CN216482951U

CN216482951U - Detection device for TFT-LCD panel

Info

Publication number: CN216482951U
Application number: CN202123096653.9U
Authority: CN
Inventors: 李祖兵; 李振龙; 史笛
Original assignee: Wuhan Jingxin Intelligent Manufacturing Co ltd
Current assignee: Wuhan Jingxin Intelligent Manufacturing Co ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-05-10
Anticipated expiration: 2031-12-10

Abstract

The utility model discloses a TFT-LCD panel detection device, which belongs to the technical field of panel detection and comprises a detection frame, wherein the upper side of the right wall of the detection frame is rotationally connected with two rotating rods, the rotating rods are respectively screwed with a first moving block and a second moving block, the lower end of the first moving block is fixedly provided with a detection display panel, and a connecting block is arranged between the second moving blocks at both sides; this scheme can adjust the distance between detection mechanism and the detection display panel according to the different panels of difference and actual detection's different roughness, satisfy different detection demands, when having unqualified protruding on the panel, can pass through detection mechanism and detection display panel cooperation, can leave the vestige detecting the display panel, can be very audio-visual to know and exempt from the unqualified concrete position of panel, and artifical low in labor strength, high to the detection efficiency of TFT-LCD panel, and examine time measuring can be convenient fast when examining a large amount of panels, satisfy current detection demand.

Description

Detection device for TFT-LCD panel

Technical Field

The utility model relates to a panel detects technical field, more specifically says, relates to a TFT-detection device for LCD panel.

Background

The TFT-LCD panel is a kind of liquid crystal display panel, which is called thin film transistor liquid crystal display panel for short, and is one of many liquid crystal displays, and it uses thin film transistor technology to improve the image quality. Although TFT-LCDs are collectively referred to as LCDs, they are active matrix LCDs and are used in televisions, flat panel displays, and projectors. In the production process of the TFT-LCD panel, the situation of avoiding the bulge of the TFT-LCD panel can be caused by high-temperature pressing and the like, so that the flatness of the panel is required to be detected before leaving a factory, and problems or unqualified products are prevented from flowing into the market.

However, when the flatness of the panel is detected by the conventional detection device, the position of a detection instrument needs to be repeatedly moved to record data of each measuring point, so that the operation is complicated, the labor intensity is high, the adjustment time is long during detection, errors are easy to occur, the efficiency of detecting the TFT-LCD panel is low, the detection is not favorable for detecting a large number of panels, and the detection requirement cannot be met.

Therefore, it is necessary to provide a detection device for a TFT-LCD panel to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a detection device for TFT-LCD panel is with solving above-mentioned technical problem.

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

the utility model provides a TFT-LCD detection device for panel, includes the test rack, the right wall upside of test rack rotates and is connected with two bull sticks, test rack right side outer wall is provided with and is used for driving bull stick pivoted actuating mechanism, the bull stick outer wall is equipped with two sections and revolves to opposite screw, just it has first piece and the second that moves to move to connect the spiro union respectively on the bull stick, first lower extreme fixed mounting who moves the piece has the detection display panel, both sides the second moves and is equipped with the connecting block between the piece, connecting block lower extreme fixedly connected with connecting plate, the second moves and is equipped with the drive mechanism who is used for driving the connecting plate and removes on the piece, evenly be provided with a plurality of detection mechanism on the connecting plate.

Further, actuating mechanism is including fixed connection in the first motor of test stand right side outer wall, first motor output fixed mounting has two first band pulleys, both sides the equal fixedly connected with second band pulley of bull stick outer wall, the transmission is connected with the belt between first band pulley and the second band pulley.

Further, drive mechanism moves the screw rod between the piece including rotating to connect in both sides second, the connecting block spiro union is in first screw rod, one side the outer wall fixed mounting that the piece was moved to the second has and is used for driving first screw rod pivoted second motor, the inner wall of test rack right side is equipped with the limiting mechanism to the spacing removal of connecting plate.

Further, the limiting mechanism comprises two sliding rods fixedly connected to the inner wall of the right side of the detection frame, limiting blocks and two sides are connected to the sliding rods in a sliding mode, limiting rods are fixedly connected between the limiting blocks, limiting blocks are connected to the limiting rods in a sliding and penetrating mode, and the limiting blocks are fixedly connected to the bottoms of the connecting plates.

