阅读说明：本技术 一种液晶屏幕检测用点亮装置 (Lighting device for liquid crystal display detection ) 是由 陈国仁 石绍霖 吴佳明 赵利峰 于 2020-12-22 设计创作，主要内容包括：本发明涉及一种液晶屏幕检测用点亮装置,包括：两个承载座,两个所述承载座之间设有XY移动组件,两个所述承载座上端之间承载有载台,所述载台上设有真空抽气孔,且所述载台一侧连接有可翻转的盖板,所述载台背面设有插孔,所述XY移动组件上设有插拔治具组件。本发明提供的液晶屏幕检测用点亮装置,自动抽真空后,能够自动进行插电点亮,而且能够自动转换屏幕角度,全程无需人工操作,不仅效率高,而且成本低。(The invention relates to a lighting device for detecting a liquid crystal screen, which comprises: the device comprises two bearing seats, XY moving assemblies are arranged between the two bearing seats, a carrying platform is arranged between the upper ends of the two bearing seats, a vacuum pumping hole is formed in the carrying platform, a turnover cover plate is connected to one side of the carrying platform, jacks are formed in the back of the carrying platform, and plug-in jig assemblies are arranged on the XY moving assemblies. The lighting device for detecting the liquid crystal screen can automatically perform plug-in lighting after automatic vacuum pumping, can automatically convert the screen angle, does not need manual operation in the whole process, and has high efficiency and low cost.)

1. A lighting device for detecting a liquid crystal screen, comprising: the device comprises two bearing seats, XY moving assemblies are arranged between the two bearing seats, a carrying platform is arranged between the upper ends of the two bearing seats, a vacuum pumping hole is formed in the carrying platform, a turnover cover plate is connected to one side of the carrying platform, jacks are formed in the back of the carrying platform, and plug-in jig assemblies are arranged on the XY moving assemblies.

2. The lighting device for detecting liquid crystal screen according to claim 1, wherein the cover plate includes a frame and a film provided in the frame.

3. The lighting device for detecting the liquid crystal screen according to claim 2, wherein a cover plate driving means is provided on the cover plate and/or the stage.

4. The lighting device for detecting the liquid crystal screen according to claim 1, wherein a product slot for placing the liquid crystal screen is provided on the stage.

5. The lighting device for detecting the liquid crystal screen according to claim 1, wherein both sides of the stage are rotatably connected to the carrying base, and a rotation driving device for driving the stage to rotate is provided on the carrying base.

6. The lighting device for detecting the LCD screen according to claim 1, wherein the plugging/unplugging jig assembly comprises a lifting driving device and a jig body, and the lifting driving device is connected with the jig body.

7. The lighting device for detecting the liquid crystal screen according to claim 6, wherein the jig body includes: the base, first compensating part, second compensating part and plug guide holder, be equipped with first guide arm on the base, the flange cover of one side of first compensating part is established on the first guide arm, just the flange both sides are equipped with the spring of cover on the first guide arm, the opposite side of first compensating part is equipped with the second guide arm, the cover is established at second compensating part both ends on the second guide arm, just the cover is equipped with the spring on the second guide arm, the plug guide holder set up in on the second compensating part.

8. The lighting device for detecting lcd panel of claim 7, wherein the insertion guide base has two guide plates, and the guide plates have guide slopes on the inner sides of the upper portions thereof.

Technical Field

The invention relates to the field of liquid crystal screen manufacturing, in particular to a lighting device for liquid crystal screen detection.

Background

With the development of the information industry, the demand of liquid crystal display screens is also increasing. On one hand, people have more severe control on the quality of the liquid crystal screen; on the other hand, the competitive intensity of the industry is increasing day by day, and it becomes more important to improve the production efficiency and the product quality and reduce the production cost. However, the production process of the liquid crystal screen is very complicated, and the requirements for the production environment are very strict. In the current screen production process, the existence of defects is inevitable, and therefore, strict detection of the defects before shipment is necessary and critical.

The detection of backlight foreign matter defects and scratches is one of the necessary items in the detection. The existing detection method is that after a screen is manually placed on a vacuumizing table for vacuum film coating, manual power is inserted for lighting, and then corresponding detection is carried out.

