CN219284896U

CN219284896U - LCD screen bending force testing device

Info

Publication number: CN219284896U
Application number: CN202223432711.5U
Authority: CN
Inventors: 罗行富; 李旭; 刘宇良; 张华�
Original assignee: Shenzhen Zhongyoutu Technology Co ltd
Current assignee: Shenzhen Zhongyoutu Technology Co ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-06-30
Anticipated expiration: 2032-12-21

Abstract

The utility model relates to the technical field of LCD screen detection, in particular to an LCD screen bending force testing device, which comprises a base and a testing component, wherein an LCD screen body is arranged on the base, the testing component comprises a fixed plate, a screw machine, a thread block, a pressing plate, a moving plate, a pressure sensor and a driving unit, the fixed plate is fixedly connected with the base and is positioned above the base, the screw machine is arranged on the fixed plate, the thread block is mutually matched with the output end of the screw machine, the pressing plate is fixedly connected with the thread block, the driving unit is arranged on the base, the moving plate is arranged on the driving unit, the pressure sensor is fixedly connected with the moving plate, the screw machine drives the thread block to move, the pressing plate moves downwards to fix the LCD screen body, and meanwhile, the driving unit drives the moving plate to move so that the pressure sensor is contacted with the LCD screen body to detect bending force.

Description

LCD screen bending force testing device

Technical Field

The utility model relates to the technical field of LCD screen detection, in particular to an LCD screen bending force testing device.

Background

In the production process of LCD screens, the bending force of the screen is usually required to be tested, but at present, the traditional testing device can only test one type of LCD screen.

Prior art patent CN217717330U discloses a bending force testing arrangement of LCD screen, including staff rotation adjustment handle, drive transmission lead screw and rotate, promote the direction slip table and move in the guide rail frame horizontal migration, then the direction slip table is in horizontal slip in-process, promote arm strength branch and slide in the change rail fluting, with the bending force push rod propelling movement to corresponding direction spout in, make pressure sensing probe be in suitable position, carry out bending force test work to the screen board of LCD screen, and then the staff will wait to test the LCD screen and put into the buckle fluting and test.

However, in the prior art, each time the LCD screen is fixed and tested, a worker is required to manually operate and rotate the LCD screen, so that the working strength is increased, and the testing efficiency is affected.

Disclosure of Invention

The utility model aims to provide an LCD screen bending force testing device, which solves the problems that in the prior art, a worker is required to manually operate and rotate each time to fix and test an LCD screen, the working strength is increased, and the testing efficiency is affected.

In order to achieve the above purpose, the utility model provides an LCD screen bending force testing device, which comprises a base and a testing component, wherein the base is provided with an LCD screen body;

the testing assembly comprises a fixing plate, a screw machine, a thread block, a pressing plate, a moving plate, a pressure sensor and a driving unit, wherein the fixing plate is fixedly connected with the base and is positioned above the base, the screw machine is arranged on the fixing plate, the thread block is mutually matched with the output end of the screw machine, the pressing plate is fixedly connected with the thread block, the driving unit is arranged on the base, the moving plate is arranged on the driving unit, the pressure sensor is fixedly connected with the moving plate and is positioned above the moving plate.

The test assembly further comprises a soft cushion, wherein the soft cushion is fixedly connected with the pressing plate and is positioned below the pressing plate.

The driving unit comprises two sliding rails, two first sliding blocks, a connecting block, a connecting plate, a supporting plate, a motor and a rotating shaft, wherein the two sliding rails are fixedly connected with the base and sequentially located above the base, the two first sliding blocks are fixedly connected with the movable plate and symmetrically distributed on two sides of the movable plate and are respectively and correspondingly connected with the sliding rails in a sliding mode, one end of the connecting block is fixedly connected with the corresponding first sliding block, the other end of the connecting block is fixedly connected with one side of the connecting plate, the supporting plate is fixedly connected with the base and located on one side of the base, the motor is fixedly connected with the supporting plate and located above the supporting plate, one end of the rotating shaft is fixedly connected with the output end of the motor, and the other end of the rotating shaft is fixedly connected with one side of the connecting plate away from the connecting block.

The LCD screen bending force testing device further comprises a stabilizing component, and the stabilizing component is arranged on the testing component.

The stabilizing assembly comprises two expansion plates and two second sliding blocks, wherein the two expansion plates are fixedly connected with the base and sequentially located above the base and symmetrically distributed on two sides of the pressing plate, the two expansion plates are respectively provided with sliding grooves, the two second sliding blocks are respectively and correspondingly connected with the sliding grooves in a sliding mode, and the two second sliding blocks are fixedly connected with the pressing plate.

The stabilizing assembly further comprises two supporting rods, one ends of the two supporting rods are fixedly connected with the base, the two supporting rods are sequentially located above the base, and the other ends of the two supporting rods are fixedly connected with the corresponding sliding rails respectively.

