Product appearance inspection device

Abstract

The application relates to a product appearance detection device, which comprises a feeding mechanism, a detection mechanism, a positioning mechanism and a discharging mechanism. The feeding mechanism has a feeding end. The detection mechanism and the positioning mechanism are arranged on a detection station. The positioning mechanism is used for clamping a product when the product is conveyed by the feeding mechanism to the detection station, and driving the product to rotate around the central axis of the product, so that the detection mechanism detects the outer circumferential surface of the product. The appearance of the outer circumferential surface of the product can be automatically detected by the detection mechanism in sequence, so that manual detection can be replaced, the cumbersome angle transformation process is omitted, the detection efficiency and the detection quality are improved, the discharging mechanism is arranged in parallel with the feeding mechanism, the discharging end and the feeding end are located on the same side, so that when multiple products need to be detected, an operator can conveniently operate to feed and discharge the products. Labor intensity can be reduced, the automation degree can be improved, and the existing large-scale detection demand can be met.

Description

Technical Field

[0001] This application relates to the field of visual inspection technology, and in particular to a product appearance inspection device. Background Technology

[0002] An electric motor is an electrical energy conversion device that converts electrical energy into mechanical energy. As a driving source, electric motors have a wide range of applications, mainly in structures that require movement. In short, the emergence of electric motors has brought about a qualitative improvement in industrial development and people's lives. As the core of power transmission, the processing and production of electric motors require strict control, among which the appearance inspection of electric motors is an important link.

[0003] Existing motor testing equipment generally tests the strength and other performance characteristics of motors. However, existing technologies have limited coverage for the appearance inspection of columnar products such as motors. Furthermore, the appearance inspection of motors is a tedious process that requires constantly adjusting the angle of the motor to ensure that all circumferential areas are within the inspection range. Currently, most on-site inspections are conducted manually, which results in low inspection efficiency and lax quality control. Moreover, when multiple motor products need to be inspected, it is inconvenient to load and unload the products, failing to meet the requirements for large-scale testing. Utility Model Content

[0004] Therefore, it is necessary to address the problem that the current technology for visual inspection of columnar products such as motors relies on manual inspection, which suffers from low inspection efficiency, poor quality control, and inconvenience in loading and unloading products. A product appearance inspection device should be provided to replace manual inspection, eliminating the cumbersome angle-changing process, thereby improving inspection efficiency and meeting the current large-scale inspection needs.

[0005] According to one aspect of this application, a product appearance inspection device is provided, comprising:

[0006] A feeding mechanism having a feeding end, the feeding mechanism being used to convey products from the feeding end along a first horizontal direction;

[0007] The detection mechanism and the positioning mechanism are both set on a detection station. The positioning mechanism is used to clamp the product when the feeding mechanism conveys the product to the detection station and drive the product to rotate around its own central axis so that the detection mechanism can detect the outer peripheral surface of the product.

[0008] The unloading mechanism is arranged parallel to the loading mechanism in a second horizontal direction perpendicular to the first horizontal direction and has an unloading end. The unloading mechanism is used to transport the inspected product to the unloading end in a direction opposite to the conveying direction of the loading mechanism, so that the unloading end is located on the same side as the loading end in the first horizontal direction.

[0009] In one embodiment, the feeding mechanism includes two feeding conveyor lines spaced apart in the second horizontal direction, each feeding conveyor line extending along the first horizontal direction; the positioning mechanism is disposed between the two feeding conveyor lines and is capable of moving up and down in the vertical direction.

[0010] In one embodiment, the product appearance inspection device further includes a transfer mechanism having a transfer element for transferring the product to the positioning mechanism when the feeding mechanism conveys the product to the inspection station.

[0011] In one embodiment, the feeding mechanism has a first transfer end disposed opposite to the feeding end, and the unloading mechanism has a second transfer end disposed opposite to the unloading end; the first transfer end is provided with a first transfer mechanism, which is used to transfer the inspected product from the first transfer end toward the direction closer to the second transfer end.

