LCD display screen test tool

Abstract

The utility model relates to the technical field of display screen testing, and discloses an LCD display screen testing tool which comprises a tool base, the bottom of the tool base is fixedly connected with a gear box, one side of the gear box is fixedly connected with a driving motor, the upper side face of the tool base is provided with a rectangular mounting groove, and the upper side face of the tool base is provided with a clamping groove. A long-strip-shaped moving groove is formed in the inner wall of the bottom side of the mounting groove, moving arms are movably connected to the two ends of the moving groove in an inserted mode, the tops of the moving arms extend into the mounting groove to be fixedly connected with clamping arms, the flexible clamping device is adopted, the display screen display screen fixing device can adapt to display screens of different shapes, sizes and materials, and the display screen display screen fixing device is convenient to use. Especially for a special-shaped or curved screen, through the buffering design of the rubber clamping rod and the spring, soft and stable clamping is ensured, the damage risk is reduced, a clamping force control knob is further arranged, the clamping force can be easily adjusted, and different test requirements are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to display screen test technical field, concretely is a kind of LCD display screen test tooling. BACKGROUND

[0002] With the rapid development of liquid crystal display technology (LCD), LCD display screen has been widely used in television, computer display, mobile phone, tablet computer and various portable electronic equipment, in LCD display screen manufacturing industry, test tooling is the key link to ensure product quality, with the continuous progress of LCD display screen technology, its shape, size and material are increasingly diversified, which puts forward higher requirements for test tooling.

[0003] Such as the announcement number CN216248676U discloses a kind of LCD liquid crystal display screen test tooling, including bottom plate, power unit, fixed unit and test unit;The upper surface of bottom plate is equipped with fixed plate;Power unit includes slider, work plate, straight tooth, gear, mounting bracket and installation slot, the upper surface of fixed plate is also equipped with connecting plate, the side surface of connecting plate is equipped with sliding slot, the side surface of work plate is equipped with slider, the slider and sliding slot are slidably connected, the upper surface of work plate is equipped with installation slot, the other side of work plate is evenly equipped with straight tooth, the upper surface of bottom plate is also equipped with mounting bracket, although it improves test efficiency to a certain extent, but in the face of the diversification demand of new display screen, its limitation is increasingly highlighted, and rigid fixture design is used, it is difficult to adapt to the clamping demand of special-shaped or curved display screen, possibly leading to unstable clamping or damage screen, for this, we propose a kind of LCD display screen test tooling. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of prior art, the utility model provides a kind of LCD display screen test tooling, solves the above-mentioned problems.

[0005] To achieve the above-mentioned purposes, the utility model provides the following technical scheme: a kind of LCD display screen test tooling, including tooling base, the bottom of tooling base is fixedly connected with gear box, one side of gear box is fixedly connected with driving motor, the upper side of tooling base is equipped with rectangular installation slot, the bottom side inner wall of installation slot is equipped with long strip mobile slot, and mobile arm is movably inserted in both ends of mobile slot, the top of mobile arm extends into installation slot and is fixedly connected with clamping arm, further include:

[0006] Mobile drive device, it is set on gear box, for the relative or apart movement of two clamping arms;

[0007] Flexible clamping device, it is set on clamping arm, for clamping and testing display screen.

[0008] Preferably, the mobile drive device includes a threaded screw, gear one and gear two, and the upper ends of both sides of the gear box are movably connected with threaded screws, and both ends of the threaded screw are threadedly connected to the two movable arms. The rotating shaft of the drive motor extends into the inner cavity of the gear box and is fixedly connected to gear one, and the side of the threaded screw is fixedly connected to the inner cavity of the gear box corresponding to gear two, and gear one and gear two are meshed with each other.

[0009] Preferably, a limiting rod is fixedly inserted on the side surface of the gear box, and both ends of the limiting rod are movably inserted on the upper ends of the two movable arms.

[0010] Preferably, the flexible clamping device includes a fixed plug, a rubber clamping rod and a movable cavity. Rectangular grooves are provided on both sides of the clamping arm. A plurality of fixed plugs distributed in a matrix are fixedly inserted on the inner wall of the groove on the opposite side of the two clamping arms. The fixed plug is T-shaped. A movable cavity is opened on the top of the plurality of fixed plugs. Rubber clamping rods are movably inserted in the plurality of movable cavities. The other end of the rubber clamping rod extends to the groove on the opposite side of the two clamping arms.

[0011] Preferably, the flexible clamping device also includes a clamping force control knob, a threaded block and a spring. A threaded groove is opened in the middle of the inner wall of the movable cavity. A threaded block is threadedly connected to the inner cavity of the movable cavity. The side of the threaded block away from the rubber clamping rod is fixedly connected to the clamping force control knob, and the other side of the threaded block is fixedly connected to a spring. The other end of the spring is specified to be connected to the rubber clamping rod.

