CN112612151A - Liquid crystal display screen compression resistance detection method - Google Patents
Liquid crystal display screen compression resistance detection method Download PDFInfo
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- CN112612151A CN112612151A CN202110083813.1A CN202110083813A CN112612151A CN 112612151 A CN112612151 A CN 112612151A CN 202110083813 A CN202110083813 A CN 202110083813A CN 112612151 A CN112612151 A CN 112612151A
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- liquid crystal
- crystal display
- sputtering
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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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0044—Pneumatic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/006—Crack, flaws, fracture or rupture
- G01N2203/0067—Fracture or rupture
Abstract
The invention discloses a liquid crystal display screen compression resistance detection method in the technical field of liquid crystal display screen compression resistance detection, which comprises the following specific steps: the method comprises the following steps: cleaning the upper surface and the lower surface of the liquid crystal display screen; step two: placing the liquid crystal display screen in a compression-resistant detection device for compression-resistant detection; step three: after the detection is finished, the compression-resistant detection device is restored to the initial state and cleaning is automatically finished, and then the liquid crystal display screen is manually taken out of the compression-resistant detection device; according to the invention, the U-shaped anti-sputtering plate is butted with the front end anti-sputtering plate to form a sealed detection space, so that liquid crystal broken slag is prevented from splashing, when the pressure detection plate rises, the scraper plate is automatically driven to clean the bottom surface of the pressure detection plate, so that the broken slag falls into the U-shaped anti-sputtering plate, and then the pushing mechanism is used for automatically discharging all the broken slag collected in the U-shaped anti-sputtering plate, so that manual cleaning is not needed, and the broken slag on the pressure detection equipment is thoroughly cleaned.
Description
Technical Field
The invention relates to the technical field of liquid crystal display screen compression resistance detection, in particular to a liquid crystal display screen compression resistance detection method.
Background
The liquid crystal display screen needs to be subjected to compression resistance detection in the production process, if the product is unqualified, the product cannot be put into the market, and the product is regarded as a defective product, so that the continuous operation of a manufacturer needs to ensure the quality of the product, and the compression resistance detection of the display screen is particularly important.
In the case of the invention for detecting the compression resistance of the liquid crystal display screen disclosed in the prior art, a Chinese patent with the patent application number of CN201920962597.6 is invented, and the compression resistance detection device for producing the liquid crystal display screen comprises an operation table, wherein driving motors are symmetrically arranged at the bottom of the operation table, fixed blocks are fixedly arranged on the upper surface of a cross rod, baffles are fixedly arranged on the inner surface of a connecting plate, a pressure sensor is arranged at the bottom of a workpiece, first side plates are respectively arranged at the front end and the rear end of a bottom plate, bearing blocks are fixedly arranged on the outer sides of the first side plates, a connecting rod is arranged in the limiting blocks in a penetrating mode, a pressing plate is arranged right above the workpiece, the top ends of inclined rods are connected with cross blocks, the left ends of extrusion rods are connected with a handle, a bolt is arranged at the.
Prior art is carrying out pressure detection to liquid crystal display time measuring, part liquid crystal display can appear bearing failure to detect pressure and cracked phenomenon because of the unqualified quality can be when pressure detection, liquid crystal display cracked back, the liquid crystal display disintegrating slag can the adhesion in the pressure detection board bottom, can influence the normal detection of follow-up liquid crystal display resistance to compression, need the manual work to clear up the disintegrating slag admittedly, but when the manual work is cleared up the liquid crystal display disintegrating slag, just need reserve certain shut down clearing-up time, lead to the pressure detection efficiency step-down indirectly, in addition when clearing up the liquid crystal display disintegrating slag, still can lead to personnel to be injured.
Based on the above, the invention designs a liquid crystal display screen compression resistance detection method to solve the above problems.
Disclosure of Invention
The invention aims to provide a liquid crystal display screen compression-resistant detection method, which solves the problems that when the liquid crystal display screen is subjected to pressure detection in the prior art provided by the background art, part of the liquid crystal display screen can not bear the detection pressure and can be cracked due to unqualified quality during the pressure detection, after the liquid crystal display screen is cracked, the broken slag of the liquid crystal display screen can be adhered to the bottom of a pressure detection plate, the subsequent normal detection of the compression resistance of the liquid crystal display screen can be influenced, the broken slag needs to be manually cleaned, but when the broken slag of the liquid crystal display screen is manually cleaned, a certain shutdown cleaning time needs to be reserved, the pressure detection efficiency is reduced indirectly, and in addition, personnel can be injured when the broken slag of the liquid crystal display screen is cleaned.
