CN116990995A - Bending force testing device suitable for special-shaped LCD (liquid Crystal display) - Google Patents
Bending force testing device suitable for special-shaped LCD (liquid Crystal display) Download PDFInfo
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- CN116990995A CN116990995A CN202311259379.3A CN202311259379A CN116990995A CN 116990995 A CN116990995 A CN 116990995A CN 202311259379 A CN202311259379 A CN 202311259379A CN 116990995 A CN116990995 A CN 116990995A
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 55
- 238000005452 bending Methods 0.000 title claims abstract description 40
- 238000012360 testing method Methods 0.000 title claims abstract description 40
- 230000006835 compression Effects 0.000 claims abstract description 28
- 238000007906 compression Methods 0.000 claims abstract description 28
- 238000001514 detection method Methods 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 claims abstract description 8
- 206010066054 Dysmorphism Diseases 0.000 claims description 17
- 238000003825 pressing Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 15
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1306—Details
- G02F1/1309—Repairing; Testing
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- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
Abstract
The utility model discloses a bending force testing device suitable for a special-shaped LCD (liquid crystal display) screen, which belongs to the technical field of LCD screen detection and comprises a bearing frame and an installation frame; the assembly fixture block is arranged on the surface of the bearing frame and used for positioning the special-shaped LCD; the anti-drop components are arranged at two ends of the assembly fixture block and used for limiting the special-shaped LCD; the two ends of the fixing plate are fixedly connected with the bearing frame, and the surface of the fixing plate is provided with an adjusting component for controlling the position of the assembling clamping block; according to the utility model, the screw rod is driven to rotate by the driving motor, so that the connecting plate is matched with the limiting guide groove to carry out movement adjustment on the connected assembly fixture block, the special-shaped LCD (liquid crystal display) screen is positioned, the anti-falling plate can be limited by the compression spring arranged on the positioning rod, the anti-falling plate is clamped in the anti-falling clamping groove, and the anti-falling effect can be achieved when the special-shaped LCD screen is tested.
Description
Technical Field
The utility model belongs to the technical field of LCD screen detection, and particularly relates to a bending force testing device suitable for a special-shaped LCD screen.
Background
In the production process of LCD panels, the bending resistance of the panels is one of the important factors determining the superiority of LCD panels, and the bending force test of the panels is usually required.
As in the prior art, publication No.: the utility model of CN212692841U in China discloses a device for testing glass bending of a liquid crystal display screen, which comprises a supporting platform, wherein supporting legs are arranged at the lower end of the supporting platform, supporting plates are arranged on the front side, the rear side, the left side and the right side of the upper end of the supporting platform, supporting frames are arranged on the supporting plates on the left side and the right side, rodless cylinders are arranged on the supporting frames, guide rod cylinders are arranged on the rodless cylinders, and a flat plate is arranged at the telescopic end of each guide rod cylinder; a curvature testing platform is arranged between the support plates on the left side and the right side, a gradient is arranged on the top surface of the curvature testing platform, an upper convex plate and a lower convex plate are arranged at the upper end and the lower end of the left side and the right side of the curvature testing platform, and a support column is arranged between the upper convex plate and the lower convex plate; the utility model can simplify the operation procedure and ensure the operation safety.
Through the technology can know, current testing arrangement only can test the display screen of a model, when the display screen test work of different model sizes needs to be carried out, need change corresponding test fixture, can only test the display screen bending force of different models, not only lead to the operation process loaded down with trivial details, influence test work's efficiency, moreover when the display screen receives bending force to surpass bearing strength, the condition that takes place the collapse easily causes harm to the surrounding environment, has the potential safety hazard. Therefore, we propose a bending force testing device suitable for a special-shaped LCD liquid crystal display to solve the problems existing in the prior art.
