CN211086851U - Automatic alignment crimping lighting device for liquid crystal screen - Google Patents

Abstract

The utility model discloses a liquid crystal screen automatic alignment crimping lighting device, which belongs to the technical field of liquid crystal screen detection. The liquid crystal screen automatic alignment crimp lighting device is used for the lighting test of the liquid crystal screen, and includes a fixture adjustment mechanism, a crimp mechanism and a product alignment mechanism, wherein the fixture adjustment mechanism is used to support the liquid crystal screen, and the fixture adjusts The mechanism can be adjusted according to the size of the LCD screen; the crimping mechanism is used to crimp and light the LCD screen, and the position of the crimping mechanism can be adjusted to suit different LCD screens; the product alignment mechanism is used to position the LCD screen on the on the crimping mechanism. The liquid crystal screen automatic alignment and crimping lighting device of the utility model can adjust the size through the jig adjusting mechanism, the product alignment mechanism and the crimping mechanism, so as to realize the compatibility of various liquid crystal screens of different sizes, and realize the automatic alignment. Crimp lighting, thereby reducing production costs and improving production efficiency.

Description

A liquid crystal screen automatic alignment crimp lighting device

technical field

The utility model relates to the technical field of liquid crystal screen detection, in particular to a liquid crystal screen automatic alignment crimping lighting device.

Background technique

With the rapid development of the liquid crystal display industry, factories have higher and higher requirements for product yield. Common liquid crystal screen crimping methods in the prior art include telescopic cylinder crimping and manual crimping; for manual crimping, the liquid crystal screen to be tested is first transported to the crimping station of the jig, and then the operator presses the flip cover to the joint. For crimping, the manual crimping fixture is time-consuming and labor-intensive, and it is difficult to meet the needs of mass production, and the consistency of the manual crimping effect is poor, and the pass rate is low; For a liquid crystal screen to be tested, the motion control jig of the telescopic cylinder is used for crimping, and the working method is limited by the space size of the equipment; the size of the liquid crystal screen changes, the structure of the automatic crimping equipment is complicated, and the cost of manpower and equipment is increasing.

Utility model content

The purpose of the utility model is to provide an automatic alignment and crimp lighting device for liquid crystal screens, which realizes compatibility with a variety of liquid crystal screens of different sizes, and realizes automatic alignment and crimping lighting, thereby reducing production costs and improving production efficiency.

For this purpose, the utility model adopts the following technical solutions:

A liquid crystal screen automatic alignment crimp lighting device, used for lighting test of the liquid crystal screen, including:

The fixture adjustment mechanism is used to support the LCD screen, and the fixture adjustment mechanism can be adjusted according to the size of the LCD screen;

The crimping mechanism is used for crimping and lighting the liquid crystal screen, and the position of the crimping mechanism can be adjusted to be suitable for different liquid crystal screens;

The product alignment mechanism is used to position the LCD screen on the crimping mechanism.

Optionally, the jig adjustment mechanism includes a movable jig assembly, a first drive assembly and a fixed jig assembly, and the first drive assembly drives the movable jig assembly to move so that the distance between the movable jig assembly and the fixed jig assembly is suitable for the liquid crystal. screen size.

Optionally, the first driving component includes a first driving component and a first transmission component, the moving fixture component includes a transparent fixture, the transparent fixture is used to support the liquid crystal screen, the first transmission component is connected with the transparent fixture, and the first driving component The assembly drives the first transmission member and drives the transparent jig to move closer to or away from the fixed jig assembly.

Optionally, the product alignment mechanism includes a first alignment assembly at the fixed end, a first alignment assembly at the movable end, and a second driving assembly, the first alignment assembly at the fixed end and the first alignment assembly at the movable end are arranged opposite to each other, and the second The driving component drives the first aligning component of the movable end to move, so that the first aligning component of the movable end is close to or away from the first aligning component of the fixed end.

Optionally, the product alignment mechanism includes a first positioning assembly, the crimping mechanism includes a second positioning assembly disposed opposite to the first positioning assembly, and the first positioning assembly and the second positioning assembly are used for positioning the liquid crystal screen.

Optionally, the first positioning assembly includes a positioning plate and a third positioning member for driving the positioning plate to move. The positioning plate is connected with a plurality of first rollers on the side close to the liquid crystal screen, and the first rollers are used for positioning the liquid crystal screen. position.

