LED display screen detection device

Abstract

The utility model provides an LED display screen detection device, which relates to the technical field of display screen detection, and comprises a detection table, the upper end of the detection table is fixedly connected with cushion blocks which are distributed in an annular array, the upper end of the detection table is provided with guide grooves which are distributed in an annular array, and the inner bottom wall of the detection table is provided with a double-fixing mechanism. The double-fixing mechanism comprises a rotating rod, the lower end of the rotating rod is rotationally connected with the inner bottom wall of the detection table through a bearing, the rotating rod is fixedly sleeved with a worm gear, the upper end of the rotating rod is fixedly connected with a rotating disc, and the upper end of the rotating disc is provided with inclined grooves distributed in an annular array. According to the LED display screen detection device, automatic clamping of LED display screens of different sizes is achieved, the upper ends of the LED display screens are further pressed and limited through the L-shaped pressing blocks after clamping, the stability of the LED display screens during detection is greatly improved, and through automatic clamping and fixing, the manual labor force is reduced, and the detection efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to display screen detection technical field especially relates to a LED display screen detection device. BACKGROUND

[0002] LED display screen: a flat panel display is composed of a small LED module panel, and LED is a display mode by controlling semiconductor light emitting diode, which is a diode made of gallium and arsenic, phosphorus, nitrogen and indium compound, when electron and hole recombine, can radiate visible light, so it can be used to make light emitting diode, after the production of LED display screen, corresponding detection work needs to be carried out to ensure the quality of display screen, and the existing detection device needs to fix the display screen when detecting the display screen to ensure the stability of detection.

[0003] Such as a kind of LED display screen detection device (announcement number: CN215067077U) of Chinese patent document publication, this patent although by the rotation of threaded rod, can drive threaded block left and right movement, and the left and right movement of threaded block, can drive control box left and right offset movement, further can drive two sliding frames and detection plate left and right offset movement, finally can drive the display screen being detected to left and right offset, and the left and right offset of display screen, not only facilitate better detection, and do not need manual operation, reduce the difficulty when operating, further speed up display screen detection efficiency.

[0004] However, in actual detection process, due to the diversification of display screen model, size specification is quite different, and its fastening assembly size is fixed, only the display screen of single size can be fixed, and the practicability is low, and the fastening assembly is fixed by manually screwing two symmetrically distributed screw rods in turn to press and fix the upper end of the two sides of display screen, since the manual operation efficiency is slow, therefore, in batch detection, frequent manual fixing and disassembling greatly reduce the problem of display screen detection efficiency. Practical new type content

[0005] The utility model aims at solving the shortcomings in the prior art, and the operation is more complicated when fixing display screen at present, reduces detection efficiency, and only the display screen of single size can be fixed, so the practicability is low.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme:

[0007] The utility model provides a kind of LED display screen detection device, including detection table, the upper end of the detection table is fixedly connected with the pad block of annular array distribution, the upper end of the detection table is equipped with the guide slot of annular array distribution, the inner bottom wall of the detection table is provided with double fixing mechanism, and double fixing mechanism includes rotating rod, the lower end of the rotating rod is rotatably connected with the inner bottom wall of the detection table by bearing, the outside of the rotating rod is fixedly sleeved with worm wheel;

[0008] The upper end of the rotating rod is fixedly connected with the rotating disc, the upper end of the rotating disc is equipped with the inclined slot of annular array distribution, the inner bottom wall of the detection table is equipped with the limit sliding slot of annular array distribution, the inner wall of the limit sliding slot is slidably connected with the limit sliding block, the upper end of the limit sliding block is fixedly connected with the sliding tube, the outside of the sliding tube is slidably inserted with the inner wall of the inclined slot, the upper end of the sliding tube penetrates guide slot and extends to the upper end of the detection table, the outside of the upper end of the sliding tube is fixedly sleeved with the plane clamping block.

[0009] Preferably, the outside of the sliding tube is equipped with strip notch, the inner wall of the sliding tube is movably sleeved with movable rod, the upper end of the movable rod is fixedly connected with L-shaped pressing block, the inner top wall of the detection table is fixedly installed with first servo motor.

[0010] Preferably, the output shaft of the first servo motor is fixedly installed with screw rod through shaft coupling, one end of the screw rod is rotatably connected with the upper end of the rotating disc through bearing, and the outside of the screw rod is threadedly connected with threaded block.

[0011] Preferably, the periphery of the threaded block is fixedly connected with the shrink sleeve of annular array distribution, the inner wall of the shrink sleeve is movably sleeved with telescopic rod, and one end of the telescopic rod penetrates strip notch and is fixedly connected with the outside of the movable rod.