In order to achieve the purpose, the invention provides the following technical scheme: a liquid crystal display screen compression resistance detection method comprises the following specific steps:
the method comprises the following steps: cleaning the upper surface and the lower surface of the liquid crystal display screen;
step two: placing the liquid crystal display screen in a compression-resistant detection device for compression-resistant detection;
step three: after the detection is finished, the compression-resistant detection device is restored to the initial state and cleaning is automatically finished, and then the liquid crystal display screen is manually taken out of the compression-resistant detection device;
wherein, the compression-resistant detection device comprises a workbench, the top of the workbench is fixedly connected with a U-shaped support frame, the middle position of the bottom of the U-shaped support frame is fixedly connected with a telescopic cylinder, the bottom of the telescopic cylinder is fixedly connected with a pressure detection plate, the bottom of the pressure detection plate is provided with an accommodating groove, the inside of the accommodating groove is slidably connected with a scraping plate, the inner end of the scraping plate is fixedly connected with a rotating shaft of a boss type, the top end of the rotating shaft is fixedly connected with a first gear, the inside of the pressure detection plate is provided with a third groove for the first gear to move up and down, the top surface inside the third groove is fixedly connected with a second spring, the bottom end of the second spring is fixedly connected with a pressing plate, the pressing plate is contacted with the top of the first gear, the first gear is meshed with a, a second gear is meshed with the left side of the first gear, a first rotating rod is fixedly connected to the middle of the second gear, the top end of the first rotating rod penetrates through the pressure detection plate and is in rotating connection with the pressure detection plate, a worm wheel is fixedly connected to the outer surface of the first rotating rod, a rectangular support plate is fixedly connected to the top of the pressure detection plate, a worm is rotatably connected to the right side wall of the rectangular support plate, a third gear is fixedly connected to the right end of the worm, the third gear is meshed with a second rack, the second rack is fixedly connected to the outer side wall of the telescopic cylinder, and the first gear is connected with a vibration mechanism for knocking the top of the rotating shaft;
the anti-sputtering mechanism is arranged on the top surface of the workbench and comprises a U-shaped anti-sputtering plate fixed in the middle of the top surface of the workbench, U-shaped chutes are formed in the top ends of two arms of the U-shaped anti-sputtering plate, the two U-shaped chutes are assembled with a front end anti-sputtering plate in a sliding mode together, a first spring is fixedly connected to the bottom surface of the front side of the front end anti-sputtering plate, an avoiding groove for accommodating the front end anti-sputtering plate and the first spring is formed in the top surface of the workbench, the bottom end of the first spring is fixedly connected to the inner wall of the avoiding groove, two L-shaped adjusting plates are fixedly connected to the front side of the top of the pressure detection plate, first connecting plates are fixedly connected to the left side and the right side of the top of the workbench, first guide wheels are rotatably connected to the inner sides of the two first connecting plates and are positioned on the outer sides of the U-shaped anti-, the inner sides of the four second connecting plates are rotatably connected with second guide wheels, the front sides of the two L-shaped adjusting plates are fixedly connected with pull ropes, the bottom ends of the pull ropes are fixedly connected with the bottom end of a front-end anti-sputtering plate by bypassing the first guide wheels and the two second guide wheels, and the rear side of the U-shaped anti-sputtering plate is connected with a push-out mechanism for discharging liquid crystal broken slag;
when the invention is used for detecting the liquid crystal display screen, the telescopic cylinder is controlled to contract, the pressure detection plate is taken up by the telescopic cylinder, the pressure detection plate pulls the pull rope through the L-shaped adjusting plate to enable the front-end anti-sputtering plate to move downwards and retract into the workbench to open the U-shaped anti-sputtering plate, so that personnel can conveniently load the liquid crystal display screen from the opening of the U-shaped anti-sputtering plate, push the liquid crystal display screen into the U-shaped anti-sputtering plate by the personnel, then the telescopic cylinder is controlled to extend out to drive the pressure detection plate to move downwards for detection, the pressure detection plate moves downwards to drive the L-shaped adjusting plate to move downwards together, the tensioning on the front-end anti-sputtering plate is released, the front-end anti-sputtering plate extends upwards under the action of the first spring to seal the front end of the U-shaped anti-sputtering plate to form a return-shaped fully-sealed detection environment with the U-shaped anti-sputtering plate, and, the safety of pressure detection is improved, when the pressure detection plate moves to the top of the U-shaped anti-sputtering plate, the front end anti-sputtering plate and the U-shaped anti-sputtering plate just form a whole, at the moment, the L-shaped adjusting plate is still positioned above the first guide wheel, when the pressure detection plate continues to descend for detection, the pull rope is still loosened to ensure that the front end anti-sputtering plate and the U-shaped anti-sputtering plate form a whole all the time during detection, after the pressure detection plate is contacted with the liquid crystal display screen, the scraper and the rotating shaft are firstly extruded to be contracted into the accommodating groove to form a plane with the bottom surface of the pressure detection plate, at the moment, the third gear is separated from the second rack, after the detection is finished, the stretching cylinder drives the pressure detection plate to ascend, the scraper and the rotating shaft pop up under the action of the second spring to enable the scraper to be positioned at the bottom of the pressure detection plate, the first gear is matched with the first rack, the third gear rotates under the action of the second rack, the first rotating rod is driven to rotate through the transmission of the worm turbine, the second gear is driven to rotate, the first rack drives the first gear to rotate, the rotating shaft and the scraper are driven to rotate, the scraper scrapes the bottom surface of the pressure detection plate, the broken slag adhered to the bottom surface of the pressure detection plate is cleaned, the influence of the broken slag adhered to the bottom of the pressure detection plate on next detection is avoided, when the pressure detection plate rises to the top of the U-shaped anti-sputtering plate, the scraper just scrapes the pressure detection plate in integral multiple rotation to return to the initial position, the third gear is separated from the second rack and does not drive the scraper to rotate, the broken slag at the bottom of the pressure detection plate is cleaned inside the U-shaped anti-sputtering plate, the broken slag is prevented from splashing by the scraper, the broken slag is guaranteed to completely fall into the U-shaped anti-sputtering plate, the broken slag is cleaned favorably, and when, the pull rope pulls the front-end anti-sputtering plate to retract the front-end anti-sputtering plate into the workbench, the pushing mechanism pushes out the broken slag of the liquid crystal display screen, all the broken slag in the U-shaped anti-sputtering plate is automatically cleaned, personnel is not needed to participate, the pressure detection is conveniently and quickly completed once, and therefore the pressure detection of the liquid crystal display screen is realized each time, in conclusion, the U-shaped anti-sputtering plate is butted with the front-end anti-sputtering plate to form a sealed detection space, the liquid crystal broken slag is prevented from splashing, when the pressure detection plate rises, the scraper is automatically driven to clean the bottom surface of the pressure detection plate, the broken slag falls into the U-shaped anti-sputtering plate, then the pushing mechanism is used for automatically discharging all the broken slag collected in the U-shaped anti-sputtering plate, the manual cleaning is not needed, and the problem that when the pressure detection is carried out on the liquid crystal display screen in the prior art is solved, and part of the liquid crystal display screen can not bear the detection pressure and is cracked because of, liquid crystal display cracked back, the liquid crystal display disintegrating slag can the adhesion in pressure detection board bottom, can influence the normal measuring of follow-up liquid crystal display resistance to compression, need the manual work to clear up the disintegrating slag admittedly, but when the manual work cleared up the liquid crystal display disintegrating slag, just need reserve certain shut down clearance time, leads to the pressure measurement efficiency step-down indirectly, in addition when clearing up the liquid crystal display disintegrating slag, still can lead to personnel injured's problem.
