CN214702204U

CN214702204U - Display panel chuck flatness detection device

Info

Publication number: CN214702204U
Application number: CN202121177270.1U
Authority: CN
Inventors: 朴柄奎
Original assignee: LG Display Optoelectronics Technology China Co Ltd
Current assignee: LG Display Optoelectronics Technology China Co Ltd
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2021-11-12
Anticipated expiration: 2031-05-28

Abstract

The utility model discloses a display panel chuck flatness detection device belongs to display panel processing technology field. The display panel chuck flatness detecting apparatus includes: the detection device comprises a detection bracket, a detection unit and a control unit, wherein a supporting surface is arranged on the detection bracket and used for supporting a display panel chuck to be detected; the sensor driving part is arranged on the detection bracket, and the driving direction of the sensor driving part is a first direction; the display panel chuck comprises a plurality of sensors, wherein the sensors are connected to the output end of the sensor driving piece and are arranged at intervals along a second direction, the second direction is perpendicular to the first direction, and the sensors are located above the supporting surface and used for detecting the flatness of the display panel chuck. The utility model discloses a display panel chuck flatness detection device of the flatness of ability automated inspection display panel chuck.

Description

Display panel chuck flatness detection device

Technical Field

The utility model relates to a display panel processing technology field especially relates to a display panel chuck flatness detecting device.

Background

Display panels are required to be installed on electronic equipment or some household appliances (such as televisions), and currently, liquid crystal glass is generally adopted for the display panels. During the production process, the liquid crystal glass display panel needs to be cut or otherwise processed. In the case of a liquid crystal glass display panel, since the liquid crystal glass display panel is generally placed on a display panel chuck and then subjected to a processing operation such as cutting, the flatness of the display panel chuck directly affects the processing accuracy of the display panel, and it is necessary to detect the flatness of the display panel chuck before the display panel is placed on the display panel chuck.

In the prior art, when the flatness of the display panel chuck is detected, the sensor needs to be manually installed above the display panel chuck, the flatness of the display panel chuck is detected through the sensor, and after the detection is completed, the sensor is detached again, so that the display panel is subsequently placed on the display panel chuck for processing. The manual mounting and dismounting of the sensor is time-consuming, resulting in a low detection efficiency. In addition, errors are easy to occur when the sensor is installed, and detection results are affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the flatness detection device for the display panel chuck can automatically detect the flatness of the display panel chuck, does not need to manually install and disassemble a sensor, and is high in detection accuracy.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

provided is a display panel chuck flatness detecting apparatus including:

the detection device comprises a detection bracket, a detection unit and a control unit, wherein a supporting surface is arranged on the detection bracket and used for supporting a display panel chuck to be detected;

the sensor driving part is arranged on the detection bracket, and the driving direction of the sensor driving part is a first direction;

the sensor driving part is connected with the output end of the sensor driving part, the sensor driving part is arranged on the supporting surface, and the sensor driving part is arranged on the supporting surface and used for driving the display panel chuck to move.

As an optional implementation mode of the above display panel chuck flatness detection device, the detection support is followed the both sides of first direction all are provided with the mounting panel, be provided with the slide rail on the mounting panel, display panel chuck flatness detection device still includes the crossbeam, the crossbeam is followed the second direction sets up, and is a plurality of the sensor is located on the crossbeam, sliding connection is respectively in both sides in the both ends of crossbeam on the slide rail of mounting panel, the sensor driving piece with the crossbeam is connected, with the drive the crossbeam is followed the first direction removes, the second direction with the first direction is perpendicular.

As an alternative embodiment of the above display panel chuck flatness detecting apparatus, the sensor is attached to the cross beam by a clamp.

As an optional implementation manner of the above display panel chuck flatness detecting apparatus, the fixture includes a first connecting plate and a second connecting plate connected at an included angle, the first connecting plate is connected with the cross beam, and the second connecting plate is connected with the sensor.

As an optional implementation manner of the above display panel chuck flatness detecting apparatus, the display panel chuck flatness detecting apparatus further includes a lifting driving member, the lifting driving member is disposed on the cross beam, and the sensor is disposed at an output end of the lifting driving member.

As an optional implementation manner of the above display panel chuck flatness detecting apparatus, a plurality of rollers are disposed on the detecting bracket, and the display panel chuck can be placed on the rollers.

As an alternative embodiment of the above display panel chuck flatness detecting apparatus, the roller is connected to the detecting bracket through a height adjusting structure.

As an alternative embodiment of the above display panel chuck flatness detecting apparatus, the rollers are distributed on the supporting surface in a matrix.

