Scratch-proof detection device for mobile phone display screen

By designing a rotating block and connecting rod, multi-angle detection of the display screen is achieved, solving the problem that existing devices cannot flexibly adjust their position and improving the detection effect.

CN223637316UActive Publication Date: 2025-12-05SHENZHEN YINUO OPTOELECTRONICS CO LTD
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Patent Information

Application Number
CN202422930523.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-29
Publication Date
2025-12-05
Estimated Expiration
2034-11-29

AI Technical Summary

Technical Problem

Existing scratch detection devices cannot flexibly adjust the position of the display screen, resulting in poor detection results.

Method used

The design incorporates rotating blocks, rings, and connecting rods. The rotating blocks, connected by bearings, allow the display screen to perform multi-directional detection, including vertical, diagonal, and horizontal orientations.

Benefits of technology

It enables multi-angle detection, improves detection results, and prevents defective products from entering the market.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an anti-scratch detection device for a mobile phone display screen, which relates to the technical field of mobile phone screen production detection, and adopts the technical scheme that the anti-scratch detection device comprises a detection table, a rotating block is embedded on the detection table, the rotating block is connected with the detection table through a bearing, a circular ring is sleeved outside the rotating block, and a plurality of connecting rods are fixedly connected between the circular ring and the rotating block; a plurality of through holes are formed in the rotating block; the vacuum suction cup is fixedly connected to the top of the rotating block; the beneficial effects of the utility model are that through the design of the rotating block, the circular ring and the connecting rod, the rotating block can be rotated by rotating the circular ring so as to drive the vacuum chuck to rotate, so that the display screen can be rotated, and the position of the display screen can be changed according to requirements during scratch-proof detection; in this way, the display screen can be scraped obliquely and transversely after being scraped vertically, so that the detection effect can be improved, and defective goods can be prevented from flowing into the market.
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Description

TECHNICAL FIELD

[0001] The utility model relates to mobile phone screen production detection technical field, concretely relates to a mobile phone display screen scratchproof detection device. BACKGROUND

[0002] Mobile phone screen is used to show image and color, so it is also called display screen, and the mobile phone display screen is composed of cover glass, touch screen and liquid crystal display screen, and the cover glass of the mobile phone display screen is exposed outside in use, wherein the display screen needs to be scratchproof during production to judge whether the batch of mobile phone display screen is qualified, and the scratchproof detection device needs to be used during sampling inspection.

[0003] The existing scratchproof detection device cannot adjust the position of the display screen when in use, so the direction of scratching on the display screen is specific during scratchproof detection, and the display screen cannot be scratched horizontally and obliquely after being scratched vertically, which leads to poor detection effect, and therefore needs to be improved.

[0004] Therefore, it is necessary to invent a mobile phone display screen scratchproof detection device. SUMMARY

[0005] Therefore, the utility model provides a mobile phone display screen scratchproof detection device to solve the problem in the background art.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme: a mobile phone display screen scratchproof detection device, comprising:

[0007] A detection table is embedded with a rotating block, the rotating block is connected with the detection table through a bearing, a circular ring is arranged outside the rotating block, a plurality of connecting rods are fixedly connected between the circular ring and the rotating block, and a plurality of through holes are formed in the rotating block.

[0008] A vacuum chuck is fixedly connected to the top of the rotating block.

[0009] An adapter block is fixedly connected to the top of the detection table, a movable rod is slidingly embedded in the adapter block, one end of the movable rod is embedded in one of the through holes, and the other end of the movable rod is fixedly connected with a pull block.

[0010] A spring is arranged outside the movable rod, and the two ends of the spring are fixedly connected with the pull block and the adapter block respectively.

[0011] A support is fixedly connected to the top of the detection table, and a detection assembly is arranged on the support.

[0012] Preferably, the plurality of through holes are uniformly distributed in a circumferential shape.

[0013] Preferably, the moving rod is in sliding contact with the through hole.

[0014] Preferably, three reinforcing rods are fixedly connected between the support and the detection table.

[0015] Preferably, the detection assembly comprises three electric push rods, the three electric push rods are fixedly embedded at the top of the support, the bottom end of each electric push rod is fixedly connected with a U-shaped frame, a fixed rod is fixedly connected in the U-shaped frame, and a sliding block is slidably arranged on the outer portion of the fixed rod.

[0016] Preferably, a scraper is fixedly connected to the bottom of the sliding block, the scraper is located directly above the vacuum chuck, an electric telescopic rod is fixedly connected to the rear side of the U-shaped frame, and the front end of the electric telescopic rod is fixedly connected to the rear side of the sliding block.

[0017] Preferably, a limiting rod is fixedly connected to the rear side of the U-shaped frame, the limiting rod penetrates through the top of the support and is in sliding connection with the support.

