LCD display screen detection device
Technical Field
The invention relates to a detection device, in particular to a detection device for an LCD display screen.
Background
The LCD is constructed by placing liquid crystal cells between two parallel glass substrates, arranging TFT (thin film transistor) on the lower substrate glass, arranging color filter on the upper substrate glass, and controlling the rotation direction of liquid crystal molecules by changing the signal and voltage on the TFT, so as to control whether polarized light of each pixel point is emitted or not to achieve the purpose of display. LCDs, which have become the mainstream of the LCD instead of CRTs, have been lowered in price and have become sufficiently popular, and can be classified into CCFL displays and LED displays according to the backlight. The current LCD display screen lacks the resistance to compression and detects, leads to partial LCD display screen in the use, damages the influence and uses, and present LCD production detects mostly artifical visual inspection and detects, and detection error is big, and work efficiency is slow, and long-time work is big to staff's eye damage.
Disclosure of Invention
The invention aims to provide an LCD display screen detection device, which adopts a sucker to fix an LCD display screen, automatically loads and unloads the LCD display screen, reduces pollution, is provided with a cleaning device to clean the surface of the LCD display screen, prevents dust from influencing the detection process and damaging the LCD display screen, is provided with a placing box on a workbench, accurately detects the pressure, is provided with a fixing box on a sliding part in a sliding way, is convenient to move the fixing box into the placing box, is provided with a camera at each angle, collects detection data, transmits the detection data to an analysis system for analysis, controls automatic sorting of certified products and defective products, ensures the qualified rate, and has high detection precision and high working efficiency.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a LCD display screen detection device, detection device includes the rack, one side of rack is equipped with feeding conveyer belt and ejection of compact conveyer belt, the rack sets firmly the moving member that is used for removing the LCD display screen of symmetric distribution, be equipped with the cleaning device who is used for cleaning the LCD display screen on the rack, it is equipped with the slider that is used for fixed LCD display screen to slide on the rack, the rack sets firmly the compression fittings that is used for detecting the withstand voltage nature of LCD display screen, the rack sets firmly the observation piece that is used for collecting data, the rack sets firmly the mounting that is used for fixed slider.
Further, the workbench comprises a workbench, support columns distributed in an array are fastened below the workbench, fixed blocks are fastened on the workbench, first mounting plates distributed symmetrically are fastened on the fixed blocks, positioning wheels used for correcting the position of the LCD display screen are arranged below the first mounting plates in a rotating mode, mounting columns distributed symmetrically are fastened on the workbench, first threaded holes are formed in the mounting columns, a second mounting plate is arranged on one side of the workbench, first guide rods are fastened on the second mounting plate, first lead screws are arranged on the second mounting plate in a rotating mode, one end of each first lead screw is fastened and provided with a first motor, guide rails used for moving a sliding part are fastened and provided on the workbench, a third mounting plate is fastened and provided with second threaded holes distributed symmetrically on the third mounting plate, a placing box is fastened and provided with a pressure sensor used for measuring pressure, first sliding grooves distributed symmetrically are formed in the placing box, third threaded holes distributed symmetrically are formed in the workbench, through holes distributed symmetrically are formed in the workbench, and defective boxes are formed in the workbench.
Further, the moving member includes a first fixing plate, the first fixing plate is tightly connected with one end of a first connecting rod, the other end of the first connecting rod is tightly connected with a shaft sleeve, a first through hole is formed in the shaft sleeve, a second guide rod is fixedly arranged on the first fixing plate, a second lead screw is rotatably arranged on the first fixing plate, one end of the second lead screw is tightly connected with a second motor, an installation block is arranged on the second guide rod in a sliding mode, the second lead screw is in threaded fit with the installation block, a first hydraulic rod is fixedly arranged on the installation block, a connecting sleeve used for installing a sucker is fixedly connected with the output end of the first hydraulic rod, an air hole used for connecting vacuum equipment is formed in the connecting sleeve, and a sucker used for fixing an LCD display screen is fixedly arranged on the connecting sleeve.
Furthermore, the screw rod passes through the first through hole and is matched and fixed with the first threaded hole.
