CN112649981A - Liquid crystal display module detection device - Google Patents

Abstract

The invention relates to a liquid crystal display module detection device, which comprises a workbench, wherein a support is arranged above the middle of the workbench, the lower part of the support is connected with an optical detector through a lifting cylinder, the lower part of the support and the right side of the optical detector are connected with a labeling device through a lifting cylinder II, the workbench is provided with a groove extending along the length direction, a support plate is connected in the groove in a sliding manner through a sliding device, the support plate slides along the length direction of the groove, the right end of the workbench is provided with a stacking area, the upper surface of the support plate is connected with a rotating plate through a rotating motor, the upper surface of the rotating plate is connected with a turnover plate through a turnover device, and the turnover plate; the side surface of the workbench is also provided with a control device, and the control device comprises a signal processing module and a control module. Set up laser receiving arrangement and receive laser signal, the removal and the stop of automatic control backup pad, control rotary device and turning device start in suitable position simultaneously, need not manual operation, and is very convenient.

Description

Liquid crystal display module detection device

Technical Field

The invention relates to the technical field of liquid crystal display module detection equipment, in particular to a liquid crystal display module detection device.

Background

The liquid crystal module is mainly divided into a screen and a backlight lamp assembly, and other parts comprise a power supply circuit, a signal processing circuit and the like. The display component of the liquid crystal television is a liquid crystal module, and is equivalent to a picture tube in a CRT. The screen and backlight assembly are assembled together but operate independently of each other. The principle of liquid crystal display is that a backlight assembly emits uniform surface light, which is transmitted to our eyes through a liquid crystal screen. The role of the screen is to process the light on a pixel-by-pixel basis to display an image. In the process of liquid crystal display screen production, a special instrument is used for detecting the liquid crystal display module. The existing liquid crystal display module detection device can only detect one part, is difficult to carry out comprehensive detection on each position of the liquid crystal display module, and reduces the practicability. After detecting the liquid crystal display module assembly, need the manual work to dismantle the liquid crystal display module assembly that finishes detecting from detection device to the manual work distinguishes qualified and unqualified liquid crystal display module assembly, and is very inconvenient.

Disclosure of Invention

The technical problem to be solved by the present invention is to provide a liquid crystal display module detecting device, which solves the problems mentioned in the background art.

In order to solve the technical problem, the liquid crystal display module detection device comprises a workbench, wherein a support is arranged above the middle of the workbench, an optical detector is connected below the support through a lifting cylinder, a labeling device is connected below the support and on the right side of the optical detector through a lifting cylinder II, the workbench is provided with a groove extending along the length direction, a support plate is connected in the groove in a sliding mode through a sliding device and slides along the length direction of the groove, a stacking area is arranged at the right end of the upper surface of the workbench, the upper surface of the support plate is connected with a rotating plate through a rotating motor, the upper surface of the rotating plate is connected with a turnover plate through a turnover device, and the turnover plate is connected with a liquid crystal display module body through a sucker device; a laser transmitter is arranged on the side face of the supporting plate, a first laser receiver is arranged below the optical detector and on the side edge of the workbench, a second laser receiver is arranged below the labeling device and on the right side of the first laser receiver, and a third laser receiver is arranged in the stacking area and on the side edge of the workbench; still be equipped with controlling means on the workstation side, controlling means includes signal processing module and control module, optical detection appearance, laser receiver one, laser receiver two and laser receiver three all are connected with signal processing module's input, signal processing module is to signal transmission to control module after processing, laser emitter, lift cylinder one, lift cylinder two, slider, rotating electrical machines, turning device, sucking disc device and the device of beating the label are controlled by control module.