Optionally, the positioning plate is provided with elongated holes, and the positioning plate is mounted on the third alignment member through the elongated holes.

Optionally, the crimping mechanism includes a probe pressing component for clamping the liquid crystal screen and a product pressing component, and the probe pressing component is provided with a probe for connecting with the liquid crystal screen.

Optionally, the crimping mechanism further includes a crimping adjustment component, and the crimping adjustment component is used to drive the probe pressing component and the product pressing component to move, so that the connection between the probe and the liquid crystal screen corresponds.

Optionally, the crimping adjustment assembly includes a third driving member and a third transmission member, the third transmission member is connected with the probe pressing assembly and the product pressing assembly, and the third driving member drives the third transmission member and drives the probe to press. movement of the compression assembly and the product compression assembly.

The beneficial effects of the present utility model:

The utility model provides an automatic alignment and crimping lighting device for a liquid crystal screen. The liquid crystal screen is placed on the jig adjusting mechanism, and the product alignment mechanism is used to align the liquid crystal screen, and then the crimping mechanism crimps and lights the liquid crystal screen; The adjustment mechanism, the product alignment mechanism and the crimping mechanism are used to adjust the size, which realizes the compatibility of various LCD screens of different sizes, and realizes the automatic alignment and crimping lighting, thereby reducing the production cost and improving the production efficiency.

Description of drawings

1 is a schematic structural diagram of a liquid crystal screen automatic alignment crimp lighting device provided by a specific embodiment of the present invention;

2 is a schematic structural diagram of a fixture adjustment mechanism provided by a specific embodiment of the present invention;

3 is a schematic structural diagram of a fixture assembly provided by a specific embodiment of the present invention;

4 is a schematic structural diagram of a mobile jig assembly provided by a specific embodiment of the present invention;

5 is a schematic structural diagram of a first drive assembly provided by a specific embodiment of the present invention;

FIG. 6 is a schematic structural diagram of the first alignment component of the movable end provided by the specific embodiment of the present invention;

7 is a schematic structural diagram of a second drive assembly provided by a specific embodiment of the present invention;

FIG. 8 is a schematic structural diagram of the first alignment component of the fixed end provided by the specific embodiment of the present invention;

9 is a schematic structural diagram of a second positioning assembly provided by a specific embodiment of the present invention;

10 is a schematic structural diagram of a crimping mechanism provided by a specific embodiment of the present invention;

Fig. 11 is a partial enlarged view at A of Fig. 10;

12 is a schematic structural diagram of a crimping adjustment assembly provided by a specific embodiment of the present invention.

In the picture:

100-LCD screen; 101-first side; 102-second side;

1- Fixture adjustment mechanism; 2- Product alignment mechanism; 3- Crimping mechanism;

11-movable fixture assembly; 12-first drive assembly; 13-fixed fixture assembly;

111-transparent fixture; 112-active end; 113-driven end; 1131-auxiliary pulley; 121-first driving part; 122-first transmission part;

21 - the first alignment component at the fixed end; 22 - the first alignment component at the movable end; 23 - the second driving component; 24 - the first positioning component;

211 - the first alignment piece;

221-second alignment piece; 222-fine adjustment mechanism; 223-movement connection piece;

231 - the second driving part; 232 - the second transmission part; 233 - the moving mounting frame;

241-third alignment piece; 242-positioning plate; 243-first roller; 2421-long hole;

31-crimping driver; 32-buffer; 33-product pressing component; 34-probe pressing component; 35-spring component; 36-second positioning component; 37-crimping adjustment component;

341-probe; 361-thrust cylinder; 362-second roller; 371-third drive part; 372-guide part; 373-third transmission part.

Detailed ways

In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved more clearly, the technical solutions of the embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only Some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present invention.

In the description of the present invention, unless otherwise expressly specified and limited, the terms "connected", "connected" and "fixed" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or a fixed connection. It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be an internal connection between two elements or an interaction relationship between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

In the present invention, unless otherwise expressly specified and limited, a first feature "on" or "under" a second feature may include the first and second features in direct contact, or may include the first and second features The features are not in direct contact but through additional features between them. Also, the first feature being "above", "over" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature is "below", "below" and "below" the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature has a lower level than the second feature.

