Liquid crystal panel voltage withstanding test device
By designing a support mechanism, the problem of instability at the bottom of the LCD panel in the LCD panel pressure resistance testing device was solved, achieving stable support and accurate testing results for the LCD panel during testing.
Patent Information
- Application Number
- CN202422985328.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2034-12-04
AI Technical Summary
Existing LCD panel pressure resistance testing equipment cannot maintain balance and stability at the bottom of the LCD panel when pressure is applied, which affects the test results.
A support mechanism is adopted, including components such as support columns, support grooves, motors and lead screws. The motor drives the lead screw to rotate, thereby realizing the movement of the support columns and the compression of the support blocks, ensuring uniform support at the bottom of the LCD panel and preventing instability of the LCD panel during testing.
This achieves stable support for the LCD panel during testing, ensuring the accuracy and reliability of test results and avoiding test errors caused by instability.
Smart Images

Figure CN223856908U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to liquid crystal panel pressure test device technical field especially relates to a kind of liquid crystal panel pressure test device. BACKGROUND
[0002] Liquid crystal panel needs to carry out pressure test, to detect whether liquid crystal panel will appear damage, performance decline or abnormal phenomenon when being subjected to specific pressure or voltage.
[0003] Through the search, the utility model patent with application No.202020648195.1, a novel liquid crystal panel testing device, the patent device is driven by motor first gear rotation, first gear drives second gear rotation, second gear rotation drives screw rod lifting, to realize the lifting of pressing plate, pressing plate exerts pressure on the liquid crystal panel to be measured, the size of the pressure exerted on the liquid crystal panel to be measured is changed by the lifting of pressing plate, pressure sensor senses the size of the pressure exerted, so the test device can be suitable for testing various models of liquid crystal panel. And the load-bearing platform for placing the liquid crystal panel to be measured can move forward and backward, so that it can ensure that the liquid crystal panel is pressed in each area, and the accuracy of testing is guaranteed.
[0004] But the patent device can not keep balance and stability when exerting pressure on liquid crystal panel, which leads to the fact that the device cannot truly test the damage of liquid crystal panel under pressure, affecting the pressure test effect of the device on liquid crystal panel. UTILITY MODEL CONTENT
[0005] The utility model aims at solving the shortcomings in the prior art and provides a liquid crystal panel pressure test device.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0007] A kind of liquid crystal panel pressure test device, including fixed frame, fixed frame is internally provided with support mechanism, support mechanism includes the lifting block of sliding connection in the inner wall of fixed frame side face, the top of lifting block is evenly provided with support slot, the circumferential side face inner wall of support slot is slidably connected with support column, the top of support column extends to the upper of lifting block, and the bottom of support column is fixedly connected with spring between the bottom inner wall of support slot.
[0008] Preferably, the circumferential side face bottom inner wall of support slot is fixedly connected with support ring, the bottom of lifting block is evenly fixedly connected with motor two aligned with support column, the output shaft of motor two is fixedly connected with screw rod two, and the other end of screw rod two extends to the below of support slot.
[0009] Preferably, the circumferential side of the second screw rod is threadedly connected with a supporting block, the side of the supporting block is slidingly connected with the inside of the lifting block, and the top of the supporting block extends to the bottom of the supporting groove.
[0010] Preferably, the inside walls of the two sides of the fixing frame are fixedly connected with a supporting frame above the lifting block, the two sides of the supporting frame are provided with a moving groove, the side inner wall of the moving groove is fixedly connected with a third motor, the output shaft of the third motor is fixedly connected with a third screw rod, and the other end of the third screw rod is rotatably connected with the side inner wall of the moving groove.
[0011] Preferably, the circumferential side of the third screw rod is threadedly connected with a moving plate, the bottom of the moving plate is slidingly connected with the bottom inner wall of the moving groove, and the side of the moving plate is provided with a clamping groove.
[0012] Preferably, the side inner wall of the fixing frame is provided with a lifting groove, the bottom inner wall of the lifting groove is fixedly connected with a first motor, the output shaft of the first motor is fixedly connected with a first screw rod, the other end of the first screw rod is rotatably connected with the top inner wall of the lifting groove, the circumferential side of the first screw rod is threadedly connected with a lifting plate, and the side of the lifting plate is slidingly connected with the side inner wall of the lifting groove.
[0013] Preferably, the other side of the lifting plate is fixedly connected with the side of the lifting block, the top of the fixing frame is fixedly connected with a hydraulic machine body, the bottom of the hydraulic machine body is slidingly connected with a hydraulic column, and the bottom of the hydraulic column is fixedly connected with a pressing plate above the supporting frame.