Disclosure of Invention
The utility model aims to provide a bending force testing device suitable for a special-shaped LCD (liquid crystal display) screen, so as to solve the problems in the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a bending force testing device suitable for a special-shaped LCD (liquid crystal display) comprises a bearing frame and an installation frame; the assembly fixture block is arranged on the surface of the bearing frame and used for positioning the special-shaped LCD; the anti-drop components are arranged at two ends of the assembly fixture block and used for limiting the special-shaped LCD; the two ends of the fixing plate are fixedly connected with the bearing frame, and the surface of the fixing plate is provided with an adjusting component for controlling the position of the assembling clamping block; the lifting assembly is arranged on the surface of the fixed plate and used for moving the mounting frame; the electric push rod is arranged at the top of the mounting frame, and the output end of the electric push rod is connected with a detection component for detecting the bending force of the special-shaped LCD; the protection components are arranged on two sides of the mounting frame and used for protecting the special-shaped LCD; a protection plate assembled on the surface of the installation frame; and the scale plates are arranged on two sides of the bearing frame and used for observing the bending radian of the special-shaped LCD liquid crystal display in real time.
Preferably, the anti-drop assembly comprises: the limiting base plate is connected to the end part of the assembly fixture block; the locating rod is connected with the limiting base plate, and the anti-falling plate is slidably arranged on the surface of the locating rod; the inner surface of the limit base plate is provided with an anti-falling clamping groove, the end part of the locating rod is connected with the inner wall of the anti-falling clamping groove, and the anti-falling plate is movably connected with the inner wall of the anti-falling clamping groove through the locating rod.
Preferably, one end of the positioning rod is connected with a baffle, the surface of the positioning rod is sleeved with a compression spring, one end of the compression spring is connected to the surface of the baffle, and the other end of the compression spring is movably connected with the surface of the anti-drop plate.
Preferably, the clamping groove is formed in the surface of the assembly clamping block, the positioning hole is formed in the surface of the limiting base plate, and the bearing roller is rotatably arranged in the positioning hole.
Preferably, the adjusting assembly comprises: the screw rod is rotatably connected with the surface of the fixed plate, and the connecting plate is movably arranged on the surface of the screw rod; the surface mounting of fixed plate has driving motor, driving motor's output transmission connects the tip of lead screw, the surface at the connecting plate is connected to the assembly fixture block.
Preferably, the two ends of the connecting plate are connected with limiting blocks, the inner wall of the bearing frame is provided with limiting guide grooves, and the surfaces of the limiting blocks are connected with the inner wall of the limiting guide grooves in a sliding mode.
Preferably, the lifting assembly comprises: the hydraulic rod is embedded in the fixing plate, and the auxiliary telescopic rod is arranged on one side of the hydraulic rod; the output end of the hydraulic rod is connected to the inner wall of the hydraulic rod, and the output end of the auxiliary telescopic rod is connected to the bottom of the mounting frame.
Preferably, the detection assembly comprises: the pressure sensor is connected to the inner surface of the moving plate; the surface symmetry of movable plate is connected with the guide bar, the surface sliding connection installation frame of guide bar, pressure sensor's both sides are located the movable plate internal surface and are connected with the fixed frame, the surface sliding connection of fixed frame has the connection guide arm.
Preferably, one end of the connecting guide rod is connected with a limiting pressing plate, two sides of the limiting pressing plate are slidably connected with the inner wall of the fixed frame, the limiting pressing plate is connected with the detection end of the pressure sensor, the other end of the connecting guide rod is connected with a fixed shaft, and the surface of the fixed shaft is rotatably provided with a compression shaft sleeve.
Preferably, the protection component comprises: the positioning blocks are connected to the two ends of the mounting frame, and the side baffles are movably connected to the surfaces of the positioning blocks; the end part of the side baffle is provided with a positioning shaft, and the surface of the positioning shaft is movably connected with the inner wall of the positioning block.
