Equipment for automatically detecting defects of electronic components

Abstract

The invention discloses automatic defect detection equipment for electronic components, and relates to the technical field of appearance defect detection of electronic components. The electronic component appearance detection device comprises a detection box, a detection mechanism is arranged on the detection box, a turnover mechanism is arranged above the detection box, the electronic component can be turned over after first appearance detection through the arrangement of the turnover mechanism, then secondary detection is conducted, all-around detection can be achieved, the detection effect is improved, and the detection efficiency is improved. Through the arrangement of the material pushing mechanism, the first material guiding plate and the second material guiding plate, unqualified electronic components detected for the first time and unqualified electronic components detected for the second time can be screened out, good products and defective products can be rapidly separated, the good products and the defective products are prevented from being mixed together, and the detection effect is further improved.

Description

Technical Field

[0001] The present invention relates to the technical field of electronic component appearance defect detection, and in particular to an automatic defect detection device for electronic components. Background Art

[0002] Electronic components are the general term for elements and devices. Components usually refer to products whose molecular composition and structure are not changed during processing, and are manufactured by electronic parts companies, such as resistors, capacitors, inductors, potentiometers, transformers, connectors, switches, quartz, ceramic components, relays, etc. Devices refer to products whose molecular composition and structure are changed during processing, and are manufactured by semiconductor companies, such as diodes, triodes, field effect transistors, various optoelectronic devices, various integrated circuits, electric vacuum devices, liquid crystal displays, etc. In order to ensure the quality and life of electronic components, the detection of their appearance defects is an indispensable part of the production process of electronic components. Most of the current electronic components are set in a square shape; Existing automatic defect detection equipment for electronic components mostly uses conveyor belts to transport electronic components and then performs appearance inspection. However, the electronic components always remain relatively still during transportation, so that the side of the electronic components in contact with the conveyor belt cannot be inspected, thereby failing to achieve all-round inspection, affecting the inspection effect; secondly, during inspection, good and defective products cannot be separated quickly, and manual separation will easily cause the two to be mixed together, affecting the inspection effect. Therefore, we propose an automatic defect detection equipment for electronic components. Summary of the invention

[0003] In order to solve the problem that the current electronic components always remain relatively still during transportation, so that the side of the electronic components that contacts the conveyor belt cannot be inspected, thereby failing to achieve all-round inspection and affecting the inspection effect; the purpose of the present invention is to provide an automatic defect detection device for electronic components.

[0004] In order to solve the above technical problems, the present invention adopts the following technical solutions: an automatic defect detection device for electronic components, comprising a detection box, a detection mechanism is provided on the detection box, and a flip mechanism is provided above the detection box; The flipping mechanism includes a second rotating shaft, a first worm and a motor. The motor drives the second rotating shaft and the first worm to rotate. With the cooperation of the first driven pulley, the first belt and the first driving pulley, the motor can drive the first rotating shaft and the disc to rotate. The guide block moves in the guide groove. When the guide block passes through the inclined section, the guide block can drive the connecting block and the fourth rotating shaft to rotate. With the cooperation of the second driven pulley, the second belt and the second driving pulley, the motor can drive the third rotating shaft to rotate. The third rotating shaft drives the clamping part to flip, thereby realizing the flipping of the electronic components.

[0005] Preferably, the detection mechanism includes a conveying device provided on the detection box, the detection box is provided with a loading plate and a unloading plate, the detection box is provided with a first detection camera and a second detection camera, the detection box is provided with a first material guide plate and a second material guide plate, the detection box is provided with a pushing mechanism that cooperates with the first material guide plate and the second material guide plate, and the conveying device is provided with a limiting mechanism.

