A photovoltaic silicon wafer basket defect detection device

By designing a photovoltaic silicon wafer basket defect detection device and adopting automated detection technology, the problem of defects that are difficult to detect during the use of baskets has been solved. This enables efficient and accurate defect detection and automated rejection of defective products, ensuring the safe transport of silicon wafers.

CN117310198BActive Publication Date: 2026-05-29SUZHOU WEIDAZHI ELECTRONIC TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SUZHOU WEIDAZHI ELECTRONIC TECH CO LTD
Filing Date
2023-09-27
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

In the existing technology, photovoltaic silicon wafer baskets are prone to defects such as loose screws, broken support rods, and worn teeth during use. Manual inspection is time-consuming and labor-intensive and it is difficult to detect these problems, which may lead to silicon wafers falling, being worn, or misaligned during transportation.

Method used

A defect detection device for photovoltaic silicon wafer baskets was designed. The baskets are moved by a conveyor line and combined with a screw detection mechanism, first and second rotating mechanisms and detection components to realize the automated detection of defects such as loose screws, deformed support rods and broken toothed plates. The device uses a combination of 2D camera and 3D scanning to perform all-round scanning, automatically read codes and record data.

Benefits of technology

It enables rapid and accurate detection of defects in flower baskets, improves detection efficiency and accuracy, automatically eliminates defective products, and prevents problems from occurring during silicon wafer transportation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The photovoltaic silicon wafer basket defect detection equipment disclosed in the application comprises a bottom frame, a top frame and a conveying line arranged inside the top frame; a plurality of baskets are arranged on the conveying line, and the conveying line controls the baskets to move in a conveying direction; a grabbing mechanism, a screw detection mechanism, a first rotating mechanism and a second rotating mechanism are sequentially arranged above the conveying line in the conveying direction; the grabbing mechanism is used for grabbing and positioning the basket moving below the grabbing mechanism; the screw detection mechanism is used for detecting screw loosening defects on the top of the basket; a first detection assembly is arranged on one side of the first rotating mechanism, and the first detection assembly detects defects on the outer side of the basket during rotation of the basket driven by the first rotating mechanism; a second detection assembly is arranged on one side of the second rotating mechanism, and the second detection assembly detects defects on the outer side of the basket during rotation of the basket driven by the second rotating mechanism, so that the automation of defect detection is realized, and the defect detection efficiency is improved.
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Description

Technical Field

[0001] This invention relates to the field of defect detection, and more specifically, to a defect detection device for photovoltaic silicon wafer baskets. Background Technology

[0002] Due to the large production volume of photovoltaic silicon wafers and their inability to be stacked, a specialized device for transporting and storing silicon wafers is needed. The basket is a device specifically designed for this purpose. The basket has a three-dimensional structure, consisting of an outer frame and an internal toothed storage structure. In silicon wafer production workshops, thousands of baskets continuously transport silicon wafers 24 hours a day. With increased usage, damage may occur during the transport process, such as loose screws, missing parts, broken support rods, and worn or broken toothed plates. Manual inspection is time-consuming and labor-intensive, and these defects are difficult to detect with the human eye. Therefore, a specialized device is needed to detect defects in the baskets, preventing silicon wafers from falling, wearing, or becoming misaligned during transport and production. Summary of the Invention

[0003] To address at least one of the aforementioned technical problems, this invention proposes a photovoltaic silicon wafer basket defect detection device.

[0004] The first aspect of the present invention provides a photovoltaic silicon wafer basket defect detection device, comprising: a bottom frame and a top frame, and a conveyor line disposed inside the top frame;

[0005] The conveyor line is equipped with multiple flower baskets, and the conveyor line controls the flower baskets to move along the conveying direction;

[0006] Above the conveyor line, along the conveying direction, are arranged a gripping mechanism, a screw detection mechanism, a first rotating mechanism, and a second rotating mechanism in sequence;

[0007] The gripping mechanism is used to grip and position the flower basket that has moved to the bottom of the gripping mechanism;

[0008] The screw detection mechanism is used to detect loose screws on the top of the basket;

[0009] A first detection component is provided on one side of the first rotating mechanism. During the process of the first rotating mechanism driving the flower basket to rotate, the first detection component performs defect detection on the outside of the flower basket.