As an alternative embodiment of the above display panel chuck flatness detecting apparatus, the height adjusting structure is a height adjusting screw.

As an optional implementation manner of the above display panel chuck flatness detecting apparatus, the sensor driving part is a sliding table module or a linear motor.

The utility model has the advantages that:

the sensor driving part is arranged on the detection support, the sensor is arranged at the output end of the sensor driving part, the sensor driving part can drive the sensor to linearly move along a first direction, the sensor is positioned above the supporting surface of the detection support, the display panel chuck is placed on the supporting surface during detection, so the sensor is positioned above the display panel chuck during detection, and when the flatness of the display panel chuck needs to be detected, the sensor driving part drives the sensor to move above the display panel chuck so as to detect the flatness of the display panel chuck; after the detection is finished, the sensor driving piece can drive the sensor to move to one end of the detection support, and the processing of the display panel on the display panel chuck is not hindered. The utility model discloses in, need not iterative dismouting sensor, saved the time, improved detection efficiency, can also avoid the error of the repeated dismouting of sensor simultaneously, promote the degree of accuracy of testing result. Through the actual work test, the utility model discloses a display panel chuck flatness detection device can save 15-90 minutes's sensor dismouting time, also can save 15-90 minutes's time that detects at every turn, has improved detection efficiency greatly.

Drawings

Fig. 1 is a schematic structural diagram of a display panel chuck flatness detecting apparatus according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of the embodiment of the present invention, in which a display panel chuck is placed on a display panel chuck flatness detecting apparatus;

FIG. 3 is a schematic structural view of the assembly of the cross beam and the sensor according to the embodiment of the present invention;

fig. 4 is a schematic structural view of the assembly of the beam and the sensor according to another embodiment of the present invention.

In the figure:

101. a display panel chuck; 110. detecting the bracket; 111. mounting a plate; 112. a support surface; 120. a slide rail; 130. a sensor; 140. a cross beam; 150. a clamp; 151. a first connecting plate; 152. a second connecting plate; 160. a lifting drive member; 170. a roller; 180. a height adjusting structure.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures. Like reference numerals refer to like features throughout the specification.

The utility model provides a display panel chuck flatness detection device, figure 1 is the utility model provides an embodiment display panel chuck flatness detection device's schematic structure drawing, as shown in figure 1, display panel chuck flatness detection device is including detecting support 110, sensor driving piece and sensor 130. The detecting bracket 110 is used as a main supporting member of the whole display panel chuck flatness detecting apparatus, a supporting surface 112 is arranged on the detecting bracket 110, and when detecting, as shown in fig. 2, the display panel chuck 101 to be detected is placed on the supporting surface 112 of the detecting bracket 110. The bottom of the detection bracket 110 can be provided with universal wheels, which is convenient for moving the whole display panel chuck flatness detection device. The detection carriage 110 may also be referred to as a trolley. The sensor driving member is disposed on the detecting bracket 110, and a driving direction of the sensor driving member is a first direction. In one embodiment, the first direction is a front-to-back direction shown in fig. 1, i.e., along the length direction of the detecting bracket 110. As shown in fig. 1, the sensor 130 is provided in plurality, and the plurality of sensors 130 are connected to an output end of the sensor driving member, so that the sensor 130 moves in the first direction by the driving of the sensor driving member. The plurality of sensors 130 are spaced apart along a second direction, which is perpendicular to the first direction. In one embodiment, the second direction is a left-right direction shown in fig. 1, i.e. along the width direction of the detecting bracket 110. The sensor 130 is positioned above the supporting surface 112 of the detecting bracket 110, and the sensor 130 is used to detect the flatness of the display panel chuck 101. The plurality of sensors 130 are arranged in a row to cover a width range of the display panel chuck 101, and when the row of sensors 130 moves in a front-rear direction, the display panel chuck 101 can be comprehensively detected.

As shown in fig. 2, during the detection, the display panel chuck 101 is placed on the supporting surface 112 of the detection bracket 110, the sensor 130 is located above the display panel chuck 101, the sensor 130 moves forward under the driving of the sensor driving member and sweeps over the display panel chuck 101 to detect the flatness of the whole display panel chuck 101, and the detection result is transmitted to an upper computer, and the upper computer is used for controlling the operation of the display panel chuck flatness detection device. After the detection is completed, the sensor 130 is driven by the sensor driving member to move backward and return to the original position. The home position of the sensor 130 may be set at the rear end of the detection bracket 110, so that the sensor 130 may not stay right above the display panel chuck 101 after the detection is completed, and may not interfere with subsequent processes, such as placing the display panel on the display panel chuck 101 and processing the display panel on the display panel chuck 101.

