CN213779457U - Display panel test bench - Google Patents

Abstract

The utility model relates to a display panel testboard, including laborsaving body, test lamp house, shooting subassembly and drive assembly. The labor-saving body comprises a frame and an adsorption component arranged on the frame, and the adsorption component comprises a suction nozzle used for adsorbing the display panel. The test lamp box is used for placing a display panel to be tested. The shooting component is used for shooting the display panel to be tested so as to acquire the image information of the display panel. The driving assembly drives the labor-saving body based on the position information of the display panel to be tested in the image information so that the suction nozzle adsorbs the display panel to be tested, and the display panel to be tested is placed in the test lamp box. The utility model discloses a cooperation work of the laborsaving body, test lamp house and shooting subassembly places the test lamp house with display panel on accurately fast, and degree of automation is high, and is favorable to improving ultimate measuring accuracy.

Description

Display panel test bench

Technical Field

The utility model relates to a display panel testboard.

Background

In the manufacturing process of the display panel, various defects are inevitably generated for various reasons. Various tests need to be performed on the display panel in sequence through various test components of the display panel test bench. For example, the display panel may have a phenomenon in which the internal brightness is not uniform. The display panel needs to be compensated by an optical compensation assembly on the display panel test stand, and in the process, the camera shoots the display panel to acquire information of uneven brightness in the display panel.

In the test process of the display panel, the traditional method is to complete the feeding and discharging work and the shifting work manually, the test efficiency is low, and the working strength of workers is high. The test of the large-size display panel has high requirements on the transportation of workers, the display panel is easy to damage in the transportation process, and potential safety hazards are easy to exist.

In summary, the conventional display panel testing table has low automation degree.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a display panel testboard to improve degree of automation.

To achieve the purpose, the utility model adopts the following technical proposal:

a display panel test stand, comprising:

the labor-saving body comprises a frame and an adsorption component arranged on the frame, wherein the adsorption component comprises a suction nozzle used for adsorbing a display panel;

the test lamp box is used for placing the display panel to be tested;

the shooting component is used for shooting the display panel to be tested so as to acquire image information of the display panel;

and the driving component drives the labor-saving body based on the position information of the display panel to be tested in the image information so that the suction nozzle adsorbs the display panel to be tested and places the display panel to be tested in the test lamp box.

Preferably, in the above test bench for display panels, the number of the suction nozzles is at least two, at least two suction nozzles form a suction area, and the positions of at least two suction nozzles are adjustable to change the size of the suction area.

Preferably, in the above-mentioned display panel test bench, the suction nozzle is disposed on at least one outer side of the frame, and the position of the outer side is adjustable.

Preferably, in the above-mentioned display panel testing table, the display panel testing table further includes a first base for placing the display panel, and the driving component drives the labor-saving body based on the position information of the display panel on the first base in the image information.

Preferably, in the above-mentioned display panel test bench, the test light box includes a platform for placing the display panel and a driving mechanism for driving the platform to move horizontally, lift and turn.

Preferably, in the above display panel test stand, the camera assembly further includes a movable base frame and a camera mounted on the base frame.

Preferably, in the above-mentioned display panel test bench, the shooting assembly further includes an angle-adjustable adjusting bracket, and the camera is mounted on the adjusting bracket.

Preferably, in the above display panel test bench, the driving assembly includes a bracket, a cross bar and a lifting assembly, and the bracket includes a longitudinal beam; the transverse rod is longitudinally movably mounted on the longitudinal beam; the lifting assembly is transversely movably arranged on the transverse rod; the lifting assembly is configured to drive the labor-saving body to lift;

preferably, in the above display panel test bench, the lifting assembly includes a lifting rope, and the lifting rope is detachably connected to the frame.

Preferably, in above-mentioned display panel testboard, the control frame is installed to the frame, install the control assembly on the control frame, the control assembly includes control lifting handle and control gas circuit handle.

The utility model discloses a display panel testboard's beneficial effect lies in: through the coordination work of the labor-saving body, the test lamp box and the shooting assembly, the display panel is placed on the test lamp box quickly and accurately, the automation degree is high, and the improvement of the final test precision is facilitated.