The utility model has the technical effects and advantages that: compared with the prior art, the bending force testing device suitable for the special-shaped LCD has the following advantages:
1. according to the utility model, through the arrangement of the structures such as the adjusting component and the anti-falling component, the screw rod can be driven to rotate by the driving motor according to the model size of the special-shaped LCD (liquid crystal display), the connecting plate is matched with the limiting guide groove to carry out moving adjustment on the connected assembly fixture block, the special-shaped LCD is positioned, the anti-falling plate can be limited by the compression spring arranged on the positioning rod, the anti-falling plate is clamped in the anti-falling clamping groove, and the anti-falling effect can be achieved when the special-shaped LCD is tested.
2. According to the utility model, through the arrangement of structures such as the lifting component, the detection component and the protection component, the lifting control can be carried out on the installation frame through the hydraulic rod and the auxiliary telescopic rod, the movable plate can be pushed towards the arranged special-shaped LCD liquid crystal display by the electric push rod, so that the surface of the fixed frame is pressed by the compression shaft sleeve connected with the connecting guide rod, the special-shaped LCD liquid crystal display is pressed, the other end of the connecting guide rod acts on the pressure sensor, thereby realizing the testing of the bending force of the special-shaped LCD liquid crystal display, protecting the internal special-shaped LCD liquid crystal display by matching with the side baffles arranged on two sides of the installation frame, and ensuring the testing safety of the special-shaped LCD liquid crystal display.
Drawings
FIG. 1 is a schematic view of a three-dimensional structure of the present utility model;
FIG. 2 is a schematic view of the structure of the mounting frame of the present utility model;
FIG. 3 is a schematic view of the structure of the carrying frame of the present utility model;
FIG. 4 is a schematic view of the structure of the assembled latch of the present utility model;
FIG. 5 is an enlarged schematic view of the area A of FIG. 4 according to the present utility model;
FIG. 6 is a schematic view of the structure of a side dam of the present utility model;
fig. 7 is a schematic structural view of the compression sleeve of the present utility model.
In the figure: 1. a load-bearing frame; 2. a limiting guide groove; 3. a fixing plate; 4. a screw rod; 5. a driving motor; 6. a connecting plate; 7. a limiting block; 8. assembling a clamping block; 9. a limit backing plate; 10. a clamping groove; 11. positioning holes; 12. a carrying roller; 13. a positioning rod; 14. a baffle; 15. an anti-falling clamping groove; 16. a compression spring; 17. an anti-drop plate; 18. a scale plate; 19. a hydraulic rod; 20. an auxiliary telescopic rod; 21. a mounting frame; 22. a positioning block; 23. side baffles; 24. positioning a shaft; 25. an electric push rod; 26. a moving plate; 27. a guide rod; 28. a fixed frame; 29. a pressure sensor; 30. a limit pressing plate; 31. connecting a guide rod; 32. a fixed shaft; 33. compressing the shaft sleeve; 34. and (5) protecting the plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a bending force testing device suitable for a special-shaped LCD (liquid crystal display) screen, which is shown in figures 1-7, and comprises a bearing frame 1 and a mounting frame 21; the assembly fixture block 8 is arranged on the surface of the bearing frame 1 and used for positioning the special-shaped LCD; the anti-drop components are arranged at two ends of the assembly fixture block 8 and used for limiting the special-shaped LCD; the two ends of the fixing plate 3 are fixedly connected with the bearing frame 1, and an adjusting component for controlling the position of the assembling clamping block 8 is arranged on the surface of the fixing plate 3; a lifting assembly provided on a surface of the fixing plate 3 for moving the mounting frame 21; the electric push rod 25 is arranged at the top of the mounting frame 21, and the output end of the electric push rod 25 is connected with a detection component for detecting the bending force of the special-shaped LCD liquid crystal display screen; protective components arranged on two sides of the mounting frame 21 for protecting the special-shaped LCD; a shielding plate 34 fitted to the surface of the mounting frame 21; and the scale plates 18 are arranged on two sides of the bearing frame 1 and used for observing the bending radian of the special-shaped LCD liquid crystal display in real time.