The utility model discloses in, set up the sensor driving piece on detecting support 110, the sensor driving piece can drive sensor 130 and remove in the top of display panel chuck 101, and during the detection, sensor 130 removes under the drive of sensor driving piece and carries out automated inspection, detects the completion back, and the sensor driving piece can drive sensor 130 again and reset to the one end that detects support 110, can not interfere going on of follow-up flow. The utility model discloses in, all on display panel chuck 101 dismouting primary sensor 130 when need not to detect display panel chuck 101 at every turn, saved the time, improved detection efficiency, error when can also avoiding sensor 130 to install simultaneously promotes testing result's accuracy. Through the actual work test, the utility model discloses a display panel chuck flatness detection device can save 15-90 minutes's sensor 130 dismouting time, also can save 15-90 minutes's time that detects at every turn, has improved detection efficiency greatly.

In an embodiment, referring to fig. 1, the detection bracket 110 is provided with mounting plates 111 on both sides in the front-back direction, that is, the mounting plates 111 are provided on both sides of the detection bracket 110, the mounting plates 111 are vertically disposed, the mounting plates 111 on both sides of the detection bracket 110 are parallel to each other, and the height of the mounting plates 111 is higher than the supporting surface 112 of the detection bracket 110. The mounting plate 111 is provided with a slide rail 120, the display panel chuck flatness detection device further comprises a cross beam 140, the cross beam 140 is arranged along the left-right direction, the plurality of sensors 130 are sequentially arranged on the cross beam 140 at intervals, two ends of the cross beam 140 are respectively connected to the slide rails 120 of the mounting plates 111 at two sides in a sliding mode, and the sensor driving part is connected with the cross beam 140 to drive the cross beam 140 and the sensors 130 arranged on the cross beam 140 to move along the first direction. The two ends of the beam 140 are connected to the two slide rails 120, so that the two ends of the beam 140 can be supported, and the beam 140 can move more stably. In addition, the two ends of the beam 140 are connected to the two slide rails 120, so that the beam 140 spans over the detection bracket 110, and after the sensor 130 is disposed on the beam 140, the left and right ends of the display panel chuck 101 can be covered, thereby realizing comprehensive detection.

The sensor driving piece can adopt a sliding table module or a linear motor, the sliding table module and the linear motor are linear driving pieces, and the driving mode of the sliding table module is that linear driving is realized through the matching of a motor and a screw nut pair. When the drive distance is shorter, choose the slip table module for use, when the drive distance is longer, then can adopt linear electric motor.

Or the slide rail 120 may be directly replaced by a sensor driving element, for example, the sliding table module or the linear motor is directly mounted on the mounting plate 111 to serve as the driving element and also serve as the slide rail 120, two ends of the cross beam 140 are connected to output ends of the sensor driving element, where the output ends refer to a mover of the linear motor or a sliding table of the sliding table module.

Fig. 3 is a schematic structural diagram of the assembly of the cross beam and the sensor in the embodiment of the present invention. As shown in fig. 3, the sensor 130 is attached to the beam 140 by a clamp 150. A clamp 150 is provided to facilitate mounting of the sensor 130 to the beam 140.

The clamp 150 may be of various types as long as the sensor 130 can be fixedly mounted on the beam 140. In the present invention, as shown in fig. 3, the clamp 150 includes a first connecting plate 151 and a second connecting plate 152 connected at an included angle, in this embodiment, the first connecting plate 151 and the second connecting plate 152 are perpendicular, so that the clamp 150 is integrally similar to an L-shaped mounting plate. As shown in fig. 3, the first connecting plate 151 of the clamp 150 is connected to the beam 140 and fixed by a fastener such as a screw, and the second connecting plate 152 of the clamp 150 is connected to the sensor 130 and fixed by a fastener such as a screw, or detachably connected by some detachable connecting structure, such as a magnetic attraction connection. Designing clamp 150 to include first connecting plate 151 and second connecting plate 152 connected at an included angle not only enables sensor 130 to be effectively connected with beam 140, but also reduces the overall size of clamp 150, reduces weight, and saves materials at the same time. The number of the jigs 150 corresponds to the number of the sensors 130 one by one, and one jig 150 corresponds to one sensor 130.

