Optical screening equipment for electronic parts

Abstract

The invention relates to the technical field of part sorting, and particularly discloses electronic part optical screening equipment which comprises a rotating module, a feeding module, a circulation module, an optical screening module, a distributing module and a discharging module. The electronic parts are subjected to path guiding, one-by-one separation and intermittent distribution through the material distribution module, it is ensured that the electronic parts sequentially pass through the optical screening module in order at the consistent distribution angle and position, and the consistency and precision of the detection result of the optical screening module are effectively improved; a distribution assembly of the material distribution module performs intermittent distribution, and the one-by-one separation effect of a separation assembly is combined, so that the electronic parts are prevented from being locally stacked on the feeding side of the rotating disc, the material flowing smoothness is guaranteed, meanwhile, a certain interval is kept between the adjacent electronic parts entering the optical screening area, and the screening efficiency is improved. Mutual interference of the electronic parts in the detection process is effectively avoided, and therefore qualified products and different defective products can be efficiently and accurately sorted.

Description

Technical Field

[0001] The present invention relates to the technical field of parts sorting, and more particularly to an optical screening device for electronic parts. Background Art

[0002] In the manufacturing process of electronic parts, efficient optical screening of electronic parts to distinguish qualified products from defective products is a key process.

[0003] Traditional optical screening equipment has many shortcomings. On the one hand, there are many problems with feeding and feeding links. For example, after electronic parts are sorted by the feeding module, when they enter the turntable and other carrying devices, they often lack effective path guidance and precise distribution, resulting in chaotic feeding angles and positions of parts, and local accumulation is prone to occur. This not only interferes with subsequent optical screening, but may also cause damage to parts or equipment jamming, seriously affecting screening efficiency and quality. In addition, if there is no certain interval between adjacent parts, they will interfere with each other during inspection, reducing screening accuracy; on the other hand, existing equipment lacks full-process automation for accurately sorting parts from a messy feeding state, and the coordination between various links is poor, making it difficult to ensure smooth material flow and high consistency and high precision of test results, thus failing to meet the urgent needs of modern electronic production for efficient and precise screening of electronic parts. Summary of the Invention

[0004] In order to overcome the above technical problems, the present invention proposes an optical screening device for electronic parts.

[0005] The purpose of the present invention can be achieved through the following technical solutions: An optical screening device for electronic parts, comprising: A rotating module, comprising a fixed platform and a turntable rotatably mounted on the fixed platform, wherein a rotating motor for driving the turntable is provided at the bottom of the fixed platform; A feeding module is provided on one side of the rotating module and is used to sort and feed electronic components; The flow module is arranged between the feeding module and the rotating module and is located on the feeding side of the turntable, and is used to transfer the electronic components discharged by the feeding module to the turntable; An optical screening module is provided on one side of the vibration disk and is used to optically screen the electronic parts on the turntable that pass through the optical screening module; The material distribution module is arranged between the feeding module and the optical screening module, and is used to distribute and position the electronic parts entering the turntable. It includes a guide component connected to the flow module and a distribution component arranged at the outlet end of the guide component. The guide component is also provided with a separation component; The discharge module is arranged on the discharge side of the turntable and is used to sort the electronic components according to the screening results of the optical screening module.

[0006] As a further solution of the present invention: the guide assembly includes a first guide plate and a second guide plate that adapt to each other, and a guide channel for accommodating electronic components is formed between the first guide plate and the second guide plate, and the opening width of the guide channel gradually increases toward the side of the flow module.

[0007] As a further solution of the present invention: the distribution assembly includes a mounting plate fixed on a fixed table, a distribution disk is rotatably mounted on the bottom of the mounting plate, a plurality of receiving grooves adapted to the guide channel outlet are opened circumferentially on the distribution disk, and a drive motor for driving the distribution disk is installed on the mounting plate; an annular baffle in contact with the distribution disk is fixed on the second guide plate, and the annular baffle is located between the loading side and the release side of the distribution disk.

[0008] As a further solution of the present invention: an adsorption chamber is provided on the side of the receiving groove away from the opening, a main air duct connected to the adsorption chamber is correspondingly provided on the upper end surface of the distribution plate, and an exhaust pipe and an air blowing pipe adapted to the main air duct are respectively provided on the mounting plate, the exhaust pipe is located on the loading side of the distribution plate, and the air blowing pipe is located on the release side of the distribution plate.

[0009] As a further solution of the present invention: the partition assembly includes two groups of slide grooves vertically opened on the exit side of the guide channel and a rocker arm rotatably installed between the first guide plate and the second guide plate, and partitions are slidably installed in the two groups of slide grooves. Through grooves are opened at both ends of the rocker arm, and the partition is provided with a pin embedded in the through groove; an inclined plate is also provided in the guide channel, and the height of the inclined plate gradually decreases toward the side of the guide channel exit.

[0010] As a further solution of the present invention: the partition assembly also includes an air cylinder fixed above the guide channel, a telescopic rod is vertically slidably arranged in the air cylinder, the lower end of the telescopic rod is fixedly connected to the partition close to the distribution plate, and a movable sleeve on the telescopic rod is provided with a reset spring; the upper end of the air cylinder is connected to an air intake pipe, and the end of the air intake pipe away from the air cylinder is fixed to the side of the exhaust pipe, and the upper end surface of the distribution plate is provided with a plurality of bronchial passages adapted to the air intake pipe, and the bronchial passages are connected to the corresponding main air passages.

[0011] As a further solution of the present invention: the feeding module includes a vibration plate and a feeding channel arranged at the outlet end of the vibration plate.