[0012] Preferably, the rubber clamping rod is made of rubber, and the end away from the threaded block is hemispherical.

[0013] Compared with the prior art, the present invention provides an LCD display test fixture with the following beneficial effects:

[0014] 1. An LCD display test fixture uses a flexible clamping device design that can adapt to LCD displays of different shapes, sizes, and materials, especially special-shaped or curved displays. The material selection and hemispherical design of the rubber clamping rod, as well as the cushioning effect of the spring, ensure softness and stability during the clamping process. It can not only firmly clamp the display, but also reduce the risk of damage to the display during the clamping process, effectively avoiding the problems of unstable clamping or screen damage that may be caused by traditional rigid fixtures.

[0015] 2. An LCD display test fixture can conveniently adjust the position of the threaded block in the active cavity by rotating the clamping force control knob, thereby changing the clamping force of the rubber clamping rod, allowing the fixture to achieve precise control of the clamping force according to the characteristics and testing requirements of different display screens.

[0016] 3. The LCD display screen testing tool has reasonable structure design, and each part is easy to disassemble and replace, so that daily maintenance and care are facilitated, and the operation process is simple and clear, thereby reducing the skill requirement for the operator. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the utility model;

[0018] Figure 2 It is a sectional view of the tool base of the utility model;

[0019] Figure 3 It is a sectional view of the clamping arm of the utility model;

[0020] Figure 4 It is a sectional view of the fixed plug of the utility model.

[0021] In the figure: 1, tool base; 2, gear box; 3, driving motor; 4, moving arm; 5, clamping arm; 6, threaded screw rod; 7, limiting rod; 8, gear one; 9, gear two; 10, fixed plug; 11, rubber clamping rod; 12, clamping force control knob; 13, threaded block; 14, spring; 15, movable cavity. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Please refer to Figures 1-4 An LCD display screen testing tool, comprising a tool base 1, a gear box 2 is fixedly connected to the bottom of the tool base 1, a driving motor 3 is fixedly connected to one side of the gear box 2, a rectangular mounting groove is formed in the upper side of the tool base 1, a long strip-shaped moving groove is formed in the bottom side inner wall of the mounting groove, a moving arm 4 is movably inserted into the two ends of the moving groove, a clamping arm 5 is fixedly connected to the top of the moving arm 4 extending into the mounting groove, and the tool base 1 further comprises:

[0024] A moving driving device is arranged on the gear box 2 and used for relatively moving or moving away the two clamping arms 5;

[0025] A flexible clamping device is arranged on the clamping arm 5 and used for clamping and testing the display screen.

[0026] Further, the mobile driving device comprises a threaded screw rod 6, a gear one 8 and a gear two 9, the threaded screw rod 6 is movably inserted on the upper end of the gear box 2, the threaded screw rod 6 is threadedly inserted on the two mobile arms 4, the rotating shaft of the driving motor 3 extends into the inner cavity of the gear box 2 and is fixedly connected with the gear one 8, the side of the threaded screw rod 6 is fixedly connected with the gear two 9 in the inner cavity of the gear box 2, and the gear one 8 and the gear two 9 are engaged with each other.

[0027] Further, the side of the gear box 2 is fixedly inserted with a limiting rod 7, and the two ends of the limiting rod 7 are movably inserted on the upper ends of the two mobile arms 4.

[0028] Further, the flexible clamping device comprises a fixed insertion block 10, a rubber clamping rod 11 and a movable cavity 15, the two sides of the clamping arm 5 are provided with rectangular grooves, a plurality of fixed insertion blocks 10 distributed in a matrix are fixedly inserted on the inner wall of the groove on the side opposite to the other side of the two clamping arms 5, the fixed insertion block 10 is T-shaped, the movable cavity 15 is formed on the upper end of the plurality of fixed insertion blocks 10, the rubber clamping rod 11 is movably inserted in the movable cavity 15, and the other end of the rubber clamping rod 11 extends into the groove on the side opposite to the other side of the two clamping arms 5.

[0029] Further, the flexible clamping device further comprises a clamping force control knob 12, a threaded block 13 and a spring 14, the inner wall of the movable cavity 15 is provided with a threaded groove in the middle, the threaded block 13 is threadedly connected in the inner cavity of the movable cavity 15, the clamping force control knob 12 is fixedly connected on the side of the threaded block 13 away from the rubber clamping rod 11, the spring 14 is fixedly connected on the other side of the threaded block 13, and the other end of the spring 14 is fixedly connected on the rubber clamping rod 11.

[0030] Further, the rubber clamping rod 11 is made of rubber, and the end away from the threaded block 13 is hemispherical.

