Product classification device based on visual inspection

Abstract

The utility model belongs to the field of detection and classification, and provides a product classification device based on visual inspection, which comprises a detection table, a feeding mechanism, a lifting mechanism, a detection mechanism, a finished product blanking mechanism and a defective product blanking mechanism, the feeding mechanism is arranged on the detection table, a material moving plate is movably arranged on the feeding mechanism, the material moving plate is used for bearing products, and the lifting mechanism is arranged on the detection mechanism. The product is transferred into the lifting mechanism from the lower part of the detection mechanism; a detection sensor is arranged on the detection mechanism and located above the material moving plate. Compared with the prior art, the utility model has the advantages that the full-process automatic operation from product conveying, quality detection to final classification is realized, the requirement of manual intervention is reduced, and the speed and efficiency of a production line are improved; meanwhile, the products can be selectively conveyed to a finished product discharging mechanism or a defective product discharging mechanism according to the detection result, human errors in the production process are reduced, the requirement of large-scale production is met, and the accuracy of product quality control is ensured.

Description

Technical Field

[0001] This utility model belongs to the field of detection and classification, and specifically relates to a product classification device based on visual inspection. Background Technology

[0002] In modern industrial production, product quality inspection and classification are crucial steps in ensuring product quality. In recent years, with the development of automation technology, more and more companies have begun to adopt automated equipment to improve production efficiency and quality control.

[0003] Traditional testing and classification methods usually rely on manual operation, that is, checking the quality of each product in a manual assembly line. This testing method not only has low overall testing efficiency and cannot meet the requirements of large-scale production, but also is greatly affected by subjective factors. In addition, omissions or errors may occur during the operation, which can easily lead to defective products being mixed into the finished products, ultimately affecting the overall pass rate of product quality. Utility Model Content

[0004] In view of the above-mentioned shortcomings of the existing technology, the technical problem to be solved by this utility model is to propose a product classification device based on visual inspection.

[0005] The technical solution adopted by this utility model to solve its technical problem is to propose a product classification device based on visual inspection, used to realize the automated inspection and classification of products, including: an inspection table, a feeding mechanism, a lifting mechanism, an inspection mechanism, a finished product unloading mechanism, and a defective product unloading mechanism, wherein...

[0006] The feeding mechanism is mounted on the testing platform, and a transfer plate is movably mounted on the feeding mechanism. The transfer plate is used to carry the product and transfer the product from below the testing mechanism to the lifting mechanism.

[0007] The detection mechanism is equipped with a detection sensor, which is located above the transfer plate and is used to detect the processing quality of the product.

[0008] The lifting mechanism is located at the end of the feeding mechanism away from the detector. The lifting mechanism is provided with a lifting plate, and a power roller and an auxiliary roller are movably arranged on the lifting plate. The auxiliary roller can rotate synchronously when the product is moved by the power roller, so that the product can move in the horizontal direction.

[0009] When the transfer plate pushes the inspected product onto the power roller and the auxiliary roller, the lifting plate can lift the product between the finished product unloading mechanism and the defective product unloading mechanism, so that the product can be transferred into the finished product unloading mechanism when the power roller rotates forward, and into the defective product unloading mechanism when the power roller rotates in reverse.

[0010] In the aforementioned product sorting device based on visual inspection, the feeding mechanism includes:

[0011] Mounting brackets are symmetrically arranged on the testing platform;

[0012] Each mounting bracket is provided with a set of driving wheels and driven wheels, which are connected by a belt, and the transfer plate is movably mounted on the belt;

[0013] A connecting shaft is used to connect the drive wheels on two adjacent mounting brackets to prevent the material transfer plate from tilting.

[0014] A driving component is disposed on the detection platform. The output end of the driving component is connected to the drive wheel, which is used to realize the reciprocating movement of the transfer plate along the length direction of the belt.

[0015] In the aforementioned product sorting device based on visual inspection, a number of equally spaced support ribs are connected between two adjacent mounting brackets to support the transfer plate in a horizontal position.