[0012] As a further solution of the present invention: the flow module includes a bracket and a conveyor belt rotatably mounted on the bracket, one end of the conveyor belt is connected to the feeding channel, and the other end of the conveyor belt is connected to the inlet of the material distribution module, and one end of the bracket is provided with a conveying motor for driving the conveyor belt.

[0013] As a further solution of the present invention: the optical screening module includes a base and a guide rod vertically installed on the base, the sliding sleeve on the guide rod is provided with a lifting slide, the lifting slide is installed with a camera, and a screw rod is also rotatably installed on the base, the screw rod is threadedly connected to the lifting slide, and a dial is provided on the upper end of the screw rod.

[0014] As a further solution of the present invention: the discharge module includes a first blowing air nozzle, a second blowing air nozzle and a discharge guide plate which are sequentially arranged on the fixed table, and the periphery of the turntable is sequentially provided with a first material receiving bin adapted to the first blowing air nozzle, a second material receiving bin adapted to the second blowing air nozzle and a qualified product receiving box adapted to the discharge guide plate, the first material receiving bin is connected to the bottom of the first material receiving bin, and the second material receiving box is connected to the bottom of the second material receiving bin.

[0015] Beneficial effects of the present invention: The present invention uses a material distribution module to guide the electronic parts, separate them one by one, and distribute them intermittently, ensuring that the electronic parts pass through the optical screening module in an orderly manner at a consistent distribution angle and position, effectively improving the consistency and accuracy of the detection results of the optical screening module; the distribution component of the material distribution module performs intermittent distribution, combined with the one-by-one separation function of the separation component, to avoid local accumulation of electronic parts on the feed side of the turntable, ensuring the smooth flow of materials, and at the same time maintaining a certain distance between adjacent electronic parts entering the optical screening area, effectively avoiding mutual interference of electronic parts during the detection process; The entire system realizes the automation of the entire process from random feeding to precise sorting of electronic parts through the feeding module's sorting feeding, the flow module's continuous conveying, the rotary module's uniform rotation and bearing, the dividing module's precise positioning and separation, the optical screening module's detection, and the discharge module's sorting. The discharge module can efficiently and accurately sort qualified products from different defective products based on the detection results of the optical screening module. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention will be further described below with reference to the accompanying drawings.

[0017] Figure 1 It is a three-dimensional schematic diagram of the present invention; Figure 2 Schematic diagram of the internal structure of the present invention; Figure 3 It is a structural schematic diagram of the rotating module and the material distribution module in the present invention; Figure 4 Schematic diagram of the structure of the material distribution module in the present invention; Figure 5 for Figure 4 Enlarged view of point A in the middle; Figure 6 It is a structural diagram of the guiding component and the distributing component in the present invention; Figure 7 Schematic diagram of the structure of the separation component in the present invention; Figure 8 for Figure 7 Enlarged view of point B in the middle; Figure 9 Schematic diagram of the structure of the feeding module and the circulation module in the present invention; Figure 10 Schematic diagram of the structure of the optical screening module of the present invention; Figure 11 It is a structural schematic diagram of the discharge module in the present invention.

[0018] In the picture: 100, rotating module; 110, fixed platform; 120, turntable; 200, feeding module; 210, vibration plate; 220, feeding channel; 300, flow module; 310, bracket; 320, conveyor belt; 330, conveying motor; 400, optical screening module; 410, base; 420, guide rod; 430, lifting slide; 440, camera; 450, screw rod; 460, dial; 500, material distribution module; 510, guide assembly; 511, first guide plate; 512, second guide plate; 513, guide channel; 514, annular baffle; 515, inclined plate; 520, distribution assembly; 521, mounting plate; 522, distribution plate; 523, drive motor; 524, receiving slot; 525, adsorption chamber; 526, exhaust pipe; 527, blowing pipe; 528, main airway; 529, branch airway; 530, separation assembly; 531, chute; 532, partition; 533, swing rod; 534, through slot; 535, bayonet; 536, air cylinder; 537, telescopic rod; 538, return spring; 539, suction pipe; 600, discharge module; 610, first blowing air nozzle; 620, second blowing air nozzle; 630, discharge guide plate; 640, first receiving bin; 650, second receiving bin; 660, qualified product receiving box; 670, first receiving box; 680, second receiving box; 700. Electronic components. DETAILED DESCRIPTION

[0019] The subject matter described herein will now be discussed with reference to exemplary embodiments. It should be understood that these embodiments are discussed solely to enable those skilled in the art to better understand and implement the subject matter described herein, and that the functions and arrangements of the elements discussed may be varied without departing from the scope of this specification. Various examples may omit, substitute, or add various processes or components as needed. In addition, features described with respect to some examples may also be combined in other examples.

[0020] See also Figure 1 and Figure 2 The present invention discloses an optical screening device for electronic parts, comprising a rotating module 100, a feeding module 200, a circulation module 300, an optical screening module 400, a material separation module 500 and a discharge module 600; The rotating module 100 includes a fixed platform 110 and a turntable 120 rotatably mounted on the fixed platform 110. A rotating motor (not shown in the figure) is provided at the bottom of the fixed platform 110 for driving the turntable 120. The feeding module 200 is provided on one side of the rotating module 100 for sorting and feeding the electronic components 700. The flow module 300 is provided between the feeding module 200 and the rotating module 100 and on the feeding side of the turntable 120 for transferring the electronic components 700 discharged by the feeding module 200 to the turntable 120. The optical screening module 400 is provided on one side of the vibration disk 210 for optically screening the electronic components 700 on the turntable 120 that have passed through the optical screening module 400. See also Figure 3 The distribution module 500 is disposed between the feeding module 200 and the optical screening module 400 and is used to distribute and position the electronic components 700 entering the turntable 120. The distribution module 500 includes a guide assembly 510 connected to the flow module 300 and a distribution assembly 520 disposed at the outlet end of the guide assembly 510. A partition assembly 530 is also disposed in the guide assembly 510. The discharge module 600 is disposed on the discharge side of the turntable 120 and is used to sort the electronic components 700 according to the screening results of the optical screening module 400 .

