Desktop type general silk-screen defect detector

Abstract

The utility model discloses a desktop type general silk-screen defect detector, which belongs to the technical field of silk-screen defect detection and is used for detecting a touch display screen, the detector comprises a feeding part, the feeding part comprises a feeding light source and a calibration plate, the feeding light source is positioned below the calibration plate, and a plurality of calibration lines are arranged on the calibration plate; the positioning part is positioned above the calibration plate so as to perform visual positioning on the touch display screen to be detected; the detection part comprises a first module, a second module and a detection camera, the first module and the second module respectively drive the detection camera to move along a first direction and a second direction, and the detection camera detects the touch display screen to be detected. According to the utility model, the touch display screen can be rapidly detected, comprehensive detection of the touch display screen is realized, manual detection operation is not needed, false detection or missing detection caused by manual operation is completely eradicated, and the detection precision is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of silk screen defect detection, in particular to a desktop universal silk screen defect detection machine. Background Art

[0002] A touch screen display is a liquid crystal display device with an integrated touch function. It allows users to directly operate computers or other devices by touching icons or text on the screen with their fingers or other objects, thus getting rid of the traditional keyboard and mouse operation method and making human-computer interaction more intuitive and convenient.

[0003] Due to the diversity of irregular sizes of touch screens, existing testing equipment is not compatible with testing touch screens of various sizes and specifications. Currently, most touch screen inspections are carried out by manual visual inspection followed by three-dimensional spot inspections. However, this approach often results in false detections and missed detections, is greatly affected by human errors, has low precision control, and cannot achieve 100% full inspection. This leads to low production capacity, resulting in a large waste of manpower, material and financial resources, and cannot well control the quality of product inspections. Utility Model Content

[0004] The utility model overcomes the deficiencies of the prior art and provides a desktop universal silk screen defect detection machine to solve the problems existing in the prior art.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is: a desktop universal screen printing defect detection machine for detecting touch screens, the detection machine includes

[0006] A loading part, comprising a loading light source and a calibration plate, wherein the loading light source is located below the calibration plate, and a plurality of calibration lines are provided on the calibration plate;

[0007] A positioning portion, the positioning portion being located above the calibration plate to perform visual positioning on the touch display screen to be detected;

[0008] The detection unit includes a first module, a second module and a detection camera. The first module and the second module drive the detection camera to move along a first direction and a second direction respectively. The detection camera detects the touch display screen to be detected.

[0009] In a preferred embodiment of the present invention, the detection machine further comprises a mounting base;

[0010] The feeding portion is arranged on the mounting base plate via a support block;

[0011] The positioning portion and the detection portion are both connected to the mounting base plate through a bracket.

[0012] In a preferred embodiment of the present invention, optical glass is provided between the loading light source and the calibration plate.

[0013] In a preferred embodiment of the present invention, the positioning portion includes a positioning module and a positioning camera. The positioning camera moves along the length direction of the positioning module, and the positioning camera is located directly above the touch screen to be detected to position the touch screen to be detected.

[0014] In a preferred embodiment of the present invention, the positioning camera and the detection camera are staggered to respectively realize positioning and detection of the touch display screen to be detected.

[0015] In a preferred embodiment of the present invention, both the detection camera end and the positioning camera end are provided with industrial lenses.

[0016] The present invention solves the defects in the background technology and has the following beneficial effects:

[0017] (1) The desktop universal screen printing defect detection machine of the utility model can quickly detect the touch screen display screen, realize the comprehensive detection of the touch screen display screen, and eliminate the need for manual detection operation, thereby eliminating the false detection or missed detection caused by manual operation, improving the detection accuracy, and effectively reducing the waste of manpower and material resources, and reducing the cost expenditure;

[0018] (2) The utility model can be applied to the smooth detection of touch screens of different sizes and specifications, and has stronger compatibility. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention is further described below with reference to the accompanying drawings and embodiments;

[0020] Figure 1 This is a schematic diagram of the overall structure of a preferred embodiment of the utility model;

[0021] Figure 2 This is a structural diagram of the feeding part of the preferred embodiment of the utility model;

[0022] Figure 3 This is a structural diagram of the positioning portion of a preferred embodiment of the utility model;

[0023] Figure 4 This is a schematic structural diagram of the detection unit of a preferred embodiment of the utility model;

[0024] In the figure: 10, loading part; 11, loading light source; 12, calibration plate; 121, calibration line; 20, positioning part; 21, positioning module; 22, positioning camera; 30, detection part; 31, first module; 32, second module; 33, detection camera; 40, mounting base; 50, support block; 60, bracket; 70, optical glass; 80, industrial lens. DETAILED DESCRIPTION

[0025] The present invention will be further described below with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it. However, the embodiments are not intended to limit the present invention.

[0026] This embodiment provides a desktop universal silk screen defect detection machine for detecting touch screen displays. The desktop universal silk screen defect detection machine can quickly detect touch screen displays, realize comprehensive detection of touch screen displays, and eliminate the need for manual detection operations, thereby eliminating false detections or missed detections caused by manual operations, improving detection accuracy, and effectively reducing waste of manpower and material resources, thereby reducing cost expenditures.

[0027] Combine Figures 1 to 4 As shown, the desktop universal silk screen defect detection machine of this embodiment includes a loading part 10, a positioning part 20 and a detection part 30. The loading part 10 positions the touch screen display, the positioning part 20 positions the touch screen display after loading is completed, and the detection part 30 detects the positioned touch screen display.