[0006] Preferably, the flip mechanism includes a mounting cover provided above the detection box, a disc is provided in the mounting cover, two groups of mounting plates are provided at the bottom of the disc, a third rotating shaft and a fourth rotating shaft are penetrated by the side walls of the mounting plates, a second driven pulley is provided at one end of the third rotating shaft, a clamping member is connected to the other end of the third rotating shaft, a second driving pulley is provided at one end of the fourth rotating shaft, a second belt is sleeved on the outer walls of the second driving pulley and the second driven pulley, a connecting block is provided at the other end of the fourth rotating shaft, a guide block is provided on the outer side wall of the connecting block, a guide groove matching the guide block is provided on the inner side wall of the mounting cover, a first rotating shaft is provided on the top of the disc, a first driven pulley is provided at one end of the first rotating shaft The gear train is connected with the gear of the first transmission gear, and the gear train is connected with the gear of the first transmission gear, and the gear train is connected with the gear of the first transmission gear, and the gear train is connected with the gear of the first transmission gear.

[0007] Preferably, the guide groove consists of two arc grooves and two inclined grooves, and the two arc grooves are connected through the two inclined grooves.

[0008] Preferably, a fixing block is provided at the bottom of the connecting frame, a second electric telescopic rod is provided on the inner side wall of the mounting plate, and one end of the second electric telescopic rod is connected to the outer side wall of the fixing block.

[0009] The two wheels are connected with the two guide wheels respectively and the two wheels are connected with the two guide wheels, the two wheels are connected with the two guide wheels respectively and the two wheels are connected with the two guide wheels respectively.

[0010] Preferably, the extrusion block is arranged in a right-angled trapezoidal shape, and the inclined surface of the extrusion block is arranged in an arc shape.

[0011] Preferably, sliding rods are provided on the opposite side walls of the two groups of vertical plates, and sliding blocks are sleeved on the outer walls of the sliding rods, and the side walls of the sliding blocks are connected to the side walls of the extrusion blocks.

[0012] Preferably, the limiting mechanism includes two groups of limiting plates provided on the conveying device, two groups of fixed plates are provided on the top of the detection box, the two groups of fixed plates are connected to the opposite side walls with fixing rods, the outer walls of the two groups of fixed rods are sleeved with sliding plates, the bottom of the sliding plate is connected to the top of the limiting plate, the two groups of fixed plates are provided with the opposite side walls with a first electric telescopic rod, and one end of the first electric telescopic rod is connected to the outer wall of the sliding plate.

[0013] Preferably, a through hole is opened on the top of the installation cover, and a bearing three is sleeved and installed on the outer wall of the first rotating shaft, and the bearing three matches the inner wall of the through hole.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention sets a flipping mechanism so that the electronic components of the present application can be flipped after the first appearance inspection, and then a second inspection can be performed, so that all-round inspection can be achieved and the inspection effect can be improved; 2. The present invention sets a pushing mechanism, a first guide plate and a second guide plate, so that the present application can screen out unqualified electronic components in the first and second tests respectively, and can quickly separate good products from defective products to avoid mixing them together, thereby further improving the detection effect.

[0015] 3. The present invention provides a second electric telescopic rod and a fixed block so that the connecting frame of the present application can be moved, so that the first worm can engage with the first gear and the second gear respectively, and the motor can provide power for the flipping mechanism and the pushing mechanism, which can realize the rational distribution and utilization of energy, help to improve the energy efficiency of the overall system, reduce energy consumption, and greatly save costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0018] Figure 2 It is a schematic diagram of the structure of the detection mechanism of the present invention.

[0019] Figure 3 It is a schematic diagram of the structure of the turning mechanism of the present invention.

[0020] Figure 4 It is a schematic diagram of the structure of the disc and the mounting plate of the present invention.

[0021] Figure 5 It is a schematic diagram of the structure of the second driving pulley, the second driven pulley and the guide block of the present invention.

[0022] Figure 6 It is a schematic diagram of the structure of the material pushing mechanism of the present invention.

[0023] Figure 7 It is a schematic diagram of the structure of the limiting mechanism of the present invention.

[0024] Figure 8 It is a schematic diagram of the guide groove and the mounting cover structure of the present invention.

[0025] Fig. 9 It is an expanded view of the guide groove structure of the present invention.

[0026] Fig.10 For the present invention Figure 4 A schematic diagram of the enlarged structure in the middle.

[0027] Fig.11 For the present invention Figure 6 Enlarged schematic diagram of the structure at point B in the middle.