[0012] In one embodiment, the second transfer end is provided with a second transfer mechanism, which is used to receive the product transferred from the first transfer end and transfer the product to the position of the unloading mechanism at the second transfer end.

[0013] In one embodiment, the feeding mechanism includes two feeding conveyor lines spaced apart in the second horizontal direction, each feeding conveyor line extending along the first horizontal direction, and the first transfer mechanism located between the two feeding conveyor lines and capable of moving up and down in the vertical direction;

[0014] The feeding mechanism includes two feeding conveyor lines spaced apart in the second horizontal direction. Each feeding conveyor line extends along the first horizontal direction. The second transfer mechanism is located between the two feeding conveyor lines and can also move up and down in the vertical direction.

[0015] In one embodiment, the positioning mechanism includes a support fixture, which has an active clamping seat and a driven clamping seat at opposite ends along the second horizontal direction, respectively. At least one of the active clamping seat and the driven clamping seat is movable along the second horizontal direction so that the active clamping seat and the driven clamping seat move closer to or further away from each other.

[0016] The active clamping seat is provided with a rotary drive source, and the driven clamping seat is rotatably provided with a driven shaft. When the active clamping seat and the driven clamping seat are close to each other, the rotary drive source and the driven shaft can clamp the product, and the rotary drive source can drive the product and the driven shaft to rotate together.

[0017] In one embodiment, the support fixture includes a support plate and a plurality of support seats spaced apart on the support plate, each of the support seats having a limiting groove for limiting the product in the radial direction.

[0018] In one embodiment, the driven shaft is elastically connected to the driven clamping seat via an elastic element, or the rotary drive source is elastically connected to the active clamping seat via an elastic element.

[0019] In one embodiment, the feeding mechanism has at least two, all of which are arranged sequentially in the second horizontal direction, and each feeding mechanism extends through a corresponding inspection station; the product appearance inspection device further includes a sorting mechanism arranged adjacent to the feeding end, which is capable of reciprocating along the second horizontal direction to alternately transport the product conveyed from the upstream to each of the feeding mechanisms.

[0020] The aforementioned product appearance inspection device, by setting a positioning mechanism at the inspection station, clamps the product when it arrives at the inspection station from the loading end and drives the product to rotate around its central axis. This allows the appearance of the product's outer circumference to be automatically inspected sequentially by the inspection mechanism, thus replacing manual inspection, eliminating the tedious angle-changing process, and improving inspection efficiency and quality. Furthermore, by setting a unloading mechanism parallel to the loading mechanism, the unloading mechanism transports the inspected products to the unloading end in the opposite direction to the loading mechanism's conveying direction. This ensures that the unloading end and the loading end are on the same side in the first horizontal direction, allowing for loading and unloading on the same side. This is particularly convenient when inspecting multiple products, facilitating operator input for loading and unloading, reducing labor intensity, increasing automation, and meeting the needs of large-scale inspections. Attached Figure Description

[0021] Figure 1 This is a perspective view of a product appearance inspection device provided in an embodiment of this application.

[0022] Figure 2 A partial structural diagram of a product appearance inspection device provided in an embodiment of this application. Figure 1 .

[0023] Figure 3 A partial structural diagram of a product appearance inspection device provided in an embodiment of this application. Figure 2 .

[0024] Figure 4 This is a partial top view of a product appearance inspection device provided in an embodiment of this application.

[0025] Figure 5 This is a schematic diagram of the structure of a first transfer mechanism or a second transfer mechanism provided in an embodiment of this application.

[0026] Figure 6 A partial structural diagram of a product appearance inspection device provided in an embodiment of this application. Figure 4 .

[0027] Figure 7 A partial structural diagram of a product appearance inspection device provided in an embodiment of this application. Figure 5 .

[0028] Figure 8 This is a perspective view of the positioning mechanism in a product appearance inspection device provided in an embodiment of this application.

