CN115791836B - Display screen detection device and display screen detection method - Google Patents
Display screen detection device and display screen detection method Download PDFInfo
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- CN115791836B CN115791836B CN202310038901.9A CN202310038901A CN115791836B CN 115791836 B CN115791836 B CN 115791836B CN 202310038901 A CN202310038901 A CN 202310038901A CN 115791836 B CN115791836 B CN 115791836B
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Abstract
The invention discloses a display screen detection device and a display screen detection method, and relates to the technical field of display screen detection. According to the invention, the clamping and connecting assembly is arranged, when the two bidirectional screw rods move relatively, the fixed rod connecting block can be extruded by the extruding and pushing connecting rod, so that the fixed rod connecting block moves towards the outer side of the rotary connecting frame, at the moment, the rotation blocking connecting pin moves towards the position far away from the center of the clamping and connecting disc under the moving action of the I-shaped shifting frame, after the clamping and connecting assembly clamps the display screen completely through the relative movement of the positioning block, the rotation blocking connecting pin is just separated from the rotation blocking hole completely, at the moment, the limiting of the rotation blocking connecting pin is lost by the clamping and connecting disc, and therefore, the eccentric rotating block is prevented from rotating when the display screen is not clamped completely, and the use safety of equipment is improved.
Description
Technical Field
The invention relates to the technical field of display screen detection, in particular to a display screen detection device and a display screen detection method.
Background
The display screen is also commonly referred to as a monitor. The display screen is an I/O device belonging to a computer, namely an input/output device. The display tool is used for displaying certain electronic files on a screen through a specific transmission device and reflecting the electronic files to human eyes, and can be divided into a cathode ray tube display (CRT), a plasma display panel PDP, a liquid crystal display LCD and the like according to different manufacturing materials, and defect detection is needed to be carried out on the display screen through a detection device before the display screen is packaged.
Chinese patent CN106198547a discloses a display screen detection device to improve the accuracy of display screen defect detection, improve detection efficiency, alleviate operating personnel intensity of labour. However, it cannot realize 360 rotation of the display screen when operated, and thus has a defect in the accuracy of detection.
Chinese patent CN113029812a discloses a detection device for a display screen, which can be firmly adsorbed on the surface of the display screen through a rubber sucker, so that the detection efficiency is greatly improved, however, the detection device mainly detects the stress of the display screen, and the mode of the rubber sucker cannot detect the defects of the display screen.
Chinese patent CN106841990a discloses a display screen detection device comprising: the device comprises a carrier, a pressure head, a sensor detection unit and an electrical detection unit; the device can simultaneously detect the sensor and the electricity by arranging the circuit board and the probe on the pressure head, thereby improving the working efficiency. However, it cannot detect the display from multiple angles, so that detection of the display at different angles may be missed.
US patent 20180246044A1 discloses a display defect detection method of a display screen, which mainly recognizes images from pixel levels to determine defective pixels, however, it does not make further restrictions on the detection angle of the display screen, and thus there is also a problem that a single detection angle causes missing defects.
The device is required to be placed under the detection probe in the defect detection process, the calibration between the detection probe and the display screen is realized through the adjustment of the placement position of the display screen, and when the other surface of the display screen is detected, a worker is required to pick up and turn over the display screen, and the display screen is required to be calibrated again at the moment, so that the detection efficiency is influenced.
Disclosure of Invention
The invention aims at: in order to solve the problem that defect detection is not convenient and rapid to be carried out on a display screen and the problem that defect points of the display screen are possibly missed when a single detection angle exists in the process of detecting the display screen, the display screen detection device and the display screen detection method are provided.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a display screen detection device and display screen's detection method, includes the working plate, the top of working plate is provided with the fixed frame that links, the detection probe is installed on the top of fixed frame that links, the inboard of fixed frame is connected with through limiting the subassembly that links soon and connects the frame, the top of linking soon is provided with the two-way spiral shell rotating rod that runs through to the inboard of linking soon, two cover position blocks have been cup jointed in the outside of two-way spiral shell rotating rod, the screw thread hole that runs through to cover position block bottom has been seted up at cover position block's top, screw thread in the screw thread hole meshes with two-way spiral shell rotating rod outside screw thread, the one end of linking soon is provided with the subassembly that links soon, the subassembly that links to each other is connected to soon to the top of two-way spiral shell rotating rod is provided with the clamp and connects the subassembly, one side of cover position block is provided with the clamp and links the subassembly including being fixed in the last movable plate of one cover position block one side, the limit fixed slot that agrees with cover position block side is seted up to one side of linking soon, the movable plate below is provided with the lower movable plate that links to each other with another cover position block.
As still further aspects of the invention: the clamping assembly further comprises a sleeve position rotating ring arranged on the inner side of the upper moving plate, a rotating ring grip is fixed at the top of the sleeve position rotating ring, a fixed blocking groove is formed in the inner wall of the sleeve position rotating ring, a connecting gear wheel is connected to the inner side of the fixed blocking groove in a rotating mode through a rotating shaft, a supporting connection plate is arranged on the outer side of the connecting gear wheel, a single moving groove is formed in the outer wall of the sleeve position rotating ring, a movable position cavity is formed in the inner side of the upper moving plate, a movable position cavity penetrating through the bottom of the upper moving plate is formed in the top of the upper moving plate, a pushing rod is inserted into the inner side of the movable position cavity, an anti-falling moving plate is arranged at the bottom of the pushing rod, a counterweight guiding block is arranged at the top of the pushing rod, a power plate located on the inner side of the movable position cavity is arranged at the outer side of the pushing rod, a fixed pushing ring is fixed at one end of the power plate, a guiding rotating groove is formed in the inner side of the fixed pushing ring, a guiding rotating groove is connected to the inner side of the guiding rotating groove in a sliding mode, and a guiding block located on the inner side of the single moving groove is fixed at one end of the spiral blocking rod, and the driving rod meshed with the connecting gear wheel.
As still further aspects of the invention: the rotation limiting assembly comprises a supporting ring column fixed at the top of the rotation connecting frame, a pin connecting fixing ring is fixed at the top of the supporting ring column, a plurality of clamping holes are formed in the outer side of the pin connecting fixing ring, a force adjusting sleeve block is arranged at the top of the bidirectional screw rotating rod, a shifting cavity is formed in the inner side of the force adjusting sleeve block, a pushing connecting spring is arranged in the inner side of the shifting cavity, one end of the pushing connecting spring is connected with a moving rod extending to the outer side of the force adjusting sleeve block, a rotating rod grip is arranged at the top of the moving rod, a moving pin plate is arranged at the bottom of the moving rod, a rotation clamping pin is arranged at one end of the moving pin plate, and a locking piece is arranged at the top of the force adjusting sleeve block.