It is worth noting that, through adjusting part, anticreep subassembly, lifting unit, detection subassembly and the cooperation setting of protection component structure, can be according to the model size of dysmorphism LCD, can adjust the position of assembly fixture block 8, convenient location to dysmorphism LCD, security when can guaranteeing dysmorphism LCD and detecting simultaneously to improve the efficiency of test.
The anticreep subassembly is including: the limit pad 9 is connected to the end part of the assembly fixture block 8; the locating rod 13 is connected to the limit base plate 9, and the anti-falling plate 17 is slidably arranged on the surface of the locating rod 13; wherein, the inner surface of spacing backing plate 9 has seted up anticreep draw-in groove 15, and the tip of locating lever 13 is connected with the inner wall of anticreep draw-in groove 15, and anticreep board 17 passes through locating lever 13 and anticreep draw-in groove 15 inner wall swing joint. One end of the positioning rod 13 is connected with a baffle plate 14, the surface of the positioning rod 13 is sleeved with a compression spring 16, one end of the compression spring 16 is connected to the surface of the baffle plate 14, and the other end of the compression spring 16 is movably connected with the surface of the anti-falling plate 17. The clamping groove 10 is formed in the surface of the assembly clamping block 8, the positioning hole 11 is formed in the surface of the limiting base plate 9, and the bearing roller 12 is rotatably arranged in the positioning hole 11.
Wherein, assembly fixture block 8 is the subassembly that fixes a position to dysmorphism LCD to cooperation draw-in groove 10, can improve the efficiency to dysmorphism LCD location, spacing backing plate 9 is the structure that bears the weight of roller 12, locating hole 11 is the structure that bears the weight of roller 12 and fix a position, roller 12 is when testing dysmorphism LCD, play auxiliary effect's effect, cause dysmorphism LCD scratch's condition when preventing to detect, anticreep board 17 plays the effect of anticreep to dysmorphism LCD, baffle 14 plays spacing effect to compression spring 16 that the cover was established on locating lever 13, compression spring 16 is the effect to anticreep board 17, make anticreep board 17 and anticreep draw-in groove 15 cooperation, guarantee dysmorphism LCD's stability.
The clamping groove 10 formed by the assembly clamping block 8 is matched with the limit base plate 9, the special-shaped LCD liquid crystal display can be limited and carried, the dropping effect of the special-shaped LCD liquid crystal display is prevented, meanwhile, after the special-shaped LCD liquid crystal display is mounted on the assembly clamping block 8, the anti-drop plate 17 can be rotated and moved by surrounding the positioning rod 13, the anti-drop plate 17 is adjusted, the situation that inclined detachment occurs in the detection process is prevented, the compression spring 16 sleeved on the positioning rod 13 is matched, the positioning effect of the anti-drop plate 17 can be achieved, and the positioning safety of the special-shaped LCD liquid crystal display is further guaranteed.
The adjusting component comprises: the screw rod 4 is rotatably connected with the surface of the fixed plate 3, and the connecting plate 6 is movably arranged on the surface of the screw rod 4; wherein, the surface mounting of fixed plate 3 has driving motor 5, and driving motor 5's output transmission connects the tip of lead screw 4, and assembly fixture block 8 is connected on the surface of connecting plate 6. Limiting blocks 7 are connected to two ends of the connecting plate 6, limiting guide grooves 2 are formed in the inner wall of the bearing frame 1, and the surfaces of the limiting blocks 7 are connected with the inner wall of the limiting guide grooves 2 in a sliding mode.
Specifically, the fixed plate 3 is a component for installing the screw rod 4, the screw rod 4 plays a role in driving the connecting plate 6, the driving motor 5 is a component for driving the screw rod 4, the connecting plate 6 is a structure for connecting and assembling the clamping block 8, the limiting block 7 is a component for limiting the connecting plate 6, and the limiting guide groove 2 plays a role in guiding when being matched with the limiting block 7 at one end of the connecting plate 6.
