Product detection system

Abstract

The invention discloses a product detection system. The product detection system comprises a cabinet body including an upper cabinet body and a lower cabinet body; the product detection device is arranged in the upper cabinet body and is used for detecting the quality of the product; and the control device is arranged in the lower cabinet body and is electrically connected to the product detection device. The product detection device comprises a product conveying device used for conveying a detected product; and the plurality of camera devices are arranged at a plurality of different positions along the conveying direction of the product and are used for respectively shooting images of the detected product from a plurality of different directions. The control device comprises a quality judgment module which is used for judging whether the quality of the detected product is qualified or not according to the shot image of the product. According to the product detection system, quality detection of various products can be automatically completed, sorting of qualified products and unqualified products can be automatically completed, and the detection efficiency and quality of the products are greatly improved.

Description

Technical Field

[0001] The invention relates to a product detection system, in particular to a product detection system for detecting whether the quality of an injection molded product is qualified. Background Art

[0002] In the prior art, the quality of injection molded products (eg, connector housings) is usually inspected manually. However, the efficiency and quality of manual inspection are low. Summary of the invention

[0003] The purpose of the present invention is to solve at least one aspect of the above-mentioned problems and defects in the prior art.

[0004] According to one aspect of the present invention, a product inspection system is provided. The product inspection system comprises: a cabinet, including an upper cabinet and a lower cabinet; a product inspection device, installed in the upper cabinet, for inspecting the quality of the product; and a control device, installed in the lower cabinet and electrically connected to the product inspection device. The product inspection device comprises: a product conveying device, for conveying the inspected product; and a plurality of camera devices, arranged at a plurality of different positions along the conveying direction of the product, for capturing images of the inspected product from a plurality of different orientations, respectively. The control device comprises: a quality judgment module, for judging whether the quality of the inspected product is qualified based on the captured image of the product.

[0005] According to an exemplary embodiment of the present invention, the multiple camera devices include: a first camera device, used to capture a first image of the inspected product from a first orientation, and the quality judgment module is suitable for judging whether the quality of the inspected product is qualified based on the captured first image of the product.

[0006] According to another exemplary embodiment of the present invention, the control device includes: a storage device, in which a plurality of different quality judgment modules corresponding to a plurality of different products are stored; and an identification device, for identifying the quality judgment module corresponding to the product based on a first image of the product captured, after identifying the quality judgment module, the control device uses the identified quality judgment module to determine whether the quality of the product is qualified.

[0007] According to another exemplary embodiment of the present invention, the product inspection system further includes: a first waste product recovery device, which is arranged downstream of the first camera device and is used to recover products with unqualified quality. When the quality judgment module determines that the quality of the inspected product is unqualified based on the first image captured, the control device controls the first waste product recovery device to recover the unqualified product from the product conveying device.

[0008] According to another exemplary embodiment of the present invention, the product detection system further includes: a first sensor, which is arranged on the product conveying device, and is used to detect whether the product has been conveyed to a first detection station corresponding to the first camera device. When the first sensor detects that the product has been conveyed to the first detection station, the first sensor sends a first trigger signal to the control device; when the control device receives the first trigger signal, the control device sends a first control signal to the first camera device to capture a first image of the product.

[0009] According to another exemplary embodiment of the present invention, the first waste recovery device includes: a first unloading channel fixed to the product conveying device and connected to the product conveying channel of the product conveying device; a first guiding device, used to guide unqualified products from the product conveying channel to the first unloading channel; and a first waste recovery box, arranged below the outlet of the first unloading channel, for receiving unqualified products output from the first unloading channel.

[0010] According to another exemplary embodiment of the present invention, the plurality of camera devices further include: a second camera device, disposed downstream of the first waste recycling device, for capturing a second image of the inspected product from a second orientation different from the first orientation. The quality judgment module is adapted to judge whether the quality of the inspected product is qualified based on the captured second image of the product.