[0021] Specifically, the feeding module 200 sorts and feeds the disordered electronic parts 700, and continuously conveys the electronic parts 700 supplied by the feeding module 200 to the turntable 120 rotating at a uniform speed through the flow module 300. In the process of the electronic parts 700 on the flow module 300 entering the turntable 120, the electronic parts 700 are guided by the guide component 510, and the feeding angle and position of the electronic parts 700 are adjusted. Then, the distribution component 520 is used to intermittently distribute the electronic parts 700 at the outlet end of the guide component 510 to avoid local accumulation of the electronic parts 700; the partition component 530 can guide the guide component 510. The electronic components 700 in 510 are separated one by one, thereby ensuring that each electronic component 700 can enter the distribution component 520 in an orderly manner; the electronic components 700 processed by the material separation module 500 have the same distribution angle and position when passing through the optical screening module 400, thereby improving the consistency and accuracy of the optical screening of the electronic components 700 by the optical screening module 400, and there is a certain interval between adjacent electronic components 700, thereby avoiding interference between the electronic components 700; the discharge module 600 sorts the electronic components 700 into different defective products and qualified products according to the screening results of the optical screening module 400.

[0022] It is noteworthy that the present invention guides the electronic parts 700 by the material distribution module 500, separates them one by one, and distributes them intermittently, ensuring that the electronic parts 700 pass through the optical screening module 400 in an orderly manner at a consistent distribution angle and position, effectively improving the consistency and accuracy of the detection results of the optical screening module 400; the distribution component 520 of the material distribution module 500 performs intermittent distribution, combined with the one-by-one separation function of the separation component 530, thereby avoiding local accumulation of the electronic parts 700 on the feed side of the turntable 120, ensuring the smooth flow of materials, and at the same time maintaining a certain distance between adjacent electronic parts 700 entering the optical screening area, effectively avoiding mutual interference of the electronic parts 700 during the detection process; The entire system realizes the automation of the entire process of electronic parts 700 from random feeding to precise sorting through the feeding module 200 for sorting and feeding, the flow module 300 for continuous conveying, the rotating module 100 for uniform rotation and carrying, the dividing module 500 for precise positioning and separation, the optical screening module 400 for detection, and the discharge module 600 for sorting. The discharge module 600 can efficiently and accurately sort qualified products from different defective products based on the detection results of the optical screening module 400.

[0023] In one embodiment, see Figure 4 and Figure 6The guide assembly 510 includes a first guide plate 511 and a second guide plate 512 adapted to each other. A guide channel 513 for accommodating the electronic components 700 is formed between the first guide plate 511 and the second guide plate 512. The width of the opening of the guide channel 513 gradually increases toward the side of the flow module 300. Specifically, the electronic parts 700 entering the turntable 120 from the flow module 300 are guided by the guide channel 513 between the first guide plate 511 and the second guide plate 512. The opening of the guide channel 513 toward the side of the flow module 300 is larger, so as to facilitate the reception of electronic parts 700 at different positions on the flow module 300. Subsequently, each electronic part 700 is guided by the gradually narrowing guide channel 513. The outlet width of the guide channel 513 is slightly larger than the width of a single electronic part 700, thereby limiting the electronic parts 700 to be sorted and discharged in sequence, while ensuring that the angle of each group of electronic parts 700 when discharged from the guide channel 513 remains consistent.

[0024] It should be noted that the opening width of the guide channel 513 toward the side of the flow module 300 gradually increases, which can effectively receive the electronic parts 700 at different positions on the flow module 300, thereby improving the fault tolerance and receiving efficiency of the feed; the electronic parts 700 are guided by the gradually narrowing guide channel 513, and the physical constraints of the channel force the parts to be arranged in order and move along a predetermined path; the outlet width of the guide channel 513 is designed to be slightly larger than the width of a single electronic part 700, while limiting the parts to be discharged individually in sequence, ensuring that the angle of each group of electronic parts 700 when discharged from the guide channel 513 remains consistent; through forced sorting and angle correction, the guide channel 513 provides a parts flow with unified position and angle for the downstream distribution component 520 to perform intermittent distribution and the optical screening module 400.

