CN110716331A - Quality detection device of liquid crystal display - Google Patents
Quality detection device of liquid crystal display Download PDFInfo
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- CN110716331A CN110716331A CN201911053340.XA CN201911053340A CN110716331A CN 110716331 A CN110716331 A CN 110716331A CN 201911053340 A CN201911053340 A CN 201911053340A CN 110716331 A CN110716331 A CN 110716331A
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- 238000001514 detection method Methods 0.000 title claims abstract description 67
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims description 13
- 238000007689 inspection Methods 0.000 claims description 10
- 230000002146 bilateral effect Effects 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 2
- 238000012797 qualification Methods 0.000 abstract description 3
- 230000002950 deficient Effects 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012372 quality testing Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1306—Details
- G02F1/1309—Repairing; Testing
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- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a quality detection device of a liquid crystal display, which comprises a machine body, wherein a detection cavity is arranged in the machine body, an input device and an output device are respectively arranged at the front side and the rear side of the detection cavity, the input device comprises a rotatable input belt, push plates are uniformly and fixedly arranged on the input belt, a display is placed on the input belt, the invention drives the display to be detected to rotate through the intermittent rotation of a rotating block, the input, the detection and the classification are sequentially carried out, the display is placed in the rotating block through the input device, the rotating block rotates ninety degrees to electrify the display for quality detection, the detected display is classified according to qualification and disqualification, the qualified display is output through the output device, the disqualified display is moved into a collection cavity through a clamping device to be collected, and the device can continuously carry out the quality detection on each display, ensures high quality of the display and automatically sorts out and collects the defective displays.
Description
Technical Field
The invention relates to the technical field of displays, in particular to a quality detection device of a liquid crystal display.
Background
The liquid crystal display is an active matrix liquid crystal display driven by a thin film transistor, and mainly forms a picture by matching current magnetic pole liquid crystal molecule generating points, lines and surfaces with a back lamp tube. The present invention sets forth a device that solves the above problems.
Disclosure of Invention
The technical problem is as follows:
the traditional liquid crystal display has low detection result accuracy and low working efficiency.
In order to solve the problems, the quality detection device of the liquid crystal display comprises a machine body, wherein a detection cavity is arranged in the machine body, the front side and the rear side of the detection cavity are respectively provided with an input device and an output device, the input device comprises a rotatable input belt, a push plate is uniformly and fixedly arranged on the input belt, a display is placed on the input belt, the input belt pushes the display to move forwards into the detection cavity through the push plate when rotating, the output device comprises a rotatable output belt and is used for outputting the display after detection, a rotatable rotating block is arranged in the detection cavity through a rotating shaft, the front end of the rotating shaft is in power connection with a rotating motor, four detection devices are arranged in the rotating block in an array, and the detection devices are sequentially provided with a placing part, The detection device comprises a placing cavity, an electrified device is fixedly arranged on one end wall of the placing cavity close to the center of the array, the display moves into the placing cavity and is electrically connected with the electrified device through the rotation of the rotating block, so that the display is in a vertical state, the electrified quality inspection of the display can be carried out, a moving device is arranged on the right side of the detection cavity and comprises a sliding block capable of moving left and right and back and forth, a clamping device is arranged on the sliding block and comprises a liftable control shaft and a clamping plate which is symmetrical and rotatable in front and back, the clamping device can drive the connecting shaft to lift when working, when the connecting shaft descends, the clamping plate rotates oppositely to clamp the display, when the detection result of the display is qualified, the moving device works to drive the connecting shaft to move forwards, the display is placed on the output belt to be output, when the display is detected to be unqualified, the connecting shaft moves backwards, the collecting device is arranged on the rear side of the detection cavity, and the unqualified display is placed in the collecting cavity to be collected including the collecting cavity.
Preferably, the electricity receiving port is installed at the right end of the display, the electricity receiving port is electrified when being contacted with the electrified device, and the liquid crystal display screen is installed on the upper end face of the display, so that the display can be subjected to quality detection by the display condition of the liquid crystal display screen after the electricity receiving port and the electrified device are electrified.
Wherein, input device include with the communicating input of detection chamber changes the chamber, the input changes the chamber rotation and is equipped with the input pivot, the input runner has set firmly in the input pivot, input area power set up in on the input runner, input changes the chamber left side and is equipped with the belt groove, input pivot left end extend to its power connection in the belt groove is in conveying motor, conveying motor install in belt groove left end wall, thereby conveying motor work drives the input area rotates, and then will the display inputs forward and prepares quality testing.