Furthermore, the detection mechanism comprises a detection rod movably penetrating through the connecting plate, a check block is fixedly connected to the outer wall of the detection rod, a reset spring is fixedly connected between the check block and the connecting plate, and the reset spring is sleeved outside the detection rod.

Furthermore, the left wall fixed mounting of detection frame has electric telescopic handle, the flexible end fixedly connected with of electric telescopic handle removes the frame, the equal fixed mounting of last lower wall that removes the frame has the fixing base, fixing base lateral wall spiro union has the second screw rod, the one end that the second screw rod is located the fixing base is rotated and is connected with the grip block.

Compared with the prior art, the utility model has the advantages of:

the scheme drives the detection display panel, the connecting plate and the detection mechanism to move through the matching of the driving mechanism and the rotating rod as well as the first moving block and the second moving block, the distance between the detection mechanism and the detection display board can be adjusted according to different panels and different planeness to be detected actually, different detection requirements are met, the application range is wide, when the unqualified large bulges are arranged on the panel, the panel can be matched with the detection display panel through the detection mechanism, the mark is left on the detection display panel, and the position of the bulge can be sent to the controller after the detection display panel is contacted, at the moment, the position of the bulge of the panel can be conveniently known, can be very audio-visual the specific position of exempting from the panel ineligibility of knowing, and artifical low in labor strength, high to TFT-LCD panel's detection efficiency to can be convenient fast when examining the panel of large quantity, satisfy current detection demand.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic side view of the right side portion of the inspection frame of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

FIG. 4 is an enlarged view of the structure at B in FIG. 2;

FIG. 5 is a schematic axial side view of a portion of the connecting plate of the present invention;

fig. 6 is a schematic top view of the right side of the inspection frame of the present invention.

The reference numbers in the figures illustrate:

1. a detection frame; 2. a rotating rod; 3. a first moving block; 4. a second moving block; 5. detecting the display panel; 6. connecting blocks; 7. a connecting plate; 8. a detection mechanism; 801. a detection lever; 802. a stopper; 803. a return spring; 9. a first motor; 10. a first pulley; 11. a second pulley; 12. a belt; 13. a first screw; 14. a second motor; 15. a slide bar; 16. a limiting block; 17. a restraining bar; 18. a limiting block; 19. a movable frame; 20. a fixed seat; 21. a second screw; 22. and (4) clamping the plate.

Detailed Description

The first embodiment is as follows:

referring to fig. 1-2 and fig. 6, a TFT-LCD panel detection device includes a detection frame 1, two rotation rods 2 are rotatably connected to the upper side of the right wall of the detection frame 1, a driving mechanism for driving the rotation rods 2 to rotate is disposed on the outer wall of the right side of the detection frame 1, two sections of threads with opposite rotation directions are disposed on the outer wall of the rotation rods 2, a first moving block 3 and a second moving block 4 are respectively screwed on the rotation rods 2, a detection display panel 5 is fixedly mounted at the lower end of the first moving block 3, a connecting block 6 is disposed between the second moving blocks 4 on the two sides, a connecting plate 7 is fixedly connected to the lower end of the connecting block 6, a transmission mechanism for driving the connecting plate 7 to move is disposed on the second moving block 4, and a plurality of detection mechanisms 8 are uniformly disposed on the connecting plate 7. During the use, through actuating mechanism and bull stick 2 cooperation, it moves piece 3 and second and moves piece 4 and be close to each other or keep away from the removal each other to drive both sides first, first piece 3 that moves can drive and detect display panel 5 and remove, and second moves piece 4 and can drive connecting plate 7 and detection mechanism 8 and remove, thereby can be according to the panel of difference, and the different roughness that actually will detect adjusts the distance between detection mechanism 8 and the detection display panel 5, can satisfy different detection demands, accommodation is wide, can satisfy multiple detection demands. After the adjustment is completed, the surface of the panel is contacted with one end of the detection mechanism 8 or stops after a proper distance is reserved, then the transmission mechanism can drive the connecting plate 7 and the detection mechanism 8 to move back and forth, when unqualified large bulges are formed on the panel, the detection mechanism 8 is matched with the detection display panel 5, marks can be left on the detection display panel 5, the positions of the bulges can be sent to the controller after the detection display panel 5 is contacted, at the moment, the positions of the bulges of the panel can be conveniently known, and further, after the panel is detected by the detection mechanism 8, whether the flatness of the panel is qualified or not can be known by detecting the result displayed by the display panel 5, and the specific positions after the flatness is unqualified can be conveniently and quickly known, so that the data of each measuring point can be conveniently and quickly known, the operation is simple, the manual labor intensity is low, the detection time is short, the data processing is fast, and errors are not easy to occur, the TFT-LCD panel detection efficiency is high, and the detection on a large number of panels can be fast and convenient, so that the existing detection requirements are met.

