CN218470526U

CN218470526U - Automatic detection device for lighting picture of LCD

Info

Publication number: CN218470526U
Application number: CN202222528931.1U
Authority: CN
Inventors: 尹政
Original assignee: Suzhou Jiazhicai Optoelectronics Technology Co ltd
Current assignee: Suzhou Jiazhicai Optoelectronics Technology Co ltd
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2023-02-10
Anticipated expiration: 2032-09-23

Abstract

The utility model discloses a LCD picture automatic checkout device of lighting a lamp, including the body, be equipped with on the body: the device comprises a turntable unit and an alignment station, wherein the alignment station is provided with a CCD alignment unit and a lighting station, the lighting station is provided with a lighting pressure head unit, and the detection station is provided with a camera detection unit. The utility model discloses a LCD picture automatic checkout device of lighting a lamp adopts simple, stable carousel structure to transport LCD to counterpoint the unit through CCD and carry out the counterpoint, rectify through tool bottom counterpoint platform, the pressure head in the pressure head unit of lighting a lamp of rethread pushes down and lights LCD, and utilizes camera detecting element to detect. The utility model discloses a LCD picture automatic checkout device of lighting a lamp has that the reliability is good, response speed is fast, compact structure, detect the advantage that the precision is high, detection efficiency is high.

Description

Automatic detection device for lighting picture of LCD

Technical Field

The utility model relates to a LED tests technical field, in particular to LCD picture automatic checkout device of lighting a lamp.

Background

A Liquid Crystal Display (LCD) is one of flat panel displays. The screen display device is used for screen display of televisions and computers. The display screen has the advantages of low power consumption, small size and low radiation. Defective products can appear on a production line due to the production process, self-luminous materials and the like, and in order to guarantee the quality, a series of item indexes are detected in the production, and the defective products are detected or corrected so as to avoid flowing to the next process.

Among them, line defect, poor image quality, and poor polarizing plate are common problems. The existing production line detection mostly uses offline jig personnel judgment, manual visual judgment of poor quality is needed, personnel consumption is excessive, productivity is low, and equipment judgment consistency is not achieved.

How to realize the line defect/bad image quality/bad detection of polarizing plate of LCD screen of high-efficient stable accuracy, realize automated inspection, guarantee the flexibility of remodelling simultaneously and satisfy small batch volume rapid production, improve the benefit, be the problem that awaits a urgent need in the industry.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a rational in infrastructure, efficient LCD picture automatic checkout device that lights a lamp.

In order to solve the problem, the utility model provides a LCD picture automatic checkout device of lighting a lamp, which comprises a body, be equipped with on the body:

the rotary table unit comprises a rotary table and a rotary table driving assembly, a jig for bearing the LCD to be detected is arranged on the rotary table, the rotary table driving assembly is connected with the rotary table and drives the rotary table to rotate, so that the jig can flow among stations, and the bottom of the jig is connected with the rotary table through an alignment platform;

the alignment station is provided with a CCD alignment unit which is used for photographing and positioning the LCD to be detected, and the alignment platform is used for correcting the position of the jig according to the photographing and positioning result of the CCD alignment unit;

the lighting device comprises a lighting station, wherein the lighting station is provided with a lighting pressure head unit, the lighting pressure head unit comprises a linear module, a fine adjustment platform and a lighting pressure head, the lighting pressure head is connected with the linear module through the fine adjustment platform, the linear module adjusts the position of the fine adjustment platform, the fine adjustment platform adjusts the parallelism of the lighting pressure head and a jig and the distance from the lighting pressure head to the jig, and the lighting pressure head can press down to light a detected LCD;

the detection station is provided with a camera detection unit, and the camera detection unit is used for detecting the defects of the detected LCD after the detected LCD is lightened.

As the utility model discloses a further improvement, be equipped with on the tool and be detected the profile modeling groove that the LCD shape matches, the profile modeling inslot is equipped with and is used for adsorbing the vacuum suction nozzle who is detected LCD, vacuum suction nozzle passes through the pipeline and is connected with the suction apparatus.

As a further improvement, the counterpoint platform is the XXY platform, the XXY platform carries out the correction of horizontal direction and space angle to the tool according to the location result of shooing of CCD counterpoint unit.

As a further improvement, the fine setting platform includes two unipolar platforms and two arcs pendulum platform, the platform adjustment is put to two arcs the depth of parallelism of pressure head and tool of lighting a lamp, the distance of pressure head to tool is lighted in the adjustment of two unipolar platforms.

As a further improvement of the utility model, camera detecting element includes main camera, side camera, a plurality of sidelight sources are mutually supported from different directions and are polished, and the angle of polishing is adjustable.

As the utility model discloses a further improvement still includes sweeps a yard station, it is equipped with and sweeps a yard unit to sweep a yard station, it is in to sweep a yard unit the position of tool is rectified the back, right detected LCD on the tool sweeps a yard.