[0025] Further, see Figure 4 、 Figure 5 and Figure 6 The distribution assembly 520 includes a mounting plate 521 fixed to the fixed platform 110. A distribution disc 522 is rotatably mounted on the bottom of the mounting plate 521. The distribution disc 522 is circumferentially provided with a plurality of receiving slots 524 adapted to the outlets of the guide channel 513. A driving motor 523 for driving the distribution disc 522 is mounted on the mounting plate 521. Specifically, the distribution plate 522 is driven periodically by the drive motor 523. When one group of receiving slots 524 is rotated to align with the exit of the guide channel 513, the drive motor 523 stops driving the distribution plate 522. Subsequently, the group of electronic components 700 closest to the exit of the guide channel 513 enters the receiving slots 524 under the friction drive of the bottom turntable 120. Then, the drive motor 523 continues to drive the distribution plate 522 to rotate a certain angle, thereby rotating the group of receiving slots 524 containing electronic components 700 out of the exit of the guide channel 513 until the next group of adjacent empty receiving slots 524 rotates to the exit of the guide channel 513. This reciprocating process can achieve intermittent distribution of electronic components 700. It should be noted that the rotation direction of the distribution plate 522 is opposite to the rotation direction of the turntable 120. In this way, before the opening direction of the receiving slot 524 is consistent with the rotation direction of the turntable 120, the electronic components 700 loaded therein will not be accidentally moved out temporarily due to the limitation of the side wall of the receiving slot 524; only when the receiving slot 524 loaded with electronic components 700 is rotated until the opening direction is basically consistent with the rotation direction of the turntable 120, the electronic components 700 in the receiving slot 524 can be moved out of the receiving slot 524 under the friction drive of the turntable 120, thereby ensuring that the angle and position of each group of electronic components 700 when moved out are basically consistent.

[0026] It is worth noting that the distribution plate 522 is periodically rotated by the drive motor 523 so that the receiving slots 524 are aligned with the exits of the guide channels 513 and paused in sequence. This allows electronic components 700 to enter and be taken away only when their corresponding receiving slots 524 are aligned. This allows precise control of the rhythm and quantity of electronic components 700 entering the turntable 120, effectively preventing accumulation of components at the entrance. The rotation direction of the distribution tray 522 is opposite to that of the turntable 120. When the receiving slots 524 loaded with electronic components 700 rotate to a position where their openings are substantially aligned with the rotation direction of the turntable 120, the components are removed by the friction drive of the turntable 120. This forces each electronic component 700 to be released from the receiving slots 524 onto the turntable 120 at the same (or very similar) position and angle, providing a highly consistent starting position for subsequent optical screening. Before the opening of the receiving groove 524 is aligned with the rotation direction of the turntable 120, the sidewalls of the receiving groove 524 can effectively restrict the electronic components 700 loaded therein to prevent them from being accidentally removed, thereby ensuring the controllability and reliability of the distribution and release process. By precise intermittent dispensing and forced release at a consistent position angle, the dispensing assembly 520 ensures that the electronic parts 700 enter the inspection area of ​​the optical screening module 400 at the same intervals and in the same posture.

[0027] See also Figure 6 In order to prevent the electronic components 700 loaded in the receiving groove 524 from being accidentally moved out before reaching the set release position, an annular baffle 514 is fixed on the second guide plate 512 to fit the distribution plate 522. The annular baffle 514 is located between the loading side and the release side of the distribution plate 522. Specifically, when a group of receiving slots 524 on the distribution tray 522 is aligned with the exit of the guide channel 513, it indicates that the group of receiving slots 524 is located on the loading side of the distribution tray 522. Subsequently, a group of electronic components 700 in the guide channel 513 enters the receiving slots 524. The distribution tray 522 then continues to rotate, causing the group of receiving slots 524 to rotate along the annular baffle 514. During the rotation process, the annular baffle 514 blocks the opening of the group of receiving slots 524, thereby preventing the electronic components 700 in the receiving slots 524 from being accidentally thrown out due to factors such as excessive rotation speed when the distribution tray 522 starts intermittent rotation. Until the group of receiving grooves 524 rotates until their openings are in the same direction as the rotation direction of the turntable 120, indicating that the group of receiving grooves 524 is located on the release side of the distribution plate 522, at this time, the openings of the group of receiving grooves 524 are no longer blocked by the annular baffle 514, and at the same time, the opening direction of the group of receiving grooves 524 is in the same direction as the rotation direction of the turntable 120, and the electronic components 700 inside them can be moved out of the receiving grooves 524 under the friction drive of the turntable 120, thereby further improving the accuracy of the removal position of the electronic components 700.

[0028] It should be noted that the annular baffle 514 is fixed to the second guide plate 512 and is in contact with the distribution plate 522, covering the area between the loading side and the release side of the distribution plate 522. During the rotation of the distribution plate 522, the annular baffle 514 blocks the opening of the receiving slot 524 between the loading side and the release side, effectively preventing the electronic components 700 in the receiving slot 524 from being accidentally ejected due to factors such as excessive rotation of the distribution plate 522 or centrifugal force, thereby ensuring the reliability of the component transfer process. The annular baffle 514 stops blocking only when the receiving slot 524 rotates to the release side (i.e., its opening faces the same direction as the rotation of the turntable 120). This restricts the electronic component 700 from being removed only when it is at a predetermined precise position (the release side) and its opening faces the same direction as the movement of the turntable 120. This significantly improves the positioning accuracy of the electronic component 700 when it is removed from the receiving slot 524 onto the turntable 120. The annular baffle 514 limits the premature release of the parts, ensuring that the electronic parts 700 are removed only when the opening direction is strictly consistent with the rotation direction of the turntable 120, further ensuring the consistency of the posture of the electronic parts 700 when they are removed, and providing more stable detection conditions for the subsequent optical screening module 400; through the setting of the annular baffle 514, the stringent requirements for the speed control of the distribution plate 522 are reduced, the stability and fault tolerance of the equipment at higher operating speeds are improved, and the risk of material distribution due to vibration or speed fluctuations is reduced.