Fig. 4 is a schematic structural diagram of the assembly of the beam and the sensor according to another embodiment of the present invention. Referring to fig. 4, the display panel chuck flatness detecting apparatus may further include a lifting driver 160, the lifting driver 160 is disposed on the cross beam 140, and the sensor 130 is disposed at an output end of the lifting driver 160. The lifting driving member 160 can drive the sensor 130 to move up and down, so that the sensor 130 can adjust the position in the up-and-down direction to be close to or far away from the display panel chuck 101, and the distance between the sensor 130 and the display panel chuck 101 can be adjusted according to the detection requirement. Since the range of up-and-down adjustment of the sensor 130 does not need to be too large, the lift driving member 160 may employ a slide table module.

Referring to fig. 1 and 2, the detecting bracket 110 is provided with a plurality of rollers 170, the rollers 170 can be placed with the display panel chuck 101, and the display panel chuck 101 is placed on the rollers 170 during detection. Because the display panel chuck 101 is bulky, in order to place the display panel chuck 101 on the detection support 110, set up the gyro wheel 170 on the holding surface 112 of the detection support 110, when the display panel chuck 101 needs to be placed on the detection support 110, only need to put on the gyro wheel 170 with the one end of display panel chuck 101, then promote the display panel chuck 101, can make the display panel chuck 101 move along the gyro wheel 170, and then place the whole display panel chuck 101 on the detection support 110, time saving and labor saving.

As shown in fig. 1, the plurality of rollers 170 are distributed on the supporting surface 112 of the detecting bracket 110 in a matrix form, so that the rollers 170 are distributed uniformly, each part of the display panel chuck 101 can be supported, and the display panel chuck 101 is ensured to be horizontal and not to deform.

Preferably, the rolling axis of the roller 170 extends in the left-right direction, so that the rolling direction of the roller 170 is the front-back direction, the display panel chuck 101 can be pushed onto the detection bracket 110 from front to back or from right to back, and thus the mounting plates 111 on the left and right sides of the detection bracket 110 do not interfere with the placement of the display panel chuck 101 on the detection bracket 110.

Referring to fig. 1, the roller 170 is connected to the detecting bracket 110 through a height adjusting structure 180, so that the height of the roller 170 is adjustable, and the roller 170 is conveniently adjusted to be horizontal. As shown in fig. 1, the left and right ends of the roller 170 are respectively connected to a height adjusting structure 180, and the height adjusting structures 180 at the two ends can be independently adjusted to ensure the levelness of the roller 170.

In one embodiment, the height adjusting structure 180 may be a height adjusting screw. One end of the heightening screw is arranged on the detection bracket 110, the other end of the heightening screw is in threaded connection with the rotating shaft of the roller 170, and when the heightening screw is screwed, the roller 170 can be pushed to move up and down, so that the up-and-down adjustment of the roller 170 is realized.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The meaning of the above terms in the present invention can be understood by those of ordinary skill in the art as the case may be.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly but via another feature. Also, the first feature being "over" the second feature includes the first feature being directly over and obliquely over the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature "under" a second feature may include a first feature that is directly under and obliquely under the second feature, or that simply means that the first feature is at a lesser elevation than the second feature. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", "front", "rear", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the present invention.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A display panel chuck flatness detecting apparatus, comprising:

2. The device as claimed in claim 1, wherein the detecting bracket is provided with mounting plates on both sides along the first direction, the mounting plates are provided with slide rails, the device further comprises a cross beam, the cross beam is provided along the second direction, the plurality of sensors are provided on the cross beam, both ends of the cross beam are respectively connected to the slide rails of the mounting plates on both sides in a sliding manner, the sensor driving member is connected to the cross beam to drive the cross beam to move along the first direction, and the second direction is perpendicular to the first direction.

3. The display panel chuck flatness detecting apparatus according to claim 2, wherein the sensor is attached to the beam by a clamp.

4. The device as claimed in claim 3, wherein the clamp comprises a first connecting plate and a second connecting plate connected at an included angle, the first connecting plate is connected to the beam, and the second connecting plate is connected to the sensor.

5. The device as claimed in claim 2, further comprising a lifting driving member disposed on the cross member, wherein the sensor is disposed at an output end of the lifting driving member.

6. The device as claimed in claim 1, wherein the detecting frame is provided with a plurality of rollers on which the display panel chuck can be placed.

7. The device as claimed in claim 6, wherein the roller is connected to the detecting bracket via a height adjusting structure.

8. The device as claimed in claim 7, wherein the rollers are disposed in a matrix on the supporting surface.

9. The device as claimed in claim 7, wherein the height adjustment structure is a height adjustment screw.

10. The device of claim 1, wherein the sensor driving member is a sliding table module or a linear motor.