As a further scheme of the invention, the vibration mechanism comprises a rotating disc, the rotating disc is fixedly connected to the top end of the first gear, the bottom of the rotating disc is fixedly connected with a plurality of guide blocks which are circumferentially arranged along the bottom of the rotating disc in an array manner, the top of the rotating shaft is contacted with a top rod, the top end of the top rod is contacted with the guide blocks, the outer surface of the top rod, close to the top, is fixedly connected with a positioning ring, the bottom of the positioning ring is fixedly connected with a third spring, the bottom end of the third spring is fixedly connected to the bottom surface inside the third groove, and the top of the rotating shaft is provided with; when the automatic cleaning device works, when the scraping plate, the rotating shaft and the bottom of the pressure detection plate form a pressure detection surface, partial broken slag can remain at the bottom of the rotating shaft and is difficult to automatically clean, the rotating disc is driven to rotate through the rotation of the first gear, the guide block is driven to rotate and acts with the ejector rod, the ejector rod can quickly knock the rotating shaft under the action of the guide block and the third spring to vibrate the rotating shaft, the broken slag at the bottom of the rotating shaft is shaken off and is cleaned, after the scraping of the scraping plate is completed, the rotating shaft drives the scraping plate to return to the initial position, the ejector rod is aligned with the slot at the bottom of the ejector rod again, when the scraping plate is extruded by the liquid crystal display screen to move upwards, the ejector rod can be inserted into the slot at the bottom of the ejector rod, the influence of the scraping of the ejector rod on sliding into the accommodating groove is avoided, and the broken slag at the bottom of the rotating, thoroughly clean up the liquid crystal disintegrating slag.
As a further scheme of the invention, the left side wall and the right side wall of the U-shaped anti-sputtering plate are both connected with elastic positioning mechanisms for clamping the liquid crystal display screen, each elastic positioning mechanism comprises a positioning plate, the outer side wall of each positioning plate is fixedly connected with a first slide bar, the outer end of each first slide bar penetrates through the U-shaped anti-sputtering plate and is fixedly connected with a baffle ring, and a fourth spring is sleeved on each first slide bar; the during operation, because liquid crystal display is when pushing the U type and preventing the splash board, can take place to rotate, when pushing the U type through liquid crystal display and preventing in the splash board, two locating plates about the extrusion make liquid crystal display be located between two locating plates, after liquid crystal display is pushed the position, two locating plates extrusion liquid crystal display under the fourth spring action, make liquid crystal display adjust well.
As a further scheme of the invention, the push-out mechanism comprises a first baffle, an electric cylinder is fixedly connected to the front side of the first baffle, a push plate is fixedly connected to the front end of the electric cylinder, the push plate is slidably connected to the inner side wall of the U-shaped anti-sputtering plate, and the top end of the push plate is lower than the positioning plate; the during operation, because the disintegrating slag falls on the U type completely and prevents sputtering the board after, need clear up it, through starting the electric jar, drive the push pedal and move forward, will be located the inside disintegrating slag release of U type anti-sputtering board, push away in the collecting box, avoid personnel to contact the disintegrating slag, improve the security of production.
As a further scheme of the invention, the two baffle rings are fixedly connected with an L-shaped connecting plate, the front side of the L-shaped connecting plate is fixedly connected with a positioning block, the bottom of the L-shaped connecting plate is slidably connected with an L-shaped supporting plate, the L-shaped supporting plate is fixedly connected to the outer side wall of the U-shaped sputtering-proof plate, and the bottom of the U-shaped sputtering-proof plate is provided with a positioning groove; the during operation, because the front end prevents that the splash board is driven by the stay cord and withdraws inside the workstation when, the stay cord needs to continuously pull the front end and prevents the splash board, long-time repetitious action, can damage the stay cord, when preventing that the splash board is pulled back inside the workstation through the front end, locating plate and first slide bar move to the inboard under the fourth spring action, it moves to the inboard together to drive fender ring and L type connecting plate, it slides in the constant head tank to drive the locating piece, it compresses tightly to prevent the splash board to the front end, alleviate the continuous effort of front end prevent that the splash board is to the stay cord, avoid the stay cord to stimulate for a long time and.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the liquid crystal display screen is subjected to pressure detection each time, the U-shaped anti-sputtering plate is butted with the front-end anti-sputtering plate to form a sealed detection space, liquid crystal broken slag is prevented from splashing, when the pressure detection plate rises, the scraper plate is automatically driven to clean the bottom surface of the pressure detection plate, the broken slag falls into the U-shaped anti-sputtering plate, and then the pushing mechanism is used for automatically discharging all the broken slag collected in the U-shaped anti-sputtering plate without manual cleaning, so that the broken slag on the pressure detection equipment is thoroughly cleaned.