Through driving motor 5 to lead screw 4 drive, reach the effect to connecting plate 6 mobile control, make connecting plate 6 can cooperate stopper 7 to remove on bearing frame 1, simultaneously, when stopper 7 removes, the setting of cooperation spacing guide slot 2 can improve connecting plate 6 and drive the stability of assembly fixture block 8 on bearing frame 1, the regulation subassembly is equipped with two sets of, be respectively to the assembly fixture block 8 that special-shaped LCD both ends were fixed a position, thereby can adjust according to the size model of special-shaped LCD, fix a position different special-shaped LCD, further improve the adaptability that the device was used.
The lifting assembly comprises: the hydraulic rod 19 is embedded in the fixed plate 3, and the auxiliary telescopic rod 20 is arranged on one side of the hydraulic rod 19; wherein, the output of hydraulic rod 19 connects at the inner wall of hydraulic rod 19, and the output of auxiliary telescopic rod 20 connects in the bottom of installing frame 21.
In addition, the hydraulic rod 19 is a structure for pushing the mounting frame 21, the auxiliary telescopic rod 20 is a structure for moving the mounting frame 21 in cooperation with the hydraulic rod 19, so that a control structure is achieved, when the special-shaped LCD liquid crystal display screen is assembled, according to the size model of dysmorphism LCD, promote the mounting frame 21 outwards to suitable position through hydraulic stem 19, prevent to compress tightly axle sleeve 33 and cause the motion interference to dysmorphism LCD, hydraulic stem 19 is the effect of playing regulation control to mounting frame 21 position.
The detection assembly comprises: a moving plate 26 connected to the protruding end of the electric push rod 25, and a pressure sensor 29 connected to the inner surface of the moving plate 26; wherein, the surface symmetry of movable plate 26 is connected with guide bar 27, and the surface sliding connection of guide bar 27 installs frame 21, and the both sides of pressure sensor 29 are located the movable plate 26 internal surface and are connected with fixed frame 28, and the surface sliding connection of fixed frame 28 has connection guide arm 31. One end of the connecting guide rod 31 is connected with a limiting pressing plate 30, two sides of the limiting pressing plate 30 are slidably connected with the inner wall of the fixed frame 28, the limiting pressing plate 30 is connected with the detection end of the pressure sensor 29, the other end of the connecting guide rod 31 is connected with a fixed shaft 32, and a compression shaft sleeve 33 is rotatably arranged on the surface of the fixed shaft 32.
Preferably, the electric push rod 25 is a component acting on the moving plate 26, the moving plate 26 is a structure bearing the pressure sensor 29, the pressure sensor 29 is a structure detecting bending force of the special-shaped LCD liquid crystal display, the pressure sensor 29 is electrically connected with a computer through a cable, so that the force of the electric push rod 25 on the output of the special-shaped LCD liquid crystal display can be observed in real time, the guide rod 27 is a structure playing a limiting guide role when the moving plate 26 moves, the mounting frame 21 is a structure playing a role of inserting the compression shaft sleeve 33, the connecting guide rod 31 is a component connecting the fixing shaft 32, the fixing shaft 32 is a component mounting the compression shaft sleeve 33, the limiting pressing plate 30 plays a role of limiting and preventing the connecting guide rod 31, and meanwhile, when the special-shaped LCD liquid crystal display is detected, the bending force of the special-shaped LCD liquid crystal display can be observed through the cooperation of the scale plates 18 on two sides of the bearing frame 1 and the bearing frame 1, so that the bending force and the bending degree of the special-shaped LCD liquid crystal display can be conveniently tested.