Drawings

Fig. 1 is a perspective view of a part of a display panel test board according to an embodiment of the present invention;

fig. 2 is a perspective view of a support, a cross bar, and a lifting assembly of a test stand for a display panel according to an embodiment of the present invention;

fig. 3 is a perspective view of the display panel on the first base being sucked by the labor-saving body of the test board for display panel according to the embodiment of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3;

fig. 5 is a perspective view of the whole structure of the test board of the display panel according to the embodiment of the present invention;

fig. 6 is a perspective view of a shooting assembly of a test board of a display panel according to an embodiment of the present invention;

fig. 7 is a perspective view of the testing lamp box of the testing platform for displaying panel of the present invention.

The component names and designations in the drawings are as follows:

the device comprises a support 10, a longitudinal beam 11, a cross beam 12, a support column 13, an accommodating space 14, a transverse rod 20, a lifting assembly 30, a third driving piece 31, a labor-saving body 40, a frame 41, a first rod body 411a, a second rod body 411b, a rail 411b1, a moving body 4112, a suction nozzle 42, a lifting block 43, a U-shaped plate 44, a movable groove 441, a protective frame 45, an anti-collision body 451, a control frame 47, a control lifting handle 471, a control air circuit handle 472, a controller display screen 473, a first base 50a, a first base 50b, a shooting assembly 60, a camera 61, a chassis 62, an adjusting frame 63, an operation panel 64, a test lamp box 70, a platform 71, a translation lifting mechanism 72, a turnover mechanism 73, a P-Gamma test assembly 80 and a display panel 90.

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.

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 specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

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. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that 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 and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

As shown in fig. 1 and 3, the present embodiment discloses a display panel test stand including a labor-saving body 40, a test lamp box 70, a photographing assembly 60, and a driving assembly. The labor-saving body 40 includes a frame 41 and a suction assembly mounted on the frame 41, the suction assembly including a suction nozzle 42 for sucking the display panel 90. The test light box 70 is used for placing the display panel 90 to be tested. The photographing assembly 60 is used for photographing the display panel 90 to be tested to acquire image information of the display panel 90. The driving assembly drives the labor-saving body 40 based on the position information of the display panel 90 to be tested in the image information so that the suction nozzle 42 adsorbs the display panel 90 to be tested, and places the display panel 90 to be tested on the test lamp box 70.

The coordination work of the labor-saving body 40, the test lamp box 70 and the shooting assembly 60 is utilized to place the display panel 90 on the test lamp box 70 quickly and accurately, the automation degree is high, and the improvement of the final test precision is facilitated.

Further, the display panel test stand further includes a first base 50 for placing the display panel 90, and the driving assembly drives the labor-saving body 40 based on the position information of the display panel 90 on the first base 50 in the image information. Specifically, the display panel test bench includes a first base 50a and a second base 50b distributed at both sides of the photographing assembly 60, and the first base 50a and the second base 50b are used for feeding and discharging materials, respectively.

The frame 41 of this embodiment may be a rectangular frame, and in other embodiments, the frame 41 may also have a circular or diamond shape. The suction assembly includes a suction nozzle 42 for sucking the display panel 90. The suction nozzle 42 is disposed perpendicular to the frame 41 and below the frame 41. The number of suction nozzles 42 is at least two, and at least two suction nozzles 42 are distributed on the frame 41 and are all communicated with the suction device through a pipeline. When the suction device is turned on, the suction nozzle 42 sucks the display panel 90, and when the suction device is turned off, the suction nozzle 42 releases the display panel 90.

The at least two suction nozzles 42 form a suction area, and the positions of the at least two suction nozzles 42 are adjustable to change the size of the suction area. The carrying mechanism further includes a suction nozzle adjusting mechanism configured to determine the suction nozzle 42 to be moved according to the size of the display panel 90, and move the suction nozzle 42 to be moved to a preset suction position to suck the display panel 90. The positions of the at least two suction nozzles 42 of the present embodiment are adjustable to change the size of the suction area, so that the display panels 90 with different sizes can be sucked, and the application range is wide.

In this embodiment, the suction nozzle 42 is disposed on at least one outer side of the frame 41, and the position of the outer side is adjustable. For example, a suction nozzle 42 is provided on one outer side of the frame 41, and the shape and area of the suction area are changed by adjusting the position of the outer side. Further, in the present embodiment, the suction nozzle 42 is disposed on at least three outer sides of the frame 41, and the positions of the at least three outer sides are adjustable. For example, the suction nozzles 42 are provided on three outer sides of the frame 41, and the shape and area of the suction area are changed by adjusting the positions of the three outer sides. In other embodiments, the positions of the four outer sides of the rectangular frame 41 may be adjustable.