[0011] According to another exemplary embodiment of the present invention, the product inspection system further includes: a second waste product recovery device, which is arranged downstream of the second camera device and is used to recover products with unqualified quality. When the quality judgment module determines that the quality of the inspected product is unqualified based on the captured second image, the control device controls the second waste product recovery device to recover the unqualified product from the product conveying device.

[0012] According to another exemplary embodiment of the present invention, the product detection system further includes:

[0013] The second sensor is arranged on the product conveying device, and is used to detect whether the product has been conveyed to the second inspection station corresponding to the second camera device. When the second sensor detects that the product has been conveyed to the second inspection station, the second sensor sends a second trigger signal to the control device; when the control device receives the second trigger signal, the control device sends a second control signal to the second camera device to capture a second image of the product.

[0014] According to another exemplary embodiment of the present invention, the second waste recovery device includes: a second unloading channel fixed to the product conveying device and connected to the product conveying channel of the product conveying device; a second guiding device, used to guide unqualified products from the product conveying channel to the second unloading channel; and a second waste recovery box, arranged below the outlet of the second unloading channel, for receiving unqualified products output from the second unloading channel.

[0015] According to another exemplary embodiment of the present invention, the product inspection system further includes: a qualified product recovery device, which is arranged at the most downstream of the product conveying device and is used to recover qualified products. When the quality judgment module judges that the quality of the inspected product is qualified according to the captured image, the control device controls the qualified product recovery device to recover the qualified product from the product conveying device.

[0016] According to another exemplary embodiment of the present invention, the qualified product recovery device includes: a conical guide device, which is movably mounted to the product conveying device and whose inlet is connected to the outlet of the product conveying device; a plurality of unloading channels, arranged side by side, for receiving products output from the outlet of the conical guide device; and a plurality of qualified product recovery boxes, arranged side by side and respectively located below the outlets of the plurality of unloading channels, for respectively receiving products output from the outlets of the plurality of unloading channels, the outlet of the conical guide device can be moved to a plurality of different positions respectively docked with the inlets of the plurality of unloading channels, so as to be able to guide the products into the plurality of unloading channels respectively.

[0017] According to another exemplary embodiment of the present invention, when the conical guide device is docked with a discharge channel and a qualified product recovery box corresponding to the discharge channel is already filled with the product, the control device controls the conical guide device to move to a position docking with another discharge channel to input the product into another qualified product recovery box corresponding to the other discharge channel.

[0018] According to another exemplary embodiment of the present invention, the qualified product recovery device further includes: a bracket, and the plurality of discharge channels are fixed to the bracket side by side.

[0019] According to another exemplary embodiment of the present invention, the product inspection system further includes: a product supply device for supplying the inspected product to the product conveying device.

[0020] According to another exemplary embodiment of the present invention, the product supply device includes: a supply hopper, including an entrance portion located outside the upper cabinet and an exit portion located inside the upper cabinet; and a vibrating tray for receiving products output from the exit portion of the supply hopper and conveying the received products to the product conveying device by vibration.

[0021] According to another exemplary embodiment of the present invention, the product conveying device has a product conveying channel extending in a straight line, the entrance of the product conveying channel is connected to the outlet of the vibrating material tray; the vibrating material tray conveys the product to the entrance of the product conveying channel of the product conveying device by vibration. According to another exemplary embodiment of the present invention, the product detection system also includes: a control panel, which is arranged on the upper cabinet, the control panel includes a human-computer interaction interface and a plurality of control buttons, the human-computer interaction interface is used to input information to the product detection system; the plurality of control buttons are used to control the start and stop of the product detection system.

[0022] According to another exemplary embodiment of the present invention, the control device includes a storage device, in which a plurality of different codes corresponding to a plurality of different products and a plurality of different quality judgment modules corresponding to the plurality of different products are stored; when the code of the product input through the human-computer interaction interface is the code of a new product not stored in the storage device, it is necessary to input a sample image of the new product and the quality judgment module corresponding to the new product through the human-computer interaction interface.