A liquid crystal screen automatic alignment crimping lighting device is used for lighting test of the liquid crystal screen 100, including a jig adjusting mechanism 1, a crimping mechanism 3 and a product alignment mechanism 2. As shown in FIG. 1 , the jig adjusting mechanism 1 is used to support the liquid crystal screen 100, and the jig adjusting mechanism 1 can be adjusted according to the size of the liquid crystal screen 100; the crimping mechanism 3 is used to crimp the liquid crystal screen 100 and light the light, and The position of the crimping mechanism 3 can be adjusted to be suitable for different liquid crystal screens 100 ; the product alignment mechanism 2 is used to position the liquid crystal screen 100 on the crimping mechanism 3 . The liquid crystal screen 100 is placed on the jig adjusting mechanism 1, the product alignment mechanism 2 is used to align the liquid crystal screen 100, and then the crimping mechanism 3 is used to crimp the liquid crystal screen 100 for lighting; through the jig adjusting mechanism 1, the product alignment mechanism 2 and the crimping mechanism 3 are adjusted in size, which realizes compatibility with liquid crystal screens 100 of various sizes, and realizes automatic alignment and crimping lighting, thereby reducing production costs and improving production efficiency.

Optionally, the jig adjusting mechanism 1 includes a moving jig assembly 11, a first driving assembly 12 and a fixed jig assembly 13. The first driving assembly 12 drives the moving jig assembly 11 to move so as to make the moving jig assembly 11 and the fixed jig assembly 11 move. The spacing of the tool components 13 is suitable for the size of the liquid crystal screen 100 . As shown in FIG. 2 , the fixed jig assembly 13 is fixed on one end of the frame of the liquid crystal screen 100 for automatic alignment and crimping of the lighting device, and the movable jig assembly 11 is arranged on one side of the fixed jig assembly 13 . The size determines the distance that the first driving component 12 drives the moving fixture component 11 to move, so that the two ends of the liquid crystal screen 100 are placed on the fixed fixture component 13 and the moving fixture component 11 respectively.

Optionally, in order to stably support the liquid crystal screen 100, referring to FIG. 2, the movable jig assembly 11 includes a plurality of transparent jigs 111 to increase the support for the liquid crystal screen 100; as shown in FIG. 3, the fixed jig assembly A plurality of transparent jigs 111 are arranged on the 13 to increase the width of the fixed jig assembly 13 . Optionally, the material of the transparent jig 111 is plexiglass, which has high mechanical properties and dielectric properties, and good insulation, so that the liquid crystal screen 100 can be stably supported, and electrical interference can be avoided during the detection process.

Optionally, as shown in FIG. 4 and FIG. 5 , the first drive assembly 12 includes a first drive member 121 and a first transmission member 122 , the first transmission member 122 is connected to the transparent fixture 111 , and the first drive assembly 12 drives the first transmission member 122 . A transmission member 122 drives the transparent jig 111 to move closer to or away from the fixed jig assembly 13 . Specifically, the first driving member 121 is a motor, and the first transmission member 122 is a ball screw nut pair. The motor drives the screw to rotate, and the screw nut is connected to the transparent fixture 111. When the motor rotates, the transparent fixture 111 is driven along the screw. Bar moves. More specifically, in order to ensure that the transparent jig 111 remains stable during the moving process, and to prevent the two ends of the transparent jig 111 from moving unsynchronized and offset, the transparent jig 111 is provided with a sliding guide rail at the end opposite to the first drive assembly 12 . mechanism; optionally, the two ends of the transparent fixture 111 are the active end 112 and the driven end 113 respectively, the active end 112 is connected with the lead screw through the screw nut, and the driven end 113 moves on the guide rail through the slider; optional On the ground, an auxiliary pulley 1131 is also installed on the driven end 113, the auxiliary pulley 1131 slides on the guide rail, reduces the frictional resistance of the transparent fixture 111 on the guide rail, and increases the contact area between the driven end 113 and the guide rail, so that the movement smooth.

Further optionally, two sets of first driving assemblies 12 are arranged on both sides of the moving jig assembly 11, so as to enhance the movement stability of the plurality of transparent jigs 111, so that the plurality of transparent jigs 111 can move the liquid crystals in an orderly manner. The screen 100 plays a supporting role.

