Screen quality inspection device

Abstract

The utility model relates to a screen quality inspection device in the field of screen quality inspection, which comprises a base and a moving module mounted on the base, a support plate is arranged at the output end of the moving module, a driving part is mounted on the support plate, a touch pen capable of sliding up and down is arranged at the output end of the driving part, and the touch pen is mounted on the base. A plurality of positioning blocks are arranged on the base, quick release assemblies are mounted on the positioning blocks, and a plurality of mounting holes matched with the quick release assemblies are formed in the base in a penetrating manner. According to the utility model, the mobile module is matched with the driving piece, so that the touch pen can carry out scribing and point contact testing on the screen, and various performance indexes of the screen can be accurately evaluated. And through the arrangement of the quick release assembly, the positioning block can be quickly butted with and separated from the mounting hole, so that the position of the positioning block can be quickly adjusted according to the size change of the screen, the adjustment time is greatly shortened, and the quality inspection efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of screen quality inspection, specifically to a screen quality inspection device. Background Technology

[0002] As a crucial component of electronic devices, the screen plays a key role in converting electrical signals into visually perceptible images. It is widely used in various consumer electronics, industrial equipment, and medical instruments. To ensure screen display quality, quality inspection equipment performs tests such as scribing and touch detection to examine the screen's responsiveness, accuracy, and sensitivity, thereby evaluating its performance and ensuring its stability and reliability under various usage environments.

[0003] Existing screen quality inspection devices use a positioning block and a stylus in tandem to position and install the screen, and perform marking and touch tests. However, because the positioning block is fixed with bolts, when the screen size changes and the positioning block needs to be adjusted, the bolts must be repeatedly tightened to adjust and fix the positioning block. This operation is cumbersome and time-consuming, thus affecting the quality inspection efficiency. Therefore, this utility model proposes a screen quality inspection device with a positioning block that can be quickly disassembled. Summary of the Invention

[0004] This invention provides a screen quality inspection device that solves the problem of cumbersome adjustment of the positioning block in existing screen quality inspection devices by setting up a quick-release component.

[0005] The objective of this utility model is achieved through the following means:

[0006] A screen quality inspection device includes a base and a mobile module mounted on the base. The output end of the mobile module is provided with a support plate, and a driving component is mounted on the support plate. The output end of the driving component is provided with a stylus that can slide up and down. The base is provided with a plurality of positioning blocks, and quick-release components are mounted on the positioning blocks. The base is provided with a plurality of mounting holes that cooperate with the quick-release components.

[0007] Furthermore, the quick-release assembly includes an elastic claw and a slidable limiting rod. The elastic claw and the limiting rod are respectively installed at both ends of the positioning block through a fixing block. One end of the limiting rod is provided with an adjusting block. The fixing block is provided with a limiting structure that cooperates with the limiting rod. A return spring is provided between the adjusting block and the fixing block.

[0008] Furthermore, the elastic claw includes a fixed part and several elastic parts, the elastic parts extending inward at one end of the fixed part, and the end of the elastic part away from the fixed part is provided with a fixed claw.

[0009] Furthermore, the limiting structure is a limiting groove, which is located on the inner side of the fixing block, and the outer side of the limiting rod is provided with a limiting block that cooperates with the limiting groove.

[0010] Furthermore, the cross-section of the positioning block is circular or rectangular.

[0011] Furthermore, the number of styluses is two or more.

[0012] Furthermore, the stylus includes a pen body, a connector, and a detachable pen tip. One end of the pen body is provided with a sleeve for fixing the pen tip, and the connector is located at the other end of the pen body and is connected to the output end of the drive unit.

[0013] Furthermore, the support plate is provided with a guide sleeve that slides in conjunction with the stylus.

[0014] The beneficial effects of this invention are as follows: By cooperating with the moving module and the driving component, the stylus can perform line drawing and touch tests on the screen, thereby accurately evaluating various performance indicators of the screen. Furthermore, the quick-release component allows the positioning block to quickly align and separate from the mounting holes, enabling rapid adjustment of the positioning block's position according to changes in screen size, significantly reducing adjustment time and improving quality inspection efficiency. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of a screen quality inspection device according to the present invention;

[0016] Figure 2 for Figure 2 Enlarged diagram of A in the middle;

[0017] Figure 3 This is a partial cross-sectional view of a screen quality inspection device according to the present invention;

[0018] Figure 4 This is a cross-sectional view of the quick-release component in this utility model;

[0019] Figure 5 This is an exploded view of the quick-release component in this utility model;