[0016] In the aforementioned product sorting device based on visual inspection, the lifting mechanism includes:

[0017] A lifting cylinder is installed on the testing platform. The output end of the lifting cylinder is vertically upward and connected to the lifting plate, so that the lifting plate can drive the power roller and the auxiliary roller to move between two adjacent mounting brackets.

[0018] A guide column is connected to the bottom wall of the lifting plate, and a fixed guide sleeve is installed inside the detection table. The guide column is movably inserted into the fixed guide sleeve.

[0019] A buffer block is provided on the detection platform. The bottom end of the guide column is connected to a limit plate. A positioning column is provided on the limit plate. The positioning column can move and abut against the buffer block when the guide column moves.

[0020] In the aforementioned product sorting device based on visual inspection, a limiting baffle is also installed on the mounting bracket to prevent the product from falling off the transfer plate.

[0021] In the aforementioned product classification device based on visual inspection, the inspection mechanism further includes a column and a C-shaped plate. The column is located on both sides of the inspection table, the C-shaped plate is located above the inspection table and is detachably connected to the top of the column, and the inspection sensor is installed in the middle of the C-shaped plate.

[0022] In the aforementioned product sorting device based on visual inspection, the finished product unloading mechanism and the defective product unloading mechanism are on the same straight line, and a clearance gap is formed between the finished product unloading mechanism and the defective product unloading mechanism, so that the lifting plate can lift the inspected product to the top position of the clearance gap.

[0023] In the above-mentioned product sorting device based on vision inspection, the inspection mechanism further includes a first position sensor and a second position sensor. The first position sensor is disposed on the mounting bracket and is used to detect that the product has moved above the lifting plate. An extension plate is also disposed on the mounting bracket, and the second position sensor is installed at the top of the extension plate and is used to detect whether the product has been lifted by the lifting plate to the top position of the clearance gap.

[0024] In the aforementioned product sorting device based on visual inspection, both the finished product unloading mechanism and the defective product unloading mechanism include:

[0025] Fixed bracket;

[0026] The mounting blocks are arranged in a stepped manner and symmetrically distributed on both sides of the top wall of the fixed bracket, with a mounting cavity formed between two adjacent mounting blocks;

[0027] Several guide rollers are equidistantly distributed within the mounting cavity and movably connected to the side wall of the mounting block. The guide rollers are used to move the product to the outside of the device.

[0028] In the above-mentioned product sorting device based on vision inspection, a fixed plate is symmetrically arranged on the lifting plate, a drive motor is arranged on the fixed plate, the power roller and the auxiliary roller are equidistantly mounted on the fixed plate, and the output end of the drive motor is connected to the rotating shaft on the power roller.

[0029] Compared with the prior art, the present invention has the following beneficial effects:

[0030] (1) The product classification device based on vision inspection of this utility model realizes the fully automated operation from product conveying, quality inspection and final classification through the design of the detection mechanism (equipped with detection sensors), the lifting mechanism (including power roller and auxiliary roller) and the finished product and defective product unloading mechanism, which reduces the need for manual intervention and thus significantly improves the speed and efficiency of the production line; in particular, the lifting mechanism can selectively send products to the finished product or defective product unloading mechanism according to the detection results, which helps to reduce human error in the production process, not only meeting the requirements of large-scale production, but also ensuring the accuracy of product quality control.

[0031] (2) By using the first position sensor and the second position sensor, the signal detection of the product at different positions is realized, which effectively ensures the smoothness of the connection between the actions of each mechanism and avoids the product from being stuck in any mechanism for too long, thus affecting the overall work efficiency.

[0032] (3) Connect the rotating shaft on the power roller to the drive motor so that when the power roller drives the transfer plate and the product to move, it can drive the auxiliary roller to rotate indirectly. This provides stable support for the movement of the transfer plate and also effectively reduces the use of the drive motor or synchronous belt, which helps to reduce the overall manufacturing cost of the structure. Attached Figure Description

[0033] Figure 1 This is a three-dimensional view of the overall structure of this application;

[0034] Figure 2 This is a schematic diagram of the installation structure of the feeding mechanism on the testing table;

[0035] Figure 3 This is a structural diagram of the testing organization;

[0036] Figure 4 This is a schematic diagram of the lifting mechanism relative to the mounting bracket on the testing platform;

[0037] Figure 5 This is a schematic diagram of the installation structure of the finished product unloading mechanism and the defective product unloading mechanism.

