Testing device for liquid crystal display screen production

Abstract

The utility model discloses a testing device for liquid crystal display screen production, which relates to the field of display screen production and comprises a bottom plate, stand column mounting frames are symmetrically arranged on the bottom plate, rotating frames and a driving box are fixedly mounted on the stand column mounting frames, and a driving motor is in transmission connection with the driving box. Symmetrical connecting supports are rotatably connected to the inner sides of the rotating frame and the driving box, the connecting supports are connected with the driving motor, a testing support device is fixedly connected between the connecting supports and comprises a guide rod, testing support plates are fixedly connected to the two ends of the guide rod, and double-thread screws parallel to the central axis of the rotating frame are arranged on the testing support plates. Positioning devices in sliding connection are symmetrically arranged on the guide rod, the positioning devices are connected with the double-thread screw, each positioning device comprises a positioning plate, a buffer plate device, a transmission screw and a fixing support device, the posture of the liquid crystal display screen can be conveniently and comprehensively adjusted, the requirements of different detection items can be met, and the applicability of the device is greatly improved.

Description

Technical Field

[0001] This utility model belongs to the field of display screen manufacturing, and specifically relates to a testing device for LCD display screen manufacturing. Background Technology

[0002] LCD screens undergo various tests during production to ensure their quality and performance meet standards. Production testing equipment is a key component for detecting the various performance indicators of LCD screens.

[0003] Chinese Patent Application No. CN202322490502.4 discloses an automatic testing device for the function of a display screen on a production line. The device includes a base, a vertical plate mounted on the base, a connector mounted on the lower part of the vertical plate, a mounting seat mounted on the connector, a screw rotatably mounted on the mounting seat, a lifting plate threaded onto the screw, limit rods mounted on both sides of the screw on the lifting plate, a rotating rod mounted on the lifting plate, and rollers mounted on the rotating rod. A display screen body is also mounted on the base, with one lower side of the display screen body abutting against the rollers. A drive motor gradually raises the lifting plate. During this upward movement, the rollers gradually lift one end of the display screen body, allowing it to move around a movable axis and adjust its angle. This solves the problem of inconvenience in performing multiple tests on the display screen on the same testing device. However, the device can only adjust the tilt angle and cannot perform a full rotation, resulting in a limited angle adjustment range for the display screen and affecting testing efficiency. Utility Model Content

[0004] To address the problems mentioned in the background, this utility model provides a testing device for LCD screen production, which can conveniently and comprehensively adjust the orientation of the LCD screen to meet the requirements of different testing items and improve the applicability of the device.

[0005] To achieve the above objectives, the specific technical solution of this utility model is as follows:

[0006] A testing device for LCD screen production includes a base plate with symmetrically arranged vertically upward column mounting brackets. A rotating frame is fixedly mounted on one side of the column mounting bracket, and a drive box is fixedly mounted on the other side. A drive motor is drivenly connected to the drive box. Symmetrical connecting brackets are rotatably connected to the rotating frame and the drive box, and the connecting brackets are connected to the drive motors. A test bracket device is fixedly connected between the connecting brackets. The test bracket device includes a guide rod with test bracket plates fixedly connected to both ends of the guide rod. The test bracket plates are provided with double-ended screws parallel to the central axis of the rotating frame. A slidably connected positioning device is provided on the guide rod and connected to the double-ended screws. The positioning device includes a positioning plate, a buffer plate device, a transmission screw, and a fixed bracket device.

[0007] As a further setting of the above scheme, the test support plate is provided with a driving support, the double-end screw rod is rotationally connected to the driving support, the double-end screw rod is connected to the first motor at one end, and the mounting screw blocks are symmetrically and transmissionally connected to the double-end screw rod.

[0008] As a further setting of the above scheme, the test support plate is provided with a driving support, the double-end screw rod is rotationally connected to the driving support, the double-end screw rod is connected to the first motor at one end, and the mounting screw blocks are symmetrically and transmissionally connected to the double-end screw rod.

[0009] As a further setting of the above scheme, the test support plate is provided with a driving support, the double-end screw rod is rotationally connected to the driving support, the double-end screw rod is connected to the first motor at one end, and the mounting screw blocks are symmetrically and transmissionally connected to the double-end screw rod.

[0010] As a further setting of the above scheme, the test support plate is provided with a driving support, the double-end screw rod is rotationally connected to the driving support, the double-end screw rod is connected to the first motor at one end, and the mounting screw blocks are symmetrically and transmissionally connected to the double-end screw rod.