[0029] For further information, see Figure 5 and Figure 6 To improve the stability and smoothness of the electronic components 700 entering and exiting the receiving slot 524, an adsorption chamber 525 is provided on the side of the receiving slot 524 away from the opening. A main air channel 528 communicating with the adsorption chamber 525 is correspondingly provided on the upper end surface of the distribution tray 522. An exhaust pipe 526 and an air blowing pipe 527 adapted to the main air channel 528 are respectively provided on the mounting plate 521. The exhaust pipe 526 is located on the loading side of the distribution tray 522, and the air blowing pipe 527 is located on the release side of the distribution tray 522. Specifically, when a group of receiving slots 524 on the distribution plate 522 rotates to align with the outlet of the guide channel 513, the main air channel 528 on one side of the group of receiving slots 524 is sealed and connected to the exhaust pipe 526. The exhaust pipe 526 exhausts air from the main air channel 528, thereby generating a negative pressure in the adsorption chamber 525. This adsorbs the electronic components 700 that enter the receiving slots 524 from the guide channel 513. Combined with the friction drive of the turntable 120, the electronic components 700 can quickly enter the receiving slots 524 and be positioned. Then the distribution plate 522 continues to rotate, and the main air channel 528 corresponding to the group of receiving slots 524 is staggered with the exhaust pipe 526, and the negative pressure is removed until the group of receiving slots 524 rotates to the removal side. At this time, the main air channel 528 on one side of the group of receiving slots 524 is just sealed and connected with the blowing pipe 527. The main air channel 528 is inflated through the blowing pipe 527, and the gas is blown out from the adsorption chamber 525. Through the friction driving action of the air flow and the turntable 120, the electronic component 700 in the receiving slot 524 is quickly moved out to avoid the electronic component 700 and the receiving slot 524 from being stuck.

[0030] It should be noted that when the receiving slot 524 rotates to the outlet (loading side) of the guide channel 513, the exhaust pipe 526 connects to the main air channel 528 to extract air, generating negative pressure in the adsorption chamber 525, actively adsorbing the electronic component 700 entering the guide channel 513. This negative pressure adsorption force, combined with the friction drive of the turntable 120, ensures that the electronic component 700 is quickly, stably, and accurately positioned in the receiving slot 524. When the receiving slot 524 rotates to the release side with its opening facing the same direction as the rotation of the turntable 120, the air blowing pipe 527 is connected to the main air channel 528 for inflation. Air is blown out from the adsorption chamber 525, generating a positive thrust. This air thrust, combined with the friction drive of the turntable 120, enables the electronic component 700 to be quickly and smoothly removed from the receiving slot 524, effectively preventing component jams. During the process of the receiving slot 524 rotating from the loading side to the releasing side, the main air channel 528 is disconnected from the exhaust pipe 526 and the blowing pipe 527, and there is no airflow in the adsorption chamber 525, ensuring that the electronic parts 700 are not disturbed by additional external forces during transportation and maintain a stable position.

[0031] Also, see Figure 6 、 Figure 7 and Figure 8 The partition assembly 530 includes two sets of chute 531 vertically provided at the exit side of the guide channel 513 and a swing rod 533 rotatably installed between the first guide plate 511 and the second guide plate 512. A partition 532 is slidably installed in each of the two sets of chute 531. Both ends of the swing rod 533 are provided with a through slot 534. A latch 535 is provided on the partition 532 and is embedded in the through slot 534. Specifically, the horizontal spacing between the two sets of partitions 532 is slightly larger than the length of a single electronic component 700, and the electronic components 700 in the guide channel 513 are separated one by one by the two sets of partitions 532 that move alternately up and down. In the initial state, the partition 532 near the distribution tray 522 is located at the bottom of the corresponding chute 531, and the exit of the guide channel 513 is blocked by the partition 532. When the electronic component 700 in the guide channel 513 contacts the partition 532, it stops moving. At this time, under the pulling action of the latch 535, the end of the rocker 533 near the distribution tray 522 tilts downward, while the end away from the distribution tray 522 tilts upward, thereby forcing the partition 532 away from the distribution tray 522 to be located at the top of the corresponding chute 531, so that the subsequent electronic components 700 in the guide channel 513 can smoothly pass through the bottom of the set of partitions 532. When a set of receiving slots 524 on the distribution tray 522 rotates to align with the exit of the guide channel 513, the partition plate 532 near the distribution tray 522 is triggered to slide upward along the corresponding slide groove 531, thereby facilitating the electronic components 700 at the front end of the guide channel 513 to enter the receiving slots 524. At the same time, under the transmission action of the swing rod 533, the partition plate 532 away from the distribution tray 522 slides downward along the corresponding slide groove 531, thereby separating the subsequent electronic components 700, thereby ensuring that only one set of electronic components 700 enters the receiving slots 524 at a time. When the receiving slot 524 loaded with electronic components 700 is offset from the exit of the guide channel 513, the partition 532 close to the distribution plate 522 is triggered to slide down again to restore to its original state, and at the same time, the partition 532 away from the distribution plate 522 slides up and resets, so that a subsequent adjacent group of electronic components 700 can enter the area between the two groups of partitions 532 for pre-loading. This reciprocating process can realize the orderly loading of electronic components 700 one by one.

