CN114779506B

CN114779506B - Aging detection equipment for liquid crystal display module

Info

Publication number: CN114779506B
Application number: CN202210334848.2A
Authority: CN
Inventors: 夏明星; 卢建灿
Original assignee: Shenzhen Tongxingda Technology Co Ltd
Current assignee: Shenzhen Tongxingda Technology Co Ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2023-06-16
Anticipated expiration: 2042-03-31
Also published as: CN114779506A

Abstract

The invention discloses ageing detection equipment for a liquid crystal display module, and relates to the technical field of liquid crystal modules. This ageing check out test set of liquid crystal display module, which comprises a bod, the inside of organism is provided with the instrument case of depositing, the observation window has been seted up to the outer wall of organism, sliding connection has electric telescopic handle on the inner wall of organism, electric telescopic handle's outer end is provided with fixture, fixture includes the fixed block, fixed block fixed connection is at electric telescopic handle's outer end, be provided with the detection lamp on the inner wall on organism top, be provided with stop gear on one side lateral wall of organism, be provided with drive mechanism on the opposite side lateral wall of organism. Through setting up fixture, make this device can adapt to the liquid crystal template of equidimension thickness not to can be when detecting liquid crystal module, need not to change corresponding clamping device, can save a large amount of time, and great improvement the efficiency of detecting.

Description

Aging detection equipment for liquid crystal display module

Technical Field

The invention relates to the technical field of liquid crystal display modules, in particular to an ageing detection device for a liquid crystal display module.

Background

The lc module Jian Shandian is referred to as a panel-added backlight assembly. The display part of the liquid crystal television is a liquid crystal module, which is located equivalent to a kinescope in a CRT. Other parts include power supply circuits, signal processing circuits, etc., and of course what is the housing. The module is mainly divided into a screen and a backlight assembly, and the two parts are assembled together, but are independent when working. The principle of liquid crystal display is that the backlight assembly emits a uniform surface light, which is transmitted into our eyes through the liquid crystal panel. The effect of the screen is to process the light in pixels to display an image. The two parts contain a large number of parts, after the outdoor liquid crystal display module is manufactured, the outdoor liquid crystal display module needs to be subjected to aging detection through an ultraviolet aging detection box, and two people know the aging condition of the product after the product is used for years.

The existing liquid crystal module is detected, the liquid crystal module is usually clamped by a clamp and then is detected by irradiation of a detection lamp, the liquid crystal module is relatively fragile, so that the liquid crystal module is easy to damage in the clamping process, unnecessary loss is caused, the liquid crystal module is easy to drop due to small clamping force, the thickness and the size of the liquid crystal module are different, and the liquid crystal module cannot adapt to the liquid crystal modules of different types; in view of this, we propose a liquid crystal display module aging detection apparatus.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the invention provides the aging detection equipment for the liquid crystal display module, which solves the problems mentioned in the background art.

(II) technical scheme

In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a liquid crystal display module ageing test equipment, includes the organism, the inside of organism is provided with the instrument and deposits the case, the observation window has been seted up to the outer wall of organism, sliding connection has electric telescopic handle on the inner wall of organism, electric telescopic handle's outer end is provided with fixture, be provided with the inspection lamp on the inner wall on organism top, be provided with stop gear on the lateral wall of one side of organism, be provided with drive mechanism on the lateral wall of the opposite side of organism.

Preferably, the clamping mechanism comprises a fixed block, the fixed block is fixedly connected to the outer end of the electric telescopic rod, a clamping block is connected to the side wall of the fixed block in a sliding mode, and a friction soft cushion is arranged at the bottom end of the clamping block.

Preferably, the upper end of the clamping block is provided with a sliding rail, the sliding rail is connected with a rotating shaft in a sliding manner, the rotating shaft is hinged with one end of the connecting rod, and the other end of the connecting rod penetrates through the side wall of the fixed block and is hinged on the push rod.

Preferably, the push rod penetrates through and is connected to the side wall of the fixed block in a sliding mode, the outer end of the push rod is fixedly connected with the push block, and a friction soft cushion is arranged at the outer end of the push block.