As still further aspects of the invention: the locking piece comprises a guide pin hole which is formed in the top of the force adjusting sleeve block, the guide pin hole extends into the shifting cavity, a fixed shifting pin is inserted into the inner side of the guide pin hole, a guide pin spring which is connected with the outer side of the fixed shifting pin is arranged at the top of the force adjusting sleeve block, and a locking and connecting hole is formed in the top of the shifting swing rod.
As still further aspects of the invention: the spiral clamping assembly comprises a spiral clamping wheel fixed on one side of the spiral clamping frame far away from the limiting fixed groove, a position opening hole is formed in the inner side of the spiral clamping wheel, a spiral clamping rod located below the spiral clamping wheel is connected to the inner side of the fixed connecting frame, the spiral clamping rod is meshed with the outer side of the spiral clamping wheel, two ends of the spiral clamping rod are fixedly provided with a clamping connecting disc, a plurality of rotation blocking holes connected with the clamping connecting assembly are formed in the outer side of the clamping connecting disc, and the clamping connecting disc is installed at one end of the clamping connecting disc.
As still further aspects of the invention: the clamping assembly comprises a fixed rotating block fixed on one side of the positioning block, a squeezing connecting rod is connected to the outer side of the fixed rotating block through a rotating shaft in a rotating mode, one end of the squeezing connecting rod is connected with a fixed rod connecting block through the rotating shaft in a rotating mode, one end of the fixed rod connecting block is connected with a guiding and pushing guide post extending to the outer side of the fixed connecting frame, the guiding and pushing guide post is sleeved in the positioning hole, an I-shaped shifting frame is fixed to one end of the guiding and pushing guide post, and a rotation blocking connecting pin is arranged at one end of the I-shaped shifting frame.
As still further aspects of the invention: the connecting plate is characterized in that through holes matched with the guiding and pushing columns are formed in one side of the connecting plate and one side of the fixed connecting frame, the circle centers of the guiding and pushing columns and the opening holes are at the same horizontal height, and the rotation-resisting holes are matched with one end of the rotation-resisting connecting pin in size.
As still further aspects of the invention: the outer wall of one end of the movable swing rod is attached to the four walls of the movable cavity, a through hole matched with the outer side of the movable swing rod is formed in one end of the force adjusting sleeve block, and the farthest distance from one end of the movable swing rod to the inner wall of one end of the movable cavity is smaller than the maximum telescopic length of the push connecting spring.
As still further aspects of the invention: the support connecting plate is of an L-shaped structure, the length of one end of the interlocking bar is half of the circumference of the outer side of the interlocking wheel, and one end of the guiding connecting block is matched with the guiding rotating groove.
The invention also discloses a display screen detection device and a display screen detection method, which are adopted, and comprise the following steps:
s1: when the defect detection is carried out on the display screen, the display screen can be firstly placed on the supporting and connecting plate at the inner side of the lower movable plate, the counterweight guide block positioned on the upper movable plate can drive the power plate to move downwards under the action of self gravity, so that the fixed push ring drives the connecting gear moving rod to move through the guide connecting block, the guide connecting block moves along the single moving groove, the connecting gear moving rod can rotate the supporting and connecting plate by stirring the connecting gear moving wheel, one end of the supporting and connecting plate positioned at the inner side of the upper movable plate is rotated to the upper side of the upper movable plate, and the supporting and connecting plate positioned at the inner side of the upper movable plate can not shield the display screen;
S2: at the moment, the position of the display screen can be calibrated, and then the defect detection treatment can be carried out on one surface of the display screen on the lower moving plate through the detection probe;
s3: after the detection of one side of the display screen is finished, the rotary rod handle can be held, then the rotary rod handle is pulled towards the direction away from the circle center of the pin connecting and fixing ring, at the moment, the movable swinging rod moves relative to the force adjusting sleeve block along with the movement of the rotary rod handle, one end of the push connecting spring is pulled by the movable swinging rod to stretch in the process, meanwhile, the rotary clamping pin moves away from the clamping hole along with the movement of the movable swinging rod, when the rotary rod handle is away from the circle center of the pin connecting and fixing ring, the movable swinging rod can be limited through the locking piece, at the moment, the push connecting spring can keep the stretching state all the time, and then the rotary rod handle can be rotated along the circle center of the pin connecting and fixing ring, so that the force arm generated by rotating the bidirectional threaded rod can be increased due to the fact that the circle center of the rotary rod handle is far from the circle center of the bidirectional threaded rod, at the moment, the bidirectional threaded rod can be rotated only with small force, and the labor intensity of workers can be relieved;
s4: the bidirectional screw rotating rod rotates, so that the sleeve position block drives the lower moving plate and the upper moving plate to move towards the transverse central axis of the screw connecting frame, the position pushing rod on the upper moving plate is limited by the lower moving plate, the counterweight guiding block on the upper moving plate and the counterweight guiding block on the lower moving plate are respectively far away from the upper moving plate and the lower moving plate, in the process, the position pushing rod on the upper moving plate moves relative to the upper moving plate, and the connecting block and the connecting gear moving rod drive the connecting gear wheel to rotate reversely through the power plate, the fixed push ring and the guiding connecting block, so that one end of the support plate rotates to the inner side of the sleeve position screw ring, and the display screen can be clamped, so that the stability of the display screen is improved;
S5: the fixed rod connecting block can be extruded through the extruding pushing connecting rod in the process of relative movement of the two sleeve position blocks, so that the fixed rod connecting block moves towards the outer side of the rotary connecting frame, the I-shaped shifting frame can be pushed to move through the guiding deriving column, at the moment, the rotation blocking connecting pin moves towards the position far away from the center of the clamping connecting disc under the moving action of the I-shaped shifting frame, after the clamping connecting assembly clamps the display screen completely through the relative movement of the sleeve position blocks, the rotation blocking connecting pin is exactly and completely separated from the rotation blocking hole, at the moment, the clamping connecting disc loses the limit of the rotation blocking connecting pin, and therefore the eccentric rotating block is prevented from rotating when the display screen is not clamped completely, and the use safety of equipment is improved;
s6: the eccentric rotating block can be rotated at the moment, the spiral clamping rod is driven to rotate by the connecting clamping disc through the rotation of the eccentric rotating block, and the spiral clamping wheel can be driven to rotate when the spiral clamping rod rotates, so that the spiral clamping wheel drives the connecting clamping disc to rotate, the display screen is turned over, and meanwhile, the stability of the display screen in rotation is improved through the self-locking effect of the spiral clamping wheel and the spiral clamping rod;
