CN209879198U

CN209879198U - Liquid crystal picture inspection machine

Info

Publication number: CN209879198U
Application number: CN201921039463.3U
Authority: CN
Inventors: 白湖正; 孙承民
Original assignee: Yonghai Electronic Technology (nanjing) Co Ltd
Current assignee: Yonghai Electronic Technology (nanjing) Co Ltd
Priority date: 2019-07-05
Filing date: 2019-07-05
Publication date: 2019-12-31
Anticipated expiration: 2029-07-05

Abstract

The utility model provides a liquid crystal picture inspection machine relates to liquid crystal display test technical field, the on-line screen storage device comprises a base, be provided with the test rack device on the top surface of base and rotate adjusting device, the test rack device is including adjusting the pole, and the one end of adjusting the pole rotates through the pivot and sets up on the top surface of base, the other end of adjusting the pole is provided with liquid crystal display fixed box, the liquid crystal display fixed box is provided with the liquid crystal display mount, it includes semi-circular regulating plate to rotate adjusting device, semi-circular regulating plate vertical fixation sets up on the base, and the perpendicular to pivot, semi-circular regulating plate's the centre of a circle is located the axis of pivot, a plurality of locating holes of circumference equipartition are followed on the semi. The utility model has the advantages of the convenient angle of adjustment to liquid crystal display before the inspection, and can avoid external light's interference.

Description

Liquid crystal picture inspection machine

Technical Field

The utility model relates to a liquid crystal display test technical field, concretely relates to liquid crystal picture inspection machine.

Background

In recent years, in the field of display technology, with the rapid development of flat panel display technology, liquid crystal display panels have been widely used in various information, communication, and consumer electronics products because of their advantages such as small size, light weight, high image quality, and low driving voltage. In the inspection of the liquid crystal display panel, it is necessary to perform the inspection not only in the front view but also in a predetermined angle in order to detect related defective items such as bright spots and bright edges in the side view.

The quality of the liquid crystal display screen needs to be detected before installation, the shutdown is strictly controlled, unqualified products are removed, and the liquid crystal display screen is ensured to be qualified. The conventionality is in the inspection process, and liquid crystal display arranges ordinary mesa in usually, detects liquid crystal display's each item by artifical subentry, and the inspection time is long, and because of the improper detection that causes of angle in the inspection process not in place directly influenced the production of product. In the inspection mode, the arrangement position and the observation position of the angle gauge are determined by inspectors, the individual difference is large, and the judgment standard is inconsistent; in addition, in this way, the inspection of each liquid crystal display screen needs to be readjusted and aligned, so that the personnel can be tired in the batch production inspection, and the working efficiency is affected.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a liquid crystal picture inspection machine that has the convenience before the inspection to liquid crystal display angle of adjustment, and can avoid external light's interference.

In order to solve the technical problem, the utility model provides a liquid crystal picture inspection machine, which comprises a base, a detection frame device and a rotation adjusting device are arranged on the top surface of the base, the detection frame device comprises an adjusting rod, one end of the adjusting rod is rotatably arranged on the top surface of the base through a rotating shaft, the other end of the adjusting rod is provided with a liquid crystal display fixing box, a liquid crystal display fixing frame is arranged in the liquid crystal display fixing box, the rotation adjusting device comprises a semicircular adjusting plate which is vertically and fixedly arranged on the base and is vertical to the rotating shaft, the circle center of the semicircular adjusting plate is positioned on the axis of the rotating shaft, a plurality of positioning holes are circumferentially and uniformly distributed on the semicircular adjusting plate, an external thread positioning rod is movably arranged in each positioning hole, a corresponding threaded hole is arranged on the adjusting rod, and a nut is arranged at the other end of the external thread positioning rod.