Preferably, the push rod is slidably connected to the inner wall of the chute, the chute is formed on the outer end of the electric telescopic rod and the inner wall of the fixed block, the bottom of the chute is fixedly connected with one end of the first spring, and the other end of the first spring is fixedly connected to the side wall of the push rod.

Preferably, the transmission mechanism comprises a fixed frame, a threaded rod is rotatably connected to the inner wall of the fixed frame, a threaded sleeve penetrates through the threaded rod and is in threaded connection with the threaded rod, the threaded sleeve is slidably connected to the inner wall of the fixed frame, and the threaded sleeve is rotatably connected with the electric telescopic rod.

Preferably, the bottom fixedly connected with linking bridge of fixed frame, rotate on the inner wall of linking bridge and be connected with bevel gear one, the center pin of bevel gear one runs through the fixed frame and with threaded rod fixed connection.

Preferably, the bevel gear I is meshed with the bevel gear II, the bevel gear II is rotationally connected to the inner wall of the connecting frame, a central shaft of the bevel gear II penetrates through the side wall of the connecting frame and is fixedly connected with the center of the rocking handle, and the rocking handle is rotationally connected to the side wall of the connecting frame.

Preferably, the limiting mechanism comprises a limiting cone pulley, the limiting cone pulley penetrates through the side wall of the machine body and is fixedly connected with the outer end of the supporting rod, the supporting rod is slidably connected onto the inner wall of the machine body, and the same clamping mechanism is arranged at the outer end of the supporting rod.

Preferably, the lateral wall of spacing cone pulley runs through there is spacing frame, the lateral wall sliding connection of spacing frame and organism, the bottom of spacing frame and the one end fixed connection of spring two, the other end fixed connection of spring two is on the lateral wall of square slider, square slider sliding connection is on the inner wall of spacing frame, fixedly connected with gag lever post on the lateral wall of square slider.

(III) beneficial effects

The invention provides ageing detection equipment for a liquid crystal display module. The beneficial effects are as follows:

(1) This ageing check out test set of liquid crystal display module through setting up fixture, makes this device can adapt to the liquid crystal template of equidimension thickness not to can be when detecting liquid crystal module, need not to change corresponding clamping device, can save a large amount of time, and great improvement the efficiency of detection.

(2) This ageing check out test set of liquid crystal display module passes through setting up fixture, makes this device pass through liquid crystal module extrusion ejector pad when using to make ejector pad extrusion push rod, thereby it is fixed to drive the clamp splice and carry out the centre gripping with liquid crystal module through the connecting rod, and can change transverse force into the force of vertical centre gripping, can carry out the fixed centre gripping of lateral wall to liquid crystal module and carry out the centre gripping to liquid crystal module's upper and lower both ends, its clamping force is better, can prevent that liquid crystal module from dropping when the centre gripping.

(3) This ageing check out test set of liquid crystal display module passes through setting up fixture, makes this device when carrying out the centre gripping to liquid crystal module, makes clamp splice and push pedal carry out the centre gripping to liquid crystal module through push rod extrusion spring one, through spring potential energy of spring one, can carry out certain cushioning effect to the clamping force, prevents that the clamping force is too big to lead to liquid crystal module's damage.

(4) This ageing check out test set of liquid crystal display module passes through setting up stop gear and drive mechanism, makes this device can drive liquid crystal module through drive mechanism and reciprocates to drive liquid crystal module through stop gear and rotate, thereby can carry out the omnidirectional detection to liquid crystal module's outside, and through manual control, can be swift adjust the angle of needs, do not adopt motor drive, the cost is lower, accords with green's theory more.

Drawings

FIG. 1 is a schematic diagram of the overall side perspective of the present invention;

FIG. 2 is a schematic diagram of the overall side perspective of the present invention;

FIG. 3 is a schematic view of the overall front cross-section of the present invention;

FIG. 4 is an enlarged schematic view of the portion A of FIG. 3 according to the present invention;

FIG. 5 is an enlarged schematic view of the portion B of FIG. 3 according to the present invention;

fig. 6 is an enlarged view of part C of fig. 1 according to the present invention.