Further, the protection component comprises: the positioning blocks 22 are connected to the two ends of the mounting frame 21, and the side baffles 23 are movably connected to the surfaces of the positioning blocks 22; the end of the side baffle 23 is provided with a positioning shaft 24, and the surface of the positioning shaft 24 is movably connected with the inner wall of the positioning block 22. The positioning block 22 is a structure for limiting the side baffle plates 23, the side baffle plates 23 are structures for protecting the two sides of the bearing frame 1, the positioning shaft 24 is a structure for positioning the side baffle plates 23, and the positioning shaft is matched with the protection plate 34 to protect the special-shaped LCD liquid crystal display screen, so that the safety in the testing process is ensured.
According to the model size of the special-shaped LCD liquid crystal display, the screw rod 4 is driven to rotate through the driving motor 5, the connecting plate 6 is matched with the limiting guide groove 2 to movably adjust the connected assembly clamping block 8, the special-shaped LCD liquid crystal display is positioned, the anti-falling plate 17 can be limited through the compression spring 16 arranged on the positioning rod 13, the anti-falling plate 17 is clamped in the anti-falling clamping groove 15, and an anti-falling effect can be achieved when the special-shaped LCD liquid crystal display is tested;
can carry out lifting control through hydraulic stem 19 and supplementary telescopic link 20 to installing frame 21, promote through electric putter 25, can promote movable plate 26 to the dysmorphism LCD of settling for fixed frame 28 surface is by the compression sleeve 33 of connecting guide arm 31 connection, presses dysmorphism LCD, makes the connecting guide arm 31 other end act on pressure sensor 29, thereby reaches and tests dysmorphism LCD bending force, cooperation installing frame 21 both sides side shield 23 of installation, can protect inside dysmorphism LCD, guarantee the security of dysmorphism LCD test.
Meanwhile, when the special-shaped LCD is compressed through the compression shaft sleeve 33 through the electric push rod 25, the special-shaped LCD is bent and moved, and can be matched with the rotation of the bearing roller 12 to adjust, so that the contact part of the special-shaped LCD is prevented from being damaged, the stability of the whole structure is influenced, and the accuracy of the bending force test of the special-shaped LCD is ensured.
When the special-shaped LCD screen to be tested is detected, the side baffle plate 23 is firstly turned over to the top of the mounting frame 21 around the positioning block 22 through the positioning shaft 24, and the mounting frame 21 can be pushed through the starting hydraulic rod 19 and the auxiliary telescopic rod 20, so that a sufficient space is reserved between the compression shaft sleeve 33 arranged at the bottom of the mounting frame 21 and the bearing frame 1 to position the special-shaped LCD screen; according to the size and model of the special-shaped LCD liquid crystal display to be tested, the driving motor 5 arranged on the bearing frame 1 is started to drive the screw rod 4 to rotate, the connecting plates 6 movably arranged on the surfaces of the screw rod 4 move, the limiting blocks 7 at the two ends of the connecting plates 6 move on the inner walls of the limiting guide grooves 2 and play a guiding role, the assembly clamping blocks 8 connected to the tops of the connecting plates 6 are adjusted, the two ends of the special-shaped LCD liquid crystal display are inserted into the clamping grooves 10 formed in the surfaces of the assembly clamping blocks 8, and the special-shaped LCD liquid crystal display can be positioned; simultaneously, the anti-falling plate 17 is rotated and moved on the positioning rod 13, so that the anti-falling plate 17 is matched with the anti-falling clamping groove 15, and meanwhile, the compression spring 16 acts on the anti-falling plate 17, so that the stability of the anti-falling plate 17 is ensured, and the anti-falling effect on the special-shaped LCD is achieved; by starting the electric push rod 25 at the top of the mounting frame 21, the electric push rod 25 pushes the movable plate 26 to the special-shaped LCD liquid crystal display, the surface of the fixed frame 28 presses the fixed shaft 32 to the special-shaped LCD liquid crystal display through the connecting guide rod 31, the compression shaft sleeve 33 rotatably mounted on the fixed shaft 32 is compressed on the special-shaped LCD liquid crystal display, the limit pressing plate 30 is used for compressing the pressure sensor 29, the effect of testing the bending force of the special-shaped LCD liquid crystal display to be tested is achieved, when the special-shaped LCD liquid crystal display is tested, the special-shaped LCD liquid crystal display is extruded by the bending force, and the generated bending degree can be recorded and observed through the scale plates 18 at two sides of the bearing frame 1; meanwhile, the side baffle 23 can protect the inside special-shaped LCD liquid crystal display, so that the safety of testing the special-shaped LCD liquid crystal display is ensured.