Preferably, the liquid crystal display fixing box comprises an outer box body, the bottom surface of the outer box body is fixedly arranged at the other end of the adjusting rod, one side surface of the outer box body is in an open shape, a fixing bottom plate is arranged on the bottom surface in the outer box body, a T-shaped groove is formed in the top surface of the fixing bottom plate, a T-shaped sliding block is movably arranged in the T-shaped groove, a motor is arranged in the T-shaped sliding block, a liquid crystal display fixing frame is fixedly connected with an output shaft of the motor, a double-piston-rod cylinder is further arranged in the T-shaped groove, a piston rod of the double-piston-rod cylinder is fixedly arranged on the side wall of the T-shaped sliding block, and the T-shaped sliding block can be pushed; still can drive circular carousel through the motor and rotate to adjustable rectangle framework is at the pivoted angle in the horizontal plane direction, thereby can avoid external light's interference to placing the liquid crystal display angle of adjustment in the rectangle framework as required, more is favorable to examining out similar defects such as looking sideways at bright spot bright edge.

Preferably, the liquid crystal display screen fixing frame comprises a rectangular frame body, one side wall of the rectangular frame body is in an open shape, a round turntable is fixedly arranged on the bottom surface of the rectangular frame body, the round turntable is fixedly arranged on an output shaft of a motor, a rectangular placing groove is arranged at the top of the open side wall of the rectangular frame body, a fixing rod is arranged on the opening of the rectangular placing groove, one end of the fixing rod is hinged at one open end of the rectangular placing groove, the other end of the fixing rod is connected with the other open end of the rectangular placing groove through a fixing screw rod, a plurality of side rod fixing threaded holes are further arranged at the top of the open side wall of the rectangular frame body, the side rod fixing threaded holes are equidistantly distributed along the length direction of the rectangular placing groove, side rods are further movably arranged in the side rod fixing threaded holes, each side rod is in an L-shaped rod structure, loosen clamping screw earlier, put into the rectangle frame with liquid crystal display for liquid crystal display's bottom is located rectangle support backing plate, moves the side lever to corresponding position according to liquid crystal display's length, passes side lever fixing thread hole with the external screw thread pole and fixes, screws up lock nut, passes through clamping screw again the other end of dead lever and fixes on the opening other end of rectangle standing groove, can fix liquid crystal display in the rectangle frame.

Preferably, the bottom of rectangle framework opening lateral wall still is provided with rectangle supporting pad board and baffle, and rectangle supporting pad board and baffle are parallel to each other, and the position of groove is placed to rectangle supporting pad board position and rectangle is corresponding from top to bottom, and the position of baffle and the position of dead lever are corresponding from top to bottom, and the other end of side lever is the U-shaped opening form, and rectangle supporting pad board is located the U-shaped opening of the other end of side lever, and rectangle supporting pad board is favorable to supporting the liquid crystal display's of placing in the rectangle framework bottom, and the baffle can prevent liquid crystal display's bottom from following the internal roll-off of rectangle framework.

Preferably, one end of the adjusting rod is fixedly arranged on the outer wall of the rotating shaft, rotating shaft sleeves are movably sleeved outside the rotating shafts at the two ends of the adjusting rod, the rotating shaft sleeves are fixedly arranged on the top surface of the base, one end of the rotating shaft movably penetrates through the linear edge of the semicircular plate of the semicircular adjusting plate, a compression nut is further arranged outside one end of the rotating shaft, the semicircular adjusting plate is located between the rotating shaft sleeves and the compression nut, and the compression nut can enable one end of the rotating shaft to be connected and fastened with the semicircular adjusting plate and can play a role in fixing when the position of the adjusting rod does not need to be adjusted; when the position of the adjusting rod needs to be adjusted, the rotating shaft can rotate in the rotating shaft sleeve, and then the pressing nut is screwed down to fix the position of the rotating adjusting rod.

Preferably, still be provided with the U-shaped recess on the inner wall of outer box top surface, the U-shaped opening of U-shaped recess flushes with the side opening of outer box, still the activity is provided with the sunshade in the U-shaped recess, and the sunshade is on a parallel with the bottom surface of rectangular frame, can be according to the needs of light, after taking out the sunshade from the U-shaped recess, the light inlet volume in the multiplicable outer box.

