CN113866583A - LED (light emitting diode) detection system and method thereof - Google Patents
LED (light emitting diode) detection system and method thereof Download PDFInfo
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- CN113866583A CN113866583A CN202111182897.0A CN202111182897A CN113866583A CN 113866583 A CN113866583 A CN 113866583A CN 202111182897 A CN202111182897 A CN 202111182897A CN 113866583 A CN113866583 A CN 113866583A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/26—Testing of individual semiconductor devices
- G01R31/2601—Apparatus or methods therefor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
- G01N3/34—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by mechanical means, e.g. hammer blows
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/44—Testing lamps
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0032—Generation of the force using mechanical means
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Abstract
The invention relates to the technical field of diode detection, in particular to an LED diode detection system and a method thereof. The invention can solve the problems that the traditional LED diode has low detection efficiency, is difficult to master the precision, is not beneficial to industrial production, and can reduce the accuracy of a detection result by only carrying out one-time detection. The invention designs the equipment capable of detecting the connection strength between the pins and the epoxy resin of the plurality of LED diodes, improves the detection efficiency of the LED diodes, ensures the accuracy of the detection result through multiple detections, and simultaneously performs quality detection on the LED diodes through circuit detection on the basis of mechanical detection to further screen out the LED diodes with better internal quality.
Description
Technical Field
The invention relates to the technical field of diode detection, in particular to a system and a method for detecting an LED diode.
Background
The LED diode is a commonly used light-emitting device and mainly comprises five materials of pins, silver colloid, a wafer, gold wires and epoxy resin, the LED diode emits light by energy released by electron and hole recombination, and can efficiently convert electric energy into light energy.
At present, when the quality of the manufactured LED diode is detected, the following defects generally exist: 1. after the LED diode is manufactured, in order to ensure the use quality of the LED diode, the connection strength between the pins and the epoxy resin and the connection condition inside the LED diode generally need to be detected, but the prior art has low detection efficiency and is difficult to grasp the accuracy of the LED diode, which is not beneficial to industrial production; 2. when the connection strength between the pin and the epoxy resin is detected, detection is usually performed only once, and the detection method has the advantages that accidental detection is not favorable for screening out the LED diodes with insufficient connection strength, and the accuracy of detection results can be reduced.
Disclosure of Invention
The technical scheme is as follows: in order to achieve the purpose, the invention adopts the following technical scheme that the LED diode detection system comprises a substrate, mounting side plates and detection devices, wherein the mounting side plates are symmetrically fixed on the left side and the right side of the upper end surface of the substrate, and the detection devices are connected between the upper ends of the mounting side plates;
the detection device comprises an installation frame, limiting grooves, limiting sliding blocks, a sliding installation plate, an extension spring, a clamping mechanism, an elastic telescopic rod and a detection mechanism, wherein the installation frame is fixed between the upper ends of installation side plates, the limiting grooves are symmetrically formed in the left side and the right side in the installation frame, the limiting sliding blocks are slidably installed in the limiting grooves, the upper ends of the two limiting sliding blocks are connected through the sliding installation plate, the rear end of the sliding installation plate is connected with the installation frame through the extension springs which are bilaterally symmetrical, the clamping mechanism is arranged at the upper end of the sliding installation plate, the elastic telescopic rods are symmetrically installed on the left side and the right side of the front end of the installation frame, and the front end of the elastic telescopic rod is connected with the detection mechanism;
the detection mechanism including placing the board, the lead screw, the pressure strip, the belt, the installation piece, the pin groove, the movable block, compression spring, the compact heap and drive the branch chain, the one end that the installing frame was kept away from to the elastic telescopic link is connected with places the board, the upper end of placing the board is rotated and is installed the lead screw that bilateral symmetry set up, the upside threaded connection of lead screw has the pressure strip, it is located and places the board top to be connected with belt and belt between the upside of lead screw, the upper end slidable mounting who places the board has the installation piece of even setting, the pin groove has been seted up to the left and right sides symmetry of installation piece upper end, the lower extreme slidable mounting of pressure strip has the movable block of even setting, the compression groove has been seted up to the left and right sides symmetry of movable block lower extreme, compression spring installs compression spring in the compression groove, compression spring's lower extreme is connected with the compact heap, be connected with on the installation piece and drive the branch chain.
