Ball detection equipment

Abstract

This invention provides a spherical object detection device, comprising a feeding mechanism, a conveying mechanism, an optical detection mechanism, and a sorting mechanism. The feeding mechanism has multiple feeding channels arranged at intervals along a first preset path. The conveying mechanism is located below the feeding mechanism and includes a conveyor belt and multiple support plates on the conveyor belt, each support plate having a set of conveying holes. The optical detection mechanism includes a camera located above the conveying mechanism and a backlight assembly located at the bottom of the conveying mechanism. The sorting mechanism is located below the first feeding port and includes multiple sorting guides, a controller connected to the sorting guides, and a first sorting channel and a second sorting channel located below the multiple sorting guides. The spherical object detection device provided by this invention replaces manual operation, reducing labor intensity.

Description

Technical Field

[0001] The invention belongs to the field of detection technology, and in particular relates to a spherical object detection device. Background Art

[0002] After the spheres are manufactured, their internal and surface quality needs to be inspected, especially for glass beads. Usually, strong light is irradiated on the glass beads during the conveying process, so that cracks and other damages in the glass beads can be easily found, and then they are manually picked out. This inspection process is not only easy to cause visual fatigue of the operators, but also can cause blindness in serious cases; and the manual selection has large errors, high labor intensity, and low inspection efficiency. Summary of the invention

[0003] The embodiment of the present invention provides a spherical object detection device, aiming to solve the technical problems of the existing glass bead detection, which has high labor intensity, low efficiency and is not conducive to the eye health of operators.

[0004] To achieve the above object, the technical solution adopted by the present invention is: to provide a ball detection device, comprising:

[0005] A feeding mechanism, comprising a plurality of feeding channels, wherein the plurality of feeding channels are arranged at intervals along a first preset path and are parallel to each other;

[0006] A conveying mechanism is arranged below the feeding mechanism, the conveying mechanism comprises a conveyor belt and a plurality of supporting plates arranged on the conveyor belt, each of the supporting plates is provided with a conveying hole group, the conveying hole group comprises a plurality of through holes spaced apart along a first preset path, the plurality of through holes correspond one-to-one to the plurality of material discharge channels, and the conveying mechanism is provided with a first material discharge port;

[0007] an optical detection mechanism, comprising a camera disposed above the conveying mechanism, and a backlight assembly disposed at the bottom of the conveying mechanism; and

[0008] A sorting mechanism is arranged below the first material discharge port, and includes a plurality of sorting guide bars, a controller connected to the sorting guide bars, and a first sorting channel and a second sorting channel located below the plurality of sorting guide bars, wherein the plurality of sorting guide bars respectively correspond to a plurality of through holes in one of the conveying hole groups, and the controller is communicatively connected to the optical detection mechanism, and is used to drive the sorting guide bars to swing between the first sorting channel and the second sorting channel.

[0009] In a possible implementation, the feeding mechanism includes:

[0010] A material guide plate, which is tilted downward toward one side of the conveying mechanism and is recessed to form a plurality of material discharge channels;

[0011] A motor is arranged at one side of the guide plate, a guide roller is sleeved on the output shaft of the motor, the guide roller is located at the top of the plurality of material discharge channels, and is used to push the spherical objects to roll down, and the axial direction of the guide roller is parallel to the first preset path; and

[0012] The material baffle plate is arranged on the material guide plate and is located at the discharge side of the material discharge channel.

[0013] In a possible implementation, a plurality of the conveying hole groups are spaced apart on the supporting plate along the conveying path of the conveyor belt.

[0014] In a possible implementation, the backlight assembly includes:

[0015] A first bracket is arranged below the conveying mechanism;

[0016] a light source plate, disposed in the first bracket, for emitting light upward; and

[0017] A sealing plate, arranged below the conveying mechanism, wherein a through slot is provided on the sealing plate;

[0018] A light-transmitting plate, arranged on the top of the first bracket and located above the light source plate, and the light-transmitting plate is placed in the through groove;

[0019] The total length of the sealing plate and the light-transmitting plate is greater than or equal to the horizontal projection interval between the material discharge channel and the first material discharge port.

[0020] In a possible implementation, two light-transmitting plates are spaced apart along the transport path of the conveying mechanism, and the optical detection mechanism also includes an adjustment belt between the two light-transmitting plates, wherein the moving path of the adjustment belt is parallel to the first preset path and is used to adjust the spherical object in the through hole.