In the figure: 1. a body; 2. a tool storage case; 3. a detection lamp; 4. a transmission mechanism; 5. an electric telescopic rod; 6. a clamping mechanism; 7. a limiting mechanism; 8. an observation window; 41. a fixed frame; 42. a thread sleeve; 43. a threaded rod; 44. bevel gears I; 45. bevel gears II; 46. a rocking handle; 47. a connection frame; 61. a fixed block; 62. clamping blocks; 63. a slide rail; 64. a rotating shaft; 65. a connecting rod; 66. a push rod; 67. a pushing block; 68. a first spring; 69. a chute; 71. a support rod; 72. limiting cone pulley; 73. a limit frame; 74. a limit rod; 75. a second spring; 76. square slide block.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a liquid crystal display module ageing test equipment, which comprises a machine body 1, the inside of organism 1 is provided with instrument case 2, instrument case 2 can deposit other required instruments of detection inside, the observation window 8 has been seted up to the outer wall of organism 1, observation window 8 can observe inside, sliding connection has electric telescopic handle 5 on the inner wall of organism 1, place the liquid crystal module in the center of two sets of fixture 6, make electric telescopic handle 5 drive fixture 6 to be close to the liquid crystal module through starting electric telescopic handle 5, the outer end of electric telescopic handle 5 is provided with fixture 6, through setting up fixture 6, make this device can adapt to the liquid crystal template of equidimension thickness not, thereby can be when detecting the liquid crystal module, need not to change corresponding clamping device, a large amount of time can be saved, and the efficiency of detection has been improved greatly, the clamping mechanism 6 comprises a fixed block 61, the fixed block 61 is fixedly connected to the outer end of the electric telescopic rod 5, the fixed block 61 can be driven to move through the expansion and contraction of the electric telescopic rod 5, thereby controlling the fixed block 61 to move towards the liquid crystal module, a clamping block 62 is slidably connected to the side wall of the fixed block 61, a friction soft pad is arranged at the bottom end of the clamping block 62, the clamping block 62 can clamp the upper side and the lower side of the liquid crystal module, the friction soft pad can increase the friction force between the clamping block 62 and the liquid crystal module, the liquid crystal module is prevented from falling, the clamping block 62 is prevented from damaging the liquid crystal module, a slide rail 63 is arranged at the upper end of the clamping block 62, a rotating shaft 64 can slide in the slide rail 63, the clamping block 62 is driven to descend through the sliding of the rotating shaft 64 and clamp the liquid crystal module, the rotating shaft 64 is slidably connected to the slide rail 63, the rotating shaft 64 is driven to move through a connecting rod 65, thereby control clamp splice 62 descends, pivot 64 is articulated with the one end of connecting rod 65, push block 67 contacts the LCD module earlier and make the LCD module extrude push block 67, thereby make push block 67 extrude push rod 66, push rod 66 extrudees first 68 of spring and inwards slides, push rod 66 inwards moves and drives connecting rod 65 inwards to remove, the other end of connecting rod 65 runs through the lateral wall of fixed block 61 and articulates on push rod 66, pass through push rod 66 and sliding connection on the lateral wall of fixed block 61, the outer end fixedly connected with push block 67 of push rod 66, through setting up fixture 6, make this device pass through LCD module extrusion push block 67 when using, thereby make push block 67 extrude push rod 66, thereby drive clamp splice 62 and LCD module through connecting rod 65 and carry out the centre gripping fixedly, and can change the force of vertical centre gripping into the force of lateral wall, carry out centre gripping to LCD module upper and lower both ends, its clamping force is better, can prevent that LCD module from dropping when the centre gripping.