Set up laser receiving arrangement and receive laser signal, the automatic control backup pad is at the removal and the stop on workstation surface, and control rotary device and turning device start in suitable position simultaneously, need not manual operation, and is very convenient. Meanwhile, the optical detector can carry out all-dimensional detection on the liquid crystal display module by starting the rotating device, so that the detection precision is improved, and the detection result is more representative. The setting is beaten the label device, handles the data after the optical detection appearance detects through signal processing module, and control is beaten the label mark and is pasted the label to the liquid crystal display module group automatically, need not the manual work and classifies again, sets up turning device simultaneously, and after the detection finishes, can overturn the liquid crystal display module group automatically and send to the area of putting things in good order, need not the manual work and put things in good order, reduces artifical intensity of labour. Set up the sucking disc device, thereby live it fixedly with liquid crystal display module group sucking through the negative pressure effect, the damage to causing is guaranteed to the sound level of liquid crystal display module group body transportation to modes such as reducible clamp of mode of inhaling through the gas.

As an improvement of the invention, the sliding device comprises two sliding motors arranged on the left side surface of the workbench, two lead screws, sliding grooves respectively arranged on two opposite side surfaces of the groove, and sliding blocks respectively arranged on two side surfaces of the supporting plate and matched with the sliding grooves, wherein the sliding blocks are arranged in the sliding grooves and are in sliding connection with the sliding grooves, the lead screws are arranged in the sliding grooves, the lead screws penetrate through the sliding blocks and are in threaded connection with the sliding blocks, and one ends of the lead screws are connected with the output ends of the sliding motors.

As an improvement of the invention, the cross section of the sliding block is in a convex shape.

As an improvement of the invention, the turnover device comprises a turnover motor, two bearing seats, a driving wheel, a driven wheel and a synchronous belt, wherein the turnover motor is fixed on the right side of the upper surface of the rotating plate, the two bearing seats are relatively fixed on the left side of the turnover motor, a positioning block is fixedly connected to the right end of the turnover plate, the positioning block is mounted on the bearing seats through turnover shafts and bearings, a supporting seat for supporting the turnover plate is arranged on the left side of the turnover plate, the supporting seat is fixed on the upper surface of the rotating plate, the driving wheel is arranged at the output end of the turnover motor, the driven wheel is arranged at one end of the turnover shaft close to the driving.

As an improvement of the invention, the cross section of the supporting seat is L-shaped.

As an improvement of the turnover mechanism, a limiting block is arranged between the bearing seat and the turnover motor and close to the bearing seat, and the limiting block is used for limiting the turnover angle of the turnover plate.

As an improvement of the invention, the sucker device comprises a plurality of suckers, an air guide tube and an air pump, wherein the suckers are arranged on the upper surface of the turnover plate, the suckers are arranged in the cavities, the suckers are connected with the air guide tube through air suction holes, the other end of the air guide tube is connected with the air pump, and the air pump is fixed on the upper surface of the rotating plate and is positioned between the rotating plate and the turnover plate.

As an improvement of the invention, two sides of the stacking area are provided with protective plates.

Compared with the prior art, the invention has the advantages that 1) the laser receiving device is arranged to receive laser signals, the movement and the stop of the supporting plate on the surface of the workbench are automatically controlled, and the rotating device and the turning device are controlled to start at proper positions, so that the manual operation is not needed, and the invention is very convenient; 2) the rotating device is arranged, so that the optical detector can carry out omnibearing detection on the liquid crystal display module, the detection precision is improved, and the detection result is more representative; 3) the label printing device is arranged, data detected by the optical detector are processed through the signal processing module, the label printing mark is controlled to automatically label the liquid crystal display module, manual classification is not needed, meanwhile, the turnover device is arranged, after detection is finished, the liquid crystal display module can be automatically turned over and sent to the stacking area to be stacked orderly, manual stacking is not needed, and manual labor intensity is reduced; 4) set up the sucking disc device, thereby live it fixedly with liquid crystal display module group sucking through the negative pressure effect, the damage to causing is guaranteed to the sound level of liquid crystal display module group body transportation to modes such as reducible clamp of mode of inhaling through the gas.