[0023] According to another exemplary embodiment of the present invention, the product detection system further comprises: a status display light installed on the top of the upper cabinet, for displaying the working status of the product detection system. When the product detection system is in a normal state, the control device controls the status display light to display a first color; when the product detection system is in a fault state, the control device controls the status display light to display a second color different from the first color.

[0024] According to another exemplary embodiment of the present invention, retractable supporting legs and rollers are installed on the bottom of the cabinet; when the supporting legs are extended, the cabinet is supported on the ground by the supporting legs; when the supporting legs are retracted, the cabinet is supported on the ground by the rollers so as to be able to move freely on the ground through the rollers.

[0025] According to another exemplary embodiment of the present invention, the product inspection device further includes a display, and the display is used to display the images captured by the multiple camera devices and the judgment results of the quality judgment module.

[0026] In the aforementioned various exemplary embodiments according to the present invention, the product inspection system can automatically complete the quality inspection of various products, and can automatically complete the sorting of qualified products and unqualified products, which greatly improves the inspection efficiency and quality of the products.

[0027] Other objects and advantages of the present invention will become apparent from the following description of the present invention with reference to the accompanying drawings, which will help to provide a comprehensive understanding of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 A three-dimensional schematic diagram showing a product inspection system according to an exemplary embodiment of the present invention;

[0029] Figure 2 A three-dimensional schematic diagram showing a product inspection system according to an exemplary embodiment of the present invention when viewed from one direction, wherein the upper cabinet is removed to show the product inspection device inside;

[0030] Figure 3 A three-dimensional schematic diagram showing a product inspection system according to an exemplary embodiment of the present invention when viewed from another direction, wherein the upper cabinet is removed to show the product inspection device inside;

[0031] Figure 4 A three-dimensional schematic diagram showing a product inspection device according to an exemplary embodiment of the present invention. DETAILED DESCRIPTION

[0032] The technical solution of the present invention is further specifically described below by examples and in conjunction with the accompanying drawings. In the specification, the same or similar reference numerals indicate the same or similar components. The following description of the embodiments of the present invention with reference to the accompanying drawings is intended to explain the overall inventive concept of the present invention and should not be construed as a limitation of the present invention.

[0033] In addition, in the detailed description below, for ease of explanation, many specific details are set forth to provide a comprehensive understanding of the disclosed embodiments. However, it is apparent that one or more embodiments may be implemented without these specific details. In other cases, known structures and devices are embodied in a schematic manner to simplify the accompanying drawings.

[0034] According to an overall technical concept of the present invention, a product inspection system is provided. The product inspection system includes: a cabinet, including an upper cabinet and a lower cabinet; a product inspection device, installed in the upper cabinet, for inspecting the quality of the product; and a control device, installed in the lower cabinet and electrically connected to the product inspection device. The product inspection device includes: a product conveying device, for conveying the inspected product; and a plurality of camera devices, which are arranged at a plurality of different positions along the conveying direction of the product, for capturing images of the inspected product from a plurality of different orientations, respectively. The control device includes: a quality judgment module, for judging whether the quality of the inspected product is qualified based on the captured image of the product.

[0035] Figure 1 A three-dimensional schematic diagram showing a product inspection system according to an exemplary embodiment of the present invention; Figure 2 A three-dimensional schematic diagram showing a product inspection system according to an exemplary embodiment of the present invention when viewed from one direction, wherein the upper cabinet 11 is removed to show the product inspection device 3 inside; Figure 3 A three-dimensional schematic diagram showing a product inspection system according to an exemplary embodiment of the present invention when viewed from another direction, wherein the upper cabinet 11 is removed to show the product inspection device 3 inside; Figure 4 A three-dimensional schematic diagram showing a product inspection device 3 according to an exemplary embodiment of the present invention.

