Hardness detection device for liquid crystal display screen processing

Abstract

The utility model discloses a hardness detection device for processing a liquid crystal display screen, which comprises a mounting groove, the mounting groove is arranged at the upper end of a base, a mounting seat is arranged in the mounting groove, a second electric telescopic rod is arranged on one side of the mounting seat, sliding grooves are formed in the mounting seat, and storage racks are arranged in the two sliding grooves; the motor is arranged in the mounting base, and a double-end lead screw is arranged in the sliding groove; the mounting frame is arranged above the base, a detection head is arranged below the moving seat, a pressure sensor connecting seat is arranged at the upper end of the detection head, and a third electric telescopic rod is arranged between the pressure sensor connecting seat and the moving seat. During detection, the position of the liquid crystal display screen or the detection head is adjusted, hardness detection can be conveniently carried out on different parts of the liquid crystal display screen, detection data are relatively front, and the hardness detection effect is improved.

Description

Technical Field

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

[0002] With the gradual development of science and technology, LCD screens can be seen everywhere in people's lives and are widely used in TV or computer monitors. LCD screens are flat and thin display devices, composed of a certain number of color or black and white pixels, placed in front of a light source or a reflective surface. LCD screens have low power consumption, so they are favored by engineers and are suitable for battery-powered electronic devices, digital clocks and many portable computers. After the LCD screen is processed, it is necessary to perform sampling hardness testing to avoid uneven quality.

[0003] The Chinese patent announcement number is CN217084537U, and the authorization announcement date is July 29, 2022. A hardness detection device for LCD liquid crystal display processing includes a base, a vertically arranged cylinder is fixedly connected to the base through a bracket, an extrusion mechanism is installed in the cylinder, a mounting block connected to the extrusion mechanism is provided below the cylinder, a pressure sensor is installed in the mounting block, a detachable extrusion head is installed at the bottom of the mounting block, and two splints with adjustable spacing are also installed on the base, and a support assembly is inserted between the two splints. The detection device can quickly replace different extrusion heads according to different test requirements, and the support at the bottom of the display can be quickly pulled out as needed.

[0004] The existing clamping mechanism and detection mechanism are relatively fixed, and can only perform hardness detection on one point of a fixed LCD screen. The hardness of different parts of the LCD screen is different, and it is difficult to perform hardness detection on multiple points of the LCD screen, resulting in large errors in the detection data, reducing the detection effect, and failing to meet usage requirements. Utility Model Content

[0005] The purpose of the utility model is to provide a hardness testing device for processing a liquid crystal display screen, so as to solve the problem proposed in the above background technology that the existing clamping mechanism and the testing mechanism are relatively fixedly arranged, and the hardness can only be tested on one point of the fixed liquid crystal display screen. The hardness of different parts of the liquid crystal display screen is different, and it is difficult to perform hardness testing on multiple points of the liquid crystal display screen, which makes the test data error large, reduces the test effect, and cannot meet the use requirements.

[0006] To achieve the above purpose, the utility model provides the following technical solutions: a hardness detection device for processing a liquid crystal display screen, comprising a base and a movable seat, and also comprising:

[0007] A mounting groove is arranged at the upper end of the base, a mounting seat is arranged inside the mounting groove, and the mounting seat is movably connected to the base, a second electric telescopic rod is arranged on one side of the mounting seat, and the two ends of the second electric telescopic rod are respectively fixedly connected to the base and the mounting seat, a slide groove is arranged on the mounting seat, and there are two slide grooves, and racks are arranged inside the two slide grooves, and the racks are movably connected to the mounting seat, and the upper ends of the racks are arranged with L-shaped grooves;

[0008] A motor is arranged inside the mounting seat, and the motor and the mounting seat are connected by screws. A threaded hole is arranged on the storage rack, and a double-headed screw rod is arranged inside the slide slot, and the double-headed screw rod and the threaded hole are arranged through, one end of the double-headed screw rod is connected to the output end of the motor, and the double-headed screw rod is threadedly connected to the storage rack;

[0009] A mounting frame is arranged above the base, two mounting frames are provided, and the mounting frames are fixedly connected to the base, a crossbeam is provided between the two mounting frames, and the crossbeam is connected to the mounting frame by screws, a through hole is provided on the movable seat, and the through hole and the crossbeam are arranged in communication, a detection head is provided below the movable seat, a pressure sensor connecting seat is provided at the upper end of the detection head, and the pressure sensor connecting seat is connected to the detection head as a whole, a third electric telescopic rod is provided between the pressure sensor connecting seat and the movable seat, and two ends of the third electric telescopic rod are respectively fixedly connected to the movable seat and the pressure sensor connecting seat.