[0028] In the figure: 1, detection box; 2, detection mechanism; 200, loading plate; 201, first detection camera; 202, second detection camera; 203, conveyor; 204, unloading plate; 205, first guide plate; 206, second guide plate; 3, flip mechanism; 300, mounting cover; 301, mounting plate; 302, clamping member; 303, first rotating shaft; 304, first driven pulley; 305, first belt; 306, first driving pulley; 307, support plate; 308, disc; 309, second rotating shaft; 310, third rotating shaft; 311, second driven pulley; 312, second belt; 313, second driving pulley; 314, fourth rotating shaft; 315, Connecting block; 316, guide block; 317, first gear; 318, connecting frame; 319, first worm; 320, motor; 321, guide groove; 4, pushing mechanism; 400, vertical plate; 401, extrusion block; 402, screw rod; 403, slider; 404, slide rod; 405, support frame; 406, guide wheel; 407, spring; 408, push rod; 409, push plate; 410, second worm; 411, second gear; 412, third gear; 413, rotating rod; 5, limiting mechanism; 500, fixed plate; 501, first electric telescopic rod; 502, fixed rod; 503, sliding plate; 504, limiting plate; 6, second electric telescopic rod; 7, fixed block. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] Example: Figure 1-11 As shown, the present invention provides an automatic defect detection device for electronic components, comprising a detection box 1, a detection mechanism 2 is provided on the detection box 1, and a flip mechanism 3 is provided above the detection box 1; The flipping mechanism 3 includes a second rotating shaft 309, a first worm gear 319 and a motor 320. The motor 330 drives the second rotating shaft 309 and the first worm gear 319 to rotate. With the cooperation of the first driven pulley 304, the first belt 305 and the first driving pulley 306, the first rotating shaft 303 and the disk 308 can be driven to rotate. The guide block 316 moves in the guide groove 321. When the guide block 316 passes through the inclined section, the connecting block 315 and the fourth rotating shaft 314 can be driven to rotate. With the cooperation of the second driven pulley 311, the second belt 312 and the second driving pulley 313, the third rotating shaft 310 can be driven to rotate. The third rotating shaft 310 drives the clamping member 302 to flip, thereby realizing the flipping of the electronic components.

[0031] The detection mechanism 2 includes a conveying device 203 provided on the detection box 1, a loading plate 200 and a unloading plate 204 are provided on the detection box 1, a first detection camera 201 and a second detection camera 202 are provided on the detection box 1, a first material guide plate 205 and a second material guide plate 206 are provided on the detection box 1, a pushing mechanism 4 cooperating with the first material guide plate 205 and the second material guide plate 206 is provided on the detection box 1, and a limiting mechanism 5 is provided on the conveying device 203.

[0032] By adopting the above technical solution, appearance defects of electronic components can be automatically detected with a high degree of automation.

[0033] The flip mechanism 3 includes a mounting cover 300 disposed above the detection box 1, a disc 308 is disposed in the mounting cover 300, two sets of mounting plates 301 are disposed at the bottom of the disc 308, a third rotating shaft 310 and a fourth rotating shaft 314 are penetrated through the side wall of the mounting plate 301, a second driven pulley 311 is disposed at one end of the third rotating shaft 310, a clamping member 302 is connected to the other end of the third rotating shaft 310, a second driving pulley 313 is disposed at one end of the fourth rotating shaft 314, and the second driving pulley 313 and the second driven pulley 314 are connected to each other. The outer wall of the driven pulley 311 is sleeved with a second belt 312, the other end of the fourth rotating shaft 314 is provided with a connecting block 315, the outer wall of the connecting block 315 is provided with a guide block 316, the inner wall of the mounting cover 300 is provided with a guide groove 321 that matches the guide block 316, the top of the disc 308 is provided with a first rotating shaft 303, one end of the first rotating shaft 303 is provided with a first driven pulley 304, the top of the mounting cover 300 is provided with a through hole, the outer wall of the first rotating shaft 303 is sleeved with a bearing three, and the bearing three is connected to the The inner wall of the through hole matches, and under the action of the bearing three, the first rotating shaft 303 can be supported. At the same time, the first rotating shaft 303 is more stable when rotating. A support plate 307 is provided on the outer wall of the mounting cover 300. One end of the support plate 307 is connected to the top of the detection box 1. A second rotating shaft 309 is penetrated through the top of the support plate 307. A first driving pulley 306 is provided at one end of the second rotating shaft 309. The outer walls of the first driving pulley 306 and the first driven pulley 304 are sleeved with a first belt 305 The other end of the second rotating shaft 309 is connected to the bearing provided on the top of the detection box 1, and the first gear 317 is installed on the outer wall of the second rotating shaft 309. A connecting frame 318 is provided in the mounting plate 301, and a first worm 319 meshing with the first gear 317 is provided in the connecting frame 318. One end of the first worm 319 is connected to a bearing provided on the inner wall of the connecting frame 318, and a motor 320 is provided on the outer wall of the connecting frame 318. The output end of the motor 320 is connected to the other end of the first worm 319.

