Operating table for detecting comprehensive performance of liquid crystal screen

Abstract

The utility model discloses an operating platform for detecting the comprehensive performance of a liquid crystal screen, which comprises an operating platform body, a fixing plate is arranged on the upper end face of the operating platform body, fixing frames are respectively arranged in front of and behind the fixing plate, servo motors are arranged in the fixing frames, one end of an output shaft of each servo motor is connected with a two-way screw rod through a coupler, and the other end of the output shaft of each servo motor is connected with a screw rod. And the other end of the two-way screw rod is also inserted into the fixing frame. According to the operation table for detecting the comprehensive performance of the liquid crystal screen, the rotating disc and the fixing plate form a rotating structure through the output shaft, the connecting rod, the supporting block and the fixing plate under the action of the motor, so that the rotating disc is driven by the motor to rotate, and the stability of the rotating disc in the rotating process is improved through the sliding supporting block; according to the device, the second sliding block and the supporting frame form a sliding structure, the supporting frame and the fixing plate form a sliding structure in the sliding groove through the first sliding block, and therefore the graduated scale can be rapidly attached to the outer wall of the liquid crystal screen through the two sets of sliding blocks to conduct size detection on the liquid crystal screen.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid crystal screen detection, in particular to an operating table used for comprehensive performance detection of liquid crystal screens. Background Art

[0002] Liquid crystal display, or "LCD" for short, is a flat panel display device that uses the optical properties of liquid crystal materials to change under the action of an electric field to display images. It was introduced in the late 1970s and is widely used in the display field of electronic equipment such as computers, televisions, and oscilloscopes. In the production process of LCD screens, in order to ensure the quality of LCD screens and the subsequent use effect, various tests are performed on the LCD screens through testing devices.

[0003] During the detection process of the LCD screen, one end of the scale needs to be manually aligned with the edge of the LCD screen, so that the size of the LCD screen can be detected by the scale. However, during the detection process of the existing LCD screen, only manually picking up and operating the scale can easily reduce the detection efficiency of the LCD screen and reduce the accuracy of the detection data of the device. Therefore, an operating table for comprehensive performance detection of LCD screens is proposed to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide an operating table for comprehensive performance testing of liquid crystal screens, so as to solve the problem in the above-mentioned background technology that during the testing process of the existing liquid crystal screens, only manual picking up and operation of the scale can easily reduce the testing efficiency of the liquid crystal screen and reduce the accuracy of the detection data of the device.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an operating table for comprehensive performance testing of liquid crystal screens, comprising an operating table, wherein a fixing plate is provided on the upper end surface of the operating table, and fixing frames are respectively provided in front and rear of the fixing plate, a servo motor is provided in the fixing frame, and one end of the output shaft of the servo motor is connected to a bidirectional screw through a coupling, and the other end of the bidirectional screw is also inserted in the fixing frame, a sliding rod is correspondingly provided on one side of the bidirectional screw, and movable blocks are respectively inserted at both ends of the bidirectional screw and the sliding rod, a concave connecting plate is provided on the upper side of the movable block, and a limiting plate is provided on the other end of the concave connecting plate, a motor is provided in the fixing plate above the bidirectional screw, and an output shaft is provided above the motor, a turntable is provided at the upper end of the output shaft, and a liquid crystal screen is placed on the turntable, a plurality of groups of support blocks are respectively provided on the lower end surface of the turntable, and the lower ends of the support blocks are inserted in the fixing plate;

[0006] The left side of the fixed plate is provided with two sets of slide grooves on the operating table, and the slide grooves are respectively inserted with first sliders, and the upper ends of the first sliders are provided with support frames, and the upper end surfaces of the support frames are respectively inserted with two sets of second sliders;

[0007] A locking block is inserted in the second slider, and a locking rod is inserted in another group of second sliders. The locking blocks and the locking rods are respectively provided with elastic limit blocks on the outer walls on both sides, and the outer walls of the second sliders are correspondingly provided with limit holes. The elastic limit blocks are inserted in the limit holes, and the upper ends of the locking blocks and the locking rods are provided with scales.

[0008] Preferably, the concave connecting plate forms a bidirectional limited sliding structure with the liquid crystal screen through a bidirectional screw, a sliding rod, a movable block under the action of a servo motor.

[0009] Preferably, the turntable forms a rotating structure through an output shaft, a connecting rod, a support block and a fixed plate under the action of a motor.

[0010] Preferably, the second sliding block and the support frame form a sliding structure, and the support frame forms a sliding structure with the fixed plate in the sliding groove through the first sliding block.

