Inspection device for LED screen production

By designing a flipping and clamping mechanism, the problem of existing LED screen inspection devices being unable to adjust thickness and only capable of single-sided inspection has been solved. This enables flexible flipping and fixing of LED screens, improving the accuracy and efficiency of inspection.

CN223581336UActive Publication Date: 2025-11-21BEIJING ZHAOCHI OPTOELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202520017357.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-06
Publication Date
2025-11-21
Estimated Expiration
2035-01-06

AI Technical Summary

Technical Problem

Existing LED screen inspection devices cannot be adjusted according to the screen thickness and can only be inspected on one side, resulting in inaccurate inspection and the need for re-fixing, which increases the risk of errors.

Method used

An inspection device including a flipping mechanism and a clamping mechanism was designed. The flipping mechanism enables the LED screen to be flipped, and the clamping mechanism fixes the screens of different thicknesses to ensure the accuracy of the inspection.

Benefits of technology

It enables flexible flipping and fixing of LED screens, improving the accuracy and efficiency of detection and reducing the risk of detection errors.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an inspection device for LED screen production, which relates to the technical field of LED screens, and comprises a third transmission shaft, a fourth transmission shaft and a third transmission plate, an overturning mechanism is arranged, an overturning cylinder is started, an overturning rod in sliding connection with the overturning cylinder is driven to slide towards the inside of the overturning cylinder, and the third transmission plate is driven to rotate. According to the LED screen overturning device, by arranging the overturning rod, the overturning rack fixedly connected with the overturning rod slides in the overturning groove, so that the overturning gear meshed with the overturning rack is driven to rotate, the clamping frame fixedly connected with the overturning shaft is made to rotate, and the LED screen is overturned; the LED screens with different thicknesses are clamped and fixed, the use flexibility of the inspection device is improved by arranging the turnover mechanism and the clamping mechanism, and the LED screens are detected more accurately.
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Description

TECHNICAL FIELD

[0001] The utility model relates to LED screen technical field especially relates to a kind of testing device for LED screen production. BACKGROUND

[0002] LED screen is a kind of new imaging electronic equipment made by light-emitting diode in order arrangement.Because of its high brightness,wide viewing angle,long service life and other characteristics,It is being widely used in outdoor advertising screen and other products.LED light source is used for lighting,firstly replace the electric incandescent lamp,then gradually march to the whole lighting market,will save a lot of electric energy.In recent period,white LED has reached single power consumption more than 1 watt,light output 25 lumens,also increased its practicability.LED screen detection system is applied to the lighting of various liquid crystal screens,appearance detection,for the defects such as bright spot,light leakage,white spot,foreign matter,spot, MURA,black spot,color unevenness,scratch,bubble,wrinkle and so on in the production process of liquid crystal screen carries out automatic optical detection,after the completion of LED screen production,each product usually needs to pass through strict detection measure,has reached the purpose of not affecting sales.

[0003] According to the search announcement No. "CN218895922U" discloses a kind of testing device for LED screen production, including base, the base top fixedly connected with body, the body right side bottom fixedly connected with detector, the base top surface fixedly connected with support table, the support table front surface is connected with fixed screw thread, the support table top outer surface is slidably connected with sliding block.This testing device for LED screen production, by setting up connecting bolt in base rotation connection of pressure rod, make the pressure rod movable, L-shaped push rod is connected with pressure rod by connecting fixed bolt, press the pressure rod can make L-shaped push rod move, to make sliding block move on support table, setting up rotation screw rotation screw drive connecting rod make conical wheel one rotation, drive conical wheel two rotation make the rotation connection shaft connected at its top drive fixed detection table rotation, so that a kind of testing device for LED screen production detects screen more convenient when using.

[0004] Although this patent can move detection to LED screen, but need to be fixed operation to LED screen when detecting LED screen, to ensure detection accuracy, but the thickness of LED screen in different use scenarios is different, but the patent cannot be adjusted according to the thickness of LED screen, and when detecting LED screen, LED screen needs to be detected on both sides, but the patent can only detect one side of LED screen, when another side needs to be detected, LED screen needs to be fixed again, so as to increase the risk of detection error, so it needs to be improved. UTILITY MODEL CONTENT

[0005] The utility model discloses a kind of test devices for LED screen production, to solve the above technical problems.