Wherein, output device changes the chamber including the output, the output changes the intracavity and rotates and to be provided with the output pivot, output area power set up in the output pivot, output pivot left end extend to in the belt groove and with connect through power belt power between the input pivot, thereby the rotation of output area with the rotation in input area is synchronous.
The detection device comprises a bilateral symmetry connecting groove, the connecting groove is communicated with the placing cavity, a protective pad is fixedly arranged on the upper end wall and the lower end wall in the connecting groove, a transparent window is fixedly arranged on the upper end wall of the placing cavity, so that the display is placed in the placing cavity, and the rotating block rotates to drive the display to perform different function operation selections.
The moving device comprises a horizontal moving cavity communicated with the detection cavity, a first lead screw is rotatably mounted in the horizontal moving cavity, the right end of the first lead screw is in power connection with a moving motor, a moving block is mounted on the first lead screw in a threaded manner, a sliding cavity is arranged in the moving block, a second lead screw is rotatably mounted in the sliding cavity, the rear end of the second lead screw is in power connection with a power motor, the power motor is fixedly mounted on the rear end wall of the book searching sliding cavity, the sliding block is in threaded mounting with the second lead screw, so that the moving block can be moved left and right when the moving motor works, and the sliding block can be moved back and forth when the power motor works.
Wherein, clamping device includes the lift chamber, lift chamber right-hand member wall has set firmly the rack, lift chamber upper end wall installs elevator motor, elevator motor lower extreme power installs elevator lead screw, elevator lead screw is last threaded mounting has the control shaft, be equipped with the fluting in the control shaft, the fluting internal rotation is provided with the straight-teeth gear, the terminal surface sets firmly first bevel gear before the straight-teeth gear, the meshing of first bevel gear left end is connected with second bevel gear, second bevel gear center department has set firmly the transmission shaft, be equipped with the transmission chamber in the control shaft left end face, the transmission shaft left end extends to in the transmission chamber and has set firmly third bevel gear, the meshing of third bevel gear rear end is connected with fourth bevel gear, fourth bevel gear center department has set firmly the connecting axle, the connecting axle front and back end has set firmly the worm, the meshing of worm lower extreme is connected with the worm wheel, the center of the worm gear is fixedly provided with a worm gear shaft, and the clamping plate is fixedly arranged on the worm gear shaft, so that the lifting motor drives the operating shaft to descend when working, and meanwhile, the straight gear rotates to drive the clamping plate to rotate, so that the display is clamped.
Wherein, collection device includes that slidable places the board, collect chamber lower extreme wall and set firmly pressure spring, pressure spring upper end with place the board butt, place the connecting band that sets firmly bilateral symmetry on the board, it communicates with each other and is equipped with logical chamber to collect chamber bilateral symmetry, logical intracavity rotation is equipped with the traction wheel, the connecting band twine in on the traction wheel just evenly install the supporting pad on the connecting band, thereby the display place in place on the board, push down place the board decline, then the connecting band rotates extremely the display upside, the next of being convenient for the display is placed, collect the intracavity the display place accomplish the back, directly will place the board take out can.
The invention has the beneficial effects that: the invention drives the display to be detected to rotate through the intermittent rotation of the rotating block, sequentially carries out input, detection and classification, the display is placed in the rotating block through the input device, the rotating block rotates ninety degrees to electrify the display for quality detection, the detected display is classified according to qualification and disqualification, the qualified display is output through the output device, the disqualified display is moved into the collection cavity through the clamping device to be collected, the device can continuously carry out quality detection on each display, ensures the high quality of the display, and automatically sorts out and collects the disqualified display.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
FIG. 1 is a schematic diagram of an overall structure of a quality detection apparatus for a liquid crystal display according to the present invention;
FIG. 2 is a schematic view of the structure in the direction "A" of FIG. 1;
FIG. 3 is a schematic view of the structure in the direction "B-B" of FIG. 1;
FIG. 4 is a schematic view of the structure in the direction "C" of FIG. 1;
FIG. 5 is an enlarged view of "D-D" of FIG. 4;
FIG. 6 is a schematic view of the structure in the direction "E" of FIG. 5;
FIG. 7 is a schematic view of the structure in the direction "F-F" of FIG. 6;
FIG. 8 is a schematic view of the structure "G-G" of FIG. 3.