[0012] Preferably, the inner bottom wall of the detection table is fixedly installed with second servo motor, the output shaft of the second servo motor is fixedly installed with worm through shaft coupling, and the outer surface of the worm is engaged with the tooth surface of the worm wheel.

[0013] Preferably, the upper end of the detection table is fixedly connected with fixed support, the inner top wall of the fixed support is fixedly installed with transverse electric sliding rail, the outside of the transverse electric sliding rail is slidably connected with transverse sliding sleeve, and the lower end of the transverse sliding sleeve is fixedly installed with longitudinal electric sliding rail.

[0014] Preferably, the outside of the longitudinal electric sliding rail is slidably connected with longitudinal sliding sleeve, and the lower end of the longitudinal sliding sleeve is fixedly installed with detector body.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] The utility model discloses a double fixing mechanism, realize the automatic clamping of the LED display screen of different sizes, and further press the upper end through the L type pressure block after clamping, greatly improve the stability of LED display screen detection, and through the automatic clamping fixed, not only reduce the manual labor, and improve the effect of detection efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The utility model provides a kind of main body structure schematic diagram of LED display screen detection device;

[0018] Figure 2 The utility model provides a kind of carousel structure perspective drawing of LED display screen detection device;

[0019] Figure 3 The utility model provides a kind of detection bench structure perspective drawing of LED display screen detection device;

[0020] Figure 4 The utility model provides a kind of sliding tube structure perspective drawing of LED display screen detection device;

[0021] Figure 5 The utility model provides a kind of horizontal electric slide rail structure perspective drawing of LED display screen detection device.

[0022] Legend explanation: 1, detection bench;2, cushion block;3, guide slot;4, rotating rod;41, worm wheel;42, carousel;43, inclined chute;44, limit sliding slot;45, limit sliding block;46, sliding tube;47, plane clamping block;48, strip notch;49, movable rod;410, L type pressure block;411, first servo motor;412, screw;413, screw block;414, contraction sleeve;415, telescopic rod;416, second servo motor;417, worm;5, fixed support;6, horizontal electric slide rail;7, horizontal sliding sleeve;8, longitudinal electric slide rail;9, longitudinal sliding sleeve;10, detector body. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described below in conjunction with the embodiments of the utility model, apparently, the described embodiments only are a part of the embodiments of the utility model, not all the embodiments, based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without doing creative labor belong to the range of the utility model protection.

[0024] For the convenience of understanding the utility model, the following will be described in relation to the utility model more fully, given several embodiments of the utility model, however, the utility model can be realized in many different forms, and is not limited to the embodiments described herein, on the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0025] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can be intervening elements, and when an element is referred to as being "connected to" another element, it can be directly connected to the other element or there can be intervening elements, the terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs, the terminology used in the specification of the utility model herein is only for the purpose of describing specific embodiments and is not intended to limit the utility model, the term "and / or" used herein includes any and all combinations of one or more of the associated listed items.

[0027] Embodiments

[0028] As Figures 1-5 shown, the utility model provides a technical scheme: a kind of LED display screen detection device, including detection table 1, the upper end of detection table 1 is fixedly connected with the cushion block 2 of ring array distribution, the main role of cushion block 2 is to provide an initial support platform for the LED display screen to be detected, ensure the stability when display screen is placed, while avoiding display screen and detection table direct contact, reduce possible friction and damage risk.

[0029] The upper end of detection table 1 is provided with the guide groove 3 of ring array distribution, the inner bottom wall of detection table 1 is provided with double fixing mechanism, and the double fixing mechanism includes rotating rod 4, the lower end of rotating rod 4 is rotatably connected with the inner bottom wall of detection table 1 by bearing, worm wheel 41 is fixedly sleeved on the outside of rotating rod 4, worm wheel 41 as the key component of transmission system will accept the power from other driving components, and will be converted into the rotary power of rotating rod 4, provides power source for subsequent action.

[0030] The upper end of rotating rod 4 is fixedly connected with turntable 42, the upper end of turntable 42 is provided with the inclined groove 43 of ring array distribution, and the inclined groove 43 is the key structure for realizing the movement of sliding pipe 46, and the unique inclined design of the inclined groove 43 ingeniously converts the rotary motion of turntable 42 into the linear motion of sliding pipe 46, which provides a basis for the horizontal movement of plane clamping block 47.

[0031] The inner bottom wall of the detection table 1 is provided with a limit sliding groove 44 arranged in an annular array, the inner wall of the limit sliding groove 44 is slidably connected with a limit sliding block 45, the upper end of the limit sliding block 45 is fixedly connected with a sliding pipe 46, and the cooperation between the limit sliding block 45 and the limit sliding groove 44 plays an accurate limiting and guiding role, so that the sliding pipe 46 will not deviate or shake during movement, and the stability and accuracy of the whole movement process are ensured.