[0038] In the diagram, 1 is the testing platform; 10 is the fixed guide sleeve.

[0039] 2. Feeding mechanism; 20. Transfer plate; 21. Mounting bracket; 210. Support rib; 211. Limiting baffle; 212. Extension plate; 22. Drive wheel; 23. Driven wheel; 24. Belt; 25. Connecting shaft; 26. Drive component;

[0040] 3. Detection mechanism; 30. Detection sensor; 31. Column; 32. C-shaped plate; 33. First position sensor; 34. Second position sensor;

[0041] 4. Lifting mechanism; 40. Lifting plate; 41. Power roller; 42. Auxiliary roller; 43. Lifting cylinder; 44. Guide column; 45. Buffer block; 46. Limiting plate; 460. Positioning column; 47. Fixing plate; 48. Drive motor;

[0042] 50. Finished product unloading mechanism; 51. Defective product unloading mechanism; 520. Clearance gap; 521. Fixed bracket; 522. Mounting block; 523. Mounting cavity; 524. Guide roller. Detailed Implementation

[0043] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0044] like Figures 1 to 5 As shown, this utility model discloses a product sorting device based on visual inspection, used to achieve automated product inspection and sorting. The device includes: an inspection table 1, a feeding mechanism 2, a lifting mechanism 4, an inspection mechanism 3, a finished product unloading mechanism 50, and a defective product unloading mechanism 51. The feeding mechanism 2 is mounted on the inspection table 1, and a transfer plate 20 is movably mounted on the feeding mechanism 2. The transfer plate 20 carries the product and moves it from below the inspection mechanism 3 to the lifting mechanism 4. The inspection mechanism 3 is equipped with a detection sensor 30, located above the transfer plate 20, used to detect the processing quality of the product. The lifting mechanism 4 is equipped with... Located at the end of the feeding mechanism 2 away from the detector, the lifting mechanism 4 is equipped with a lifting plate 40. A power roller 41 and an auxiliary roller 42 are movably mounted on the lifting plate 40. The auxiliary roller 42 can rotate synchronously when the power roller 41 moves the product, so that the product can move in the horizontal direction. When the transfer plate 20 pushes the detected product onto the power roller 41 and the auxiliary roller 42, the lifting plate 40 can lift the product between the finished product unloading mechanism 50 and the defective product unloading mechanism 51, so that the product can be transferred into the finished product unloading mechanism 50 when the power roller 41 rotates forward and into the defective product unloading mechanism 51 when the power roller 41 rotates in reverse.

[0045] This solution primarily aims to achieve post-processing product quality inspection and automated classification. Specifically, for example... Figures 1 to 5 As shown, each product, after processing, is placed on the transfer plate 20 and then transferred to the feeding mechanism 2 via an external conveyor belt (not shown in the figure). The product and the transfer plate 20 are then... Figure 2When the product is positioned as shown, it is directly below the detection sensor 30, thus enabling quality inspection of the product (the detection sensor 30 can be a vision camera, laser scanner, or other high-precision inspection equipment used to detect the product's size, color, and surface defects, etc.). This inspection method reduces the need for manual intervention and significantly improves the speed and efficiency of the production line. After the inspection is completed, the feeding mechanism 2 can push the transfer plate 20 and the product to... Figure 2 At the right end, it is worth noting that the lifting plate 40, the power roller 41, and the auxiliary roller 42 are all located below the transfer plate 20, allowing the lifting plate 40 to move vertically upwards under the control system command. This allows the transfer plate 20 to be supported on the power roller 41 and the auxiliary roller 42, ultimately lifting the transfer plate 20 and the product to the level between the finished product unloading mechanism 50 and the defective product unloading mechanism 51. It should be noted that after the aforementioned detection sensor 30 performs product quality inspection, this detection sensor 30 can... The collected data is transmitted to the control system, which analyzes the data to determine whether the product meets the standards. Based on the final result, the control system controls the forward and reverse rotation of the power roller 41. Therefore, if the product is qualified, the power roller 41 can be controlled to rotate forward, and when the auxiliary roller 42 rotates along with the transfer plate 20, the product is transferred to the finished product unloading mechanism 50 for subsequent processing or packaging. Conversely, if the product is unqualified, the power roller 41 can be controlled to rotate backward, transferring the product to the defective product unloading mechanism 51 for rework or scrapping. Thus, this device achieves fully automated operation from product conveying and quality inspection to final classification through a series of coordinated mechanisms. In particular, selectively sending products to the finished or defective product unloading mechanism 51 based on the inspection results helps reduce human error in the production process, meeting the requirements of large-scale production and ensuring the accuracy of product quality control.

