LCD liquid crystal display screen detection device

Abstract

The utility model discloses an LCD (Liquid Crystal Display) detection device, which comprises a rack, two sides of the rack are respectively and fixedly connected with a track; the four corners of a bottom plate of the testing frame are fixedly connected with sliding blocks respectively, the sliding blocks are embedded in the corresponding rails respectively, the testing frame is fixedly connected with symmetrical long blocks, and the symmetrical long blocks are fixedly connected with guide round rods respectively; the symmetrical guide round rods respectively penetrate through one end of the sliding groove, the sliding groove is fixedly connected with a U-shaped frame, and the U-shaped frame is fixedly connected with symmetrical dial indicators; and the placing plate is fixedly connected with a base, and the base is fixedly connected with the symmetrical rails. The utility model relates to the technical field of detection, in particular to an LCD (liquid crystal display) detection device. The technical problem to be solved by the utility model is to provide the LCD liquid crystal display screen detection device, which is beneficial to realizing that the dial indicator moves along the length direction of the surface of the LCD liquid crystal display screen and reciprocates along the width direction at the same time, and enlarges the detection range.

Description

Technical Field

[0001] The utility model relates to the technical field of detection, in particular to an LCD liquid crystal display screen detection device. Background Art

[0002] LCD is the abbreviation of Liquid Crystal Display, which means "liquid crystal display", that is, liquid crystal display, which is a flat ultra-thin display device. It consists of a certain number of color or black and white pixels and is placed in front of a light source or a reflective surface. Liquid crystal displays have very low power consumption, so they are favored by engineers and are suitable for electronic devices that use batteries. During the production process of liquid crystal displays, their products need to be inspected.

[0003] Prior art, such as a utility model LCD liquid crystal display screen surface detection device, authorization announcement number CN209879196U. The workpiece is placed flat, which is convenient for measuring its flatness; this device can measure verticality and flatness at the same time, and can measure multiple parameters at the same time.

[0004] At present, there is still a lack of a setting that enables the micrometer to move along the length direction of the LCD liquid crystal display screen surface and reciprocate along the width direction at the same time, so as to expand the detection range. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide an LCD liquid crystal display screen detection device, which is conducive to realizing the micrometer moving along the length direction of the LCD liquid crystal display screen surface and reciprocating along the width direction at the same time, thereby expanding the detection range.

[0006] The utility model adopts the following technical solutions to achieve the purpose of the utility model:

[0007] An LCD liquid crystal display screen detection device, characterized in that it includes: a frame, the two sides of the frame are fixedly connected to the track; a test frame, the four corners of the bottom plate of which are fixedly connected to the sliders, each of which is nested in the corresponding track, the test frame is fixedly connected to symmetrical long blocks, and the symmetrical long blocks are fixedly connected to the guide rods; a slide, the symmetrical guide rods pass through one end of the slide, the slide is fixedly connected to the U frame, and the U frame is fixedly connected to the symmetrical micrometer; a placement plate, fixedly connected to the base, and the base is fixedly connected to the symmetrical track. By setting the micrometer, it moves along the length direction of the LCD liquid crystal display screen surface and reciprocates along the width direction, thereby expanding the detection range.

[0008] As a further limitation of the present technical solution, the bottom plate of the test stand is connected to the central axis of the gear by a bearing, the frame is fixedly connected to the rack, the gear meshes with the rack, the central axis of the gear is fixedly connected to the turntable, and an eccentric block is fixedly connected to the turntable. The eccentric block is arranged in the chute. By adopting the meshing of the gear and the rack and arranging the eccentric block in the chute, power is provided for the movement of the dial indicator along the width direction of the surface of the LCD liquid crystal display screen.

[0009] As a further limitation of the present technical solution, the test stand is fixedly connected to symmetric long rods, one ends of symmetric springs are respectively fixedly connected to the symmetric long rods, the other ends of the symmetric springs are respectively fixedly connected to circular plates, the symmetric circular plates are respectively fixedly connected to guide rods, the symmetric guide rods respectively pass through the corresponding long rods, the symmetric guide rods are respectively fixedly connected to wheel seats, and the symmetric wheel seats are respectively connected to rollers by bearings. By adopting springs, etc., it is convenient for the rollers to contact the LCD liquid crystal display screen and move along the LCD liquid crystal display screen.

[0010] As a further limitation of the present technical solution, the symmetric springs are respectively sleeved around the corresponding guide rods.

[0011] As a further limitation of the present technical solution, the frame is fixedly connected to a motor, the output shaft of the motor is fixedly connected to a screw rod, the screw rod is threadedly connected to a moving block, and the moving block is fixedly connected to the test stand. By adopting the motor, power is provided for the movement of the dial indicator.

[0012] As a further limitation of the present technical solution, the placement plate is provided with symmetric slots, the symmetric slots are matched with symmetric insertion rods, and the symmetric insertion rods are respectively fixedly connected to baffles. By adopting the baffles, the limit after the placement of the LCD liquid crystal display screen is realized, which is convenient for realizing detection.