2. According to the invention, the rotating disc is driven to rotate when the first gear rotates, the guide block is driven to rotate, and the guide block and the ejector rod act, so that the ejector rod quickly strikes the rotating shaft under the action of the guide block and the third spring, the rotating shaft is vibrated, and crushed slag at the bottom of the rotating shaft is shaken off and cleaned, so that after each detection is completed, the crushed slag at the bottom of the rotating shaft is shaken off, the crushed slag completely falls into the U-shaped anti-sputtering plate, and the liquid crystal crushed slag is thoroughly cleaned.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flow chart of a method for detecting pressure of a liquid crystal display panel according to the present invention;
FIG. 2 is a first perspective view of the overall construction of the present invention;
FIG. 3 is a second perspective cross-sectional view of the general construction of the invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 3;
FIG. 5 is an enlarged view of the structure at B in FIG. 3;
FIG. 6 is an enlarged view of the structure at C in FIG. 3;
FIG. 7 is a schematic view of the internal structure of the pressure sensing plate of the present invention;
FIG. 8 is a schematic view of the construction of the carrier rod and guide block of the present invention;
FIG. 9 is a third perspective view of the general construction of the present invention;
FIG. 10 is an enlarged view of the structure of FIG. 9 at D;
FIG. 11 is a schematic view of a sputtering-proof plate structure according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
a workbench 1, a U-shaped anti-sputtering plate 2, a U-shaped chute 3, a front end anti-sputtering plate 4, a first spring 5, an avoiding groove 6, a U-shaped supporting frame 7, a telescopic cylinder 8, a pressure detection plate 9, an L-shaped adjusting plate 10, a first connecting plate 11, a first guide wheel 12, a second connecting plate 13, a second guide wheel 14, a pull rope 15, a scraping plate 16, a rotating shaft 17, an accommodating groove 18, a first gear 19, a third groove 20, a second spring 21, a pressing plate 22 and a first rack 23, the device comprises a second gear 24, a first rotating rod 25, a worm wheel 26, a rectangular supporting plate 27, a worm 28, a third gear 29, a second rack 30, a rotating disc 31, a guide block 32, a top rod 33, a positioning ring 34, a third spring 35, a positioning plate 36, a first sliding rod 37, a retaining ring 38, a fourth spring 39, a first baffle plate 40, an electric cylinder 41, a push plate 42, an L-shaped connecting plate 43, a positioning block 44, an L-shaped supporting plate 45 and a positioning groove 46.
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.
Referring to fig. 1-11, the present invention provides a technical solution: a liquid crystal display screen compression resistance detection method comprises the following specific steps:
the method comprises the following steps: cleaning the upper surface and the lower surface of the liquid crystal display screen;
step two: placing the liquid crystal display screen in a compression-resistant detection device for compression-resistant detection;
step three: after the detection is finished, the compression-resistant detection device is restored to the initial state and cleaning is automatically finished, and then the liquid crystal display screen is manually taken out of the compression-resistant detection device;
wherein, the second step, the third step, the compression-resistant detection device comprises a workbench 1, the top of the workbench 1 is fixedly connected with a U-shaped support frame 7, the middle position of the bottom of the U-shaped support frame 7 is fixedly connected with a telescopic cylinder 8, the bottom end of the telescopic cylinder 8 is fixedly connected with a pressure detection plate 9, the bottom of the pressure detection plate 9 is provided with an accommodating groove 18, the inside of the accommodating groove 18 is slidably connected with a scraper 16, the inner end of the scraper 16 is fixedly connected with a boss-shaped rotating shaft 17, the top end of the rotating shaft 17 is fixedly connected with a first gear 19, the inside of the pressure detection plate 9 is provided with a third groove 20 for the first gear 19 to move up and down, the top surface inside of the third groove 20 is fixedly connected with a second spring 21, the bottom end of the second spring 21 is fixedly connected with a pressing plate 22, the pressing plate 22, a second gear 24 is meshed with the left side of the first gear 19, a first rotating rod 25 is fixedly connected to the middle of the second gear 24, the top end of the first rotating rod 25 penetrates through the pressure detection plate 9 and is rotatably connected with the same, a worm wheel 26 is fixedly connected to the outer surface of the first rotating rod 25, a rectangular support plate 27 is fixedly connected to the top of the pressure detection plate 9, a worm 28 is rotatably connected to the right side wall of the rectangular support plate 27, a third gear 29 is fixedly connected to the right end of the worm 28, a second rack 30 is meshed with the third gear 29, the second rack 30 is fixedly connected to the outer side wall of the telescopic cylinder 8, and the first gear 19 is connected with a vibration mechanism for knocking the top of the;