[0036] like Figures 1 to 4 As shown, in an exemplary embodiment of the present invention, a product detection system is disclosed. The product detection system includes: a cabinet 1, a product detection device 3 and a control device (not shown). The cabinet 1 includes an upper cabinet 11 and a lower cabinet 12 separated from each other. The product detection device 3 is installed in the upper cabinet 11 and is used to detect the quality of the product. The control device is installed in the lower cabinet 12 and is electrically connected to the product detection device 3. The product detection device 3 includes: a product conveying device 33 and a plurality of camera devices 34, 36. The product conveying device 33 is used to convey the product to be detected (not shown, for example, the injection molded housing of the connector or other injection molded products). The plurality of camera devices 34, 36 are arranged at a plurality of different positions along the conveying direction of the product, and are used to take images of the product to be detected from a plurality of different directions respectively. The control device includes a quality judgment module, and the quality judgment module is used to judge whether the quality of the product to be detected is qualified according to the image of the product taken. The quality judgment module can be a functional module combining software and hardware, for example, an algorithm program running on a PLC or an industrial computer.

[0037] like Figures 1 to 4As shown, in the illustrated embodiment, the plurality of camera devices 34, 36 include a first camera device 34, which is used to capture a first image of the inspected product from a first position. The quality judgment module is adapted to judge whether the quality of the inspected product is qualified based on the captured first image of the product.

[0038] like Figures 1 to 4 As shown, in the illustrated embodiment, the control device further includes: a storage device (not shown, which may be a functional module combining software and hardware) and an identification device (not shown, which may be a functional module combining software and hardware). A plurality of different quality judgment modules corresponding to a plurality of different products are stored in the storage device. The identification device is used to identify the quality judgment module corresponding to the product according to the first image of the product captured. After identifying the quality judgment module, the control device uses the identified quality judgment module to determine whether the quality of the product is qualified.

[0039] like Figures 1 to 4 As shown, in the illustrated embodiment, the product inspection system further includes a first waste product recovery device 35. The first waste product recovery device 35 is disposed downstream of the first camera device 34 and is used to recover products with unqualified quality. When the quality judgment module determines that the quality of the inspected product is unqualified according to the captured first image, the control device controls the first waste product recovery device 35 to recover the unqualified product from the product conveying device 33.

[0040] like Figures 1 to 4 As shown, in the illustrated embodiment, the product detection system further includes a first sensor 34a, which is disposed on the product conveying device 33 and is used to detect whether the product has been conveyed to the first detection station corresponding to the first camera device 34. When the first sensor 34a detects that the product has been conveyed to the first detection station, the first sensor 34a sends a first trigger signal to the control device. When the control device receives the first trigger signal, the control device sends a first control signal to the first camera device 34 to capture a first image of the product.

[0041] like Figures 1 to 4 As shown, in the illustrated embodiment, the first waste product recovery device 35 includes: a first discharge channel 351, a first guide device (not shown) and a first waste product recovery box 352. The first discharge channel 351 is fixed to the product conveying device 33 and communicates with the product conveying channel of the product conveying device 33. The first guide device is used to guide the unqualified products from the product conveying channel to the first discharge channel 351. The first waste product recovery box 352 is arranged below the outlet of the first discharge channel 351, and is used to receive the unqualified products output from the first discharge channel 351.

[0042] like Figures 1 to 4As shown, in the illustrated embodiment, the plurality of camera devices 34, 36 further include a second camera device 36, which is disposed downstream of the first waste recovery device 35 and is used to capture a second image of the inspected product from a second orientation different from the first orientation. The quality judgment module is adapted to judge whether the quality of the inspected product is qualified based on the captured second image of the product.

[0043] like Figures 1 to 4 As shown, in the illustrated embodiment, the product inspection system further includes a second waste recovery device 37. The second waste recovery device 37 is disposed downstream of the second camera device 34 and is used to recover products with unqualified quality. When the quality judgment module determines that the quality of the inspected product is unqualified according to the captured second image, the control device controls the second waste recovery device 37 to recover the unqualified product from the product conveying device 33.