Further, cleaning device includes the second fixed plate, is equipped with the connecting axle on the second fixed plate, the one end and the washing dish fastening connection of connecting axle, the other end and third motor fastening connection, one side fastening connection of second fixed plate has the one end of second connecting rod, the other end fastening connection of second connecting rod has the fourth mounting panel, is equipped with second through hole and fifth screw hole on the fourth mounting panel.
Furthermore, the second through hole is matched with the first guide rod to slide, and the fifth threaded hole is matched with the first lead screw in a threaded manner.
Further, the slider includes the third fixed plate, be equipped with the second spout of symmetric distribution on the third fixed plate, third fixed plate below rotates the pivot that is equipped with symmetric distribution, pivot one end fastening is equipped with the gyro wheel, third fixed plate below fastening is equipped with the fourth motor, the output of fourth motor is connected with the drive belt, the drive belt rotates with the pivot to be connected, be equipped with fixed box on the third fixed plate, fixed box below fastening is equipped with the slider of array distribution, slider and second spout cooperation are equipped with the open slot in the fixed box, be equipped with the mounting groove in the open slot, the fastening is equipped with the luminous tube of array distribution in the mounting groove, gyro wheel and guide rail cooperation, the slider slides with first spout cooperation.
Further, the pressing device comprises a fourth fixing plate, third through holes are symmetrically distributed in the fourth fixing plate, a second hydraulic rod is fixedly arranged on the fourth fixing plate, a connecting column is arranged on one side of the fourth fixing plate, a top plate is rotatably arranged on the connecting column, the top plate is connected with the connecting column through a screw rod, a third hydraulic rod is fixedly arranged on the top plate, a pressing plate used for pressing the LCD display screen is fixedly arranged at the output end of the third hydraulic rod, and the screw rod penetrates through the third through holes to be matched and fixed with the second threaded holes.
Further, observe the piece and include the connecting block, be equipped with the fourth through hole of symmetric distribution on the connecting block, the connecting rod has set firmly on the connecting block, is equipped with the fifth mounting panel on the connecting rod, and the installed part of symmetric distribution has set firmly on the fifth mounting panel, rotates on the installed part to be equipped with the camera, and the one end fastening of camera is equipped with the fifth motor that is used for camera angle of adjustment.
Furthermore, the fixing part comprises a fifth fixing plate, a fourth hydraulic rod is fixedly arranged on the fifth fixing plate, a baffle is fixedly connected to the output end of the fourth hydraulic rod, symmetrically distributed barrier strips are fixedly arranged on the baffle, a fifth hydraulic rod is fixedly arranged on the baffle, and the screw penetrates through the through hole to be screwed and fixed with the fifth fixing plate.
The invention has the beneficial effects that:
1. the detection device adopts the sucking disc to fix the LCD display screen, automatically feeds and discharges materials, reduces pollution, is provided with a cleaning device to clean the surface of the LCD display screen, prevents dust from influencing the detection process and damaging the LCD display screen, is provided with the placing box on the workbench, accurately detects the pressure, and is provided with the fixing box in a sliding manner on the sliding part, so that the fixing box is conveniently moved into the placing box;
2. the detection device is provided with the camera, and the detection data is acquired at each angle and transmitted to the analysis system for analysis, and then the automatic sorting of the certified products and the defective products is controlled, so that the certified product rate is ensured, the detection precision is high, and the working efficiency is high.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic view of the structure of the detecting device of the present invention;
FIG. 2 is a schematic view of the inventive work head construction;
FIG. 3 is a schematic view of a moving element according to the present invention;
FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3;
FIG. 5 is a schematic view of the cleaning apparatus of the present invention;
FIG. 6 is a schematic view of the slider structure of the present invention;
FIG. 7 is a schematic view of a press-fit member according to the present invention;
FIG. 8 is a schematic view of the structure of a viewing member according to the present invention;
fig. 9 is a schematic view of the fastener structure of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model provides a LCD display screen detection device, detection device includes the workstation 1, as shown in fig. 1, one side of workstation 1 is equipped with feeding web 2 and ejection of compact conveyer belt 3, workstation 1 sets firmly the moving member 4 that is used for removing the LCD display screen of symmetric distribution, be equipped with the cleaning device 5 that is used for cleaning the LCD display screen on the workstation 1, it is equipped with the slider 6 that is used for fixed LCD display screen to slide on the workstation 1, workstation 1 sets firmly the compression fittings 7 that is used for detecting LCD display screen resistance to pressure, workstation 1 sets firmly the observation piece 8 that is used for collecting data, workstation 1 sets firmly the mounting 9 that is used for fixed slider 6.