[0029] Figure 9 for Figure 8 An enlarged schematic diagram of region A in the middle.

[0030] Explanation of reference numerals in the attached figures:

[0031] 10. Product appearance inspection device; 11. Inspection station; 100. Feeding mechanism; 101. Feeding end; 102. First transfer end; 110. Feeding conveyor line; 200. Inspection mechanism; 210. Inspection element; 300. Positioning mechanism; 310. Support fixture; 311. Support plate; 312. Support base; 320. Active clamping base; 330. Driven clamping base; 340. Translation drive cylinder; 350. Rotary drive source; 360. Driven shaft; 370. Elastic element; 400. Unloading mechanism ; 401, Unloading end; 402, Second transfer end; 410, Unloading conveyor line; 500, Machine platform; 600, Carrier; 700, First transfer mechanism; 710, Transfer conveyor line; 800, Second transfer mechanism; 900, First lifting cylinder; 1000, Material distribution mechanism; 1010, Material distribution conveyor line; 1100, Linear module; 1200, Second lifting cylinder; 1300, Transfer mechanism; 1310, Three-axis module; 1320, Transfer element; 1330, Steering drive cylinder; 20, Product. Detailed Implementation

[0032] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0033] In the description of this application, it should be understood that if terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0034] Furthermore, where the terms "first" and "second" appear, these terms are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, where the term "multiple" appears, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0035] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0036] In this application, unless otherwise expressly specified and limited, the use of descriptions such as "above" or "below" the second feature indicates that the first and second features are in direct contact or indirect contact via an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. Similarly, "below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0037] It should be noted that if an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. If an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. If so, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application are for illustrative purposes only and do not represent the only possible implementation.

[0038] One embodiment of this application provides a product appearance inspection device for performing appearance inspection on products to ensure that the products have reliable quality and prevent defective products with appearance defects from flowing into downstream processes, thereby causing greater waste.

[0039] The structure of the product appearance inspection device in this application will be described below using the motor of a car windshield wiper as an example. It is understood that in other embodiments, the product appearance inspection device of this application is not limited to inspecting only car windshield wiper motors; it can also inspect any other motors and other shaft-type products, and this is not limited here.

[0040] See Figure 1 and Figure 2 , Figure 1 This illustration shows a schematic diagram of a product appearance inspection device 10 provided in one embodiment of this application. Figure 2A partial structural schematic diagram of the product appearance inspection device 10 is shown. The product appearance inspection device 10 provided in the embodiments of this application includes a feeding mechanism 100, an inspection mechanism 200, and a positioning mechanism 300. The feeding mechanism 100 extends along a first horizontal direction (the X direction shown in the figure) and has a discharge end 401, which is used to convey a product 20 from the feeding end 101 along the first horizontal direction. The inspection mechanism 200 and the positioning mechanism 300 are both disposed on an inspection station 11. The feeding mechanism 100 can convey the product 20 through the inspection station 11. The positioning mechanism 300 is used to clamp the product 20 when the feeding mechanism 100 conveys the product 20 to the inspection station 11. The inspection mechanism 200 is used to inspect the surface appearance of the product 20. In the embodiments of this application, the product 20 is a cylindrical product 20. The positioning mechanism 300 can also drive the product 20 to rotate around its own central axis, so that the inspection mechanism 200 can sequentially inspect various parts of the outer peripheral surface of the product 20.

[0041] Further, see Figure 1 and Figure 2 The appearance inspection device also includes a feeding mechanism 400, which is arranged parallel to the feeding mechanism 100 in a second horizontal direction (Y direction shown in the figure) perpendicular to the first horizontal direction and has a feeding end 401. The feeding mechanism 400 is used to transport the inspected product 20 to the feeding end 401 in a direction opposite to the conveying direction of the feeding mechanism 100, so that the feeding end 401 and the feeding end 101 are located on the same side in the first horizontal direction. This allows the operator to perform feeding and feeding on the same side, which is convenient for the operator to perform feeding and feeding and saves labor.