the top surface of a workbench 1 is provided with an anti-sputtering mechanism, the anti-sputtering mechanism comprises a U-shaped anti-sputtering plate 2 fixed in the middle of the top surface of the workbench 1, the top ends of two arms of the U-shaped anti-sputtering plate 2 are respectively provided with a U-shaped chute 3, the two U-shaped chutes 3 are jointly assembled with a front end anti-sputtering plate 4 in a sliding manner, the bottom surface of the front side of the front end anti-sputtering plate 4 is fixedly connected with a first spring 5, the top surface of the workbench 1 is provided with an avoiding groove 6 for accommodating the front end anti-sputtering plate 4 and the first spring 5, the bottom end of the first spring 5 is fixedly connected on the inner wall of the avoiding groove 6, the front side of the top of a pressure detection plate 9 is fixedly connected with two L-shaped adjusting plates 10, the left side and the right side of the top of the workbench 1 are respectively and fixedly connected with first connecting plates 11, the inner sides of the two first connecting plates 11 are respectively and rotatably connected, the inner sides of the four second connecting plates 13 are rotatably connected with second guide wheels 14, the front sides of the two L-shaped adjusting plates 10 are fixedly connected with pull ropes 15, the bottom ends of the pull ropes 15 are fixedly connected with the bottom ends of the front-end sputtering-proof plates 4 by bypassing the first guide wheels 12 and the two second guide wheels 14, and the rear sides of the U-shaped sputtering-proof plates 2 are connected with pushing mechanisms for discharging liquid crystal slag;
when the invention is used for detecting the liquid crystal display screen, the telescopic cylinder 8 is controlled to contract, the pressure detection plate 9 is taken up by the telescopic cylinder 8, the pressure detection plate 9 pulls the pull rope 15 through the L-shaped adjusting plate 10, so that the front end anti-sputtering plate 4 moves downwards and retracts into the workbench 1, the U-shaped anti-sputtering plate 2 is opened, a person can conveniently lift the liquid crystal display screen from the opening of the U-shaped anti-sputtering plate 2, the person pushes the liquid crystal display screen into the U-shaped anti-sputtering plate 2, then the telescopic cylinder 8 is controlled to extend out to drive the pressure detection plate 9 to move downwards for detection, the pressure detection plate 9 moves downwards to drive the L-shaped adjusting plate 10 to move downwards together, the tensioning of the front end anti-sputtering plate 4 is released, the front end anti-sputtering plate 4 extends upwards under the action of the first spring 5, the front end of the U-sputtering plate 2 is sealed, and forms a return-shaped full-sealing detection environment with the U, when the pressure detection plate 9 moves to the top of the U-shaped anti-sputtering plate 2, the front-end anti-sputtering plate 4 and the U-shaped anti-sputtering plate 2 just form a whole, at the moment, the L-shaped adjusting plate 10 is still positioned above the first guide wheel 12, when the pressure detection plate 9 continues to descend for detection, the pull rope 15 is still loosened to ensure that the front-end anti-sputtering plate 4 and the U-shaped anti-sputtering plate 2 are always integrated during detection, after the pressure detection plate 9 is contacted with the liquid crystal display, the scraper 16 and the rotating shaft 17 are firstly extruded to enable the scraper 16 and the rotating shaft 17 to retract into the accommodating groove 18 to form a plane with the bottom surface of the pressure detection plate 9, at the moment, the third gear 29 is separated from the second rack 30, after detection is finished, the stretching cylinder drives the pressure detection plate 9 to ascend, the scraper 16 and the rotating shaft 17 pop up under the action of the second spring 21, the scraping plate 16 is positioned at the bottom of the pressure detection plate 9, the first gear 19 is matched with the first rack 23, the pressure detection plate 9 rises to drive the worm 28 and the third gear 29 to rise together through the rectangular supporting plate 27, the third gear 29 rotates under the action of the second rack 30, the worm 28 drives the first rotating rod 25 to rotate through turbine transmission, the second gear 24 is driven to rotate, the first rack 23 drives the first gear 19 to rotate, the rotating shaft 17 and the scraping plate 16 are driven to rotate, the scraping plate 16 scrapes the bottom surface of the pressure detection plate 9, the crushed slag adhered to the bottom surface of the pressure detection plate 9 is cleaned, the influence of the crushed slag adhered to the bottom of the pressure detection plate 9 on next detection is avoided, when the pressure detection plate 9 rises to the top of the U-shaped anti-sputtering plate 2, the scraping plate 16 just scrapes the pressure detection plate 9 by integral multiple of rotation to return to the initial position, the third gear 29 is separated from, in conclusion, the invention utilizes the butt joint of the U-shaped anti-sputtering plate 2 and the front-end anti-sputtering plate 4 to form a sealed detection space to avoid the splashing of the liquid crystal broken slag, and automatically drives the scraper plate 16 to clean the bottom surface of the pressure detection plate 9 when the pressure detection plate 9 rises, make the disintegrating slag fall in the U type 2 insides of sputtering board, recycle the automatic disintegrating slag that will all collect in the U type 2 of sputtering board of ejecting mechanism and discharge, need not artifical clearance, it is when carrying out pressure detection to liquid crystal display to have solved prior art, some liquid crystal display can appear not bearing detection pressure and cracked phenomenon because of the unqualified quality when pressure detection, liquid crystal display is cracked back, liquid crystal display disintegrating slag can the adhesion in pressure detection board 9 bottom, can influence the normal detection of follow-up liquid crystal display resistance to compression, need artifically to clear up the disintegrating slag admittedly, nevertheless when artifical liquid crystal display disintegrating slag clears up, just need reserve certain shut down clearance time, lead to the pressure detection efficiency step-down indirectly, in addition when clearing up liquid crystal display disintegrating slag, still can lead to injured personnel's problem.