The working frame 1 includes a working table 11, as shown in fig. 2, support columns 110 are fastened below the working table 11 and distributed in an array manner, fixed blocks 12 are fastened and fixed on the working table 11, first mounting plates 121 are fastened and fixed on the fixed blocks 12 and distributed symmetrically, positioning wheels 122 are rotatably arranged below the first mounting plates 121 and used for correcting the position of an LCD display screen, mounting columns 13 are fastened and fixed on the working table 11 and distributed symmetrically, first threaded holes 131 are formed in the mounting columns 13, second mounting plates 14 are fastened and fixed on one sides of the working table 11, first guide rods 142 are fastened and fixed on the second mounting plates 14, first lead screws 141 are rotatably arranged on the second mounting plates 14, first motors 140 are fastened and arranged on one ends of the first lead screws 141, guide rails 15 are fastened and fixed on the working table 11 and used for moving the sliding parts 6, third mounting plates 16 are fastened and arranged on one sides of the working table 11, second threaded holes 161 are symmetrically distributed on the third mounting plates 16, a placement box 17 is fixed on the working table 11, pressure sensors 171 are arranged in the placement box 17, first mounting plates 172 are symmetrically distributed symmetrically, defective work tables 18 are arranged on the working table 11, and threaded holes 19 are distributed symmetrically and arranged on the working table 11, and the working table 11 and the working tables 10 are distributed symmetrically.
The moving member 4 includes a first fixing plate 41, as shown in fig. 3 and 4, the first fixing plate 41 is fastened to one end of a first connecting rod 42, the other end of the first connecting rod 42 is fastened to a shaft sleeve 43, the shaft sleeve 43 is provided with a first through hole 431, a second guide rod 44 is fastened to the first fixing plate 41, the first fixing plate 41 is rotatably provided with a second lead screw 45, one end of the first fixing plate 41 is provided with a second motor 40, an output end of the second motor 40 is communicated with the first fixing plate 41 and is fixedly connected to one end of the second lead screw 45, the second guide rod 44 is slidably provided with a mounting block 46, the second lead screw 45 is in threaded fit with the mounting block 46, the mounting block 46 is fixedly provided with a first hydraulic rod 47, an output end of the first hydraulic rod 47 is fastened to a connecting sleeve 48 for mounting a suction cup 49, the connecting sleeve 48 is provided with an air hole 481 for connecting to a vacuum device, and the connecting sleeve 48 is fastened to a suction cup 49 for fixing an LCD display screen.
The screw passes through the first through hole 431 and is matched and fixed with the first threaded hole 131.
The cleaning device 5 includes a second fixing plate 51, as shown in fig. 5, a connecting shaft 52 is disposed on the second fixing plate 51, one end of the connecting shaft 52 is fastened to the cleaning disc 53, the other end of the connecting shaft is fastened to the third motor 50, one end of a second connecting rod 54 is fastened to one side of the second fixing plate 51, the other end of the second connecting rod 54 is fastened to a fourth mounting plate 55, and a second through hole 56 and a fifth threaded hole 57 are disposed on the fourth mounting plate 55.
The second through hole 56 is matched with the first guide rod 142 for sliding, and the fifth threaded hole 57 is in threaded fit with the first lead screw 141.