[0046] The feeding mechanism 2 includes: mounting brackets 21, symmetrically arranged on the inspection table 1; driving wheels 22 and driven wheels 23, each mounting bracket 21 is provided with a set of driving wheels 22 and driven wheels 23, the driving wheels 22 and driven wheels 23 are connected by a belt 24, and the transfer plate 20 is movably arranged on the belt 24; a connecting shaft 25, the driving wheels 22 on two adjacent mounting brackets 21 are connected by the connecting shaft 25 to prevent the transfer plate 20 from tilting; and a driving component 26, arranged on the inspection table 1, the output end of the driving component 26 is connected to the driving wheel 22, and is used to realize the reciprocating movement of the transfer plate 20 along the length direction of the belt 24.

[0047] like Figures 1 to 2As shown, when the transfer plate 20 carrying the product is transferred onto the belt 24, after the aforementioned detection sensor 30 completes the product quality inspection, the drive motor 48 can be turned on to drive the drive wheel 22 to rotate. Then, under the synchronous action of the driven wheel 23 and the belt 24, the transfer plate 20 moves along the length of the belt 24 (i.e., from...). Figure 2 (The left end of the mounting bracket 21 shown is moved to the rightmost end). Since there are two sets of driving wheels 22 and driven wheels 23 in this embodiment, the two driving wheels 22 are connected by the connecting shaft 25, thereby ensuring the smoothness and stability of the two sets of driving and driven wheels 23 rotating synchronously and driving the transfer plate 20 to move in the specified direction through the belt 24. This avoids the phenomenon of product falling off or even quality damage caused by tilting during the movement of the transfer plate 20, and effectively improves the stability of the feeding mechanism 2 during operation.

[0048] Preferably, in this embodiment, a number of equally spaced support ribs 210 are connected between two adjacent mounting brackets 21 (three are provided in this embodiment; of course, the number is not limited to one type in this embodiment and can be adjusted according to actual needs). The support ribs 210 are used to ensure that the transfer plate 20 always maintains a horizontal posture during the movement, which further improves the stability during conveying.

[0049] The testing mechanism 3 also includes a column 31 and a C-shaped plate 32. The column 31 is located on both sides of the testing table 1, and the C-shaped plate 32 is located above the testing table 1 and is detachably connected to the top of the column 31. The testing sensor 30 is installed in the middle of the C-shaped plate 32.

[0050] Furthermore, such as Figure 1 and Figure 3 As shown, for the setup of the testing mechanism 3, this embodiment uses two columns 31 placed on both sides of the testing table 1, which are detachably connected to the top of the columns 31 by C-shaped plates 32. This ensures that the transfer plate 20 and the product can smoothly enter the testing area. Figure 2 The location shown provides convenience for the installation and maintenance of the detection sensor 30. Installing the detection sensor 30 in the middle of the C-shaped plate 32 helps ensure the accuracy and stability of the product processing quality. It should be noted that the detachable connections mentioned in this embodiment can all be replaced by screws, bolts, or other fasteners.