[0010] A second detection component is provided on one side of the second rotating mechanism. During the rotation of the flower basket by the second rotating mechanism, the second detection component performs defect detection on the outside of the flower basket.

[0011] In a preferred embodiment of the present invention, the flower basket includes an upper end face and a lower end face, and a reinforcing rod and a supporting rod are provided between the upper end face and the lower end face. The supporting rod is located inside the reinforcing rod. The two ends of the reinforcing rod are fixedly connected to the upper end face and the lower end face by screws respectively. A plurality of toothed plates are arranged in an array along the length direction on the outer side of the reinforcing rod, and a gap is provided between two adjacent toothed plates. The edge of the photovoltaic silicon wafer is inserted into the gap for support. A positioning hole is provided at the middle position of the upper end face and the lower end face.

[0012] In a preferred embodiment of the present invention, a plurality of lifting mechanisms are provided at intervals below the conveyor line and along the conveying direction, and the positions of the plurality of lifting mechanisms correspond one-to-one with the gripping mechanism, the screw detection mechanism, the first rotating mechanism, and the second rotating mechanism.

[0013] In a preferred embodiment of the present invention, the lifting mechanism includes a lifting base plate, two lifting adjustment cylinders are symmetrically arranged on both sides of the top of the lifting base plate, and lifting adjustment rods are connected to the top of the lifting adjustment cylinders. The two lifting adjustment rods move relative to each other. A lifting motor is arranged on the top of the lifting base plate and inside the two lifting adjustment cylinders. A rotatable lifting plate is connected to the top of the lifting motor. A lifting alignment post matching the positioning hole is arranged at the middle position of the top of the lifting plate.

[0014] In a preferred embodiment of the present invention, the gripping mechanism includes a gripping fixing plate fixedly mounted on a top frame. A gripping mounting plate is provided at the bottom of the gripping fixing plate. A vertical gripping guide rail is provided on one side of the gripping mounting plate. A gripping slider is connected to one side of the vertical gripping guide rail. A support plate is connected to the bottom of the gripping slider. Two clamping cylinders are provided at the top of the support plate and below the gripping slider. A clamping plate is provided at one end of each of the two clamping cylinders facing each other. A gripper is provided on one side of each clamping plate. The two clamping cylinders respectively control the corresponding clamping plates to move relative to each other to grip the flower basket.

[0015] In a preferred embodiment of the present invention, the screw detection mechanism includes a detection fixing plate and a detection mounting plate disposed at the bottom of the detection fixing plate. Two first adjustment modules are arranged parallel to each other on both sides of the bottom of the detection mounting plate. A second adjustment module is connected to the two first adjustment modules. An adjustment slider is connected to the second adjustment module. A laser displacement sensor is disposed on one side of the adjustment slider.

[0016] In a preferred embodiment of the present invention, a first control motor is fixedly installed on one side of the detection mounting plate. An adjusting screw is connected to the shaft end of the first control motor. The adjusting screw is connected to the second adjusting module. The first control motor drives the screw to rotate. During the rotation of the screw, the second adjusting module slides along the first adjusting module. A second control motor is provided at one end of the second adjusting module. The second control motor is used to control the adjusting slider to slide along the second adjusting module.

[0017] In a preferred embodiment of the present invention, the first rotating mechanism and the second rotating mechanism have the same structure. Both the first rotating mechanism and the second rotating mechanism include a rotating fixing plate. The rotating fixing plate is fixedly installed on the top frame. A rotating fixing frame is provided at the bottom of the rotating fixing plate. A rotating motor is connected to the bottom of the rotating fixing frame. A rotating table is hinged to the bottom of the rotating motor. A rotating alignment post and a rotating auxiliary positioning post are provided at the bottom of the rotating table. The position of the rotating alignment post matches the position of the positioning hole on the upper end face.