[0044] like Figures 1 to 4 As shown, in the illustrated embodiment, the product detection system further includes a second sensor 36a, which is disposed on the product conveying device 33 and is used to detect whether the product has been conveyed to the second detection station corresponding to the second camera device 36. When the second sensor 36a detects that the product has been conveyed to the second detection station, the second sensor 36a sends a second trigger signal to the control device. When the control device receives the second trigger signal, the control device sends a second control signal to the second camera device 36 to capture a second image of the product.

[0045] like Figures 1 to 4 As shown, in the illustrated embodiment, the second waste recovery device 37 includes: a second discharge channel 371, a second guide device (not shown) and a second waste recovery box 372. The second discharge channel 371 is fixed to the product conveying device 33 and communicates with the product conveying channel of the product conveying device 33. The second guide device is used to guide the unqualified products from the product conveying channel to the second discharge channel 371. The second waste recovery box 372 is arranged below the outlet of the second discharge channel 371, and is used to receive the unqualified products output from the second discharge channel 371.

[0046] like Figures 1 to 4 As shown, in the illustrated embodiment, the product inspection system further includes a qualified product recovery device, which is arranged at the most downstream of the product conveying device 33 and is used to recover qualified products. When the quality judgment module judges that the quality of the inspected product is qualified according to the captured image, the control device controls the qualified product recovery device to recover the qualified product from the product conveying device 33.

[0047] like Figures 1 to 4As shown, in the illustrated embodiment, the qualified product recovery device 38 includes: a conical guide device 381, a plurality of discharge channels 383 and a plurality of qualified product recovery boxes 384. The conical guide device 381 is movably mounted to the product conveying device 33 and its inlet is connected to the outlet of the product conveying device 33. The plurality of discharge channels 383 are arranged side by side for receiving products output from the outlet of the conical guide device 381. The plurality of qualified product recovery boxes 384 are arranged side by side and are respectively located below the outlets of the plurality of discharge channels 383 for respectively receiving products output from the outlets of the plurality of discharge channels 383. The outlet of the conical guide device 381 can be moved to a plurality of different positions respectively docked with the inlets of the plurality of discharge channels 383 so as to be able to guide the products to the plurality of discharge channels 383 respectively.

[0048] like Figures 1 to 4 As shown, in the illustrated embodiment, when the conical guide device 381 is docked with a discharge channel 383 and a qualified product recovery box 384 corresponding to the discharge channel 383 is already filled with products, the control device controls the conical guide device 381 to move to a position docking with another discharge channel 383 to input the products into another qualified product recovery box 384 corresponding to the other discharge channel 383.

[0049] like Figures 1 to 4 As shown, in the illustrated embodiment, the qualified product recovery device 38 further includes a bracket 382, ​​and a plurality of discharge channels 383 are fixed to the bracket 382 side by side.

[0050] like Figures 1 to 4 As shown, in the illustrated embodiment, the product inspection system further includes a product supply device for supplying the inspected product to the product conveying device 33 .

[0051] like Figures 1 to 4 As shown, in the illustrated embodiment, the product supply device includes: a supply hopper 31 and a vibrating tray 32. The supply hopper 31 includes an inlet portion 311 located outside the upper cabinet 11 and an outlet portion 312 located inside the upper cabinet 11. The vibrating tray 32 is used to receive the product output from the outlet portion 312 of the supply hopper 31 and convey the received product to the product conveying device 33 by vibration.

[0052] like Figures 1 to 4 As shown, in the illustrated embodiment, the product conveying device 33 has a product conveying channel extending in a straight line, and the inlet of the product conveying channel is connected to the outlet 32a of the vibrating material tray 32. The vibrating material tray 32 conveys the product to the inlet of the product conveying channel of the product conveying device 33 by vibration.