The utility model has the advantages that:

(1) the utility model discloses a place liquid crystal display in the rectangle frame, realize the detection regulation to the distance through double piston rod cylinder, drive the circular carousel through the motor and rotate and thereby drive the rectangle frame and rotate and realize the angle modulation to liquid crystal display, can effectively avoid the interference of external light, more be favorable to seeing out similar defects such as looking sideways at bright point bright edge from different angles;

(2) the angle adjustment of the inclination of the outer box body can be realized by rotating the adjusting rod by taking the rotating shaft as a central shaft, so that the defects of similar side-looking bright spots, bright edges and the like can be detected from different angles;

(3) the effect of adjusting the light entering amount in the outer box body can be achieved by installing or taking out the shielding plate in the U-shaped groove.

Drawings

The accompanying drawings are included to provide a preferred understanding of the present invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of a liquid crystal display inspection machine according to the present invention;

FIG. 2 is a schematic view of the structure of a LCD fixing box of the LCD inspection machine of the present invention;

FIG. 3 is a schematic structural view of the liquid crystal display inspection machine of the present invention without a shielding plate;

FIG. 4 is a schematic view of the structure of the LCD fixing frame of the LCD inspection machine of the present invention;

FIG. 5 is a schematic view of the position of the threaded hole of the liquid crystal display inspection machine of the present invention;

the reference signs are: 1. a base; 2. a test stand device; 21. adjusting a rod; 22. a rotating shaft; 23. a threaded hole; 3. a liquid crystal display screen fixing box; 31. an outer case; 32. fixing the bottom plate; 33. a T-shaped slot; 34. a T-shaped slider; 35. a motor; 36. a double piston rod cylinder; 4. a liquid crystal display screen fixing frame; 41. a rectangular frame body; 411. a circular turntable; 42. a rectangular placing groove; 43. fixing the rod; 44. fixing the screw rod; 45. side lever fixing threaded holes; 46. a side lever; 47. a rectangular support backing plate; 48. a baffle plate; 49. an externally threaded rod; 491. locking the nut; 5. a rotation adjustment device; 51. a semicircular adjusting plate; 52. positioning holes; 53. an external thread positioning rod; 54. a nut; 6. a rotating shaft sleeve; 61. a compression nut; 7. a U-shaped groove; 71. a shutter.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1-5, a liquid crystal display inspection machine of this embodiment comprises a base 1, a detecting frame device 2 and a rotation adjusting device 5 are disposed on the top surface of the base 1, the detecting frame device 2 comprises an adjusting rod 21, one end of the adjusting rod 21 is rotatably disposed on the top surface of the base 1 through a rotating shaft 22, the other end of the adjusting rod 21 is disposed with a liquid crystal display fixing box 3, a liquid crystal display fixing frame 4 is disposed in the liquid crystal display fixing box 3, the rotation adjusting device 5 comprises a semicircular adjusting plate 51, the semicircular adjusting plate 51 is vertically fixed on the base 1 and perpendicular to the rotating shaft 22, the center of the semicircular adjusting plate 51 is located on the axis of the rotating shaft 22, a plurality of positioning holes 52 are circumferentially and uniformly distributed on the semicircular adjusting plate 51, an external thread positioning rod 53 is movably disposed in the positioning hole 52, one end of the external thread positioning rod 53 passes through the positioning hole 52 and the threaded hole 23 in sequence to be in threaded connection with the adjusting rod 21, and the other end of the external thread positioning rod 53 is provided with a nut 54.

