Compression resistance detection device for liquid crystal display screen production

By designing a liquid crystal display screen pressure testing device with a detachable lifting plate and a testing pressure block, the problem of insufficient testing in the existing technology is solved, and accurate testing of different positions and pressure areas of the liquid crystal display screen is achieved.

CN224051796UActive Publication Date: 2026-03-27SHENZHEN HUICAI ELECTRONIC DISPLAY TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-16
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing methods for testing the pressure resistance of LCD screens are limited and cannot be used to test different parts, resulting in incomplete testing.

Method used

A pressure testing device for LCD screen production was designed, comprising a detachable lifting plate and multiple testing blocks. The lifting plate and testing blocks are flexibly adjusted in position and pressure area by an electric push rod, and the device is combined with a pressure sensor for detection.

Benefits of technology

It enables precise detection of different positions and pressure areas of the LCD screen, improving the comprehensiveness and accuracy of the detection.

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Abstract

The utility model provides a pressure resistance detection device for liquid crystal display screen production, which belongs to the field of pressure resistance detection of liquid crystal display screens and comprises a support, a mounting plate is mounted on the support, and a mounting frame is mounted at the upper end of the mounting plate; a compression resistance detection mechanism; the compression resistance detection mechanism comprises a lifting plate which can be detachably mounted on the mounting frame and can move up and down, a plurality of detection pressing blocks are fixed to the bottom of the lifting plate, a supporting plate is fixed to the upper end of the mounting plate, a plurality of pressure sensors are fixed to the upper end of the supporting plate, and supporting blocks are fixed to the upper ends of the pressure sensors; the supporting block and the detection pressing block are oppositely arranged. According to the utility model, different positions of the liquid crystal display screen can be detected by arranging the detection pressing blocks at different positions, and different positions or different pressure areas of the liquid crystal display screen can be detected by arranging the detachable lifting plate and the detection pressing blocks, so that the detection of the liquid crystal display screen is more comprehensive.
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Description

TECHNICAL FIELD

[0001] The utility model relates to crystal display screen pressure resistance detection technical field especially relates to a kind of pressure resistance detection device for liquid crystal display screen production. BACKGROUND

[0002] Liquid crystal display screen pressure resistance detection is mainly through simulating the pressure that screen can be subjected to in actual use process, to detect the pressure resistance and display effect of screen.This test method can effectively evaluate the performance of screen when subjected to external force compression, to ensure the stability and durability of product.

[0003] When liquid crystal display screen is subjected to pressure resistance detection, it needs to be extracted from a batch of display screens for detection, and the current detection method is mainly to press the whole display screen, which can detect the pressure resistance of liquid crystal display screen, but the detection method is single, cannot detect different parts of liquid crystal display screen, and cannot further detect the pressure resistance of liquid crystal display screen;Therefore, the present application provides a kind of pressure resistance detection device for liquid crystal display screen production. UTILITY MODEL CONTENT

[0004] In view of the deficiencies in the prior art, the utility model provides a kind of pressure resistance detection device for liquid crystal display screen production.

[0005] The embodiment of the utility model provides a kind of pressure resistance detection device for liquid crystal display screen production, comprising:

[0006] Support, installation plate is installed on the support, the upper end of the installation plate is installed with mounting bracket;

[0007] Pressure resistance detection mechanism;The pressure resistance detection mechanism includes lift plate that can be detachably installed on mounting bracket and can go up and down, the bottom of the lift plate is fixed with multiple detection pressure blocks, the upper end of the installation plate is fixed with support plate, the upper end of the support plate is fixed with multiple pressure sensors, the upper end of the pressure sensor is fixed with support block, and the support block is oppositely arranged with detection pressure block.

[0008] Further, two electric push rods are installed on the mounting bracket, and the output ends of the two electric push rods are connected with the lift plate through connecting mechanism.

[0009] Further, the connecting mechanism includes mounting frame fixed on the upper end of the lift plate, the output end of the electric push rod is fixed with connecting block, the connecting block is slidingly connected in the mounting frame, the connecting block is provided with lock slot, the mounting frame is provided with lock pin slidingly connected therewith, and the lock pin is slidingly connected in the lock slot.

[0010] Further, the lock pin is fixed with spring, and the other end of the spring is fixedly connected with the mounting frame.

[0011] Furthermore, multiple detection blocks are staggered at the bottom of the lifting plate.

[0012] Furthermore, the bottom of the bracket is fixed with multiple anti-slip pads, which are made of rubber.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] This invention features detection blocks at different positions to detect different parts of the LCD screen. The detachable lifting plate and detection blocks also allow for detection at different positions or under different pressure areas, resulting in a more comprehensive inspection of the LCD screen. Attached Figure Description

[0015] Fig. 1 This is a schematic diagram of the structure of a pressure resistance testing device for liquid crystal display production as described in an embodiment of this utility model.

[0016] Fig. 2 This is a bottom view of a pressure resistance testing device for liquid crystal display production as described in an embodiment of this utility model.

[0017] Fig. 3 This is a schematic diagram of the mounting frame in a pressure resistance testing device for liquid crystal display production, as described in an embodiment of this utility model.

[0018] In the above attached figures: 1 bracket, 2 mounting plate, 3 mounting bracket, 4 electric push rod, 5 support plate, 6 support block, 7 pressure sensor, 8 lifting plate, 9 detection pressure block, 10 mounting frame, 11 drive rod, 12 connecting block, 13 locking groove, 14 locking pin, 15 spring. Detailed Implementation

[0019] The technical solution of this utility model will be further described below with reference to the accompanying drawings and embodiments.