[0053] like Figures 1 to 4As shown, in the illustrated embodiment, the product detection system also includes a control panel 2, which is arranged on the upper cabinet. The control panel 2 includes a human-computer interaction interface 21 and a plurality of control buttons 22. The human-computer interaction interface 21 is used to input information to the product detection system; and the plurality of control buttons 22 are used to control the start and stop of the product detection system.

[0054] like Figures 1 to 4 As shown, in the embodiment shown in the figure, the control device includes a storage device, in which a plurality of different codes corresponding to a plurality of different products and a plurality of different quality judgment modules corresponding to a plurality of different products are stored. When the code of the product input through the human-machine interaction interface 21 is the code of a new product that is not stored in the storage device, it is necessary to input a sample image of the new product and a quality judgment module corresponding to the new product through the human-machine interaction interface 21.

[0055] like Figures 1 to 4 As shown, in the illustrated embodiment, the product detection system further includes a status display light 4, which is mounted on the top of the upper cabinet 11 and is used to display the working status of the product detection system. When the product detection system is in a normal state, the control device controls the status display light 4 to display a first color, for example, green. When the product detection system is in a fault state, the control device controls the status display light 4 to display a second color different from the first color, for example, red or yellow.

[0056] like Figures 1 to 4 As shown, in the illustrated embodiment, retractable support legs 14 and rollers 15 are installed on the bottom of the cabinet 1. When the support legs 14 are extended, the cabinet 1 is supported on the ground by the support legs 14, and when the support legs 14 are retracted, the cabinet 1 is supported on the ground by the rollers 15 so that the cabinet 1 can move freely on the ground through the rollers 15.

[0057] Although not shown in the figure, in an exemplary embodiment of the present invention, the product inspection device 3 further includes a display, which is used to display the images captured by the multiple camera devices 34 and 36 and the judgment results of the quality judgment module.

[0058] The following will refer to the attached Figure 1-4 To briefly explain the working process of the product inspection system shown in the figure, the working process mainly includes the following steps:

[0059] S10: Inputting the product code into the product detection system through the human-computer interaction interface 21;

[0060] S20: Determine whether the input product code has been stored in the memory of the control device. If the determination result is yes, execute the following step S40; otherwise, execute the following step S30;

[0061] S30: inputting a sample image of the product and a quality judgment module corresponding to the product into the product inspection system through the human-computer interaction interface 21;

[0062] S40: Determine whether the sensors 34a and 36a send out a trigger signal. If the determination result is yes, execute the following step S50, otherwise continue to execute step S40;

[0063] S50: The control device controls the camera devices 34 and 36 to capture an image of the product and identifies a quality judgment module corresponding to the product based on the captured image;

[0064] S60: Determine whether the quality of the product is qualified based on the captured image and using the quality judgment module. If the judgment result is yes, the qualified product is transported to the qualified product recycling device. If the judgment result is no, the unqualified product is transported to the waste recycling device.

[0065] Those skilled in the art will appreciate that the embodiments described above are exemplary and may be improved upon by those skilled in the art. The structures described in the various embodiments may be freely combined without causing any conflicts in structure or principle, and these changes should fall within the scope of protection of the present invention.

[0066] Although the present invention has been described in conjunction with the accompanying drawings, the embodiments disclosed in the accompanying drawings are intended to exemplify the preferred implementations of the present invention and should not be construed as limiting the present invention.

[0067] Although some embodiments of the general inventive concept have been shown and described, it will be appreciated by those skilled in the art that changes may be made to these embodiments without departing from the principles and spirit of the general inventive concept, the scope of which is defined in the claims and their equivalents.

[0068] It should be noted that the word "comprising" does not exclude other elements or steps, and the word "a" or "an" does not exclude a plurality. In addition, any element reference signs in the claims shall not be construed as limiting the scope of the present invention.

