Testing device for LCD liquid crystal display screen production

Abstract

The invention discloses a testing device for LCD (liquid crystal display) production, and particularly relates to the technical field of LCD production, the testing device comprises a power tester, a voltage regulating mechanism and a testing mechanism, and a supporting mechanism, a rotating mechanism and a controller are arranged above the testing mechanism. Through the synergistic effect of the testing mechanism, the conveying mechanism, the supporting mechanism, the rotating mechanism and the adsorption mechanism, automatic testing and sorting are achieved; according to the device, a sensor is adopted to trigger an automatic testing process, a rotating mechanism and an adsorption mechanism which are driven by an electric oil cylinder are combined, automatic adsorption, multi-section type rotation (90 degrees anticlockwise / 3 degrees clockwise / 6 degrees anticlockwise / vertical downward movement) and accurate positioning of the display screen are completed, traditional manual operation is replaced, and the testing efficiency is remarkably improved; according to the switching assembly, through the linkage design of a magnetic block and a metal limiting block, automatic distribution of qualified products and unqualified products is achieved in cooperation with a discharging pressing rod and a waste pressing rod, secondary sorting is avoided, and the production safety is improved.

Description

Technical Field

[0001] This invention relates to the field of liquid crystal display manufacturing technology, and in particular to a testing device for LCD production. Background Technology

[0002] Testing equipment in LCD screen production typically consists of a dedicated test bench, pin connectors, and clamping mechanisms. It is primarily used for quickly testing the basic functions of small displays. During operation, the display under test is connected to the test bench via pins, and the clamps are used to secure the position and ensure a stable electrical connection. The power is then manually switched on, and a power meter and voltage regulator are used to measure the operating voltage and current, calculate the power, and simultaneously observe whether the screen lights up normally and the display effect. This determines whether the product meets factory standards.

[0003] The inventors have discovered at least the following problems in the prior art: Most existing testing equipment for LCD screen production requires manual placement of the screen on the test fixture, and the power supply to the pins of the screen is controlled by a foot pedal. The tester then performs the test, and the qualified and unqualified screens are placed separately, which limits the efficiency of production testing.

[0004] Therefore, this solution provides a testing device for LCD screen production to solve the above problems. Summary of the Invention

[0005] The purpose of this invention is to provide a testing device for LCD screen production, so as to solve the problem that the testing efficiency is limited due to the manual placement and handling of the screen in the prior art.

[0006] To solve the above-mentioned technical problems, the basic technical solution proposed by this invention is as follows: A testing device for LCD screen production includes a power tester, a voltage regulating mechanism, and a testing mechanism. A support mechanism, a rotating mechanism, and a controller are arranged above the testing mechanism. Four adsorption mechanisms are arranged around the rotating mechanism, and conveying mechanisms are arranged on both sides of the support mechanism. The support mechanism includes a support plate and two symmetrically shaped cylinders (one and two), and a switching component installed above the support plate. Support seats and bases are respectively provided at the upper and lower ends of the support plate, and a material feeding rod and a waste material feeding rod are inserted into the support plate. The rotating mechanism includes connecting columns and a rotating plate located on the inner and outer sides of the two shaped cylinders. The adsorption mechanism includes a receiving plate and a folded airbag installed above the receiving plate, with the folded airbag located below the rotating plate. The receiving plate is slidably connected to the rotating plate.

[0007] Preferably, the first shaped cylinder is fixedly connected to the bottom of the support plate, the second shaped cylinder is fixedly connected to the top of the base, the outer periphery of the base is welded to the support plate through an L-frame, there is a guide gap between the first shaped cylinder and the second shaped cylinder, and an electric hydraulic cylinder is installed above the support base.

[0008] Preferably, the top of the connecting column is rotatably connected to the output end of the electric hydraulic cylinder, and the lower end of the connecting column is fixedly connected to four protruding rods distributed in a ring. The rotating disk has a through hole at the top and bottom, and the protruding rods pass through the guide gap and are fixedly connected to the inside of the through hole.

[0009] Preferably, four one-way suction cups are provided below the folding airbag, and exhaust port one and exhaust port two are provided above the folding airbag. Both exhaust port one and exhaust port two pass through the rotating disk, and exhaust port two cooperates with the material feeding rod and the waste material pressing rod.

[0010] Preferably, the switching assembly includes a guide seat fixedly connected above the support plate, a switching rod inserted inside the guide seat, and a magnetic block installed at one end of the switching rod.