[0042] Specifically, in one embodiment, the feeding mechanism 100, the detection mechanism 200, the positioning mechanism 300, and the unloading mechanism 400 are all mounted on a machine base 500. The detection mechanism 200 includes a detection element 210 mounted above the positioning mechanism 300. The detection element 210 can be a detection camera, etc., which identifies defects by taking pictures to detect the appearance of the product 20. The specific detection principle can be referred to the prior art, and will not be elaborated here. Preferably, in order to improve detection efficiency, there are several feeding mechanisms 100. In the embodiment shown in the figure, there are two feeding mechanisms 100, which are arranged sequentially in the second horizontal direction. The number of detection stations 11, positioning mechanisms 300, and detection elements 210 corresponds to the number of feeding mechanisms 100. Each feeding mechanism 100 extends through a corresponding detection station 11. Thus, when there are multiple products 20 to be tested, the multiple products 20 to be tested can be diverted to various feeding mechanisms 100, and each feeding mechanism 100 can transport the products 20 to the corresponding testing station 11 for testing, thereby greatly improving the testing efficiency.

[0043] It is understood that the number of feeding mechanisms 100 is not limited to two, but can be any number, and is not limited here. When there are multiple feeding mechanisms 100, all feeding mechanisms 100 are arranged sequentially along the second horizontal direction, and all feeding mechanisms 100 are set parallel to each other.

[0044] Furthermore, after product 20 completes testing, in order to facilitate its transfer from the loading mechanism 100 to the unloading mechanism 400, such as... Figure 2 and Figure 3 As shown, the feeding mechanism 100 has a first transfer end 102 opposite to the feeding end 101, and the unloading mechanism 400 has a second transfer end 402 opposite to the unloading end 401. The first transfer end 102 is provided with a first transfer mechanism 700, which is used to transfer the inspected product 20 from the first transfer end 102 toward the direction closer to the second transfer end 402, thereby transferring it to the unloading mechanism 400. In the figure, since there are two feeding mechanisms 100, the first transfer ends 102 of the two feeding mechanisms 100 are arranged adjacent to each other, and the first transfer end 102 of one of the feeding mechanisms 100 (i.e., the one closer to the unloading mechanism 400) is arranged adjacent to the second transfer end 402 of the unloading mechanism 400.

[0045] In a preferred embodiment, to better secure the product 20, the product 20 is placed in a carrier 600, and the carrier 600 carrying the product 20 is moved by the loading mechanism 100 and the unloading mechanism 400, thereby conveying the product 20. Thus, when the product 20 completes inspection, for the carrier 600 placed on the loading mechanism 100 near the unloading mechanism 400, the carrier 600 can be moved by the first transfer mechanism 700 located at the corresponding first transfer end 102 towards... Figure 2 The load 600 is directly transferred to the second transfer end 402 in the left direction. For the load 600 placed on the loading mechanism 100 which is far away from the unloading mechanism 400, the load 600 can be transferred to another first transfer mechanism 700 in the left direction in the figure by the first transfer mechanism 700 set at the corresponding first transfer end 102, and then transferred to the second transfer end 402 by the first transfer mechanism 700.

[0046] Furthermore, in order to facilitate the transfer of product 20 to unloading mechanism 400 at the second transfer end 402, the second transfer end 402 is also provided with a second transfer mechanism 800. The second transfer mechanism 800 is used to receive product 20 transferred from the first transfer end and transfer product 20 to the unloading mechanism 400 at the position of the second transfer end 402.

[0047] Specifically, such as Figure 4As shown in the embodiment, the feeding mechanism 100 includes two feeding conveyor lines 110 spaced apart in the second horizontal direction, each feeding conveyor line 110 extending along the first horizontal direction. For example, the feeding conveyor line 110 can be a structure such as a conveyor belt. The unloading mechanism 400 includes two unloading conveyor lines 410 spaced apart in the second horizontal direction, each unloading conveyor line 410 extending along the first horizontal direction. It can also be a structure such as a conveyor belt.