[0010] Preferably, the movable seat is slidably connected to the cross beam, a first electric telescopic rod is arranged above the cross beam, and two ends of the first electric telescopic rod are respectively fixedly connected to the mounting frame and the movable seat.

[0011] Preferably, a pressing plate is provided above the storage rack, a fourth electric telescopic rod is provided between the pressing plate and the storage rack, and two ends of the fourth electric telescopic rod are fixedly connected to the storage rack and the pressing plate respectively.

[0012] Preferably, a rubber pad is provided at the lower end of the pressing plate and the inner side of the L-shaped groove, and the rubber pad is connected to the storage rack and the pressing plate as a whole, and a pressure sensor is provided on the rubber pad, and the pressure sensor is fixedly connected to the rubber pad.

[0013] Preferably, sliders are provided on both sides of the storage rack, and the sliders are fixedly connected to the storage rack, and the sliders are slidably connected to the mounting seat.

[0014] Preferably, a rolling groove is provided on the inner wall of the mounting groove, and balls are provided on both side walls of the mounting seat. One end of the ball extends to the inside of the rolling groove, and the ball is rollingly connected to the base and the mounting seat.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The utility model device is provided with a storage rack, a motor, a third electric telescopic rod, a detection head and a pressure sensor connection seat. The motor drives the double-headed screw to rotate, and the rotation of the double-headed screw synchronously drives the two storage racks to move. The LCD screen is clamped and fixed by the storage rack, and the third electric telescopic rod drives the detection head to rise and fall. The descending detection head contacts the LCD screen and applies pressure. The pressure sensor connection seat measures the pressure applied to the LCD screen, and the hardness of the LCD screen is detected according to the measured critical value data.

[0017] 2. The utility model device is provided with a pressing plate, a fourth electric telescopic rod and a pressure sensor. The fourth electric telescopic rod drives the pressing plate to rise and fall, and the pressing plate is used to vertically clamp the LCD screen to ensure the stability of the LCD screen detection process. The pressure sensor measures the clamping force to prevent the LCD screen from being damaged by excessive force.

[0018] 3. The utility model device is provided with a first electric telescopic rod, which drives the moving seat to move laterally along the beam to change the lateral position of the detection head;

[0019] 4. The utility model device is provided with a second electric telescopic rod, which drives the mounting seat to move longitudinally in the mounting groove to change the longitudinal position of the liquid crystal display screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a diagram showing the connection relationship between the mounting seat, the base and the storage rack of the utility model;

[0022] Figure 3 It is a top view of the connection between the mounting seat and the base of the utility model;

[0023] Figure 4 This is a diagram showing the connection relationship between the movable seat and the crossbeam of the utility model;

[0024] Figure 5 For the utility model Figure 2 A partial enlarged view of area A;

[0025] Figure 6 This is a connection diagram between the storage rack and the mounting base of the utility model.

[0026] In the figure: 1. base; 2. mounting frame; 3. crossbeam; 4. moving seat; 5. first electric telescopic rod; 6. mounting groove; 7. mounting seat; 8. second electric telescopic rod; 9. slide groove; 10. storage rack; 11. pressure plate; 12. motor; 13. rolling groove; 14. ball bearing; 15. threaded hole; 16. double-headed screw rod; 17. through hole; 18. pressure sensor connecting seat; 19. third electric telescopic rod; 20. detection head; 21. L-shaped groove; 22. fourth electric telescopic rod; 23. rubber pad; 24. pressure sensor; 25. slider. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0028] See also Figure 1-6 The utility model provides an embodiment: a hardness detection device for processing a liquid crystal display screen, comprising a base 1 and a movable seat 4, and also comprising:

[0029] A mounting groove 6 is arranged at the upper end of the base 1, a mounting seat 7 is arranged inside the mounting groove 6, and the mounting seat 7 is movably connected to the base 1, a second electric telescopic rod 8 is arranged on one side of the mounting seat 7, and the two ends of the second electric telescopic rod 8 are respectively fixedly connected to the base 1 and the mounting seat 7, a slide groove 9 is arranged on the mounting seat 7, and the slide groove 9 is provided with two, and a shelf 10 is arranged inside the two slide grooves 9, and the shelf 10 is movably connected to the mounting seat 7, and the upper end of the shelf 10 is provided with an L-shaped groove 21;

