Full-automatic LCD screen rotation torsion testing machine

Abstract

The utility model discloses a full-automatic LCD screen rotation torsion testing machine in the field of rotation torsion testing machines, which comprises a detection platform, a clamping mechanism, a rotation motor and a torsion detection mechanism, the detection platform is provided with a liftable lifting platform, the top of the lifting platform is provided with a turntable for placing an LCD screen, and the turntable is provided with a clamping mechanism. The clamping mechanism comprises two symmetrically-arranged clamping assemblies and a rotary connecting plate connecting the two clamping assemblies, the output end of the rotary motor is in transmission connection with the middle of the rotary connecting plate, and each clamping assembly comprises a clamping connecting plate and two clamping plates capable of sliding in the length direction of the clamping connecting plate; the torsion detection mechanism comprises a torsion transmission shaft and a torsion sensor, the torsion transmission shaft is coaxially fixed to the bottom of the rotary table, one end of the torsion sensor is coaxially connected with the torsion transmission shaft, and the other end of the torsion sensor is fixed to the lifting table. By arranging the lifting platform, the clamping mechanism and the torsion detection mechanism on the detection platform, clamping rotation of LCD screens of different sizes can be realized for torsion testing.

Description

TECHNICAL FIELD

[0001] The utility model relates to rotary torsion testing machine technical field, concretely is full -automatic LCD screen rotary torsion testing machine. BACKGROUND

[0002] With the rapid development of science and technology, liquid crystal display (LCD) has been widely used in various electronic products, such as mobile phones, tablet computers, televisions and monitors. The quality and performance of LCD screen directly affect the user experience and market competitiveness of these products. Therefore, it is particularly important to strictly test the LCD screen to ensure its quality and performance.

[0003] In the testing process of LCD screen, rotary torsion test is a key test project, which is used to evaluate the durability and stability of LCD screen under rotary torsion. However, the design of traditional rotary torsion testing machine is often targeted at specific specifications or types of LCD screen, and when testing LCD screens of different heights, widths and thicknesses, different clamps or test parameters need to be adjusted, which increases the complexity of test operation, resulting in low test efficiency, high test cost, and the accuracy of test results may be affected due to the mismatch of test equipment. SUMMARY

[0004] In order to overcome the deficiencies of the prior art, the utility model provides full -automatic LCD screen rotary torsion testing machine, can effectively solve the technical problem that current LCD screen testing machine is usually poor in general, and is limited to single structure LCD screen test.

[0005] The utility model solves the technical problems adopted by the technical scheme:

[0006] Full -automatic LCD screen rotary torsion testing machine, including the detection platform for bearing the LCD screen to be tested, the clamping mechanism for clamping the LCD screen set on the detection platform, the rotary motor for providing rotary power and the torsion detection mechanism for detecting the torsion value in the rotary process, the detection platform is equipped with the lifter of liftable, the top of lifter is installed with the turntable for placing LCD screen, the clamping mechanism includes two groups of symmetrical clamping assemblies and the rotary connecting plate connected two groups of clamping assemblies, the output end of rotary motor is connected with the middle part transmission of rotary connecting plate, the clamping assembly includes clamping connecting plate and two clamping plates that can slide along the length direction of the clamping connecting plate, the torsion detection mechanism includes torsion transmission shaft and torsion sensor, the torsion transmission shaft is coaxially fixed in the bottom of turntable, one end of torsion sensor is connected with the coaxial torsion transmission shaft, the other end of torsion sensor is fixed with lifter.

[0007] Further, the detection platform is internally provided with a lifting motor for driving a lifting platform, and the bottom of the lifting platform is connected with a plurality of lifting guide rods surrounding the lifting motor.

[0008] Further, the rotating disc is provided with a scale mark for centrally positioning the LCD screen and a limiting block for fixing the LCD screen, and the limiting block is locked and fixed through a hole position formed on the rotating disc.

[0009] Further, the detection platform is provided with a gantry fixed at both ends, the clamping mechanism is installed at the bottom of the gantry and aligned with the middle part of the rotating disc, and the rotating motor is arranged at the top of the gantry.

[0010] Further, the clamping connecting plate is provided with a sliding groove, the clamping plate is slidably connected with the clamping connecting plate through the sliding groove, the clamping connecting plate is provided with an elongated hole along the direction of the sliding groove, and a locking piece is installed to lock and fix the position of the clamping plate through the elongated hole.

[0011] Further, the inner side of the clamping plate is provided with a fine adjustment block adjusted by a screw rod, and the fine adjustment block is connected with two fine adjustment guide rods penetrating the clamping plate.