Specifically, the frame 41 includes a first rod 411a and a second rod 411b, the first rod 411a and the second rod 411b are disposed in a staggered manner, and at least one of the outer first rods 411a is movably disposed on the second rod 411 b. The outer first rod 411a and the outer second rod 411b form the outer edge of the frame 41. The first rod 411a and the second rod 411b are perpendicular to each other in this embodiment. In other embodiments, the first rod 411a and the second rod 411b may form other angles. In this embodiment, the number of the first rods 411a and the number of the second rods 411b may be at least two. For example, the number of the first stick 411a and the number of the second stick 411b may be two, three, or four, etc.

More than one suction nozzle 42 may be mounted on each of the first rod 411a and the second rod 411b, or more than one suction nozzle 42 may be mounted only on a part of the first rod 411a and a part of the second rod 411 b.

In this embodiment, a section of track 411b1 is disposed on the second rod 411b, a moving member 4112 is connected to the first rod 411a, and the moving member 4112 is movably disposed in the track 411b 1. Moving body 4112 may be a plunger bolt or other structural member. Each rail 411b1 is disposed between two adjacent first rods 411 a.

In this embodiment, the rail 411b1 is installed with an elastic member, which may be a spring. The elastic member is connected to the moving member 4112, and the first rod 411a and the moving member 4112 have a first state of moving away from the rail 411b1 under an external force and a second state of being positioned at the second rod 411b under a restoring force of the elastic member after the external force is removed. When the first rod 411a is moved, the first rod 411a can be lifted up, then moved to a predetermined position, and finally the first rod 411a is released, and the first rod 411a is pressed and positioned on the second rod 411b again under the action of the elastic member. The positioning manner of the first rod 411a of this embodiment is simple.

The position of the second rod 411b is adjusted in the same manner as the position of the first rod 411 a. And will not be described in detail herein.

In this embodiment, the labor-saving body 40 further includes a protection frame 45 disposed at the periphery of the frame 41, and the protection frame 45 is wrapped with a flexible anti-collision body 451. The anti-collision body 451 may be anti-collision cotton or anti-collision silica gel or other elastic anti-collision objects. The impact preventing body 451 is provided to reduce vibration generated when the frame 41 collides with another object, and also to improve safety.

The driving assembly comprises a bracket 10, a transverse rod 20, a lifting assembly 30, a first driving piece and a second driving piece. As shown in fig. 1 and 2, the bracket 10 includes a longitudinal beam 11. The transverse bar 20 is mounted longitudinally movably on the longitudinal beam 11. The lifting assembly 30 is transversely movably mounted on the transverse bar 20. The lifting assembly 30 is configured to drive the power saving body 40 to ascend and descend. The first drive member is configured to drive the transverse bar 20 in longitudinal movement. The second drive member is configured to drive the lifting assembly 30 in a lateral movement. The first driving member and the second driving member may be a motor and a chain, or a motor and a screw mechanism.

The first driving member drives the transverse rod 20 to move longitudinally, the second driving member drives the lifting assembly 30 to move transversely, so as to drive the labor-saving body 40 to reach the position right above the display panel 90 on the first base 50a, the labor-saving body 40 descends, the suction nozzle 42 adsorbs the display panel 90, and loading, unloading or displacement of the display panel 90 is completed instead of manual work. Compared with the prior art, the display panel test bench of the embodiment can improve the automation degree of the display panel test bench.

As shown in fig. 2, in the present embodiment, the support 10 further includes a support column 13 and a cross beam 12, the number of the cross beam 12 and the number of the longitudinal beam 11 are at least two, and both the cross beam 12 and the longitudinal beam 11 are supported by the support column 13, and the cross beam 12, the longitudinal beam 11 and the support column 13 enclose an accommodating space 14. For example, the number of the cross beams 12 and the number of the longitudinal beams 11 in the present embodiment are two, and the two cross beams 12 are connected with the two longitudinal beams 11 and enclose a rectangular structure. The number of the support columns 13 is four, and the four support columns 13 are vertically arranged. Both ends of the transverse bar 20 are movably mounted on the two longitudinal beams 11, respectively. The receiving space 14 is used for receiving the test assembly and forming a working space. The overall size of the stent 10 of this embodiment may be 6420mmx5360mmx4200 mm. The longitudinal beams 11 as well as the transverse bars 20 can be made of aluminium profiles. The aluminum profile has the advantage of light weight. The overall size of the display panel test bench of the present embodiment may be 7500mmx5500mmx4350 mm.