[0021] In a possible implementation, the optical detection mechanism also includes a second bracket, the second bracket is provided with a sliding rod, the first bracket is slidably connected to the sliding rod along the up and down directions, and the second bracket is detachably connected to a support rod, and the support rod is supported at the bottom of the first bracket.

[0022] In a possible implementation, the optical detection mechanism further includes:

[0023] A slide rail extending in an up-down direction and located above the conveying mechanism; and

[0024] The third bracket is arranged on the slide rail and is used for sliding adjustment and fixing on the slide rail. The camera is fixedly connected to the third bracket.

[0025] In one possible implementation, the top of the sorting guide bar is rotatably connected to the conveying mechanism, and the controller includes a plurality of solenoid valves corresponding one by one to the plurality of sorting guide bars, and the solenoid valves are rotatably connected to the corresponding sorting guide bars, and are used to push and pull the sorting guide bars so that the sorting guide bars are docked to the first sorting channel or the second sorting channel.

[0026] In a possible implementation manner, a buffer plate is provided on a side of the sorting guide bar facing away from the solenoid valve, and the buffer plate has an arc-shaped surface tangent to the sorting guide bar.

[0027] In a possible implementation, the first sorting channel and the second sorting channel are sequentially arranged along a conveying path of the conveying mechanism, and discharge ports of the first sorting channel and the second sorting channel are arranged in back-to-back directions.

[0028] In the embodiment of the present application, the spherical object detection device of the present invention completes the detection and sorting of the spherical objects during the process of conveying the spherical objects, and the optical detection mechanism is communicatively connected with the controller, so as to directly control the swing of the sorting guide bar corresponding to the through hole where the defective products are located, and guide the defective products and high-quality products to different sorting channels, thereby replacing manual operation, reducing labor intensity, and achieving high sorting efficiency and guaranteed sorting quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 A schematic diagram of the main structure of a ball detection device provided by an embodiment of the present invention;

[0030] Figure 2 A schematic diagram of the cross-sectional structure of a ball detection device provided in an embodiment of the present invention Figure 1 ;

[0031] Figure 3 A schematic diagram of the cross-sectional structure of a ball detection device provided in an embodiment of the present invention Figure 2 (remove the camera and the third bracket);

[0032] Figure 4 Schematic diagram of the three-dimensional structure of the ball detection device provided by the embodiment of the present invention Figure 1 ;

[0033] Figure 5 Schematic diagram of the three-dimensional structure of the ball detection device provided by the embodiment of the present invention Figure 2 (Hide support plate).

[0034] Description of reference numerals:

[0035] 10-feeding mechanism; 11-feeding channel; 12-feeding plate; 13-motor; 14-feeding roller; 15-feeding plate;

[0036] 20-transmission mechanism; 21-conveyor belt; 22-supporting plate; 23-through hole;

[0037] 30-optical detection mechanism; 31-camera; 32-backlight assembly; 321-first bracket; 322-light source board; 323-sealing board; 324-light-transmitting board; 33-adjusting belt; 34-second bracket; 35-support rod; 36-sliding rod; 37-elastic stop pin; 38-sliding rail; 39-third bracket;

[0038] 40 - sorting mechanism; 41 - sorting guide bar; 42 - solenoid valve; 43 - first sorting channel; 44 - second sorting channel; 45 - buffer plate. DETAILED DESCRIPTION

[0039] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0040] Please also read Figures 1 to 5 The ball detection device provided by the present invention is now described. The ball detection device includes a feeding mechanism 10, a conveying mechanism 20, an optical detection mechanism 30 and a sorting mechanism 40. The feeding mechanism 10 has a plurality of feeding channels 11, and the plurality of feeding channels 11 are arranged at intervals along a first preset path and are parallel to each other; the conveying mechanism 20 is arranged below the feeding mechanism 10, and the conveying mechanism 20 includes a conveyor belt 21 and a plurality of supporting plates 22 arranged on the conveyor belt 21, and each supporting plate 22 is provided with a conveying hole group, and the conveying hole group includes a plurality of through holes 23 distributed at intervals along the first preset path, and the plurality of through holes 23 correspond to the plurality of feeding channels 11 one by one, and the conveying mechanism 20 is provided with a first The material discharge port; the optical detection mechanism 30 includes a camera 31 arranged above the conveying mechanism 20, and a backlight assembly 32 arranged at the bottom of the conveying mechanism 20; the sorting mechanism 40 is arranged below the first material discharge port, the sorting mechanism 40 includes a plurality of sorting guides 41, a controller connected to the sorting guides 41, and a first sorting channel 43 and a second sorting channel 44 located below the plurality of sorting guides 41, the plurality of sorting guides 41 respectively correspond to a plurality of through holes 23 in a conveying hole group, the controller is communicatively connected to the optical detection mechanism 30, and is used to drive the sorting guides 41 to swing between the first sorting channel 43 and the second sorting channel 44.