[0011] Preferably, the switching rod is fixedly connected to a spring and an inclined block below the guide seat.

[0012] Preferably, a metal limiting block is fixedly connected above the material feeding rod, the metal limiting block cooperates with a magnetic block, and a fixedly connected spring 2 surrounds both the material feeding rod and the waste material feeding rod, the spring 2 being located below the support plate.

[0013] Preferably, a connecting rod is fixedly connected to one side of the waste material pressure rod, and a top rod is fixedly connected to the other end of the connecting rod. The top rod is inserted into the guide seat and cooperates with the inclined block.

[0014] Preferably, the testing mechanism includes a testing clamp, a docking groove is provided on the top of the testing clamp, an electrode clamp is slidably connected inside the docking groove, an electric cylinder and a connecting end are provided on one side of the testing clamp, the connecting end is connected to a power tester and a voltage regulating mechanism, the output end of the electric cylinder is connected to the electrode clamp, and a limit plate is installed on the top of the testing clamp.

[0015] Preferably, the conveying mechanism includes a conveyor belt, a drive motor is installed on one side of the conveyor belt, a baffle is provided at one end of the conveyor belt, a sensor is installed on one side of the baffle, and the sensor is connected to a controller.

[0016] The beneficial effects of this invention are: I. This invention, through the coordinated operation of a testing mechanism, a conveying mechanism, a supporting mechanism, a rotating mechanism, and an adsorption mechanism, automatically triggers the testing process through the sensor of the conveying mechanism. Combined with the rotating mechanism and adsorption mechanism driven by an electric hydraulic cylinder, it achieves automatic adsorption, rotation, and precise positioning of the display screen, replacing the traditional manual placement and retrieval operations and improving testing efficiency.

[0017] Second, this invention achieves automatic separation of qualified and unqualified products through the coordinated operation of the testing mechanism, conveying mechanism, supporting mechanism, rotating mechanism and adsorption mechanism, and the switching component through the cooperation of magnetic block and metal limiting block, combined with the linkage design of the feeding pressure bar and waste pressure bar. Qualified products are quickly released to the next process through exhaust port two, while unqualified products are guided into the waste box by the waste pressure bar, avoiding manual secondary sorting and improving production safety.

[0018] Third, this invention utilizes the coordinated design of a testing mechanism, a conveying mechanism, a supporting mechanism, a rotating mechanism, and an adsorption mechanism. The adsorption mechanism employs a combination design of a folded airbag and a one-way suction cup. By controlling the air pressure of exhaust port one and exhaust port two, it ensures stable adsorption of the display screen during conveying, rotating, and testing, while avoiding mechanical damage. The coordination between the rotating disk and the guide gap enables multi-segment rotation (90° counterclockwise / 3° clockwise / 6° counterclockwise / vertical downward movement), improving positioning accuracy. Attached Figure Description

[0019] Figure 1 This is an overall perspective view of Embodiment 1 of the present invention; Figure 2 This is a schematic diagram of the testing mechanism according to Embodiment 1 of the present invention; Figure 3 This is a schematic diagram of the conveying mechanism according to Embodiment 1 of the present invention; Figure 4 This is an embodiment of the present invention. Figure 1 A schematic diagram of the middle section; Figure 5 This is a schematic diagram of the support mechanism according to Embodiment 1 of the present invention; Figure 6 This is a schematic diagram of the switching component according to Embodiment 1 of the present invention; Figure 7 This is a schematic diagram of the rotating mechanism according to Embodiment 1 of the present invention; Figure 8 This is a schematic diagram of the adsorption mechanism according to Embodiment 1 of the present invention.

[0020] Explanation of reference numerals in the attached figures: 1. Power tester; 2. Voltage regulating mechanism; 3. Testing mechanism; 31. Testing clamp; 32. Docking groove; 33. Electrode clamp; 34. Electric cylinder; 35. Connecting end; 36. Limiting plate; 4. Conveying mechanism; 41. Conveyor belt; 42. Drive motor; 43. Baffle; 44. Sensor; 5. Controller; 6. Support mechanism; 61. Support plate; 62. Support seat; 63. Base; 64. Irregularly shaped cylinder one; 65. Irregularly shaped cylinder two; 66. Guide clearance; 67. Switching assembly; 671. Guide seat; 672. Switching rod; 673. Magnetic block; 674. Spring 1; 675. Inclined block; 68. Material feeding rod; 681. Spring 2; 682. Metal limit block; 69. Scrap material feeding rod; 691. Connecting rod; 692. Top rod; 7. Rotating mechanism; 71. Connecting column; 72. Protruding rod; 73. Rotating disk; 74. Through hole; 8. Adsorption mechanism; 81. Receiving tray; 82. Folding airbag; 83. One-way suction cup; 84. Exhaust port one; 85. Exhaust port two; 9. Electric hydraulic cylinder. Detailed Implementation