[0018] Preferably, support legs are fixedly connected to the four corners of the bottom of the detection table.

[0019] The display screen can be rotated, so that the position of the display screen can be changed according to requirements during scratch detection, and after vertical scratching, the display screen can be scratched obliquely or horizontally, so that the detection effect is improved and defective products can be prevented from flowing into the market. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only exemplary, and for those skilled in the art, other drawings can be derived from the provided drawings without creative labor.

[0021] The structures, proportions, sizes, etc. shown in the specification are only used to cooperate with the content disclosed in the specification, to be understood and read by those skilled in the art, and do not define the limiting conditions for the implementation of the present application, so they do not have technical significance. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the effects and purposes that can be achieved by the present application, should still fall within the scope of the technical content disclosed by the present application.

[0022] Figure 1 The overall structure schematic view provided by the present application is shown in the following figure:

[0023] Figure 2 The front view cross-sectional view provided by the utility model;

[0024] Figure 3 The utility model provides Figure 2 The A place enlarged view in

[0025] Figure 4 The top view cross-sectional view provided by the utility model;

[0026] Figure 5 The rear perspective view provided by the utility model;

[0027] In the drawing: 1, detection platform; 2, rotating block; 3, circular ring; 4, connecting rod; 5, through hole; 6, vacuum chuck; 7, link block; 8, moving rod; 9, pull block; 10, spring; 11, support; 12, reinforcing rod; 13, electric push rod; 14, U-shaped frame; 15, fixed rod; 16, sliding block; 17, scraper; 18, electric telescopic rod; 19, limiting rod; 20, supporting leg. DETAILED DESCRIPTION

[0028] The preferred embodiments of the utility model are described below in combination with the drawings, and it should be understood that the preferred embodiments described here are only used to illustrate and explain the utility model and are not used to limit the utility model.

[0029] Referring to the drawings Figure 1 - the drawings Figure 5 The utility model provides a kind of mobile phone display screen scratch detection device, comprising:

[0030] Detection platform 1, rotating block 2 is embedded on detection platform 1, rotating block 2 is connected with detection platform 1 by bearing, rotating block 2 is externally fitted with circular ring 3, and multiple connecting rods 4 are fixedly connected between circular ring 3 and rotating block 2, multiple through holes 5 are formed in rotating block 2;

[0031] Vacuum chuck 6 is fixedly connected at the top of rotating block 2;

[0032] Link block 7 is fixedly connected at the top of detection platform 1, and moving rod 8 is slidably embedded on link block 7, one end of moving rod 8 is embedded in one of through holes 5, and the other end of moving rod 8 is fixedly connected with pull block 9;

[0033] Spring 10 is fitted outside moving rod 8, and spring 10 is fixedly connected with pull block 9 and link block 7 at both ends respectively;

[0034] Support 11 is fixedly connected at the top of detection platform 1, and detection assembly is arranged on support 11;

[0035] Multiple through holes 5 are evenly distributed in circumferential shape, and moving rod 8 is in sliding contact with through hole 5;

[0036] In the embodiment, the rotating block 2, the circular ring 3 and the connecting rod are designed, the circular ring 3 is rotated to rotate the rotating block 2, thereby driving the vacuum chuck 6 to rotate, so that the display screen is rotated, and the position of the display screen can be changed according to requirements during scratch detection, so that the display screen can be scratched obliquely and horizontally after being scratched vertically.

[0037] In order to realize the purpose of increasing the stability of the support 11, the device adopts the following technical scheme: three reinforcing rods 12 are fixedly connected between the support 11 and the detection table 1, and the reinforcing rods 12 can increase the stability of the support 11.

[0038] In order to realize the purpose of scratch-proof testing, the device adopts the following technical scheme: the detection assembly comprises three electric push rods 13, the three electric push rods 13 are fixedly embedded at the top of the support 11, the bottom end of the three electric push rods 13 is fixedly connected with a U-shaped frame 14, the U-shaped frame 14 is fixedly connected with a fixed rod 15, the fixed rod 15 is slidably sleeved with a sliding block 16, the bottom of the sliding block 16 is fixedly connected with a scraper 17, the scraper 17 is located directly above the vacuum chuck 6, the rear side of the U-shaped frame 14 is fixedly connected with an electric telescopic rod 18, the front end of the electric telescopic rod 18 is fixedly connected with the rear side of the sliding block 16, the rear side of the U-shaped frame 14 is fixedly connected with a limiting rod 19, the limiting rod 19 penetrates through the top of the support 11 and is slidably connected with the same, and the detection assembly can be designed to perform scratch-proof testing on the display screen.

[0039] In order to realize the purpose of supporting, the device adopts the following technical scheme: the detection table 1 is fixedly connected with supporting legs 20 at the four corners of the bottom, and the supporting legs 20 can support the device.