In this embodiment, the lift assembly 30 is removably coupled to the frame 41. Further, the lifting assembly 30 includes a third driving member 31 and a lifting rope (not shown) driven by the third driving member 31, and the third driving member 31 may be a motor. The lifting rope is detachably connected with the frame 41, so that the frame 41 can be detached from the lifting rope as required, and the display panel 90 is manually carried, so that the flexibility of the display panel test bench of the embodiment is improved. For example, when the size of the display panel 90 is small, at this time, the display panel 90 may be carried by a person.

In this embodiment, the medial surface of two longerons 11 all is provided with longitudinal rail, and the longitudinal rail is embedded to have the gyro wheel, and the both ends of transverse bar 20 are connected with the gyro wheel respectively for the both ends of transverse bar 20 are respectively through the portable setting on longitudinal rail of gyro wheel. The transverse rod 20 is provided with a transverse rail in which a roller is embedded, and the third driving member 31 of the lifting assembly 30 is connected with the roller such that the third driving member 31 of the lifting assembly 30 is movably disposed on the transverse rail through the roller.

In the embodiment, the frame 41 is provided with the lifting block 43, and the position of the lifting block 43 relative to the frame 41 is adjustable, so that the lifting position can be adjusted to ensure the balance of the frame 41 in the lifting process.

As shown in fig. 4, in the present embodiment, a U-shaped plate 44 is mounted on the frame 41, and the U-shaped plate 44 may be mounted on the top surface of the frame 41 by screws.

The U-shaped plate 44 forms a movable groove 441, and the lifting block 43 is movably arranged in the movable groove 441 to change the lifting position. After the lifting position is adjusted, the lifting block 43 needs to be fixed relative to the U-shaped plate 44 through a locking member, so that the lifting position is prevented from being changed in the lifting process. The U-shaped plate 44 of this embodiment has a simple structure, and has an opening formed at one end thereof, so that the lifting block 43 can enter or exit the movable groove 441. The width of the movable groove 441 is smaller than that of the lifting block 43 so as to limit the lifting block 43 and prevent the lifting block 43 from being separated from the movable groove 441 upwards in the lifting process.

In this embodiment, the labor-saving body 40 further includes a protection frame 45 disposed at the periphery of the frame 41, and the protection frame 45 is wrapped with a flexible anti-collision body 451. The anti-collision body 451 may be anti-collision cotton or anti-collision silica gel or other elastic anti-collision objects. The impact preventing body 451 is provided to reduce vibration generated when the frame 41 collides with another object, and also to improve safety.

In this embodiment, frame 41 has control frame 47 mounted thereon, and control frame 47 has mounted thereon a control assembly including control lift handle 471 and control air circuit handle 472, and a controller display 473 disposed between control lift handle 471 and control air circuit handle 472.

The working process of the display panel test bench of the embodiment is as follows:

when the display panel 90 is sucked: the labor-saving body 40 is manually moved to a position directly above the display panel 90 on the first base 50a by operating the handle. The labor-saving body 40 is controlled to descend by controlling the lifting handle 471 until the suction nozzle 42 contacts the display panel 90. The suction nozzle 42 is controlled to suck the display panel 90 by controlling the air path handle 472. The height of the labor-saving body 40 is raised by controlling the lifting handle 471.

When the display panel 90 is released: the labor-saving body 40 is moved to a position right above the platform 71 of the test light box 70, the controller display screen 473 is observed, and the lifting handle 471 is controlled to control the labor-saving body 40 to descend until the display panel 90 is located at a predetermined position on the platform 71. The suction nozzle 42 is controlled to release the display panel 90 by controlling the air path handle 472.

In the above process, the present embodiment captures the mark points of the display panel 90 by the camera 61 to improve the position accuracy of the display panel 90 on the platform 71, thereby improving the test accuracy of the test assembly.

