A kind of turnover device for liquid crystal screen detection

Abstract

The utility model relates to liquid crystal screen detection technical field discloses a kind of turnover device for liquid crystal screen detection, including support frame, the support frame is equipped with inverted four-prism table, further include: first electric telescopic link and placement plate;The bottom end of first electric telescopic link is hinged in four-prism table inner bottom, placement plate is hinged in the telescopic end of first electric telescopic link, the periphery of placement plate is evenly hinged and is equipped with connecting column, the periphery of placement plate is evenly equipped with the pressing structure of cooperation connecting column use;Vacuum suction assembly;Vacuum suction assembly is placed in placement plate, can be carried out vacuum suction fixation to the liquid crystal screen placed in the top end of placement plate.The utility model compared with prior art's advantage is in at:provide a kind of turnover device for liquid crystal screen detection, not only can liquid crystal screen adopt vacuum suction mode, avoid the screen damage caused by clamping, and can be randomly flipped in four directions at arbitrary angle, provide great convenience for operator detection.

Description

Technical Field

[0001] This utility model relates to the field of LCD screen testing technology, specifically to a flipping device for LCD screen testing. Background Technology

[0002] To ensure that LCD screens meet design standards, quality requirements, and usage scenario needs, a comprehensive evaluation and verification of various performance indicators, display effects, and physical structure of the LCD screen is often required during the manufacturing process. Through a systematic testing process, manufacturers can reduce after-sales maintenance costs and enhance brand reputation.

[0003] Existing LCD screen testing equipment mostly uses a fixed testing platform. During testing, the angle of the LCD screen needs to be manually adjusted to complete multi-sided testing. The manual flipping operation is time-consuming and the testing efficiency is low. Moreover, LCD screens are mostly fixed by a structure that clamps them on both sides. Due to the easily damaged nature of LCD screens, it is easy to cause the edges of the LCD screen to be bumped or the screen to be scratched. Utility Model Content

[0004] I. Technical problems to be solved

[0005] The technical problem to be solved by this utility model is to overcome the above-mentioned technical difficulties and provide a flipping device for LCD screen inspection. It can not only use vacuum adsorption to avoid screen damage caused by clamping, but also can be flipped at any angle in four directions, providing great convenience for operators to inspect.

[0006] II. Technical Solution

[0007] To solve the above-mentioned technical problems, the technical solution provided by this utility model is as follows: a flipping device for detecting LCD screens, including a support frame, wherein an inverted quadrangular frustum is provided inside the support frame, and further comprising:

[0008] The first electric telescopic rod and the placement plate; the bottom end of the first electric telescopic rod is hinged to the bottom of the quadrangular truncated pyramid, the placement plate is hinged to the telescopic end of the first electric telescopic rod, and the placement plate is hinged with connecting columns on all four sides, and the placement plate is provided with a clamping structure for use with the connecting columns on all four sides.

[0009] Vacuum adsorption assembly; The vacuum adsorption assembly is installed inside the placement plate and can vacuum adsorb and fix the LCD screen placed on top of the placement plate.

[0010] As an improvement, the clamping structure includes an L-shaped plate, a second electric telescopic rod, and a pressure plate; the placement plate is provided with pairs of connecting plates around its perimeter, and four connecting columns are rotatably connected between the pairs of connecting plates. The four L-shaped plates are respectively arranged around the support frame, the four second electric telescopic rods are respectively arranged on the L-shaped plates, and the four pressure plates are respectively arranged at the telescopic ends of the second electric telescopic rods and are used to press down the corresponding connecting columns.

[0011] As an improvement, the top of the support frame is provided with arc-shaped blocks around the perimeter to cooperate with the connecting column. The connecting column is placed inside the arc-shaped blocks and is pressed tightly by the pressure plate.

[0012] As an improvement, the vacuum adsorption assembly includes vent holes and a vacuum pump; the placement plate has a hollow structure inside, with a large number of vent holes located at the top of the placement plate and communicating with the interior of the placement plate; the vacuum pump is located on one side of the support frame, and the vacuum pump and the placement plate are connected by a flexible hose.

[0013] As an improvement, a rubber pad is glued to the top of the placement plate, and the rubber pad has a large number of through holes that correspond one-to-one with the ventilation holes. A rubber ring is provided around the top of the placement plate.