Claims

1. A product detection system, characterized in that: include: A cabinet (1), comprising an upper cabinet (11) and a lower cabinet (12); A product detection device (3), installed in the upper cabinet (11), for detecting the quality of the product; and a control device, installed in the lower cabinet (12) and electrically connected to the product detection device (3), The product detection device (3) comprises: A product conveying device (33) for conveying the product to be inspected; and A plurality of camera devices (34, 36) are arranged at a plurality of different positions along the conveying direction of the product, and are used to take images of the inspected product from a plurality of different directions respectively; The control device comprises: The quality judgment module is used to judge whether the quality of the inspected product is qualified based on the captured image of the product.

2. The product detection system according to claim 1, characterized in that: The plurality of camera devices (34, 36) include: A first camera device (34) is used to capture a first image of the inspected product from a first position, The quality judgment module is adapted to judge whether the quality of the inspected product is qualified according to the first image of the product taken.

3. The product detection system according to claim 2, characterized in that: The control device comprises: A storage device storing a plurality of different quality judgment modules corresponding to a plurality of different products; and The recognition device is used to recognize the quality judgment module corresponding to the product according to the first image of the product taken. After identifying the quality judgment module, the control device uses the identified quality judgment module to judge whether the quality of the product is qualified.

4. The product detection system according to claim 3, characterized in that: Also includes: A first waste product recovery device (35) is arranged downstream of the first camera device (34) and is used to recover products of substandard quality. When the quality judgment module judges that the quality of the inspected product is unqualified based on the captured first image, the control device controls the first waste recovery device (35) to recover the unqualified product from the product conveying device (33).

5. The product detection system according to claim 4, characterized in that: Also includes: a first sensor (34a), arranged on the product conveying device (33), for detecting whether the product has been conveyed to a first detection station corresponding to the first camera device (34); When the first sensor (34a) detects that the product has been transported to the first inspection station, the first sensor (34a) sends a first trigger signal to the control device. When the control device receives the first trigger signal, the control device sends a first control signal to the first camera device (34) to capture a first image of the product.

6. The product detection system according to claim 4, characterized in that: The first waste recovery device (35) comprises: a first discharge channel (351) fixed to the product conveying device (33) and communicating with the product conveying channel of the product conveying device (33); A first guiding device, used for guiding unqualified products from the product conveying channel to the first discharge channel (351); and The first waste recovery box (352) is arranged below the outlet of the first unloading channel (351) and is used to receive products with unqualified quality output from the first unloading channel (351).

7. The product detection system according to claim 3, characterized in that: The plurality of camera devices (34, 36) further include: a second camera device (36), arranged downstream of the first waste recovery device (35), for capturing a second image of the inspected product from a second position different from the first position, The quality judgment module is adapted to judge whether the quality of the inspected product is qualified according to the captured second image of the product.

8. The product detection system according to claim 7, characterized in that: Also includes: The second waste recovery device (37) is arranged downstream of the second camera device (34) and is used to recover products with substandard quality. When the quality judgment module judges that the quality of the inspected product is unqualified based on the captured second image, the control device controls the second waste recovery device (37) to recover the unqualified product from the product conveying device (33).

9. The product detection system according to claim 7, characterized in that: Also includes: a second sensor (36a), arranged on the product conveying device (33), for detecting whether the product has been conveyed to a second detection station corresponding to the second camera device (36); When the second sensor (36a) detects that the product has been transported to the second inspection station, the second sensor (36a) sends a second trigger signal to the control device. When the control device receives the second trigger signal, the control device sends a second control signal to the second camera device (36) to capture a second image of the product.

10. The product detection system according to claim 7, characterized in that: The second waste recovery device (37) comprises: a second discharge channel (371) fixed to the product conveying device (33) and communicating with the product conveying channel of the product conveying device (33); A second guiding device, used for guiding the unqualified products from the product conveying channel to the second discharge channel (371); and The second waste recovery box (372) is arranged below the outlet of the second unloading channel (371) and is used to receive products with unqualified quality output from the second unloading channel (371).

11. The product detection system according to any one of claims 1 to 10, characterized in that: Also includes: A qualified product recovery device is arranged at the most downstream of the product conveying device (33) and is used to recover qualified products. When the quality judgment module judges that the quality of the inspected product is qualified based on the captured image, the control device controls the qualified product recovery device to recover the qualified product from the product conveying device (33).