Preferably, the left side and the right side of the upper end of the mounting block are symmetrically provided with clamping grooves, and the left side and the right side of the lower end of the moving block are symmetrically fixed with clamping blocks.
Preferably, the drive branch chain include the connecting rod, driving motor, the axis of rotation, drive pole and spacing square plate, the connecting rod is installed to the front end of installation piece, there is driving motor upper end front side of basement through motor pedestal mounting, be connected with the axis of rotation on driving motor's the output shaft, a plurality of drive poles of fixedly connected with on the lateral wall of axis of rotation, a plurality of drive poles are the spiral and distribute on the axis of rotation lateral wall, spacing square plate is installed to the left and right sides symmetry of terminal surface in the basement, the left side of axis of rotation is rotated and is installed on left spacing square plate, the right side of axis of rotation is rotated and is installed on the spacing square plate on right side.
Preferably, fixture include the standing groove, the gag lever post, the grip block, the centre gripping groove, the inclined groove, the limiting plate, the installation spring, location branch chain and location circular slot, the standing groove has evenly been seted up to sliding mounting panel's upper end, the left and right sides symmetric connection of sliding mounting panel upper end has the gag lever post, it is provided with the grip block to slide between the upside of gag lever post, the centre gripping groove has evenly been seted up to the lower extreme of grip block, standing groove and centre gripping groove set up for corresponding the cooperation, the inclined groove has been seted up to the left and right sides symmetry of centre gripping inslot wall, inclined groove slidable mounting has the limiting plate, the limiting plate is connected with the inclined groove through the installation spring, both ends symmetry is provided with the location branch chain about the grip block, the upper and lower both sides that the gag lever post is close to grip block one end are provided with two sets of location circular slots respectively, every location circular slot of group includes the location circular slot that two longitudinal symmetries set up.
Preferably, the location branch include spread groove, location pearl and location spring, two sets of spread grooves have been seted up to the both ends symmetry about the grip block, every group spread groove includes the spread groove that two longitudinal symmetries set up, slidable mounting has the location pearl in the spread groove, the location pearl passes through the location spring to be connected with the spread groove, location pearl joint is in the location circular slot.
Preferably, the upper end of the clamping plate is uniformly provided with through grooves, and the through grooves are communicated with the clamping grooves.
Preferably, one end of the limiting plate, which is far away from the inclined groove, is provided with an arc-shaped rubber pad.
In addition, the invention also provides a using method of the LED diode detection system, which comprises the following steps:
s1, diode clamping: synchronously placing a plurality of LED diodes in the placing groove, placing pins in the pin grooves, moving the clamping plate downwards, and clamping the epoxy resin through the matching of the clamping groove and the placing groove;
s2, pressing pins: the pressing plate moves downwards along with the lead screw in a rotating mode and presses the pins, and the lead screw stops rotating after the pressing plate moves downwards to a proper distance;
s3, detecting intensity: the mounting blocks are driven to reciprocate back and forth one by driving the branched chains, so that the pins pull the epoxy resin and the sliding mounting plate to reciprocate back and forth, and the connection strength of the epoxy resin and the pins is detected;
s4, quality detection: and when the step S3 is finished, detecting the connection condition inside the LED diode through external circuit detection equipment, and taking down and collecting qualified LED diodes after the detection is finished.
(II) beneficial effect: 1. the invention designs the equipment capable of detecting the connection strength between the pins and the epoxy resin for the plurality of LED diodes, and can also detect the connection condition inside the LED diodes after the strength detection through external circuit detection equipment, thereby improving the detection efficiency of the LED diodes, being beneficial to the industrial production of the LED diodes, ensuring the accuracy of the detection result through multiple detections when detecting the connection strength between the pins and the epoxy resin, being convenient for screening the LED diodes with insufficient connection strength, and simultaneously carrying out quality detection on the LED diodes through circuit detection on the basis of mechanical detection, and further screening the LED diodes with better internal quality.