As the utility model discloses a further improvement, it includes horizontal guide, unipolar platform and bar code collector to sweep a yard unit, unipolar platform and horizontal guide sliding connection, unipolar platform is connected and is adjusted bar code collector and to be arrived the height that is detected LCD with bar code collector.

As a further improvement, the code scanning unit further comprises a locking handle, the single-shaft platform is locked by the locking handle on the horizontal guide rail.

As a further improvement of the utility model, be provided with the electrical components cover on the carousel.

As a further improvement of the present invention, the turntable driving assembly is a DD motor.

The utility model has the advantages that:

the utility model discloses a LCD picture automatic checkout device of lighting a lamp adopts simple, stable carousel structure to transport LCD to counterpoint the unit through CCD and carry out the counterpoint, rectify through tool bottom counterpoint platform, the pressure head in the pressure head unit of lighting a lamp of rethread pushes down and lights LCD, and utilizes camera detecting element to detect. The utility model discloses a LCD picture automatic checkout device of lighting a lamp has that the reliability is good, response speed is fast, compact structure, detect the advantage that the precision is high, detection efficiency is high.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic diagram of the overall structure of an automatic LCD lighting picture detection device according to a preferred embodiment of the present invention;

fig. 2 is a schematic structural diagram of a turntable unit in a preferred embodiment of the present invention;

fig. 3 is a schematic structural diagram of a CCD alignment unit according to a preferred embodiment of the present invention;

fig. 4 is a schematic structural diagram of a lighting head unit according to a preferred embodiment of the present invention;

fig. 5 is a schematic structural diagram of a camera detection unit in a preferred embodiment of the present invention;

fig. 6 is a schematic structural diagram of a code scanning unit in the preferred embodiment of the present invention.

Description of the labeling:

100. a body;

1. a turntable unit; 11. a turntable; 12. a jig; 13. the LCD is detected; 14. aligning the platform; 15. an electric component cover;

2. a CCD alignment unit; 21. a dual Y-axis module; 22. an X-axis module; 23. a CCD camera; 24. a display;

3. a lighting pressure head unit; 31. a linear module; 32. fine tuning the platform; 33. a lighting pressure head;

4. a camera detection unit; 41. a main camera; 42. a side camera; 43. a side light source;

5. a code scanning unit; 51. a horizontal guide rail; 52. a single-axis platform; 53. a code scanner; 54. and locking the handle.

Detailed Description

The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

As shown in fig. 1-6, for the LCD lighting picture automatic detection device in an embodiment of the present invention, including the body 100, the body 100 is provided with the turntable unit 1, and the turntable unit 1 is provided with a plurality of different stations all around, including the alignment station, the lighting station, and the detection station.

Referring to fig. 2, the turntable unit 1 includes a turntable 11 and a turntable driving assembly, a fixture 12 for bearing an LCD13 to be detected is disposed on the turntable 11, the turntable driving assembly is connected to the turntable 11 and drives the turntable 11 to rotate, so that the fixture 12 can be moved between each station, and the bottom of the fixture 12 is connected to the turntable 11 through an alignment platform 14. Alternatively, the turntable drive assembly is a DD motor or the like.

Optionally, the jig 12 is provided with a profile groove matching the shape of the LCD13 to be detected, a vacuum suction nozzle for adsorbing the LCD13 to be detected is arranged in the profile groove, and the vacuum suction nozzle is connected with the air suction device through a pipeline. After the manual work or the manipulator will be detected LCD13 material loading, the vacuum suction nozzle will be detected LCD13 and adsorb fixedly, prevent to be detected LCD13 and rotate relative displacement in-process at carousel 11.

Furthermore, the jig 12 is fixed by screws using a quick-release structure, and can be disassembled and exchanged only by manually loosening 4 screws. The convenience of changing different products is ensured.

Optionally, an electrical component cover 15 is provided on the turntable 11. All the electric components are located in the electric component cover 15, and the detection is prevented from being influenced by the light emission. Meanwhile, the external light at the feeding position is prevented from being emitted into the detection station.

Referring to fig. 3, the alignment station is provided with a CCD alignment unit 2, the CCD alignment unit 2 performs photographing and positioning on the LCD13 to be detected, and the alignment platform 14 corrects the position of the jig 12 according to the photographing and positioning result of the CCD alignment unit 2. Optionally, the alignment platform 14 is an XXY platform, and the XXY platform corrects the horizontal direction and the spatial angle of the jig 12 according to the photographing positioning result of the CCD alignment unit 2.

Referring to fig. 4, the lighting station is provided with a lighting head unit 3, the lighting head unit 3 includes a linear module 31, a fine adjustment platform 32 and a lighting head 33, the lighting head 33 is connected with the linear module 31 through the fine adjustment platform 32, the linear module 31 adjusts the position of the fine adjustment platform 32, the fine adjustment platform 32 adjusts the parallelism between the lighting head 33 and the fixture 12 and the distance from the lighting head 33 to the fixture 12, and the lighting head 33 can press down to light the detected LCD13.