[0014] III. Beneficial Effects

[0015] The advantages of this utility model compared with the prior art are as follows:

[0016] 1. The system consists of a first electric telescopic rod, a placement plate, a connecting plate, a connecting column, an arc-shaped block, an L-shaped plate, a second electric telescopic rod, and a pressure plate. When the connecting columns in three directions are pressed down, the LCD screen can be flipped to the other side as the electric telescopic rod extends. This allows for arbitrary flipping in four directions at any angle, greatly facilitating the operator's testing.

[0017] 2. By using a vacuum pump, hose, vent, rubber pad, through hole, and rubber ring, the LCD screen can be directly vacuum-adsorbed onto the placement plate without clamping, effectively avoiding screen damage caused by clamping. Attached Figure Description

[0018] Figure 1 This is a three-dimensional schematic diagram of a flipping device for detecting an LCD screen according to this utility model. Figure 1 .

[0019] Figure 2 This is a three-dimensional schematic diagram of a flipping device for detecting an LCD screen according to this utility model. Figure 2 .

[0020] Figure 3 This is a cross-sectional structural schematic diagram of a flip device for detecting LCD screens according to this utility model.

[0021] Figure 4 This utility model relates to a flipping device for detecting LCD screens. Figure 3 Enlarged detail of part A.

[0022] Figure 5 This utility model relates to a flipping device for detecting LCD screens. Figure 3 Enlarged detail of Part B.

[0023] As shown in the figure: 1. Support frame; 2. Quadrangular truncated pyramid; 3. First electric telescopic rod; 4. Placement plate; 5. Rubber ring; 6. Connecting plate; 7. Connecting column; 8. Arc-shaped block; 9. L-shaped plate; 10. Second electric telescopic rod; 11. Pressure plate; 12. Vent hole; 13. Vacuum pump; 14. Hoses; 15. Rubber pad; 16. Through hole. Detailed Implementation

[0024] In the description of this utility model, it should be understood that the terms "center," "lateral," "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. 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 indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more. Additionally, the term "comprising" and any variations thereof are intended to cover non-exclusive inclusion.

[0025] The present invention will now be described in further detail with reference to the accompanying drawings.

[0026] To enable the LCD screen to rotate in any direction, combined with the attached... Figure 1 Appendix Figure 3 and attached Figure 4A flipping device for detecting LCD screens includes a support frame 1, within which an inverted quadrangular truncated pyramid 2 is provided. It also includes a first electric telescopic rod 3 and a placement plate 4. The bottom end of the first electric telescopic rod 3 is hinged to the bottom of the quadrangular truncated pyramid 2. The placement plate 4 is hinged to the telescopic end of the first electric telescopic rod 3. Connecting posts 7 are hinged to all four sides of the placement plate 4. A clamping structure for use with the connecting posts 7 is provided on all four sides of the placement plate 4. The clamping structure includes an L-shaped plate 9, a second electric telescopic rod 10, and a pressure plate 11. Pairs of connecting plates 6 are provided on all four sides of the placement plate 4. Four connecting posts 7 are rotatably connected between the pairs of connecting plates 6. Four L-shaped plates 9 are respectively disposed around the support frame 1. Four second electric telescopic rods 10 are respectively disposed on the L-shaped plates 9. Four pressure plates 11 are respectively disposed on the telescopic ends of the second electric telescopic rods 10 and are used to press down the corresponding connecting posts 7. The top of the support frame 1 is provided with arc-shaped blocks 8 around its perimeter to cooperate with the connecting columns 7. The connecting columns 7 are placed inside the arc-shaped blocks 8 and are pressed together by pressure plates 11. As the second electric telescopic rod 10 extends, the connecting columns 7 on all four sides can be pressed together by multiple pressure plates 11. When it is necessary to flip in the target direction, the second electric telescopic rods 10 in the other three directions retract, causing the pressure plates 11 to move away from the connecting columns 7. As the first electric telescopic rod 3 extends, since the placement plate 4 and the connecting columns 7 are rotatably connected, the placement plate 4 is thus flipped in the target direction, realizing arbitrary flipping in four directions at any angle, which greatly facilitates the operator's inspection.