2. According to the invention, the pins placed on the placing plate are compressed by the compression block, then the placing plate and the pins are driven to move forwards one by driving the branched chains, the rear ends of the pins are connected with the epoxy resin, so that the epoxy resin and the sliding mounting plate are synchronously driven to move forwards, the stretching spring is stretched in the process of the forward movement of the sliding mounting plate, the connection strength between the epoxy resin and the pins is further detected, the connection strength does not meet the standard, and the pins can slide relatively to or even separate from the epoxy resin.
3. After the connection strength detection is completed once, under the elastic acting force of the extension spring, the sliding mounting plate and the placing plate reset, the placing plate and the pins are driven by the driving branched chain to move forwards continuously for next strength detection, the accuracy of a detection result is ensured after the detection is performed for multiple times, and then the LED diodes which are mechanically detected and completed are subjected to circuit detection to further screen the LED diodes with better quality.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a sectional view taken along line a-a of fig. 2 in accordance with the present invention.
Fig. 4 is a sectional view taken along line B-B of fig. 2 in accordance with the present invention.
Fig. 5 is an enlarged view of a portion of the invention at X of fig. 3.
Fig. 6 is a partial enlarged view of the invention at Y of fig. 4.
Fig. 7 is a schematic perspective view of an LED diode.
In the figure: 1. a substrate; 2. installing a side plate; 3. a detection device; 31. installing a frame; 32. a limiting groove; 33. a limiting slide block; 34. a slide mounting plate; 35. an extension spring; 36. a clamping mechanism; 361. a placement groove; 362. a limiting rod; 363. a clamping plate; 3631. a through groove; 364. a clamping groove; 365. an inclined groove; 366. a limiting plate; 367. installing a spring; 368. positioning the branched chain; 3681. connecting grooves; 3682. a positioning bead; 3683. a positioning spring; 369. positioning the circular groove; 37. an elastic telescopic rod; 38. a detection mechanism; 381. placing the plate; 382. a lead screw; 383. a compression plate; 384. a belt; 385. mounting blocks; 3851. a card slot; 386. a lead groove; 387. a moving block; 3871. a clamping block; 388. a compression spring; 389. a compression block; 390. driving the branched chain; 3901. a connecting rod; 3902. a drive motor; 3903. a rotating shaft; 3904. driving the rod; 3905. a limiting square plate; 4. an epoxy resin; 5. and (7) a pin.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
Referring to fig. 1, 3, 4 and 7, the LED diode detection system includes a substrate 1, mounting side plates 2 and a detection device 3, wherein the mounting side plates 2 are symmetrically fixed on the left and right sides of the upper end surface of the substrate 1, and the detection device 3 is connected between the upper ends of the mounting side plates 2.
Referring to fig. 1, 3 and 4, the detecting device 3 includes a mounting frame 31, a limiting groove 32, limiting sliders 33, a sliding mounting plate 34, an extension spring 35, a clamping mechanism 36, an elastic telescopic rod 37 and a detecting mechanism 38, the mounting frame 31 is fixed between the upper ends of the mounting side plates 2, the limiting grooves 32 are symmetrically formed on the left and right sides in the mounting frame 31, the limiting sliders 33 are slidably mounted in the limiting grooves 32, the upper ends of the two limiting sliders 33 are connected through the sliding mounting plate 34, the rear end of the sliding mounting plate 34 is connected with the mounting frame 31 through the extension spring 35 which is bilaterally symmetric, the clamping mechanism 36 is arranged at the upper end of the sliding mounting plate 34, the elastic telescopic rods 37 are symmetrically mounted on the left and right sides of the front end of the mounting frame 31, the front end of the elastic telescopic rod 37 is connected with the detecting mechanism 38, and an external circuit detecting device is arranged in the detecting mechanism 38 for detecting whether the LED diode is luminous, when the LED lamp works specifically, a plurality of LED diodes are synchronously placed on the sliding mounting plate 34, the pins 5 are placed in the detection mechanism 38, the clamping mechanism 36 is driven to move to clamp the epoxy resin 4 on the LED diodes through the clamping mechanism 36, then the detection mechanism 38 detects the connection strength between the pins 5 and the epoxy resin 4 for a plurality of times, the sliding mounting plate 34 drives the limiting slide block 33 to reciprocate in the front-back direction in the limiting groove 32 while detecting the strength, the stretching spring 35 is stretched when the sliding mounting plate 34 moves forwards, the sliding mounting plate 34 resets under the elastic action of the stretching spring 35 after the sliding mounting plate 34 moves to a proper position, and after the detection of the connection strength for a plurality of times is completed, the external circuit detection equipment is used for detecting whether the LED diodes emit light or not to further determine the use quality of the LED diodes, and the LED diodes which meet the standard are taken down and collected.