[0018] In a preferred embodiment of the present invention, the first detection component includes a first detection stage fixedly installed on a bottom frame. A first X-guide module is provided on the top of the first detection stage. A second Z-guide module is connected above the first X-guide module. A first Y-guide module is connected to one side of the first Z-guide module. A 3D scanning mechanism is connected to one side of the first Y-guide module.

[0019] In a preferred embodiment of the present invention, the second detection component includes a second detection stage fixedly installed on the bottom frame, a second X-guide module is provided on the top of the second detection stage, a second Z-guide module is connected above the second X-guide module, a second Y-guide module is connected to one side of the second Z-guide module, and a detection camera is connected to one side of the second Y-guide module.

[0020] The technical solution of the present invention has the following advantages over the prior art:

[0021] This application utilizes a conveyor belt to automatically move flower baskets. During the movement, a screw detection mechanism checks for loose screw connections on the upper surface of the basket. The first and second detection components combine 2D cameras and 3D scanning to perform a comprehensive scan of the outer side of the basket, enabling rapid analysis of defects invisible to the naked eye (missing or protruding screws, deformed support columns, cracks, broken toothed plates, burrs on the toothed plates, missing photovoltaic silicon wafers). The system automatically reads codes, records data, and automatically excludes NG (non-compliant) flower baskets, improving detection accuracy and efficiency. Attached Figure Description

[0022] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, some of the drawings in the following description are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0023] Figure 1 This is a three-dimensional structural schematic diagram of the photovoltaic silicon wafer basket defect detection device according to an embodiment of the present invention;

[0024] Figure 2 This is a schematic diagram of the three-dimensional structure of the conveyor assembly line according to an embodiment of the present invention;

[0025] Figure 3 This is a schematic diagram of the three-dimensional structure of the flower basket according to an embodiment of the present invention;

[0026] Figure 4 This is an enlarged schematic diagram of part A of the present invention;

[0027] Figure 5 This is a three-dimensional structural diagram of the gripping mechanism according to an embodiment of the present invention;

[0028] Figure 6 This is a schematic diagram of the screw detection mechanism according to an embodiment of the present invention;

[0029] Figure 7 This is a three-dimensional structural diagram of the first rotating mechanism according to an embodiment of the present invention;

[0030] Figure 8 This is a schematic diagram of the lifting mechanism according to an embodiment of the present invention;

[0031] Figure 9 This is a three-dimensional structural diagram of the second detection component according to an embodiment of the present invention;

[0032] Figure 10 This is a three-dimensional structural diagram of the first detection component in an embodiment of the present invention.

[0033] In the diagram, 1. Control computer, 2. Bottom frame, 3. Top frame;

[0034] 4. Conveyor assembly line; 401. Conveyor motor; 402. Conveyor roller; 403. Conveyor belt;

[0035] 5. Flower basket, 501. Lower end face, 502. Photovoltaic silicon wafer, 503. Reinforcing rod, 504. Toothed plate, 505. Support rod, 506. Screw hole, 507. Upper end face, 508. Positioning hole;

[0036] 6. Gripping mechanism, 601. Gripping fixed plate, 602. Gripping mounting plate, 603. Vertical gripping guide rail, 604. Gripping slider, 605. Clamping cylinder, 606. Clamping plate, 607. Gripper, 608. Support plate, 609. Gripping motor;

[0037] 7. Screw detection mechanism; 701. Detection fixing plate; 702. Detection mounting plate; 703. First control motor; 704. Adjusting screw; 705. First adjustment module; 706. Second adjustment module; 707. Adjusting slider; 708. Laser displacement sensor; 709. Second control motor.

[0038] 8. Lifting mechanism; 801. Lifting base plate; 802. Lifting motor; 803. Lifting adjusting cylinder; 804. Lifting plate; 805. Lifting alignment column; 806. Lifting adjusting rod.