Detailed Description
The invention will now be described in detail with reference to fig. 1-8, for ease of description, the orientations described below will now be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to a quality detection device of a liquid crystal display, which is mainly used for the quality detection work of the liquid crystal display, and the invention is further explained by combining the attached drawings of the invention:
the invention relates to a quality detection device of a liquid crystal display, which comprises a machine body 10, wherein a detection cavity 11 is arranged in the machine body 10, an input device 90 and an output device 89 are respectively arranged at the front side and the rear side of the detection cavity 11, the input device 90 comprises a rotatable input belt 15, a push plate 16 is uniformly and fixedly arranged on the input belt 15, a display 32 is placed on the input belt 15, the display 32 is pushed to move forwards into the detection cavity 11 through the push plate 16 when the input belt 15 rotates, the output device 89 comprises a rotatable output belt 22 for outputting the detected display 32, a rotatable rotating block 23 is arranged in the detection cavity 11 through a rotating shaft 24, the front end of the rotating shaft 24 is dynamically connected to a rotating motor 25, four detection devices 88 are arranged in the rotating block 23 in an array, and the detection devices 88 are sequentially arranged, The detection device 88 comprises a placing cavity 26, an electrified device 31 is fixedly arranged on one end wall of the placing cavity 26 close to the center of the array, the display 32 moves into the placing cavity 26, the display 32 is in a vertical state and is electrically connected with the electrified device 31 through the rotation of the rotating block 23, so that the display 32 can be subjected to electrified quality inspection, a moving device 87 is arranged on the right side of the detection cavity 11, the moving device 87 comprises a sliding block 41 capable of moving left and right and back and forth, a clamping device 86 is arranged on the sliding block 41, the clamping device 86 comprises a lifting control shaft 45 and a clamping plate 56 capable of symmetrically rotating front and back, the clamping device 86 can drive the connecting shaft 54 to lift when working, and when the connecting shaft 54 descends, the clamping plate 56 rotates oppositely to clamp the display 32, when the detection result of the display 32 is qualified, the moving device 87 works to drive the connecting shaft 54 to move forwards, the display 32 is placed on the output belt 22 to be output, when the display 32 is detected to be unqualified, the connecting shaft 54 moves backwards, the collecting device 85 is arranged on the rear side of the detection cavity 11, and the collecting cavity 65 is included, the unqualified display 32 is placed in the collecting cavity 65 to be collected.
Advantageously, the right end of the display 32 is provided with an electric interface 30, the electric interface 30 is electrified when contacting with the electrifier 31, and the upper end face of the display 32 is provided with a liquid crystal display 33, so that the display 32 can be subjected to quality detection through the display condition of the liquid crystal display 33 after the electric interface 30 and the electrifier 31 are electrified.
According to the embodiment, the input device 90 is described in detail below, the input device 90 includes an input rotary cavity 12 communicated with the detection cavity 11, the input rotary cavity 12 is provided with an input rotary shaft 13 in a rotary manner, the input rotary shaft 13 is fixedly provided with an input rotary wheel 14, an input belt 15 is arranged on the input rotary wheel 14 in a power manner, a belt groove 18 is arranged on the left side of the input rotary cavity 12, the left end of the input rotary shaft 13 extends into the belt groove 18 and is connected to a conveying motor 17 in a power manner, the conveying motor 17 is arranged on the left end wall of the belt groove 18, so that the conveying motor 17 works to drive the input belt 15 to rotate, and the display 32 is further input forwards to prepare for quality detection.
According to the embodiment, the following detailed description is provided for the output device 89, the output device 89 includes an output rotary cavity 20, an output rotary shaft 21 is rotatably disposed in the output rotary cavity 20, the output belt 22 is disposed on the output rotary shaft 21, the left end of the output rotary shaft 21 extends into the belt groove 18 and is in power connection with the input rotary shaft 13 through a power belt 19, so that the rotation of the output belt 22 is synchronous with the rotation of the input belt 15.
According to the embodiment, the following detailed description is provided for the detection device 88, the detection device 88 includes a connection groove 28 which is symmetrical left and right and is communicated with the placing cavity 26, the upper and lower end walls in the connection groove 28 are fixedly provided with the protection pads 29, and the upper end wall of the placing cavity 26 is fixedly provided with the transparent window 27, so that the display 32 is placed in the placing cavity 26, and the rotation block 23 rotates to drive the display 32 to perform different functional operation selections.