[0034] By adopting the above technical solution, after the electronic components are inspected by the first inspection camera 201, they are clamped by the clamping member 302, and then turned over and inspected by the second inspection camera 202, thereby achieving all-round inspection and improving the inspection effect.

[0035] The guide groove 321 is composed of two arc grooves and two inclined grooves, and the two arc grooves are connected through the two inclined grooves.

[0036] By adopting the above technical solution, when the first rotating shaft 303 drives the disc 308 and the mounting plate 301 to rotate, the guide block 316 can move in the guide groove 321, and when the guide block 316 passes through the inclined groove, the guide block 316 will drive the connecting block 315 to rotate 180 degrees with the cooperation of the fourth rotating shaft 314, so that the clamping member 302 can be driven to rotate 180 degrees with the cooperation of the third rotating shaft 310, the second driving pulley 311, the second belt 312, and the second driven pulley 313, so as to realize the flipping of the electronic components, because the inclined grooves are respectively arranged on the front and rear sides of the inner wall of the mounting cover 300, so that when the electronic components are flipped, it is completed on the front and rear sides of the conveying device 203, and the conveying device 203 will not affect the flipping of the electronic components.

[0037] A fixing block 7 is provided at the bottom of the connecting frame 318 , and a second electric telescopic rod 6 is provided on the inner wall of the mounting plate 301 . One end of the second electric telescopic rod 6 is connected to the outer wall of the fixing block 7 .

[0038] By adopting the above technical solution, the connecting frame 318 can be driven to move under the action of the second electric telescopic rod 7, so that the connecting frame 318 can drive the first worm 319 to engage with the first gear 317 and the second gear 411 respectively, and the motor 320 can provide power for the flipping mechanism 3 and the pushing mechanism 4.

[0039] The pushing mechanism 4 includes a screw rod 402 provided in the mounting plate 301, two groups of vertical plates 400 are provided on the top of the detection box 1, the two ends of the screw rod 402 are respectively connected to the bearings 2 provided on the opposite side walls of the two groups of vertical plates 400, the outer wall of the screw rod 402 is sleeved and installed with a second worm 410, the top of the mounting plate 301 is connected with a rotating rod 413 through the bearing 3, the outer wall of the rotating rod 413 is sleeved and installed with a third gear 412 meshing with the second worm 410, and one end of the rotating rod 413 is provided with a second gear 411 meshing with the first worm 319, the left and right outer walls of the screw rod 402 are sleeved with extrusion blocks 401, the opposite side walls of the two groups of vertical plates 400 are provided with slide rods 404, and the outer walls of the slide rods 404 are sleeved with There is a slider 403, and the side wall of the slider 403 is connected to the side wall of the extrusion block 401. Under the action of the slide bar 404 and the slider 403, the extrusion block 401 moves more stably on the outer wall of the screw rod 402. Two groups of support frames 405 are arranged on the top of the detection box 1. The outer walls of the two groups of support frames 405 are movably penetrated by push rods 408. One end of the two groups of push rods 408 is provided with a push plate 409, and the two groups of push plates 409 are respectively matched with the first guide plate 205 and the second guide plate 206. The other end of the two groups of push rods 408 is provided with a guide wheel 406. The outer walls of the two groups of push rods 408 are sleeved with springs 407, one end of the spring 407 is connected to the outer wall of the support frame 405, and the other end of the spring 407 is connected to the outer wall of the guide wheel 406.