[0031] Working principle: when the device is used to clamp the display screen, when the LCD display screen needs to be clamped, first place the LCD display screen between the two clamping arms 5 in the installation groove above the tool base 1, then start the driving motor 3, the rotating shaft drives gear one 8 to rotate, gear one 8 and gear two 9 are meshed with each other, thereby driving the threaded screw rod 6 to rotate, since the threaded screw rod 6 is threadedly connected at both ends to the two moving arms 4, the rotation of the threaded screw rod will cause the two moving arms 4 to move relatively or apart along the moving groove, with the movement of the moving arm 4, the rubber clamping rod 11 on the clamping arm 5 gradually approaches the edge of the LCD display screen, in the process of moving, under the limitation of the limiting rod 7, the movement range of the moving arm 4 is controlled, ensuring the stability of the clamping action, in the clamping process, the edges of the display screen are extruded by the plurality of rubber clamping rods 11 on both sides of the display screen, since the rubber clamping rod 11 is fixedly connected with the spring 14 in the movable cavity 15, under the pressure of the movement of the two clamping arms 5, the rubber clamping rod 11 in contact with the display screen is displaced to different degrees, so as to complete the flexible clamping of the display screen, when the LCD display screen is stably clamped, corresponding test operation can be carried out, the spring 14 provides a certain buffering effect in the clamping process, ensuring the stable change of the clamping force and reducing the risk of damage to the display screen, during the period of non-clamping, the position of the threaded block 13 in the movable cavity 15 can be adjusted by rotating the clamping force control knob 12, the movement of the threaded block 13 will change the clamping force of the rubber clamping rod 11, when the threaded block moves away from the rubber clamping rod, the clamping force decreases, when the threaded block moves close to the rubber clamping rod, the clamping force increases, after the test is completed, the driving motor 3 is rotated in reverse, the threaded screw rod 6 is rotated in reverse, thereby causing the two moving arms 4 to move apart, releasing the LCD display screen.

[0032] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An LCD display screen testing tool, comprising a tool base (1), characterized in that: The bottom of the tooling base (1) is fixedly connected to a gear box (2), one side of the gear box (2) is fixedly connected to a drive motor (3), the upper side of the tooling base (1) is provided with a rectangular mounting groove, the bottom inner wall of the mounting groove is provided with a long strip-shaped movable groove, the two ends of the movable groove are movably connected to movable arms (4), the top of the movable arm (4) extends into the mounting groove and is fixedly connected to a clamping arm (5), and further comprises: A moving drive device, which is arranged on the gear box (2) and is used to move the two clamping arms (5) relative to or apart from each other; A flexible clamping device is provided on the clamping arm (5) and is used for clamping and testing the display screen.

2. The LCD display screen testing tool according to claim 1, characterized in that: The mobile driving device includes a threaded screw (6), a gear 1 (8) and a gear 2 (9), the upper ends of both sides of the gear box (2) are movably connected with the threaded screw (6), both ends of the threaded screw (6) are threadedly connected to the two movable arms (4), the rotating shaft of the driving motor (3) extends to the inner cavity of the gear box (2) and is fixedly connected with the gear 1 (8), the side surface of the threaded screw (6) corresponds to the inner cavity of the gear box (2) and is fixedly connected with the gear 2 (9), and the gear 1 (8) and the gear 2 (9) are meshed with each other.

3. The LCD display screen testing tool according to claim 1, characterized in that: A limiting rod (7) is fixedly inserted on the side of the gear box (2), and both ends of the limiting rod (7) are movably inserted on the upper ends of the two movable arms (4).

4. The LCD display screen testing tool according to claim 1, characterized in that: The flexible clamping device includes a fixed plug (10), a rubber clamping rod (11) and a movable cavity (15), wherein rectangular grooves are provided on both sides of the clamping arm (5), and a plurality of fixed plugs (10) distributed in a matrix are fixedly inserted on the inner wall of the groove on the opposite side of the two clamping arms (5), wherein the fixed plug (10) is T-shaped, and a movable cavity (15) is provided on the top of the plurality of fixed plugs (10), and a rubber clamping rod (11) is movably inserted in the plurality of movable cavities (15), and the other end of the rubber clamping rod (11) extends to the groove on the opposite side of the two clamping arms (5).

5. The LCD display screen testing tool according to claim 4, characterized in that: The flexible clamping device also includes a clamping force control knob (12), a threaded block (13) and a spring (14). A threaded groove is provided in the middle of the inner wall of the movable cavity (15). The threaded block (13) is threadedly connected in the inner cavity of the movable cavity (15). The side of the threaded block (13) away from the rubber clamping rod (11) is fixedly connected to the clamping force control knob (12). The other side of the threaded block (13) is fixedly connected to the spring (14). The other end of the spring (14) is specified to be connected to the rubber clamping rod (11).

6. The LCD display screen testing tool according to claim 5, characterized in that: The rubber clamping rod (11) is made of rubber, and the end away from the threaded block (13) is in a hemispherical shape.

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