[0051] The lifting mechanism 4 includes: a lifting cylinder 43, installed on the testing table 1, with the output end of the lifting cylinder 43 facing vertically upward and connected to the lifting plate 40, so that the lifting plate 40 can drive the power roller 41 and the auxiliary roller 42 to move between two adjacent mounting brackets 21; a guide column 44, which is connected to the bottom wall of the lifting plate 40, and a fixed guide sleeve 10 is installed in the testing table 1, with the guide column 44 movably inserted into the fixed guide sleeve 10; and a buffer block 45, which is set on the testing table 1, with a limit plate 46 connected to the bottom end of the guide column 44, and a positioning column 460 provided on the limit plate 46, which can move and abut against the buffer block 45 when the guide column 44 moves.

[0052] like Figure 2 and Figure 4 As shown, as the belt 24 drives the transfer plate 20 and the product to move to Figure 2 When the rightmost end of the mounting bracket 21 is reached, the output end of the lifting cylinder 43 can drive the lifting plate 40 along... Figure 4 The lifting plate 40, power roller 41, and auxiliary roller 42 are all located below the transfer plate 20 before the vertical upward movement. During this upward movement, the lifting plate 40 supports the transfer plate 20 on the power roller 41 and auxiliary roller 42, ultimately transferring it between the finished product unloading mechanism 50 and the defective product unloading mechanism 51. Throughout the lifting operation, the lifting plate 40 drives the guide column 44 to move relative to each other within the fixed guide sleeve 10, ensuring the linear movement of the lifting plate 40 during its vertical movement. Furthermore, the limiting plate 46 moves upward synchronously with the guide column 44. As the transfer plate 20 and the product are lifted between the finished product unloading mechanism 50 and the defective product unloading mechanism 51, the positioning column 460 on the limiting plate 46 abuts against the bottom wall of the buffer block 45, providing a buffering effect for the lifting plate 40 and ensuring its smooth stop. This improves the accuracy and reliability of the position of the transfer plate 20 and the product after the lifting action.

[0053] The finished product unloading mechanism 50 and the defective product unloading mechanism 51 are on the same straight line, and a clearance gap 520 is formed between the finished product unloading mechanism 50 and the defective product unloading mechanism 51, so that the lifting plate 40 can lift the inspected product to the top position of the clearance gap 520.

[0054] like Figure 1 , Figure 2 as well as Figure 5As shown, it should be noted that the top position of the clearance gap 520 referred to in this embodiment is the position where the lifting plate 40 lifts the transfer plate 20 and the product to the same horizontal height as the finished product unloading mechanism 50 and the defective product unloading mechanism 51, so that the transfer plate 20 and the product can be smoothly pushed to the required position under the drive of the power roller 41. The clearance gap 520 formed between the two provides sufficient space for the lifting plate 40 to lift, ensuring that the position of the product is more accurate during classification, and avoiding the smoothness and accuracy of classification due to inaccurate position.

[0055] The detection mechanism 3 also includes a first position sensor 33 and a second position sensor 34. The first position sensor 33 is mounted on the mounting bracket 21 and is used to detect when the product moves above the lifting plate 40. An extension plate 212 is also mounted on the mounting bracket 21. The second position sensor 34 is mounted on the top of the extension plate 212 and is used to detect whether the product has been lifted by the lifting plate 40 to the top position of the clearance gap 520.

[0056] Furthermore, such as Figure 1 and Figure 2 As shown, after the detection sensor 30 completes the product quality inspection, the transfer plate 20 and the product can be transferred to the conveyor belt 24. Figure 2 As shown at the far right, the first position sensor 33 can detect that the transfer plate 20 and the product are accurately positioned (i.e., whether they are directly above the lifting plate 40), and then send the detection signal to the control system so that the lifting cylinder 43 can immediately connect to the subsequent lifting operation. Similarly, as the lifting plate 40 lifts the transfer plate 20 and the product to the top position of the clearance gap 520, the second position sensor 34 can detect that the product has reached the required height, and then transmit the detection signal to the power roller 41 through the control system so as to connect to the subsequent sorting operation. It can be seen that the first position sensor 33 and the second position sensor 34 further improve the detection accuracy and sorting accuracy of the product, enhance the stability and reliability of the device, and ensure the smooth connection of the actions of each mechanism.