[0011] The utility model has the following beneficial effects:

[0012] The driving motor drives the test support device to rotate through the driving box and the connecting support, the test support device drives the two positioning devices to rotate to a horizontal posture, the first motor drives the double-end screw rod to rotate, the double-end screw rod drives the two positioning devices to synchronously approach or move away from each other through the mounting screw block, so that the size specification of the liquid crystal display screen is adapted, the liquid crystal display screen is placed on the elastic pad of the buffer plate device, the second motor drives the transmission screw rod to rotate, the transmission screw rod drives the fixed support device to approach each other, under the action of the compression spring, the positioning roller abuts against the upper end surface of the liquid crystal display screen, the inner side of the positioning vertical plate abuts against the side surface of the liquid crystal display screen, the liquid crystal display screen is quickly positioned and fixed in cooperation with the buffer plate device, the test support device drives the two positioning devices to rotate to a required detection angle posture, the requirement of different detection items is met, and the applicability of the device is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the appearance schematic diagram of the utility model;

[0014] Figure 2 It is the test support device and positioning device assembly drawing of the utility model;

[0015] Figure 3 is a schematic diagram of the test support device of the utility model;

[0016] Figure 4 is a schematic diagram of the positioning device of the utility model;

[0017] Figure 5 is a schematic diagram of the fixed support device of the utility model.

[0018] 1, bottom plate; 2, column mounting frame; 3, rotating frame; 4, drive box; 5, drive motor; 6, connecting support; 7, test support device; 8, positioning device; 701, test support plate; 7011, drive support; 702, guide rod; 703, double-end screw; 7031, mounting screw block; 7032, first motor; 801, positioning plate; 8011, guide sliding table; 8012, vertical sliding groove; 8013, long slot; 802, buffer plate device; 8021, buffer spring; 8022, mounting plate; 8023, elastic pad; 803, transmission screw; 8031, second motor; 804, fixed support device; 8041, drive screw block; 8042, positioning vertical plate; 8043, fixed horizontal plate; 8044, hinged shaft sleeve; 8045, swing plate; 8046, positioning roller; 8047, compression spring. DETAILED DESCRIPTION

[0019] In order to make the personnel in the technical field better understand the present application scheme, the technical scheme in the present application embodiment will be described clearly and completely in the following with reference to the drawings in the present application embodiment. Obviously, the described embodiments are only a part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by the person skilled in the art without creative labor should belong to the scope of protection of the present application.

[0020] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments. Figures 1-5 The present application will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

[0021] As Figure 1 , Figure 2As shown, a kind of testing device for liquid crystal display screen production, the vertical upward stand column mounting frame 2 being symmetrically provided on base plate 1, one side stand column mounting frame 2 is fixedly installed with rotating frame 3, the other side stand column mounting frame 2 is fixedly installed with drive box 4, and drive motor 5 is drivingly connected on drive box 4, and the inside rotating frame 3 and drive box 4 are rotatably connected with the symmetric connecting bracket 6, the connecting bracket 6 is connected with drive motor 5, and the connecting bracket 6 is fixedly connected with test support device 7 between connecting bracket 6, test support device 7 includes guide rod 702, and the both ends of guide rod 702 are fixedly connected with test support plate 701, and test support plate 701 is equipped with double-end screw 703 parallel with the center axis of rotating frame 3, and the both ends of guide rod 702 are symmetrically equipped with slidingly connected positioning device 8, positioning device 8 is connected with double-end screw 703, and positioning device 8 includes positioning plate 801, buffer plate device 802, transmission screw 803 and fixed support device 804.

[0022] As shown, Figure 3 Test support plate 701 is equipped with driving support 7011, double-end screw 703 is rotatably connected on driving support 7011, one end of double-end screw 703 is connected with first motor 7032, and mounting screw block 7031 is drivingly connected on double-end screw 703, and mounting screw block 7031 is fixedly connected with positioning plate 801.

[0023] As shown, Figure 4 The upper end surface of positioning plate 801 is symmetrically equipped with guide sliding table 8011, and the upper end surface of guide sliding table 8011 is equipped with vertical sliding groove 8012 opening upward, guide sliding table 8011 is slidingly connected with guide rod 702, buffer plate device 802 includes buffer spring 8021, the lower end of buffer spring 8021 is fixedly connected on positioning plate 801 between guide sliding table 8011, the upper end of buffer spring 8021 is fixedly connected with mounting plate 8022, mounting plate 801 is slidingly connected with vertical sliding groove 8012, and the upper end surface of mounting plate 801 is equipped with elastic pad 8023, and the both sides of guide sliding table 8011 are opened with symmetric long slot 8013, transmission screw 803 is rotatably connected in long slot 8013, and one end of transmission screw 803 is connected with second motor 8031.