[0039] 9. First rotating mechanism; 901. Rotating fixed plate; 902. Rotating fixed frame; 903. Rotating motor; 904. Rotating table; 905. Rotating alignment column; 906. Rotating auxiliary positioning column;

[0040] 10. First detection component; 1001. First detection stage; 1002. First X-guide module; 1003. First X motor; 1004. First upright plate; 1005. First Z-guide module; 1006. First Z motor; 1007. First Y motor; 1008. First Y-guide module; 1009. 3D scanning mechanism;

[0041] 11. Second rotating mechanism,

[0042] 12. Second detection component; 1201. Second detection stage; 1202. Second X-guide module; 1203. Second X motor; 1204. Second vertical plate; 1205. Second Z motor; 1206. Second Z-guide module; 1207. Second Y-guide module; 1208. Second Y motor; 1209. Detection camera. Detailed Implementation

[0043] To better understand the above-mentioned objectives, features, and advantages of the present invention, the present invention will be further described in detail below with reference to specific embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0044] Many specific details are set forth in the following description in order to provide a full understanding of the invention.

[0045] However, the present invention may also be implemented in other ways different from those described herein.

[0046] Therefore, the scope of protection of this invention is not limited to the specific embodiments disclosed below.

[0047] Example 1

[0048] See Figure 1-10 As shown, the present invention proposes a photovoltaic silicon wafer basket defect detection device, including: a bottom frame 2 and a top frame 3, and a conveyor line 4 disposed inside the top frame 3;

[0049] A control computer 1 is hinged to the bottom frame 2. The control computer 1 can intelligently control the automatic operation of the defect detection equipment. Multiple flower baskets 5 are set on the conveyor line 4. The conveyor line 4 controls the flower baskets 5 to move along the conveying direction.

[0050] Above the conveyor line 4, along the conveying direction, are sequentially arranged a gripping mechanism 6, a screw detection mechanism 7, a first rotating mechanism 9, and a second rotating mechanism 11;

[0051] The gripping mechanism 6 is used to grip and position the flower basket 5 that has been moved to the bottom of the gripping mechanism 6;

[0052] The screw inspection mechanism 7 is used to detect loose screws on the top of the basket 5;

[0053] A first detection component 10 is provided on one side of the first rotating mechanism 9. During the rotation of the flower basket 5 by the first rotating mechanism 9, the first detection component 10 performs defect detection on the outside of the flower basket 5.

[0054] A second detection component 12 is provided on one side of the second rotating mechanism 11. During the rotation of the flower basket 5 by the second rotating mechanism 11, the second detection component 12 performs defect detection on the outside of the flower basket 5.

[0055] It should be noted that the conveyor line 4 includes two parallel conveyor belts 403. Both ends of the inner side of the conveyor belts 403 are equipped with conveyor rollers 402. A conveyor motor 401 is connected to one side of the conveyor belts 403. The conveyor motor 401 is used to drive the conveyor belts 403 to move, thereby realizing the conveying of the flower baskets 5 and thus realizing the automated defect detection of the flower baskets 5.

[0056] According to an embodiment of the present invention, the flower basket 5 includes an upper end face 507 and a lower end face 501. A reinforcing rod 503 and a supporting rod 505 are provided between the upper end face 507 and the lower end face 501. The supporting rod 505 is located inside the reinforcing rod 503. The two ends of the reinforcing rod 503 are fixedly connected to the upper end face 507 and the lower end face 501 respectively by screws. A plurality of toothed pieces 504 are arranged in an array along the length direction on the outer side of the reinforcing rod 503. A gap is provided between two adjacent toothed pieces 504. The edge of the photovoltaic silicon wafer 502 is inserted into the gap for support. A positioning hole 508 is provided in the middle position of both the upper end face 507 and the lower end face 501.

[0057] It should be noted that multiple screw holes 506 are provided on both the upper end face 507 and the lower end face 501. The screw holes 506 correspond to the positions of the support rod. The support rod can be fixed between the upper end face 507 and the lower end face 501 by inserting screws into the screw holes 506.

[0058] According to an embodiment of the present invention, a plurality of lifting mechanisms 8 are provided at intervals below the conveying line 4 and along the conveying direction, and the positions of the plurality of lifting mechanisms 8 correspond one-to-one with those of the gripping mechanism 6, the screw detection mechanism 7, the first rotating mechanism 9, and the second rotating mechanism 11.