Optionally, as shown in FIGS. 6-8 , the product alignment mechanism 2 includes a first alignment assembly 21 at the fixed end, a first alignment assembly 22 at the movable end and a second driving assembly 23 , and the first alignment assembly 21 at the fixed end. Opposite to the first alignment assembly 22 at the movable end, the second driving assembly 23 drives the first alignment assembly 22 at the movable end to move so that the first alignment assembly 22 at the movable end is close to or away from the first alignment assembly 21 at the fixed end so as to The positioning of the liquid crystal screens 100 of different sizes is guaranteed. Optionally, the liquid crystal screen 100 includes two sets of correspondingly arranged first side edges 101 and second side edges 102. In this embodiment, the first alignment component 21 at the fixed end and the first alignment component 22 at the movable end are used for Two second sides 102 are positioned.

Optionally, the second drive assembly 23 includes a second drive member 231 and a second transmission member 232, and the first alignment assembly 22 at the movable end is connected with the second transmission member 232; continue referring to FIGS. 6-8, in this embodiment, The second driving member 231 is a motor, the second transmission member 232 is a screw nut pair, and a movable mounting bracket 233 is installed on the screw nut. The component 223 is installed on the movable mounting frame 233, and the motor rotates to drive the movable end first alignment assembly 22 to move on the lead screw, and adjust the distance between the movable end first alignment assembly 22 and the fixed end first alignment assembly 21; Optionally, a guide rail slider pair is provided on the opposite side of the first alignment assembly 22 at the movable end and the second drive assembly 23, and the moving connector 223 at one end of the first alignment assembly 22 at the movable end is connected to the slider, so that the The first alignment component 22 of the movable end moves along the slide block pair of the guide rail to ensure smooth operation without deviation.

Specifically, the first alignment assembly 21 at the fixed end further includes a first alignment member 211, and the first alignment assembly 22 at the movable end includes a second alignment member 221. When the first alignment assembly 22 at the movable end moves in place, the The pair of positioning members 211 and the second positioning member 221 are used for clamping and positioning the liquid crystal screen 100 . Optionally, both the first aligning member 211 and the second aligning member 221 include a cylinder and a roller arranged on the cylinder, and the cylinder drives the roller to clamp and position the liquid crystal screen 100; Excellent performance such as processing and high mechanical strength, in order to avoid bumping and scratching the LCD screen 100, the roller can be made of polyetheretherketone material.

Optionally, the first alignment component 22 of the movable end includes a mounting plate, the second alignment member 221 is mounted on the mounting plate, and the mounting plate is mounted on the fine-tuning mechanism 222. According to the size of the liquid crystal screen 100, the fine-tuning mechanism 222 is used. The mounting plate is adjusted so that the second alignment member 221 can be aligned with the liquid crystal screen 100 to avoid offset during the positioning process; The mounting plate and the second aligning member 221 move up and down to avoid interference with the components below the first aligning member 22 at the movable end during the driving and moving process of the second driving member 23 .

Optionally, as shown in FIG. 9 , the product alignment mechanism 2 further includes a first positioning assembly 24 , the crimping mechanism 3 includes a second positioning assembly 36 disposed opposite the first positioning assembly 24 , the first positioning assembly 24 and the first positioning assembly 24 . The two positioning components 36 are used for positioning the liquid crystal screen 100 . In this embodiment, the first positioning assembly 24 and the second positioning assembly 36 are used for positioning the first side edge 101 . The deflection of the liquid crystal screen 100 in the direction along the second side edge 102 is avoided.

Continuing to refer to FIG. 9 , in this embodiment, the first positioning assembly 24 includes a positioning plate 242 and a third positioning member 241 for driving the positioning plate 242 to move. The positioning plate 242 is connected with a plurality of The first roller 243, the first roller 243 is used for positioning the liquid crystal screen 100, and a plurality of the first rollers 243 can increase the contact area with the liquid crystal screen 100, so that the positioning is stable and does not shift; optionally, a third alignment member 241 includes a slide cylinder; optionally, the positioning plate 242 is provided with a long hole 2421, and the positioning plate 242 is installed on the third alignment member 241 through the long hole 2421, and the position of the long hole 2421 can be adjusted to suit different size of the LCD screen 100. Further optionally, the roller can be made of polyetheretherketone material.