[0041] The ball detection device provided in this embodiment puts the ball to be detected into the feeding mechanism 10, and the ball slides into the feeding channel 11 in the feeding mechanism 10. Each feeding channel 11 corresponds to a row of balls. The balls roll down from the feeding channel 11 and fall into the corresponding through holes 23. The balls in the multiple feeding channels 11 fall into the conveying hole group. The multiple through holes 23 in the conveying hole group accommodate multiple balls (one through hole 23 contains one ball). The conveyor belt 21 drives the multiple supporting plates 22 to rotate in a circle, and the supporting plates 22 drive the balls to move. After passing through the optical detection mechanism 30, the optical detection The backlight assembly 32 at the bottom of the measuring mechanism 30 illuminates the spherical object, and the camera 31 at the top takes a picture of the spherical object at the bottom, so as to observe defects such as cracks in the spherical object, judge that the quality of the spherical object at a certain position does not meet the requirements, and move to the next process. When the conveying hole group reaches the position of the sorting guide bar 41, it slides down with the sorting guide bar 41. The sorting guide bar 41 docks with the second sorting channel 44 in a normal state. The spherical object with better quality falls directly into the second sorting channel 44, and the sorting guide bar 41 corresponding to the spherical object whose quality does not meet the requirements swings to guide the defective product to the first sorting channel 43, completing the sorting process.

[0042] It should be noted that, here the first sorting channel 43 is described as a defective channel, and the second sorting channel 44 is described as a high-quality channel; in actual use, the first sorting channel 43 can also be used as a high-quality channel, and the second sorting channel 44 can be used as a defective channel. In this case, the initial state of the sorting guide bar 41 corresponds to the first sorting channel 43, and when it needs to swing, it swings to dock with the second sorting channel 44.

[0043] During the specific implementation process, for example, the conveying hole group includes 10 through holes 23: hole 1, hole 2, hole 3, ..., hole 10. During the inspection process, it is found that the spherical objects in hole 2 and hole 7 are defective. Then, when the supporting plate 22 drives the spherical objects to the first discharge port, the sorting guide strips 41 corresponding to holes 2 and holes 7 swing to guide the spherical objects in holes 2 and holes 7 to slide into a channel different from other spherical objects.

[0044] Compared with the prior art, the spherical object detection equipment of the present invention completes the detection and sorting of the spherical objects during the process of conveying the spherical objects, and connects the optical detection mechanism 30 to the controller for communication, so as to directly control the swing of the sorting guide bar 41 at the corresponding position of the through hole 23 where the defective products are located, and guide the defective products and high-quality products to different sorting channels, thereby replacing manual operation, reducing labor intensity, and achieving high sorting efficiency and guaranteed sorting quality.

[0045] In some embodiments, a specific implementation of the feeding mechanism 10 can be as follows: Figures 2 to 5 See the structure shown. Figures 2 to 5The feeding mechanism 10 includes a material guide plate 12, a motor 13 and a material baffle plate 15. The material guide plate 12 is tilted downward toward one side of the conveying mechanism 20 and is recessed to form a plurality of material discharge channels 11. The motor 13 is arranged on one side of the material guide plate 12. A material guide roller 14 is sleeved on the output shaft of the motor 13. The material guide roller 14 is located at the top of the plurality of material discharge channels 11 and is used to push the spherical objects to roll down. The axial direction of the material guide roller 14 is parallel to the first preset path. The material baffle plate 15 is arranged on the material guide plate 12 and is located on the discharge side of the material discharge channel 11.

[0046] After the spherical object enters the material guide plate 12, the material guide plate 12 tilts downward, and the spherical object slides into the material discharge channel 11. At this time, the motor 13 is turned on, and the motor 13 drives the material guide roller 14 to rotate. Since the material guide roller 14 is above the material discharge channel 11, during the rotation of the material guide roller 14, the spherical object will be driven to roll on the material discharge roller track, and then the spherical object will slide out from the outlet of the material discharge pipe and fall into the through hole 23 on the support plate 22; after the spherical object enters the through hole 23 on the support plate 22, due to the setting of the material blocking plate 15, the spherical object will not rush out, thereby ensuring that the spherical object enters the through hole 23 on the support plate 22 in an orderly manner.