[0059] According to an embodiment of the present invention, the lifting mechanism 8 includes a lifting base plate 801. Two lifting adjustment cylinders 803 are symmetrically arranged on both sides of the top of the lifting base plate 801. Lifting adjustment rods 806 are connected to the top of the lifting adjustment cylinders 803. The two lifting adjustment rods 806 can move relative to each other. A lifting motor 802 is arranged on the top of the lifting base plate 801 and inside the two lifting adjustment cylinders 803. A rotatable lifting plate 804 is connected to the top of the lifting motor 802. A lifting alignment post 805 matching the positioning hole 508 is arranged at the middle position of the top of the lifting plate 804.

[0060] According to an embodiment of the present invention, the gripping mechanism 6 includes a gripping fixing plate 601 fixedly installed on the top frame 3. A gripping mounting plate 602 is provided at the bottom of the gripping fixing plate 601. A vertical gripping guide rail 603 is provided on one side of the gripping mounting plate 602. A gripping motor 609 is provided at the bottom of the vertical gripping guide rail 603. A gripping slider 604 is connected to one side of the vertical gripping guide rail 603. A support plate 608 is connected to the bottom of the gripping slider 604. Two clamping cylinders 605 are provided at the top of the support plate 608 and below the gripping slider 604. A clamping plate 606 is provided opposite to one end of the two clamping cylinders 605. A gripper 607 is provided on one side of the clamping plate 606. The two clamping cylinders 605 respectively control the corresponding clamping plate 606 to move relative to each other to grip the flower basket 5.

[0061] According to an embodiment of the present invention, the screw detection mechanism 7 includes a detection fixing plate 701 and a detection mounting plate 702 disposed at the bottom of the detection fixing plate 701. Two first adjustment modules 705 are arranged parallel to each other on both sides of the bottom of the detection mounting plate 702. A second adjustment module 706 is connected to the two first adjustment modules 705. An adjustment slider 707 is connected to the second adjustment module 706. A laser displacement sensor 708 is disposed on one side of the adjustment slider 707. The laser displacement sensor 708 measures the height difference between the top surface of the screw and the upper end surface to determine whether the screw is protruding, thereby determining the firmness of the screw fixation.

[0062] According to an embodiment of the present invention, a first control motor 703 is fixedly installed on one side of the detection mounting plate 702. An adjusting screw 704 is connected to the shaft end of the first control motor 703. The adjusting screw 704 is connected to the second adjusting module 706. The first control motor 703 drives the screw to rotate. During the rotation of the screw, the second adjusting module 706 is driven to slide along the first adjusting module 705. A second control motor 709 is provided at one end of the second adjusting module 706. The second control motor 709 is used to control the adjusting slider 707 to slide along the second adjusting module 706.

[0063] According to an embodiment of the present invention, the first rotating mechanism 9 and the second rotating mechanism 11 have the same structure. Both the first rotating mechanism 9 and the second rotating mechanism 11 include a rotating fixing plate 901. The rotating fixing plate 901 is fixedly installed on the top frame 3. A rotating fixing bracket 902 is provided at the bottom of the rotating fixing plate 901. A rotating motor 903 is connected to the bottom of the rotating fixing bracket 902. A rotating table 904 is hinged to the bottom of the rotating motor 903. A rotating alignment post 905 and a rotating auxiliary positioning post 906 are provided at the bottom of the rotating table 904. The position of the rotating alignment post 905 matches the position of the positioning hole 508 on the upper end face 507.

[0064] According to an embodiment of the present invention, the first detection component 10 includes a first detection stage 1001 fixedly installed on the bottom frame 2. A first X guide module 1002 is provided on the top of the first detection stage 1001. A second Z guide module is connected above the first X guide module 1002. A first Y guide module 1008 is connected to one side of the first Z guide module 1005. A 3D scanning mechanism 1009 is connected to one side of the first Y guide module 1008.