[0057] Preferably, such as Figure 2 As shown, in this embodiment, a limiting baffle 211 is further provided on the mounting bracket 21, and the limiting baffle 211 is located at... Figure 2 On the left side of the mounting bracket 21 shown, since the extension plate 212 is provided on the right side of the mounting bracket 21, and the movement directions of the power roller 41 and the auxiliary roller 42 are both perpendicular to the limiting baffle 211, the limiting baffle 211 can ensure that the product is always on the transfer plate 20, preventing the product from falling off the transfer plate 20 due to vibration or accidental opening of the power roller 41, effectively avoiding the risk of the product falling accidentally.

[0058] Both the finished product unloading mechanism 50 and the defective product unloading mechanism 51 include: a fixed bracket 521; mounting blocks 522 arranged in a stepped shape, symmetrically distributed on both sides of the top wall of the fixed bracket 521, with a mounting cavity 523 formed between two adjacent mounting blocks 522; and several guide rollers 524, equidistantly distributed in the mounting cavity 523 and movably connected to the side wall of the mounting blocks 522, the guide rollers 524 being used to move the product to the outside of the device.

[0059] like Figure 1 and Figure 5 As shown, several guide rollers 524 are equidistantly distributed within the mounting cavity 523. Their rotation drives a moving plate to move along the opening of the mounting cavity 523, ensuring smooth movement of products to the outside of the device for packaging or rework. Furthermore, the stepped mounting blocks 522 ensure the structural stability of the mounting cavity 523. During the rotation of the guide rollers, the transfer plate 20 can precisely abut against the side walls of two mounting blocks 522, providing a smooth movement path for the products and reducing jamming or blockage during movement, effectively improving material unloading efficiency. It should be noted that the finished product unloading mechanism 50 and the defective product unloading mechanism 51 have the same overall structure; the difference lies in the direction in which the guide rollers 524 roll, facilitating automated sorting and unloading.

[0060] A fixed plate 47 is symmetrically arranged on the lifting plate 40. A drive motor 48 is arranged on the fixed plate 47. The power roller 41 and the auxiliary roller 42 are equidistantly mounted on the fixed plate 47. The output end of the drive motor 48 is connected to the rotating shaft on the power roller 41.

[0061] like Figure 4 As shown, in this embodiment, there is one power roller 41 and two auxiliary rollers 42 (the number of auxiliary rollers 42 can be adjusted according to the actual size of the transfer plate 20, and is not limited to two in this embodiment). The equidistant design of the power roller 41 and auxiliary rollers 42 ensures that the transfer plate 20 receives a uniform pushing force during movement, avoiding classification errors caused by uneven pushing force. It should be noted that the drive motor 48 in this embodiment can achieve both forward and reverse rotation, thereby driving the power roller 41 along the rotation axis. Figure 4 Rotating clockwise or counterclockwise ensures that the transfer plate 20 and the products are accurately sorted into finished and defective products under the precise rotation of the power roller 41, thus improving the stability of the device during operation.

[0062] It should be noted that the driving component 26 in this embodiment can be replaced by other driving devices such as stepper motors and servo motors.

[0063] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0064] Furthermore, in this utility model, the use of terms such as "first," "second," and "a" is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0065] In this utility model, unless otherwise explicitly specified and limited, the terms "connection," "fixing," etc., should be interpreted broadly. For example, "fixing" can mean a fixed connection, a detachable connection, or an integral part; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0066] Furthermore, the technical solutions of the various embodiments of this utility model can be combined with each other, but only if they are based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