[0047] The specific composition of the feeding mechanism 10 in this embodiment can ensure that the spherical objects enter the supporting plate 22 in an orderly manner, prevent the spherical objects from falling out as the supporting plate 22 moves except for the through holes 23, and avoid other devices (such as the motor 13, the conveyor belt 21, etc.) being stuck with the spherical objects and causing damage; and can also prevent individual spherical objects from being stuck between two through holes 23 and causing the spherical objects to overlap, thereby affecting the subsequent detection effect.

[0048] In some implementations, an improved embodiment of the support plate 22 may be as follows: Figure 4 See the structure shown. Figure 4 , a plurality of transmission hole groups are arranged at intervals on the support plate 22 along the transmission path of the conveyor belt 21. A large number of transmission hole groups are arranged on the support plate 22, which can meet the transmission of more spherical objects at the same time and improve the detection efficiency compared with only one transmission hole group; a plurality of transmission hole groups are arranged on one support plate 22, which reduces the number of support plates 22, facilitates the assembly of the support plate 22 and the conveyor belt 21 in the early stage, and saves costs.

[0049] In some embodiments, a specific implementation of the backlight assembly 32 may be as follows: Figures 1 to 5 See the structure shown. Figures 1 to 5The backlight assembly 32 includes a first bracket 321, a light source board 322, a sealing plate 323 and a light-transmitting board 324. The first bracket 321 is arranged below the conveying mechanism 20; the light source board 322 is arranged in the first bracket 321, and is used to emit light upward; and the sealing plate 323 is arranged below the conveying mechanism 20, and a through groove is provided on the sealing plate 323; the light-transmitting board 324 is arranged on the top of the first bracket 321 and is located above the light source board 322, and the light-transmitting board 324 is placed in the through groove; the total length of the sealing plate 323 and the light-transmitting board 324 is greater than or equal to the horizontal projection interval between the feeding channel 11 and the first feeding port.

[0050] During the conveying process, the spherical object is in the through hole 23 of the supporting plate 22. Since the sealing plate 323 is arranged at the bottom of the supporting plate 22, the spherical object can be prevented from falling. When the spherical object moves to the top of the light-transmitting plate, the light from the bottom light source plate 322 shines on the spherical object, and the camera 31 on the top takes a picture of the spherical object, so that the defects inside the spherical object (such as cracks, etc.) can be clearly seen, which is convenient for the subsequent judgment of the sorting mechanism 40.

[0051] In some embodiments, an improved implementation of the optical detection mechanism 30 can be as follows: Figure 3 and Figure 5 See the structure shown. Figure 3 and Figure 5 Two light-transmitting plates 324 are arranged at intervals along the transport path of the conveying mechanism 20, and the optical detection mechanism 30 also includes an adjustment belt 33 between the two light-transmitting plates 324. The moving path of the adjustment belt 33 is parallel to the first preset path, and is used to adjust the spherical object in the through hole 23. When a group of conveying holes passes through the first light-transmitting plate 324, it is photographed and detected according to the normal process, and then passes through the adjustment belt 33. The adjustment belt 33 is transported along the first preset path, and the bottom of the spherical object is driven to rotate a certain angle (such as 90°) to adjust the state of the spherical object in the through hole 23, and then passes through the next light-transmitting plate 324 to take a photo of the spherical object again. The results of the two tests are combined and compared to determine the final defective position. By adjusting the state of the spherical object in the through hole 23, multiple detections of the spherical object at multiple angles can be achieved, thereby improving the accuracy of the detection results and preventing the spherical object from being maintained in a state and not being detected in place.

[0052] It should be noted that, for example, the conveying hole group includes 10 through holes 23: hole 1, hole 2, hole 3, ..., hole 10. During the first inspection, it is found that the spherical objects in hole 2 and hole 7 are defective, and during the second inspection, it is found that the spherical objects in hole 2, hole 7 and hole 9 are defective. When the supporting plate 22 drives the spherical objects to the first discharge port, the corresponding sorting guide strips 41 at hole 2, hole 7 and hole 9 swing to guide the spherical objects in hole 2, hole 7 and hole 9 to slide into a channel different from other spherical objects.