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (10)
1. Bending force testing arrangement suitable for dysmorphism LCD liquid crystal display, its characterized in that: comprises a bearing frame (1) and a mounting frame (21);
the assembly fixture block (8) is arranged on the surface of the bearing frame (1) and used for positioning the special-shaped LCD;
the anti-drop components are arranged at two ends of the assembly fixture block (8) and used for limiting the special-shaped LCD;
the two ends of the fixing plate (3) are fixedly connected with the bearing frame (1), and an adjusting component for controlling the position of the assembling clamping block (8) is arranged on the surface of the fixing plate (3);
the lifting assembly is arranged on the surface of the fixed plate (3) and used for moving the mounting frame (21);
the electric push rod (25) is arranged at the top of the mounting frame (21), and the output end of the electric push rod (25) is connected with a detection component for detecting the bending force of the special-shaped LCD liquid crystal display screen;
the protection components are arranged at two sides of the mounting frame (21) and used for protecting the special-shaped LCD;
a protection plate (34) mounted on the surface of the mounting frame (21);
and the scale plates (18) are arranged on two sides of the bearing frame (1) and used for observing the bending radian of the special-shaped LCD liquid crystal display in real time.
2. The bending force testing device for a special-shaped LCD liquid crystal display according to claim 1, wherein: the anti-drop assembly comprises:
a limit pad (9) connected to the end part of the assembly fixture block (8);
a positioning rod (13) connected with the limit pad (9), and
an anti-drop plate (17) which is slidably arranged on the surface of the positioning rod (13);
the anti-falling clamping groove (15) is formed in the inner surface of the limiting base plate (9), the end portion of the positioning rod (13) is connected with the inner wall of the anti-falling clamping groove (15), and the anti-falling plate (17) is movably connected with the inner wall of the anti-falling clamping groove (15) through the positioning rod (13).
3. The bending force testing device for a special-shaped LCD liquid crystal display according to claim 2, wherein: one end of the positioning rod (13) is connected with a baffle (14), a compression spring (16) is sleeved on the surface of the positioning rod (13), one end of the compression spring (16) is connected to the surface of the baffle (14), and the other end of the compression spring (16) is movably connected with the surface of the anti-falling plate (17).
4. A bending force testing device for a shaped LCD liquid crystal display according to claim 3, wherein: clamping grooves (10) are formed in the surface of the assembly clamping block (8), positioning holes (11) are formed in the surface of the limiting base plate (9), and bearing rollers (12) are rotatably arranged in the positioning holes (11).
5. The bending force testing device for a special-shaped LCD liquid crystal display according to claim 1, wherein: the adjusting component comprises:
a screw rod (4) rotatably connected with the surface of the fixed plate (3), and
a connecting plate (6) movably arranged on the surface of the screw rod (4);
the surface mounting of fixed plate (3) has driving motor (5), the tip of lead screw (4) is connected in the output transmission of driving motor (5), assembly fixture block (8) are connected on the surface of connecting plate (6).
6. The bending force testing device for a shaped LCD liquid crystal display according to claim 5, wherein: limiting blocks (7) are connected to two ends of the connecting plate (6), limiting guide grooves (2) are formed in the inner wall of the bearing frame (1), and the surfaces of the limiting blocks (7) are connected with the inner walls of the limiting guide grooves (2) in a sliding mode.