Optionally, the fine adjustment platform 32 includes a double single-axis platform and a double-arc pendulum platform, the double-arc pendulum platform adjusts the parallelism of the lighting indenter 33 and the fixture 12, and the double single-axis platform adjusts the distance from the lighting indenter 33 to the fixture 12.

Alternatively, the lighting head 33 may be quick-release, so as to facilitate replacement of the corresponding lighting head according to different product sizes/PAD areas.

The detection station is provided with a camera detection unit 4, and the camera detection unit 4 detects the defects of the detected LCD13 after the detected LCD13 is lightened.

Referring to fig. 5, the camera detection unit 4 includes a main camera 41, a side camera 42, and a plurality of side light sources 43, where the side light sources 43 cooperate with each other from different directions to perform light, and the light angle is adjustable, so as to ensure the overall light effect. The main camera 41 is located right above the detected LCD13, the side camera 42 is located at one side of the detected LCD13, and the angle of the side camera 42 is adjusted through the waist-shaped groove, so that the side camera 42 is guaranteed to be over against the center of the detected LCD13. In one embodiment, the number of the side light sources 43 is three, and three side light sources 43 are fixed on the optical axis.

In some embodiments, the LCD device further comprises a code scanning station, the code scanning station is provided with a code scanning unit 5, and the code scanning unit 5 scans the detected LCD13 on the jig 12 after the position of the jig 12 is corrected. Each detected LCD13 is provided with a two-dimensional code, and information such as the number of the currently detected LCD13 is recorded.

Referring to fig. 6, alternatively, the scanner unit 5 includes a horizontal guide rail 51, a single-axis platform 52, and a scanner 53, the single-axis platform 52 being slidably coupled to the horizontal guide rail 51, the single-axis platform 52 being coupled to the scanner 53 and adjusting the height of the scanner 53 to the detected LCD13.

The code scanning unit 5 further comprises a locking handle, and the single-shaft platform 52 can be locked on the horizontal guide rail 51 through the locking handle. Specifically, the horizontal position of the single-shaft platform 52 is adjusted on the horizontal guide rail 51 as required, and when the target position is reached, the locking handle is used for locking, so that the relative displacement between the single-shaft platform 52 and the horizontal guide rail 51 is avoided.

The utility model discloses a LCD picture automatic checkout device of lighting a lamp adopts simple, stable carousel structure to transport LCD to counterpoint the unit through CCD, rectify through tool bottom counterpoint platform, the LCD is lighted to the pressure head push-down in the pressure head unit of rethread lighting a lamp, and utilize camera detecting element to detect. The utility model discloses a LCD picture automatic checkout device of lighting a lamp has that the reliability is good, response speed is fast, compact structure, detect the advantage that the precision is high, detection efficiency is high.

The above embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims

1. The utility model provides a LCD picture automatic checkout device of lighting a lamp, includes the body, its characterized in that, be equipped with on the body:

the alignment station is provided with a CCD alignment unit which is used for photographing and positioning the detected LCD, and the alignment platform is used for correcting the position of the jig according to the photographing and positioning result of the CCD alignment unit;

the detection station is provided with a camera detection unit, and the camera detection unit detects the defects of the detected LCD after the detected LCD is lightened.

2. The automatic detection device for LCD lighting pictures according to claim 1, wherein the fixture is provided with a profile groove matching the shape of the LCD to be detected, a vacuum suction nozzle for sucking the LCD to be detected is provided in the profile groove, and the vacuum suction nozzle is connected to the suction device through a pipe.

3. The apparatus according to claim 1, wherein the alignment stage is an XXY stage, and the XXY stage corrects the horizontal direction and the spatial angle of the fixture according to the photographing positioning result of the CCD alignment unit.

4. The automatic detection device for the lighting picture of the LCD of claim 1, wherein the fine tuning platform comprises a double single-axis platform and a double-arc swing platform, the double-arc swing platform adjusts the parallelism of the lighting pressure head and the fixture, and the double single-axis platform adjusts the distance from the lighting pressure head to the fixture.

5. The apparatus according to claim 1, wherein the camera detection unit comprises a main camera, a side camera, and a plurality of side light sources, and the side light sources cooperate with each other from different directions to illuminate, and the illumination angle is adjustable.

6. The apparatus according to claim 1, further comprising a code scanning station, wherein the code scanning station is provided with a code scanning unit, and the code scanning unit scans a detected LCD on the fixture after the position of the fixture is corrected.

7. The apparatus of claim 6, wherein the code scanning unit comprises a horizontal guide rail, a single-axis platform and a code scanner, the single-axis platform is slidably connected to the horizontal guide rail, the single-axis platform is connected to the code scanner and adjusts a height of the code scanner to the LCD to be inspected.

8. The automatic detection device for LCD lighting screens of claim 7, wherein said code scanning unit further comprises a locking handle, and said single-axis platform can be locked to said horizontal rail by said locking handle.

9. The apparatus for automatically detecting an LCD lighting screen according to claim 1, wherein an electric component cover is provided on the turntable.

10. The apparatus of claim 1, wherein the turntable driving component is a DD motor.