[0032] The outer part of the sliding pipe 46 is slidably inserted with the inner wall of the chute 43, the upper end of the sliding pipe 46 penetrates through the guide groove 3 and extends to the upper end of the detection table 1, the outer part of the upper end of the sliding pipe 46 is fixedly sleeved with a plane clamping block 47, the plane clamping block 47 is a component directly contacting with the LED display screen, and the horizontal movement thereof realizes the preliminary clamping function of the two sides or the periphery of the display screen. According to the shape and size of the LED display screen, the clamping position and force can be flexibly adjusted to achieve the purpose of stable clamping.

[0033] The outer part of the sliding pipe 46 is provided with a strip-shaped notch 48, the strip-shaped notch 48 provides a channel for the movement of the subsequent movable components, and ensures that the related components can move accurately within the defined path.

[0034] The inner wall of the sliding pipe 46 movably sleeved with a movable rod 49, the upper end of the movable rod 49 is fixedly connected with an L-shaped pressing block 410, the inner top wall of the detection table 1 is fixedly installed with a first servo motor 411, and the L-shaped pressing block 410 is a component for further pressing and limiting the LED display screen. Through the special L-shaped structure, the upper end of the display screen can be effectively pressed, so that the position deviation of the display screen during the detection process is avoided, and the fixing effect of the whole device on the display screen is further improved.

[0035] The output shaft of the first servo motor 411 is fixedly installed with a lead screw 412 through a shaft coupling, one end of the lead screw 412 is rotatably connected with the upper end of the turntable 42 through a bearing, and the outer part of the lead screw 412 is threadedly connected with a threaded block 413. The rotary motion of the lead screw 412 is converted into the linear motion of the threaded block 413 through threaded transmission, so as to realize the conversion from rotary power to linear motion, and provide power transmission for the subsequent lifting action of other components.

[0036] The outer part of the threaded block 413 is fixedly connected with a contraction sleeve 414 arranged in an annular array, the inner wall of the contraction sleeve 414 movably sleeved with a telescopic rod 415, and the contraction sleeve 414 provides installation and movement space for the subsequent telescopic rod 415, and the annular array design thereof ensures the uniformity of stress and the stability of structure.

[0037] One end of the telescopic rod 415 penetrates through the strip-shaped notch 48 and is fixedly connected with the outside of the movable rod 49, the transmission from the movement of the threaded block 413 to the movement of the movable rod 49 guarantees the continuity and accuracy of power transmission, so that the lifting action of the L-shaped pressing block 410 is realized.

[0038] The inner bottom wall of the detection table 1 is fixedly installed with a second servo motor 416, the output shaft of the second servo motor 416 is fixedly installed with a worm 417 through a shaft coupling, the outer surface of the worm 417 is meshed with the tooth surface of the worm wheel 41, so that the stability and accuracy of the rotation of the rotating rod 4 are guaranteed, and stable power and accurate control are provided for the movement of the planar clamping block 47.

[0039] The upper end of the detection table 1 is fixedly connected with a fixed support 5, the inner top wall of the fixed support 5 is fixedly installed with a horizontal electric sliding rail 6, the outside of the horizontal electric sliding rail 6 is slidably connected with a horizontal sliding sleeve 7, the lower end of the horizontal sliding sleeve 7 is fixedly installed with a vertical electric sliding rail 8, the horizontal sliding sleeve 7 can freely slide along the horizontal electric sliding rail 6, thereby providing a horizontal movement basis platform for the vertical electric sliding rail 8 and the detector body 10, and ensuring that they can move flexibly in the horizontal direction.

[0040] The outside of the vertical electric sliding rail 8 is slidably connected with a vertical sliding sleeve 9, and the lower end of the vertical sliding sleeve 9 is fixedly installed with the detector body 10, the detector body 10 is a core component for detection operation, and through the cooperation of the horizontal electric sliding rail 6 and the vertical electric sliding rail 8, the detector body 10 can realize no dead angle movement in the plane, so that the clamped LED display screen can be comprehensively and carefully detected, and each part of the display screen can be detected, and the detection accuracy and reliability are improved.