[0020] like Figs. 1-3 As shown in the figure, this utility model embodiment proposes a pressure resistance testing device for liquid crystal display production, comprising:

[0021] The bracket 1 has multiple anti-slip pads fixed to its bottom. The anti-slip pads are made of rubber, which can provide stable support for the bracket 1. The bracket 1 is equipped with a mounting plate 2, and the mounting plate 2 is equipped with a mounting bracket 3.

[0022] The anti-pressure detection mechanism comprises a lifting plate 8 which can be detachably installed on the mounting frame 3 and can be lifted up and down, the bottom of the lifting plate 8 is fixed with a plurality of detection pressure blocks 9 which are distributed in a staggered manner on the bottom of the lifting plate 8; two electric push rods 4 are installed on the mounting frame 3, the output ends of the two electric push rods 4 are connected with the lifting plate 8 through a connecting mechanism, the two electric push rods 4 can drive the lifting of the lifting plate 8 when working, thereby realizing the lifting of the detection pressure blocks 9.

[0023] In order to realize the disassembly of the lifting plate 8, the connecting mechanism comprises a mounting frame 10 fixed on the upper end of the lifting plate 8, a connecting block 12 fixed on the output end of the electric push rod 4, a driving rod 11 fixed on the output end of the electric push rod 4, and the connecting block 12 is fixedly connected with the driving rod 11; the connecting block 12 is slidingly connected in the mounting frame 10, the connecting block 12 is provided with a locking groove 13, the mounting frame 10 is provided with a locking pin 14 which is slidingly connected therewith, the locking pin 14 is slidingly connected in the locking groove 13, in order to ensure that the locking pin 14 is stably buckled in the locking groove 13, the locking pin 14 is fixedly connected with a spring 15, the other end of the spring 15 is fixedly connected with the mounting frame 10, so as to realize the installation of the lifting plate 8.

[0024] When the lifting plate 8 needs to be disassembled, the detection pressure blocks 9 can be disassembled and replaced; the staff can pull the locking pin 14 out of the locking groove 13, at this time the connecting block 12 is no longer limited, the mounting frame 10 and the connecting block 12 can be disassembled, so that the lifting plate 8 can be disassembled, other lifting plates 8 can be produced, the position distribution of the detection pressure blocks 9 on the bottom of the lifting plate 8 or the size distribution of the detection pressure blocks 9 is different, so that the replacement of the lifting plate 8 can replace the detection pressure blocks 9, and the different positions or different pressure areas of the liquid crystal display screen can be detected, so that the detection of the liquid crystal display screen is more comprehensive.

[0025] The upper end of the mounting plate 2 is fixed with a supporting plate 5, the upper end of the supporting plate 5 is fixed with a plurality of pressure sensors 7 (connected with external devices to know the pressure value, which is prior art), the upper end of the pressure sensor 7 is fixed with a supporting block 6, the supporting block 6 is arranged opposite to the detection pressure block 9; during detection, the staff places the sampled liquid crystal display screen on the supporting plate 5, and then starts the electric push rod 4 to drive the driving rod 11, the lifting plate 8 and the detection pressure block 9 to move downward, finally the detection pressure block 9 abuts against the liquid crystal display screen, different detection pressure blocks 9 abut against different positions of the liquid crystal display screen, so that the pressure detection of different positions of the liquid crystal display screen can be realized, and the setting of a plurality of pressure sensors 7 can detect the pressure value borne by different display screens or the pressure value when the display screen is damaged.

[0026] Finally, it is explained that the above embodiments are only used to illustrate the technical solutions of the present application and are not limited. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced by equivalents without departing from the purpose and scope of the present application. The technical solutions of the present application should be covered in the scope of the claims of the present application.

Claims

1. A compression resistance testing device for liquid crystal display panel production, characterized by, Including: Support (1), the mounting plate (2) is installed on the support (1), the mounting frame (3) is installed on the upper end of the mounting plate (2); Compression detection mechanism; the compression detection mechanism comprises a lifting plate (8) which can be detachably installed on the mounting frame (3) and can be lifted up and down, a plurality of detection pressure blocks (9) are fixed to the bottom of the lifting plate (8), a supporting plate (5) is fixed to the upper end of the mounting plate (2), a plurality of pressure sensors (7) are fixed to the upper end of the supporting plate (5), a supporting block (6) is fixed to the upper end of the pressure sensor (7), and the supporting block (6) is arranged opposite to the detection pressure block (9).

2. The compression detection device for liquid crystal display production according to claim 1, wherein Wherein: Two electric push rods (4) are installed on the mounting frame (3), and the output ends of the two electric push rods (4) are connected with the lifting plate (8) through a connecting mechanism.

3. The compression detection device for liquid crystal display production according to claim 2, characterized in that, Wherein: The connecting mechanism comprises a mounting frame (10) fixed to the upper end of the lifting plate (8), the output end of the electric push rod (4) is fixed with a connecting block (12), the connecting block (12) is slidingly connected in the mounting frame (10), the connecting block (12) is provided with a lock groove (13), the mounting frame (10) is provided with a lock pin (14) which is slidingly connected therewith, and the lock pin (14) is slidingly connected in the lock groove (13).

4. The compression detection device for liquid crystal display panel production according to claim 3, characterized in that, Wherein: The lock pin (14) is fixed with a spring (15), and the other end of the spring (15) is fixedly connected with the mounting frame (10).

5. The compression detection device for liquid crystal display panel production according to claim 1, characterized in that, Wherein: A plurality of detection pressure blocks (9) are distributed in the bottom of the lifting plate (8).

6. The compression detection device for liquid crystal display panel production according to claim 1, characterized in that, Wherein: A plurality of anti-skid pads are fixed to the bottom of the support (1), and the anti-skid pads are made of rubber material.