[0040] The use process of the device is as follows: when the display screen needs to be subjected to scratch detection during production, the semi-finished display screen is placed on the vacuum chuck 6, then the vacuum chuck 6 is controlled to work to suck the display screen, then the three electric push rods 13 are controlled to work to move the U-shaped frame 14 and the components on the U-shaped frame 14 downward, so that the scraping teeth on the scraper 17 are in contact with the display screen, then the electric telescopic rod 18 is controlled to work, so that the sliding block 16 and the scraper 17 are continuously moved back and forth, so that the display screen can be scratched vertically.

[0041] After the vertical scraping is finished, the electric push rod 13 is controlled to move the U-shaped frame 14 and the components on the U-shaped frame 14 upward to reset, then the pull block 9 is pulled to move the moving rod 8 to the left, so that the moving rod 8 can be moved out of the through hole 5, and the spring 10 is compressed, then the ring 3 is rotated, so that the rotating block 2 is rotated, the rotating block 2 drives the vacuum chuck 6 to rotate, so that the display screen is rotated, the ring 3 is rotated to rotate the rotating block 2 by forty-five degrees, so that the next through hole 5 is located at the right side of the moving rod 8, at this time the rotation is stopped, then the spring 10 is rebounded to make the moving rod 8 clamped in the next through hole 5, then the same principle is used to perform the anti-scraping detection again, wherein the direction of scraping on the display screen this time is crossed with the direction of the first time, so that the oblique scraping is realized;

[0042] After the oblique scraping is finished, the same principle is used to rotate the rotating block 2 by forty-five degrees again, then the same principle is used to continue the anti-scraping detection, wherein the direction of scraping on the display screen this time is perpendicular to the direction of the first time, so that the horizontal scraping is realized;

[0043] After the anti-scraping detection is finished, whether clear scratches are left on the display screen is observed, then whether the display screen is qualified is judged according to the scratches, after the vertical scraping, the display screen can be obliquely scraped and horizontally scraped by the device, so that the detection effect is increased, and the defective products can be avoided to flow into the market.

[0044] The above is only a preferred embodiment of the present application, any skilled person in the art can modify the present application by using the technical solutions described above or modify it into an equivalent technical solution. Therefore, any simple modification or equivalent replacement according to the technical solutions of the present application is within the scope of protection of the present application.

Claims

1. A mobile phone display screen scratch detection device, characterized in that, The utility model relates to a kind of detection platform and detection device, including: Detection platform (1), rotating block (2) is embedded on the detection platform (1), rotating block (2) is connected with detection platform (1) by bearing, rotating block (2) is externally sleeved with circular ring (3), a plurality of connecting rods (4) are fixedly connected between circular ring (3) and rotating block (2), a plurality of through holes (5) are formed in rotating block (2); Vacuum chuck (6) is fixedly connected at the top of rotating block (2); Adapter block (7) is fixedly connected at the top of detection platform (1), slidingly embedded with moving rod (8) on adapter block (7), one end of moving rod (8) is embedded in one of through holes (5), the other end of moving rod (8) is fixedly connected with pull block (9); Spring (10) is sleeved outside moving rod (8), spring (10) is fixedly connected with pull block (9) and adapter block (7) respectively at both ends; Support (11) is fixedly connected at the top of detection platform (1), detection assembly is provided on support (11).

2. The apparatus for detecting scratches on a display screen of a mobile phone according to claim 1, wherein: A plurality of through holes (5) are uniformly distributed in a circle.

3. The apparatus of claim 1, wherein: Moving rod (8) is in sliding contact with through hole (5).

4. The apparatus for detecting scratches on a display screen of a mobile phone according to claim 1, wherein: Three reinforcing rods (12) are fixedly connected between support (11) and detection platform (1).

5. The apparatus for detecting scratches on a display screen of a mobile phone according to claim 1, wherein: The detection assembly includes three electric push rods (13), three electric push rods (13) are fixedly embedded at the top of support (11), U-shaped frame (14) is fixedly connected to the bottom of three electric push rods (13), fixed rod (15) is fixedly connected in U-shaped frame (14), slidingly sleeved with sliding block (16) outside fixed rod (15).

6. The apparatus for detecting scratches on a display screen of a mobile phone according to claim 5, wherein: Limiting rod (19) is fixedly connected to the rear side of U-shaped frame (14), limiting rod (19) penetrates through the top of support (11) and is slidably connected therewith.

7. The apparatus for detecting scratches on a display screen of a mobile phone according to claim 6, wherein: Limiting rod (19) penetrates through the top of support (11) and is slidably connected therewith.

8. The apparatus for detecting scratches on a display screen of a mobile phone according to claim 1, wherein: Supporting leg (20) is fixedly connected at the bottom of detection platform (1) in four corners.