[0024] As shown, Figure 5 Fixed support device 804 includes driving screw block 8041, driving screw block 8041 is drivingly connected on transmission screw 803, driving screw block 8041 is fixedly connected with vertical positioning vertical plate 8042 upward, the upper end side of positioning vertical plate 8042 is fixedly connected with vertical fixed horizontal plate 8043, fixed horizontal plate 8043 is equipped with hinged shaft sleeve 8044 near one end of buffer plate device 802, hinged shaft sleeve 8044 is rotatably connected with swing plate 8045, swing plate 8045 is rotatably connected with positioning roller 8046 on the other end, and fixed horizontal plate 8043 and swing plate 8045 are connected with compression spring 8047 between them.

[0025] The working process of the utility model: drive motor 5 through drive box 4 and connecting support 6 drive test support device 7 rotation, test support device 7 drive two positioning device 8 rotation to horizontal posture, first motor 7032 drive double -end screw rod 703 rotation, double -end screw rod 703 through installation screw block 7031 drive two positioning device 8 synchronous each other close or far away, adapt to the size specification of liquid crystal display, place liquid crystal display on the elastic pad 8023 on buffer plate device 802, second motor 8031 drive transmission screw rod 803 rotation, transmission screw rod 803 through drive screw block 8041 drive fixed support device 804 each other close, under the action of compression spring 8047, swing plate 8045 drive positioning roller 8046 abut liquid crystal display upper end face, positioning vertical board 8042 inner side abut liquid crystal display side, cooperate buffer plate device 802, quickly liquid crystal display positioning and fix, when detecting, test support device 7 drive two positioning device 8 rotation to the required detection angle posture, satisfy the requirement of different detection project, greatly improve the applicability of device.

[0026] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model, for those skilled in the art, obviously 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 of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model.

[0027] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, the description manner of the specification is only for clarity, the technical solutions in each embodiment can also be combined appropriately to form other embodiments that can be understood by those skilled in the art.

Claims

1. A test device for liquid crystal display screen production, comprising a base plate, vertically upward column mounting racks are symmetrically arranged on the base plate, a rotating frame is fixedly installed on one side column mounting rack, a drive box is fixedly installed on the other side column mounting rack, a drive motor is drivingly connected to the drive box, symmetrically connected brackets are rotatably connected to the inner sides of the rotating frame and the drive box, the connected brackets are connected with the drive motor, characterized in that, The connecting support is fixedly connected with a test support device, which comprises a guide rod, the ends of which are fixedly connected with test support plates, the test support plates are provided with double-end screws parallel to the central axis of the rotating frame, the guide rod is symmetrically provided with a slidingly connected positioning device, the positioning device is connected with the double-end screws, and the positioning device comprises a positioning plate, a buffer plate device, a transmission screw and a fixing support device.

2. The testing device for liquid crystal display panel production according to claim 1, wherein The test support plates are provided with a driving support, the double-end screws are rotationally connected with the driving support, one end of the double-end screws is connected with a first motor, and the double-end screws are symmetrically transmissionally connected with mounting screws, which are fixedly connected with the positioning plate.

3. The testing device for liquid crystal display panel production according to claim 1, wherein The positioning plate is symmetrically provided on the upper end face with guide sliding tables, the upper end face of the guide sliding tables is provided with vertically upward open vertical sliding grooves, the guide sliding tables are slidingly connected with the guide rod, the buffer plate device comprises buffer springs, the lower ends of the buffer springs are fixedly connected with the positioning plate between the guide sliding tables, the upper ends of the buffer springs are fixedly connected with mounting plates, the mounting plates are slidingly connected with the vertical sliding grooves, and the upper end face of the mounting plates is provided with elastic pads.

4. The testing device for liquid crystal display panel production according to claim 3, wherein The guide sliding tables are symmetrically provided with long grooves on the two sides, and the transmission screws are rotationally connected in the long grooves, one end of the transmission screws is connected with a second motor.

5. The testing device for liquid crystal display panel production according to claim 3, wherein The fixing support device comprises a driving screw block, which is transmissionally connected with the transmission screw, the driving screw block is fixedly connected with a vertical positioning vertical plate, the upper end side of the positioning vertical plate is fixedly connected with a vertical fixing horizontal plate, one end of the fixing horizontal plate close to the buffer plate device is provided with a hinged shaft sleeve, the hinged shaft sleeve is rotationally connected with a swing plate, the other end of the swing plate is rotationally connected with a positioning roller, and the fixing horizontal plate and the swing plate are connected with a compression spring.

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