According to an embodiment, a moving device 87 is described in detail below, the moving device 87 includes a horizontal moving cavity 34 communicated with the detection cavity 11, a first lead screw 35 is rotatably mounted in the horizontal moving cavity 34, a moving motor 36 is dynamically connected to a right end of the first lead screw 35, a moving block 37 is threadedly mounted on the first lead screw 35, a sliding cavity 38 is disposed in the moving block 37, a second lead screw 40 is rotatably mounted in the sliding cavity 38, a power motor 39 is dynamically connected to a rear end of the second lead screw 40, the power motor 39 is fixedly mounted on a rear end wall of the book searching sliding cavity 38, and the sliding block 41 and the second lead screw 40 are threadedly mounted, so that the moving block 37 moves left and right when the moving motor 36 operates, and the sliding block 41 moves front and back when the power motor 39 operates.
According to the embodiment, the following detailed description is provided for the clamping device 86, the clamping device 86 includes a lifting cavity 42, a rack 50 is fixedly disposed on a right end wall of the lifting cavity 42, a lifting motor 43 is mounted on an upper end wall of the lifting cavity 42, a lifting screw 44 is dynamically mounted at a lower end of the lifting motor 43, a control shaft 45 is threadedly mounted on the lifting screw 44, a slot 46 is disposed in the control shaft 45, a straight gear 48 is rotatably disposed in the slot 46, a first bevel gear 47 is fixedly disposed on a front end surface of the straight gear 48, a second bevel gear 49 is engaged and connected to a left end of the first bevel gear 47, a transmission shaft 51 is fixedly disposed at a center of the second bevel gear 49, a transmission cavity 52 is disposed in a left end surface of the control shaft 45, a left end of the transmission shaft 51 extends into the transmission cavity 52 and is fixedly disposed with a third bevel gear 55, a rear end of the third bevel gear 55, the center of the fourth bevel gear 53 is fixedly provided with a connecting shaft 54, the front end and the rear end of the connecting shaft 54 are fixedly provided with a worm 59, the lower end of the worm 59 is connected with a worm wheel 60 in a meshing manner, the center of the worm wheel 60 is fixedly provided with a worm wheel shaft 58, and the clamping plate 56 is fixedly arranged on the worm wheel shaft 58, so that the lifting motor 43 drives the operating shaft 45 to descend when in work, and meanwhile, the straight gear 48 rotates to drive the clamping plate 56 to rotate, so that the display 32 is clamped.
The collecting device 85 is described in detail below according to an embodiment, said collecting device 85 comprising a slidable resting plate 67, a pressure spring 68 is fixedly arranged on the lower end wall of the collecting cavity 65, the upper end of the pressure spring 68 is abutted with the placing plate 67, the placing plate 67 is fixedly provided with a connecting belt 73 which is symmetrical left and right, the collecting cavity 65 is communicated with a through cavity 69 in a left and right symmetrical way, a traction wheel 71 is rotatably arranged in the through cavity 69, the connecting belt 73 is wound on the traction wheel 71, supporting pads 72 are uniformly arranged on the connecting belt 73, so that the display 32 is placed on the placing plate 67, the placing plate 67 is pressed down to descend, the connecting band 73 is rotated to the upper side of the display 32, so that the next display 32 is placed, after the display 32 in the collection cavity 65 is placed, the placing plate 67 is directly taken out.
The following describes in detail the use steps of a quality detection device for a liquid crystal display with reference to fig. 1 to 8:
initially, the left placing cavity 26 is opposite to the input rotating cavity 12, the display 32 to be detected is placed on the input belt 15, the electrical apparatus 31 is electrically connected with an external power supply, the right end face of the moving block 37 is abutted to the right end wall of the horizontal moving cavity 34, the operating shaft 45 does not obstruct rotation of the rotating block 23, the sliding block 41 is located in the middle of the sliding cavity 38, and the upper end face of the operating shaft 45 is abutted to the upper end wall of the lifting cavity 42.