[0006] To achieve the above object, the utility model adopts the following technical solutions:

[0007] A kind of test device for LED screen production, including frame and support leg, the support leg is fixedly connected with the frame;Further include:

[0008] Support frame, is set to the frame, is fixedly connected with frame;

[0009] Support cylinder, is fixedly connected with the support frame;

[0010] Supporting rod, is slidably connected with the support cylinder;

[0011] Detection block, is set to the supporting rod, is fixedly connected with supporting rod;

[0012] Turnover mechanism, is set to the frame, for overturning LED screen;

[0013] Clamping mechanism, is set to the frame, for the LED screen of different thickness is clamped and fixed.

[0014] Preferably, the turnover mechanism includes:

[0015] Turnover frame, is set to the frame, is fixedly connected with frame;

[0016] Turnover cylinder, is fixedly connected with the frame;

[0017] Turnover rod, is slidably connected with the turnover cylinder.

[0018] Preferably, the turnover mechanism further includes:

[0019] Turnover block, is fixedly connected with the frame;

[0020] Turnover slot, is opened in the turnover block;

[0021] Turnover rack, is set to the turnover slot, is slidably connected with turnover slot, is fixedly connected with the turnover rod;

[0022] Turnover shaft, is set to the frame, is rotatably connected with frame;

[0023] Turnover gear, is fixedly connected with the turnover shaft, is engaged with the turnover rack.

[0024] Preferably, the clamping mechanism includes:

[0025] Clamping frame, is set to the turnover shaft, is fixedly connected with turnover shaft.

[0026] A motor frame is fixedly connected with the clamping frame.

[0027] A clamping motor is fixedly connected with the motor frame.

[0028] A clamping shaft is detachably fixedly connected with the output end of the clamping motor.

[0029] A clamping gear is fixedly connected with the clamping shaft.

[0030] A rotating component is arranged in the clamping frame.

[0031] Preferably, the rotating component comprises:

[0032] A first rotating shaft is arranged on the clamping frame and fixedly connected with the clamping frame.

[0033] A second rotating shaft is fixedly connected with the clamping frame.

[0034] A first rotating gear is rotatably connected with the first rotating shaft and engaged with the clamping gear.

[0035] A second rotating gear is rotatably connected with the second rotating shaft and engaged with the first rotating gear.

[0036] Preferably, the rotating component further comprises:

[0037] A plurality of first rotating plates are arranged on the first rotating gear and fixedly connected with the first rotating gear and rotatably connected with the first rotating shaft.

[0038] A plurality of second rotating plates are arranged on the second rotating gear and fixedly connected with the second rotating gear and rotatably connected with the second rotating shaft.

[0039] A third rotating shaft is rotatably connected with the first rotating plate.

[0040] A fourth rotating shaft is rotatably connected with the second rotating plate.

[0041] A transmission component is arranged on the third rotating shaft.

[0042] Preferably, the transmission component comprises:

[0043] A first transmission shaft is arranged in the clamping frame and fixedly connected with the clamping frame.

[0044] A second transmission shaft is fixedly connected with the clamping frame.

[0045] The first transmission plate is provided with a plurality of first transmission plates which are uniformly arranged on the first transmission shaft and are rotationally connected with the first transmission shaft.

[0046] The second transmission plate is provided with a plurality of second transmission plates which are uniformly arranged on the second transmission shaft and are rotationally connected with the second transmission shaft.

[0047] Preferably, the transmission part further comprises:

[0048] The third transmission shaft is rotationally connected with the first transmission plate.

[0049] The fourth transmission shaft is rotationally connected with the second transmission plate.

[0050] The third transmission plate is rotationally connected with the third transmission shaft and the third transmission plate is rotationally connected with the third transmission shaft.

[0051] The fourth transmission plate is rotationally connected with the fourth transmission shaft and the fourth transmission plate is rotationally connected with the fourth transmission shaft.

[0052] Therefore, the LED screen production inspection device has the advantages that:

[0053] The turnover mechanism is arranged, the LED screen is turned over, the clamping mechanism, the rotating part and the transmission part are arranged, the LED screen with different thicknesses is clamped and fixed, the turnover mechanism and the clamping mechanism are arranged, the use flexibility of the inspection device is improved, and the detection of the LED screen is more accurate. BRIEF DESCRIPTION OF DRAWINGS

[0054] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the drawings needed to be used in the embodiment description will be briefly introduced, and obviously, the drawings described below are only some embodiments of the utility model, and for the ordinary skilled in the art, other drawings can be obtained according to these drawings without creative labor.

[0055] Figure 1 A perspective structural schematic diagram of the inspection device for LED screen production is shown.

[0056] Figure 2 A top view structural schematic diagram of the inspection device for LED screen production is shown.

[0057] Figure 3 A front view cross-sectional structural schematic diagram of the inspection device for LED screen production is shown.