Claims

1. A product classification device based on vision inspection, used to achieve automated product inspection and classification, characterized in that, include: The system includes a testing platform, a feeding mechanism, a lifting mechanism, a testing unit, a finished product unloading mechanism, and a defective product unloading mechanism. The feeding mechanism is mounted on the testing platform, and a transfer plate is movably mounted on the feeding mechanism. The transfer plate is used to carry the product and transfer the product from below the testing mechanism to the lifting mechanism. The detection mechanism is equipped with a detection sensor, which is located above the transfer plate and is used to detect the processing quality of the product. The lifting mechanism is located at the end of the feeding mechanism away from the detector. The lifting mechanism is provided with a lifting plate, and a power roller and an auxiliary roller are movably arranged on the lifting plate. The auxiliary roller can rotate synchronously when the product is moved by the power roller, so that the product can move in the horizontal direction. When the transfer plate pushes the inspected product onto the power roller and the auxiliary roller, the lifting plate can lift the product between the finished product unloading mechanism and the defective product unloading mechanism, so that the product can be transferred into the finished product unloading mechanism when the power roller rotates forward, and into the defective product unloading mechanism when the power roller rotates in reverse.

2. The product classification device based on visual inspection according to claim 1, characterized in that, The feeding mechanism includes: Mounting brackets are symmetrically arranged on the testing platform; Each mounting bracket is provided with a set of driving wheels and driven wheels, which are connected by a belt, and the transfer plate is movably mounted on the belt; A connecting shaft is used to connect the drive wheels on two adjacent mounting brackets to prevent the material transfer plate from tilting. A driving component is disposed on the detection platform. The output end of the driving component is connected to the drive wheel, which is used to realize the reciprocating movement of the transfer plate along the length direction of the belt.

3. A product classification device based on visual inspection according to claim 2, characterized in that, Several equally spaced support ribs are also connected between two adjacent mounting brackets to support the material transfer plate in a horizontal position.

4. A product classification device based on visual inspection according to claim 2, characterized in that, The lifting mechanism includes: A lifting cylinder is installed on the testing platform. The output end of the lifting cylinder is vertically upward and connected to the lifting plate, so that the lifting plate can drive the power roller and the auxiliary roller to move between two adjacent mounting brackets. A guide column is connected to the bottom wall of the lifting plate, and a fixed guide sleeve is installed inside the detection table. The guide column is movably inserted into the fixed guide sleeve. A buffer block is provided on the detection platform. The bottom end of the guide column is connected to a limit plate. A positioning column is provided on the limit plate. The positioning column can move and abut against the buffer block when the guide column moves.

5. A product classification device based on visual inspection according to claim 2, characterized in that, The mounting bracket is also equipped with a limiting baffle to prevent the product from falling off the transfer plate.

6. A product classification device based on visual inspection according to claim 1, characterized in that, The testing mechanism also includes columns and C-shaped plates. The columns are located on both sides of the testing platform, and the C-shaped plates are located above the testing platform and detachably connected to the top of the columns. The testing sensors are installed in the middle of the C-shaped plates.

7. A product classification device based on visual inspection according to claim 2, characterized in that, The finished product unloading mechanism and the defective product unloading mechanism are on the same straight line, and a clearance gap is formed between the finished product unloading mechanism and the defective product unloading mechanism so that the lifting plate can lift the inspected product to the top position of the clearance gap.

8. A product classification device based on visual inspection according to claim 7, characterized in that, The detection mechanism further includes a first position sensor and a second position sensor. The first position sensor is disposed on the mounting bracket and is used to detect that the product has moved above the lifting plate. An extension plate is also disposed on the mounting bracket, and the second position sensor is installed at the top of the extension plate and is used to detect whether the product has been lifted by the lifting plate to the top position of the clearance gap.

9. A product classification device based on visual inspection according to claim 7, characterized in that, Both the finished product unloading mechanism and the defective product unloading mechanism include: Fixed bracket; The mounting blocks are arranged in a stepped manner and symmetrically distributed on both sides of the top wall of the fixed bracket, with a mounting cavity formed between two adjacent mounting blocks; Several guide rollers are equidistantly distributed within the mounting cavity and movably connected to the side wall of the mounting block. The guide rollers are used to move the product to the outside of the device.

10. A product classification device based on visual inspection according to claim 1, characterized in that, The lifting plate is symmetrically provided with fixed plates, and the fixed plates are provided with drive motors. The power roller and the auxiliary roller are equidistantly mounted on the fixed plates, and the output end of the drive motor is connected to the rotating shaft on the power roller.

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