Referring to fig. 3 and 5, the clamping mechanism 36 includes a placement groove 361, a limiting rod 362, a clamping plate 363, a clamping groove 364, an inclined groove 365, a limiting plate 366, an installation spring 367, a positioning branched chain 368 and a positioning circular groove 369, the placement groove 361 is uniformly formed in the upper end of the sliding installation plate 34, the limiting rod 362 is symmetrically connected to the left side and the right side of the upper end of the sliding installation plate 34, and the clamping plate 363 is slidably arranged between the upper sides of the limiting rods 362; the upper end of the clamping plate 363 is uniformly provided with through grooves 3631, the through grooves 3631 are communicated with the clamping grooves 364, so that the luminous state of the LED can be observed conveniently, the lower end of the clamping plate 363 is uniformly provided with clamping grooves 364, the placing grooves 361 and the clamping grooves 364 are correspondingly matched, the left side and the right side of the inner wall of the clamping grooves 364 are symmetrically provided with inclined grooves 365, and the inclined grooves 365 are provided with limit plates 366 in a sliding manner; when the clamping plate is in specific work, after epoxy resin 4 is placed in the placing groove 361, the clamping plate 363 is pushed to slide downwards on the limiting rod 362, the positioning branch chain 368 is enabled to be clamped into the positioning circular groove 369 on the lower side from the positioning circular groove 369 on the upper side, the limiting plate 366 at the moment contacts with the epoxy resin 4 to push the epoxy resin 4 to move towards the middle position of the placing groove 361, so that epoxy resins 4 with different sizes and specifications can be clamped and limited conveniently, and the smaller epoxy resin 4 is prevented from shaking in the placing groove 361 when strength detection is carried out on the smaller epoxy resin 4, at this time, the side of the stopper plate 366 adjacent to the inclined groove 365 moves into the inclined groove 365 and presses the mounting spring 367, and damage to the outer surface of the epoxy resin 4 at the time of clamping is prevented by the cushioning and elastic action of the mounting spring 367 and the arc-shaped rubber pad.
Referring to fig. 5, the positioning branch chain 368 includes a connecting groove 3681, a positioning bead 3682 and a positioning spring 3683, two sets of connecting grooves 3681 are symmetrically formed in the left end and the right end of the clamping plate 363, each set of connecting grooves 3681 includes two connecting grooves 3681 symmetrically formed in an up-down manner, the positioning bead 3682 is slidably mounted in the connecting groove 3681, the positioning bead 3682 is connected with the connecting groove 3681 through the positioning spring 3683, the positioning bead 3682 is connected in the positioning circular groove 369 in a clamped manner, in specific work, when epoxy resin 4 needs to be clamped, the clamping plate 363 is pushed to slide downwards to move to the position at the same horizontal height as the positioning circular groove 369 on the lower side, and the positioning bead 3682 slides out of the positioning circular groove 369 on the upper side at the moment and is clamped into the positioning circular groove 369 on the lower side under the action of the positioning spring 3683.