As shown in FIGS. 10 and 11 , optionally, the crimping mechanism 3 includes a probe pressing assembly 34 for clamping the liquid crystal screen 100 and a product pressing assembly 33 , and the probe pressing assembly 34 is provided with a The probe 341 connected to the liquid crystal screen 100, the probe 341 is connected to the liquid crystal screen 100 to realize crimping lighting; optionally, the crimping mechanism 3 further includes a crimping driver 31, a buffer 32 and a spring member 35, and the crimping driver The movable end of 31 is connected to the probe pressing assembly 34; the fixed end of the buffer 32 is connected to the probe pressing assembly 34, and the movable end of the buffer 32 is connected to the product pressing assembly 33; both ends of the spring member 35 Installed on the product pressing component 33 and the probe pressing component 34; when the crimping driver 31 drives the probe pressing component 34 to move up and contact the liquid crystal screen 100, the buffer member drives the product pressing component 33 under the reaction force Press down the liquid crystal screen 100 to make the liquid crystal screen 100 fully contact with the probes 341; after the crimping is completed, the crimping driving member 31 moves down and away from the liquid crystal screen 100, and the spring member 35 can drive the product pressing mechanism to lift up ; Optionally, the product pressing component 33 includes a pressing block in contact with the liquid crystal screen 100, and the pressing block is made of Teflon material, which can well prevent damage to the product.

Since the process edge widths of different batches of liquid crystal screens 100 may vary, in order to make the positioning of the probe 341 and the liquid crystal screen 100 accurate, it needs to be adjusted according to different process edges to ensure accurate alignment, so that the liquid crystal screen 100 and the liquid crystal screen 100 can be accurately positioned. The probe 341 is in good contact. In this embodiment, according to the different widths of the first side edges 101, the second positioning assembly 36 includes a thrust cylinder 361 and a second roller 362 connected to the thrust cylinder 361. The thrust cylinder 361 pushes the second roller 362 to the liquid crystal screen. The position of 100 is adjusted to ensure that the liquid crystal screen 100 is in good contact with the probe 341 . Optionally, according to the different widths of the process edges of the second side 102, the crimping mechanism 3 further includes a crimping adjustment component 37, and the crimping adjustment component 37 is used to drive the probe pressing component 34 and the product pressing component 33 to move, The probes 341 are made to correspond to the connection points of the liquid crystal screen 100, so as to avoid corresponding deviations and test errors.

As shown in FIG. 12 , optionally, the crimping adjustment assembly 37 includes a third driving member 371 and a third transmission member 373 . The third transmission member 373 is connected with the probe pressing assembly 34 and the product pressing assembly 33 . The driving member 371 drives the third transmission member 373 and drives the probe pressing assembly 34 and the product pressing assembly 33 to move. Optionally, the third driving member 371 is a motor, and the third transmission member 373 is a lead screw nut pair, and the motor drives the lead screw nut pair to drive the probe pressing assembly 34 and the product pressing assembly 33 to move; The adjustment assembly 37 further includes a guide member 372 , which can be a guide rail mechanism and is connected to the lead screw nut through a slider, so as to ensure that the probe pressing assembly 34 and the product pressing assembly 33 run smoothly and do not shift.

Further optionally, the process steps of automatically aligning the liquid crystal screen 100 and crimping the lighting device include:

S1: The jig adjusting mechanism 1 adjusts the position for placing liquid crystal screens 100 of different sizes;

S2: place the LCD screen 100;

S3: the second driving component 23 drives the first alignment component 22 at the movable end to adjust the position to adapt to the size of the liquid crystal screen 100;

S4: according to the width of the process edge of the first side 101 of the liquid crystal screen 100, the thrust cylinder 361 of the second positioning assembly 36 drives the second roller 362 to perform fine adjustment;

S5: Adjust the position of the second positioning member 221 to cooperate with the first positioning member 211 to clamp and position the second side 102 of the liquid crystal screen 100; the third positioning member 241 of the first positioning assembly 24 drives the positioning plate 242, Make the first roller 243 and the second positioning assembly 36 cooperate to clamp and position the two first sides 101 of the liquid crystal screen 100;

S6: According to the width of the process edge of the second side 102 of the liquid crystal screen 100, the crimping adjustment component 37 fine-tunes the positions of the probe pressing component 34 and the product pressing component 33, and adjusts to a position suitable for the liquid crystal screen 100, The probe 341 can be connected to the LCD screen 100;

S7: The crimping driver 31 is driven, and together with the buffer 32 drives the product pressing component 33 and the probe 341 pressing component 34 to press the liquid crystal screen 100, so that the probe 341 is fully in contact with the liquid crystal screen 100;

S8: After the test is completed, the crimping driving member 31 is reset, and the liquid crystal screen 100 is released together with the spring member 35;

S9: The liquid crystal screen 100 is removed.