According to the LCD screen bending force testing device, the screw rod machine drives the threaded block to move, so that the pressing plate moves downwards to fix the LCD screen body, the driving unit drives the moving plate to move, so that the pressure sensor is in contact with the LCD screen body to detect bending force, and through the structural arrangement, the fixing and bending force testing of the LCD screen body are achieved without manual operation of staff, so that the testing efficiency is effectively improved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.

Fig. 1 is a schematic overall structure of a first embodiment of the present utility model.

Fig. 2 is an overall cross-sectional view of a first embodiment of the present utility model.

Fig. 3 is a schematic overall structure of a second embodiment of the present utility model.

Fig. 4 is an overall cross-sectional view of a second embodiment of the present utility model.

The device comprises a 101-base, a 102-LCD screen body, a 103-fixed plate, a 104-screw machine, a 105-screw block, a 106-pressing plate, a 107-movable plate, a 108-pressure sensor, a 109-cushion, a 110-slide rail, a 111-first slide block, a 112-connecting block, a 113-connecting plate, a 114-supporting plate, a 115-motor, a 116-rotating shaft, a 201-expanding plate, a 202-second slide block, a 203-slide groove and a 204-supporting rod.

Detailed Description

The following detailed description of embodiments of the utility model, examples of which are illustrated in the accompanying drawings and, by way of example, are intended to be illustrative, and not to be construed as limiting, of the utility model.

First embodiment:

referring to fig. 1 and 2, fig. 1 is a schematic overall structure of a first embodiment of the present utility model, and fig. 2 is a sectional overall view of the first embodiment of the present utility model.

The utility model provides an LCD screen bending force testing device, which comprises a base 101 and a testing component, wherein an LCD screen body 102 is arranged on the base 101, the testing component comprises a fixed plate 103, a screw machine 104, a thread block 105, a pressing plate 106, a movable plate 107, a pressure sensor 108, a driving unit and a soft cushion 109, and the driving unit comprises two sliding rails 110, two first sliding blocks 111, a connecting block 112, a connecting plate 113, a supporting plate 114, a motor 115 and a rotating shaft 116. The foregoing problems are solved by the foregoing solution, and it can be understood that the foregoing solution may be used in a scenario of performing a bending force test on the LCD screen body 102, and may also be used in a solution of a bending force test problem of an aluminum plate or an LED screen.

For this embodiment, the base 101 is provided with an LCD screen body 102, the base supports the test assembly, and the LCD screen body 102 is disposed on the base 101 for testing bending force.

The fixed plate 103 is fixedly connected with the base 101 and is located above the base 101, the screw machine 104 is arranged on the fixed plate 103, the threaded block 105 and the output end of the screw machine 104 are mutually matched, the pressing plate 106 is fixedly connected with the threaded block 105, the driving unit is arranged on the base 101, the moving plate 107 is arranged on the driving unit, and the pressure sensor 108 is fixedly connected with the moving plate 107 and is located above the moving plate 107. The fixing plate 103 supports the screw machine 104, the screw machine 104 drives the screw block 105 to move, so that the pressing plate 106 moves downwards to fix the LCD screen body 102, and the driving unit drives the moving plate 107 to move, so that the pressure sensor 108 contacts with the LCD screen body 102 to detect bending force.

Next, the cushion 109 is fixedly connected to the platen 106 and located below the platen 106. The cushion 109 is in contact with the LCD panel body 102 to prevent crushing thereof.

Simultaneously, two slide rails 110 all with base 101 fixed connection, and lie in proper order base 101's top, two first slider 111 all with movable plate 107 fixed connection, and the symmetric distribution is in movable plate 107's both sides, and respectively with corresponding slide rail 110 sliding connection, the one end of connecting block 112 with corresponding first slider 111 fixed connection, the other end of connecting block 112 with one side fixed connection of connecting plate 113, backup pad 114 with base 101 fixed connection, and lie in base 101's one side, motor 115 with backup pad 114 fixed connection, and lie in backup pad 114's top, the one end of pivot 116 with motor 115's output fixed connection, the other end of pivot 116 with connecting plate 113 is kept away from one side fixed connection of connecting plate 112. The supporting plate 114 supports the motor 115, the sliding rail 110 provides a moving track, after the motor 115 is started, the rotating shaft 116 is driven to rotate, through the connection of the connecting plate 113, the connecting block 112 is driven to move, so that the first sliding block 111 slides in the sliding rail 110, the moving plate 107 is driven to move upwards, the pressure sensor 108 is driven to contact with the lower part of the LCD screen body 102, and the pressure sensor 108 monitors pressure signals in real time while bending the pressure sensor, so that bending force testing is completed.