[0048] The structures of the first transfer mechanism 700 and the second transfer mechanism 800 are completely identical. Taking the structure of the first transfer mechanism 700 as an example... Figure 5 As shown, the first transfer mechanism 700 includes two transfer conveyor lines 710 spaced apart along a first horizontal direction, which are also, for example, conveyor belts. The first transfer mechanism 700 is connected to a first lifting cylinder 900, so that the first transfer mechanism 700 can move up and down in the vertical direction. Similarly, the second transfer mechanism 800 is also connected to a first lifting cylinder 900, so that the second transfer mechanism 800 can also move up and down in the vertical direction.

[0049] Thus, as Figure 2 and Figure 3 As shown, after the carrier 600 carrying product 20 arrives at the first transfer end 102, the first lifting cylinder 900 connected to the first transfer mechanism 700 lifts the first transfer mechanism 700 upwards, and the first lifting mechanism connected to the second transfer mechanism 800 lifts the second transfer mechanism 800, so that product 20 carrying carrier 600 can be transferred from the first transfer mechanism 700 to the second transfer mechanism 800. Then, the first lifting mechanism connected to the second transfer mechanism 800 drives the second transfer mechanism 800 to descend, placing the carrier 600 carrying product 20 onto the unloading mechanism 400. Then, the first lifting mechanism connected to the second transfer mechanism 800 lifts the second transfer mechanism 800 again. 0, so as to be ready to receive the product 20 transferred from the first transfer mechanism 700 at any time; and among the two first transfer mechanisms 700 shown in the figure, for the first transfer mechanism 700 closer to the unloading mechanism 400, after sending the product 20 away, the first transfer mechanism 700 stops at the lifting position to receive the product 20 transferred from the other first transfer mechanism 700, or lowers to wait to receive the product 20 conveyed by the corresponding loading mechanism 100; for the other first transfer mechanism 700 farther away from the unloading mechanism 400, the first transfer mechanism 700 needs to immediately lower after sending the product 20 away to wait to receive the product 20 conveyed by the corresponding loading mechanism 100.

[0050] It is understood that the first transfer mechanism 700 is not limited to being located between the two feeding conveyor lines 110, but can also be located downstream of the feeding mechanism 100. Similarly, the second transfer mechanism 800 is not limited to being located between the two unloading conveyor lines 410, but can also be located upstream of the unloading mechanism 400. Furthermore, the structures of the first transfer mechanism 700 and the second transfer mechanism 800 are not limited to the structures shown in the figure, as long as they can transfer the carrier 600 or the product 20, they are not limited here.

[0051] Furthermore, when there are two or more feeding mechanisms 100, in order to automatically transport the product 20 from the upstream to each feeding mechanism 100, as an improvement to the above embodiment, the product appearance inspection device 10 also includes a sorting mechanism 1000 disposed adjacent to the feeding end 101. The sorting mechanism 1000 is connected to a linear module 1100 extending along a second horizontal direction. Driven by the linear module 1100, the sorting mechanism 1000 can reciprocate in the second horizontal direction to alternately transport the carrier 600 or product 20 from the upstream to each feeding mechanism 100. The structure of the sorting mechanism 1000 is similar to that of the feeding mechanism 100, including two sorting conveyor lines 1010 spaced apart along the second horizontal direction. The sorting conveyor lines 1010 can also be structures such as conveyor belts, which will not be described in detail here.