[0065] It should be noted that one end of the first X-guide module 1002 is connected to the first X-motor 1003, and the first upright plate 1004 is connected to the first X-guide module 1002. The first Z-guide module 1005 is fixedly installed on one side of the upright plate. The first X-motor 1003 is used to control the first upright plate 1004 to slide in the X direction. Similarly, the top of the first Z-guide module 1005 is provided with the first Z-motor 1006. The first Z-motor 1006 is used to control the first Y-guide module 1008 to move in the Z direction. One end of the first Y-guide module 1008 is connected to the first Y-motor 1007. The first Y-motor 1007 is used to control the movement of the detection camera 1209. By setting the first X-guide module 1002, the first Y-guide module 1008 and the first Z-guide module 1005, the detection camera 1209 can move flexibly in the X, Y and Z directions, thereby performing all-round defect detection on the flower basket 5.

[0066] According to an embodiment of the present invention, the second detection component 12 includes a second detection platform 1201 fixedly installed on the bottom frame 2. A second X-guide module 1202 is provided on the top of the second detection platform 1201. A second Z-guide module 1206 is connected above the second X-guide module 1202. A second Y-guide module 1207 is connected to one side of the second Z-guide module 1206. A detection camera 1209 is connected to one side of the second Y-guide module 1207. The detection camera 1209 performs 2D photographic detection on the outside of the flower basket.

[0067] It should be noted that a second X-guide module 1202 is connected to a second X-motor 1203 at one end, and a second upright plate 1204 is connected to the second X-guide module 1202. A second Z-guide module 1206 is fixedly installed on one side of the upright plate. The second X-motor 1203 is used to control the second upright plate 1204 to slide in the X direction. Similarly, a second Z-motor 1205 is provided on the top of the second Z-guide module 1206. The second Z-motor 1205 is used to control the second Y-guide module 1207 to move in the Z direction. A second Y-motor 1208 is connected to one end of the second Y-guide module 1207. The second Y-motor 1208 is used to control the movement of the detection camera 1209. By setting the second X-guide module 1202, the second Y-guide module 1207 and the second Z-guide module 1206, the detection camera 1209 can move flexibly in the X, Y and Z directions, thereby performing all-round defect detection on the flower basket 5.

[0068] In summary, this application uses a conveyor line 4 to automatically move the basket 5. During the movement of the basket 5, a screw detection mechanism 7 detects the looseness of the screw connections on the upper surface 507 of the basket 5. The first detection component 10 and the second detection component 12 combine 2D camera and 3D scanning to perform a comprehensive scan of the outside of the basket 5. This allows for the rapid analysis of defects in the basket 5 that are not visible to the naked eye (missing or protruding screws, deformed support columns, cracks, broken toothed plates 504, burrs on toothed plates 504, missing photovoltaic silicon wafers 502). The application also features automatic code reading, data recording, and automatic rejection of NG basket 5s, thereby improving detection accuracy and efficiency.

[0069] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0070] The above description of the disclosed embodiments enables those skilled in the art to make or use the invention. Various modifications to the above embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