The liquid crystal display fixing box 3 comprises an outer box body 31, the bottom surface of the outer box body 31 is fixedly arranged at the other end of the adjusting rod 21, one side surface of the outer box body 31 is in an open shape, a fixing bottom plate 32 is arranged on the bottom surface in the outer box body 31, a T-shaped groove 33 is arranged on the top surface of the fixing bottom plate 32, a T-shaped sliding block 34 is movably arranged in the T-shaped groove 33, a motor 35 is arranged in the T-shaped sliding block 34, the liquid crystal display fixing frame 4 is fixedly connected with an output shaft of the motor 35, a double-piston rod cylinder 36 is further arranged in the T-shaped groove 33, a piston rod of the double-piston rod cylinder 36 is fixedly arranged on the side wall of the T-shaped sliding block 34, and the T-shaped sliding block 34 can be pushed to move in the T; the circular turntable 411 can be driven to rotate by the motor 35, so that the rotation angle of the rectangular frame body 41 in the horizontal plane direction can be adjusted, the angle of the liquid crystal display screen arranged in the rectangular frame body 41 can be adjusted according to the requirement, the interference of external light can be avoided, and the defects of similar side-view bright sides and the like can be detected more conveniently, the liquid crystal display screen fixing frame 4 comprises the rectangular frame body 41, one side wall of the rectangular frame body 41 is in an open shape, the circular turntable 411 is fixedly arranged on the bottom surface of the rectangular frame body 41, the circular turntable 411 is fixedly arranged on the output shaft of the motor 35, the top of the open side wall of the rectangular frame body 41 is provided with a rectangular placing groove 42, the opening of the rectangular placing groove 42 is provided with a fixing rod 43, one end of the fixing rod 43 is hinged at one end of the opening of the rectangular placing groove 42, the, the top of the side wall of the opening of the rectangular frame 41 is further provided with a plurality of side lever fixing threaded holes 45, the side lever fixing threaded holes 45 are equidistantly distributed along the length direction of the rectangular placing groove 42, side levers 46 are movably arranged in the side lever fixing threaded holes 45, the side levers 46 are in L-shaped lever structures, one ends of the side levers 46 are connected to the side lever fixing threaded holes 45 through external screw rods 49, locking nuts 491 are movably arranged outside the external screw rods 49, the fixing screw rods 44 are firstly loosened to place the liquid crystal display screen in the rectangular frame 41, so that the bottom of the liquid crystal display screen is positioned on the rectangular supporting base plate 47, the side levers 46 are moved to corresponding positions according to the length of the liquid crystal display screen, the external screw rods 49 are fixed through the side lever fixing threaded holes 45, the locking nuts 491 are tightened, and then the other ends of the fixing rods 43 are fixed on the other end, namely, the liquid crystal display screen can be fixed in the rectangular frame body 41, the bottom of the opening side wall of the rectangular frame body 41 is also provided with a rectangular supporting cushion plate 47 and a baffle plate 48, the rectangular supporting cushion plate 47 and the baffle plate 48 are parallel to each other, the position of the rectangular supporting cushion plate 47 is vertically corresponding to the position of the rectangular placing groove 42, the position of the baffle plate 48 is vertically corresponding to the position of the fixing rod 43, the other end of the side rod 46 is in a U-shaped opening shape, the rectangular supporting cushion plate 47 is positioned in the U-shaped opening of the other end of the side rod 46, the rectangular supporting cushion plate 47 is beneficial to supporting the bottom of the liquid crystal display screen placed in the rectangular frame body 41, the baffle plate 48 can prevent the bottom of the liquid crystal display screen from sliding out of the rectangular frame body 41, one end of the adjusting rod 21 is fixedly arranged on the outer wall of the rotating shaft 22, the rotating shaft 22 at the, one end of the rotating shaft 22 movably penetrates through the linear edge of the semicircular plate of the semicircular adjusting plate 51, a compression nut 61 is further arranged outside one end of the rotating shaft 22, the semicircular adjusting plate 51 is located between the rotating shaft sleeve 6 and the compression nut 61, and the compression nut 61 can enable one end of the rotating shaft 22 and the semicircular adjusting plate 51 to be connected and fastened, so that a fixing effect can be achieved when the position of the adjusting rod 21 does not need to be adjusted; when the position of the adjusting rod 21 needs to be adjusted, the rotating shaft 22 can rotate in the rotating shaft sleeve 6, then the pressing nut 61 is screwed, the position of the adjusted rod 21 after rotating can be fixed, the inner wall of the top surface of the outer box 31 is further provided with the U-shaped groove 7, the U-shaped opening of the U-shaped groove 7 is flush with the side opening of the outer box 31, the U-shaped groove 7 is further movably provided with the shielding plate 71, the shielding plate 71 is parallel to the bottom surface of the rectangular frame 41, and the light inlet quantity in the outer box 31 can be increased after the shielding plate 71 is taken out from the U-shaped groove 7 according to the requirement of light.