The sliding member 6 includes a third fixing plate 61, as shown in fig. 6, a second sliding slot 62 is disposed on the third fixing plate 61 and symmetrically distributed, a rotating shaft 63 is disposed below the third fixing plate 61 and symmetrically distributed, a roller 64 is disposed at one end of the rotating shaft 63, a fourth motor 60 is disposed below the third fixing plate 61 and fastened, an output end of the fourth motor 60 is connected with a transmission belt 65, the transmission belt 65 is rotatably connected with the rotating shaft 63, a fixing box 66 is disposed on the third fixing plate 61, a sliding block 67 distributed in an array is disposed below the fixing box 66 and fastened, the sliding block 67 is matched with the second sliding slot 62, an open slot 68 is disposed in the fixing box 66, a mounting slot 69 is disposed in the open slot 68, and a light emitting lamp 691 distributed in an array is disposed in the mounting slot 69 and fastened.
The roller 64 is engaged with the guide rail 15, and the slider 67 is slidably engaged with the first sliding groove 172.
The pressing device 7 includes a fourth fixing plate 71, as shown in fig. 7, third through holes 72 are symmetrically distributed on the fourth fixing plate 71, a second hydraulic rod 73 is fixedly fastened on the fourth fixing plate 71, a connection column 74 is arranged on one side of the fourth fixing plate 71, a top plate 75 is rotatably arranged on the connection column 74, the top plate 75 is connected with the connection column 74 through a screw, a third hydraulic rod 76 is fixedly fastened on the top plate 75, and a pressing plate 77 for pressing the LCD display screen is fixedly arranged at an output end of the third hydraulic rod 76.
The screw passes through the third through hole 72 and is matched and fixed with the second threaded hole 161.
The observation piece 8 comprises a connecting block 81, as shown in fig. 8, a fourth through hole 82 is symmetrically distributed on the connecting block 81, a connecting rod 83 is fixedly arranged on the connecting block 81, a fifth mounting plate 84 is arranged on the connecting rod 83, a symmetrically distributed mounting piece 85 is fixedly arranged on the fifth mounting plate 84, a camera 86 is rotatably arranged on the mounting piece 85, and a fifth motor 87 for adjusting the angle of the camera 86 is fixedly arranged at one end of the camera 86.
The fixing member 9 includes a fifth fixing plate 91, as shown in fig. 9, a fourth hydraulic rod 92 is fastened on the fifth fixing plate 91, a baffle plate 93 is fastened to an output end of the fourth hydraulic rod 92, symmetrically distributed barrier strips 94 are fastened on the baffle plate 93, and a fifth hydraulic rod 95 is fastened on the baffle plate 93.
The screw rod passes through the through hole 19 and is screwed and fixed with the fifth fixing plate 91.
When the device is used, the moving part 4, the cleaning device 5, the sliding part 6, the pressing device 7, the observation part 8 and the fixing part 9 are installed and fixed on the working frame 1, the LCD display screen is arranged on the feeding conveyer belt 2, the LCD display screen is positioned by the positioning wheels 122, the LCD display screen is tightly sucked by the suction cups 49 on the moving part 4 and conveyed into the fixing box 66 on the sliding part 6, the light-emitting tubes 691 in the fixing box 66 emit light, the sliding part 6 slides on the guide rails 15, the cleaning device 5 cleans the LCD display screen, the detection process is prevented from being influenced by surface impurities, the LCD display screen is damaged, the sliding part 6 moves to the pressing device 7, the fourth hydraulic rod 92 pushes the baffle 93 to move, the baffle 94 clamps and fixes the sliding part 6 in a clamping manner, the second hydraulic rod 95 extends to push the fixing box 66, the sliding block 67 slides in cooperation with the first sliding chute 172, the fixing box 66 is moved into the placing box 17, the third hydraulic rod 76 is controlled to push the pressing plate 77, the pressure resistance detection is carried out on the LCD display screen, the pressure sensor 171 detects the pressure, the pressure is fed back to the control unit, the second hydraulic rod 73 is put into the sliding part 6, the LCD display system, whether the defective products are analyzed and then the defective products are conveyed to the LCD display screen 3, and are analyzed and displayed on the LCD display screen, and displayed on the LCD display system, and the LCD display screen, whether the LCD display system, and the LCD display screen 3, and the defective products are displayed on the LCD display system, and the defective products are analyzed.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are within the scope of the invention as claimed.