Drawings

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

FIG. 2 is a left side view of an LCD module inspection apparatus according to the present invention;

FIG. 3 is a schematic view of the construction of the inverting device and the suction cup device of the present invention;

FIG. 4 is a schematic diagram of an LCD module detecting device according to the present invention;

in the figure: 1. a work table; 2. a support; 31. a first lifting cylinder; 32. an optical detector; 33. a second lifting cylinder; 34. a labeling device; 4. a control device; 41. a signal processing module; 42. a control module; 5. a sliding device; 51. a slide motor; 52. a lead screw; 53. a chute; 54. a slider; 6. a rotating electric machine; 7. a turning device; 71. turning over a motor; 72. a bearing seat; 73. a driving wheel; 74. a driven wheel; 75. a synchronous belt; 76. positioning blocks; 77. a supporting seat; 78. a limiting block; 8. a suction cup device; 81. a cavity; 82. a suction cup; 83. an air duct; 84. an air pump; 91. a laser transmitter; 92. a first laser receiver; 93. a second laser receiver; 94. a laser receiver III; 10. a support plate; 11. a rotating plate; 12. a turnover plate; 13. a liquid crystal display module body; 14. a stacking area; 15. a groove; 16. and (4) a protective plate.

The specific implementation mode is as follows:

for the purpose of enhancing an understanding of the present invention, the present embodiment will be described in detail below with reference to the accompanying drawings.

Example 1: referring to fig. 1 to 4, a liquid crystal display module detection device comprises a workbench 1, a support 2 is arranged above the middle of the workbench 1, an optical detector 32 is connected below the support 2 through a first lifting cylinder 31, a labeling device 34 is connected below the support 2 and on the right side of the optical detector 32 through a second lifting cylinder 33, the workbench 1 is provided with a groove 15 extending along the length direction, a support plate 10 is slidably connected in the groove 15 through a sliding device 5, the support plate 10 slides along the length direction of the groove 15, a stacking area 14 is arranged at the right end of the upper surface of the workbench 1, the upper surface of the support plate 10 is connected with a rotating plate 11 through a rotating motor 6, the upper surface of the rotating plate 11 is connected with a turnover plate 12 through a turnover device 7, and the turnover plate 12 is connected with a liquid crystal display module body 13 through; a laser transmitter 91 is arranged on the side surface of the supporting plate 10, a first laser receiver 92 is arranged below the optical detector 32 and on the side edge of the workbench 1, a second laser receiver 93 is arranged below the labeling device 34 and on the right side of the first laser receiver 92, and a third laser receiver 94 is arranged in the stacking area 14 and on the side edge of the workbench 1; still be equipped with controlling means 4 on the workstation 1 side, controlling means 4 includes signal processing module 41 and control module 42, optical detection appearance 32, laser receiver 92, laser receiver 93 and laser receiver 94 are all connected with signal processing module 41's input, signal processing module 41 is to signal processing back with signal transmission to control module 42, laser emitter 91, lift cylinder 31, lift cylinder 33, slider 5, rotating electrical machines 6, turning device 7, sucking disc device 8 and beat the label device 34 and control by control module 42.

Set up laser receiving arrangement and receive laser signal, the automatic control backup pad is at the removal and the stop on workstation surface, and control rotary device and turning device start in suitable position simultaneously, need not manual operation, and is very convenient. Meanwhile, the optical detector can carry out all-dimensional detection on the liquid crystal display module by starting the rotating device, so that the detection precision is improved, and the detection result is more representative. The setting is beaten the label device, handles the data after the optical detection appearance detects through signal processing module, and control is beaten the label mark and is pasted the label to the liquid crystal display module group automatically, need not the manual work and classifies again, sets up turning device simultaneously, and after the detection finishes, can overturn the liquid crystal display module group automatically and send to the area of putting things in good order, need not the manual work and put things in good order, reduces artifical intensity of labour. Set up the sucking disc device, thereby live it fixedly with liquid crystal display module group sucking through the negative pressure effect, the damage to causing is guaranteed to the sound level of liquid crystal display module group body transportation to modes such as reducible clamp of mode of inhaling through the gas.

The sliding device 5 comprises two slidingmotors 51 arranged on the left side face of the workbench 1, twolead screws 52, slidinggrooves 53 respectively arranged on the two opposite side faces of thegroove 15 and slidingblocks 54 respectively arranged on the two side faces of the supportingplate 10 and matched with the slidinggrooves 53, the slidingblocks 54 are arranged in the slidinggrooves 53 and are in sliding connection with the slidinggrooves 53, the lead screws 52 are arranged in the slidinggrooves 53, the lead screws 52 penetrate through the slidingblocks 54 and are in threaded connection with the slidingblocks 54, and one ends of the lead screws 52 are connected with the output ends of the slidingmotors 51.