[0032] It should be noted that the two sets of partitions 532 alternately move up and down within the chute 531 (linked by the rocker 533 ) to physically separate the electronic components 700 within the guide channel 513 . The horizontal spacing between the two sets of partitions 532 is slightly larger than the length of a single electronic component 700 , ensuring that only one set of electronic components 700 is in the loading waiting position (i.e., between the two sets of partitions 532 ) at a time. When the partition 532 near the distribution tray 522 rises, only that set of electronic components 700 can enter the aligned receiving slots 524 . In the initial state or when resetting after loading, the partition 532 near the distribution plate 522 is located at the bottom of the chute 531, blocking the exit of the guide channel 513 and preventing parts from moving forward; the partition 532 away from the distribution plate 522 is located at the top of the chute 531, allowing subsequent parts to enter the pre-loading area (between the two sets of partitions 532). In this way, the exit is precisely controlled to open and close during loading, preventing parts from piling up or becoming chaotic at the exit. The pre-loading area always has the next part to be loaded, shortening loading waiting time and improving efficiency. The movement of the partition 532 is directly triggered by the rotation of the distribution plate 522. When the receiving slot 524 aligns with the exit of the guide channel 513, the partition 532 closest to the distribution plate 522 is triggered to slide up and open the exit, allowing pre-loaded parts to enter the receiving slot 524. At the same time, the rocker 533 is linked to force the partition 532 away from the distribution plate 522 to slide down and close the entrance, immediately separating the subsequent parts. The alternately opened and closed partitions 532 form a buffer zone. When the outlet is closed, the inlet is opened for pre-loading to keep the parts flow continuous; when the outlet is opened for loading, the inlet is closed for separation to prevent interference between parts.

[0033] See also Figure 6 、 Figure 7 and Figure 8, for the triggering action and reset process of the partition 532, the partition assembly 530 further includes an air cylinder 536 fixed above the guide channel 513, a telescopic rod 537 is vertically slidably provided in the air cylinder 536, the lower end of the telescopic rod 537 is fixedly connected to the partition 532 near the distribution plate 522, and a reset spring 538 is movably sleeved on the telescopic rod 537; the upper end of the air cylinder 536 is connected to an air intake pipe 539, and the end of the air intake pipe 539 away from the air cylinder 536 is fixed to one side of the exhaust pipe 526, and the upper end surface of the distribution plate 522 is provided with a plurality of branch airways 529 adapted to the air intake pipe 539, and the branch airways 529 are connected to the corresponding main airways 528; Specifically, when the receiving groove 524 on the distribution plate 522 has not yet rotated to align with the outlet of the guide channel 513, the telescopic rod 537 is always extended downward from the air cylinder 536 under the elastic force of the return spring 538, so that the partition plate 532 close to the distribution plate 522 is located at the lower end of the corresponding slide groove 531; When any group of receiving grooves 524 on the distribution plate 522 is rotated to be aligned with the outlet of the guide channel 513, the corresponding tributary duct 529 is just sealed and connected with the intake pipe 539, and the corresponding main air channel 528 is also just sealed and connected with the exhaust pipe 526. Air is extracted through the exhaust pipe 526, so that the gas in the air cylinder 536 enters the exhaust pipe 526 through the intake pipe 539, the tributary duct 529 and the main air channel 528 in turn, and negative pressure is generated in the air cylinder 536, which sucks the telescopic rod 537 upward, driving the partition 532 close to the distribution plate 522 to rise, and the partition 532 away from the distribution plate 522 to fall.

[0034] It should be noted that when the receiving groove 524 on the distribution plate 522 rotates to align with the outlet of the guide channel 513, the branch airway 529 is sealed and connected to the suction pipe 539, and the main airway 528 is sealed and connected to the exhaust pipe 526. At this time, the suction action of the exhaust pipe 526 causes negative pressure to act on the adsorption chamber 525 (adsorbing parts) and the air cylinder 536 at the same time, achieving strict synchronization between the lifting and lowering action of the partition 532 and the part loading action. The negative pressure generated by the exhaust pipe 526 is transmitted to the air cylinder 536 through the air intake pipe 539, the branch airway 529, and the main airway 528 in sequence. The negative pressure formed in the air cylinder 536 overcomes the elastic force of the return spring 538 and pulls the telescopic rod 537 upward. The telescopic rod 537 directly drives the partition 532 close to the distribution plate 522 to rise along the slide groove 531 (opening the outlet) and simultaneously forces the partition 532 away from the distribution plate 522 to fall (closing the inlet) through the rocker rod 533. When the receiving groove 524 is offset from the outlet of the guide channel 513, the branch airway 529 is disconnected from the intake pipe 539, and at the same time the main airway 528 is disconnected from the exhaust pipe 526, the negative pressure in the air cylinder 536 disappears, and under the elastic force of the reset spring 538, the telescopic rod 537 resets downward, driving the partition 532 close to the distribution plate 522 to slide down to the bottom of the slide groove 531 (blocking the outlet), and at the same time, the partition 532 away from the distribution plate 522 rises to the top of the slide groove 531 (opening the entrance to allow pre-loading).

[0035] Furthermore, considering that the electronic components 700 in the guide channel 513 are closely arranged, since the outlet only allows one group of electronic components 700 to be discharged at a time, it is easy to cause subsequent electronic components 700 to be stacked. Figure 7 , an inclined plate 515 is further provided in the guide channel 513, and the height of the inclined plate 515 gradually decreases toward the outlet of the guide channel 513; Specifically, the electronic components 700 in the guide channel 513 are limited by the gradually downwardly inclined inclined plate 515. When the stacked electronic components 700 pass under the inclined plate 515, due to the height limit of the inclined plate 515, only one group of electronic components 700 is allowed to enter the pre-loading area between the two groups of partitions 532 from the opening below it. The inclined plate 515 is located within the guide channel 513. Its gradually decreasing height toward the exit forms a physical stop. When closely packed electronic components 700 pass beneath the inclined plate 515, only the bottom group of electronic components 700 is allowed to pass through. The upper group of components is blocked by the inclined plate 515, eliminating vertical stacking of electronic components 700 near the exit of the guide channel 513 due to queue pressure. The limiting action of the inclined plate 515 forces the components in the guide channel 513 to flow downstream in a single layer. Combined with the pre-loading area formed by the two sets of partitions 532 in the partition assembly 530 (with a spacing slightly larger than the length of a single component), the inclined plate 515 ensures that only one set of electronic components 700 can enter the pre-loading area at a time, laying the foundation for subsequent loading of the components one by one into the receiving slot 524. By physically intercepting the stacked parts, the inclined plate 515 effectively prevents multiple groups of parts from being blocked at the exit of the guide channel 513 or the entrance of the pre-loading area at the same time, reducing the risk of downtime due to parts getting stuck and ensuring the continuous smooth flow of materials.