[0053] In some embodiments, an improved implementation of the optical detection mechanism 30 can be as follows: Figures 1 to 5 See the structure shown. Figures 1 to 5 The optical detection mechanism 30 also includes a second bracket 34, on which a slide bar 36 is provided, and the first bracket 321 is slidably connected to the slide bar 36 in the up-down direction, and a support rod 35 is detachably connected to the second bracket 34, and the support rod 35 is supported at the bottom of the first bracket 321. During the continuous operation of the conveying mechanism 20, since the ball is in the through hole 23 and the light-transmitting plate 324 is at the bottom of the ball, after a period of use, the ball will scratch the surface of the light-transmitting plate 324, and then the scratches on the surface of the light-transmitting plate 324 will affect the detection accuracy of the ball. Therefore, after a period of use, the light-transmitting plate 324 needs to be replaced. At this time, the light-transmitting plate 324 can be removed from the top of the second bracket 34 and replaced by disassembling the support rod 35 and then sliding down the second bracket 34, so as to ensure the accuracy of the ball detection result.

[0054] Specifically, the second bracket 34 is provided with a socket, in which an elastic stop pin 37 is fitted, the bottom of the support rod 35 abuts against the elastic stop pin 37, and the top of the support rod 35 is supported on the bottom of the first bracket 321. When the support rod 35 needs to be disassembled, the elastic stop pin 37 can be pulled out.

[0055] In some embodiments, an improved implementation of the optical detection mechanism 30 can be as follows: Figure 1 to Figure 2 See the structure shown. Figure 1 to Figure 2 The optical detection mechanism 30 further includes a slide rail 38 and a third bracket 39. The slide rail 38 extends in the up-down direction and is located above the conveying mechanism 20. The third bracket 39 is arranged on the slide rail 38 and is used for sliding adjustment and fixing on the slide rail 38. The camera 31 is fixedly connected to the third bracket 39. The camera 31 is arranged on the third bracket 39. By adjusting the position of the third bracket 39 on the slide rail 38 and adjusting the height of the third bracket 39 in the early stage, the height difference between the camera 31 and the supporting plate 22 can be determined, thereby ensuring the focus of the camera 31 and the clarity of the shooting result, which is conducive to the judgment of the internal defects of the spherical object.

[0056] In some embodiments, a specific implementation of the controller may be as follows: Figure 2 , Figure 3 and Figure 5 See the structure shown. Figure 2 , Figure 3 and Figure 5, the top of the sorting guide bar 41 is rotatably connected to the conveying mechanism 20, and the controller includes a plurality of solenoid valves 42 corresponding to the plurality of sorting guide bars 41. The solenoid valves 42 are rotatably connected to the corresponding sorting guide bars 41, and are used to push and pull the sorting guide bars 41 so that the sorting guide bars 41 are docked to the first sorting channel 43 or the second sorting channel 44. The sorting mechanism 40 also includes a control system, and the camera 31 is communicatively connected to the control system. After the camera 31 takes a picture of the spherical object, the image taken by the camera 31 is displayed in the control system. The control system automatically identifies the defective spherical object and transmits the position of the spherical object to the corresponding solenoid valve 42. Then, when the spherical object passes through the first discharge port, the solenoid valve 42 at the corresponding position is opened to realize the swing of the sorting guide bar 41, and the superior and inferior products are separated. By setting the solenoid valve 42, and each solenoid valve 42 corresponds to a sorting guide bar 41, the individual swing of the sorting guide bar 41 at a certain position is realized, and the control accuracy of the solenoid valve 42 is relatively high.

[0057] In some embodiments, an improved implementation of the above-mentioned sorting guide bar 41 can be adopted as follows Figure 2 , Figure 3 and Figure 5 See the structure shown. Figure 2 , Figure 3 and Figure 5 A buffer plate 45 is provided on the side of the sorting guide bar 41 facing away from the electromagnetic valve 42, and the buffer plate 45 has an arc surface tangent to the sorting guide bar 41. When the ball falls to the sorting guide bar 41, the arc surface on the sorting guide bar 41 can provide a buffer effect to the ball to prevent the ball from falling directly and being injured.