[0012] Further, the detection platform is provided with a control unit for controlling the rotating angle of the rotating motor and receiving the signal feedback by the torsion detection mechanism.

[0013] Compared with the prior art, the torsion testing machine has the advantages that:

[0014] The torsion testing machine provided by the utility model can realize torsion testing on the clamped and rotated LCD screen of different sizes through the lifting platform, the clamping mechanism and the accurate torsion detection mechanism, has wide universality and high testing precision. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the utility model embodiment;

[0016] Figure 2 It is a detection platform and lifting platform connecting structure schematic view of the utility model embodiment;

[0017] Figure 3 It is a clamping mechanism and rotating motor connecting structure schematic view of the utility model embodiment;

[0018] Figure 4 It is a clamping assembly structure schematic view of the utility model embodiment;

[0019] Figure 5 It is a torsion detection mechanism structure schematic view in the lifting platform of the utility model embodiment;

[0020] Numbering on the map:

[0021] 1-Detection platform, 2-Clamping mechanism, 3-Rotary motor, 4-Torque detection mechanism, 5-Control unit;

[0022] 101-Lifting platform, 102-Turntable, 103-Lifting motor, 104-Lifting guide rod, 105-Scale marking, 106-Limit block, 107-Hole, 108-Gantry frame;

[0023] 201-Clamping assembly; 202-Rotating connecting plate;

[0024] 401 - Torque transmission shaft, 402 - Torque sensor;

[0025] 2011-Clamping connecting plate, 2012-Clamping plate, 2013-Slide groove, 2014-Elongated hole, 2015-Locking component, 2016-Screw, 2017-Fine adjustment block, 2018-Fine adjustment guide rod. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] like Figures 1-5 As shown, this utility model provides a fully automatic LCD screen rotation torque testing machine, including a testing platform 1 for supporting the LCD screen to be tested, a clamping mechanism 2 set above the testing platform 1 for clamping the LCD screen, a rotary motor 3 for providing rotational power, and a torque detection mechanism 4 for detecting the torque value during rotation.

[0028] The testing platform 1 is equipped with a height-adjustable lifting platform 101. A rotating turntable 102 for holding an LCD screen is mounted on the top of the lifting platform 101. A lifting motor 103 is installed inside the testing platform 1 to drive the lifting of the lifting platform 101, controlling its movement. Furthermore, to ensure the uniqueness of the direction of the lifting platform 101's movement, several lifting guide rods 104 surrounding the lifting motor 103 are connected to the bottom of the lifting platform 101. The end of each guide rod 104 extending away from the lifting platform 101 extends into the interior of the testing platform 1, ensuring the stability and accuracy of the lifting platform 101 during lifting. Moreover, the lifting method of the lifting platform 101 can be adjusted to accommodate LCD screens of different heights.

[0029] In addition, a gantry 108 is arranged above the detection platform 1, and the clamping mechanism 2 is arranged at the bottom of the gantry 108 and aligned with the middle part of the rotating disc 102. The rotating motor 3 is arranged at the top of the gantry 108, and the output end of the rotating motor 3 is connected with the rotating connecting plate 202 to drive the clamping mechanism 2 and the LCD screen to rotate.

[0030] The rotating disc 102 is provided with a scale mark 105 for centering the LCD screen and a limiting block 106 for fixing the LCD screen. The limiting block 106 is locked and fixed through the hole 107 arranged on the rotating disc 102 to adapt to different sizes of the LCD screen. When the limiting block 106 is used to fix the LCD screen, a plurality of limiting blocks 106 are arranged around the base of the LCD screen and locked and fixed with the hole 107 by inserting screws and the like.

[0031] The clamping mechanism 2 comprises two groups of symmetrical clamping assemblies 201 and a rotating connecting plate 202 connected with the two groups of clamping assemblies 201. The output end of the rotating motor 3 is drivingly connected with the middle part of the rotating connecting plate 202 to realize the rotation of the clamping mechanism 2.

[0032] The clamping assembly 201 comprises a clamping connecting plate 2011 and two clamping plates 2012 which can slide along the length direction of the clamping connecting plate 2011. The clamping connecting plate 2011 is provided with a sliding groove 2013, and the clamping plates 2012 are slidingly connected with the clamping connecting plate 2011 through the sliding groove 2013. The clamping connecting plate 2011 is provided with an elongated hole 2014 along the direction of the sliding groove 2013, and the clamping plates 2012 are locked and fixed in position by a locking member 2015 passing through the elongated hole 2014. In this way, the clamping plates 2012 can be adjusted according to the width of the LCD screen to adapt to different sizes of the LCD screen.