[0021] Please refer to the following. Figures 1 to 8 As shown, the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0022] It should be noted that, in embodiments of the present invention, the directions shown in the accompanying drawings shall prevail, such as front and back. Figure 1 For the sake of accuracy, the specific details should be as follows: Figure 1 The left side is the front. Figure 1 The right side is the rear; at the same time, as Figure 2 As shown, the horizontal direction is roughly defined as left and right, and the vertical direction is defined as up and down. If a specific orientation changes, the directional indication will also change accordingly.

[0023] The present invention provides a testing device for LCD liquid crystal display production, including a power tester 1, a voltage regulating mechanism 2 and a testing mechanism 3; a support mechanism 6, a rotating mechanism 7 and a controller 5 are arranged above the testing mechanism 3, four adsorption mechanisms 8 are arranged around the rotating mechanism 7, and conveying mechanisms 4 are arranged on both sides of the support mechanism 6. The support mechanism 6 includes a support plate 61 and two symmetrical irregular cylinders 64 and 65, and also includes a switching component 67 installed above the support plate 61. The upper and lower ends of the support plate 61 are respectively provided with a support seat 62 and a base 63. The support plate 61 is connected to a material feeding rod 68 and a waste material feeding rod 69. The rotating mechanism 7 includes connecting columns 71 and rotating disks 73 located on the inner and outer sides of the irregular cylinder 64 and the irregular cylinder 65; The adsorption mechanism 8 includes a receiving plate 81 and a folded airbag 82 installed above the receiving plate 81. The folded airbag 82 is located below the rotating disk 73. The receiving plate 81 is slidably connected to the rotating disk 73. The power tester 1, voltage regulating mechanism 2, testing mechanism 3, conveying mechanism 4, controller 5, and support mechanism 6 are all placed on the workbench. The power tester 1 is the range of voltage, current, and power that the tester can handle. When the light exceeds the range during testing, an alarm will sound. The voltage regulating mechanism 2 is a voltage regulator used in conjunction with the power tester 1 and can be connected to the terminal 35 via a wiring connection. The power tester 1, voltage regulating mechanism 2, and testing mechanism 3 are all existing technologies. The controller 5 is an existing PLC controller that can control the extension and retraction distance of the electric hydraulic cylinder 9 and the electric pneumatic cylinder 34, as well as the speed of the drive motor 42, to adapt to different small LCD screens. A foot pedal is connected to the bottom of the workbench, which can drive the electric hydraulic cylinder 9 and the electric pneumatic cylinder 34 through the controller 5.

[0024] In a further embodiment, the first irregular cylinder 64 is fixedly connected to the lower part of the support plate 61, and the second irregular cylinder 65 is fixedly connected to the upper part of the base 63. The outer periphery of the base 63 is welded to the support plate 61 through an L-frame. There is a guide gap 66 between the first irregular cylinder 64 and the second irregular cylinder 65. An electric hydraulic cylinder 9 is installed on the upper part of the support base 62.

[0025] In this embodiment, the guide gap 66 is considered to be an inclined N-shape on the cylindrical surface side, and the outer edge of its bend is perpendicular to the tabletop. Therefore, during the up-and-down sliding of the protrusion 72 within the guide gap 66, the upward movement will cause the rotating mechanism 7 to rotate 90 degrees counterclockwise, and the downward movement is divided into three segments. The first segment will cause the rotating mechanism 7 to rotate 3 degrees clockwise, the second segment will cause the rotating mechanism 7 to rotate 6 degrees counterclockwise, and the third segment will move vertically downward, thereby allowing the bottom of the receiving plate 81 to vertically approach the screen.