Theslider 54 is "convex" in cross-section.

Turning device 7 includesupset motor 71, two bearingframes 72,action wheel 73, from drivingwheel 74 and hold-inrange 75,upset motor 71 is fixed onrotor plate 11 upper surface right side, two bearingframe 72 relatively fixed are onupset motor 71 left side, flippingboard 12 right-hand member fixedly connected with locatingpiece 76, locatingpiece 76 passes through the trip shaft and the bearing is installed on bearingframe 72, flippingboard 12 left side is equipped with the supportingseat 77 that supports flippingboard 12, supportingseat 77 is fixed atrotor plate 11 upper surface,action wheel 73 sets up the output atupset motor 71, from the one end that drivingwheel 73 is close to at the trip shaft ofdriving wheel 74 setting,action wheel 73 passes through hold-inrange 75 transmission with drivenwheel 74 and.

The cross section of the supportingseat 77 is L-shaped.

A limit block 78 is arranged between the bearingseat 72 and theturnover motor 71 and close to the bearingseat 72, and the limit block 78 is used for limiting the turnover angle of theturnover plate 12.

The sucker device 8 comprises a cavity 81,suckers 82, anair guide pipe 83 and anair pump 84 which are arranged on the upper surface of theturnover plate 12, thesuckers 82 are arranged in the cavity 81, thesuckers 82 are connected with theair guide pipe 83 through air suction holes, the other end of theair guide pipe 83 is connected with theair pump 84, and theair pump 84 is fixed on the upper surface of therotary plate 11 and is positioned between therotary plate 11 and theturnover plate 12.

Preferably,protection plates 16 are arranged on two sides of the stackingarea 14 to protect stacked liquid crystal display modules and prevent the stacked liquid crystal display modules from sliding off the workbench.

The working process is as follows: referring to fig. 1-4, before use, the liquid crystal display module is placed on the turnover plate, the control module controls the air pump to form negative pressure in the cavity, and the liquid crystal display module is fixed on the turnover plate. During the use, control module control sliding motor starts through, makes the backup pad remove to workstation the right from the workstation the left side, and when the backup pad slided optical inspection appearance below, laser receiver received laser signal, thereby controlling means control sliding motor stops the backup pad and stops sliding, and rotating electrical machines and lift cylinder start simultaneously, and optical inspection appearance carries out all-round detection to the liquid crystal display module assembly. After the detection is finished, the optical detector sends the detected data to the signal processing module for processing, the signal processing module transmits the signal to the control module after processing, then the control module controls the rotating motor to stop, controls the supporting plate to continue to slide rightwards until the laser receiver II receives the laser signal, controls the sliding motor to stop, controls the lifting cylinder II to drive the labeling device to move downwards, and controls the labeling device to label the liquid crystal display module according to the signal transmitted by the optical detector. After the label is pasted, the control module controls the sliding motor to start, the supporting plate continues to move rightwards until the label reaches the stacking area, the laser receiver III receives a laser signal, the control module controls the sliding motor to stop, and simultaneously controls the overturning motor to start, so that the liquid crystal display module is overturned to be in a vertical state, and then the air pump is controlled to deliver air, so that the liquid crystal display module is loosened and stacked in the stacking area.

Finally, it should be noted that: the technical means disclosed in the invention scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and such improvements and modifications are also considered to be within the scope of the present invention.