In this embodiment, a friction cushion is disposed at the outer end of the push block 67, the push rod 66 is slidably connected to the inner wall of the slide groove 69, the slide groove 69 is formed on the outer end of the electric telescopic rod 5 and the inner wall of the fixed block 61, a through groove is formed at the penetrating position of the connecting rod 65 and the fixed block 61, then the connecting rod 65 contacts with the inner wall of the through groove and extrudes the connecting rod 65, the connecting rod 65 slides along the slide rail 63 and drives the clamping block 62 to move downwards to contact with the liquid crystal module and clamp the liquid crystal module, the bottom of the slide groove 69 is fixedly connected with one end of the first spring 68, the first spring 68 limits and resets the push rod 66, and can perform a certain buffering function on clamping the liquid crystal module to prevent the liquid crystal module from being damaged due to overlarge clamping force, the other end of the first spring 68 is fixedly connected to the side wall of the push rod 66, and the clamping mechanism 6 is arranged.

In the embodiment, the detection lamp 3 is arranged on the inner wall of the top end of the machine body 1, the ultraviolet rays emitted by the detection lamp 3 can detect the aging condition of the liquid crystal module, the distance between the liquid crystal module and the detection lamp 3 can be controlled through the transmission mechanism 4, so that the intensity of lamplight is controlled, the limit mechanism 7 is arranged on one side wall of the machine body 1, the device can drive the liquid crystal module to move up and down through the transmission mechanism 4 and drive the liquid crystal module to rotate through the limit mechanism 7, so that the outside of the liquid crystal module can be detected in all directions, and the angle required by the manual control can be quickly adjusted, the motor drive is not adopted, the cost is lower, the environment-friendly idea is more met, the limit mechanism 7 comprises the limit cone 72, the limit cone pulley 72 is round, the periphery of the limit cone pulley 72 penetrates through the side wall of the machine body 1 and is fixedly connected with the outer end of the support rod 71, the support rod 71 is slidably connected on the inner wall of the machine body 1, the electric telescopic rod 5 is driven to move up and down through the transmission mechanism 4, so that the electric telescopic rod 5 drives the clamping mechanism 6 to move, the clamping mechanism 6 clamps the liquid crystal module to drive the support rod 71 to move up and down, the same clamping mechanism 6 is arranged at the outer end of the support rod 71, the side wall of the limit cone pulley 72 penetrates through a limit frame 73, the support rod 71 can be driven to move together with the liquid crystal module through the clamping mechanism 6, when other areas of the liquid crystal module need to be detected, the limit frame 73 penetrates through the side wall of the limit cone pulley 72 and is slidably connected with the side wall of the machine body 1, the limit frame 73 can not rotate, namely, the square sliding block 76 and the limiting rod 74 can limit the limiting cone 72, the limiting frame 73 is in sliding connection with the side wall of the machine body 1, the bottom of the limiting frame 73 is fixedly connected with one end of the second spring 75, the other end of the second spring 75 is fixedly connected to the side wall of the square sliding block 76, the square sliding block 76 has the reset and limiting functions through the second spring 75, the square sliding block 76 is rectangular and is in sliding connection with the limiting frame 73, the square sliding block 76 is limited through the limiting frame 73, the square sliding block 76 is in sliding connection with the inner wall of the limiting frame 73, the limiting rod 74 is fixedly connected with the side wall of the square sliding block 76, the limiting rod 74 is clamped with the cone thorn of the limiting cone 72, the limiting rod 74 is fixed with the square sliding block 76, so that the limiting rod 74 limits the limiting cone 72, the limiting cone 72 is prevented from rotating, the square sliding block 76 is pulled outwards, the square sliding block 76 drives the limiting rod 74 to be far away from the limiting cone 72, and the limiting cone 72 is released, and the whole liquid crystal module is driven to rotate at the moment through rotating the limiting cone 72, and the whole liquid crystal module is driven to rotate, and different places are detected.