Referring to fig. 4 and 6, the detecting mechanism 38 includes a placing plate 381, a lead screw 382, a pressing plate 383, a belt 384, a mounting block 385, a pin slot 386, a moving block 387, a pressing spring 388, a pressing block 389 and a driving branched chain 390, one end of the elastic telescopic rod 37 far away from the mounting frame 31 is connected with the placing plate 381, the upper end of the placing plate 381 is rotatably provided with the lead screw 382 which is arranged bilaterally symmetrically, the upper side of the lead screw 382 is connected with the pressing plate 383 in a threaded manner, the belt 384 is connected between the upper sides of the lead screws 382 and is positioned above the placing plate 381, the upper end of the placing plate 381 is slidably provided with the uniformly arranged mounting block 385, the left side and the right side of the upper end of the mounting block 385 are symmetrically provided with the pin slot 386, the lower end of the pressing plate 383 is slidably provided with the uniformly arranged moving block 387, the left side and the right side of the lower end of the moving block 387 are symmetrically provided with the pressing slots, the pressing spring 388 is installed in the pressing slot, the lower end of the pressing spring 388 is connected with the pressing block 389, the mounting block 385 is connected with a driving branched chain 390, the mounting block 385 always slides on the placing plate 381, and the moving block 387 always slides on the pressing plate 383; clamping grooves 3851 are symmetrically formed in the left side and the right side of the upper end of the mounting block 385, clamping blocks 3871 are symmetrically fixed to the left side and the right side of the lower end of the moving block 387, when the LED lamp works, the pins 5 are placed in the pin grooves 386, the lead screw 382 is rotated, the pressing plate 383 moves downwards, the pressing block 389 moves downwards along with the pin 5 and contacts with the pin 5, the pin 5 is pressed through the elastic action of the pressing spring 388, and at the moment, the clamping blocks 3871 are inserted into the clamping grooves 3851; after the pins 5 are pressed, the mounting blocks 385 are sequentially driven to move forwards by driving the branched chains 390, in the process that one mounting block 385 moves forwards, the clamping groove 3851 drives the clamping block 3871 to synchronously move forwards and enable the pressed pins 5 to move forwards, the pins 5 move forwards to drive the epoxy resin 4 to move forwards and enable the clamping mechanism 36 and the sliding mounting plate 34 to move forwards along with the clamping block 3871, the sliding mounting plate 34 moves forwards to stretch the stretching springs 35, and the connection strength of each pin 5 and the epoxy resin 4 is detected one by one through the elastic acting force of the stretching springs 35. If the connection strength of the pins 5 and the epoxy resin 4 is insufficient, relative sliding may occur between the pins 5 and the epoxy resin 4 or the pins 5 are separated from the epoxy resin 4, if the pins 5 are separated from the epoxy resin 4, the pins 5 can be directly identified as LED diodes which do not meet the quality standard, if the pins 5 are only separated from the epoxy resin 4, the pins are only relatively slid and the connection condition inside the LED diodes can be affected, the pins can be further detected by external circuit detection equipment, if the pins are in poor contact, the pins can also be identified as LED diodes which do not meet the quality standard, the accuracy of the detection result is ensured by double detection of machinery and circuits, and the LED diodes with better quality are further screened out.
Referring to fig. 1, the driving branched chain 390 includes a connecting rod 3901, a driving motor 3902, a rotating shaft 3903, a driving rod 3904 and a limiting square plate 3905, the connecting rod 3901 is installed at the front end of the installation block 385, the driving motor 3902 is installed on the front side of the upper end of the substrate 1 through a motor base, the rotating shaft 3903 is connected to the output shaft of the driving motor 3902, a plurality of driving rods 3904 are fixedly connected to the outer side wall of the rotating shaft 3903, the driving rods 3904 are spirally distributed on the outer side wall of the rotating shaft 3, the limiting square plate 3905 is symmetrically installed on the left side and the right side of the upper end surface of the substrate 1, the left side of the rotating shaft 3903 is rotatably installed on the limiting square plate 3905 on the left side, the right side of the rotating shaft 3903 is rotatably installed on the limiting square plate 3905 on the right side, in specific work, the driving motor 3902 drives the rotating shaft 3903 to rotate on the limiting square plate 3905, the driving rods 3904 to rotate along with the driving rods 3904 and contact with the connecting rod 3901 one by one another, the other, the driving rod 3904 drives the installation block 385 to move forwards and enables the sliding installation plate 34 to contact with the connecting rod 3901 when the connecting rod 3904 to contact with the connecting rod when the connecting rod 1 Preceding motion, after drive pole 3904 and connecting rod 3901 separate, under extension spring 35's elastic action, connecting rod 3901 and installation piece 385 reset and are convenient for carry out next time and detect, after the rotatory round of axis of rotation 3903, just in time all carried out joint strength's detection to every LED diode, carry out many times to the LED diode through rotatory axis of rotation 3903 many times and detect.