Disclosure of Invention

In order to solve the problems of low efficiency and high cost of the existing liquid crystal screen defect detection, the technical scheme adopted by the invention is as follows: a lighting device for detecting a liquid crystal screen includes: the device comprises two bearing seats, XY moving assemblies are arranged between the two bearing seats, a carrying platform is arranged between the upper ends of the two bearing seats, a vacuum pumping hole is formed in the carrying platform, a turnover cover plate is connected to one side of the carrying platform, jacks are formed in the back of the carrying platform, and plug-in jig assemblies are arranged on the XY moving assemblies.

In a further improvement, the cover plate comprises a frame and a film arranged in the frame.

The further improvement is that the cover plate and/or the carrying platform are/is provided with cover plate driving equipment.

The further improvement is that a product groove is arranged on the carrying platform and used for placing the liquid crystal screen.

The improved structure is characterized in that two sides of the carrier are rotatably connected to the bearing seat, and the bearing seat is provided with a rotation driving device for driving the carrier to rotate.

The improved jig comprises a plug-pull jig assembly and a jig body, wherein the plug-pull jig assembly comprises a lifting driving device and a jig body, and the lifting driving device is connected with the jig body.

Further improve to, the tool body includes: the base, first compensating part, second compensating part and plug guide holder, be equipped with first guide arm on the base, the flange cover of one side of first compensating part is established on the first guide arm, just the flange both sides are equipped with the spring of cover on the first guide arm, the opposite side of first compensating part is equipped with the second guide arm, the cover is established at second compensating part both ends on the second guide arm, just the cover is equipped with the spring on the second guide arm, the plug guide holder set up in on the second compensating part.

The improved structure is characterized in that the plug guide seat is provided with two guide plates, and the inner sides of the upper parts of the guide plates are provided with guide inclined planes.

The invention has the beneficial effects that:

the lighting device for detecting the liquid crystal screen can automatically perform plug-in lighting after automatic vacuum pumping, can automatically convert the screen angle, does not need manual operation in the whole process, and has high efficiency and low cost.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic diagram of the front structure of a lighting device for detecting a liquid crystal display panel according to the present invention;

FIG. 2 is a schematic top view of the lighting device for LCD panel inspection according to the present invention;

FIG. 3 is a schematic side view of a lighting device for detecting a liquid crystal display panel according to the present invention;

FIG. 4 is a schematic structural diagram of a lighting device for LCD panel inspection according to the present invention;

FIG. 5 is a schematic view of a jig body according to the present invention;

fig. 6 is a schematic view of the front structure of the jig body of the present invention.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

In the description of the invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

As shown in fig. 1 to 4, the lighting device for detecting a liquid crystal display panel according to the present invention includes: two bearing seats 1, the two bearing seats 1 are oppositely and vertically and fixedly arranged on a fixed plane, an XY moving component 2 is arranged between the two bearing seats 1, two ends of the XY moving component 2 are respectively and fixedly arranged on a bearing seat 1, and the XY moving component 2 is matched with a conventional slide rail and a motor, or the screw rod and the motor can complete the movement in two vertical directions on one plane under the coordination, a carrying platform 3 is carried between the upper ends of the two carrying seats 1, the carrying platform 3 is used for carrying a liquid crystal screen, the carrying platform 3 is provided with a vacuum air exhaust hole, and one side of the carrier 3 is connected with a reversible cover plate 4 for covering the liquid crystal screen, the back of the carrier 3 is provided with a jack, the jack corresponds to a power supply and signal connection position of the screen, the XY moving assembly 2 is provided with a plug jig assembly 5, and the XY moving assembly 2 is used for driving the plug jig assembly 5 to move.

This device during operation, first-selected place product (LCD screen) on microscope carrier 3, cover apron 4, the vacuum exhaust hole on microscope carrier 3 begins the evacuation and makes the apron hug closely on the product, XY removes subassembly 2 and drives plug tool subassembly 5 and remove the jack on microscope carrier 3 and correspond the department, then tool body 52 rises and gives product power transmission and corresponding signal through the jack, wherein jack department is equipped with corresponding vacuum seal spare, then other check out test set carry out corresponding screen defect and detect.

The lighting device for detecting the liquid crystal screen can automatically perform plug-in lighting after automatic vacuum pumping, can automatically convert the screen angle, does not need manual operation in the whole process, and has high efficiency and low cost.