In this embodiment, a transmission mechanism 4 is disposed on the other side wall of the machine body 1, the transmission mechanism 4 includes a fixed frame 41, the inner wall of the fixed frame 41 is rotatably connected with a threaded rod 43, the threaded rod 43 drives a threaded sleeve 42 to move up and down, the direction of rotation of the threaded rod 43 determines the direction of movement of the threaded sleeve 42, the threaded rod 43 has a limiting function, the threaded sleeve 42 can be limited, the threaded sleeve 42 penetrates through and is in threaded connection with the threaded rod 43, the threaded sleeve 42 is slidably connected with the inner wall of the fixed frame 41, the threaded sleeve 42 is rotatably connected with an electric telescopic rod 5, a supporting rod 71 is rotated by rotating a limiting cone 72, the whole electric telescopic rod 5 is driven to rotate by a clamping mechanism 6 and a liquid crystal module, a connecting frame 47 is fixedly connected with the bottom end of the fixed frame 41, the connecting frame 47 supports a first bevel gear 44 and a second bevel gear 45, and the first bevel gear 44 and the second bevel gear 45 are rotated on the inner wall of the connecting frame 47, the first bevel gear 44 is rotationally connected on the inner wall of the connecting frame 47, the central shaft of the first bevel gear 44 penetrates through the fixed frame 41 and is fixedly connected with the threaded rod 43, the rocking handle 46 drives the second bevel gear 45 to rotate by rotating the rocking handle 46, the second bevel gear 45 drives the first bevel gear 44 to rotate, the first bevel gear 44 drives the threaded rod 43 to rotate, the threaded sleeve 42 moves up and down along the threaded rod 43, thereby controlling the distance between the liquid crystal module and the detection lamp 3, the first bevel gear 44 is meshed with the second bevel gear 45, the rotation of the second bevel gear 45 can drive the first bevel gear 44 to rotate, the second bevel gear 45 is rotationally connected on the inner wall of the connecting frame 47, the central shaft of the second bevel gear 45 penetrates through the side wall of the connecting frame 47 and is fixedly connected with the center of the rocking handle 46, the crank 46 is rotatably attached to the side wall of the connecting frame 47.

When the device is used, a liquid crystal module is placed in the center of two groups of clamping mechanisms 6, the electric telescopic rod 5 is started to enable the electric telescopic rod 5 to drive the clamping mechanisms 6 to approach the liquid crystal module, the push block 67 firstly contacts the liquid crystal module and enables the liquid crystal module to extrude the push block 67, so that the push block 67 extrudes the push rod 66, the push rod 66 extrudes the first spring 68 to slide inwards, the push rod 66 moves inwards to drive the connecting rod 65 to move inwards, a through groove is formed in the penetrating position of the connecting rod 65 and the fixed block 61, then the connecting rod 65 contacts with the inner wall of the through groove and extrudes the connecting rod 65, the connecting rod 65 slides along the sliding rail 63 and drives the clamping block 62 to move downwards to contact with the liquid crystal module and clamp the liquid crystal module, then the rocking handle 46 is rotated to enable the rocking handle 46 to drive the second bevel gear 45 to rotate, the first bevel gear 44 to drive the threaded rod 43 to rotate, the threaded sleeve 42 to move up and down along the threaded rod 43, and accordingly distance between the liquid crystal module and the detecting lamp 3, the distance between the liquid crystal module and the detecting lamp 3 is controlled, and the supporting rod 71 can be driven to move along the clamping mechanism 6 and the liquid crystal module to move along the liquid crystal module through the clamping mechanism and the clamping mechanism;

when other areas of the liquid crystal module need to be detected, the limiting frame 73 penetrates through the side wall of the limiting cone pulley 72 and is in sliding connection with the side wall of the machine body 1, the limiting frame 73 cannot rotate, namely the limiting cone pulley 72 can be limited through the square sliding block 76 and the limiting rod 74, the square sliding block 76 is pulled outwards, the square sliding block 76 drives the limiting rod 74 to be far away from the limiting cone pulley 72, so that the limiting cone pulley 72 is released from limiting, and at the moment, the supporting rod 71 can be driven to rotate through rotating the limiting cone pulley 72, and then the whole liquid crystal module is driven to rotate, so that detection is carried out on different places.