[0040] By adopting the above-mentioned technical scheme, unqualified electronic components detected in the first and second inspections can be screened and unloaded respectively, so that unqualified products can be sorted. The motor 320 can rotate forward and reverse (this is a prior art, and the forward and reverse rotation of the motor 320 can be achieved by changing the direction of the current). When the electronic components are found to have defects in appearance under the inspection of the first inspection camera 201, the motor 302 rotates forward to move the right push plate 408 and push the defective electronic components onto the first guide plate 205 to achieve unloading. They can be screened out without undergoing a second inspection, thereby improving the efficiency of inspection. If the electronic components are found to have defects in appearance under the inspection of the second inspection camera 201, the motor 302 reverses to move the left push plate 408 and push the defective electronic components onto the second guide plate 206 to achieve unloading.

[0041] The extrusion block 401 is arranged in a right-angled trapezoidal shape, and the inclined surface of the extrusion block 401 is arranged in an arc shape.

[0042] By adopting the above technical solution, when the extrusion block 401 moves, the arc surface of the extrusion block 401 can squeeze the guide wheel 406, the guide wheel 406 can squeeze the push rod 408 and the spring 407, the push rod 408 can drive the push plate 409 to move, so that the push plate 409 can push the unqualified electronic components.

[0043] The limiting mechanism 5 includes two groups of limiting plates 504 provided on the conveying device 203, two groups of fixed plates 500 are provided on the top of the detection box 1, and the two groups of fixed plates 500 are connected to the opposite side walls with fixed rods 502, and the outer walls of the two groups of fixed rods 502 are both sleeved with sliding plates 503, and the bottom of the sliding plate 503 is connected to the top of the limiting plate 504, and the opposite side walls of the two groups of fixed plates 500 are provided with first electric telescopic rods 501, and one end of the first electric telescopic rod 501 is connected to the outer side wall of the sliding plate 503.

[0044] By adopting the above-mentioned technical solution, the electronic components sliding down from the blanking plate 200 can be limited by the limiting mechanism 5 (the external vibration disk disperses the electronic components and sends them to the blanking plate 200, which is the prior art), ensuring the uniformity of the movement of the electronic components on the conveying device 203.

[0045] Working principle: Pour the electronic components into the external vibration plate, disperse the electronic components and send them to the loading plate 200 through vibration, and slide them onto the conveying device 203. The two sets of limit plates 504 can limit the electronic components so that they can be conveyed neatly. The first detection camera 201 performs appearance inspection on the electronic components. When no defects are detected, the clamping member 302 can clamp the electronic components. Then the motor 320 drives the first worm 319 to rotate, the first worm 319 drives the first gear 317 to rotate, the first gear 317 drives the second shaft 309 to rotate, the second shaft 309 drives the first driving pulley 306 to rotate, and the first belt 305 and the first driven pulley 304 can drive the first shaft 303 to rotate. The first shaft 303 drives The disc 308 rotates, and the disc 308 drives the mounting plate 301 to rotate. The guide block 316 moves in the guide groove 321. When the guide block 316 passes through the inclined groove, it drives the connecting block 315 to rotate. The connecting block 315 drives the fourth rotating shaft 314 and the second active pulley 313 to rotate. With the cooperation of the second belt 312 and the second driven pulley 311, the third rotating shaft 310 can be driven to rotate. The third rotating shaft 310 drives the clamping member 302 to flip 180 degrees. When the clamping member 302 rotates to the conveying device 203 on the other side, the electronic components are put down, and then the appearance inspection is carried out under the action of the second clamping camera 202. When no defects are detected, the conveying device 203 conveys the electronic components to the blanking plate 204 for unloading, thereby realizing all-round inspection of the electronic components. refer to Figure 6 , Fig.10 and Fig.11If, during the first inspection, it is detected that the electronic components have appearance defects, the second electric telescopic rod 6 drives the connecting block 7 and the connecting frame 318 to move, so that the first worm 319 is meshed with the second gear 411, and then the motor 320 rotates forward, the motor 320 drives the second gear 411 to rotate, the second gear 411 drives the rotating rod 413 to rotate, the rotating rod 413 drives the third gear 412 to rotate, the third gear 412 drives the second worm 410 to rotate, and the second worm 410 drives the screw rod 402 rotates, and the two groups of extrusion blocks 403 move to the left under the cooperation of the slider 403 and the slide bar 404, and the arc surface of the extrusion block 403 squeezes the guide wheel 406, and the guide wheel 406 can squeeze the push rod 408 and the spring 407, and the push rod 408 can drive the push plate 409 to move, so that the push plate 409 can push the unqualified electronic components to the first guide plate 205 for unloading, so as to realize sorting. If the electronic components are unqualified in the first inspection, they will be screened out without the need for a second inspection, thereby improving the inspection efficiency; If during the second inspection, it is detected that the electronic components have appearance defects, the motor 320 is reversed, which is opposite to the above operation, and the extrusion block 403 moves to the right, so that the push plate 409 can push the unqualified electronic components to the second guide plate 205 for unloading and sorting.