Claims (8)

1. The utility model provides a liquid crystal display module assembly detection device which characterized in that: comprises a workbench (1), a support (2) is arranged above the middle of the workbench (1), an optical detector (32) is connected below the support (2) through a first lifting cylinder (31), a labeling device (34) is connected below the support (2) and on the right side of the optical detector (32) through a second lifting cylinder (33), a groove (15) extending along the length direction is formed in the workbench (1), a support plate (10) is connected in the groove (15) through a sliding device (5) in a sliding manner, the support plate (10) slides along the length direction of the groove (15), a stacking area (14) is arranged at the right end of the upper surface of the workbench (1), the upper surface of the support plate (10) is connected with a rotating plate (11) through a rotating motor (6), and the upper surface of the rotating plate (11) is connected with a turnover plate (12) through a turnover device (7), the turnover plate (12) is connected with a liquid crystal display module body (13) through a sucker device (8); a laser transmitter (91) is arranged on the side face of the supporting plate (10), a first laser receiver (92) is arranged below the optical detector (32) and on the side edge of the workbench (1), a second laser receiver (93) is arranged below the labeling device (34) and on the right side of the first laser receiver (92), and a third laser receiver (94) is arranged on the side edge of the stacking area (14) and the workbench (1); still be equipped with controlling means (4) on workstation (1) side, controlling means (4) include signal processing module (41) and control module (42), optical detection appearance (32), laser receiver (92), laser receiver two (93) and laser receiver three (94) all are connected with signal processing module's (41) input, signal processing module (41) is to signal processing back with signal transmission to control module (42), laser emitter (91), lift cylinder (31), lift cylinder two (33), slider (5), rotating electrical machines (6), turning device (7), sucking disc device (8) and beat label device (34) and control by control module (42).

2. The LCD module detecting device of claim 1, wherein: the sliding device (5) comprises two sliding motors (51) arranged on the left side face of the workbench (1), two lead screws (52), sliding grooves (53) respectively arranged on the two opposite side faces of the groove (15) and sliding blocks (54) respectively arranged on the two side faces of the support plate (10) and matched with the sliding grooves (53), the sliding blocks (54) are arranged in the sliding grooves (53) and are in sliding connection with the sliding grooves (53), the lead screws (52) are arranged in the sliding grooves (53), the lead screws (52) penetrate through the sliding blocks (54) and are in threaded connection with the sliding blocks (54), and one ends of the lead screws (52) are connected with the output ends of the sliding motors (51).

3. The LCD module detecting device of claim 2, wherein: the cross section of the sliding block (54) is in a convex shape.

4. The LCD module detecting device of claim 1, wherein: the turnover device (7) comprises a turnover motor (71), two bearing seats (72), a driving wheel (73), a driven wheel (74) and a synchronous belt (75), the overturning motor (71) is fixed on the right side of the upper surface of the rotating plate (11), the two bearing seats (72) are relatively fixed on the left side of the overturning motor (71), the right end of the turnover plate (12) is fixedly connected with a positioning block (76), the positioning block (76) is arranged on the bearing seat (72) through a turnover shaft and a bearing, a supporting seat (77) for supporting the turnover plate (12) is arranged at the left side of the turnover plate (12), the supporting seat (77) is fixed on the upper surface of the rotating plate (11), the driving wheel (73) is arranged at the output end of the overturning motor (71), the driven wheel (74) is arranged at one end of the turning shaft close to the driving wheel (73), the driving wheel (73) is in transmission connection with the driven wheel (74) through a synchronous belt (75).

5. The LCD module detecting device of claim 4, wherein: the cross section of the supporting seat (77) is L-shaped.

6. The LCD module detecting device of claim 4, wherein: a limiting block (78) is arranged between the bearing seat (72) and the overturning motor (71) and is close to the bearing seat (72), and the limiting block (78) is used for limiting the overturning angle of the overturning plate (12).

7. The LCD module detecting device of claim 1, wherein: sucking disc device (8) are including setting up cavity (81), sucking disc (82), air duct (83) and air pump (84) at returning face plate (12) upper surface, sucking disc (82) are equipped with a plurality ofly, sucking disc (82) set up in cavity (81), sucking disc (82) are connected with air duct (83) through the suction hole, the air duct (83) other end is connected with air pump (84), air pump (84) are fixed at rotor plate (11) upper surface to be located between rotor plate (11) and returning face plate (12).

8. The LCD module detecting device of claim 5, wherein: protection plates (16) are arranged on two sides of the stacking area (14).

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