CN114063326B - An LCD and LCM automatic optical detection device - Google Patents

Abstract

The invention relates to the technical field of optical detection, and discloses an LCD and LCM automatic optical detection device, which comprises a base, wherein the top of the base is fixedly connected with a workbench, a supporting mechanism is arranged in the workbench, and a transverse adjusting mechanism and a longitudinal adjusting mechanism are arranged in the workbench; the supporting mechanism comprises a hydraulic pump, an auxiliary supporting rod and a side supporting rod are fixedly connected to the top of the hydraulic pump, a center supporting rod is fixedly connected to the middle of the workbench, supporting springs are movably connected to the auxiliary supporting rod, the side supporting rod and the center supporting rod, and piezoresistors are fixedly connected to the bottoms of the supporting springs. Through the use of horizontal adjustment mechanism and vertical adjustment mechanism cooperation supporting mechanism to reach the in-process that carries out optical detection at the display screen, auto-induction, the effect of intelligent regulation display screen, the fixed position of automatically regulated display screen, automatic adaptation display screen radian, thereby effectively increase the result of use of device.

Description

An LCD and LCM automatic optical detection device

Technical field

The present invention relates to the field of optical detection technology, specifically an automatic optical detection device for LCD and LCM.

Background technique

LCD and LCM are the English abbreviations of liquid crystal display. The structure of LCD is to place a liquid crystal cell between two parallel glass substrates. A TFT is set on the lower substrate glass, and a color filter is set on the upper substrate glass. The signal and voltage of the TFT are changed. To control the turning direction of liquid crystal molecules, thereby controlling whether each pixel point polarizes light to emit or not to achieve display purposes. During the LCD production process, optical inspection of the display screen is usually required.

Then based on the usual display screen, it is usually set as a flat panel. With the development of the times, LCD curved display screens of computers are gradually put into the market. However, the existing LCD and LCM optical detection devices are usually single detection and can only detect flat screens or Curved screens, and different testing equipment is required for curved screens with different curvatures, which increases equipment costs, increases the difficulty of testing, and reduces the use effect. Moreover, during the testing process, the display screen usually needs to be positioned, and the existing installation is fixed. It usually needs to be done manually, which leads to errors in the installation and positioning of the display screen, resulting in large optical detection errors of the display screen, and deviations in positioning, which can easily lead to breakage of the curved display screen during the pressing process of the pressure ring.

Contents of the invention

In view of the deficiencies in the prior art, the present invention provides an automatic optical inspection device for LCD and LCM, which has the advantages of automatically adapting to optical inspection of different flat display screens, achieving the effect of automatic fixed positioning for planes with different curvatures, and automatically positioning to ensure the accuracy of positioning, thereby ensuring the accuracy of optical inspection and avoiding display screen breakage.

In order to achieve the above object, the present invention provides the following technical solution: an LCD and LCM automatic optical detection device, including a base, a workbench, a support mechanism, a hydraulic pump, an auxiliary support rod, a side support rod, a center support rod, a support spring, a pressure Sensitive resistor, adjustment motor, adjustment wheel, auxiliary support block, display screen, horizontal adjustment mechanism, left induction electromagnet, right induction electromagnet, horizontal adjustment movable rod, first balance spring, rice-shaped rod, horizontal adjustment contact block, longitudinal adjustment Main contact block, longitudinal adjustment mechanism, lateral induction electromagnet, center induction electromagnet, longitudinal adjustment movable rod, second balance spring, longitudinal adjustment contact block, top cover, lifting rod, slide rail, light measuring mechanism, constant pressure ring .

The positions and connection relationships of the above structures are as follows:

A workbench is fixedly connected to the top of the base, a support mechanism is provided inside the workbench, and a transverse adjustment mechanism and a longitudinal adjustment mechanism are provided inside the workbench.

The support mechanism includes a hydraulic pump. The top of the hydraulic pump is fixedly connected with an auxiliary support rod and a side support rod. The middle part of the workbench is fixedly connected with a central support rod. The internal movable connections of the auxiliary support rod, the side support rod and the central support rod are The support spring has a varistor fixedly connected to the bottom of the support spring. The top of the support spring inside the side support rod and the center support rod is fixedly connected to an adjustment motor. The top of the adjustment motor is movably connected to an adjustment wheel. The top of the support spring is supported inside the auxiliary support rod. Fixed connection with auxiliary support block.