[0013] As a further limitation of the present technical solution, the corners of the baffle are transitioned by arcs and the surface material thereof is rubber. This avoids damaging the LCD liquid crystal display screen.

[0014] Compared with the related technology, an LCD liquid crystal display screen detection device provided by the present utility model has the following beneficial effects:

[0015] (1) The dial indicator of the present device moves along the length direction of the surface of the LCD liquid crystal display screen and reciprocates along the width direction, expanding the detection range;

[0016] (2) By adopting springs, etc., it is convenient for the rollers to contact the LCD liquid crystal display screen and move along the LCD liquid crystal display screen in the present device;

[0017] (3) Driven by a motor and adopting the meshing of a gear and a rack, power is provided for the movement of the dial indicator in the present device, which is convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0019] Figure 2 is a partial three-dimensional structural schematic diagram of the present utility model Figure 1 ;

[0020] Figure 3 is a partial three-dimensional structural schematic diagram of the present utility model Figure 2 ;

[0021] Figure 4 is a partial three-dimensional structural schematic diagram of the present utility model Figure 3 ;

[0022] Figure 5 is a partial three-dimensional structural schematic diagram of the present utility model Figure 4 ;

[0023] Figure 6 is of the present utility model Figure 5 partial enlarged view of A therein.

[0024] In the figure: 1, frame; 2, track; 3, rack; 4, placing plate; 5, base; 6, screw rod; 7, motor; 8, slot; 9, test stand; 10, slider; 11, moving block; 12, baffle; 13, inserting rod; 14, long block; 15, guiding round rod; 16, sliding groove; 17, turntable; 18, round block; 19, U-shaped frame; 20, dial indicator; 21, roller; 22, wheel seat; 23, long rod; 24, round plate; 25, spring; 26, guiding rod; 27, gear. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0026] Embodiment 1: An LCD liquid crystal display detection device, comprising: a frame 1, with tracks 2 fixedly connected to both sides of the frame 1 respectively; a test frame 9, with sliders 10 fixedly connected to the four corners of its bottom plate respectively, each slider 10 being nested on the corresponding track 2, the test frame 9 being fixedly connected to symmetric long blocks 14, and symmetric long blocks 14 being fixedly connected to guiding round rods 15 respectively; a chute 16, with symmetric guiding round rods 15 respectively passing through one end of the chute 16, the chute 16 being fixedly connected to a U-shaped frame 19, and the U-shaped frame 19 being fixedly connected to symmetric dial indicators 20; a placement plate 4, fixedly connected to a base 5, and the base 5 being fixedly connected to symmetric tracks 2. By setting the dial indicators 20, while moving along the length direction of the surface of the LCD liquid crystal display and reciprocating along the width direction, the detection range is expanded.

[0027] The central axis of a gear 27 is connected to the bottom plate of the test frame 9 by a bearing, the frame 1 is fixedly connected to a rack 3, the gear 27 meshes with the rack 3, the central axis of the gear 27 is fixedly connected to a turntable 17, and an eccentric part of the turntable 17 is fixedly connected to a round block 18, and the round block 18 is arranged in the chute 16. By adopting the meshing of the gear and the rack and arranging the round block 18 in the chute 16, power is provided for the dial indicator 20 to move along the width direction of the surface of the LCD liquid crystal display.

[0028] The frame 1 is fixedly connected to a motor 7, the output shaft of the motor 7 is fixedly connected to a screw rod 6, the screw rod 6 is threadedly connected to a moving block 11, and the moving block 11 is fixedly connected to the test frame 9. By adopting the motor 7, power is provided for the movement of the dial indicator 20.

[0029] The model of the motor 7 is servo motor MD60AIS.

[0030] The placement plate 4 is provided with symmetric slots 8, symmetric plug rods 13 are matched with the symmetric slots 8, and symmetric plug rods 13 are fixedly connected to baffles 12 respectively. By adopting the baffles 12, the limit after the placement of the LCD liquid crystal display is realized, which is convenient for detection.

[0031] The corners of the baffle 12 are in arc transition and the surface material thereof is rubber. Damage to the LCD liquid crystal display is avoided.

[0032] The working principle of an LCD liquid crystal display detection device provided by the present utility model is as follows:

[0033] The LCD liquid crystal display is centered and placed on the placement plate 4, and the plug rods 13 are inserted into the slots 8 so that the baffles 12 contact the LCD liquid crystal display.