[0071] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. A photovoltaic silicon wafer basket defect detection device, comprising: A bottom frame, a top frame, and a conveyor line disposed inside the top frame; characterized in that, The conveyor line is equipped with multiple flower baskets, and the conveyor line controls the flower baskets to move along the conveying direction; Above the conveyor line, along the conveying direction, are arranged a gripping mechanism, a screw detection mechanism, a first rotating mechanism, and a second rotating mechanism in sequence; The gripping mechanism is used to grip and position the flower basket that has moved to the bottom of the gripping mechanism; The screw detection mechanism is used to detect loose screws on the top of the basket; A first detection component is provided on one side of the first rotating mechanism. During the process of the first rotating mechanism driving the flower basket to rotate, the first detection component performs defect detection on the outside of the flower basket. A second detection component is provided on one side of the second rotating mechanism. During the process of the second rotating mechanism driving the flower basket to rotate, the second detection component performs defect detection on the outside of the flower basket. The flower basket includes an upper end face and a lower end face. A reinforcing rod and a supporting rod are provided between the upper end face and the lower end face. The supporting rod is located inside the reinforcing rod. The two ends of the reinforcing rod are fixedly connected to the upper end face and the lower end face respectively by screws. Several toothed plates are arranged in an array along the length direction on the outer side of the reinforcing rod. A gap is provided between two adjacent toothed plates. The edge of the photovoltaic silicon wafer is inserted into the gap for support. A positioning hole is provided in the middle of the upper end face and the lower end face. The gripping mechanism includes a gripping fixing plate fixedly installed on the top frame. A gripping mounting plate is provided at the bottom of the gripping fixing plate. A vertical gripping guide rail is provided on one side of the gripping mounting plate. A gripping slider is connected to one side of the vertical gripping guide rail. A supporting plate is connected to the bottom of the gripping slider. Two clamping cylinders are provided at the top of the supporting plate and below the gripping slider. A clamping plate is provided at one end of each of the two clamping cylinders facing each other. A gripper is provided on one side of each clamping plate. The two clamping cylinders control the corresponding clamping plates to move relative to each other to grip the flower basket. The screw detection mechanism includes a detection fixing plate and a detection mounting plate disposed at the bottom of the detection fixing plate. Two first adjustment modules are arranged parallel to each other on both sides of the bottom of the detection mounting plate. A second adjustment module is connected to the two first adjustment modules. An adjustment slider is connected to the second adjustment module. A laser displacement sensor is disposed on one side of the adjustment slider. The first detection component includes a first detection stage fixedly installed on the bottom frame. A first X-guide module is provided on the top of the first detection stage. A first Z-guide module is connected above the first X-guide module. A first Y-guide module is connected to one side of the first Z-guide module. A 3D scanning mechanism is connected to one side of the first Y-guide module.

2. The photovoltaic silicon wafer basket defect detection equipment according to claim 1, characterized in that, Multiple lifting mechanisms are arranged at intervals below the conveyor line and along the conveying direction. The positions of the multiple lifting mechanisms correspond one-to-one with the gripping mechanism, screw detection mechanism, first rotating mechanism, and second rotating mechanism.

3. The photovoltaic silicon wafer basket defect detection equipment according to claim 2, characterized in that, The lifting mechanism includes a lifting base plate. Two lifting adjustment cylinders are symmetrically arranged on both sides of the top of the lifting base plate. Lifting adjustment rods are connected to the top of the lifting adjustment cylinders. The two lifting adjustment rods move relative to each other. A lifting motor is arranged on the top of the lifting base plate and inside the two lifting adjustment cylinders. A rotatable lifting plate is connected to the top of the lifting motor. A lifting alignment post matching the positioning hole is arranged at the middle position of the top of the lifting plate.

4. The photovoltaic silicon wafer basket defect detection equipment according to claim 1, characterized in that, A first control motor is fixedly installed on one side of the detection mounting plate. An adjusting screw is connected to the shaft end of the first control motor. The adjusting screw is connected to the second adjusting module. The first control motor drives the screw to rotate. During the rotation of the screw, the second adjusting module slides along the first adjusting module. A second control motor is provided at one end of the second adjusting module. The second control motor is used to control the adjusting slider to slide along the second adjusting module.

5. The photovoltaic silicon wafer basket defect detection equipment according to claim 1, characterized in that, The first rotating mechanism and the second rotating mechanism have the same structure. Both the first rotating mechanism and the second rotating mechanism include a rotating fixed plate. The rotating fixed plate is fixedly installed on the top frame. A rotating fixed frame is provided at the bottom of the rotating fixed plate. A rotating motor is connected to the bottom of the rotating fixed frame. A rotating table is hinged to the bottom of the rotating motor. A rotating alignment post and a rotating auxiliary positioning post are provided at the bottom of the rotating table. The position of the rotating alignment post matches the position of the positioning hole on the upper end face.

6. The photovoltaic silicon wafer basket defect detection equipment according to claim 1, characterized in that, The second detection component includes a second detection stage fixedly installed on the bottom frame. A second X-guide module is provided on the top of the second detection stage. A second Z-guide module is connected above the second X-guide module. A second Y-guide module is connected to one side of the second Z-guide module. A detection camera is connected to one side of the second Y-guide module.