Preferably, there are two groups of auxiliary support rods and side support rods, which are symmetrically arranged on both sides of the central support rod. The auxiliary support rods are movably connected between the side support rods and the central support rod. The central support rod is The top horizontal height is higher than the top height of the auxiliary support rod, and the top horizontal height of the side support rod is higher than the horizontal height of the center support rod.

Preferably, the lateral adjustment mechanism includes a left induction electromagnet and a right induction electromagnet. A lateral adjustment movable rod is movably connected between the left induction electromagnet and the right induction electromagnet. The left and right sides of the lateral adjustment movable rod are provided with first Balance spring, the two ends of the transverse adjustment movable rod are fixedly connected with the rice-shaped rod, and the outer part of the rice-shaped rod is movable connected with the transverse adjustment contact block and the longitudinal total contact block.

Preferably, the left induction electromagnet and the right induction electromagnet are electrically connected to the varistor on the left and right sides of the side support rod respectively, the transverse adjustment contact block is electrically connected to the adjustment motor, and the longitudinal general contact block is set as a circuit of the longitudinal adjustment mechanism. Connectivity switch.

Preferably, the first balance spring is located on both sides of the transverse adjustment movable rod, and the elastic coefficients of the first balance springs on both sides are the same.

Preferably, the longitudinal adjustment mechanism includes a lateral induction electromagnet and a center induction electromagnet. A longitudinal adjustment movable rod is movably connected between the lateral induction electromagnet and the center induction electromagnet. Both sides of the longitudinal adjustment movable rod are fixedly connected. There is a second balance spring, and the longitudinal adjustment contact block is movably connected to the outside of the longitudinal adjustment movable rod.

Preferably, the lateral induction electromagnet is electrically connected to the auxiliary support rod and the internal varistor of the side support rod, the center induction electromagnet is electrically connected to the internal varistor of the central support rod, and the longitudinal adjustment contact block is electrically connected to the hydraulic pump.

Preferably, the top of the support mechanism is movably connected with a display screen, the top of the base is fixedly connected with a top cover, the bottom of the top cover is movably connected with a lifting rod, the lifting rod is provided with a slide rail on the outside, and a light rail is provided on the outside of the slide rail. Measuring mechanism, the bottom of the lifting rod is fixedly connected with a pressing ring.

Preferably, the pressing ring is movably connected directly above the display screen.

Beneficial effects:

1. The LCD and LCM automatic optical inspection device, through the use of the lateral adjustment mechanism and the longitudinal adjustment mechanism in conjunction with the supporting mechanism, can achieve the effect of automatic sensing and intelligent adjustment of the display screen during the optical inspection of the display screen, automatically adjust the fixed position of the display screen, and automatically adapt to the curvature of the display screen, thereby effectively increasing the use effect of the device.

2. The LCD and LCM automatic optical detection device drives the rice-shaped pole to deflect by adjusting the movable rod laterally, so that the rice-shaped pole is separated from the longitudinal main contact block, and the rice-shaped pole contacts the horizontal adjustment contact block on one side, so that The adjusting motor drives the display screen to slide to the side with the lighter gravity of the varistor. At the same time, when the varistor on both sides senses the same gravity, the P-shaped rod is in the middle position of the left induction electromagnet and the right induction electromagnet, thereby achieving automatic adjustment of the display screen. The effect of position ensures the accuracy of position. This avoids errors in the installation and positioning of the display screen, thereby reducing optical detection errors of the display screen, and at the same time avoiding breakage of the curved display screen during the pressing process of the pressure ring.

3. The LCD and LCM automatic optical detection device makes the piezoresistance inside the side support rod and the auxiliary support rod smaller than the pressure part of the central support rod by adjusting the movable rod longitudinally and contacting the longitudinal adjustment contact block. The hydraulic pump drives the corresponding auxiliary support rod and the side support rod to move upward. Thus, the pressure of the piezoresistance inside each support rod is balanced. At this time, the auxiliary support rod, the side support rod and the central support rod adapt to the curvature of the display screen. The effect of automatically adapting to the curvature of the curved surface is achieved. The applicable scope of the device is effectively guaranteed and the use effect of the device is increased.