[0058] Figure 4 An explosion view of the turnover mechanism of the inspection device for LED screen production is shown.

[0059] Figure 5 An exploded view of a clamping mechanism of an inspection device for LED screen production is shown.

[0060] Legend:

[0061] 1, frame; 2, support leg; 3, support frame; 4, support cylinder; 5, support rod; 6, detection block; 7, overturning frame; 8, overturning cylinder; 9, overturning rod; 10, overturning block; 11, overturning groove; 12, overturning rack; 13, overturning shaft; 14, overturning gear; 15, clamping frame; 16, motor frame; 17, clamping motor; 18, clamping shaft; 19, clamping gear; 20, first rotating shaft; 21, second rotating shaft; 22, first rotating gear; 23, second rotating gear; 24, first rotating plate; 25, second rotating plate; 26, third rotating shaft; 27, fourth rotating shaft; 28, first transmission shaft; 29, second transmission shaft; 30, first transmission plate; 31, second transmission plate; 32, third transmission shaft; 33, fourth transmission shaft; 34, third transmission plate; 35, fourth transmission plate. DETAILED DESCRIPTION

[0062] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0063] In the description of the present application, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0064] It should be noted that when a component is referred to as being "fixed" to another component, it can be directly on the other component or there can be a middle component. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or there can be a middle component. When a component is referred to as being "provided" to another component, it can be directly provided on the other component or there can be a middle component. The terms "vertical", "horizontal", "left", "right" and the like used herein are only for illustrative purposes.

[0065] In addition, the terms "first", "second", "third", "fourth", "fifth", "sixth", "seventh" and "eighth" are only used for descriptive purpose and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second", "third", "fourth", "fifth", "sixth", "seventh" and "eighth" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise explicitly specified.

[0066] With reference to Figures 1 to 5 Further description is made to the utility model LED screen production inspection device.

[0067] The utility model discloses a kind of LED screen production inspection devices, including frame 1 and support leg 2, support leg 2 is fixedly connected with frame 1;Further include: support frame 3, setting on frame 1, with frame 1 fixedly connected;Support cylinder 4, with support frame 3 fixedly connected;Supporting rod 5, with support cylinder 4 slidingly connected;Detection block 6, setting on supporting rod 5, with supporting rod 5 fixedly connected;Turnover mechanism, setting on frame 1, for overturning LED screen;Clamping mechanism, setting in frame 1, for the clamping fixation of LED screen of different thickness.

[0068] With reference to Figure 4 As a preferred embodiment, the turnover mechanism includes: turnover frame 7, setting on frame 1, with frame 1 fixedly connected;Turnover cylinder 8, with frame 1 fixedly connected;Turnover rod 9, with turnover cylinder 8 slidingly connected.

[0069] So setting, when turnover cylinder 8 operates, drive the turnover rod 9 slidingly connected with turnover cylinder 8 to the inside of turnover cylinder 8.

[0070] With reference to Figure 4 As a preferred embodiment, the turnover mechanism further includes: turnover block 10, with frame 1 fixedly connected;Turnover groove 11, open in turnover block 10;Turnover rack 12, setting in turnover groove 11, with turnover groove 11 slidingly connected, with turnover rod 9 fixedly connected;Turnover shaft 13, setting on frame 1, with frame 1 rotatably connected;Turnover gear 14, with turnover shaft 13 fixedly connected, with turnover rack 12 meshing.

[0071] So setting, the turnover rack 12 fixedly connected with turnover rod 9 slides in turnover groove 11, thereby drive the turnover gear 14 meshing with turnover rack 12 rotates, so that the clamping frame 15 fixedly connected with turnover shaft 13 rotates, thereby realizing overturning LED screen.

[0072] With reference to Figure 5As a preferred embodiment, the clamping mechanism comprises a clamping frame 15 arranged on the turnover shaft 13 and fixedly connected with the turnover shaft 13, a motor frame 16 fixedly connected with the clamping frame 15, a clamping motor 17 fixedly connected with the motor frame 16, a clamping shaft 18 detachably fixedly connected with the output end of the clamping motor 17, a clamping gear 19 fixedly connected with the clamping shaft 18, and a rotating component arranged in the clamping frame 15.

[0073] In this way, when the clamping motor 17 is in operation, the clamping shaft 18 detachably fixedly connected with the output end of the clamping motor 17 is driven to rotate, so that the clamping gear 19 fixedly connected with the clamping shaft 18 is driven to rotate, thereby providing power for the rotating component to operate.