[0014] Compared with the prior art, the liquid crystal panel pressure test device has the following beneficial effects:
[0015] The supporting column is arranged, the external pressure sensor body is arranged and fixed on the top of the supporting ring and the supporting block, the liquid crystal panel body is arranged between the clamping grooves, the third motor is started, the third motor drives the third screw rod to rotate, the third screw rod drives the moving plate to move, the moving plate drives the clamping groove to move, the two ends of the liquid crystal panel body are inserted into the two clamping grooves, the first motor is started, the first motor drives the first screw rod to rotate, the first screw rod drives the lifting plate to move, the lifting plate drives the lifting block to move, the lifting block drives the supporting column to move close to the extruded liquid crystal panel body, when the supporting column is extruded below the liquid crystal panel body, the protruding part of the liquid crystal panel body is extruded and drives the supporting column to move, the supporting column is extruded on the supporting ring, and the external pressure sensor body sends data, so that the second motor which is aligned with the external pressure sensor body which does not send data is started, the second motor drives the second screw rod to rotate, the second screw rod drives the supporting block to move, the supporting block is in contact with the supporting column, and the second motor is stopped, so that the liquid crystal panel body below is uniformly supported, which is beneficial to prevent the bottom of the liquid crystal panel body from being unable to keep balance and stability when the device applies pressure to the liquid crystal panel body, so as to prevent the device from being unable to truly test the damage of the liquid crystal panel body under pressure, and affect the pressure test effect of the device on the liquid crystal panel body. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the overall structure of a liquid crystal panel withstand voltage testing device proposed in this utility model;
[0017] Figure 2 This is a schematic diagram of the internal structure of a liquid crystal panel withstand voltage testing device proposed in this utility model;
[0018] Figure 3 This is a partial structural schematic diagram of a liquid crystal panel withstand voltage testing device proposed in this utility model;
[0019] Figure 4 for Figure 2 Enlarged schematic diagram of the structure at point A in the middle.
[0020] In the diagram: 1-Fixed frame, 2-Lifting groove, 3-Lifting plate, 4-Motor 1, 5-Screw 1, 6-Motor 2, 7-Support block, 8-Screw 2, 9-Support groove, 10-Support ring, 11-Spring, 12-Lifting block, 13-Support column, 14-Card slot, 15-Moving groove, 16-Moving plate, 17-Support frame, 18-Pressure plate, 19-Hydraulic press body, 20-Hydraulic column, 21-Screw 3, 22-Motor 3. Detailed Implementation
[0021] Example, refer to Figures 1-4 A pressure resistance testing device for a liquid crystal panel includes a fixed frame 1. A support mechanism is provided inside the fixed frame 1. The support mechanism includes a lifting block 12 that is slidably connected to the inner wall of the side of the fixed frame 1. The top of the lifting block 12 is evenly provided with support grooves 9. A support column 13 is slidably connected to the inner wall of the circumferential side of the support groove 9. The top of the support column 13 extends above the lifting block 12. A spring 11 is fixedly connected between the bottom of the support column 13 and the bottom inner wall of the support groove 9.
[0022] In this utility model, a support ring 10 is fixedly connected to the bottom inner wall of the circumferential side of the support groove 9, and a motor 6 aligned with the support column 13 is evenly fixedly connected to the bottom of the lifting block 12. The output shaft of the motor 6 is fixedly connected to a lead screw 8, and the other end of the lead screw 8 extends to the bottom of the support groove 9.
[0023] The circumferential side of the lead screw 8 is threaded with a support block 7. The side of the support block 7 is slidably connected to the inside of the lifting block 12, and the top of the support block 7 extends to the bottom of the support groove 9.
[0024] The inner wall between the two sides of the fixed frame 1 is fixedly connected with a support frame 17 above the lifting block 12, the two sides of the support frame 17 are provided with a moving slot 15, the side wall of the moving slot 15 is fixedly connected with a motor three 22, the output shaft of the motor three 22 is fixedly connected with a lead screw three 21, the other end of the lead screw three 21 is rotatably connected to the side wall of the moving slot 15.
[0025] The circumference side of the lead screw three 21 is threadedly connected with a moving plate 16, the bottom of the moving plate 16 is slidably connected to the bottom inner wall of the moving slot 15, and the side of the moving plate 16 is provided with a clamping groove 14.
[0026] The inner wall of the side of the fixed frame 1 is provided with a lifting slot 2, the bottom inner wall of the lifting slot 2 is fixedly connected with a motor one 4, the output shaft of the motor one 4 is fixedly connected with a lead screw one 5, the other end of the lead screw one 5 is rotatably connected to the top inner wall of the lifting slot 2, the circumference side of the lead screw one 5 is threadedly connected with a lifting plate 3, and the side of the lifting plate 3 is slidably connected to the side inner wall of the lifting slot 2.
[0027] The other side of the lifting plate 3 is fixedly connected to the side of the lifting block 12, the top of the fixed frame 1 is fixedly connected with a hydraulic machine body 19, the bottom of the hydraulic machine body 19 is slidably connected with a hydraulic column 20, and the bottom of the hydraulic column 20 is fixedly connected with a pressing plate 18 above the support frame 17.