[0020] The reference numerals in the figure are as follows: 1-base, 11-positioning block, 12-mounting hole, 2-moving module, 3-support plate, 31-guide sleeve, 4-driving component, 5-stylus, 51-pen body, 52-connector, 53-pen tip, 54-sleeve, 6-quick release assembly, 61-elastic claw, 611-fixed part, 612-elastic part, 613-fixed claw, 62-limiting rod, 621-limiting block, 63-fixing block, 631-limiting groove, 64-adjusting block, 65-reset spring. Detailed Implementation

[0021] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0022] In this embodiment, refer to Figure 1 - Figure 5 The screen quality inspection device specifically implemented includes a base 1 and a movable module 2 mounted on the base 1. A support plate 3 is provided on the output end of the movable module 2, and a driving component 4 is mounted on the support plate 3. A stylus 5 that can slide up and down is provided on the output end of the driving component 4. Several positioning blocks 11 are provided on the base 1, and quick-release components 6 are mounted on the positioning blocks 11. Several mounting holes 12 that cooperate with the quick-release components 6 are provided through the base 1. Through the cooperation of the movable module 2 and the driving component 4, the stylus 5 can perform three-dimensional movement, thereby performing line drawing and touch operations on the screen, accurately inspecting various areas of the screen, and ensuring quality inspection efficiency and accuracy.

[0023] The quick-release assembly 6 includes an elastic claw 61 and a slidable limiting rod 62. The elastic claw 61 and the limiting rod 62 are respectively installed at both ends of the positioning block 11 via a fixing block 63. One end of the limiting rod 62 is provided with an adjusting block 64. The fixing block 63 is provided with a limiting structure that cooperates with the limiting rod 62. A return spring 65 is provided between the adjusting block 64 and the fixing block 63. The outer side of the fixing block 63 is provided with a threaded structure. By rotating the fixing block 63, the elastic claw 61 is fixed to one end of the positioning block 11, while the limiting rod 62 can only slide at the other end of the positioning block 11, thereby preventing the limiting rod 62 from accidentally falling off during operation and ensuring the stability of the device. The adjusting block 64 is fixedly installed to one end of the limiting rod 62 by bolts. One end of the limiting rod 62 is provided with a pressing head that cooperates with the elastic claw 61. When the pressing head contacts the elastic claw 61, the elastic claw 61 expands outward and clamps the mounting hole 12, realizing the quick fixation of the positioning block 11. When the extrusion head disengages from the elastic claw 61, the elastic claw 61 returns to its original position through elastic force, thereby loosening the mounting hole 12 and allowing the positioning block 11 to be flexibly disassembled.

[0024] In use, by adjusting the block 64, the limiting rod 62 is made to cooperate with the limiting structure on the fixed block 63, so that the elastic claw 61 is close to or loosened from the mounting hole 12, thereby realizing the quick installation or removal of the positioning block 11. The setting of the reset spring 65 makes the limiting rod 62 fit tightly with the limiting structure, thereby avoiding the displacement of the limiting rod 62 due to vibration during operation, which would affect the positioning effect of the positioning block 11.

[0025] The elastic claw 61 includes a fixed part 611 and several elastic parts 612. The elastic parts 612 extend inward at one end of the fixed part 611, and a fixed claw 613 is provided at the end of the elastic part 612 away from the fixed part 611. The elastic parts 612 are used to cooperate with the extrusion head to cause the fixed claws 613 to expand or contract outward. When the extrusion head extrudes towards the fixed claws 613, the elastic parts 612 are deformed by pressure, and the fixed claws 613 open and lock into the mounting hole 12; conversely, when the extrusion head is removed, the elastic parts 612 cause the fixed claws 613 to contract through elastic restoring force, thereby releasing the mounting hole 12.

[0026] In this embodiment, the limiting structure is a limiting groove 631, which is located inside the fixing block 63. A limiting block 621, which mates with the limiting groove 631, is located on the outside of the limiting rod 62. The limiting groove 631 has an installation slot and a disassembly slot. By pressing and rotating the adjusting block 64, the limiting block 621 mates with the installation slot or the disassembly slot, enabling the fixing claw 613 to be quickly fixed or released, ensuring efficient installation and disassembly.

[0027] The positioning block 11 has a circular or rectangular cross-section. The circular or rectangular positioning block 11 forms point contact or surface contact with the screen, respectively. By selecting different shapes of the positioning block 11, the contact requirements of different screens can be adapted, improving operational flexibility. Point contact is suitable for high-precision area detection, while surface contact ensures the stability of large-area operations, ensuring efficient and accurate quality inspection operations in various usage scenarios.