Description of drawings

FIG1 is a schematic diagram of the overall connection of the structure of the present invention;

Figure 2 is a schematic diagram of the structural support mechanism of the present invention;

Figure 3 is a schematic connection diagram of part A of the structure of Figure 2 of the present invention;

Figure 4 is a schematic diagram of the lateral adjustment mechanism of the structure of the present invention;

Figure 5 is a schematic diagram of the connection between the P-shaped poles of the structure of the present invention;

Figure 6 is a schematic diagram of the connection of the longitudinal adjustment mechanism of the structure of the present invention;

Figure 7 is a schematic connection diagram of the structural adjustment circuit of the present invention.

In the picture: 1. Base; 2. Workbench; 3. Support mechanism; 31. Hydraulic pump; 32. Auxiliary support rod; 33. Side support rod; 34. Center support rod; 35. Support spring; 36. Varistor ; 37. Adjusting motor; 38. Adjusting wheel; 39. Auxiliary support block; 4. Display screen; 5. Horizontal adjustment mechanism; 51. Left induction electromagnet; 52. Right induction electromagnet; 53. Lateral adjustment movable rod; 54 , the first balance spring; 55, rice-shaped rod; 56, transverse adjustment contact block; 57, longitudinal total contact block; 6, longitudinal adjustment mechanism; 61, lateral induction electromagnet; 62, center induction electromagnet; 63, longitudinal Adjust the movable rod; 64. Second balance spring; 65. Longitudinal adjustment contact block; 7. Top cover; 8. Lifting rod; 9. Slide rail; 10. Light measuring mechanism; 11. Pressure ring.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

Embodiment 1

Please refer to Figures 1-5 and 7. An LCD and LCM automatic optical detection device includes a base 1. A workbench 2 is fixedly connected to the top of the base 1. A support mechanism 3 is provided inside the workbench 2. The workbench 2 A transverse adjustment mechanism 5 is provided inside.

The support mechanism 3 includes a hydraulic pump 31. The top of the hydraulic pump 31 is fixedly connected with an auxiliary support rod 32 and a side support rod 33. The middle part of the workbench 2 is fixedly connected with a center support rod 34. The auxiliary support rod 32, the side support rod 33 and the center A support spring 35 is movably connected inside the support rod 34, and a varistor 36 is fixedly connected to the bottom of the support spring 35. An adjustment motor 37 is fixedly connected to the top of the internal support spring 35 of the side support rod 33 and the center support rod 34, and the adjustment motor 37 The top of the auxiliary support rod 32 is movably connected with an adjusting wheel 38, and the top of the internal support spring 35 of the auxiliary support rod 32 is fixedly connected with an auxiliary support block 39.

Among them, there are two sets of auxiliary support rods 32 and side support rods 33, which are symmetrically arranged on both sides of the central support rod 34. The auxiliary support rods 32 are movably connected between the side support rods 33 and the central support rod 34. The horizontal height of the top of the support rod 34 is higher than that of the auxiliary support rod 32 , and the horizontal height of the top of the side support rod 33 is higher than the horizontal height of the central support rod 34 .

Among them, the lateral adjustment mechanism 5 includes a left induction electromagnet 51 and a right induction electromagnet 52. A lateral adjustment movable rod 53 is movably connected between the left induction electromagnet 51 and the right induction electromagnet 52. The left and right sides of the lateral adjustment movable rod 53 A first balance spring 54 is provided. The two ends of the transverse adjustment movable rod 53 are fixedly connected with a rice-shaped rod 55. The outside of the rice-shaped rod 55 is movable connected with a transverse adjustment contact block 56 and a longitudinal total contact block 57.

Among them, the left induction electromagnet 51 and the right induction electromagnet 52 are electrically connected to the varistor 36 on the left and right sides of the side support rod 33 respectively, the transverse adjustment contact block 56 is electrically connected to the adjustment motor 37, and the longitudinal total contact block 57 is set to be longitudinal The circuit of the regulating mechanism 6 is connected to the switch.

Among them, the first balance spring 54 is located on both sides of the transverse adjustment movable rod 53, and the elastic coefficients of the first balance springs 54 on both sides are the same.

Among them, a display screen 4 is movably connected to the top of the support mechanism 3 .