[0030] The motor 12 is arranged inside the mounting seat 7, and the motor 12 is connected to the mounting seat 7 by screws. The rack 10 is provided with a threaded hole 15, and the slide groove 9 is provided with a double-headed screw 16, and the double-headed screw 16 is arranged through the threaded hole 15, one end of the double-headed screw 16 is connected to the output end of the motor 12, and the double-headed screw 16 is threadedly connected to the rack 10;

[0031] A mounting frame 2 is arranged above the base 1, two mounting frames 2 are provided, and the mounting frames 2 are fixedly connected to the base 1, a crossbeam 3 is provided between the two mounting frames 2, and the crossbeam 3 is connected to the mounting frame 2 by screws, a through hole 17 is provided on the movable seat 4, and the through hole 17 is connected with the crossbeam 3, a detection head 20 is provided below the movable seat 4, a pressure sensor connecting seat 18 is provided at the upper end of the detection head 20, and the pressure sensor connecting seat 18 is connected to the detection head 20 as a whole, a third electric telescopic rod 19 is provided between the pressure sensor connecting seat 18 and the movable seat 4, and both ends of the third electric telescopic rod 19 are respectively fixedly connected to the movable seat 4 and the pressure sensor connecting seat 18.

[0032] When in use: place the LCD screen flat between the two racks 10, turn on the motor 12 to drive the double-headed screw 16 to rotate, and with the rotation of the double-headed screw 16, the two racks 10 are synchronously driven to move in the opposite direction, and the two racks 10 are brought into contact with both sides of the LCD screen. The LCD screen is clamped and fixed with the help of the racks 10, and the second electric telescopic rod 8 is driven to drive the mounting seat 7 to move to change the fixed position of the LCD screen, and the third electric telescopic rod 19 is driven to drive the detection head 20 to descend, and the descending detection head 20 contacts the LCD screen and applies pressure to it, and the pressure sensor connecting seat 18 measures the applied pressure, and the hardness test of the LCD screen is realized according to the measured pressure.

[0033] See also Figure 1 and Figure 4 The movable seat 4 is slidably connected to the cross beam 3, a first electric telescopic rod 5 is arranged above the cross beam 3, and the two ends of the first electric telescopic rod 5 are respectively fixedly connected to the mounting frame 2 and the movable seat 4. The movable seat 4 is driven by the first electric telescopic rod 5 to move along the cross beam 3, and the lateral position of the detection head 20 is changed, so that the hardness test can be performed on different positions of the LCD screen.

[0034] See also Figure 1 , Figure 2 and Figure 5 A pressing plate 11 is arranged above the rack 10, a fourth electric telescopic rod 22 is arranged between the pressing plate 11 and the rack 10, and both ends of the fourth electric telescopic rod 22 are fixedly connected to the rack 10 and the pressing plate 11 respectively. The pressing plate 11 is driven to rise and fall by the fourth electric telescopic rod 22, and the LCD screen is vertically clamped by the pressing plate 11 to ensure the stability of the LCD screen detection.

[0035] See also Figure 2 and Figure 5 A rubber pad 23 is provided at the lower end of the pressure plate 11 and the inner side of the L-shaped groove 21, and the rubber pad 23 is connected to the storage rack 10 and the pressure plate 11 as a whole. A pressure sensor 24 is provided on the rubber pad 23, and the pressure sensor 24 is fixedly connected to the rubber pad 23. The clamped LCD screen is protected by the rubber pad 23, and the pressure sensor 24 can measure the clamping force to prevent the LCD screen from being damaged by excessive force.

[0036] See also Figure 6 Slide blocks 25 are provided on both sides of the rack 10 , and the slide blocks 25 are fixedly connected to the rack 10 , and the slide blocks 25 are slidably connected to the mounting seat 7 , so that the slide blocks 25 play a guiding and limiting role for the moving rack 10 .

[0037] See also Figure 2A rolling groove 13 is provided on the inner wall of the mounting groove 6, and balls 14 are provided on both side walls of the mounting seat 7. One end of the ball 14 extends to the inside of the rolling groove 13, and the ball 14 is rollingly connected to the base 1 and the mounting seat 7. The ball 14 can not only play a guiding and limiting role, but also reduce the movement resistance of the mounting seat 7.