s7: when the display screen is rotated for ninety degrees, the defect detection can be carried out on the side face of the display screen through the detection probe, meanwhile, a worker can rotate the sleeve position rotating ring through the rotating ring handle, so that the display screen after the sleeve position rotating ring is dynamically clamped is rotated, the defect detection can be carried out on the periphery of the outer side of the display screen, the detection range is improved, meanwhile, the efficiency of the equipment for detecting the side face of the display screen is improved, and then the display screen can be rotated for ninety degrees again through the rotating position assembly, so that the back face of the display screen faces upwards;
S8: at the moment, the clamping assembly reversely rotates the bidirectional screw rotating rod, so that the upper moving plate and the lower moving plate are separated, the rotation blocking connecting pin can be inserted into the rotation blocking hole corresponding to the outer side of the clamping connecting disc again through the reverse movement of the positioning block, the stability of the eccentric rotating block is improved, the eccentric rotating block is prevented from rotating under the non-artificial action, and the stability of the display screen after being placed is improved;
s9: because last movable plate in this moment is located the below of movable plate down, the supporting plate in the last movable plate does not take place to rotate under the effect of counter weight guide piece this moment, so alright support the display screen through the supporting plate in the last movable plate, and the counter weight guide piece on the lower movable plate promotes the push rod down under self effect and removes, so alright make the supporting plate in the lower movable plate roll up, thereby the supporting plate on the lower movable plate of preventing causes the shielding to the back of display screen, then alright carry out defect detection processing to the back of display screen through detecting probe, whole in-process display screen is in initial placement position always, in order to improve detection efficiency.
The detection probe of the present application may be judged by a judgment method such as a detection probe or a light source disclosed in US20180246044A1 or chinese patent CN110160750a, and other accessory devices thereof are not described in detail in the present application.
Compared with the prior art, the invention has the beneficial effects that:
1. through arranging the clamping connection component and the rotating position component, when the defect detection is carried out on the display screen, the display screen can be firstly placed on the supporting connection plate at the inner side of the lower movable plate, then the position of the display screen is calibrated, then the defect detection treatment can be carried out on one surface of the display screen on the lower movable plate through the detection probe, the rotating bidirectional screw rotating rod rotates, at the moment, the position pushing rod on the upper movable plate can be limited by the lower movable plate, thus the counterweight guide block on the upper movable plate and the counterweight guide block on the lower movable plate are respectively far away from the upper movable plate and the lower movable plate, one end of the supporting connection plate is enabled to rotate to the inner side of the sleeve position rotating ring, the display screen can be clamped, the eccentric rotating block can be rotated, the spiral clamping wheel is enabled to drive the clamping connection plate to rotate through the rotation of the eccentric rotating block, and the display screen can be overturned, meanwhile, the stability of the display screen during rotation is improved through the self-locking effect of the spiral clamping wheel and the spiral clamping rod, when the display screen is rotated for ninety degrees, the defect detection can be carried out on the side face of the display screen through the detection probe, meanwhile, a worker can rotate the sleeve position rotating ring through the rotating ring handle, so that the display screen which is clamped by the sleeve position rotating ring is rotated, the defect detection can be carried out on the periphery of the outer side of the display screen, the detection range is improved, then the display screen can be rotated for ninety degrees again through the rotating position assembly, the back face of the display screen is upwards, then the upper moving plate and the lower moving plate are separated, the display screen can be supported through the support plate in the upper moving plate, the support plate in the lower moving plate can be folded, the support plate on the lower moving plate is prevented from shielding the back face of the display screen, then the defect detection treatment can be carried out on the back face of the display screen through the detection probe, the display screen is always in the initial placement position in the whole process, so that the detection efficiency is improved.
2. The rotary rod handle can be held firstly by the aid of the rotation limiting assembly and the locking piece before the bidirectional screw rod rotates, then the rotary rod handle is pulled towards the direction away from the circle center of the pin connecting and fixing ring, at the moment, the movable swinging rod moves relative to the force adjusting sleeve block along with the movement of the rotary rod handle, one end of the push connecting spring is pulled by the movable swinging rod to stretch in the process, meanwhile, the rotary bayonet lock moves away from the clamping hole along with the movement of the movable swinging rod, when the rotary rod handle is away from the circle center of the pin connecting and fixing ring, the movable swinging rod is limited by the locking piece, at the moment, the push connecting spring keeps stretching all the time, then the rotary rod handle can be rotated along the circle center of the pin connecting and fixing ring, and the circle center of the rotary rod handle is far away from the circle center of the bidirectional screw rod.
3. Through setting up the card and link the subassembly, the accessible is pushed the connecting rod and is extruded the dead lever even piece when two-way spiral shell rotating rod carry out relative movement for the dead lever even piece moves towards the outside of connecing the frame soon, so alright promote I shape through leading the deriving post and shift the frame and remove, prevent rotating even the round pin and just move towards keeping away from the joint even disc heart department under the removal effect of I shape shift frame this moment, make the clamp even subassembly carry out complete centre gripping to the display screen after, prevent rotating even the round pin and hinder the complete separation of rotating the hole through the relative movement of cover position piece, connect the joint even disc at this moment and just can lose the spacing that hinders rotating even the round pin, so prevent not rotating eccentric commentaries on classics piece when the display screen centre gripping is complete to the security of equipment use has been increased.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic structural view of an upper moving plate of the present invention;
FIG. 3 is a partial cross-sectional view of the upper moving plate of the present invention;
FIG. 4 is a schematic view of the structure of the sleeve position rotating ring of the present invention;
FIG. 5 is a schematic diagram of the connection of the stay plate and the lead block of the present invention;
FIG. 6 is a schematic diagram illustrating the connection of the spin-limited assembly to the spin-on frame of the present invention;
FIG. 7 is a schematic view of the structure of the locking element of the present invention;
FIG. 8 is a schematic diagram of the connection of the socket block and the connector disc according to the present invention.