When the LCD screen body 102 is tested by using the utility model, the LCD screen body 102 is firstly placed on the base 101, then the screw rod machine 104 drives the threaded block 105 to move, the pressing plate 106 moves downwards to fix the LCD screen body 102, then the motor 115 is started to drive the rotating shaft 116 to rotate, the connecting plate 113 is connected to drive the connecting block 112 to move, the first sliding block 111 slides in the sliding rail 110, so that the moving plate 107 is driven to move upwards, the pressure sensor 108 is driven to contact with the lower part of the LCD screen body 102, and the pressure sensor 108 monitors pressure signals in real time while bending the LCD screen body 102, so that bending force testing is completed.

Second embodiment:

on the basis of the first embodiment, please refer to fig. 3 and fig. 4, wherein fig. 3 is a schematic overall structure of the second embodiment of the present utility model, and fig. 4 is a sectional overall view of the second embodiment of the present utility model.

The utility model provides an LCD screen bending force testing device, which also comprises a stabilizing component, wherein the stabilizing component comprises two expansion plates 201, two second sliding blocks 202 and two supporting rods 204, and the two expansion plates 201 are respectively provided with a sliding groove 203.

For this embodiment, the stabilizing component is disposed on the testing component. The stabilizing component increases the stability of the test of the testing component.

The two expansion plates 201 are fixedly connected with the base 101, are sequentially located above the base 101, are symmetrically distributed on two sides of the pressing plate 106, the two expansion plates 201 are respectively provided with a sliding groove 203, the two second sliding blocks 202 are respectively and slidably connected with the corresponding sliding grooves 203, and the two second sliding blocks 202 are respectively and fixedly connected with the pressing plate 106. The expansion plate 201 limits two sides of the pressing plate 106, when the pressing plate 106 moves, the two second sliding blocks 202 slide in the sliding grooves 203, so that the moving stability of the pressing plate 106 is improved, and shaking is prevented.

Secondly, one ends of the two support rods 204 are fixedly connected with the base 101 and sequentially located above the base 101, and the other ends of the two support rods 204 are respectively fixedly connected with the corresponding slide rails 110. The support rods 204 support and reinforce the slide rail 110, so as to prevent the slide rail 110 from breaking or shaking when the moving plate 107 moves.

When the LCD screen body 102 is tested by using the utility model, the expansion plate 201 limits two sides of the pressing plate 106, when the pressing plate 106 moves, the two second sliding blocks 202 slide in the sliding grooves 203, so that the moving stability of the pressing plate 106 is improved, shaking is prevented, meanwhile, the supporting rods 204 support and reinforce the sliding rail 110, and the sliding rail 110 is prevented from being broken or shaking when the moving plate 107 moves, so that the stability in the test is improved.

The foregoing disclosure is only illustrative of one or more preferred embodiments of the present application and is not intended to limit the scope of the claims hereof, as it is to be understood by those skilled in the art that all or part of the process of implementing the described embodiment may be practiced otherwise than as specifically described and illustrated by the appended claims.

Claims

1. The LCD screen bending force testing device comprises a base, an LCD screen body is arranged on the base, and is characterized in that,

the test assembly is also included;

2. The LCD screen bending force testing device of claim 1, wherein,

3. The LCD screen bending force testing apparatus of claim 2, wherein,

the drive unit comprises two slide rails, two first slide blocks, a connecting block, a connecting plate, a support plate, a motor and a rotating shaft, wherein the two slide rails are fixedly connected with the base and sequentially located above the base, the two first slide blocks are fixedly connected with the movable plate and symmetrically distributed on two sides of the movable plate and respectively correspond to the slide rails in a sliding mode, one end of the connecting block is fixedly connected with the corresponding first slide block, the other end of the connecting block is fixedly connected with one side of the connecting plate, the support plate is fixedly connected with the base and located on one side of the base, the motor is fixedly connected with the support plate and located above the support plate, one end of the rotating shaft is fixedly connected with the output end of the motor, and the other end of the rotating shaft is fixedly connected with one side of the connecting plate away from the connecting block.

4. The LCD screen bending force testing device of claim 3, wherein,

the LCD screen bending force testing device further comprises two expansion plates and two second sliding blocks, wherein the two expansion plates are fixedly connected with the base and sequentially located above the base, are symmetrically distributed on two sides of the pressing plate, the two expansion plates are provided with sliding grooves, the two second sliding blocks are respectively and correspondingly connected with the sliding grooves in a sliding mode, and the two second sliding blocks are fixedly connected with the pressing plate.

5. The LCD screen bending force testing device of claim 4, wherein,

the LCD screen bending force testing device further comprises two supporting rods, one ends of the two supporting rods are fixedly connected with the base, the two supporting rods are sequentially located above the base, and the other ends of the two supporting rods are fixedly connected with the corresponding sliding rails respectively.