CN213581658U - Lighting device for liquid crystal display detection - Google Patents
Lighting device for liquid crystal display detection Download PDFInfo
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- CN213581658U CN213581658U CN202023118038.9U CN202023118038U CN213581658U CN 213581658 U CN213581658 U CN 213581658U CN 202023118038 U CN202023118038 U CN 202023118038U CN 213581658 U CN213581658 U CN 213581658U
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Abstract
The utility model relates to a liquid crystal display detects with lighting device, include: 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 utility model provides a LCD screen detects with lighting device, automatic evacuation back can insert the electricity automatically and light, can automatic switching screen angle moreover, whole journey need not manual operation, not only efficient, with low costs moreover.
Description
Technical Field
The utility model relates to a LCD screen field of making especially relates to a LCD screen detects with lighting device.
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.
SUMMERY OF THE UTILITY MODEL
For solving the problem that current LCD screen defect detection efficiency is low, with high costs, the utility model discloses the technical scheme who adopts is: 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 utility model has the advantages that:
the utility model provides a LCD screen detects with lighting device, automatic evacuation back can insert the electricity automatically and light, can automatic switching screen angle moreover, whole journey need not manual operation, not only efficient, with low costs moreover.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic front view 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 detecting a liquid crystal display panel according to the present invention;
fig. 3 is a schematic side view of the lighting device for detecting a liquid crystal display panel according to the present invention;
fig. 4 is a schematic structural view of a lighting device for detecting a liquid crystal display panel according to the present invention;
FIG. 5 is a schematic view of the jig body of 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 drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
In the description of the present 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 or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present 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 include, for example, fixed connections, detachable connections, 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 utility model can be understood according to specific situations by those skilled in the art.
As shown in fig. 1 to 4, the utility model provides a lighting device for detecting liquid crystal display, include: 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 utility model provides a LCD screen detects with lighting device, automatic evacuation back can insert the electricity automatically and light, can automatic switching screen angle moreover, whole journey need not manual operation, not only efficient, with low costs moreover.
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, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made 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.
Claims (8)
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023118038.9U CN213581658U (en) | 2020-12-22 | 2020-12-22 | Lighting device for liquid crystal display detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023118038.9U CN213581658U (en) | 2020-12-22 | 2020-12-22 | Lighting device for liquid crystal display detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213581658U true CN213581658U (en) | 2021-06-29 |
Family
ID=76549735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023118038.9U Active CN213581658U (en) | 2020-12-22 | 2020-12-22 | Lighting device for liquid crystal display detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213581658U (en) |
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2020
- 2020-12-22 CN CN202023118038.9U patent/CN213581658U/en active Active
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