[0038] Working principle: Place the LCD screen flat between the two racks 10, turn on the motor 12 to drive the double-headed screw 16 to rotate, and with the rotation of the double-headed screw 16, the two racks 10 are synchronously driven to move in the opposite direction, so that the two racks 10 are in contact with both sides of the LCD screen, and the LCD screen is clamped and fixed with the help of the racks 10, and the fourth electric telescopic rod 22 is driven to drive the pressure plate 11 to descend, and the LCD screen is clamped vertically with the help of the pressure plate 11; the second electric telescopic rod 8 is driven to drive the mounting seat 7 to move, and the fixed position of the LCD screen is changed, and the first electric telescopic rod 5 is driven to drive the moving seat 4 to move along the beam 3, and the lateral position of the detection head 20 is changed, and the detection head 20 is placed directly above the detection part of the LCD screen; the third electric telescopic rod 19 is driven to drive the detection head 20 to descend, and the descending detection head 20 contacts the LCD screen to apply pressure to it, and the pressure sensor connecting seat 18 measures the applied pressure, and the hardness test of the LCD screen is realized according to the measured pressure.

[0039] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hardness detection device for processing a liquid crystal display screen, comprising a base (1) and a movable base (4), characterized in that: Also includes: A mounting groove (6) is arranged at the upper end of the base (1); a mounting seat (7) is arranged inside the mounting groove (6), and the mounting seat (7) is movably connected to the base (1); a second electric telescopic rod (8) is arranged on one side of the mounting seat (7), and the two ends of the second electric telescopic rod (8) are respectively fixedly connected to the base (1) and the mounting seat (7); a slide groove (9) is arranged on the mounting seat (7), and there are two slide grooves (9); a storage rack (10) is arranged inside the two slide grooves (9), and the storage rack (10) is movably connected to the mounting seat (7); and an L-shaped groove (21) is arranged at the upper end of each storage rack (10); A motor (12) is arranged inside the mounting seat (7), and the motor (12) and the mounting seat (7) are connected by screws, a threaded hole (15) is arranged on the storage rack (10), a double-headed screw rod (16) is arranged inside the slide groove (9), and the double-headed screw rod (16) and the threaded hole (15) are connected, one end of the double-headed screw rod (16) is connected to the output end of the motor (12), and the double-headed screw rod (16) is threadedly connected to the storage rack (10); A mounting frame (2) is arranged above the base (1), two mounting frames (2) are provided, and the mounting frames (2) are fixedly connected to the base (1), a crossbeam (3) is provided between the two mounting frames (2), and the crossbeam (3) is connected to the mounting frame (2) by screws, a through hole (17) is provided on the movable seat (4), and the through hole (17) and the crossbeam (3) are arranged to be connected, a detection head (20) is provided below the movable seat (4), a pressure sensor connecting seat (18) is provided at the upper end of the detection head (20), and the pressure sensor connecting seat (18) and the detection head (20) are connected as a whole, a third electric telescopic rod (19) is provided between the pressure sensor connecting seat (18) and the movable seat (4), and two ends of the third electric telescopic rod (19) are respectively fixedly connected to the movable seat (4) and the pressure sensor connecting seat (18).

2. A hardness detection device for processing a liquid crystal display screen according to claim 1, characterized in that: The movable seat (4) is slidably connected to the crossbeam (3); a first electric telescopic rod (5) is arranged above the crossbeam (3); and two ends of the first electric telescopic rod (5) are respectively fixedly connected to the mounting frame (2) and the movable seat (4).

3. The hardness detection device for processing a liquid crystal display screen according to claim 1, characterized in that: A pressing plate (11) is arranged above the storage rack (10), a fourth electric telescopic rod (22) is arranged between the pressing plate (11) and the storage rack (10), and two ends of the fourth electric telescopic rod (22) are respectively fixedly connected to the storage rack (10) and the pressing plate (11).

4. A hardness detection device for processing a liquid crystal display screen according to claim 3, characterized in that: A rubber pad (23) is provided at the lower end of the pressing plate (11) and the inner side of the L-shaped groove (21), and the rubber pad (23) is connected to the storage rack (10) and the pressing plate (11) as a whole, and a pressure sensor (24) is provided on the rubber pad (23), and the pressure sensor (24) is fixedly connected to the rubber pad (23).

5. The hardness testing device for processing a liquid crystal display screen according to claim 1, characterized in that: Slide blocks (25) are provided on both sides of the storage rack (10), and the slide blocks (25) are fixedly connected to the storage rack (10), and the slide blocks (25) are slidably connected to the mounting seat (7).

6. The hardness testing device for processing a liquid crystal display screen according to claim 1, characterized in that: A rolling groove (13) is provided on the inner wall of the mounting groove (6), and a ball (14) is provided on both side walls of the mounting seat (7). One end of the ball (14) extends into the interior of the rolling groove (13), and the ball (14) is rollingly connected to the base (1) and the mounting seat (7).

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