During the working process, when the display screen 4 is placed on the top of the support mechanism 3, the central support rod 34 is in contact with the central area of the display screen 4. When the centers of the display screens 4 on both sides are unbalanced, the side support rods 33 are heavier on one side and lighter on the other. , so that the adjustment wheel 38 on the top of the support rod 33 on both sides exerts different pressure on the varistor 36 through the adjustment motor 37 and the support spring 35, and the energization amount of the left induction electromagnet 51 and the right induction electromagnet 52 changes, thereby The left induction electromagnet 51 and the right induction electromagnet 52 are caused to produce different magnetic properties, so that the electromagnetic force generated by the electromagnets on both sides on the transverse adjustment movable rod 53 is changed.

Then the transverse adjustment movable rod 53 is deflected to the side with strong electromagnetic force, and the transverse adjustment movable rod 53 drives the rice-shaped pole 55 to deflect, so that the rice-shaped pole 55 is separated from the longitudinal general contact block 57, and the rice-shaped pole 55 is When it comes into contact with the horizontal adjustment contact block 56 on one side, the adjustment motor 37 is energized, and the energization direction of the adjustment motor 37 is controlled by the horizontal adjustment contact block 56, so that the adjustment motor 37 drives the display screen 4 to slide toward the lighter side of the varistor 36. At the same time, when the gravity induced by the piezoresistors 36 on both sides is the same, the rice-shaped rod 55 is in the middle position of the left induction electromagnet 51 and the right induction electromagnet 52, and the rice-shaped rod 55 contacts the longitudinal general contact block 57.

Thus, the position of the display screen 4 is automatically adjusted to ensure the accuracy of the position, avoid errors in the installation and positioning of the display screen 4, reduce the optical detection error of the display screen 4, and avoid the fracture of the curved display screen 4 during the pressing process of the pressing ring.

Embodiment 2

Please refer to Figures 1-3 and 6-7. An automatic optical detection device for LCD and LCM includes a base 1. A workbench 2 is fixedly connected to the top of the base 1. A support mechanism 3 is provided inside the workbench 2. The workbench A longitudinal adjustment mechanism 6 is provided inside 2.

The support mechanism 3 includes a hydraulic pump 31. The top of the hydraulic pump 31 is fixedly connected with an auxiliary support rod 32 and a side support rod 33. The middle part of the workbench 2 is fixedly connected with a center support rod 34. The auxiliary support rod 32, the side support rod 33 and the center A support spring 35 is movably connected inside the support rod 34, and a varistor 36 is fixedly connected to the bottom of the support spring 35. An adjustment motor 37 is fixedly connected to the top of the internal support spring 35 of the side support rod 33 and the center support rod 34. The adjustment motor 37 The top of the auxiliary support rod 32 is movably connected with an adjusting wheel 38, and the top of the internal support spring 35 of the auxiliary support rod 32 is fixedly connected with an auxiliary support block 39.

Among them, there are two sets of auxiliary support rods 32 and side support rods 33, which are symmetrically arranged on both sides of the central support rod 34. The auxiliary support rods 32 are movably connected between the side support rods 33 and the central support rod 34. The horizontal height of the top of the support rod 34 is higher than that of the auxiliary support rod 32 , and the horizontal height of the top of the side support rod 33 is higher than the horizontal height of the central support rod 34 .

Among them, the longitudinal adjustment mechanism 6 includes a lateral induction electromagnet 61 and a central induction electromagnet 62, and a longitudinal adjustment movable rod 63 is movably connected between the lateral induction electromagnet 61 and the central induction electromagnet 62. The two sides of the longitudinal adjustment movable rod 63 are fixedly connected with a second balance spring 64, and the outside of the longitudinal adjustment movable rod 63 is movably connected with a longitudinal adjustment contact block 65.

Among them, the lateral induction electromagnet 61 is electrically connected to the auxiliary support rod 32 and the internal varistor 36 of the side support rod 33, the center induction electromagnet 62 is electrically connected to the internal varistor 36 of the center support rod 34, and the longitudinal adjustment contact block 65 and The hydraulic pump 31 is electrically connected.

Among them, a display screen 4 is movably connected to the top of the support mechanism 3 .