[0028] In this embodiment, the detection machine also includes a mounting base plate 40, the loading part 10 is arranged on the mounting base plate 40 through a support block 50, and the positioning part 20 and the detection part 30 are both connected to the mounting base plate 40 through a bracket 60. The mounting base plate 40 in this embodiment stably installs the loading part 10, the positioning part 20 and the detection part 30, and can perform loading, positioning and detection operations on the touch display screen in turn.

[0029] Combine Figure 1 and Figure 2 As shown, the loading part 10 of this embodiment includes a loading light source 11 and a calibration plate 12. The loading light source 11 is located below the calibration plate 12. A number of calibration lines 121 are provided on the calibration plate 12. The loading light source 11 is arranged below the calibration plate 12 and can provide a light source in the subsequent positioning and detection process. The calibration lines 121 on the calibration plate 12 calibrate and position the positioning part 20 and the detection part 30 so as to position and detect the touch display screen.

[0030] In this embodiment, an optical glass 70 is arranged between the loading light source 11 and the calibration plate 12. The optical glass 70 transmits the light generated by the loading light source 11, thereby mapping it onto the touch display screen for subsequent positioning and detection. In the actual use of the loading part 10, the touch display screen is placed on the calibration plate 12, and its position is within the range of the optical glass 70.

[0031] Combine Figure 1 and Figure 3 As shown, the positioning part 20 of this embodiment is located above the calibration plate 12 to visually locate the touch display screen to be detected. The positioning part 20 includes a positioning module 21 and a positioning camera 22. The positioning camera 22 moves along the length direction of the positioning module 21, and the positioning camera 22 is located directly above the touch display screen to be detected to position the touch display screen to be detected. The positioning camera 22 moves under the driving action of the positioning module 21, and the positioning camera 22 visually locates the touch display screen located on the calibration plate 12.

[0032] In this embodiment, an industrial lens 80 is provided at the end of the positioning camera 22, and the industrial lens 80 cooperates with the positioning camera 22 to achieve precise positioning of the touch screen display.

[0033] Combine Figure 1 and Figure 4 As shown, the detection unit 30 of this embodiment includes a first module 31, a second module 32 and a detection camera 33. The first module 31 and the second module 32 respectively drive the detection camera 33 to move along the first direction and the second direction. The detection camera 33 detects the touch display screen to be detected. Under the driving action of the first module 31 and the second module 32, the detection camera 33 moves in the first direction and the second direction. The detection camera 33 takes pictures of the touch display screen to collect data information of the touch display screen, and then judges whether the touch display screen is qualified according to the qualification requirements of the touch display screen. The end of the detection camera 33 of this embodiment is provided with an industrial lens 80 to improve the detection effect of the touch display screen.

[0034] In this embodiment, the positioning camera 22 and the detection camera 33 are staggered to respectively realize the positioning and detection of the touch display screen to be detected, and the positioning camera 22 and the detection camera 33 are both industrial cameras, realizing high-precision positioning and high-precision detection of the touch display screen.

[0035] In actual use, the desktop universal silk screen defect inspection machine of this embodiment is placed on the calibration plate 12 of the loading part 10, and then the positioning camera 22 of the positioning part 20 performs positioning inspection on the touch screen. After the positioning is completed, the positioning camera 22 is reset to avoid interference with the inspection part 30, and then the inspection camera 33 of the inspection part 30 takes a picture of the touch screen to collect data information of the touch screen, and then determines whether the touch screen is qualified according to the qualification requirements of the touch screen.

[0036] In this embodiment, the positioning module 21 , the first module 31 and the second module 32 are all screw drive modules. The positioning module 21 uses a stepper motor as a driver, and the first module 31 and the second module 32 use a servo motor as a driver.

[0037] Obviously, the above embodiments are merely examples for clarity of explanation and are not intended to limit the implementation methods. Those skilled in the art will readily appreciate that other variations or modifications based on the above descriptions are possible. It is not necessary and impossible to enumerate all implementation methods here. Obvious variations or modifications arising therefrom remain within the scope of protection of the present invention.

Claims

1. A desktop universal screen printing defect detection machine for testing touch screen displays, characterized in that: The detection machine includes A loading portion (10), the loading portion (10) comprising a loading light source (11) and a calibration plate (12), the loading light source (11) being located below the calibration plate (12), and a plurality of calibration lines (121) being provided on the calibration plate (12); A positioning portion (20), the positioning portion (20) being located above the calibration plate (12) for visually positioning the touch display screen to be detected; A detection unit (30) includes a first module (31), a second module (32), and a detection camera (33). The first module (31) and the second module (32) respectively drive the detection camera (33) to move along a first direction and a second direction. The detection camera (33) detects the touch display screen to be detected.

2. A desktop universal screen printing defect detection machine according to claim 1, characterized in that: The detection machine also includes a mounting base plate (40); The loading portion (10) is arranged on the mounting base plate (40) via a support block (50); The positioning portion (20) and the detection portion (30) are both connected to the mounting base plate (40) via a bracket (60).

3. The desktop universal screen printing defect detection machine according to claim 1, characterized in that: Optical glass (70) is provided between the loading light source (11) and the calibration plate (12).

4. The desktop universal screen printing defect detection machine according to claim 1, characterized in that: The positioning portion (20) comprises a positioning module (21) and a positioning camera (22). The positioning camera (22) moves along the length direction of the positioning module (21), and the positioning camera (22) is located directly above the touch display screen to be detected, so as to position the touch display screen to be detected.

5. The desktop universal screen printing defect detection machine according to claim 4, characterized in that: The positioning camera (22) and the detection camera (33) are staggered in distribution to respectively realize positioning and detection of the touch display screen to be detected.

6. The desktop universal screen printing defect detection machine according to claim 4, characterized in that: The ends of the detection camera (33) and the positioning camera (22) are both provided with industrial lenses (80).

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