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 therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a liquid crystal display module ageing test equipment, includes organism (1), its characterized in that: the novel tool storage box is characterized in that a tool storage box (2) is arranged inside the machine body (1), an observation window (8) is formed in the outer wall of the machine body (1), an electric telescopic rod (5) is connected to the inner wall of the machine body (1) in a sliding mode, a clamping mechanism (6) is arranged at the outer end of the electric telescopic rod (5), a detection lamp (3) is arranged on the inner wall of the top end of the machine body (1), a limiting mechanism (7) is arranged on one side wall of the machine body (1), and a transmission mechanism (4) is arranged on the other side wall of the machine body (1);

the clamping mechanism (6) comprises a fixed block (61), the fixed block (61) is fixedly connected to the outer end of the electric telescopic rod (5), a clamping block (62) is connected to the side wall of the fixed block (61) in a sliding manner, and a friction soft cushion is arranged at the bottom end of the clamping block (62);

the upper end of the clamping block (62) is provided with a sliding rail (63), the sliding rail (63) is connected with a rotating shaft (64) in a sliding manner, the rotating shaft (64) is hinged with one end of a connecting rod (65), and the other end of the connecting rod (65) penetrates through the side wall of the fixed block (61) and is hinged on a push rod (66);

the push rod (66) penetrates through and is connected to the side wall of the fixed block (61) in a sliding manner, the outer end of the push rod (66) is fixedly connected with the push block (67), and a friction soft cushion is arranged at the outer end of the push block (67);

the push rod (66) is slidably connected to the inner wall of the sliding groove (69), the sliding groove (69) is formed in the outer end of the electric telescopic rod (5) and the inner wall of the fixed block (61), the bottom of the sliding groove (69) is fixedly connected with one end of the first spring (68), and the other end of the first spring (68) is fixedly connected to the side wall of the push rod (66).

2. The aging detection apparatus for a liquid crystal display module according to claim 1, wherein: the transmission mechanism (4) comprises a fixed frame (41), a threaded rod (43) is rotatably connected to the inner wall of the fixed frame (41), a threaded sleeve (42) penetrates through the threaded rod (43) and is in threaded connection with the threaded rod, the threaded sleeve (42) is slidably connected to the inner wall of the fixed frame (41), and the threaded sleeve (42) is rotatably connected with the electric telescopic rod (5).

3. The aging detection apparatus for a liquid crystal display module according to claim 2, wherein: the bottom fixedly connected with connection frame (47) of fixed frame (41), rotate on the inner wall of connection frame (47) and be connected with bevel gear one (44), the center pin of bevel gear one (44) runs through fixed frame (41) and with threaded rod (43) fixed connection.

4. A liquid crystal display module aging detection apparatus according to claim 3, wherein: the first bevel gear (44) is meshed with the second bevel gear (45), the second bevel gear (45) is rotationally connected to the inner wall of the connecting frame (47), a central shaft of the second bevel gear (45) penetrates through the side wall of the connecting frame (47) and is fixedly connected with the center of the rocking handle (46), and the rocking handle (46) is rotationally connected to the side wall of the connecting frame (47).

5. The aging detection apparatus for a liquid crystal display module according to claim 1, wherein: the limiting mechanism (7) comprises a limiting cone pulley (72), the limiting cone pulley (72) penetrates through the side wall of the machine body (1) and is fixedly connected with the outer end of the supporting rod (71), the supporting rod (71) is slidably connected onto the inner wall of the machine body (1), and the same clamping mechanism (6) is arranged at the outer end of the supporting rod (71).

6. The aging detection apparatus for a liquid crystal display module according to claim 5, wherein: the side wall of spacing cone pulley (72) runs through there is spacing frame (73), the lateral wall sliding connection of spacing frame (73) and organism (1), the bottom of spacing frame (73) and the one end fixed connection of spring two (75), the other end fixed connection of spring two (75) is on the lateral wall of square slider (76), square slider (76) sliding connection is on the inner wall of spacing frame (73), fixedly connected with gag lever post (74) on the lateral wall of square slider (76).