[0074] With reference to Figure 5 As a preferred embodiment, the rotating component comprises a first rotating shaft 20 arranged on the clamping frame 15 and fixedly connected with the clamping frame 15, a second rotating shaft 21 fixedly connected with the clamping frame 15, a first rotating gear 22 rotatably connected with the first rotating shaft 20 and engaged with the clamping gear 19, and a second rotating gear 23 rotatably connected with the second rotating shaft 21 and engaged with the first rotating gear 22.

[0075] With reference to Figure 5 As a preferred embodiment, the rotating component further comprises a plurality of first rotating plates 24 uniformly arranged on the first rotating gear 22, fixedly connected with the first rotating gear 22, and rotatably connected with the first rotating shaft 20, a plurality of second rotating plates 25 uniformly arranged on the second rotating gear 23, fixedly connected with the second rotating gear 23, and rotatably connected with the second rotating shaft 21, a third rotating shaft 26 rotatably connected with the first rotating plates 24, a fourth rotating shaft 27 rotatably connected with the second rotating plates 25, and a transmission component arranged on the third rotating shaft 26.

[0076] In this way, the first rotating gear 22 rotatably connected with the first rotating shaft 20 is driven to rotate, thereby driving the second rotating gear 23 engaged with the first rotating gear 22 to rotate on the second rotating shaft 21, and driving the first rotating plates 24 and the second rotating plates 25 fixedly connected with the first rotating gear 22 and the second rotating gear 23 to rotate, thereby driving the transmission component to operate.

[0077] With reference to Figure 5, as a preferred embodiment, the transmission component comprises: a first transmission shaft 28 arranged in the clamping frame 15 and fixedly connected with the clamping frame 15; a second transmission shaft 29 fixedly connected with the clamping frame 15; a plurality of first transmission plates 30, and the plurality of first transmission plates 30 are uniformly arranged on the first transmission shaft 28 and rotatably connected with the first transmission shaft 28; a plurality of second transmission plates 31, and the plurality of second transmission plates 31 are uniformly arranged on the second transmission shaft 29 and rotatably connected with the second transmission shaft 29.

[0078] Referring to Figure 5 , as a preferred embodiment, the transmission component further comprises: a third transmission shaft 32 rotatably connected with the first transmission plate 30; a fourth transmission shaft 33 rotatably connected with the second transmission plate 31; a third transmission plate 34 rotatably connected with the third rotating shaft 26 and the third transmission shaft 32; and a fourth transmission plate 35 rotatably connected with the fourth rotating shaft 27 and the fourth transmission shaft 33.

[0079] In this way, the third transmission plate 34 and the fourth transmission plate 35 rotatably connected with the third rotating shaft 26 and the fourth rotating shaft 27 rotate, so that the first transmission plate 30 and the second transmission plate 31 rotatably connected with the third transmission shaft 32 and the fourth transmission shaft 33 rotate around the axes of the first transmission shaft 28 and the second transmission shaft 29, thereby achieving clamping and fixing of LED screens of different thicknesses.

[0080] Working principle: in operation, first start the clamping motor 17, drive the clamping shaft 18 fixedly connected with the output end of the clamping motor 17 to rotate, so that the clamping gear 19 fixedly connected with the clamping shaft 18 rotates, thereby driving the first rotating gear 22 rotatably connected with the first rotating shaft 20 to rotate, thereby driving the second rotating gear 23 engaged with the first rotating gear 22 to rotate on the second rotating shaft 21, so that the first rotating plate 24 and the second rotating plate 25 fixedly connected with the first rotating gear 22 and the second rotating gear 23 rotate, thereby driving the third transmission plate 34 and the fourth transmission plate 35 rotatably connected with the third rotating shaft 26 and the fourth rotating shaft 27 to rotate, so that the first transmission plate 30 and the second transmission plate 31 rotatably connected with the third transmission shaft 32 and the fourth transmission shaft 33 rotate around the axes of the first transmission shaft 28 and the second transmission shaft 29.

[0081] When it is necessary to overturn the LED screen, the overturning cylinder 8 is started, the overturning rod 9 slidably connected with the overturning cylinder 8 slides towards the inside of the overturning cylinder 8, the overturning rack 12 fixedly connected with the overturning rod 9 slides in the overturning groove 11, thereby driving the overturning gear 14 engaged with the overturning rack 12 to rotate, so that the clamping frame 15 fixedly connected with the overturning shaft 13 rotates.