[0041] The working process of the utility model is as follows:

[0042] Step one, place the LED display screen to be detected on the cushion block 2 above the detection table 1, then start the second servo motor 416 to drive the worm 417 to rotate, the rotation of the worm 417 drives the rotating rod 4 to rotate through the meshed worm wheel 41, the rotation of the rotating rod 4 drives the sliding pipe 46 to move through the inclined groove 43 on the rotating disc 42, the sliding pipe 46 stably moves through the cooperation of the limiting sliding groove 44 and the limiting sliding block 45, so as to drive the planar clamping block 47 to move and clamp the two sides of the LED display screen, the movement of the sliding pipe 46 makes the telescopic rod 415 shrink along the shrink sleeve 414, if the LED display screen is square, the four sides of the LED display screen will be clamped and fixed;

[0043] Step two, after the initial clamping and fixing, the first servo motor 411 is started to drive the screw rod 412 to rotate, the rotation of the screw rod 412 drives the contraction sleeve 414 to move downward through the threaded block 413, the movement of the contraction sleeve 414 drives the movable rod 49 to move downward through the telescopic rod 415, the downward movement of the movable rod 49 drives the L-shaped pressing block 410 to press the upper end of the LED display screen, thereby further improving the stability of clamping;

[0044] Step three, through the cooperation of the horizontal electric sliding rail 6 and the horizontal sliding sleeve 7, the detector body 10 can move freely in the horizontal direction for detection, and through the cooperation of the vertical electric sliding rail 8 and the vertical sliding sleeve 9, the detector body 10 can move freely in the vertical direction for detection, so as to realize the dead angle-free detection of the clamped LED display screen.

[0045] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. LED display screen detection device, comprising a detection table (1), characterized in that: The upper end of the detection platform (1) is fixedly connected with a ring-shaped array of pads (2), the upper end of the detection platform (1) is provided with a ring-shaped array of guide grooves (3), the inner bottom wall of the detection platform (1) is provided with a double fixing mechanism, and the double fixing mechanism comprises a rotating rod (4), the lower end of the rotating rod (4) is rotatably connected with the inner bottom wall of the detection platform (1) through a bearing, and the outer portion of the rotating rod (4) is fixedly sleeved with a worm wheel (41); The upper end of the rotating rod (4) is fixedly connected with a rotating disc (42), the upper end of the rotating disc (42) is provided with a ring-shaped array of inclined grooves (43), the inner bottom wall of the detection platform (1) is provided with a ring-shaped array of limiting sliding grooves (44), the inner wall of the limiting sliding groove (44) is slidably connected with a limiting sliding block (45), the upper end of the limiting sliding block (45) is fixedly connected with a sliding tube (46), the outer portion of the sliding tube (46) is slidably inserted with the inner wall of the inclined groove (43), the upper end of the sliding tube (46) penetrates through the guide groove (3) and extends to the upper end of the detection platform (1), and the outer portion of the upper end of the sliding tube (46) is fixedly sleeved with a planar clamping block (47). 2.The LED display screen detection device according to claim 1, characterized in that: The outer portion of the sliding tube (46) is provided with a strip-shaped notch (48), the inner wall of the sliding tube (46) is movably sleeved with a movable rod (49), the upper end of the movable rod (49) is fixedly connected with an L-shaped pressing block (410), and the inner top wall of the detection platform (1) is fixedly installed with a first servo motor (411). 3.The LED display screen detection device of claim 2, characterized in that: The output shaft of the first servo motor (411) is fixedly installed with a lead screw (412) through a shaft coupling, one end of the lead screw (412) is rotatably connected with the upper end of the rotating disc (42) through a bearing, and the outer portion of the lead screw (412) is threadedly connected with a threaded block (413).

4. The LED display screen detection device according to claim 3, characterized in that: The outer portion of the threaded block (413) is fixedly connected with a ring-shaped array of shrink sleeves (414), the inner wall of the shrink sleeve (414) is movably sleeved with a telescopic rod (415), and one end of the telescopic rod (415) penetrates through the strip-shaped notch (48) and is fixedly connected with the outer portion of the movable rod (49). 5.The LED display screen detection device according to claim 1, characterized in that: The inner bottom wall of the detection platform (1) is fixedly installed with a second servo motor (416), the output shaft of the second servo motor (416) is fixedly installed with a worm gear (417) through a shaft coupling, and the outer surface of the worm gear (417) is engaged with the tooth surface of the worm wheel (41). 6.The LED display screen detection device according to claim 1, characterized in that: The upper end of the detection platform (1) is fixedly connected with a fixed support (5), the inner top wall of the fixed support (5) is fixedly installed with a transverse electric sliding rail (6), the outer portion of the transverse electric sliding rail (6) is slidably connected with a transverse sliding sleeve (7), and the lower end of the transverse sliding sleeve (7) is fixedly installed with a longitudinal electric sliding rail (8).

7. The LED display screen detection apparatus according to claim 6, characterized in that: The outer portion of the longitudinal electric sliding rail (8) is slidably connected with a longitudinal sliding sleeve (9), and the lower end of the longitudinal sliding sleeve (9) is fixedly installed with a detector body (10).

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