[0033] In order to further improve the flexibility and adaptability of clamping, the inner side of the clamping plate 2012 is provided with a fine adjustment block 2017 adjusted by a screw rod 2016. The fine adjustment block 2017 is connected with two fine adjustment guide rods 2018 penetrating the clamping plate 2012. By adjusting the screw rod 2016, the clamping force and position of the clamping plate 2012 on the LCD screen can be finely adjusted. The middle part of the screw rod 2016 penetrates the clamping plate 2012, and the position of the screw rod 2016 is adjusted by matching screws. One end of the screw rod 2016 is in contact with the fine adjustment block 2017. When the screw rod 2016 is rotated to push the fine adjustment block 2017 to one end of the LCD screen, the LCD screen can be fixed by fine adjustment. When it is needed to loosen, the screw rod 2016 is rotated away from the fine adjustment block 2017, and the fine adjustment block 2017 can push the LCD screen to loosen through the fine adjustment guide rod 2018.

[0034] The torsion detection mechanism 4 comprises a torsion transmission shaft 401 and a torsion sensor 402.

[0035] The detection platform 1 is provided with a control unit 5, which is used for controlling the rotation angle of the rotating motor 3 and receiving the signal fed back by the torsion detection mechanism 4.

[0036] In use, first, the LCD screen to be tested is placed on the rotating disc 102, and the clamping assembly 201 of the clamping mechanism 2 and the fine adjustment block 2017 are adjusted according to the size of the LCD screen, so as to ensure that the LCD screen is clamped firmly and accurately.

[0037] Compared with the prior art, the utility model discloses a detection platform 1 is provided with the lifter 101 of liftable movement, the clamping mechanism 2 of adjustable clamping distance and accurate torsion detection mechanism 4, can realize the torsion test of the clamping rotation of the LCD screen of different sizes, has extensive universality and higher test precision.

[0038] It is obvious for those skilled in the art that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic features thereof. Therefore, no matter from which point, the embodiments should be regarded as exemplary and non-restrictive, the scope of the utility model is defined by the appended claims instead of the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims should be included in the utility model, and any figure mark in the claims should not be regarded as limiting the involved claims.

Claims

1. A fully automatic LCD screen rotation torque testing machine, comprising a testing platform for supporting the LCD screen to be tested, a clamping mechanism disposed above the testing platform for holding the LCD screen, a rotary motor for providing rotational power, and a torque detection mechanism for detecting the torque value during rotation, characterized in that: The testing platform is equipped with a liftable platform, and a turntable for placing an LCD screen is installed on the top of the platform. The clamping mechanism includes two sets of symmetrically arranged clamping components and a rotating connecting plate connecting the two sets of clamping components. The output end of the rotary motor is connected to the middle of the rotating connecting plate. The clamping component includes a clamping connecting plate and two clamping plates that can slide along the length of the clamping connecting plate. The torque detection mechanism includes a torque transmission shaft and a torque sensor. The torque transmission shaft is coaxially fixed to the bottom of the turntable. One end of the torque sensor is coaxially connected to the torque transmission shaft, and the other end of the torque sensor is fixed to the lifting platform.

2. The fully automatic LCD screen rotation torque testing machine according to claim 1, characterized in that: The testing platform is equipped with a lifting motor that drives the lifting platform, and the bottom of the lifting platform is connected to several lifting guide rods that surround the lifting motor.

3. The fully automatic LCD screen rotation torque testing machine according to claim 1, characterized in that: The turntable is equipped with scale markings for centering the LCD screen and a limiting block for fixing the LCD screen. The limiting block is locked in place by holes on the turntable.

4. The fully automatic LCD screen rotation torque testing machine according to claim 1, characterized in that: The testing platform is equipped with a gantry frame fixed at both ends. The clamping mechanism is installed at the bottom of the gantry frame and aligned with the center of the turntable. The rotary motor is located at the top of the gantry frame.

5. The fully automatic LCD screen rotation torque testing machine according to claim 1, characterized in that: The clamping connecting plate has a sliding groove, and the clamping plate is slidably connected to the clamping connecting plate through the sliding groove. The clamping connecting plate has an elongated hole along the direction of the sliding groove, and a locking member is installed through the elongated hole to lock and fix the position of the clamping plate.

6. The fully automatic LCD screen rotation torque testing machine according to claim 1, characterized in that: The inner side of the clamping plate is provided with a fine-tuning block that is adjusted by a screw, and the fine-tuning block is connected to two fine-tuning guide rods that pass through the clamping plate.

7. The fully automatic LCD screen rotation torque testing machine according to any one of claims 1-6, characterized in that: The detection platform is equipped with a control unit, which is used to control the rotation angle of the rotary motor and receive signals from the torque detection mechanism.

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