[0082] The foregoing description of the embodiments enables one of ordinary skill in the art to make or use the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein can be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An inspection device for LED screen production, comprising a frame (1) and a supporting leg (2), the supporting leg (2) is fixedly connected with the frame (1); characterized in that, Also include: Support frame (3) is provided on the frame (1), and the frame (1) is fixedly connected; Support cylinder (4) is fixedly connected with the support frame (3); Supporting rod (5) is slidably connected with the support cylinder (4); Detection block (6) is provided on the supporting rod (5) and is fixedly connected with the supporting rod (5); The turnover mechanism is arranged on the frame (1), and is used for overturning the LED screen; The clamping mechanism is arranged in the frame (1), and is used for clamping and fixing the LED screen with different thickness.

2. The inspection apparatus for producing an LED screen according to claim 1, characterized by, The turnover mechanism comprises: Turnover frame (7) is arranged on the frame (1), and the frame (1) is fixedly connected; Turnover cylinder (8) is fixedly connected with the frame (1); Turnover rod (9) is slidably connected with the turnover cylinder (8).

3. The inspection apparatus for producing an LED screen according to claim 2, characterized in that, The turnover mechanism further comprises: Turnover block (10) is fixedly connected with the frame (1); Turnover groove (11) is arranged on the turnover block (10); Turnover rack (12) is arranged in the turnover groove (11) and is slidably connected with the turnover groove (11), and is fixedly connected with the turnover rod (9); Turnover shaft (13) is arranged on the frame (1) and is rotatably connected with the frame (1); Turnover gear (14) is fixedly connected with the turnover shaft (13) and is engaged with the turnover rack (12).

4. The inspection apparatus for producing an LED screen according to claim 3, characterized by The clamping mechanism comprises: Clamping frame (15) is arranged on the turnover shaft (13) and is fixedly connected with the turnover shaft (13); Motor frame (16) is fixedly connected with the clamping frame (15); Clamping motor (17) is fixedly connected with the motor frame (16); Clamping shaft (18) is detachably fixedly connected with the output end of the clamping motor (17); Clamping gear (19) is fixedly connected with the clamping shaft (18); Rotating part is arranged in the clamping frame (15).

5. The inspection apparatus for producing an LED screen according to claim 4, characterized in that, The rotating part comprises: First rotating shaft (20) is arranged on the clamping frame (15) and is fixedly connected with the clamping frame (15); Second rotating shaft (21) is fixedly connected with the clamping frame (15); First rotating gear (22) is rotatably connected with the first rotating shaft (20) and is engaged with the clamping gear (19); Second rotating gear (23) is rotatably connected with the second rotating shaft (21) and is engaged with the first rotating gear (22).

6. The inspection apparatus for producing an LED screen according to claim 5, wherein The rotating part further comprises: First rotating plate (24) has a plurality of first rotating plates (24), and the plurality of first rotating plates (24) are uniformly arranged on the first rotating gear (22) and are fixedly connected with the first rotating gear (22) and are rotatably connected with the first rotating shaft (20); Second rotating plate (25) has a plurality of second rotating plates (25), and the plurality of second rotating plates (25) are uniformly arranged on the second rotating gear (23) and are fixedly connected with the second rotating gear (23) and are rotatably connected with the second rotating shaft (21); Third rotating shaft (26) is rotatably connected with the first rotating plate (24); Fourth rotating shaft (27) is rotatably connected with the second rotating plate (25); Transmission part is arranged on the third rotating shaft (26).

7. The inspection apparatus for producing an LED screen according to claim 6, wherein The transmission component comprises: A first transmission shaft (28) is arranged in the clamping frame (15) and fixedly connected with the clamping frame (15); A second transmission shaft (29) is fixedly connected with the clamping frame (15); A plurality of first transmission plates (30) are uniformly arranged on the first transmission shaft (28) and rotationally connected with the first transmission shaft (28); A plurality of second transmission plates (31) are uniformly arranged on the second transmission shaft (29) and rotationally connected with the second transmission shaft (29).

8. The inspection apparatus for producing an LED screen according to claim 7, characterized in that, The transmission component further comprises: A third transmission shaft (32) is rotationally connected with the first transmission plate (30); A fourth transmission shaft (33) is rotationally connected with the second transmission plate (31); A third transmission plate (34) is rotationally connected with the third transmission shaft (32) and the third transmission shaft (32) is rotationally connected with the third transmission plate (34); A fourth transmission plate (35) is rotationally connected with the fourth transmission shaft (33) and the fourth transmission shaft (33) is rotationally connected with the fourth transmission plate (35).

Citation Information

Patent Citations

  • Inspection device for LED screen production

    CN218895922U