[0052] Please continue reading. Figure 4 To save space occupied by the product appearance inspection device 10, in a preferred embodiment, the positioning mechanism 300 is arranged between two feeding conveyor lines 110, and the positioning mechanism 300 is connected to a second lifting cylinder 1200. The second lifting cylinder 1200 can drive the positioning mechanism 300 to rise and fall. When it is necessary to clamp the product 20, the second lifting cylinder 1200 drives the positioning mechanism 300 to rise and protrude from the feeding conveyor line 110. After the product 20 is inspected, the second lifting cylinder 1200 drives the positioning mechanism 300 to fall below the feeding conveyor line 110, so that the carrier 600 can carry the product 20 to continue to the first transfer end 102. Furthermore, by setting the second driving cylinder to drive the positioning mechanism 300 to rise and fall, the inspection requirements of products 20 at different heights can also be met.

[0053] Furthermore, in order to transfer product 20 from carrier 600 to positioning mechanism 300 before inspection, or to transfer product 20 back from positioning mechanism 300 to carrier 600 after inspection, such as Figure 1 As shown, the appearance device of product 20 also includes a transfer mechanism 1300, which is mounted on the machine base 500, and as... Figure 6 and Figure 7As shown, the transfer mechanism 1300 includes a three-axis module 1310 and a transfer element 1320 connected to the three-axis module 1310. The transfer element 1320 can be a gripper that can move in any direction in three-dimensional space, thereby transferring the product 20. The three-axis module 1310 has a common structure, which can be found in existing technology and will not be described in detail here. However, it is worth noting that in the embodiment shown in the figure, when product 20 is placed on carrier 600, the central axis of product 20 extends along the second horizontal direction. In order to make full use of the space in the first horizontal direction and save the space of the entire device in the second horizontal direction, when product 20 is placed on positioning mechanism 300, the central axis of product 20 extends along the first horizontal direction. Therefore, in order to enable product 20 to turn when transfer element 1320 grips product 20, the central axis of product 20 is switched between extending along the second horizontal direction and extending along the first horizontal direction. The three-axis module 1310 is provided with a steering drive cylinder 1330, and transfer element 1320 is connected to steering drive cylinder 1330. The steering drive cylinder 1330 drives transfer element 1320 to rotate, thereby turning product 20. It is understood that the three modules can also be replaced by robotic arms connected end to end in sequence, without any particular limitation.

[0054] For the specific structure of the positioning mechanism 300, please refer to... Figure 8 , Figure 8 A schematic diagram of the positioning mechanism 300 is shown. In the embodiment shown in the figure, the positioning mechanism 300 includes a support fixture 310. The support fixture 310 has an active clamping seat 320 and a driven clamping seat 330 at opposite ends in the second horizontal direction. At least one of the active clamping seat 320 and the driven clamping seat 330 is connected to a translation drive cylinder 340. Under the drive of the translation drive cylinder 340, the active clamping seat 320 and / or the driven clamping seat 330 can move along the second horizontal direction so that the active clamping seat 320 and the driven clamping seat 330 move closer to or further away from each other. In the embodiment shown in the figure, the drive cylinder is mounted on the support fixture 310 and connected to the active clamping seat 320. The active clamping seat 320 is provided with a rotary drive source 350, such as a motor, and the driven clamping seat 330 is rotatably provided with a driven shaft 360. When the active clamping seat 320 and the driven clamping seat 330 approach each other, the rotary drive source 350 can drive the product 20 and the driven shaft 360 to rotate together, thereby enabling the detection element 210 to perform appearance inspection on various parts of the outer peripheral surface of the product 20.

[0055] Before the rotary motor and driven shaft 360 clamp the product 20, in order to keep the product 20 in a suspended state without freeing up the hands, the support fixture 310 includes a support plate 311 and a plurality of support seats 312 spaced apart on the support plate 311. Each support seat 312 has a limiting groove for limiting the product 20 in the radial direction, so that when the product 20 is attached to the support seat 312, the product 20 is limited in its own radial direction and can be suspended relative to the support plate 311 without the need for the operator to support it, thereby reducing manual intervention.