[0026] In a further embodiment, the top end of the connecting post 71 is rotatably connected to the output end of the electric cylinder 9, and the lower end of the connecting post 71 is fixedly connected to four protruding rods 72 arranged in a ring. The rotating disk 73 has an upper and lower through hole 74, and the protruding rods 72 pass through the guide gap 66 and are fixedly connected to the inside of the through hole 74.

[0027] In this embodiment, the connecting post 71 is located inside the irregular cylinder 1 64 and the irregular cylinder 2 65, and the rotating disk 73 is located outside the irregular cylinder 1 64 and the irregular cylinder 2 65.

[0028] In a further embodiment, four one-way suction cups 83 are provided below the folded airbag 82, and an exhaust port 1 84 and an exhaust port 2 85 are provided above the folded airbag 82. Both the exhaust port 1 84 and the exhaust port 2 85 penetrate the rotating disk 73, and the exhaust port 2 85 cooperates with the material feeding rod 68 and the waste material feeding rod 69.

[0029] In this embodiment, a limiting post is fixedly connected to the periphery of the receiving plate 81, and the limiting post passes through the rotating plate 73; the folding airbag 82 has an elastic element inside, so that it can automatically pop open when there is no object at the bottom of the receiving plate 81, allowing external air to enter from the one-way suction cup 83 or the second exhaust port 85; both the second exhaust port 85 and the first exhaust port 84 have one-way valve cores, so that the gas in the folding airbag 82 can only be discharged outwards, but the one-way function can be released by pressing the valve core with a pin, which is the prior art.

[0030] In a further embodiment, the switching assembly 67 includes a guide seat 671 fixedly connected above the support plate 61, a switching rod 672 inserted inside the guide seat 671, and a magnetic block 673 installed at one end of the switching rod 672.

[0031] In this embodiment, the magnetic block 673 is a strong magnet that can attract metal. When it moves close to the metal limiting block 682, it will prevent the material feeding rod 68 from moving downward, so that the bottom of the material feeding rod 68 cannot be inserted into the exhaust port 2 85.

[0032] In a further embodiment, the switching rod 672 is fixedly connected to a spring 674 and a ramp block 675 below the guide seat 671.

[0033] In this embodiment, a sliding block is provided at the spring 674 on the switching rod 672, so that the switching rod 672 can be slidably connected in the guide seat 671, while the spring 674 is fixedly connected to the sliding block; the inclined block 675 has a beveled surface on the side near the top rod 692. When the switching rod 672 moves to the right, it will be stuck by the top rod 692 and thus remain in that position. However, when the waste pressure rod 69 moves down once, it will release the top rod 692 from the restriction on the inclined block 675. With the help of the spring 674, the switching rod 672 can be reset.

[0034] In a further embodiment, a metal limiting block 682 is fixedly connected above the material feeding rod 68. The metal limiting block 682 cooperates with the magnetic block 673. The material feeding rod 68 and the waste material feeding rod 69 are both surrounded by a fixedly connected spring 681, which is located below the support plate 61.

[0035] In this embodiment, spring 681 is used to keep the material feeding rod 68 and the waste material feeding rod 69 pushing downwards.

[0036] In a further embodiment, a connecting rod 691 is fixedly connected to one side of the waste pressure rod 69, and a top rod 692 is fixedly connected to the other end of the connecting rod 691. The top rod 692 is inserted into the guide seat 671 and cooperates with the inclined block 675.

[0037] In this embodiment, the connecting rod 691 is slidably connected to the inside of the support plate 61, and there is a waste box located below the waste pressure rod 69 for collecting defective screens.

[0038] In a further embodiment, the testing mechanism 3 includes a testing clamp 31, with a docking groove 32 on the top of the testing clamp 31. An electrode clamp 33 is slidably connected inside the docking groove 32. An electric cylinder 34 and a connecting end 35 are provided on one side of the testing clamp 31. The connecting end 35 is connected to the power tester 1 and the voltage regulating mechanism 2. The output end of the electric cylinder 34 is connected to the electrode clamp 33. A limit plate 36 is installed on the top of the testing clamp 31.

[0039] In this embodiment, the connecting end 35 is connected to the electrode on the electrode clamp 33, thereby supplying power to the clamped LCD screen for testing; the electric cylinder 34 operates only after a certain period of time after the electric cylinder 9 operates, thereby preventing the electrode clamp 33 from clamping the LCD screen before the pins have entered the docking groove 32, which is the prior art.