During detection, the conveying motor 17 works to drive the input rotating shaft 13 to rotate, the input belt 15 rotates to drive the display 32 to move forwards, the push plate 16 pushes the display 32 to move forwards into the placing cavity 26, then the rotating motor 25 works to drive the rotating block 23 to rotate ninety degrees, so that the placing cavity 26 where the display 32 is placed rotates to a vertical state, the display 32 descends under the self gravity, the power-on port 30 is abutted to the power-on device 31 to be powered on, the display 32 is powered on to perform quality judgment according to the display effect of the liquid crystal display 33, and then the rotating motor 25 works to drive the rotating block 23 to rotate ninety degrees clockwise, so that the display 32 is in a horizontal state;
the moving motor 36 works to drive the first lead screw 35 to rotate, the moving block 37 moves leftwards, the control shaft 45 moves leftwards, the clamping plate 56 is located right above the display 32, the lifting motor 43 works to drive the lifting lead screw 44 to rotate, the control shaft 45 descends, the straight gear 48 rotates when the straight gear 48 is meshed with the rack 50, the front worm 59 and the rear worm 59 are driven to rotate through the transmission shaft 51, the worm gear 60 rotates, and the clamping plates 56 rotate oppositely to clamp the front end and the rear end of the display 32;
classifying and conveying according to the quality detection result of the display 32, when the display 32 is detected to be qualified, the power motor 39 works to drive the second lead screw 40 to rotate forward, the sliding block 41 moves forward to drive the display 32 to move forward and place on the output belt 22, when the lifting motor 43 rotates reversely, the lifting lead screw 44 rotates reversely to drive the control shaft 45 to ascend, the clamping plate 56 releases the display 32, the conveying motor 17 works to drive the output belt 22 to rotate to output the display 32 forward, when the display 32 is detected to be unqualified, the power motor 39 works to drive the second lead screw 40 to rotate reversely, the sliding block 41 moves backward, the display 32 is moved to the upper side of the collecting cavity 65, the display 32 is placed on the placing plate 67, the clamping plate 56 releases the display 32, the display 32 presses down the placing plate 67 to descend to drive the connecting belt 73 to descend, the supporting pad 72 is positioned at the upper side of the display 32 to facilitate the placement of the next display 32, and protects the display 32 from being squeezed.
The invention has the beneficial effects that: the invention drives the display to be detected to rotate through the intermittent rotation of the rotating block, sequentially carries out input, detection and classification, the display is placed in the rotating block through the input device, the rotating block rotates ninety degrees to electrify the display for quality detection, the detected display is classified according to qualification and disqualification, the qualified display is output through the output device, the disqualified display is moved into the collection cavity through the clamping device to be collected, the device can continuously carry out quality detection on each display, ensures the high quality of the display, and automatically sorts out and collects the disqualified display.
In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.
Claims (8)
1. A quality detection device of a liquid crystal display comprises a machine body, and is characterized in that:
the machine body is internally provided with a detection cavity, the front side and the rear side of the detection cavity are respectively provided with an input device and an output device, the input device comprises a rotatable input belt, push plates are uniformly and fixedly arranged on the input belt, the input belt pushes the display to move forwards into the detection cavity through the push plates when rotating, and the output device comprises a rotating output belt;
the detection device comprises a placing cavity, an electrified device is fixedly arranged on one end wall of the placing cavity close to the center of the array, and the display is moved into the placing cavity and is electrically connected with the electrified device through the rotation of the rotating block, so that the display is in a vertical state and can be electrically connected with the electrified device, and the display can be subjected to electrified quality inspection;
the display detection device is characterized in that a moving device is arranged on the right side of the detection cavity and comprises a sliding block capable of moving left and right and back and forth, a clamping device is arranged on the sliding block and comprises a liftable control shaft and a clamping plate which is symmetrical and rotatable in the front and back direction, when the connecting shaft descends, the clamping plate rotates oppositely to clamp the display, when the display detection result is qualified, the moving device works to drive the connecting shaft to move forward, the display is placed on the output belt to be output, when the display is detected to be unqualified, the connecting shaft moves backward, a collecting device is arranged on the rear side of the detection cavity, and the display which is unqualified is placed in the collecting cavity to be collected.
2. A quality inspection apparatus for a liquid crystal display as claimed in claim 1, wherein: the display right-hand member is installed and is connect the electric mouth, connect the electric mouth with circular telegram is circular telegram when circular telegram ware contact, liquid crystal display is installed to the display up end.
3. A quality inspection apparatus for a liquid crystal display as claimed in claim 1, wherein: the input device comprises an input rotary cavity communicated with the detection cavity;
the input changes the chamber rotation and is equipped with the input pivot, the input runner has set firmly in the input pivot, input drive set up in on the input runner, input changes the chamber left side and is equipped with the belt groove, the input pivot left end extends to its power connection in the belt groove is in conveying motor, conveying motor install in belt groove left end wall.
4. A quality inspection apparatus for a liquid crystal display as claimed in claim 1, wherein: the output device comprises an output rotary cavity;
the intracavity is rotated to the output and is provided with the output pivot, output area power set up in the output pivot, output pivot left end extend to in the belt groove and with connect through power belt power between the input pivot.