[0056] Furthermore, more preferably, such as Figure 9 As shown, the driven shaft 360 is connected to the driven clamping seat 330 via an elastic element 370, such as a spring, so that the elastic element 370 can undergo recoverable deformation when the driven shaft 360 abuts against the end of the product 20. Therefore, the contact between the driven shaft 360 and the end of the product 20 is flexible, thereby preventing damage to the product 20. Of course, the rotary drive source 350 can also be connected to the active clamping seat 320 via the elastic element 370, which is not limited here.

[0057] It should be noted that the positioning mechanism 300 is not limited to being arranged between the two feeding conveyor lines 110. In other embodiments, the active clamping seat 320 and the driven clamping seat 330 may also be arranged on opposite sides of the feeding mechanism 100 along the second horizontal direction, which is not limited here.

[0058] The product appearance inspection device 10 provided in this application has the following working process: First, the product 20 is loaded onto the carrier 600 placed in the loading mechanism 100. The loading mechanism 100 then transports the product 20 to a position close to the inspection station 11 and stops. Then, the transfer element 1320 is used to transfer the product 20 from the carrier 600 onto the support fixture 310 of the positioning mechanism 300. The rotary drive cylinder and the driven shaft 360 move closer to each other and clamp the product 20 together. Then, the rotary drive cylinder drives the product 20 and the driven shaft 360 to move closer together. 0 rotation, detection element 210 is used for detection; after detection, transfer element 1320 places product 20 on carrier 600, positioning mechanism 300 descends to avoid carrier 600, loading mechanism 100 transports product 20 to first transfer end 102, first transfer mechanism 700 and second transfer mechanism 800 transfer carrier 600 to unloading mechanism 400 located at second transfer end 402; finally unloading mechanism 400 transports carrier 600 carrying product 20 to unloading end 401 for unloading. When there are two or more feeding mechanisms 100 and inspection stations 11, the sorting mechanism 1000 can be used to alternately transport the product 20 to different feeding mechanisms 100. Since the materials arrive in sequence, the feeding mechanism 100 that carries the product 20 first will transport the product 20 to a position close to the inspection station 11. The transfer mechanism 1300 will first grab the product 20 and place it to the corresponding inspection station 11 for inspection. The product 20 that is inspected first will be transferred away for unloading. During the inspection process, the transfer element 1320 can grab the product 20 that has been transported to another feeding mechanism 100 and place it close to the inspection station 11, thereby making full use of time and greatly improving inspection efficiency when there are multiple products 20 to be inspected.

[0059] Therefore, the product appearance inspection device 10 provided in this application, by having the positioning mechanism 300 clamp the product 20 and drive the product 20 to rotate around its own central axis, allows the appearance of the outer peripheral surface of the product 20 to be automatically inspected by the inspection mechanism 200 in sequence, thereby replacing manual inspection, eliminating the cumbersome angle change process, and achieving the purpose of improving inspection efficiency and inspection quality; moreover, the loading end 101 and the unloading end 401 are located on the same side in the first horizontal direction, which can facilitate the operation of operators to load and unload materials, not only reducing labor intensity and saving manpower, but also improving the degree of automation and meeting the needs of existing large-scale inspection; furthermore, by setting up multiple loading mechanisms 100 and inspection stations 11, as well as setting up a material distribution mechanism 1000, the degree of automation of the device can be greatly improved, and the inspection efficiency can be further improved.

[0060] 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.

[0061] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A product appearance inspection device, characterized in that, include: A feeding mechanism (100) has a feeding end (101) for conveying products (20) from the feeding end (101) along a first horizontal direction; The detection mechanism (200) and the positioning mechanism (300) are both set on a detection station (11). The positioning mechanism (300) is used to clamp the product (20) when the feeding mechanism (100) conveys the product (20) to the detection station (11) and drive the product (20) to rotate around its own central axis so that the detection mechanism (200) can detect the outer peripheral surface of the product (20). The unloading mechanism (400) is arranged parallel to the loading mechanism (100) in a second horizontal direction perpendicular to the first horizontal direction and has an unloading end (401). The unloading mechanism (400) is used to transport the product (20) after inspection to the unloading end (401) in a direction opposite to the conveying direction of the loading mechanism (100) so that the unloading end (401) is located on the same side as the loading end (101) in the first horizontal direction.