[0058] In some embodiments, a specific implementation of the above-mentioned sorting mechanism 40 can be as follows: Figure 5 See the structure shown. Figure 5 The first sorting channel 43 and the second sorting channel 44 are sequentially arranged along the conveying path of the conveying mechanism 20, and the discharge ports of the first sorting channel 43 and the second sorting channel 44 are arranged in opposite directions. The discharge sides of the first sorting channel 43 and the second sorting channel 44 are arranged opposite to each other, so that the superior products and the inferior products are discharged at different sides, so that each side only receives superior products or inferior products separately. Compared with the space congestion caused by receiving superior products and inferior products at the same side at the same time, a single side can make full use of the space and increase the capacity for receiving goods.

[0059] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A ball detection device, characterized in that: include: A feeding mechanism, comprising a plurality of feeding channels, wherein the plurality of feeding channels are arranged at intervals along a first preset path and are parallel to each other; A conveying mechanism is arranged below the feeding mechanism, the conveying mechanism comprises a conveyor belt and a plurality of supporting plates arranged on the conveyor belt, each of the supporting plates is provided with a conveying hole group, the conveying hole group comprises a plurality of through holes spaced apart along a first preset path, the plurality of through holes correspond one-to-one to the plurality of material discharge channels, and the conveying mechanism is provided with a first material discharge port; An optical detection mechanism, comprising a camera disposed above the conveying mechanism, and a backlight assembly disposed at the bottom of the conveying mechanism; as well as A sorting mechanism is arranged below the first material discharge port, the sorting mechanism comprises a plurality of sorting guide bars, a controller connected to the sorting guide bars, and a first sorting channel and a second sorting channel located below the plurality of sorting guide bars, the plurality of sorting guide bars respectively correspond to a plurality of through holes in one of the conveying hole groups, the controller is communicatively connected with the optical detection mechanism, and is used to drive the sorting guide bars to swing between the first sorting channel and the second sorting channel; A first bracket is arranged below the conveying mechanism; A light source plate, disposed in the first bracket, for emitting light upwards; as well as A sealing plate, arranged below the conveying mechanism, wherein a through slot is provided on the sealing plate; A light-transmitting plate, arranged on the top of the first bracket and located above the light source plate, and the light-transmitting plate is placed in the through groove; The total length of the sealing plate and the light-transmitting plate is greater than or equal to the horizontal projection interval between the material discharge channel and the first material discharge port; Two light-transmitting plates are arranged at intervals along the transport path of the transmission mechanism, and the optical detection mechanism further comprises an adjustment belt between the two light-transmitting plates, wherein the movement path of the adjustment belt is parallel to the first preset path and is used to adjust the spherical object in the through hole; The optical detection mechanism also includes a second bracket, a sliding rod is provided on the second bracket, the first bracket is slidably connected to the sliding rod along the up and down directions, and the second bracket is detachably connected to a support rod, and the support rod is supported at the bottom of the first bracket.

2. The ball detection device according to claim 1, characterized in that: The feeding mechanism comprises: A material guide plate, which is tilted downward toward one side of the conveying mechanism and is recessed to form a plurality of material discharge channels; A motor is arranged at one side of the guide plate, a guide roller is sleeved on the output shaft of the motor, the guide roller is located at the top of the plurality of material discharge channels, and is used to push the spherical objects to roll down, and the axial direction of the guide roller is parallel to the first preset path; and The material baffle plate is arranged on the material guide plate and is located at the discharge side of the material discharge channel.

3. The ball detection device according to claim 1, characterized in that: A plurality of the conveying hole groups are arranged at intervals on the supporting plate along the conveying path of the conveyor belt.

4. The ball detection device according to claim 1, characterized in that: The optical detection mechanism also includes: A slide rail extending in an up-down direction and located above the conveying mechanism; and The third bracket is arranged on the slide rail and is used for sliding adjustment and fixing on the slide rail. The camera is fixedly connected to the third bracket.

5. The ball detection device according to claim 1, characterized in that: The top of the sorting guide bar is rotatably connected to the conveying mechanism, and the controller includes a plurality of solenoid valves corresponding to the plurality of sorting guide bars one by one. The solenoid valves are rotatably connected to the corresponding sorting guide bars and are used to push and pull the sorting guide bars so that the sorting guide bars are connected to the first sorting channel or the second sorting channel.

6. The ball detection device according to claim 5, characterized in that: A buffer plate is provided on the side of the sorting guide bar facing away from the solenoid valve, and the buffer plate has an arc surface tangent to the sorting guide bar.

7. The ball detection device according to claim 1, characterized in that: The first sorting channel and the second sorting channel are sequentially arranged along the conveying path of the conveying mechanism, and the discharge ports of the first sorting channel and the second sorting channel are arranged in back-to-back directions.

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