As a further scheme of the present invention, the vibration mechanism includes a rotating disc 31, the rotating disc 31 is fixedly connected to the top end of the first gear 19, the bottom of the rotating disc 31 is fixedly connected with a plurality of guide blocks 32 arranged along the circumferential direction of the bottom of the rotating disc 31, the top of the rotating shaft 17 is contacted with a top rod 33, the top end of the top rod 33 is contacted with the guide blocks 32, the outer surface of the top rod 33 close to the top is fixedly connected with a positioning ring 34, the bottom of the positioning ring 34 is fixedly connected with a third spring 35, the bottom end of the third spring 35 is fixedly connected to the bottom surface inside the third groove 20, and the top of the rotating shaft 17; when the automatic scraping device works, when the scraping plate 16, the rotating disc 31 are driven to rotate by the rotation of the first gear 19, the guide block 32 is driven to rotate and act with the ejector rod 33, so that the ejector rod 33 quickly strikes the rotating shaft 17 under the action of the guide block 32 and the third spring 35, the rotating shaft 17 vibrates, the crushed slag at the bottom of the rotating shaft 17 is shaken off and cleaned, after the scraping of the scraping plate 16 is completed, the rotating shaft 17 drives the scraping plate 16 to return to the initial position, so that the ejector rod 33 is aligned with the slot at the bottom of the ejector rod 33 again, when the scraping plate 16 is extruded by the liquid crystal display screen to move upwards, the ejector rod 33 can be inserted into the slot at the bottom of the ejector rod 33, the influence of the scraping plate 16 on sliding into the accommodating groove 18 is avoided, and after each detection is completed, the broken slag at the bottom of the rotating shaft 17 is shaken off, so that the broken slag is completely fallen into the U-shaped anti-sputtering plate 2, and the broken slag of the liquid crystal is thoroughly cleaned.
As a further scheme of the invention, the left and right side walls of the U-shaped anti-sputtering plate 2 are both connected with an elastic positioning mechanism for clamping the liquid crystal display screen, the elastic positioning mechanism comprises a positioning plate 36, the outer side wall of the positioning plate 36 is fixedly connected with a first slide bar 37, the outer end of the first slide bar 37 penetrates through the U-shaped anti-sputtering plate 2 and is fixedly connected with a baffle ring 38, and a fourth spring 39 is sleeved on the first slide bar 37; the during operation, when preventing splash plate 2 because liquid crystal display is pushed the U type, probably take place to rotate, when preventing splash plate 2 in through the liquid crystal display pushing the U type, two locating plates 36 about the extrusion make liquid crystal display be located between two locating plates 36, after liquid crystal display was pushed the position, two locating plates 36 extrusion liquid crystal display under the effect of fourth spring 39, make liquid crystal display adjust well.
As a further scheme of the invention, the pushing mechanism comprises a first baffle 40, an electric cylinder 41 is fixedly connected to the front side of the first baffle 40, a push plate 42 is fixedly connected to the front end of the electric cylinder 41, the push plate 42 is slidably connected to the inner side wall of the U-shaped anti-sputtering plate 2, and the top end of the push plate 42 is lower than the positioning plate 36; during operation, because the disintegrating slag falls on U type anti-sputtering board 2 back completely, need clear up it, through starting electric cylinder 41, drive push pedal 42 and move forward, will be located the inside disintegrating slag release of U type anti-sputtering board 2, push away in the collecting box, avoid personnel to contact the disintegrating slag, improve the security of production.
As a further scheme of the invention, the two baffle rings 38 are fixedly connected with an L-shaped connecting plate 43, the front side of the L-shaped connecting plate 43 is fixedly connected with a positioning block 44, the bottom of the L-shaped connecting plate 43 is slidably connected with an L-shaped supporting plate 45, the L-shaped supporting plate 45 is fixedly connected on the outer side wall of the U-shaped anti-sputtering plate 2, and the bottom of the U-shaped anti-sputtering plate 2 is provided with a positioning groove 46; the during operation, because front end anti-sputtering board 4 is driven by stay cord 15 and is retracted during workstation 1 is inside, stay cord 15 need continuously pull front end anti-sputtering board 4, long-time multiple action, stay cord 15 may be damaged, through when front end anti-sputtering board 4 is pulled back workstation 1 is inside, locating plate 36 and first slide bar 37 move to the inboard under fourth spring 39 effects, it moves to the inboard together to drive fender ring 38 and L type connecting plate 43, it slides in constant head tank 46 to drive locating piece 44, compress tightly front end anti-sputtering board 4, alleviate the lasting effort of front end anti-sputtering board 4 to stay cord 15, avoid stay cord 15 to stimulate for a long time and damage.