7. The bending force testing device for a special-shaped LCD liquid crystal display according to claim 1, wherein: the lifting assembly comprises:
a hydraulic rod (19) embedded in the fixed plate (3), and
an auxiliary telescopic rod (20) arranged at one side of the hydraulic rod (19);
the output end of the hydraulic rod (19) is connected to the inner wall of the hydraulic rod (19), and the output end of the auxiliary telescopic rod (20) is connected to the bottom of the mounting frame (21).
8. The bending force testing device for a special-shaped LCD liquid crystal display according to claim 1, wherein: the detection assembly comprises:
a moving plate (26) connected to the projecting end of the electric push rod (25), and
a pressure sensor (29) connected to the inner surface of the moving plate (26);
the surface symmetry of movable plate (26) is connected with guide bar (27), the surface sliding connection installation frame (21) of guide bar (27), the both sides of pressure sensor (29) are located movable plate (26) internal surface and are connected with fixed frame (28), the surface sliding connection of fixed frame (28) has connecting guide arm (31).
9. The bending force testing device for a shaped LCD liquid crystal display according to claim 8, wherein: one end of the connecting guide rod (31) is connected with a limiting pressing plate (30), two sides of the limiting pressing plate (30) are slidably connected with the inner wall of the fixed frame (28), the limiting pressing plate (30) is connected with the detection end of the pressure sensor (29), the other end of the connecting guide rod (31) is connected with a fixed shaft (32), and a compression shaft sleeve (33) is rotatably arranged on the surface of the fixed shaft (32).
10. The bending force testing device for a special-shaped LCD liquid crystal display according to claim 1, wherein: the protection component comprises:
positioning blocks (22) connected to both ends of the mounting frame (21), and
a side baffle (23) movably connected to the surface of the positioning block (22);
the end part of the side baffle plate (23) is provided with a positioning shaft (24), and the surface of the positioning shaft (24) is movably connected with the inner wall of the positioning block (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205193386U (en) * | 2015-12-18 | 2016-04-27 | 江西合力泰科技有限公司 | Carry on liquid crystal module testing tool of special -shaped flexible line way board |
| CN207457641U (en) * | 2017-09-20 | 2018-06-05 | 天津晓林汽车配件有限公司 | A kind of function detection device of LCD display |
| KR101937747B1 (en) * | 2018-04-25 | 2019-01-11 | (주)디이엔티 | Flexible display device test jig and test device using the same |
| KR20190004191A (en) * | 2017-07-03 | 2019-01-11 | 주식회사 토비스 | a jig for curved display panel |
| CN212692841U (en) * | 2020-08-31 | 2021-03-12 | 河南天扬光电科技有限公司 | Liquid crystal display glass bending degree testing device |
| CN218767672U (en) * | 2022-10-13 | 2023-03-28 | 深圳市镭科电子科技有限公司 | Liquid crystal display detects anchor clamps |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205193386U (en) * | 2015-12-18 | 2016-04-27 | 江西合力泰科技有限公司 | Carry on liquid crystal module testing tool of special -shaped flexible line way board |
| KR20190004191A (en) * | 2017-07-03 | 2019-01-11 | 주식회사 토비스 | a jig for curved display panel |
| CN207457641U (en) * | 2017-09-20 | 2018-06-05 | 天津晓林汽车配件有限公司 | A kind of function detection device of LCD display |
| KR101937747B1 (en) * | 2018-04-25 | 2019-01-11 | (주)디이엔티 | Flexible display device test jig and test device using the same |
| CN212692841U (en) * | 2020-08-31 | 2021-03-12 | 河南天扬光电科技有限公司 | Liquid crystal display glass bending degree testing device |
| CN218767672U (en) * | 2022-10-13 | 2023-03-28 | 深圳市镭科电子科技有限公司 | Liquid crystal display detects anchor clamps |
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