During operation, when the display screen 4 is placed on the top of the support mechanism 3, the central support rod 34 and the display screen 4 are in contact first, and because of the curved screen, the central support rod 34 is subjected to the greatest pressure, and the pressure on the piezoresistors 36 of the auxiliary support rods 32 and the side support rods 33 on both sides is less than the pressure on the piezoresistors 36 of the central support rod 34. As shown in FIG6 , when the pressure on the piezoresistors 36 of the central support rod 34 is greater than the pressure on the piezoresistors 36 of the side support rods 33 and the auxiliary support rods 32, the electromagnetic forces of the lateral induction electromagnet 61 and the central induction electromagnet 62 deviate, so that the longitudinal adjustment movable rod 63 and the longitudinal adjustment contact block 65 are in contact, so that the internal piezoresistors 36 of the side support rods 33 and the auxiliary support rods 32 are smaller than the pressure part of the central support rod 34, and the hydraulic pump 31 drives the corresponding auxiliary support rods 32 and the side support rods 33 to move upward.

Thus, the pressure of the varistor 36 inside each support rod is balanced. At this time, the auxiliary support rod 32 , the side support rod 33 and the center support rod 34 adapt to the curvature of the display screen 4 . Achieve the effect of automatically adapting to the curvature of the surface. Effectively ensure the applicable scope of the device and increase the use effect of the device.

Embodiment 3

Please refer to Figure 1-7. An automatic optical detection device for LCD and LCM includes a base 1. A workbench 2 is fixedly connected to the top of the base 1. A support mechanism 3 is provided inside the workbench 2. A support mechanism 3 is provided inside the workbench 2. Horizontal adjustment mechanism 5 and longitudinal adjustment mechanism 6;

The support mechanism 3 includes a hydraulic pump 31. The top of the hydraulic pump 31 is fixedly connected with an auxiliary support rod 32 and a side support rod 33. The middle part of the workbench 2 is fixedly connected with a center support rod 34. The auxiliary support rod 32, the side support rod 33 and the center A support spring 35 is movably connected inside the support rod 34, and a varistor 36 is fixedly connected to the bottom of the support spring 35. An adjustment motor 37 is fixedly connected to the top of the internal support spring 35 of the side support rod 33 and the center support rod 34. The adjustment motor 37 The top of the auxiliary support rod 32 is movably connected with an adjusting wheel 38, and the top of the internal support spring 35 of the auxiliary support rod 32 is fixedly connected with an auxiliary support block 39.

Among them, there are two sets of auxiliary support rods 32 and side support rods 33, which are symmetrically arranged on both sides of the central support rod 34. The auxiliary support rods 32 are movably connected between the side support rods 33 and the central support rod 34. The horizontal height of the top of the support rod 34 is higher than that of the auxiliary support rod 32 , and the horizontal height of the top of the side support rod 33 is higher than the horizontal height of the central support rod 34 .

Among them, the lateral adjustment mechanism 5 includes a left induction electromagnet 51 and a right induction electromagnet 52. A lateral adjustment movable rod 53 is movably connected between the left induction electromagnet 51 and the right induction electromagnet 52. The left and right sides of the lateral adjustment movable rod 53 A first balance spring 54 is provided. The two ends of the transverse adjustment movable rod 53 are fixedly connected with a rice-shaped rod 55. The outside of the rice-shaped rod 55 is movable connected with a transverse adjustment contact block 56 and a longitudinal total contact block 57.

Among them, the left induction electromagnet 51 and the right induction electromagnet 52 are electrically connected to the varistor 36 on the left and right sides of the side support rod 33 respectively, the transverse adjustment contact block 56 is electrically connected to the adjustment motor 37, and the longitudinal total contact block 57 is set to be longitudinal The circuit of the regulating mechanism 6 is connected to the switch.

The first balance springs 54 are located on both sides of the transverse adjustment movable rod 53 , and the elastic coefficients of the first balance springs 54 on both sides are the same.

Among them, the longitudinal adjustment mechanism 6 includes a lateral induction electromagnet 61 and a center induction electromagnet 62. A longitudinal adjustment movable rod 63 is movably connected between the lateral induction electromagnet 61 and the center induction electromagnet 62. Both sides of the longitudinal adjustment movable rod 63 A second balance spring 64 is fixedly connected to both sides, and a longitudinal adjustment contact block 65 is movably connected to the outside of the longitudinal adjustment movable rod 63 .