[0028] Working principle: the external pressure sensor body is fixedly arranged on the top of the support ring 10 and the support block 7, the liquid crystal panel body is placed between the clamping grooves 14, the motor three 22 is started, the motor three 22 drives the lead screw three 21 to rotate, the lead screw three 21 drives the moving plate 16 to move, the moving plate 16 drives the clamping groove 14 to move, so that the two ends of the liquid crystal panel body are inserted into the two clamping grooves 14, the motor one 4 is started, the motor one 4 drives the lead screw one 5 to rotate, the lead screw one 5 drives the lifting plate 3 to move, the lifting plate 3 drives the lifting block 12 to move, the lifting block 12 drives the support column 13 to approach the extruded liquid crystal panel body, when the support column 13 is extruded below the liquid crystal panel body, the protruding part of the liquid crystal panel body is extruded and drives the support column 13 to move, the support column 13 is extruded on the support ring 10, and the external pressure sensor body sends data, so that the motor two 6 aligned with the external pressure sensor body without sending data is started, the motor two 6 drives the lead screw two 8 to rotate, the lead screw two 8 drives the support block 7 to move, the support block contacts with the support column 13 to stop the motor two 6, so that the liquid crystal panel body below is uniformly supported, which is beneficial to prevent the device from applying pressure to the liquid crystal panel body, so that the bottom of the liquid crystal panel body cannot keep balance and stability, resulting in that the device cannot truly test the damage of the liquid crystal panel body under pressure, and affecting the pressure test effect of the device on the liquid crystal panel body.
[0029] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.
Claims
1. A liquid crystal panel voltage resistance testing device comprising a fixing frame (1), characterized in that, The fixed frame (1) is internally provided with a support mechanism, the support mechanism includes the lifting block (12) which is slidably connected to the inner wall of the side of the fixed frame (1), the top of the lifting block (12) is uniformly provided with the support groove (9), the circumferential side wall of the support groove (9) is slidably connected with the support column (13), the top of the support column (13) extends above the lifting block (12), and the bottom of the support column (13) is fixedly connected with the spring (11) between the bottom inner wall of the support groove (9).
2. The liquid crystal panel voltage resistance test device according to claim 1, wherein The circumferential side wall of the bottom of the support groove (9) is fixedly connected with the support ring (10), the bottom of the lifting block (12) is fixedly connected with the motor two (6) aligned with the support column (13), the output shaft of the motor two (6) is fixedly connected with the screw rod two (8), and the other end of the screw rod two (8) extends below the support groove (9).
3. The liquid crystal panel voltage resistance test device according to claim 2, wherein The circumferential side wall of the screw rod two (8) is threadedly connected with the support block (7), the side of the support block (7) is slidably connected to the inside of the lifting block (12), and the top of the support block (7) extends to the bottom of the support groove (9).
4. The liquid crystal panel voltage resistance test device according to claim 3, wherein The two side inner walls of the fixed frame (1) are fixedly connected with the support frame (17) located above the lifting block (12), the two sides of the support frame (17) are provided with the moving groove (15), the side inner wall of the moving groove (15) is fixedly connected with the motor three (22), the output shaft of the motor three (22) is fixedly connected with the screw rod three (21), and the other end of the screw rod three (21) is rotatably connected to the side inner wall of the moving groove (15).
5. The liquid crystal panel voltage resistance test device according to claim 4, wherein The circumferential side wall of the screw rod three (21) is threadedly connected with the moving plate (16), the bottom of the moving plate (16) is slidably connected to the bottom inner wall of the moving groove (15), and the side of the moving plate (16) is provided with the clamping groove (14).
6. The liquid crystal panel voltage resistance test device according to claim 5, wherein The side inner wall of the fixed frame (1) is provided with the lifting groove (2), the bottom inner wall of the lifting groove (2) is fixedly connected with the motor one (4), the output shaft of the motor one (4) is fixedly connected with the screw rod one (5), the other end of the screw rod one (5) is rotatably connected to the top inner wall of the lifting groove (2), the circumferential side wall of the screw rod one (5) is threadedly connected with the lifting plate (3), and the side of the lifting plate (3) is slidably connected to the side inner wall of the lifting groove (2).
7. The liquid crystal panel voltage resistance test device according to claim 6, wherein The other side of the lifting plate (3) is fixedly connected to the side of the lifting block (12), the top of the fixed frame (1) is fixedly connected with the hydraulic machine body (19), the bottom of the hydraulic machine body (19) is slidably connected with the hydraulic column (20), and the bottom of the hydraulic column (20) is fixedly connected with the pressing plate (18) located above the support frame (17).
Citation Information
Patent Citations
Novel liquid crystal panel testing device
CN212008158U