[0040] In a further embodiment, the conveying mechanism 4 includes a conveyor belt 41, a drive motor 42 is installed on one side of the conveyor belt 41, a baffle 43 is provided at one end of the conveyor belt 41, a sensor 44 is installed on one side of the baffle 43, and the sensor 44 is connected to the controller 5.

[0041] In this embodiment, sensor 44 is a pressure sensor. When the screen moves and presses on sensor 44, the controller 5 can remind the staff to press the foot pedal.

[0042] The working principle of this invention is as follows: When testing the LCD screen, the operator simply arranges the screens neatly on one side above the conveyor belt 41 and waits for the sensor 44 to send a notification to the controller 5. The electric cylinder 9 and the electric cylinder 34 are driven sequentially by the foot pedal. Stepping on the foot pedal extends the output ends of the electric cylinder 9 and the electric cylinder 34, and when the foot pedal is not stepped on, the output ends of the electric cylinder 9 and the electric cylinder 34 retract. In addition, the operator can place the screens neatly on the conveyor belt 41. At this time, the screen will be transported by the conveyor belt 41 rotating under the operation of the drive motor 42. When one end of the screen triggers the sensor 44 on one side of the baffle 43, the electric cylinder 9 is operated by the pedal, which in turn moves the connecting column 71, the rotating disk 73 and the suction mechanism 8 downwards. The screen can then be attached to the top of the screen by the one-way suction cup 83. At this time, the gas in the folding airbag 82 will be discharged from the exhaust port 1 84 and the exhaust port 2 85. Since the one-way suction cup 83 is already attached to the screen, a negative pressure will be generated at the one-way suction cup 83 to adhere to the screen. Release the pedal. The output end of the electric cylinder 9 is retracted, but because the protrusion 72 is within the limiting range of the guide gap 66, the upward movement of the rotating disk 73 and the adsorption mechanism 8 will rotate 90 degrees counterclockwise, thereby allowing the adsorbed screen to reach the top of the test clamp 31. When another screen triggers the sensor 44 again, the pedal is stepped on again to make the screen move down so that the pin on one side of the screen is inside the docking groove 32. At this time, the operation of the electric cylinder 34 will cause the electrode clamp 33 to move to clamp the pin of the screen and supply power, thereby detecting the basic function of the screen. If the test is successful, the pedal can be released. At this time, the rotating disk 73, along with the suction mechanism 8 and the screen, will move up again and rotate 90 degrees counterclockwise. The port of the exhaust port 2 85 will be passively inserted into the bottom of the unloading pressure rod 68, thereby opening the one-way valve in the exhaust port 2 85. This allows the external airflow to enter the folding airbag 82 through the exhaust port 2 85. At this time, the one-way suction cup 83 also loses negative pressure, thereby releasing the screen that has passed the test and being transported to the next processing stage by another conveyor belt 41. If the test fails, the power tester 1 will issue an alarm. The operator can then directly press the switching rod 672, causing the magnetic block 673 to conduct electricity to the top of the feeding rod 68. This causes the magnetic block 673 to attract the metal limit block 682, preventing the feeding rod 68 from moving downwards. At this time, the exhaust port 85 cannot allow outside air to enter by pushing the valve core in the reverse direction. Therefore, it is necessary to wait for the electric cylinder 9 to operate once more. When the exhaust port 85 rotates and moves below the waste rod 69, it will allow the waste rod 69 to descend. The valve core inside the exhaust port 2 85 is pressed open, causing the defective screen to fall into the waste box. Since the unloading pressure rod 68 and the waste pressure rod 69 move up and down once each time they are inserted into the exhaust port 2 85 in order to pass the port of the exhaust port 2 85, when the waste pressure rod 69 is inserted into the exhaust port 2 85, the connecting rod 691 will prevent the push rod 692 from being stuck on one side of the inclined block 675. This allows the switching rod 672 to be reset by the rebound of the spring 1 674, which facilitates the next switching.

[0043] Based on the disclosure and teachings of the foregoing specification, those skilled in the art can make changes and modifications to the above embodiments. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should also fall within the protection scope of the claims of the present invention. Furthermore, although some specific terms are used in this specification, these terms are only for convenience of explanation and do not constitute any limitation on the present invention.