Among them, the lateral induction electromagnet 61 is electrically connected to the auxiliary support rod 32 and the internal varistor 36 of the side support rod 33, the center induction electromagnet 62 is electrically connected to the internal varistor 36 of the center support rod 34, and the longitudinal adjustment contact block 65 and The hydraulic pump 31 is electrically connected.

Among them, a display screen 4 is movably connected to the top of the support mechanism 3, a top cover 7 is fixedly connected to the top of the base 1, a lifting rod 8 is movably connected to the bottom of the top cover 7, and a slide rail 9 is provided outside the lifting rod 8. A light measuring mechanism 10 is provided on the outside of the lifting rod 8, and a pressing ring 11 is fixedly connected to the bottom of the lifting rod 8.

Among them, the pressing ring 11 is movably connected directly above the display screen 4 .

During operation, when the display screen 4 is placed on the top of the support mechanism 3 and is adjusted laterally, the central support rod 34 contacts the central area of the display screen 4. When the centers of the display screens 4 on both sides are unbalanced, one side of the side support rod 33 is heavy and the other side is light, so that the adjustment wheels 38 on the top of the side support rods 33 on both sides exert different pressures on the varistor 36 through the adjustment motor 37 and the support spring 35, and the amount of power supplied to the left induction electromagnet 51 and the right induction electromagnet 52 changes, so that the left induction electromagnet 51 and the right induction electromagnet 52 produce different magnetism, so that the electromagnetic force generated by the electromagnets on both sides on the laterally adjusting movable rod 53 changes.

Then the transverse adjustment movable rod 53 is deflected to the side with strong electromagnetic force, and the transverse adjustment movable rod 53 drives the rice-shaped pole 55 to deflect, so that the rice-shaped pole 55 is separated from the longitudinal general contact block 57, and the rice-shaped pole 55 is When it comes into contact with the horizontal adjustment contact block 56 on one side, the adjustment motor 37 is energized, and the energization direction of the adjustment motor 37 is controlled by the horizontal adjustment contact block 56, so that the adjustment motor 37 drives the display screen 4 to slide toward the lighter side of the varistor 36. At the same time, when the gravity induced by the piezoresistors 36 on both sides is the same, the rice-shaped rod 55 is in the middle position of the left induction electromagnet 51 and the right induction electromagnet 52, and the rice-shaped rod 55 contacts the longitudinal general contact block 57.

This achieves the effect of automatically adjusting the 4 positions of the display screen to ensure position accuracy. This avoids errors in the installation and positioning of the display screen 4, thereby reducing optical detection errors of the display screen 4, and at the same time avoiding breakage of the curved display screen 4 during the pressing process of the pressure ring.

When performing longitudinal adjustment, because the cross-shaped rod 55 contacts the longitudinal total contact block 57 at this time, when the lateral adjustment mechanism 5 is completed, the circuit of the longitudinal adjustment mechanism 6 is connected, which is convenient for longitudinal adjustment. Because the central support rod 34 and the display screen 4 are in contact first, and because of the curved screen, the pressure on the central support rod 34 is the largest, and the pressure on the piezoresistors 36 of the auxiliary support rods 32 and the side support rods 33 on both sides is less than the pressure on the piezoresistors 36 of the central support rod 34. As shown in Figure 6, when the pressure on the piezoresistors 36 of the central support rod 34 is greater than the pressure on the piezoresistors 36 of the side support rods 33 and the auxiliary support rods 32, the electromagnetic forces of the lateral induction electromagnets 61 and the central induction electromagnets 62 deviate, so that the longitudinal adjustment movable rod 63 contacts the longitudinal adjustment contact block 65, so that the internal piezoresistors 36 of the side support rods 33 and the auxiliary support rods 32 are smaller than the pressure part of the central support rod 34, and the hydraulic pump 31 drives the corresponding auxiliary support rods 32 and the side support rods 33 to move upward.

Thus, the pressure of the varistor 36 inside each support rod is balanced. At this time, the auxiliary support rod 32 , the side support rod 33 and the center support rod 34 adapt to the curvature of the display screen 4 . Achieve the effect of automatically adapting to the curvature of the surface. Effectively ensure the applicable scope of the device and increase the use effect of the device.