12. The product detection system according to claim 11, characterized in that: The qualified product recovery device (38) comprises: a conical guide device (381) movably mounted to the product conveying device (33) and having an inlet communicating with an outlet of the product conveying device (33); a plurality of discharge channels (383) arranged side by side for receiving the products output from the outlet of the conical guide device (381); and A plurality of qualified product recovery boxes (384) are arranged side by side and respectively located below the outlets of the plurality of discharge channels (383), and are used to respectively receive the products output from the outlets of the plurality of discharge channels (383). The outlet of the conical guide device (381) can be moved to a plurality of different positions respectively docking with the inlets of the plurality of discharge channels (383), so as to be able to guide the products into the plurality of discharge channels (383) respectively.

13. The product detection system according to claim 12, characterized in that: When the conical guide device (381) is docked with a discharge channel (383) and a qualified product recovery box (384) corresponding to the discharge channel (383) is already filled with the product, the control device controls the conical guide device (381) to move to a position docking with another discharge channel (383) so as to input the product into another qualified product recovery box (384) corresponding to the other discharge channel (383).

14. The product detection system according to claim 12, characterized in that: The qualified product recovery device (38) further comprises: A bracket (382), wherein the plurality of discharge passages (383) are fixed to the bracket (382) side by side.

15. The product detection system according to claim 1, characterized in that: Also includes: A product supply device is used to supply the product to be inspected to the product conveying device (33).

16. The product detection system according to claim 15, characterized in that: The product supply device comprises: a supply hopper (31) comprising an inlet portion (311) located outside the upper cabinet (11) and an outlet portion (312) located inside the upper cabinet (11); and A vibrating tray (32) is used to receive the product output from the outlet portion (312) of the supply hopper (31) and to convey the received product to the product conveying device (33) by vibration.

17. The product detection system according to claim 16, characterized in that: The product conveying device (33) has a product conveying channel extending in a straight line, and the inlet of the product conveying channel is connected to the outlet (32a) of the vibrating material tray (32); The vibrating material tray (32) conveys the product to the entrance of the product conveying channel of the product conveying device (33) through vibration.

18. The product detection system according to claim 1, characterized in that: Also includes: A control panel (2) is arranged on the upper cabinet, the control panel (2) comprising a human-machine interaction interface (21) and a plurality of control buttons (22), the human-machine interaction interface (21) being used to input information into the product detection system; the plurality of control buttons (22) being used to control the start and stop of the product detection system.

19. The product detection system according to claim 18, characterized in that: The control device includes a storage device, in which a plurality of different codes corresponding to a plurality of different products and a plurality of different quality judgment modules corresponding to a plurality of different products are stored; When the product code input through the human-machine interaction interface (21) is the code of a new product that is not stored in the storage device, it is necessary to input a sample image of the new product and a quality judgment module corresponding to the new product through the human-machine interaction interface (21).

20. The product detection system according to claim 1, characterized in that: Also includes: A status display light (4) is installed on the top of the upper cabinet (11) and is used to display the working status of the product detection system. When the product detection system is in a normal state, the control device controls the state display light (4) to display a first color; When the product detection system is in a fault state, the control device controls the status display light (4) to display a second color different from the first color.

21. The product detection system according to claim 1, characterized in that: A retractable supporting leg (14) and a roller (15) are installed on the bottom of the cabinet (1); When the supporting legs (14) are extended, the cabinet (1) is supported on the ground by the supporting legs (14); When the supporting legs (14) are retracted, the cabinet (1) is supported on the ground by the rollers (15) so as to be able to move freely on the ground via the rollers (15).

22. The product detection system according to claim 1, characterized in that: The product inspection device (3) also includes a display, which is used to display the images captured by the multiple camera devices (34, 36) and the judgment results of the quality judgment module.

Images