In the figure: 1. a work plate; 2. a fixed connecting frame; 3. a detection probe; 401. an upper moving plate; 402. a rotation-resisting connecting pin; 403. i-shaped shifting frame; 404. a spin-on frame; 405. a counterweight guide block; 406. a lower movable plate; 407. a bracing plate; 408. sleeving a position rotating ring; 409. a toothed wheel; 410. a pushing rod; 411. a leading block; 412. a tooth-connected movable rod; 413. a fixed push ring; 414. a guide groove; 415. a power plate; 416. a spin ring grip; 417. a single moving groove; 418. a sleeve block; 419. a bidirectional screw rod; 420. a clamping hole; 421. a rotary position bayonet lock; 422. a pin moving plate; 423. moving the swing rod; 424. a rotary rod grip; 425. a fixed moving pin; 426. a pin spring; 427. a force adjusting sleeve block; 428. a pin coupling ring; 429. a pin hole; 430. pushing the connecting spring; 431. locking the connecting hole; 432. a displacement chamber; 433. pushing the connecting rod; 434. a fixed rod connecting block; 435. a fixed rotating block; 436. a spiral clamping wheel; 437. guiding and pushing the guide post; 438. a rotation blocking hole; 439. eccentric rotating blocks; 440. a connecting disc is connected; 441. a spiral clamping rod; 442. a threaded hole; 443. a positioning hole is formed; 444. a support ring column; 445. a fixed resistance clamping groove; 446. a living cavity; 447. an anti-drop moving plate; 448. and limiting the fixed groove.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "configured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art. Hereinafter, an embodiment of the present invention will be described in accordance with its entire structure.
Referring to fig. 1-8, in an embodiment of the present invention, a display screen detection device and a detection method for a display screen, including a working plate 1, a positioning frame 2 is disposed at the top of the working plate 1, a detection probe 3 is mounted at the top of the positioning frame 2, a screwing frame 404 is connected to the inner side of the positioning frame 2 through a rotation limiting assembly, a bidirectional screw rod 419 penetrating to the inner side of the screwing frame 404 is disposed at the top of the screwing frame 404, two positioning blocks 418 are sleeved on the outer side of the bidirectional screw rod 419, a screw thread guiding hole 442 penetrating to the bottom of the positioning blocks 418 is disposed at the top of the positioning blocks 418, a screw thread in the screw thread guiding hole 442 is engaged with the screw thread on the outer side of the bidirectional screw rod 419, a rotation positioning assembly is disposed at one end of the screwing frame 404, the rotation positioning assembly is limited by the rotation limiting assembly, a clamping assembly connected to the screwing frame 404 is disposed at the top of the bidirectional screw rod 419, the clamping assembly includes an upper moving plate 401 fixed to one side of the positioning blocks 418, a lower moving plate 401 is disposed at one side of the screwing frame 418, and a lower moving plate 401 is disposed at one side of the positioning blocks 418, and a lower moving plate 401 is disposed at one side of the positioning block 418.
In this embodiment: s1: when the defect detection is carried out on the display screen, the display screen can be firstly placed on a part in the clamping assembly, and then the position of the display screen can be corrected;
S2: after the display screen position is calibrated, the front face of the display screen can be shot through the detection probe 3, and then the defect detection can be carried out on the shot front face of the display screen through external equipment;
s3: after the front detection of the display screen is finished, the bidirectional screw rod 419 can lose limit through the clamping component, then the bidirectional screw rod 419 can be rotated through the clamping component, and the sleeve position block 418 can be moved relatively when the bidirectional screw rod 419 rotates, so that the clamping component clamps the display screen, and the placement stability of the display screen is ensured;
s4: the rotation limiting assembly can be used for limiting the rotation of the rotation limiting assembly in the process, the rotation limiting assembly can be used for rotating the display screen after the clamping assembly is positioned, so that the position of the display screen is adjusted, the display screen can be subjected to omnibearing defect detection by matching with the operation of the detection probe 3, the detection range of the detection probe 3 to the display screen is improved, the accuracy of detection data is improved, and meanwhile, the detection efficiency is also improved.
Referring to fig. 1 to 5, the clip connection assembly further includes a sleeve position rotating ring 408 disposed on the inner side of the upper moving plate 401, a rotating ring grip 416 is fixed on the top of the sleeve position rotating ring 408, a fixed blocking slot 445 is formed on the inner wall of the sleeve position rotating ring 408, a connecting gear wheel 409 is rotatably connected on the inner side of the fixed blocking slot 445 through a rotating shaft, a supporting plate 407 is disposed on the outer side of the connecting gear wheel 409, a single moving slot 417 is formed on the outer wall of the sleeve position rotating ring 408, a movable position cavity 446 is formed on the inner side of the upper moving plate 401, a movable position cavity 446 penetrating through the bottom of the upper moving plate 401 is disposed on the top of the upper moving plate 401, a push rod 410 is inserted on the inner side of the movable position cavity 446, an anti-release plate 447 is disposed on the bottom of the push rod 410, a counterweight guide block 405 is disposed on the outer side of the push rod 410, a power plate 415 is disposed on the inner side of the movable position cavity 446, one end of the power plate 415 is fixed with a fixed push ring 413, a guide slot 414 is formed on the inner wall of the fixed push ring 413, the inner side of the guide slot 414 is slidingly connected with the inner side of the guide slot 417, and one end of the movable gear 411 is engaged with the movable gear wheel 411.