The utility model discloses a theory of use is: firstly loosening the fixing screw 44, putting the liquid crystal display screen into the rectangular frame body 41 from the rectangular placing groove 42, enabling the bottom of the liquid crystal display screen to be positioned on the rectangular supporting cushion plate 47, enabling the rectangular supporting cushion plate 47 to be favorable for supporting the bottom of the liquid crystal display screen placed in the rectangular frame body 41, preventing the bottom of the liquid crystal display screen from sliding out of the rectangular frame body 41 by the baffle plate 48, fixing the other end of the fixing rod 43 on the other end of the opening of the rectangular placing groove 42 through the fixing screw 44, moving the side rod 46 to a corresponding position according to the length of the liquid crystal display screen, fixing the external threaded rod 49 through the side rod fixing threaded hole 45, screwing the locking nut 491, and fixing the liquid crystal display screen in the rectangular frame body 41; the T-shaped slide block 34 can be pushed to move in the T-shaped groove 33 through the double-piston rod cylinder 36, so that the distance between the liquid crystal display screen fixing frame 4 and the side face of the opening of the outer box body 31 can be adjusted; the motor 35 can also drive the circular turntable 411 to rotate, so that the rotating angle of the rectangular frame body 41 in the horizontal plane direction can be adjusted, the angle of the liquid crystal display screen placed in the rectangular frame body 41 can be adjusted as required, the interference of external light can be avoided, and the defects such as side-looking bright spots and the like can be detected more conveniently; when the inclined angle of the outer box body 31 needs to be adjusted, the compression nut 61 and the nut 54 are sequentially loosened, then one end of the external thread positioning rod 53 is rotated out of the side wall of the adjusting rod 21, namely, the adjusting rod 21 and the outer box body 31 can be simultaneously rotated by taking the rotating shaft 22 as a central shaft, after the rotated angle of the outer box body 31 is adjusted, one end of the external thread positioning rod 53 penetrates through the positioning hole 52 to the inside of the side wall of the adjusting rod 21, then the compression nut 61 and the nut 54 on the other end of the external thread positioning rod 53 are sequentially screwed, and then the position of the rotated outer box body 31 can be fixed; also, according to the light requirement, after the shielding plate 71 is taken out from the U-shaped groove 7, the light entering amount in the outer box 31 can be increased.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A liquid crystal picture inspection machine is characterized in that: comprises a base (1), a detection frame device (2) and a rotation adjusting device (5) are arranged on the top surface of the base (1), the detection frame device (2) comprises an adjusting rod (21), one end of the adjusting rod (21) is rotatably arranged on the top surface of the base (1) through a rotating shaft (22), the other end of the adjusting rod (21) is provided with a liquid crystal display fixing box (3), a liquid crystal display fixing frame (4) is arranged in the liquid crystal display fixing box (3), the rotation adjusting device (5) comprises a semicircular adjusting plate (51), the semicircular adjusting plate (51) is vertically and fixedly arranged on the base (1) and is perpendicular to the rotating shaft (22), the circle center of the semicircular adjusting plate (51) is positioned on the axis of the rotating shaft (22), a plurality of positioning holes (52) are uniformly distributed on the semicircular adjusting plate (51) along the circumferential direction, and external thread positioning rods (, the adjusting rod (21) is provided with a corresponding threaded hole (23), one end of the external thread positioning rod (53) sequentially penetrates through the positioning hole (52) and the threaded hole (23) to be in threaded connection with the adjusting rod (21), and the other end of the external thread positioning rod (53) is provided with a nut (54).