[0028] The number of styluses 5 is two or more. In this embodiment, two styluses 5 are provided, and both styluses 5 are connected and cooperate with the output end of the driver 4. Through the synchronous operation of the two styluses 5, the screen is simultaneously drawn or clicked to test the screen's response speed and accuracy under multi-touch points, ensuring that the screen can maintain efficient and stable performance under complex operations and improving the overall testing efficiency.

[0029] The stylus 5 includes a pen body 51, a connector 52, and a detachable pen tip 53. One end of the pen body 51 has a sleeve 54 for securing the pen tip 53. The connector 52 is located at the other end of the pen body 51 and connects to the output end of the driver 4. The pen tip 53 is mounted to one end of the pen body 51 via the sleeve 54. The sleeve 54 and the pen body 51 are connected by threads, thus firmly fixing the pen tip 53 to the pen body 51. When the pen tip 53 needs to be replaced, simply unscrew the sleeve 54 to easily remove and replace it. The connector 52 connects to the output end of the driver 4 via a pin or similar means, ensuring that the stylus 5 can slide along with the output of the driver 4, thereby enabling click or draw operations.

[0030] A guide sleeve 31 is provided on the support plate 3 to slide with the stylus 5. The guide sleeve 31 is precisely fixed on the support plate 3, achieving precise alignment with the drive component 4. This precise alignment ensures that the stylus 5 can move smoothly along a predetermined trajectory, thereby effectively reducing errors during movement and significantly improving the accuracy of the test. The inner wall of the guide sleeve 31 is finely machined with a smooth surface, greatly reducing the friction between the stylus 5 and the inner wall of the guide sleeve 31 during movement. This low-friction design not only helps extend the service life of the guide sleeve 31 and the stylus 5, but also ensures that the equipment can operate stably for a long time, thereby improving the overall work efficiency and reliability.

[0031] The beneficial effects of this utility model are as follows: Through the cooperation of the moving module 2 and the driving component 4, the stylus 5 can perform line drawing and touch tests on the screen, thereby accurately evaluating various performance indicators of the screen. Furthermore, the quick-release component 6 allows the positioning block 11 to quickly align and separate from the mounting hole 12, enabling rapid adjustment of the position of the positioning block 11 according to changes in screen size, thus significantly shortening adjustment time and improving quality inspection efficiency.

[0032] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some changes or modifications to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simple modifications, equivalent changes, and modifications made to the above embodiments based on the present utility model without departing from the scope of the present utility model shall fall within the scope of the present utility model.

Claims

1. A screen quality inspection device, comprising a base (1) and a movable module (2) mounted on the base (1), wherein a support plate (3) is provided on the output end of the movable module (2), a driving component (4) is mounted on the support plate (3), a stylus (5) that can slide up and down is provided on the output end of the driving component (4), and a plurality of positioning blocks (11) are provided on the base (1), characterized in that: The positioning block (11) is equipped with a quick-release assembly (6), and the base (1) is provided with a plurality of mounting holes (12) that cooperate with the quick-release assembly (6).

2. The screen quality inspection device of claim 1, wherein: The quick-release assembly (6) includes an elastic claw (61) and a slidable limiting rod (62). The elastic claw (61) and the limiting rod (62) are respectively installed at both ends of the positioning block (11) through a fixing block (63). One end of the limiting rod (62) is provided with an adjusting block (64). The fixing block (63) is provided with a limiting structure that cooperates with the limiting rod (62). A return spring (65) is provided between the adjusting block (64) and the fixing block (63).

3. The screen quality inspection device of claim 2, wherein: The elastic claw (61) includes a fixed part (611) and a plurality of elastic parts (612). The elastic parts (612) extend inwardly along one end of the fixed part (611), and a fixed claw (613) is provided at the end of the elastic part (612) away from the fixed part (611).

4. The screen quality inspection device of claim 2, wherein: The limiting structure is a limiting groove (631), which is located on the inner side of the fixing block (63). The outer side of the limiting rod (62) is provided with a limiting block (621) that cooperates with the limiting groove (631).

5. The screen quality inspection device according to any one of claims 1-4, characterized in that: The cross-section of the positioning block (11) is circular or rectangular.

6. The screen quality inspection device of claim 1, wherein: The number of styluses (5) is two or more.

7. The screen quality inspection device according to claim 1 or 6, characterized in that: The stylus (5) includes a pen body (51), a connector (52) and a detachable pen tip (53). One end of the pen body (51) is provided with a sleeve (54) for fixing the pen tip (53). The connector (52) is located at the other end of the pen body (51) and is connected to the output end of the drive unit (4).

8. The screen quality inspection device according to claim 1 or 6, characterized in that: The support plate (3) is provided with a guide sleeve (31) that slides with the stylus (5).

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