In this embodiment: when the defect detection is carried out on the display screen, the display screen can be firstly placed on the supporting plate 407 at the inner side of the lower movable plate 406, the counterweight guide block 405 positioned on the upper movable plate 401 can drive the power plate 415 to move downwards under the action of self gravity, so that the fixed push ring 413 can drive the linking tooth movable rod 412 to move through the guide block 411, the guide block 411 can move along the single moving slot 417, the linking tooth movable rod 412 can rotate the supporting plate 407 by stirring the linking tooth movable wheel 409, one end of the supporting plate 407 positioned at the inner side of the upper movable plate 401 is rotated above the upper movable plate 401, the supporting plate 407 at the inner side of the upper movable plate 401 can not shield the display screen at the moment, the position of the display screen can be calibrated at the moment, then the defect detection treatment can be carried out on one surface of the display screen on the lower movable plate 406 through the detection probe 3, after one side of the display screen is detected, the bidirectional screw rotating rod 419 can be rotated through the clamping component, so that the sleeve positioning block 418 drives the lower moving plate 406 and the upper moving plate 401 to move towards the transverse central axis of the rotary connecting frame 404, at the moment, the position pushing rod 410 on the upper moving plate 401 is limited by the lower moving plate 406, so that the weight guiding block 405 on the upper moving plate 401 and the weight guiding block 405 on the lower moving plate 406 are respectively far away from the upper moving plate 401 and the lower moving plate 406, in the process, the position pushing rod 410 on the upper moving plate 401 moves relative to the upper moving plate 401, so that the connecting gear wheel 409 is driven to rotate reversely through the power plate 415, the fixed pushing ring 413, the guiding block 411 and the connecting gear moving rod 412, so that one end of the supporting plate 407 is rotated to the inner side of the sleeve positioning rotating ring, so as to clamp the display screen, thereby increasing the stability of the display screen, and losing the position limiting component is lost after the display screen is completely clamped, then the rotating frame 404 can drive the display screen to rotate through the upper moving plate 401 and the lower moving plate 406 by the rotating component, when the display screen is rotated ninety degrees, the detection probe 3 can be used for detecting defects on the side surface of the display screen, meanwhile, a worker can rotate the sleeve position rotating ring 408 through the rotating ring handle 416, so that the sleeve position rotating ring 408 drives the clamped display screen to rotate, and the defect detection can be carried out on the periphery of the outer side of the display screen, thereby the detection range is improved, meanwhile, the efficiency of the equipment for detecting the side surface of the display screen is also improved, then the display screen can be rotated ninety degrees again through the rotating component, the back surface of the display screen faces upwards, at the moment, the bidirectional screw rotating rod 419 is reversely rotated through the clamping component, therefore, the upper moving plate 401 is separated from the lower moving plate 406, because the upper moving plate 401 is located below the lower moving plate 406, the supporting plate 407 in the upper moving plate 401 does not rotate under the action of the counterweight guide block 405, so that the display screen can be supported by the supporting plate 407 in the upper moving plate 401, and the counterweight guide block 405 on the lower moving plate 406 pushes the pushing rod 410 to move downwards under the action of the counterweight guide block 405, so that the supporting plate 407 in the lower moving plate 406 can be folded, the shielding of the supporting plate 407 on the lower moving plate 406 on the back surface of the display screen is prevented, then the defect detection processing can be performed on the back surface of the display screen through the detection probe 3, and the display screen is always in the initial placement position in the whole process, so that the detection efficiency is improved.
Referring to fig. 1 and 6, the rotation limiting assembly includes a supporting ring column 444 fixed on the top of the rotation connecting frame 404, a pin connecting ring 428 is fixed on the top of the supporting ring column 444, a plurality of clamping holes 420 are formed on the outer side of the pin connecting ring 428, a force adjusting sleeve block 427 is arranged on the top of the bidirectional screw rod 419, a displacement cavity 432 is formed on the inner side of the force adjusting sleeve block 427, a push connecting spring 430 is arranged on the inner side of the displacement cavity 432, one end of the push connecting spring 430 is connected with a moving rod 423 extending to the outer side of the force adjusting sleeve block 427, a rotating rod grip 424 is arranged on the top of the moving rod 423, a moving pin plate 422 is arranged on the bottom of the moving rod 423, a rotation clamping pin 421 is arranged on one end of the moving pin plate 422, and a locking piece is arranged on the top of the force adjusting sleeve block 427.
In this embodiment: before the bidirectional screw rotating rod 419 is rotated, the rotating rod grip 424 can be held firstly, then the rotating rod grip 424 is pulled towards the direction away from the center of the pin connecting ring 428, at this time, the moving rod 423 moves relative to the force adjusting sleeve 427 along with the movement of the rotating rod grip 424, one end of the pushing connecting spring 430 is pulled by the moving rod 423 to stretch in the process, meanwhile, the rotating bayonet catch 421 moves away from the bayonet hole 420 along with the movement of the moving rod 423, when the rotating rod grip 424 is away from the center of the pin connecting ring 428, the moving rod 423 is limited by the locking piece, at this time, the pushing connecting spring 430 keeps in an stretching state all the time, then the rotating rod grip 424 can be rotated along the center of the pin connecting ring 428, and the center of the rotating rod grip 424 is far away from the center of the bidirectional screw rotating rod 419.
Referring to fig. 1 and 7, the locking member includes a pin hole 429 formed at the top of the force adjusting sleeve block 427, the pin hole 429 extends into the displacement cavity 432, a fixed moving pin 425 is inserted into the inner side of the pin hole 429, a pin spring 426 connected to the outer side of the fixed moving pin 425 is disposed at the top of the force adjusting sleeve block 427, and a locking hole 431 is formed at the top of the moving rod 423.
In this embodiment: when the movable swinging rod 423 moves away from the center of the pin connecting ring 428, the locking hole 431 moves along with the movement of the movable swinging rod 423, when the rotary rod handle 424 moves away from the center of the pin connecting ring 428, the locking hole 431 just moves to the lower part of the fixed moving pin 425, at the moment, the bottom of the fixed moving pin 425 loses the shielding of the top of the movable swinging rod 423, so that the fixed moving pin 425 is inserted into the locking hole 431 under the elastic restoring force of the pin spring 426, the movable swinging rod 423 is locked, the rotary rod handle 424 is limited, and then a worker does not need to apply transverse force to the rotary rod handle 424 to overcome the elastic force of the pushing connecting spring 430 when the rotary rod handle 424 is rotated, and the labor intensity of the worker is relieved.
Referring to fig. 1 and 8, the screwing assembly includes a spiral clamping wheel 436 fixed on one side of the screwing frame 404 far away from the limiting fixing groove 448, an opening 443 is formed on the inner side of the spiral clamping wheel 436, a spiral clamping rod 441 located below the spiral clamping wheel 436 is connected on the inner side of the fixing frame 2, the spiral clamping rod 441 is meshed with the outer side of the spiral clamping wheel 436, two ends of the spiral clamping rod 441 are fixed with a connection clamping disc 440, a plurality of rotation blocking holes 438 connected with the connection clamping assembly are formed on the outer side of the connection clamping disc 440, and one end of the connection clamping disc 440 is provided with the connection clamping disc 440.