[0011] Preferably, the scale is inserted into the limiting hole through the locking block, the locking rod, and the elastic limiting block to form an elastic locking limiting structure with the second sliding block.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: the turntable of the operating table for comprehensive performance detection of LCD screens forms a rotating structure through the output shaft, the connecting rod, the support block and the fixed plate under the action of the motor, so that the turntable is driven to rotate by the motor, and the stability of the turntable during rotation is increased by the sliding support block. The second slider of the device forms a sliding structure with the support frame, and the support frame forms a sliding structure with the fixed plate in the slide groove through the first slider, so that the scale can be quickly attached to the outer wall of the LCD screen to detect its size through the two groups of sliders. The scale of the device is inserted into the limiting hole through the clamping block, the clamping rod, and the elastic limiting block to form an elastic clamping limiting structure with the second slider, thereby ensuring that the scale can measure the four sides and diagonals of the LCD screen, thereby ensuring the practicality of the LCD screen detection device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the structure of an operating table for comprehensive performance testing of liquid crystal screens according to the utility model;

[0014] Figure 2 This is a schematic diagram of a top view of the structure of an operating table for comprehensive performance testing of liquid crystal screens according to the utility model;

[0015] Figure 3 This is a side structural schematic diagram of an operating table limit plate assembly for comprehensive performance testing of a liquid crystal screen according to the utility model;

[0016] Figure 4The utility model is a side structural schematic diagram of an operating table scale sliding assembly for comprehensive performance testing of a liquid crystal screen.

[0017] In the figure: 1. operating table, 2. fixed plate, 3. servo motor, 4. bidirectional screw, 5. sliding rod, 6. movable block, 7. concave connecting plate, 8. limit plate, 9. motor, 10. connecting rod, 11. supporting block, 12. turntable, 13. LCD screen, 14. slide groove, 15. first sliding block, 16. supporting frame, 17. second sliding block, 18. locking block, 19. locking rod, 20. elastic limit block, 21. ruler. DETAILED DESCRIPTION

[0018] 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.

[0019] See also Figure 1-4 The utility model provides a technical solution: an operating table for comprehensive performance testing of liquid crystal screens, comprising an operating table 1, a fixing plate 2 is provided on the upper end surface of the operating table 1, and fixing frames are respectively provided in front and rear of the fixing plate 2, a servo motor 3 is provided in the fixing frame, and one end of the output shaft of the servo motor 3 is connected to a bidirectional screw 4 through a coupling, and the other end of the bidirectional screw 4 is also inserted in the fixing frame, a sliding rod 5 is correspondingly provided on one side of the bidirectional screw 4, and movable blocks 6 are respectively inserted at both ends of the bidirectional screw 4 and the sliding rod 5, a concave connecting plate 7 is provided on the upper side of the movable block 6, and a limit plate 8 is provided at the other end of the concave connecting plate 7.

[0020] Furthermore, under the action of the servo motor 3, the concave connecting plate 7 forms a bidirectional limiting sliding structure with the LCD screen 13 through the bidirectional screw 4, the slide rod 5, the movable block 6, so that the LCD screens 13 of different sizes are squeezed and limited by the bidirectional sliding limiting plate 8.

[0021] A motor 9 is provided above the bidirectional screw 4 in the fixed plate 2, and an output shaft is provided above the motor 9, a turntable 12 is provided at the upper end of the output shaft, and a liquid crystal screen 13 is placed on the turntable 12, and a plurality of groups of support blocks 11 are respectively provided on the lower end surface of the turntable 12, and the lower ends of the support blocks 11 are inserted into the fixed plate 2.

[0022] Furthermore, under the action of the motor 9, the turntable 12 forms a rotating structure through the output shaft, the connecting rod 10, the support block 11 and the fixed plate 2, thereby driving the LCD screen 13 to rotate through the motor 9, thereby facilitating the device to perform multi-directional detection of the LCD screen 13.

[0023] Two groups of slide grooves 14 are respectively opened on the left side of the fixed plate 2 on the operating table 1, and the first sliders 15 are respectively inserted in the slide grooves 14, and a support frame 16 is provided at the upper end of the first slider 15, and two groups of second sliders 17 are respectively inserted on the upper end surface of the support frame 16.

[0024] Furthermore, the second slider 17 and the support frame 16 form a sliding structure, and the support frame 16 forms a sliding structure with the fixed plate 2 in the slide groove 14 through the first slider 15, so that the two sets of sliders ensure that the scale 21 can be quickly moved to the edge of the LCD screen 13, so that the length of the four sides of the LCD screen 13 can be measured by the scale 21.

[0025] A snap-fit ​​block 18 is inserted into the second slider 17, and a snap-fit ​​rod 19 is inserted into another set of second sliders 17. The snap-fit ​​blocks 18 and the snap-fit ​​rod 19 are respectively provided with elastic limit blocks 20 on the outer walls on both sides, and the outer walls of the second sliders 17 are correspondingly provided with limit holes, and the elastic limit blocks 20 are inserted into the limit holes. A scale 21 is provided on the upper ends of the snap-fit ​​blocks 18 and the snap-fit ​​rod 19.

[0026] Furthermore, the scale 21 is inserted into the limiting hole through the snap block 18, the snap rod 19, and the elastic limiting block 20 to form an elastic snap limiting structure with the second slider 17, thereby ensuring that the device can perform four-side detection on the LCD screen 13 while also measuring the diagonal of the LCD screen 13 through the scale 21, thereby ensuring the practicality of the device.