Claims

1. A testing device for LCD liquid crystal display production, comprising a power tester (1), a voltage regulating mechanism (2), and a testing mechanism (3), characterized in that, The test mechanism (3) is provided with a support mechanism (6), a rotating mechanism (7) and a controller (5) above it. The rotating mechanism (7) is provided with four adsorption mechanisms (8) around it, and the support mechanism (6) is provided with conveying mechanisms (4) on both sides. The support mechanism (6) includes a support plate (61) and two symmetrical irregular cylinders (64 and 65) at the top and bottom, and also includes a switching component (67) installed above the support plate (61). The upper and lower ends of the support plate (61) are respectively provided with a support seat (62) and a base (63). The support plate (61) is connected to a feeding pressure rod (68) and a waste pressure rod (69). The rotating mechanism (7) includes connecting columns (71) and rotating disks (73) located on the inner and outer sides of the first shaped cylinder (64) and the second shaped cylinder (65). The adsorption mechanism (8) includes a receiving plate (81) and a folded airbag (82) installed above the receiving plate (81). The folded airbag (82) is located below the rotating disk (73), and the receiving plate (81) is slidably connected to the rotating disk (73).

2. The testing device for LCD liquid crystal display production according to claim 1, characterized in that: The first irregular cylinder (64) is fixedly connected to the bottom of the support plate (61), and the second irregular cylinder (65) is fixedly connected to the top of the base (63). The outer periphery of the base (63) is welded to the support plate (61) through an L-frame. There is a guide gap (66) between the first irregular cylinder (64) and the second irregular cylinder (65). An electric hydraulic cylinder (9) is installed above the support seat (62).

3. The testing device for LCD liquid crystal display production according to claim 1, characterized in that: The top of the connecting column (71) is rotatably connected to the output end of the electric cylinder (9), and the lower end of the connecting column (71) is fixedly connected to four protruding rods (72) arranged in a ring. The rotating disk (73) has an upper and lower through hole (74), and the protruding rods (72) pass through the guide gap (66) and are fixedly connected to the inside of the through hole (74).

4. The testing device for LCD liquid crystal display production according to claim 1, characterized in that: Four one-way suction cups (83) are provided below the folded airbag (82), and an exhaust port one (84) and an exhaust port two (85) are provided above the folded airbag (82). Both the exhaust port one (84) and the exhaust port two (85) pass through the rotating disk (73). The exhaust port two (85) cooperates with the material feeding rod (68) and the waste material feeding rod (69).

5. The testing device for LCD liquid crystal display production according to claim 1, characterized in that: The switching assembly (67) includes a guide seat (671) fixedly connected above the support plate (61), a switching rod (672) is inserted inside the guide seat (671), and a magnetic block (673) is installed at one end of the switching rod (672).

6. The testing device for LCD liquid crystal display production according to claim 5, characterized in that: The switching rod (672) is fixedly connected to a spring (674) and a ramp block (675) below the guide seat (671).

7. The testing device for LCD liquid crystal display production according to claim 1, characterized in that: A metal limiting block (682) is fixedly connected above the material feeding rod (68). The metal limiting block (682) cooperates with the magnetic block (673). The material feeding rod (68) and the waste material feeding rod (69) are both surrounded by a fixedly connected spring 2 (681). The spring 2 (681) is located below the support plate (61).

8. The testing device for LCD liquid crystal display production according to claim 1, characterized in that: One side of the waste pressure bar (69) is fixedly connected to a connecting rod (691), and the other end of the connecting rod (691) is fixedly connected to a top rod (692). The top rod (692) is inserted into the guide seat (671) and cooperates with the inclined block (675).

9. A testing device for LCD liquid crystal display production according to claim 1, characterized in that: The testing mechanism (3) includes a testing platform (31), a docking groove (32) is provided on the top of the testing platform (31), an electrode clamp (33) is slidably connected inside the docking groove (32), an electric cylinder (34) and a connecting end (35) are provided on one side of the testing platform (31), the connecting end (35) is connected to the power tester (1) and the voltage regulating mechanism (2), the output end of the electric cylinder (34) is connected to the electrode clamp (33), and a limit plate (36) is installed on the top of the testing platform (31).

10. A testing device for LCD liquid crystal display production according to claim 1, characterized in that: The conveying mechanism (4) includes a conveyor belt (41), a drive motor (42) is installed on one side of the conveyor belt (41), a baffle (43) is provided at one end of the conveyor belt (41), a sensor (44) is installed on one side of the baffle (43), and the sensor (44) is connected to the controller (5).

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