5. A quality inspection apparatus for a liquid crystal display as claimed in claim 1, wherein: the detection device comprises a connecting groove which is bilaterally symmetrical and communicated with the placing cavity, the upper end wall and the lower end wall in the connecting groove are fixedly provided with a protective pad, and the upper end wall of the placing cavity is fixedly provided with a transparent window.
6. A quality inspection apparatus for a liquid crystal display as claimed in claim 1, wherein: the moving device comprises a horizontal moving cavity communicated with the detection cavity;
the book searching device is characterized in that a first lead screw is rotatably mounted in the horizontal moving cavity, the right end of the first lead screw is in power connection with a moving motor, a moving block is mounted on the first lead screw in a threaded mode, a sliding cavity is arranged in the moving block, a second lead screw is rotatably mounted in the sliding cavity, the rear end of the second lead screw is in power connection with a power motor, the power motor is fixedly mounted on the rear end wall of the book searching sliding cavity, and the sliding block and the second lead screw are in threaded mounting.
7. A quality inspection apparatus for a liquid crystal display as claimed in claim 1, wherein: the clamping device comprises a lifting cavity;
a rack is fixedly arranged on the right end wall of the lifting cavity, a lifting motor is arranged on the upper end wall of the lifting cavity, a lifting screw is dynamically arranged at the lower end of the lifting motor, an operating shaft is arranged on the lifting screw in a threaded manner, a slot is formed in the operating shaft, a straight gear is rotationally arranged in the slot, a first bevel gear is fixedly arranged on the front end surface of the straight gear, a second bevel gear is connected to the left end of the first bevel gear in a meshed manner, and a transmission shaft is fixedly arranged at the center of the second bevel gear;
the left end face of the control shaft is internally provided with a transmission cavity, the left end of the transmission shaft extends into the transmission cavity and is fixedly provided with a third bevel gear, the rear end of the third bevel gear is connected with a fourth bevel gear in a meshed mode, the center of the fourth bevel gear is fixedly provided with a connecting shaft, the front end and the rear end of the connecting shaft are fixedly provided with worms, the lower end of each worm is connected with a worm wheel in a meshed mode, the center of each worm wheel is fixedly provided with a worm wheel shaft, and the clamping plate is fixedly installed on the worm wheel shaft.
8. A quality inspection apparatus for a liquid crystal display as claimed in claim 1, wherein: the collecting device comprises a slidable placing plate;
collect chamber lower extreme wall and set firmly pressure spring, pressure spring upper end with place the board butt, place and set firmly bilateral symmetry's connecting band on the board, collect chamber bilateral symmetry and communicate with each other and be equipped with logical chamber, logical intracavity internal rotation is equipped with the traction wheel, the connecting band twine in on the traction wheel just evenly install the supporting pad on the connecting band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911053340.XA CN110716331B (en) | 2019-10-31 | 2019-10-31 | Quality detection device of liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911053340.XA CN110716331B (en) | 2019-10-31 | 2019-10-31 | Quality detection device of liquid crystal display |
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| Publication Number | Publication Date |
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| CN110716331A true CN110716331A (en) | 2020-01-21 |
| CN110716331B CN110716331B (en) | 2020-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911053340.XA Expired - Fee Related CN110716331B (en) | 2019-10-31 | 2019-10-31 | Quality detection device of liquid crystal display |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111243474A (en) * | 2020-03-18 | 2020-06-05 | 玉环市瑞江电脑有限公司 | Screen dead pixel detection device of display |
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| CN1576957A (en) * | 2003-07-24 | 2005-02-09 | 夏普株式会社 | Inspection apparatus for inspecting a display module |
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| KR20190004880A (en) * | 2017-07-05 | 2019-01-15 | (주)소닉스 | IN-lINE INSPECTION SYSTEM FOR INSPECTING OBJECT RELATED TO DISPLAY MODULE |
| KR20190035199A (en) * | 2017-09-26 | 2019-04-03 | (주)소닉스 | Display module inspection system of LCM process |
| KR20190035202A (en) * | 2017-09-26 | 2019-04-03 | (주)소닉스 | Display panel inspection system of FOG process |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111243474A (en) * | 2020-03-18 | 2020-06-05 | 玉环市瑞江电脑有限公司 | Screen dead pixel detection device of display |
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| CN110716331B (en) | 2020-04-21 |
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