[0034] Control the rotation of the motor 7. The motor 7 drives the screw rod 6 to rotate. The screw rod 6 drives the moving block 11 to move. The moving block 11 drives the test frame 9 to move. The test frame 9 drives the slider 10 to move along the track 2. The test frame 9 drives the long block 14, the guiding round rod 15, the gear 27, the turntable 17, the round block 18, the sliding groove 16, the U-shaped frame 19 and the dial indicator 20, etc. to move. During the movement, the gear 27 meshes with the rack 3 and rotates. The gear 27 drives the turntable 17 to rotate. The turntable 17 drives the round block 18 to swing in the sliding groove 16. The round block 18 drives the sliding groove 16 to move along the guiding round rod 15. The sliding groove 16 drives the U-shaped frame 19 and the dial indicator 20 to move, so that the dial indicator 20 is located above the LCD liquid crystal display screen, and the measuring end of the dial indicator 20 contacts the LCD liquid crystal display screen to display the initial value. Control the motor 7 to continue rotating, so that the dial indicator 20 moves along the length direction of the LCD liquid crystal display screen and reciprocates along the width direction of the LCD liquid crystal display screen to realize the flatness detection.

[0035] Embodiment 2: This embodiment is further elaborated on the basis of Embodiment 1. The test frame 9 is fixedly connected to the symmetrical long rods 23. One ends of the symmetrical long rods 23 are respectively fixedly connected to one ends of the springs 25. The other ends of the symmetrical springs 25 are respectively fixedly connected to the round plates 24. The symmetrical round plates 24 are respectively fixedly connected to the guiding rods 26. The symmetrical guiding rods 26 respectively pass through the corresponding long rods 23. The symmetrical guiding rods 26 are respectively fixedly connected to the wheel seats 22. The symmetrical wheel seats 22 are respectively connected to the rollers 21 by bearings. By adopting the springs 25, etc., it is convenient for the rollers 21 to contact the LCD liquid crystal display screen and move along the LCD liquid crystal display screen.

[0036] The symmetrical springs 25 are respectively sleeved on the corresponding guiding rods 26.

[0037] The working principle of an LCD liquid crystal display screen detection device provided by the present invention is as follows:

[0038] When the motor 7 rotates, it drives the round plate 24, the spring 25, the guiding rod 26, the wheel seat 22 and the roller 21 to move. When the roller 21 approaches the LCD liquid crystal display screen, it pulls the round plate 24 to both sides, so that the roller 21 moves to both sides. When the roller 21 moves to the area of the LCD liquid crystal display screen, slowly release the round plate 24 so that the roller 21 contacts the LCD liquid crystal display screen.

[0039] The above are only the embodiments of the present invention, and do not limit the patent scope of the present invention accordingly. Any equivalent structure or equivalent process transformation made by using the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, shall be similarly included in the patent protection scope of the present invention.

Claims

1. An LCD liquid crystal display detection device, characterized in that Comprising: A frame (1), with tracks (2) fixedly connected to both sides of the frame (1); A test stand (9), with sliders (10) fixedly connected to the four corners of its bottom plate. Each of the sliders (10) is nested on the corresponding track (2). The test stand (9) is fixedly connected to symmetric long blocks (14), and the symmetric long blocks (14) are respectively fixedly connected to guide round rods (15); Chute (16), the symmetric guide round rods (15) respectively pass through one end of the chute (16). The chute (16) is fixedly connected to a U-shaped frame (19), and the U-shaped frame (19) is fixedly connected to symmetric dial indicators (20); A placement plate (4), fixedly connected to a base (5), and the base (5) is fixedly connected to the symmetric tracks (2).

2. The LCD liquid crystal display detection device according to claim 1, wherein: The central axis of a gear (27) is connected to the bottom plate of the test stand (9) by a bearing. The frame (1) is fixedly connected to a rack (3). The gear (27) meshes with the rack (3). The central axis of the gear (27) is fixedly connected to a turntable (17), and an eccentric part of the turntable (17) is fixedly connected to a round block (18). The round block (18) is arranged in the chute (16).

3. The LCD liquid crystal display detection device according to claim 1, characterized in that: The test stand (9) is fixedly connected to symmetric long rods (23). One ends of symmetric springs (25) are respectively fixedly connected to the symmetric long rods (23). The other ends of the symmetric springs (25) are respectively fixedly connected to round plates (24). The symmetric round plates (24) are respectively fixedly connected to guide rods (26). The symmetric guide rods (26) respectively pass through the corresponding long rods (23). The symmetric guide rods (26) are respectively fixedly connected to wheel seats (22), and the symmetric wheel seats (22) are respectively connected to rollers (21) by bearings.

4. The LCD liquid crystal display detection device according to claim 3, characterized in that: The symmetric springs (25) respectively sleeved on the corresponding guide rods (26).

5. The LCD liquid crystal display detection device according to claim 1, wherein: The frame (1) is fixedly connected to a motor (7). The output shaft of the motor (7) is fixedly connected to a screw rod (6). The screw rod (6) is threadedly connected to a moving block (11), and the moving block (11) is fixedly connected to the test stand (9).

6. The LCD liquid crystal display detection device according to claim 1, characterized in that: The placement plate (4) is provided with symmetric slots (8). The symmetric slots (8) match symmetric insertion rods (13), and the symmetric insertion rods (13) are respectively fixedly connected to baffles (12).

7. The LCD liquid crystal display detection device according to claim 6, characterized in that: The corners of the baffle (12) are transitioned with arcs and the surface material thereof is rubber.

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