Referring to fig. 1-2 and fig. 6, the driving mechanism includes a first motor 9 fixedly connected to the outer wall of the right side of the detecting frame 1, two first belt pulleys 10 are fixedly installed at the output end of the first motor 9, the outer walls of the two side rotating rods 2 are fixedly connected to second belt pulleys 11, and a belt 12 is connected between the first belt pulleys 10 and the second belt pulleys 11 in a transmission manner. Drive mechanism moves screw rod 13 between the piece 4 including rotating to connect in the both sides second, connecting block 6 spiro union is in first screw rod 13, the outer wall fixed mounting that the piece 4 was moved to the second of one side has and is used for driving first screw rod 13 pivoted second motor 14, it is equipped with the limiting mechanism to the spacing removal of connecting plate 7 to detect 1 right side inner wall of frame, limiting mechanism is including two slide bars 15 of fixed connection in detecting 1 right side inner wall of frame, sliding connection has the restriction piece 16 on slide bar 15, fixedly connected with restriction pole 17 between the restriction piece 16 of both sides, sliding through connection has stopper 18 on restriction pole 17, stopper 18 fixed connection is in the bottom of connecting plate 7. The first motor 9 is started to drive the two first belt pulleys 10 to rotate, the first belt pulleys 10 drive the second belt pulleys 11 and the rotating rod 2 on two sides to rotate through the cooperation of the belt 12, the rotating rod 2 rotates to drive the first moving blocks 3 and the second moving blocks 4 on two sides to move close to or away from each other, the first moving blocks 3 drive the detection display panel 5 to move, the second moving blocks 4 drive the transmission mechanism, the connecting block 6 and the connecting plate 7 to move, the connecting plate 7 drives the detection mechanism 8 to move, the distance between the detection mechanism 8 and the detection display panel 5 can be adjusted according to different panels and different planeness to be actually detected, different detection requirements can be met, the application range is wide, the second motor 14 drives the first screw 13 to rotate, the connecting block 6 is driven to move back and forth through the first screw 13, and the connecting block 6 drives the connecting plate 7, the detection mechanism 8 and the limiting block 18 to move back and forth, and the detection mechanism 8 moves back and forth along the panel for detection.

Referring to fig. 3 and 5, the detecting mechanism 8 includes a detecting rod 801 movably penetrating through the connecting plate 7, a stopper 802 is fixedly connected to an outer wall of the detecting rod 801, a return spring 803 is fixedly connected between the stopper 802 and the connecting plate 7, and the return spring 803 is sleeved outside the detecting rod 801.

Referring to fig. 1 and 4, an electric telescopic rod is fixedly installed on the left wall of the detection frame 1, a movable frame 19 is fixedly connected to the telescopic end of the electric telescopic rod, fixed seats 20 are fixedly installed on the upper and lower walls of the movable frame 19, second screws 21 are screwed on the side walls of the fixed seats 20, and one ends of the second screws 21 located in the fixed seats 20 are rotatably connected to a clamping plate 22. The TFT-LCD panel to be detected is placed in the fixing seat 20 of the detection frame 1, then the second screw 21 is shaken to drive the clamping plate 22 to approach the panel, and finally the panel is clamped and fixed through the clamping plate 22, so that the stability of the panel in subsequent detection can be ensured, and the detection accuracy is improved. The electric telescopic rod can drive the movable frame 19 and the panel to move left and right, and the detection distance of the movable frame and the panel can be conveniently adjusted.

The working principle is as follows: when the detection frame is used, firstly, a TFT-LCD panel to be detected is placed in the fixed seat 20 of the detection frame 1, then the second screw 21 is shaken to drive the clamping plate 22 to approach the panel, and finally, the panel is clamped and fixed through the clamping plate 22. Then start first motor 9 and drive two first pulleys 10 and rotate, first pulley 10 drives the second band pulley 11 and the bull stick 2 rotation of both sides simultaneously through the cooperation of belt 12, bull stick 2 rotates and can drive the first piece 3 that moves in both sides and the second and move piece 4 and be close to each other or keep away from each other the removal each other, first piece 3 that moves can drive and detect display panel 5 and move, and the second moves piece 4 and can drive mechanism, connecting block 6 and connecting plate 7 and move, connecting plate 7 can drive detection mechanism 8 and move, can be according to the panel of difference, and the different roughness that actually will detect adjusts the distance between detection mechanism 8 and the detection display panel 5.