In this embodiment: when the upper moving plate 401 and the lower moving plate 406 clamp the display screen completely through the supporting plate 407, the clamping assembly and the rotation blocking hole 438 are not connected, the clamping connecting disc 440 is not limited, the eccentric rotating block 439 can be rotated at the moment, the clamping connecting disc 440 drives the spiral clamping rod 441 to rotate through the rotation of the eccentric rotating block 439, the spiral clamping rod 441 can drive the spiral clamping wheel 436 to rotate when rotating, the spiral clamping wheel 436 drives the clamping connecting disc 440 to rotate, the display screen is turned over, and meanwhile, the stability of the display screen during rotation is improved through the self-locking effect of the spiral clamping wheel 436 and the spiral clamping rod 441.
Referring to fig. 1 and 8, the locking assembly includes a fixed rotating block 435 fixed on one side of a positioning block 418, a pushing connecting rod 433 rotatably connected to the outer side of the fixed rotating block 435 via a rotating shaft, a fixed rod connecting block 434 rotatably connected to one end of the pushing connecting rod 433 via a rotating shaft, a guiding post 437 extending to the outer side of the fixed connecting frame 2 connected to one end of the fixed rod connecting block 434, the guiding post 437 sleeved in the opening hole 443, an i-shaped shifting frame 403 fixed to one end of the guiding post 437, and a rotation blocking connecting pin 402 arranged at one end of the i-shaped shifting frame 403.
In this embodiment: when two bidirectional screw rotating rods 419 move relatively, the fixed rod connecting block 434 can be extruded by the extruding connecting rod 433, so that the fixed rod connecting block 434 moves towards the outer side of the rotating frame 404, the I-shaped shifting frame 403 can be pushed to move by the guiding and pushing guide post 437, at the moment, the rotation blocking connecting pin 402 moves towards the position far away from the center of the clamping connecting disc 440 under the action of the movement of the I-shaped shifting frame 403, after the clamping assembly clamps the display screen completely by the relative movement of the positioning block 418, the rotation blocking connecting pin 402 is just separated from the rotation blocking hole 438 completely, at the moment, the clamping connecting disc 440 loses the limit of the rotation blocking connecting pin 402, so that the eccentric rotating block 439 is prevented from rotating when the display screen is not clamped completely, the safety of equipment is improved, and after the display screen is overturned, the rotation blocking connecting pin 402 can be inserted into the corresponding rotation blocking hole 438 at the outer side of the clamping connecting disc 440 again by the reverse movement of the positioning block 418, so that the stability of the rotating block is increased, the eccentric rotating block 439 is prevented from rotating under the non-manual action, and the stability of the display screen is improved after the display screen is placed.
Referring to fig. 8, a through hole is formed on one side of the connecting plate 440 and one side of the fixed connecting frame 2, which is engaged with the guiding post 437, the guiding post 437 and the center of the opening hole 443 are at the same level, and the rotation blocking hole 438 is engaged with one end of the rotation blocking pin 402.
In this embodiment: by arranging the structure, when the connecting and connecting disc 440 rotates, the fixed rod connecting block 434 can be driven to rotate by the positioning block 418 and the fixed rotating block 435, so that the rotating angles of the guiding and pushing guide pillar 437 and the spiral clamping wheel 436 are opposite, and the situation that the rotation preventing connecting pin 402 is deviated along with the rotation of the guiding and guiding pillar 437 after the rotation preventing connecting pin 402 is separated from the rotation preventing hole 438 is prevented, so that the I-shaped shifting frame 403 is ensured to be in an aligned state with one rotation preventing hole 438 outside the connecting and connecting disc 440 after the rotation preventing connecting pin 402 is driven to rotate for one hundred eighty degrees, and convenience is provided for locking the subsequent connecting and connecting disc 440.
Referring to fig. 7, the outer wall of one end of the moving link 423 is attached to the four walls of the moving cavity 432, one end of the force adjusting sleeve block 427 is provided with a through hole engaged with the outer side of the moving link 423, and the farthest distance from the one end of the moving link 423 to the inner wall of one end of the moving cavity 432 is smaller than the maximum telescopic length of the push connecting spring 430.
In this embodiment: through setting up this structure and making shift chamber 432 carry out spacingly to the one end of shifting the pendulum rod 423, provide the activity space for shifting the pendulum rod 423 through the through-hole of power adjustment sleeve piece 427 one end simultaneously, and the maximum distance that pushes away the position even spring 430 and can carry out spacingly to its removal when shifting the pendulum rod 423 and remove to prevent to shift the pendulum rod 423 and cause excessively to pull to pushing away the position even spring 430 because of the too big distance of removal, increased the life who pushes away the position even spring 430.
Referring to fig. 3, 4 and 5, the supporting plate 407 has an L-shaped structure, one end of the connecting bar 412 has a length half of the outer circumference of the connecting wheel 409, and one end of the connecting block 411 is engaged with the guiding groove 414.
In this embodiment: through setting up this structure and making cover position swivel 408 take place to rotate relative upper movable plate 401 and making through single move the groove 417 draw even piece 411 and rotate, so alright make draw even piece 411 and rotate along leading the swivel groove 414, so make and decide push ring 413 and drive the interlock movable rod 412 through drawing even piece 411 and reciprocate under the circumstances that does not influence cover position swivel 408 and rotate, make the bracing plate 407 rotate one hundred eighty degrees through the removal of interlock movable rod 412 simultaneously, so make bracing plate 407 not have shielding around it when carrying out the centre gripping support to the display screen, so as to provide convenience for detecting probe 3 to the defect detection around the display screen.