[0027] To facilitate vacuum adsorption of the LCD screen, combined with the attached... Figure 2 Appendix Figure 3 and attached Figure 5 A vacuum adsorption component is installed inside the placement plate 4 to vacuum-adsorb and fix the LCD screen placed on top of the placement plate 4. The vacuum adsorption component includes vent holes 12 and a vacuum pump 13. The placement plate 4 has a hollow structure inside, with a large number of vent holes 12 located at the top of the placement plate 4 and communicating with the interior of the placement plate 4. The vacuum pump 13 is located on one side of the support frame 1, and the vacuum pump 13 is connected to the placement plate 4 by a flexible hose 14. A rubber pad 15 is glued to the top of the placement plate 4, and the rubber pad 15 has a large number of through holes 16 that correspond one-to-one with the vent holes 12. A rubber ring 5 is provided around the top of the placement plate 4. Place the LCD screen directly on the top of the placement plate 4, start the vacuum pump 13, and use the hose 14 to perform a vacuum operation on the placement plate 4, so that the air pressure inside the placement plate 4 is lower than the external atmospheric pressure, allowing the LCD screen to be directly adsorbed on the top of the placement plate 4. With the assistance of the surrounding rubber rings 5 ​​and rubber pads 15, the LCD screen can also be cushioned, eliminating the need for clamping and effectively avoiding screen damage caused by clamping.

[0028] In specific implementation of this utility model:

[0029] First, place the LCD screen directly on the placement plate 4, then start the vacuum pump 13. Vacuuming is then performed on the placement plate 4 via the hose 14, causing the internal air pressure to be lower than the external atmospheric pressure. This allows the LCD screen to adhere directly to the top of the placement plate 4 without clamping, effectively preventing screen damage caused by clamping.

[0030] Moreover, with the assistance of four second electric telescopic rods 10 and pressure plates 11, the connecting posts 7 at the four corners can be directly pressed. When it is necessary to flip in the target direction, the second electric telescopic rods 10 in the other three directions retract, causing the pressure plates 11 to move away from the connecting posts 7. As the first electric telescopic rod 3 continues to extend, since the placement plate 4 and the connecting posts 7 are rotatably connected, the placement plate 4 is thus driven to flip in the target direction, realizing arbitrary flipping in four directions at any angle, providing great convenience for operators to conduct inspections.

[0031] Meanwhile, with the assistance of the rubber rings 5 ​​and rubber pads 15 around the placement plate 4, the LCD screen can also be buffered, further protecting the LCD screen.

[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

[0033] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A flipping device for detecting a liquid crystal screen, comprising a support frame (1), wherein an inverted truncated quadrangular pyramid (2) is provided inside the support frame (1), characterized in that, Also includes: The first electric telescopic rod (3) and the placement plate (4); the bottom end of the first electric telescopic rod (3) is hinged to the bottom of the quadrangular frustum (2), and the placement plate (4) is hinged to the telescopic end of the first electric telescopic rod (3). The placement plate (4) is hinged with connecting columns (7) on all four sides, and the placement plate (4) is provided with a clamping structure for use with the connecting columns (7) on all four sides. Vacuum adsorption assembly; The vacuum adsorption assembly is set inside the placement plate (4) and can vacuum adsorb and fix the LCD screen placed on the top of the placement plate (4).

2. The flipping device for detecting a liquid crystal screen according to claim 1, characterized in that: The pressing structure includes an L-shaped plate (9), a second electric telescopic rod (10), and a pressure plate (11); the placement plate (4) is provided with pairs of connecting plates (6) around its perimeter, and four connecting columns (7) are rotatably connected between the pairs of connecting plates (6). The four L-shaped plates (9) are respectively arranged around the support frame (1), the four second electric telescopic rods (10) are respectively arranged on the L-shaped plate (9), and the four pressure plates (11) are respectively arranged at the telescopic ends of the second electric telescopic rods (10) and are used to press down the corresponding connecting columns (7).

3. The flipping device for detecting a liquid crystal screen according to claim 2, characterized in that: The top of the support frame (1) is provided with arc-shaped blocks (8) around the perimeter to cooperate with the connecting column (7). The connecting column (7) is placed inside the arc-shaped blocks (8) and is pressed by the pressure plate (11).

4. The flipping device for detecting a liquid crystal screen according to claim 1, characterized in that: The vacuum adsorption assembly includes vent holes (12) and a vacuum pump (13); the placement plate (4) has a hollow structure inside, and a large number of vent holes (12) are set at the top of the placement plate (4) and communicate with the interior of the placement plate (4). The vacuum pump (13) is set on one side of the support frame (1), and the vacuum pump (13) and the placement plate (4) are connected by a hose (14).

5. The flipping device for detecting a liquid crystal screen according to claim 4, characterized in that: The top of the placement plate (4) is glued with a rubber pad (15), the rubber pad (15) has a large number of through holes (16) that correspond one-to-one with the vent holes (12), and the top of the placement plate (4) is surrounded by rubber rings (5).

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