As shown in fig. 6, in the present embodiment, the camera assembly 60 further includes a movable base frame 62 and an angularly adjustable adjusting frame 63 mounted on the base frame 62, and the camera 61 is mounted on the adjusting frame 63. In the process of testing the display panel 90, the angle of the camera 61 needs to be adjusted. Different angles of the camera 61 are also often required for different sizes of display panels 90. In this embodiment, an operation panel 64 is further mounted on the chassis 62. The worker can conveniently control the photographing assembly 60.

The bottom end of the chassis 62 is mounted with road wheels so that the chassis 62 can be moved. The bottom end of the chassis 62 is also mounted with a stopper to temporarily fix the chassis 62 at a predetermined position.

As shown in fig. 5 and 7, in the present embodiment, the test light box 70 includes a platform 71 for placing the display panel 90 and a driving mechanism for driving the platform 71 to move horizontally, lift and turn. The driving mechanism includes a translational elevating mechanism 72 and a turnover mechanism 73. A P-Gamma test component 80 is also mounted near the test lamp box 70. The power source of the translational lifting mechanism 72 and the turnover mechanism 73 can be both motors.

The platform 71 carries the display panel 90 to the P-Gamma testing assembly 80 for testing. After the P-Gamma test assembly 80 finishes the test, the platform 71 is turned over at a certain angle, and the camera 61 shoots the display panel 90 to obtain the brightness information of the display panel 90. In the process of testing the brightness, the platform 71 is driven to lift by the translation lifting mechanism 72 according to the display panels 90 with different sizes so as to ensure the testing precision. Finally, the labor-saving body 40 sends the tested display panel 90 to the second base 50 b. The display panel test bench of the embodiment can be controlled by only one worker.

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 (10)

1. A display panel test bench, comprising:

a labor-saving body (40), the labor-saving body (40) comprising a frame (41) and an adsorption component mounted on the frame (41), the adsorption component comprising a suction nozzle (42) for adsorbing a display panel (90);

a test light box (70), wherein the test light box (70) is used for placing the display panel (90) to be tested;

the shooting component (60) is used for shooting the display panel (90) to be tested so as to acquire image information of the display panel (90);

and the driving component drives the labor-saving body (40) to enable the suction nozzle (42) to adsorb the display panel (90) to be tested based on the position information of the display panel (90) to be tested in the image information, and places the display panel (90) to be tested on the test lamp box (70).

2. The display panel test bench according to claim 1, wherein the number of the suction nozzles (42) is at least two, at least two of the suction nozzles (42) form a suction area, and the positions of at least two of the suction nozzles (42) are adjustable to change the size of the suction area.

3. The display panel test bench according to claim 2, wherein said suction nozzle (42) is disposed on at least one outer side of said frame (41), and the position of said outer side is adjustable.

4. The display panel test stand according to claim 1, further comprising a first base (50) for placing the display panel (90), wherein the driving assembly drives the labor-saving body (40) based on the position information of the display panel (90) on the first base (50) in the image information.

5. The display panel test bench of claim 1, wherein the test lamp box (70) comprises a platform (71) for placing the display panel (90) and a driving mechanism for driving the platform (71) to move horizontally, to ascend and to overturn.

6. The display panel test stand according to claim 1, wherein the photographing assembly (60) further comprises a movable base frame (62) and a camera (61) mounted on the base frame (62).

7. The display panel test bench according to claim 6, wherein the photographing assembly (60) further comprises an angle-adjustable adjusting bracket (63), and the camera (61) is mounted on the adjusting bracket (63).

8. The display panel test bench according to claim 1, wherein said driving assembly comprises a bracket (10), a cross bar (20) and a lifting assembly (30), said bracket (10) comprising a longitudinal beam (11); the transverse bar (20) is mounted on the longitudinal beam (11) in a longitudinally movable manner; the lifting assembly (30) is mounted on the transverse bar (20) in a transversely movable manner; the lifting assembly (30) is configured to drive the labor-saving body (40) to lift.

9. The display panel test bench of claim 8, wherein said lift assembly (30) comprises a lifting rope, said lifting rope being detachably connected to said frame (41).

10. The display panel test bench according to any of claims 1-9, wherein said frame (41) is mounted with a control rack (47), said control rack (47) is mounted with a control assembly, said control assembly comprises a control lift handle (471) and a control air path handle (472).

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