[0046] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. An automatic defect detection device for electronic components, comprising a detection box (1), characterized in that: The detection box (1) is provided with a detection mechanism (2), and the detection box (1) is provided with a turning mechanism (3) above; The flipping mechanism (3) comprises a second rotating shaft (309), a first worm (319) and a motor (320). The motor (330) drives the second rotating shaft (309) and the first worm (319) to rotate. With the cooperation of the first driven pulley (304), the first belt (305) and the first driving pulley (306), the motor (330) can drive the first rotating shaft (303) and the disk (308) to rotate. The guide block (316) moves in the guide groove (321). When the guide block (316) passes through the inclined section, the motor (330) can drive the third rotating shaft (310) to rotate. The third rotating shaft (310) drives the clamping member (302) to flip, thereby realizing the flipping of the electronic components.

2. The automatic defect detection device for electronic components according to claim 1, characterized in that: The detection mechanism (2) comprises a conveying device (203) provided on the detection box (1); a loading plate (200) and a unloading plate (204) are provided on the detection box (1); a first detection camera (201) and a second detection camera (202) are provided on the detection box (1); a first material guide plate (205) and a second material guide plate (206) are provided on the detection box (1); a material pushing mechanism (4) cooperating with the first material guide plate (205) and the second material guide plate (206) is provided on the detection box (1); and a limiting mechanism (5) is provided on the conveying device (203).

3. The automatic defect detection device for electronic components according to claim 1, characterized in that: The flip mechanism (3) comprises a mounting cover (300) disposed above the detection box (1), a disc (308) being disposed in the mounting cover (300), two sets of mounting plates (301) being disposed at the bottom of the disc (308), a third rotating shaft (310) and a fourth rotating shaft (314) being penetrated through the side wall of the mounting plate (301), a second driven pulley (311) being disposed at one end of the third rotating shaft (310), a clamping member (302) being connected to the other end of the third rotating shaft (310), and a A second driving pulley (313), the outer walls of the second driving pulley (313) and the second driven pulley (311) are sleeved with a second belt (312), the other end of the fourth rotating shaft (314) is provided with a connecting block (315), the outer wall of the connecting block (315) is provided with a guide block (316), the inner wall of the mounting cover (300) is provided with a guide groove (321) matched with the guide block (316), the top of the disc (308) is provided with a first rotating shaft (303), one end of the first rotating shaft (303) is provided with a a driven pulley (304); a support plate (307) is provided on the outer wall of the mounting cover (300); one end of the support plate (307) is connected to the top of the detection box (1); a second rotating shaft (309) is provided through the top of the support plate (307); one end of the second rotating shaft (309) is provided with a first driving pulley (306); a first belt (305) is sleeved on the outer walls of the first driving pulley (306) and the first driven pulley (304); the other end of the second rotating shaft (309) is connected to the top of the detection box (1); A first gear (317) is sleeved and mounted on the outer wall of the second rotating shaft (309); a connecting frame (318) is provided inside the mounting plate (301); a first worm (319) meshing with the first gear (317) is provided inside the connecting frame (318); one end of the first worm (319) is connected to a bearing provided on the inner wall of the connecting frame (318); a motor (320) is provided on the outer wall of the connecting frame (318); an output end of the motor (320) is connected to the other end of the first worm (319).