2. The product appearance inspection device according to claim 1, characterized in that, The feeding mechanism (100) includes two feeding conveyor lines (110) spaced apart in the second horizontal direction, each of the feeding conveyor lines (110) extending along the first horizontal direction; the positioning mechanism (300) is disposed between the two feeding conveyor lines (110) and is capable of moving up and down in the vertical direction.

3. The product appearance inspection device according to claim 2, characterized in that, The product appearance inspection device (10) further includes a transfer mechanism (1300), which has a transfer element (1320) for transferring the product (20) to the positioning mechanism (300) when the feeding mechanism (100) transports the product (20) to the inspection station (11).

4. The product appearance inspection device according to claim 1, characterized in that, The feeding mechanism (100) has a first transfer end (102) disposed opposite to the feeding end (101), and the unloading mechanism (400) has a second transfer end (402) disposed opposite to the unloading end (401); the first transfer end (102) is provided with a first transfer mechanism (700), which is used to transfer the inspected product (20) from the first transfer end (102) toward the direction closer to the second transfer end (402).

5. The product appearance inspection device according to claim 4, characterized in that, The second transfer end (402) is provided with a second transfer mechanism (800), which is used to receive the product (20) transferred from the first transfer end (102) and transfer the product (20) to the position of the unloading mechanism (400) at the second transfer end (402).

6. The product appearance inspection device according to claim 5, characterized in that, The feeding mechanism (100) includes two feeding conveyor lines (110) spaced apart in the second horizontal direction. Each feeding conveyor line (110) extends along the first horizontal direction. The first transfer mechanism (700) is located between the two feeding conveyor lines (110) and can move up and down in the vertical direction. The feeding mechanism (400) includes two feeding conveyor lines (410) spaced apart in the second horizontal direction. Each feeding conveyor line (410) extends along the first horizontal direction. The second transfer mechanism (800) is located between the two feeding conveyor lines (410) and can also move up and down in the vertical direction.

7. The product appearance inspection device according to any one of claims 1-4, characterized in that, The positioning mechanism (300) includes a support fixture (310), which has an active clamping seat (320) and a driven clamping seat (330) at opposite ends along the second horizontal direction. At least one of the active clamping seat (320) and the driven clamping seat (330) can move along the second horizontal direction so that the active clamping seat (320) and the driven clamping seat (330) move closer to or further away from each other. The active clamping seat (320) is provided with a rotary drive source (350), and the driven clamping seat (330) is rotatably provided with a driven shaft (360). When the active clamping seat (320) and the driven clamping seat (330) are close to each other, the rotary drive source (350) and the driven shaft (360) can clamp the product (20), and the rotary drive source (350) can drive the product (20) and the driven shaft (360) to rotate together.

8. The product appearance inspection device according to claim 7, characterized in that, The support fixture (310) includes a support plate (311) and a plurality of support seats (312) spaced apart on the support plate (311). Each support seat (312) has a limiting groove for limiting the product (20) in the radial direction.

9. The product appearance inspection device according to claim 7, characterized in that, The driven shaft (360) is elastically connected to the driven clamping seat (330) via an elastic element (370), or the rotary drive source (350) is elastically connected to the active clamping seat (320) via an elastic element (370).

10. The product appearance inspection device according to any one of claims 1-4, characterized in that, The feeding mechanism (100) has at least two, and all the feeding mechanisms (100) are arranged sequentially in the second horizontal direction. Each feeding mechanism (100) extends through a corresponding inspection station (11). The product appearance inspection device (10) also includes a sorting mechanism (1000) arranged adjacent to the feeding end (101). The sorting mechanism (1000) can move back and forth along the second horizontal direction to alternately transport the product (20) conveyed from the upstream to each feeding mechanism (100).

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