The working principle is as follows: when the liquid crystal display screen is detected, the telescopic cylinder 8 is controlled to contract during operation, the pressure detection plate 9 is taken up by the telescopic cylinder 8, the pressure detection plate 9 pulls the pull rope 15 through the L-shaped adjusting plate 10, the front end anti-sputtering plate 4 moves downwards and retracts into the workbench 1, the U-shaped anti-sputtering plate 2 is opened, a person can conveniently lift the liquid crystal display screen from the opening of the U-shaped anti-sputtering plate 2, the person pushes the liquid crystal display screen into the U-shaped anti-sputtering plate 2, then the telescopic cylinder 8 is controlled to extend out to drive the pressure detection plate 9 to move downwards for detection, the pressure detection plate 9 moves downwards to drive the L-shaped adjusting plate 10 to move downwards together, the front end anti-sputtering plate 4 is loosened, the front end anti-sputtering plate 4 extends upwards under the action of the first spring 5, the front end of the U-sputtering plate 2 is sealed, and a return-shaped full-sealing detection environment is formed with the U-sputtering plate 2, when the pressure detection plate 9 moves to the top of the U-shaped anti-sputtering plate 2, the front-end anti-sputtering plate 4 and the U-shaped anti-sputtering plate 2 just form a whole, at the moment, the L-shaped adjusting plate 10 is still positioned above the first guide wheel 12, when the pressure detection plate 9 continues to descend for detection, the pull rope 15 is still loosened to ensure that the front-end anti-sputtering plate 4 and the U-shaped anti-sputtering plate 2 are always integrated during detection, after the pressure detection plate 9 is contacted with the liquid crystal display, the scraper 16 and the rotating shaft 17 are firstly extruded to enable the scraper 16 and the rotating shaft 17 to retract into the accommodating groove 18 to form a plane with the bottom surface of the pressure detection plate 9, at the moment, the third gear 29 is separated from the second rack 30, after detection is finished, the stretching cylinder drives the pressure detection plate 9 to ascend, the scraper 16 and the rotating shaft 17 pop up under the action of the second spring 21, the scraping plate 16 is positioned at the bottom of the pressure detection plate 9, the first gear 19 is matched with the first rack 23, the pressure detection plate 9 rises to drive the worm 28 and the third gear 29 to rise together through the rectangular supporting plate 27, the third gear 29 rotates under the action of the second rack 30, the worm 28 drives the first rotating rod 25 to rotate through turbine transmission, the second gear 24 is driven to rotate, the first rack 23 drives the first gear 19 to rotate, the rotating shaft 17 and the scraping plate 16 are driven to rotate, the scraping plate 16 scrapes the bottom surface of the pressure detection plate 9, the crushed slag adhered to the bottom surface of the pressure detection plate 9 is cleaned, the influence of the crushed slag adhered to the bottom of the pressure detection plate 9 on next detection is avoided, when the pressure detection plate 9 rises to the top of the U-shaped anti-sputtering plate 2, the scraping plate 16 just scrapes the pressure detection plate 9 by integral multiple of rotation to return to the initial position, the third gear 29 is separated from, in conclusion, the invention utilizes the butt joint of the U-shaped anti-sputtering plate 2 and the front-end anti-sputtering plate 4 to form a sealed detection space to avoid the splashing of the liquid crystal broken slag, and automatically drives the scraper plate 16 to clean the bottom surface of the pressure detection plate 9 when the pressure detection plate 9 rises, make the disintegrating slag fall in the U type 2 insides of sputtering board, recycle the automatic disintegrating slag that will all collect in the U type 2 of sputtering board of ejecting mechanism and discharge, need not artifical clearance, it is when carrying out pressure detection to liquid crystal display to have solved prior art, some liquid crystal display can appear not bearing detection pressure and cracked phenomenon because of the unqualified quality when pressure detection, liquid crystal display is cracked back, liquid crystal display disintegrating slag can the adhesion in pressure detection board 9 bottom, can influence the normal detection of follow-up liquid crystal display resistance to compression, need artifically to clear up the disintegrating slag admittedly, nevertheless when artifical liquid crystal display disintegrating slag clears up, just need reserve certain shut down clearance time, lead to the pressure detection efficiency step-down indirectly, in addition when clearing up liquid crystal display disintegrating slag, still can lead to injured personnel's problem.
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 preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. A liquid crystal display screen compression resistance detection method is characterized in that: the detection method comprises the following specific steps:
the method comprises the following steps: cleaning the upper surface and the lower surface of the liquid crystal display screen;
step two: placing the liquid crystal display screen in a compression-resistant detection device for compression-resistant detection;
step three: after the detection is finished, the compression-resistant detection device is restored to the initial state and cleaning is automatically finished, and then the liquid crystal display screen is manually taken out of the compression-resistant detection device;
wherein, in the second step and the third step, the compression resistance detection device comprises a workbench (1), the top of the workbench (1) is fixedly connected with a U-shaped support frame (7), the middle position of the bottom of the U-shaped support frame (7) is fixedly connected with a telescopic cylinder (8), the bottom end of the telescopic cylinder (8) is fixedly connected with a pressure detection plate (9), the bottom of the pressure detection plate (9) is provided with a containing groove (18), a scraper (16) is slidably connected inside the containing groove (18), the inner end of the scraper (16) is fixedly connected with a boss-shaped rotating shaft (17), the top end of the rotating shaft (17) is fixedly connected with a first gear (19), a third groove (20) for the first gear (19) to move up and down is formed inside the pressure detection plate (9), and the top surface inside the third groove (20) is fixedly connected with a, the bottom end of the second spring (21) is fixedly connected with a pressing plate (22), the pressing plate (22) is in contact with the top of a first gear (19), the first gear (19) is meshed with a first rack (23), the first rack (23) is connected inside a pressure detection plate (9) in a sliding mode, the left side of the first gear (19) is meshed with a second gear (24), the middle of the second gear (24) is fixedly connected with a first rotating rod (25), the top end of the first rotating rod (25) penetrates through the pressure detection plate (9) and is rotatably connected with the same, a worm wheel (26) is fixedly connected onto the outer surface of the first rotating rod (25), a rectangular supporting plate (27) is fixedly connected onto the top of the pressure detection plate (9), a worm (28) is rotatably connected onto the right side wall of the rectangular supporting plate (27), and a third gear (29) is fixedly connected onto the right end of the worm (28, third gear (29) meshing has second rack (30), second rack (30) fixed connection is on telescopic cylinder's (8) lateral wall, first gear (19) are connected with and are used for knocking the vibrations mechanism at axis of rotation (17) top.