The following provides a display screen detection device and a display screen detection method by combining the display screen detection device and the display screen detection method, and the display screen detection device and the display screen detection method specifically comprise the following steps:
s1: when the defect detection is carried out on the display screen, the display screen can be firstly placed on the supporting plate 407 at the inner side of the lower movable plate 406, and the counterweight guide block 405 positioned on the upper movable plate 401 can drive the power plate 415 to move downwards under the action of self gravity at the moment, so that the fixed push ring 413 can drive the linking toothed bar 412 to move through the guide block 411, the guide block 411 moves along the single moving slot 417, so that the linking toothed bar 412 can drive the linking toothed wheel 409 to rotate the supporting plate 407 by stirring the linking toothed bar 409, and one end of the supporting plate 407 positioned at the inner side of the upper movable plate 401 is rotated above the upper movable plate 401, and the supporting plate 407 at the inner side of the upper movable plate 401 can not shield the display screen at the moment;
S2: at this time, the position of the display screen can be calibrated, and then the defect detection process can be performed on one surface of the display screen on the lower moving plate 406 through the detection probe 3;
s3: after one side of the display screen is detected, the rotary rod grip 424 can be held, then the rotary rod grip 424 is pulled towards the direction away from the center of the pin connecting ring 428, at this time, the rotary rod grip 423 moves relative to the force adjusting sleeve block 427 along with the movement of the rotary rod grip 424, in the process, one end of the push position connecting spring 430 is pulled by the rotary rod 423 to stretch, meanwhile, the rotary position bayonet catch 421 moves away from the clamping hole 420 along with the movement of the rotary rod 423, when the rotary rod grip 424 is away from the center of the pin connecting ring 428, the push position connecting spring 430 can limit the rotary rod 423 through the locking piece, at this time, the push position connecting spring 430 can keep in an stretching state all the time, and then the rotary rod grip 424 can be rotated, so that the rotary rod grip 424 rotates along the center of the pin connecting ring 428, and as the center of the rotary rod grip 424 is far from the center of the bidirectional screw rod 419, the force arm 419 can be increased, at this time, the bidirectional screw rod 419 can rotate with smaller force, and the labor intensity of workers can be relieved;
S4: the bidirectional screw rotating rod 419 rotates, so that the sleeve position block 418 drives the lower moving plate 406 and the upper moving plate 401 to move towards the transverse central axis of the rotating frame 404, at this time, the push position rod 410 on the upper moving plate 401 is limited by the lower moving plate 406, so that the counterweight guide block 405 on the upper moving plate 401 and the counterweight guide block 405 on the lower moving plate 406 are respectively far away from the upper moving plate 401 and the lower moving plate 406, in the process, the push position rod 410 on the upper moving plate 401 moves relative to the upper moving plate 401, and the power plate 415, the fixed push ring 413, the guide connecting block 411 and the connecting tooth moving rod 412 drive the connecting tooth moving wheel 409 to rotate reversely, so that one end of the supporting plate 407 rotates to the inner side of the sleeve position rotating ring 408, so that the display screen can be clamped, and the stability of the display screen is increased;
s5: during the relative movement of the two positioning blocks 418, the fixed rod connecting blocks 434 can be extruded by the extruding and pushing connecting rod 433, so that the fixed rod connecting blocks 434 move towards the outer side of the rotating connecting frame 404, the I-shaped shifting frame 403 can be pushed to move by the guiding and pushing guide post 437, at the moment, the rotation blocking connecting pin 402 moves towards the position far away from the center of the clamping connecting disc 440 under the movement action of the I-shaped shifting frame 403, after the clamping connecting assembly completely clamps the display screen by the relative movement of the positioning blocks 418, the rotation blocking connecting pin 402 is exactly completely separated from the rotation blocking hole 438, at the moment, the clamping connecting disc 440 loses the limit of the rotation blocking connecting pin 402, so that the eccentric rotating block 439 is prevented from rotating when the display screen is not completely clamped, and the use safety of equipment is improved;
S6: at this time, the eccentric rotating block 439 can be rotated, the spiral clamping rod 441 is driven to rotate by the connection clamping disc 440 through the rotation of the eccentric rotating block 439, the spiral clamping wheel 436 can be driven to rotate when the spiral clamping rod 441 rotates, so that the spiral clamping wheel 436 drives the connection clamping disc 440 to rotate, the display screen is turned over, and meanwhile, the stability of the display screen during rotation is improved through the self-locking effect of the spiral clamping wheel 436 and the spiral clamping rod 441;
s7: when the display screen is rotated for ninety degrees, the defect detection can be carried out on the side face of the display screen through the detection probe 3, meanwhile, a worker can rotate the sleeve position rotating ring 408 through the rotating ring handle 416, so that the sleeve position rotating ring 408 drives the clamped display screen to rotate, the defect detection can be carried out on the periphery of the outer side of the display screen, the detection range is improved, meanwhile, the efficiency of the equipment for detecting the side face of the display screen is improved, and then the display screen can be rotated for ninety degrees again through the rotating position assembly, so that the back face of the display screen faces upwards;
s8: at this time, the clamping assembly reversely rotates the bidirectional screw rotating rod 419 to separate the upper moving plate 401 from the lower moving plate 406, and the rotation blocking connecting pin 402 can be inserted into the rotation blocking hole 438 corresponding to the outer side of the clamping connecting disc 440 again through the reverse movement of the positioning block 418, so that the stability of the eccentric rotating block 439 is improved, the eccentric rotating block 439 is prevented from rotating under the non-artificial action, and the stability of the display screen after being placed is improved;
S9: because the upper moving plate 401 is located below the lower moving plate 406 at this moment, the supporting plate 407 in the upper moving plate 401 does not rotate under the action of the weight guiding block 405, so that the display screen can be supported by the supporting plate 407 in the upper moving plate 401, and the weight guiding block 405 on the lower moving plate 406 pushes the pushing rod 410 to move downwards under the action of the weight guiding block 405, so that the supporting plate 407 in the lower moving plate 406 can be folded, thereby preventing the supporting plate 407 on the lower moving plate 406 from shielding the back surface of the display screen, and then the defect detection treatment can be performed on the back surface of the display screen through the detection probe 3.