4. The automatic defect detection device for electronic components as claimed in claim 3, characterized in that: The guide groove (321) consists of two arc grooves and two inclined grooves, and the two arc grooves are connected through the two inclined grooves.

5. The automatic defect detection device for electronic components as claimed in claim 3, characterized in that: A fixing block (7) is provided at the bottom of the connecting frame (318), a second electric telescopic rod (6) is provided on the inner wall of the mounting plate (301), and one end of the second electric telescopic rod (6) is connected to the outer wall of the fixing block (7).

6. The automatic defect detection device for electronic components according to claim 2, characterized in that: The pushing mechanism (4) comprises a screw (402) provided in a mounting plate (301); two groups of vertical plates (400) are provided on the top of the detection box (1); two ends of the screw (402) are respectively connected to bearings 2 provided on opposite side walls of the two groups of vertical plates (400); a second worm (410) is sleeved and installed on the outer wall of the screw (402); a rotating rod (413) is connected to the top of the mounting plate (301) via bearing 3; a third gear (412) meshing with the second worm (410) is sleeved and installed on the outer wall of the rotating rod (413); a second gear (411) meshing with the first worm (319) is provided at one end of the rotating rod (413); and the screw (402) is provided with a plurality of gears (412) meshing with the second worm (410). ) are sleeved with extrusion blocks (401) on the left and right outer walls, two groups of support frames (405) are arranged on the top of the detection box (1), and push rods (408) are movably penetrated through the outer walls of the two groups of support frames (405), and push plates (409) are arranged at one end of the two groups of push rods (408), and the two groups of push plates (409) are respectively matched with the first material guide plate (205) and the second material guide plate (206), and guide wheels (406) are arranged at the other ends of the two groups of push rods (408), and springs (407) are sleeved on the outer walls of the two groups of push rods (408), and one end of the spring (407) is connected to the outer wall of the support frame (405), and the other end of the spring (407) is connected to the outer wall of the guide wheel (406).

7. The automatic defect detection device for electronic components according to claim 6, characterized in that: The extrusion block (401) is arranged in a right-angled trapezoidal shape, and the inclined surface of the extrusion block (401) is arranged in an arc shape.

8. The automatic defect detection device for electronic components according to claim 6, characterized in that: Sliding rods (404) are provided on opposite side walls of the two groups of vertical plates (400), and sliding blocks (403) are sleeved on the outer walls of the sliding rods (404), and the side walls of the sliding blocks (403) are connected to the side walls of the extrusion blocks (401).

9. The automatic defect detection device for electronic components according to claim 2, characterized in that: The limiting mechanism (5) comprises two groups of limiting plates (504) provided on the conveying device (203); two groups of fixing plates (500) are provided on the top of the detection box (1); fixing rods (502) are connected to opposite side walls of the two groups of fixing plates (500); sliding plates (503) are sleeved on the outer walls of the two groups of fixing rods (502); the bottom of the sliding plate (503) is connected to the top of the limiting plate (504); first electric telescopic rods (501) are provided on opposite side walls of the two groups of fixing plates (500); one end of the first electric telescopic rod (501) is connected to the outer wall of the sliding plate (503).

10. The automatic defect detection device for electronic components according to claim 3, characterized in that: A through hole is provided on the top of the installation cover (300), and a third bearing is sleeved and installed on the outer wall of the first rotating shaft (303), and the third bearing matches the inner wall of the through hole.

Images