In addition, the invention also provides a using method of the LED diode detection system, which comprises the following steps:
s1, diode clamping: synchronously placing a plurality of LED diodes in the placing groove 361, placing the pins 5 in the pin grooves 386, moving the clamping plate 363 downwards, and clamping the epoxy resin 4 through the matching of the clamping groove 364 and the placing groove 361;
s2, pressing pins: the pressing plate 383 moves downwards along with the rotating screw 382 and presses the pin 5, and when the pressing plate 383 moves downwards to a proper distance, the rotating screw 382 is stopped;
s3, detecting intensity: the mounting blocks 385 are driven to reciprocate back and forth one by driving the branched chains 390, so that the pins 5 pull the epoxy resin 4 and the sliding mounting plate 34 to reciprocate back and forth, and the connection strength of the epoxy resin 4 and the pins 5 is detected;
s4, quality detection: and when the step S3 is finished, detecting the connection condition inside the LED diode through external circuit detection equipment, and taking down and collecting qualified LED diodes after the detection is finished.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. An LED diode detecting system comprises a substrate (1), a mounting side plate (2) and a detecting device (3), and is characterized in that: mounting side plates (2) are symmetrically fixed on the left side and the right side of the upper end surface of the substrate (1), and a detection device (3) is connected between the upper ends of the mounting side plates (2);
the detection device (3) comprises a mounting frame (31), a limit groove (32), a limit slide block (33), a sliding mounting plate (34), an extension spring (35), a clamping mechanism (36), an elastic telescopic rod (37) and a detection mechanism (38), a mounting frame (31) is fixed between the upper ends of the mounting side plates (2), limiting grooves (32) are symmetrically formed in the left side and the right side of the mounting frame (31), limiting sliding blocks (33) are slidably mounted in the limiting grooves (32), the upper ends of the two limiting sliding blocks (33) are connected through a sliding mounting plate (34), the rear end of the sliding mounting plate (34) is connected with the mounting frame (31) through a bilaterally symmetrical tension spring (35), a clamping mechanism (36) is arranged at the upper end of the sliding mounting plate (34), elastic telescopic rods (37) are symmetrically mounted on the left side and the right side of the front end of the mounting frame (31), and the front end of each elastic telescopic rod (37) is connected with a detection mechanism (38);
the detection mechanism (38) comprises a placing plate (381), a screw rod (382), a pressing plate (383), a belt (384), an installation block (385), a pin groove (386), a moving block (387), a pressing spring (388), a pressing block (389) and a driving branched chain (390), wherein the end, far away from the installation frame (31), of the elastic telescopic rod (37) is connected with the placing plate (381), the upper end of the placing plate (381) is rotatably provided with the screw rod (382) which is arranged in bilateral symmetry, the upper side of the screw rod (382) is in threaded connection with the pressing plate (383), the belt (384) is connected between the upper sides of the screw rod (382), the belt (384) is positioned above the placing plate (381), the evenly-arranged installation block (385) is slidably installed at the upper end of the placing plate (381), the pin grooves (386) are symmetrically arranged at the left side and the right side of the upper end of the installation block (385), the evenly-arranged moving block (387) is slidably installed at the lower end of the pressing plate (383), the left side and the right side of the lower end of the moving block (387) are symmetrically provided with a pressing groove, a pressing spring (388) is installed in the pressing groove, the lower end of the pressing spring (388) is connected with a pressing block (389), and a driving branched chain (390) is connected to the installing block (385).
2. The LED diode detection system of claim 1, wherein: clamping grooves (3851) are symmetrically formed in the left side and the right side of the upper end of the mounting block (385), and clamping blocks (3871) are symmetrically fixed to the left side and the right side of the lower end of the moving block (387).