2. The liquid crystal display inspection machine according to claim 1, wherein: the liquid crystal display screen fixing box (3) comprises an outer box body (31), the bottom surface of the outer box body (31) is fixedly arranged at the other end of the adjusting rod (21), one side surface of the outer box body (31) is in an open shape, a fixing bottom plate (32) is arranged on the bottom surface in the outer box body (31), a T-shaped groove (33) is formed in the top surface of the fixing bottom plate (32), a T-shaped sliding block (34) is movably arranged in the T-shaped groove (33), a motor (35) is arranged in the T-shaped sliding block (34), the liquid crystal display screen fixing frame (4) is fixedly connected with an output shaft of the motor (35), a double-piston-rod cylinder (36) is further arranged in the T-shaped groove (33), and a piston rod of the double-piston-rod cylinder (.

3. The liquid crystal display inspection machine according to claim 2, wherein: the liquid crystal display screen fixing frame (4) comprises a rectangular frame body (41), one side wall of the rectangular frame body (41) is in an open shape, a round turntable (411) is fixedly arranged on the bottom surface of the rectangular frame body (41), the round turntable (411) is fixedly arranged on an output shaft of a motor (35), a rectangular placing groove (42) is arranged at the top of the open side wall of the rectangular frame body (41), a fixing rod (43) is arranged on the opening of the rectangular placing groove (42), one end of the fixing rod (43) is hinged at one end of the opening of the rectangular placing groove (42), the other end of the fixing rod (43) is connected to the other end of the opening of the rectangular placing groove (42) through a fixing screw rod (44), a plurality of side rod fixing threaded holes (45) are further arranged at the top of the open side wall of the rectangular frame body (41), the side rod fixing threaded holes, a side lever (46) is movably arranged in the side lever fixing threaded hole (45), the side lever (46) is of an L-shaped lever structure, one end of the side lever (46) is connected to the side lever fixing threaded hole (45) through an external threaded lever (49), and a locking nut (491) is movably arranged outside the external threaded lever (49).

4. The liquid crystal display inspection machine according to claim 3, wherein: the bottom of the side wall of the opening of the rectangular frame body (41) is further provided with a rectangular supporting base plate (47) and a baffle plate (48), the rectangular supporting base plate (47) and the baffle plate (48) are parallel to each other, the position of the rectangular supporting base plate (47) corresponds to the position of the rectangular placing groove (42) up and down, the position of the baffle plate (48) corresponds to the position of the fixing rod (43) up and down, the other end of the side rod (46) is in a U-shaped opening shape, and the rectangular supporting base plate (47) is located in the U-shaped opening of the other end of the side rod (46).

5. The liquid crystal display inspection machine according to claim 1, wherein: the fixed setting of one end of adjusting pole (21) is on the outer wall of pivot (22), the equal movable sleeve in pivot (22) outside of adjusting pole (21) both ends is equipped with pivot cover (6), pivot cover (6) are all fixed to be set up on the top surface of base (1), and the one end activity of pivot (22) passes the straight line limit of the semicircle board of semi-circular regulating plate (51), the one end outside of pivot (22) still is provided with gland nut (61), and semi-circular regulating plate (51) are located between pivot cover (6) and gland nut (61).

6. The liquid crystal display inspection machine according to claim 3, wherein: the inner wall of the top surface of the outer box body (31) is further provided with a U-shaped groove (7), the U-shaped opening of the U-shaped groove (7) is flush with the side opening of the outer box body (31), a shielding plate (71) is movably arranged in the U-shaped groove (7), and the shielding plate (71) is parallel to the bottom surface of the rectangular frame body (41).