[0027] Working principle: When using the operating table for comprehensive performance testing of LCD screens, first place the LCD screen 13 to be tested on the turntable 12, then start the servo motor 3, the output shaft of the servo motor 3 drives the bidirectional screw 4 to rotate through the coupling, and drives the two sets of limit plates 8 to perform bidirectional limit sliding through the slide bar 5 and the movable block 6, so that the LCD screens 13 of different sizes can be squeezed and limited by the limit plates 8; when the limit plates 8 are attached to the outer wall of the LCD screen 13, the scale 21 can be slid to the position of the LCD screen 13 through the first slider 15, and at the same time, one end of the scale is attached to the corner of the LCD screen 13 through the second slider 17, so as to ensure that the scale 21 can quickly fit the edge of the LCD screen 13 to detect its size; If it is necessary to inspect other surfaces of the LCD screen 13, the scale 21 and the limit plate 8 are moved outward, so that the turntable 12 is driven to rotate by the motor 9, so that the LCD screen 13 is driven to rotate by the turntable 12, thereby facilitating multi-directional inspection of the LCD screen 13; if it is necessary to measure the corners of the LCD screen 13, the elastic limit block 20 on the snap block 18 and the snap rod 19 can be pressed, and the scale 21 can be moved upward at the same time, so that the snap block 18 is disengaged from the second slider 17, and the scale 21 is rotated by the snap rod 19 in the second slider 17, so that the corners of the LCD screen 13 can be measured by the scale 21, thereby ensuring the practicability of the device. This is the use process of the operating table for comprehensive performance inspection of LCD screens.

[0028] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An operating table for comprehensive performance testing of a liquid crystal screen, comprising an operating table (1), wherein the operating table (1) is provided with a fixing plate (2) on the upper end surface, and fixing frames are respectively provided in front and rear of the fixing plate (2), a servo motor (3) is provided in the fixing frame, and one end of the output shaft of the servo motor (3) is connected to a bidirectional screw (4) through a coupling, and the other end of the bidirectional screw (4) is also inserted in the fixing frame, the bidirectional screw (4) is correspondingly provided with a sliding rod (5) on one side, and the bidirectional screw (4) and the sliding rod (5) are respectively inserted with movable blocks (6) at both ends, the movable block (6) is provided with a concave connecting plate (7) on the upper side, and a limit plate (8) is provided at the other end of the concave connecting plate (7), characterized in that: A motor (9) is provided in the fixing plate (2) above the bidirectional screw (4), and an output shaft is provided above the motor (9); a rotating disk (12) is provided at the upper end of the output shaft, and a liquid crystal screen (13) is placed on the rotating disk (12); a plurality of groups of supporting blocks (11) are provided on the lower end surface of the rotating disk (12), and the lower ends of the supporting blocks (11) are inserted into the fixing plate (2); The left side of the fixed plate (2) is provided with two groups of slide grooves (14) on the operating table (1), and the slide grooves (14) are respectively inserted with first sliding blocks (15), the upper ends of the first sliding blocks (15) are provided with support frames (16), and the upper end surfaces of the support frames (16) are respectively inserted with two groups of second sliding blocks (17); A snap-fit ​​block (18) is inserted into the second slider (17), and a snap-fit ​​rod (19) is inserted into another set of second sliders (17). The snap-fit ​​blocks (18) and the snap-fit ​​rod (19) are respectively provided with elastic limit blocks (20) on the outer walls on both sides, and the outer walls of the second sliders (17) are provided with corresponding limit holes, the elastic limit blocks (20) are inserted into the limit holes, and the upper ends of the snap-fit ​​blocks (18) and the snap-fit ​​rods (19) are provided with scales (21).

2. The operating table for comprehensive performance testing of liquid crystal screens according to claim 1, characterized in that: Under the action of the servo motor (3), the concave connecting plate (7) forms a bidirectional limited sliding structure with the liquid crystal screen (13) through the bidirectional screw rod (4), the slide rod (5), the movable block (6).

3. The operating table for comprehensive performance testing of liquid crystal screens according to claim 1, characterized in that: The rotating disk (12) forms a rotating structure through an output shaft, a connecting rod (10), a supporting block (11) and a fixing plate (2) under the action of the motor (9).

4. The operating table for comprehensive performance testing of liquid crystal screens according to claim 1, characterized in that: The second sliding block (17) and the support frame (16) form a sliding structure, and the support frame (16) forms a sliding structure with the fixed plate (2) in the sliding groove (14) through the first sliding block (15).

5. The operating table for comprehensive performance testing of liquid crystal screens according to claim 1, characterized in that: The scale (21) is inserted into the limiting hole through the locking block (18), the locking rod (19) and the elastic limiting block (20) to form an elastic locking limiting structure with the second sliding block (17).

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