As shown in fig. 1, in a further modification, the cover plate 4 includes a frame 41 and a film 42 disposed in the frame 41. The frame 41 is used to hold a film 42, which film 42 will adhere closely to the screen surface during evacuation of the device.

As shown in fig. 1 and 3, in order to realize the entire automatic operation of the present apparatus, the present technical solution is further modified in that a cover plate driving device 6 is provided on the cover plate 4 and/or the stage 3. The cover plate driving device 6 realizes the automatic opening and closing of the cover plate 4, and further improves the working efficiency of the device. Wherein, the cover plate driving device 6 can adopt an air cylinder or a motor, and the air cylinder is adopted in the embodiment.

As shown in fig. 3, in order to realize automatic opening and closing of the cover plate 4, in this embodiment, one side of the cover plate 4 is connected with the carrier 3 through a hinge, meanwhile, the cover plate driving device 6 is fixedly installed at the bottom of the carrier 3 and is connected with the hinge side of the cover plate 4 through a connecting rod 8, one end of the connecting rod 8 is connected with the cover plate 4, the other end of the connecting rod 8 is connected with the output end of the cover plate driving device 6 through a waist-shaped hole, the middle part of the connecting rod 8 is connected with the carrier 3 through a rotating shaft, and the included angle between the two ends of the connecting rod 8 is greater than 90 °, along with the extension of the output end of the cover plate driving device.

As shown in fig. 2, a further improvement is that a product groove 32 is formed in the stage 3, the product groove 32 is used for placing a liquid crystal screen, meanwhile, a vacuum suction hole is formed in the product groove 32, and a bearing member protruding upwards is arranged in the product groove 32, so that a gap is formed between the lower surface of the product and the bottom of the product groove 32, and the product is convenient to vacuumize. The bearing parts can be raised dot matrixes, raised strip-shaped bearing parts or other raised bearing parts in regular shapes or irregular shapes.

As shown in fig. 2, a avoiding groove 33 is disposed beside the product groove 32 for facilitating product transportation and avoiding.

As shown in fig. 1, a further improvement is that two sides of the carrier 3 are rotatably connected to the carrier 1 through a rotating shaft, and a rotation driving device 7 for driving the carrier 3 to rotate is arranged on the carrier 1. Because when carrying out screen defect detection, single angle testing result is inaccurate, in order to improve detection accuracy, drive microscope carrier 3 through rotation drive device 7 rotation among this technical scheme, and then realized the product multi-angle and detected, improved screen defect detection's rate of accuracy.

In a further improvement, the plugging jig assembly 5 includes a lifting driving device 51 and a jig body 52, and the lifting driving device 51 is connected to the jig body 52.

As shown in fig. 5 and fig. 6, since the moving precision and the manufacturing precision of the XY moving component may cause the deviation between the moving position and the preset position, and the product placing position may also have some deviation from the preset position, and these deviations may cause the plug guide 524 on the jig to be inserted into the plug guide 524, in order to solve this problem, the present invention further improves that the jig body 52 includes: a base 521, a first compensator 522, a second compensator 523 and a plug guide 524, the base 521 is provided with a first guide rod 525, in this embodiment, the first guide rod 525 is two parallel, the flange 5221 of one side of the first compensator 522 is fitted over the first guide bar 525, so that the first compensator 522 can move along the first guide bar 525, and springs 5251 sleeved on the first guide rods 525 are arranged at both sides of the flange 5221, the other side of the first compensator 522 is provided with a second guide rod 526, and the second guide rod 526 in this embodiment is also two parallel, the two ends of the second compensator 523 are sleeved on the second guide rod 526, so that the second compensator 523 can move along the second guide rod 526, the first guide rod 525 is perpendicular to the second guide rod 526, and a spring 5261 is sleeved on the second guide rod 526, and the plugging guide seat 524 is disposed on the second compensation member 523. During the process of inserting the plug guide 524 upwards, the spring 5251 can correct the position of the first compensator 522 from side to side, so that the plug guide 524 can be inserted smoothly.

As shown in fig. 6, the insertion and extraction guide block 524 is further modified to have two guide plates 5241, and the guide plates 5241 have guide slopes 5242 on the inner side of the upper portion thereof. When the jig body 52 is lifted and inserted upwards, the first compensation member 522 automatically performs lateral position adjustment under the action of the spring 5251 along with the guiding action of the guiding inclined surface.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.