Perform a screen test and cycle through S1-S9 in turn.

Obviously, the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, rather than limiting the implementation of the present invention. For those of ordinary skill in the art, changes or modifications in other different forms can also be made on the basis of the above description. There is no need and cannot be exhaustive of all implementations here. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included within the protection scope of the claims of the present utility model.

Claims (10)

1. An automatic alignment compression joint lighting device for a liquid crystal screen (100) is used for lighting test of the liquid crystal screen, and is characterized by comprising:

the jig adjusting mechanism (1) is used for supporting the liquid crystal screen (100), and the jig adjusting mechanism (1) can be adjusted according to the size of the liquid crystal screen (100);

the pressing mechanism (3) is used for pressing and lighting the liquid crystal screen (100), and the position of the pressing mechanism (3) can be adjusted to be suitable for different liquid crystal screens (100);

and the product alignment mechanism (2) is used for positioning the liquid crystal screen (100) on the compression joint mechanism (3).

2. The lcd screen automatic alignment, compression and lighting device according to claim 1, wherein the fixture adjusting mechanism (1) comprises a movable fixture component (11), a first driving component (12) and a fixed fixture component (13), the first driving component (12) drives the movable fixture component (11) to move so that the distance between the movable fixture component (11) and the fixed fixture component (13) is suitable for the size of the lcd screen (100).

3. The lcd screen automatic alignment, compression and lighting device according to claim 2, wherein the first driving assembly (12) comprises a first driving member (121) and a first transmission member (122), the movable fixture assembly (11) comprises a transparent fixture (111), the transparent fixture (111) is used for supporting the lcd screen (100), the first transmission member (122) is connected with the transparent fixture (111), and the first driving assembly (12) drives the first transmission member (122) and drives the transparent fixture (111) to move close to or away from the fixed fixture assembly (13).

4. The lcd screen automatic alignment, compression bonding and lighting device according to claim 1, wherein the product alignment mechanism (2) comprises a fixed end first alignment assembly (21), a movable end first alignment assembly (22) and a second driving assembly (23), the fixed end first alignment assembly (21) and the movable end first alignment assembly (22) are arranged oppositely, and the second driving assembly (23) drives the movable end first alignment assembly (22) to move so as to enable the movable end first alignment assembly (22) to be close to or far away from the fixed end first alignment assembly (21).

5. The lcd screen automatic alignment, compression bonding and lighting device according to claim 1, wherein the product alignment mechanism (2) comprises a first positioning component (24), the compression bonding mechanism (3) comprises a second positioning component (36) arranged opposite to the first positioning component (24), and the first positioning component (24) and the second positioning component (36) are used for positioning the lcd screen (100).

6. The LCD screen automatic alignment pressure welding lighting device according to claim 5, wherein the first positioning assembly (24) comprises a positioning plate (242) and a third alignment member (241) for driving the positioning plate (242) to move, the positioning plate (242) is connected with a plurality of first rollers (243) at one side close to the LCD screen (100), and the first rollers (243) are used for positioning the LCD screen (100).

7. The LCD screen automatic alignment crimping lighting device according to claim 6, characterized in that the positioning board (242) is provided with a long hole (2421), and the positioning board (242) is mounted on the third alignment element (241) through the long hole (2421).

8. The device for automatically aligning, crimping and lighting the liquid crystal screen according to claim 1, wherein the crimping mechanism (3) comprises a probe pressing component (34) and a product pressing component (33) for clamping the liquid crystal screen (100), and the probe pressing component (34) is provided with a probe (341) for connecting with the liquid crystal screen (100).

9. The device for automatically aligning, crimping and lighting the liquid crystal screen according to claim 8, wherein the crimping mechanism (3) further comprises a crimping adjusting assembly (37), the crimping adjusting assembly (37) is used for driving the probe pressing assembly (34) and the product pressing assembly (33) to move, so that the connection position of the probe (341) and the liquid crystal screen (100) corresponds.

10. The lcd screen automatic alignment, compression and lighting device of claim 9, wherein the compression and adjustment assembly (37) comprises a third driving member (371) and a third transmission member (373), the third transmission member (373) is connected to the probe compressing assembly (34) and the product compressing assembly (33), and the third driving member (371) drives the third transmission member (373) and drives the probe compressing assembly (34) and the product compressing assembly (33) to move.

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