[0036] In yet another embodiment, see Figure 9 The feeding module 200 includes a vibration plate 210 and a feeding channel 220 provided at the outlet end of the vibration plate 210; Specifically, the electronic components 700 that are in disorder inside are vibrated and sorted by the vibration plate 210 , and then the sorted electronic components 700 are discharged into the flow module 300 through the loading channel 220 .

[0037] Further, see Figure 9 The circulation module 300 includes a bracket 310 and a conveyor belt 320 rotatably mounted on the bracket 310. One end of the conveyor belt 320 is connected to the feeding channel 220, and the other end of the conveyor belt 320 is connected to the entrance of the material distribution module 500. A conveying motor 330 for driving the conveyor belt 320 is provided at one end of the bracket 310. Specifically, the conveyor motor 330 drives the conveyor belt 320 to rotate continuously, so that the electronic components 700 discharged from the loading channel 220 can be continuously conveyed to the material distribution module 500.

[0038] For further information, see Figure 10 The optical screening module 400 includes a base 410 and a guide rod 420 vertically mounted on the base 410. A lifting slide 430 is slidably sleeved on the guide rod 420. A camera 440 is mounted on the lifting slide 430. A screw rod 450 is rotatably mounted on the base 410. The screw rod 450 is threadedly connected to the lifting slide 430. A dial 460 is provided on the upper end of the screw rod 450. Specifically, the dial 460 drives the screw rod 450 to rotate, thereby driving the lifting slide 430 to slide up and down along the guide rod 420 to adjust the height of the camera 440, thereby facilitating the focus adjustment of the camera 440 according to the shooting position of the electronic component 700. The camera 440 takes pictures of the electronic component 700 passing below, and the visual system is used to identify and screen defects in the electronic component 700. For the specific optical screening process, when the turntable 120 carrying the electronic parts 700 that have been precisely positioned and separated by the sorting module 500 passes under the camera 440 at a constant speed, the camera 440 continuously or triggers photos of the parts to obtain high-definition images. The collected images are transmitted to the visual processing system, and the various defects (such as scratches, breakage, dimensional deviation, etc.) of the electronic parts 700 are automatically identified through image analysis algorithms (such as edge detection, template matching, color difference analysis, etc.). The visual system determines whether the parts are qualified or defective (the defect type can be subdivided) according to preset standards, and outputs the screening result signal to the discharge module 600 in real time. After receiving the signal, the discharge module 600 sorts the parts into different collection channels when they arrive at the corresponding discharge station.

[0039] Accordingly, see Figure 9 and Figure 11The discharge module 600 includes a first blowing air nozzle 610, a second blowing air nozzle 620 and a discharge guide plate 630, which are sequentially arranged on the fixed platform 110. The periphery of the turntable 120 is sequentially provided with a first receiving bin 640 adapted to the first blowing air nozzle 610, a second receiving bin 650 adapted to the second blowing air nozzle 620, and a qualified product receiving box 660 adapted to the discharge guide plate 630. The first receiving bin 640 is connected to a first receiving box 670 below, and the second receiving bin 650 is connected to a second receiving box 680 below. Specifically, the first blowing air nozzle 610 and the second blowing air nozzle 620 blow air to the electronic parts 700 with different defects respectively, so that the electronic parts 700 with different defects enter the first receiving bin 640 and the second receiving bin 650 respectively, and the qualified electronic parts 700 are discharged into the qualified product receiving box 660 under the guidance of the discharge guide plate 630, thereby realizing the sorting of different defective products and qualified products.

[0040] It should be noted that the first blowing nozzle 610 and the second blowing nozzle 620 respectively perform targeted air blowing on electronic components 700 of different defect types, and the discharge guide plate 630 physically guides qualified products, thereby achieving three-channel efficient sorting of qualified products, defect type A products, and defect type B products, meeting the needs of refined management. The first blowing nozzle 610 and the second blowing nozzle 620 use air jets to blow defective products away from the turntable 120 without mechanical contact, avoiding surface scratches or structural damage to the electronic components 700 that may be caused by traditional mechanical clamping. This is particularly suitable for precision components. The defective products blown away fall into the first receiving bin 640 (corresponding to the first blowing air nozzle 610) and the second receiving bin 650 (corresponding to the second blowing air nozzle 620), and finally enter the first receiving box 670 and the second receiving box 680 below. The qualified products are guided to the qualified product receiving box 660 through the discharge guide plate 630.

[0041] The above describes the specific embodiments of the present invention, but the present invention is not limited to the above specific embodiments. The above specific embodiments are merely illustrative and not restrictive. Under the guidance of the present invention, those skilled in the art can also make many forms, all of which are protected by the present invention.