2. The liquid crystal display screen compression-resistant detection method of claim 1, characterized in that: the anti-sputtering device is characterized in that an anti-sputtering mechanism is arranged on the top surface of the workbench (1), the anti-sputtering mechanism comprises a U-shaped anti-sputtering plate (2) fixed in the middle of the top surface of the workbench (1), U-shaped sliding grooves (3) are formed in the top ends of two arms of the U-shaped anti-sputtering plate (2), two U-shaped sliding grooves (3) are assembled on the front end anti-sputtering plate (4) in a sliding mode, a first spring (5) is fixedly connected to the bottom surface of the front side of the front end anti-sputtering plate (4), an avoiding groove (6) used for containing the front end anti-sputtering plate (4) and the first spring (5) is formed in the top surface of the workbench (1), the bottom end of the first spring (5) is fixedly connected to the inner wall of the avoiding groove (6), two L-shaped adjusting plates (10) are fixedly connected to the front side of the top of the pressure detection plate (9), first connecting plates, two first connecting plate (11) inboard all rotates and is connected with first guide pulley (12), first guide pulley (12) are located the outside of U type splash board (2), two equal fixedly connected with second connecting plate (13), four of workstation (1) bottom the left and right sides the inboard all rotates and is connected with second guide pulley (14), two equal fixedly connected with stay cord (15) in L type adjusting plate (10) front side, stay cord (15) bottom is around first guide pulley (12) and two second guide pulleys (14) and front end splash board (4) bottom fixed connection, U type splash board (2) rear side is connected with the ejecting mechanism who is used for discharging the liquid crystal disintegrating slag.
3. The liquid crystal display screen compression-resistant detection method of claim 1, characterized in that: vibrations mechanism includes rolling disc (31), rolling disc (31) fixed connection is on first gear (19) top, a plurality of guide block (32) of arranging along rolling disc (31) bottom circumference array of fixedly connected with in rolling disc (31) bottom, axis of rotation (17) top contact has ejector pin (33), ejector pin (33) top and guide block (32) contact, fixedly connected with holding ring (34) on the surface that ejector pin (33) are close to the top, holding ring (34) bottom fixedly connected with third spring (35), third spring (35) bottom fixed connection is on the inside bottom surface of third recess (20), supply ejector pin (33) male slot has been seted up at axis of rotation (17) top.
4. The liquid crystal display screen compression-resistant detection method of claim 2, characterized in that: all be connected with the elastic positioning mechanism who is used for centre gripping liquid crystal display on the wall of the U type splash guard (2) left and right sides, elastic positioning mechanism includes locating plate (36), the first slide bar of fixedly connected with (37) on locating plate (36) lateral wall, first slide bar (37) outer end runs through U type splash guard (2) and fixedly connected with fender ring (38), the cover is equipped with fourth spring (39) on first slide bar (37).
5. The liquid crystal display screen compression-resistant detection method of claim 2, characterized in that: the push-out mechanism comprises a first baffle (40), an electric cylinder (41) is fixedly connected to the front side of the first baffle (40), a push plate (42) is fixedly connected to the front end of the electric cylinder (41), the push plate (42) is slidably connected to the inner side wall of the U-shaped anti-sputtering plate (2), and the top end of the push plate (42) is lower than the positioning plate (36).
6. The liquid crystal display screen compression-resistant detection method of claim 4, wherein: two keep off equal fixedly connected with L type connecting plate (43) of ring (38), L type connecting plate (43) front side fixedly connected with locating piece (44), L type connecting plate (43) bottom sliding connection has L type backup pad (45), L type backup pad (45) fixed connection is on the lateral wall of U type splash guard (2), constant head tank (46) have been seted up to U type splash guard (2) bottom.
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| CN114798471A (en) * | 2022-06-30 | 2022-07-29 | 深圳益实科技有限公司 | Automatic testing arrangement of LCD screen compressive property |
| CN115542589A (en) * | 2022-10-19 | 2022-12-30 | 深圳市环测威检测技术有限公司 | Detection equipment and detection method for liquid crystal display screen |
| CN115372163A (en) * | 2022-10-25 | 2022-11-22 | 张家港江苏科技大学产业技术研究院 | Concrete compressive resistance test equipment |
| CN115372163B (en) * | 2022-10-25 | 2022-12-30 | 张家港江苏科技大学产业技术研究院 | Concrete compressive resistance test equipment |
| CN115876566A (en) * | 2022-11-24 | 2023-03-31 | 嘉兴市中元德丰建材股份有限公司 | Efficient detection device and detection method for compressive strength of concrete product |
| CN116643112A (en) * | 2023-07-21 | 2023-08-25 | 深圳市隆显智能设备有限公司 | Display screen detection equipment convenient to fix based on clamping and pressing |
| CN116643112B (en) * | 2023-07-21 | 2023-09-19 | 深圳市隆显智能设备有限公司 | Display screen detection equipment convenient to fix based on clamping and pressing |
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