During inspection, the lifting rod 8 is used to control the pressing ring 11 to move downward, so that the pressing ring 11 can adapt to the pressing of the display screen 4, which facilitates the fixation of the display screen 4, and at the same time facilitates the control of the light measuring mechanism 10 through the slide rail 9 for optical measurement. detection.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art will understand that various changes, modifications, and substitutions can be made to these embodiments without departing from the principles and spirit of the invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (3)

1. An automatic optical detection device for LCD and LCM, comprising a base (1), characterized in that: the top of the base (1) is fixedly connected with a workbench (2), a supporting mechanism (3) is arranged in the workbench (2), and a transverse adjusting mechanism (5) and a longitudinal adjusting mechanism (6) are arranged in the workbench (2);

the supporting mechanism (3) comprises a hydraulic pump (31), an auxiliary supporting rod (32) and a side supporting rod (33) are fixedly connected to the top of the hydraulic pump (31), a central supporting rod (34) is fixedly connected to the middle of the workbench (2), supporting springs (35) are movably connected to the inside of the auxiliary supporting rod (32), the side supporting rod (33) and the central supporting rod (34), piezoresistors (36) are fixedly connected to the bottom of the supporting springs (35), an adjusting motor (37) is fixedly connected to the top of the supporting springs (35) inside the side supporting rod (33) and the central supporting rod (34), an adjusting wheel (38) is movably connected to the top of the adjusting motor (37), and an auxiliary supporting block (39) is fixedly connected to the top of the supporting springs (35) inside the auxiliary supporting rod (32);

the auxiliary support rods (32) and the side support rods (33) are respectively provided with two groups and are symmetrically arranged on two sides of the center support rod (34), the auxiliary support rods (32) are movably connected between the side support rods (33) and the center support rod (34), the top horizontal height of the center support rod (34) is higher than that of the auxiliary support rods (32), and the top horizontal height of the side support rods (33) is higher than that of the center support rod (34);

the transverse adjusting mechanism (5) comprises a left induction electromagnet (51) and a right induction electromagnet (52), a transverse adjusting movable rod (53) is movably connected between the left induction electromagnet (51) and the right induction electromagnet (52), first balance springs (54) are arranged on the left side and the right side of the transverse adjusting movable rod (53), rice-shaped rods (55) are fixedly connected to the two ends of the transverse adjusting movable rod (53), and transverse adjusting contact blocks (56) and longitudinal total contact blocks (57) are movably connected to the outer parts of the rice-shaped rods (55);

the left induction electromagnet (51) and the right induction electromagnet (52) are respectively and electrically connected with piezoresistors (36) on the left side and the right side of the side supporting rod (33), the transverse adjusting contact block (56) is electrically connected with the adjusting motor (37), and the longitudinal total contact block (57) is set as a circuit communication switch of the longitudinal adjusting mechanism (6);

the first balance springs (54) are positioned at two sides of the transverse adjusting movable rod (53), and the elastic coefficients of the first balance springs (54) at the two sides are the same;

the longitudinal adjusting mechanism (6) comprises a lateral induction electromagnet (61) and a central induction electromagnet (62), a longitudinal adjusting movable rod (63) is movably connected between the lateral induction electromagnet (61) and the central induction electromagnet (62), second balance springs (64) are fixedly connected to two sides of the longitudinal adjusting movable rod (63), and a longitudinal adjusting contact block (65) is movably connected to the outside of the longitudinal adjusting movable rod (63);

the lateral induction electromagnet (61) is electrically connected with the auxiliary supporting rod (32) and the piezoresistor (36) in the side supporting rod (33), the central induction electromagnet (62) is electrically connected with the piezoresistor (36) in the central supporting rod (34), and the longitudinal adjustment contact block (65) is electrically connected with the hydraulic pump (31).

2. The LCD and LCM automatic optical inspection device according to claim 1, wherein: the top swing joint of supporting mechanism (3) has display screen (4), and the top fixedly connected with top cap (7) of base (1), the bottom swing joint of top cap (7) has lifter (8), and the outside of lifter (8) is provided with slide rail (9), and the outside of slide rail (9) is provided with light survey mechanism (10), and the bottom fixedly connected with roof clamping ring (11) of lifter (8).

3. The LCD and LCM automatic optical inspection device according to claim 2, wherein: the jacking ring (11) is movably connected right above the display screen (4).