Claims

1. An optical screening device for electronic parts, characterized in that: include: A rotating module (100) comprises a fixed platform (110) and a turntable (120) rotatably mounted on the fixed platform (110), wherein a rotating motor for driving the turntable (120) is provided at the bottom of the fixed platform (110); A feeding module (200), which is arranged on one side of the rotating module (100) and is used to sort and feed the electronic components (700); a circulation module (300) disposed between the feeding module (200) and the rotating module (100) and located on the feeding side of the turntable (120), and used for transferring the electronic components (700) discharged from the feeding module (200) to the turntable (120); an optical screening module (400) disposed on one side of the vibration disk (210) and used for optically screening the electronic components (700) on the turntable (120) that have passed through the optical screening module (400); A material distribution module (500) is provided between the material supply module (200) and the optical screening module (400) and is used to distribute and position the electronic components (700) entering the turntable (120). The material distribution module (500) comprises a guide component (510) connected to the circulation module (300) and a distribution component (520) provided at the outlet end of the guide component (510). A partition component (530) is further provided in the guide component (510); The discharge module (600) is arranged on the discharge side of the turntable (120) and is used to sort the electronic components (700) according to the screening results of the optical screening module (400).

2. The electronic component optical screening device according to claim 1, characterized in that: The guide assembly (510) comprises a first guide plate (511) and a second guide plate (512) adapted to each other, a guide channel (513) for accommodating the electronic component (700) being formed between the first guide plate (511) and the second guide plate (512), and the width of the opening of the guide channel (513) gradually increases towards one side of the flow module (300).

3. The optical screening device for electronic parts according to claim 2, characterized in that: The distribution assembly (520) includes a mounting plate (521) fixed on a fixed platform (110), a distribution disc (522) being rotatably mounted on the bottom of the mounting plate (521), a plurality of receiving grooves (524) being circumferentially opened on the distribution disc (522) and being adapted to the outlet of the guide channel (513), and a driving motor (523) for driving the distribution disc (522) being mounted on the mounting plate (521); an annular baffle (514) being in contact with the distribution disc (522) being fixed on the second guide plate (512), and the annular baffle (514) being located between the loading side and the releasing side of the distribution disc (522).

4. The electronic component optical screening device according to claim 3, characterized in that: An adsorption chamber (525) is provided on a side of the receiving groove (524) away from the opening, and a main air channel (528) communicating with the adsorption chamber (525) is correspondingly provided on the upper end surface of the distribution plate (522). An exhaust pipe (526) and an air blowing pipe (527) adapted to the main air channel (528) are respectively provided on the mounting plate (521), the exhaust pipe (526) being located on the loading side of the distribution plate (522), and the air blowing pipe (527) being located on the releasing side of the distribution plate (522).

5. The electronic component optical screening device according to claim 4, characterized in that: The partition assembly (530) includes two groups of chute (531) vertically opened on the outlet side of the guide channel (513) and a swing rod (533) rotatably installed between the first guide plate (511) and the second guide plate (512). A partition (532) is slidably installed in the two groups of chute (531). Both ends of the swing rod (533) are provided with a through groove (534). The partition (532) is provided with a latch (535) embedded in the through groove (534). The guide channel (513) is also provided with an inclined plate (515). The height of the inclined plate (515) gradually decreases toward the outlet of the guide channel (513).

6. The electronic component optical screening device according to claim 5, characterized in that: The partition assembly (530) further includes an air cylinder (536) fixed above the guide channel (513), a telescopic rod (537) vertically slidingly arranged in the air cylinder (536), the lower end of the telescopic rod (537) being fixedly connected to the partition (532) near the distribution plate (522), and a movable sleeve on the telescopic rod (537) being provided with a return spring (538); the upper end of the air cylinder (536) is connected to an air intake pipe (539), one end of the air intake pipe (539) away from the air cylinder (536) is fixed to one side of the exhaust pipe (526), ​​and the upper end surface of the distribution plate (522) is provided with a plurality of bronchial passages (529) adapted to the air intake pipe (539), and the bronchial passages (529) are connected to the corresponding main air passages (528).

7. The electronic component optical screening device according to claim 1, characterized in that: The feeding module (200) comprises a vibration plate (210) and a feeding channel (220) arranged at the outlet end of the vibration plate (210).

8. The electronic component optical screening device according to claim 7, characterized in that: The circulation module (300) includes a bracket (310) and a conveyor belt (320) rotatably mounted on the bracket (310). One end of the conveyor belt (320) is connected to the feeding channel (220), and the other end of the conveyor belt (320) is connected to the entrance of the material distribution module (500). A conveying motor (330) for driving the conveyor belt (320) is provided at one end of the bracket (310).

9. The electronic component optical screening device according to claim 1, characterized in that: The optical screening module (400) includes a base (410) and a guide rod (420) vertically mounted on the base (410); a lifting slide (430) is provided on a sliding sleeve of the guide rod (420); a camera (440) is mounted on the lifting slide (430); a screw rod (450) is rotatably mounted on the base (410); the screw rod (450) is threadedly connected to the lifting slide (430); and a dial (460) is provided on the upper end of the screw rod (450).

10. The electronic component optical screening device according to claim 1, characterized in that: The discharge module (600) includes a first blowing air nozzle (610), a second blowing air nozzle (620) and a discharge guide plate (630) which are sequentially arranged on a fixed platform (110); a first material receiving bin (640) adapted to the first blowing air nozzle (610), a second material receiving bin (650) adapted to the second blowing air nozzle (620) and a qualified product receiving box (660) adapted to the discharge guide plate (630) are sequentially arranged on the periphery of the turntable (120); a first material receiving box (670) is connected to the bottom of the first material receiving bin (640), and a second material receiving box (680) is connected to the bottom of the second material receiving bin (650).

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