After the distance between the detection mechanism 8 and the detection display panel 5 is adjusted, the electric telescopic rod drives the moving frame 19 and the fixed panel to move towards the direction of the connecting plate 7 and the detection mechanism 8 until the surface of the panel contacts with one end of the detection rod 801 of the detection mechanism 8 or a proper distance is reserved, then the electric telescopic rod stops, the second motor 14 can drive the first screw 13 to rotate, the first screw 13 drives the connecting block 6 to move back and forth, so that the connecting block 6 can drive the connecting plate 7, the detection mechanism 8 and the limiting block 18 to move back and forth, further, the detection rod 801 of the detection mechanism 8 can move back and forth along the panel, when the panel has unqualified large bulges, the detection rod 801 can be extruded, the detection rod 801 can move towards the direction close to the detection display panel 5 and simultaneously stretches the reset spring 803, and finally, one end of the detection rod 801 can contact with the detection display panel 5, and then will leave the trace at the detection display panel 5 to receive the posterous position to send the controller with protruding through detecting display panel 5, can be convenient this moment know the protruding position of panel, and then through 8 back to the panel detection that finishes of detection mechanism, can know whether this panel roughness is qualified through the result that detects display panel 5 demonstration.

Claims

1. The utility model provides a TFT-LCD detection device for panel, includes the testing stand, its characterized in that: the utility model discloses a detection frame, including detection frame, bull stick, connecting block lower extreme fixedly mounted, the right wall upside of detection frame rotates and is connected with two bull sticks, detection frame right side outer wall is provided with and is used for driving bull stick pivoted actuating mechanism, the bull stick outer wall is equipped with two sections and revolves to opposite screw, just it moves the piece with the second to have first moving piece and second to move on the bull stick respectively the spiro union, the first lower extreme fixed mounting who moves the piece has the detection display panel, both sides the second moves and is equipped with the connecting block between the piece, connecting block lower extreme fixedly connected with connecting plate, the second moves and is equipped with the drive mechanism who is used for driving the connecting plate to remove on the piece, evenly be provided with a plurality of detection mechanism on the connecting plate.

2. The inspection apparatus for a TFT-LCD panel as set forth in claim 1, wherein: the driving mechanism comprises a first motor fixedly connected to the outer wall of the right side of the detection frame, two first belt wheels and two second belt wheels are fixedly mounted at the output end of the first motor, the outer wall of the rotating rod is fixedly connected with the second belt wheels, and a belt is in transmission connection between the first belt wheels and the second belt wheels.

3. The inspection apparatus for a TFT-LCD panel as set forth in claim 2, wherein: the transmission mechanism is connected in the screw rod between the second moving blocks on the two sides in a rotating mode, the connecting block is connected to the first screw rod in a threaded mode, one side of the second moving block is fixedly provided with a second motor used for driving the first screw rod to rotate, and the inner wall of the right side of the detection frame is provided with a limiting mechanism for limiting the connecting plate to move.

4. The inspection apparatus for a TFT-LCD panel according to claim 3, characterized in that: limiting mechanism is including two slide bars of fixed connection in the inner wall of test rack right side, sliding connection has the restriction piece on the slide bar, both sides fixedly connected with restriction pole between the restriction piece, sliding through connection has the stopper on the restriction pole, stopper fixed connection is in the bottom of connecting plate.

5. The inspection apparatus for a TFT-LCD panel as set forth in claim 1, wherein: the detection mechanism comprises a detection rod movably penetrating through a connecting plate, a stop block is fixedly connected to the outer wall of the detection rod, a reset spring is fixedly connected between the stop block and the connecting plate, and the reset spring is sleeved outside the detection rod.

6. The inspection apparatus for a TFT-LCD panel as set forth in claim 1, wherein: the left wall fixed mounting of detection frame has first electric telescopic handle, the flexible end connection of first electric telescopic handle removes the frame, the equal fixed mounting of the last lower wall that removes the frame has the fixing base, fixing base lateral wall spiro union has the second screw rod, the one end that the second screw rod is located the fixing base is rotated and is connected with the grip block.