3. The LED diode detection system of claim 1, wherein: drive branch (390) including connecting rod (3901), driving motor (3902), axis of rotation (3903), driving rod (3904) and spacing square plate (3905), connecting rod (3901) are installed to the front end of installation piece (385), driving motor (3902) are installed through motor base to the upper end front side of basement (1), be connected with axis of rotation (3903) on the output shaft of driving motor (3902), a plurality of driving rods (3904) of fixedly connected with on the lateral wall of axis of rotation (3903), a plurality of driving rods (3904) are the spiral distribution on axis of rotation (3903) lateral wall, spacing square plate (3905) are installed to the left and right sides symmetry of basement (1) up end, the left side of axis of rotation (3903) is rotated and is installed on left spacing square plate (3905), the right side of axis of rotation (3903) is rotated and is installed on the spacing square plate (3905) on right side.
4. The LED diode detection system of claim 1, wherein: the clamping mechanism (36) comprises a placing groove (361), a limiting rod (362), a clamping plate (363), a clamping groove (364), an inclined groove (365), a limiting plate (366), an installation spring (367), a positioning branched chain (368) and a positioning circular groove (369), the placing groove (361) is uniformly formed in the upper end of the sliding mounting plate (34), the limiting rod (362) is symmetrically connected to the left side and the right side of the upper end of the sliding mounting plate (34), the clamping plate (363) is slidably arranged between the upper sides of the limiting rods (362), the clamping groove (364) is uniformly formed in the lower end of the clamping plate (363), the placing groove (361) and the clamping groove (364) are correspondingly matched, the inclined groove (365) is symmetrically formed in the left side and the right side of the inner wall of the clamping groove (364), the limiting plate (366) is slidably installed in the inclined groove (365), and the limiting plate (366) is connected with the inclined groove (365) through the installation spring (367), the left end and the right end of the clamping plate (363) are symmetrically provided with positioning branched chains (368), the upper side and the lower side of one end, close to the clamping plate (363), of the limiting rod (362) are respectively provided with two groups of positioning circular grooves (369), and each group of positioning circular grooves (369) comprises two positioning circular grooves (369) which are symmetrically arranged up and down.
5. The LED diode detection system of claim 4, wherein: location branched chain (368) including connecting groove (3681), location pearl (3682) and location spring (3683), two sets of connecting grooves (3681) have been seted up to the left and right sides both ends symmetry of grip block (363), every group connecting groove (3681) includes connecting groove (3681) that two upper and lower symmetries set up, slidable mounting has location pearl (3682) in connecting groove (3681), location pearl (3682) are connected with connecting groove (3681) through location spring (3683), location pearl (3682) joint is in location circular slot (369).
6. The LED diode detection system of claim 4, wherein: the upper end of the clamping plate (363) is uniformly provided with through grooves (3631), and the through grooves (3631) are communicated with the clamping groove (364).
7. The LED diode detection system of claim 4, wherein: an arc-shaped rubber pad is arranged at one end, far away from the inclined groove (365), of the limiting plate (366).
8. The LED diode detection system of claim 7, wherein: the use method of the LED diode detection system comprises the following steps:
s1, diode clamping: synchronously placing a plurality of LED diodes in a placing groove (361), placing pins (5) in pin grooves (386), moving a clamping plate (363) downwards, and clamping epoxy resin (4) through the matching of a clamping groove (364) and the placing groove (361);
s2, pressing pins: the pressing plate (383) moves downwards along with the pressing plate and presses the pin (5) by rotating the lead screw (382), and the lead screw (382) stops rotating after the pressing plate (383) moves downwards to a proper distance;
s3, detecting intensity: the branch chains (390) are driven one by one to drive the mounting blocks (385) to reciprocate back and forth, so that the pins (5) pull the epoxy resin (4) and the sliding mounting plate (34) to reciprocate back and forth, and the connection strength of the epoxy resin (4) and the pins (5) is detected;
s4, quality detection: and when the step S3 is finished, detecting the connection condition inside the LED diode through external circuit detection equipment, and taking down and collecting qualified LED diodes after the detection is finished.
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