The foregoing description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical solution of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (5)
1. The utility model provides a display screen detection device, including work board (1), its characterized in that, the top of work board (1) is provided with location frame (2), detect probe (3) are installed on the top of location frame (2), the inboard of location frame (2) is connected with through limit the component of revolve and is connected with revolve frame (404), the top of revolve frame (404) is provided with and runs through to the inboard two-way screw pole (419) of revolve frame (404), two cover position blocks (418) have been cup jointed in the outside of two-way screw pole (419), threaded lead hole (442) of cover position block (418) top to run through to cover position block (418) bottom, threaded lead in hole (442) and two-way screw pole (419) outside screw thread mesh, the one end of revolve frame (404) is provided with the position subassembly, the position subassembly receives the limit of limit subassembly, the top of two-way screw pole (419) is provided with the card link subassembly that links to each other with revolve frame (404), one side of cover position block (418) is provided with and presss from both sides the link subassembly, one side of position block (418) is provided with one side of position block (418) and is equipped with position block (401) and is connected with position block (401) and one side of position block (418) and is equipped with position block (401) and one side of position block (401) and is equipped with position block (401 and one side and position block (401) and has one side position block (418);
The clamping assembly further comprises a sleeve position rotating ring (408) arranged on the inner side of the upper moving plate (401), a rotating ring grip (416) is fixed at the top of the sleeve position rotating ring (408), a positioning blocking groove (445) is formed in the inner wall of the sleeve position rotating ring (408), a connecting gear wheel (409) is rotatably connected to the inner side of the positioning blocking groove (445) through a rotating shaft, a supporting plate (407) is arranged on the outer side of the connecting gear wheel (409), a single moving groove (417) is formed in the outer wall of the sleeve position rotating ring (408), a movable position cavity (446) is formed in the inner side of the upper moving plate (401), a movable position cavity (446) penetrating through the bottom of the upper moving plate (401) is formed in the top of the upper moving plate (401), a pushing rod (410) is inserted into the inner side of the movable position cavity (446), an anti-release plate (447) is arranged at the bottom of the pushing rod (410), a counterweight guide block (405) is arranged on the top of the pushing rod (410), a power plate (415) arranged on the inner side of the movable position cavity (446), a single moving groove (413) is formed in the inner side of the fixed position rotating ring (413), one end of the spiral clamping rod (441) is fixed with a gear-connecting moving rod (412) meshed with the gear-connecting moving wheel (409);
The rotation limiting assembly comprises a supporting ring column (444) fixed at the top of the rotation connecting frame (404), a pin connecting ring (428) is fixed at the top of the supporting ring column (444), a plurality of clamping holes (420) are formed in the outer side of the pin connecting ring (428), a force adjusting sleeve block (427) is arranged at the top of the bidirectional screw rotating rod (419), a shifting cavity (432) is formed in the inner side of the force adjusting sleeve block (427), a pushing connecting spring (430) is arranged in the inner side of the shifting cavity (432), one end of the pushing connecting spring (430) is connected with a moving rod (423) extending to the outer side of the force adjusting sleeve block (427), a rotating rod grip (424) is arranged at the top of the moving rod (423), a moving pin plate (422) is arranged at the bottom of the moving rod (423), a rotation clamping pin (421) is arranged at one end of the moving pin plate (422), and a locking piece is arranged at the top of the force adjusting sleeve block (421).
The locking piece comprises a pin hole (429) which is formed in the top of the force adjusting sleeve block (427), the pin hole (429) extends into the shifting cavity (432), a fixed shifting pin (425) is inserted into the inner side of the pin hole (429), a pin spring (426) which is connected with the outer side of the fixed shifting pin (425) is arranged at the top of the force adjusting sleeve block (427), and a locking and connecting hole (431) is formed in the top of the shifting rod (423);
The spiral clamping assembly comprises a spiral clamping wheel (436) fixed on one side, far away from the limiting fixed groove (448), of the spiral clamping wheel (436), an opening hole (443) is formed in the inner side of the spiral clamping wheel (436), a spiral clamping rod (441) located below the spiral clamping wheel (436) is connected to the inner side of the fixed connecting frame (2), the spiral clamping rod (441) is meshed with the outer side of the spiral clamping wheel (436), two ends of the spiral clamping rod (441) are fixedly provided with a connecting and connecting disc (440), a plurality of spiral blocking holes (438) connected with the connecting and connecting assembly are formed in the outer side of the connecting and connecting disc (440), and one end of the connecting and connecting disc (440) is provided with the connecting and connecting disc (440);
the clamping assembly comprises a fixed rotating block (435) fixed on one side of a sleeve position block (418), a squeezing connecting rod (433) is connected to the outer side of the fixed rotating block (435) through a rotating shaft in a rotating mode, a fixed rod connecting block (434) is connected to one end of the squeezing connecting rod (433) through the rotating shaft in a rotating mode, a guiding and pushing guide post (437) extending to the outer side of a fixed connecting frame (2) is connected to one end of the fixed rod connecting block (434), the guiding and pushing guide post (437) is sleeved in an opening hole (443), an I-shaped shifting frame (403) is fixed to one end of the guiding and pushing guide post (437), and a rotation blocking connecting pin (402) is arranged at one end of the I-shaped shifting frame (403).
2. The display screen detection device according to claim 1, wherein through holes which are matched with guiding columns (437) are formed in one side of the clamping connection disc (440) and one side of the fixed connection frame (2), the guiding columns (437) and the circle centers of the opening holes (443) are at the same horizontal height, and the rotation blocking holes (438) are matched with one end of the rotation blocking connection pins (402).
3. The display screen detection device according to claim 1, wherein an outer wall of one end of the moving rod (423) is attached to four walls of the moving cavity (432), a through hole which is matched with the outer side of the moving rod (423) is formed in one end of the force adjusting sleeve block (427), and the farthest distance from one end of the moving rod (423) to the inner wall of one end of the moving cavity (432) is smaller than the maximum telescopic length of the pushing connecting spring (430).
4. The display screen detection device according to claim 1, wherein the supporting plate (407) has an L-shaped structure, one end of the connecting gear moving rod (412) has a length which is half of the outer circumference of the connecting gear wheel (409), and one end of the connecting block (411) is engaged with the guiding groove (414).
5. A display screen detection method, characterized in that a detection method using a display screen detection apparatus according to any one of claims 1 to 4 comprises the steps of:
S1: when the defect detection is carried out on the display screen, the display screen can be firstly placed on a part in the clamping assembly, and then the position of the display screen can be corrected;
s2: after the display screen position is calibrated, the front face of the display screen can be shot through the detection probe (3), and then the defect detection can be carried out on the shot front face of the display screen through external equipment;
s3: after the front detection of the display screen is finished, the bidirectional screw rod (419) can lose limit through the clamping component, then the bidirectional screw rod (419) can be rotated through the clamping component, and the sleeve block (418) can be moved relatively when the bidirectional screw rod (419) rotates, so that the clamping component can clamp the display screen;
s4: in the process, the rotation limiting component can be used for limiting the rotation limiting component, the display screen positioned by the clamping component can be rotated through the rotation limiting component, and the display screen can be subjected to omnibearing defect detection by matching with the operation of the detection probe (3).
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| CN116609256B (en) * | 2023-07-20 | 2023-09-19 | 天津中科先进技术产业有限公司 | Device and method for detecting corrosion resistance of metal bipolar plate coating of hydrogen fuel cell |
| CN116620926B (en) * | 2023-07-24 | 2023-09-29 | 石狮市益盛化纤织造有限公司 | Polyester knitted fabric unreeling assembly and method thereof |
| CN117630036B (en) * | 2023-11-28 | 2024-05-14 | 浙江何俊机械科技有限公司 | Surface damage check out test set based on hardware |
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