Automatic surface defect detection device for ring parts

Abstract

The present invention provides an automatic surface defect detection device suitable for annular parts, comprising a detection mechanism for transmitting and positioning the parts, wherein an industrial camera is arranged in the detection mechanism, and the industrial camera is arranged to collect images of the parts during the transmission and positioning process; a feeding mechanism for feeding the parts into the detection mechanism one by one and completing the positioning; an industrial control mechanism for communicating with the detection mechanism, the industrial camera and the feeding mechanism, and controlling each mechanism to perform part detection operations according to a preset program; the present invention can be directly connected to a production line of parts, thus saving the handling process of part detection, and at the same time, by arranging a rotating transmission component, the rotating transmission component realizes the transmission and positioning of materials during the rotation process through three-segment trajectories, and simultaneously completes the front and back image collection of the parts, thereby effectively improving the accuracy and detection efficiency of part detection.

Description

Technical Field

[0001] The invention relates to the technical field of parts detection, in particular to an automatic surface defect detection device suitable for annular parts. Background Art

[0002] During the processing, serious scratches and other appearance defects may occur on the surface of the nut, and foreign matter that cannot be cleaned may remain. Currently, the monitoring of nuts or ring parts is mostly done through Fig.10 Steps shown.

[0003] To detect appearance defects manually, each workpiece needs to be wiped and observed, and then measured, recorded and compared. The procedure is cumbersome and inefficient. Therefore, we propose an automatic surface defect detection device suitable for annular parts to solve the above problems. Summary of the invention

[0004] 1. Technical issues to be resolved

[0005] In view of the shortcomings of the prior art, the present invention provides the following technical solutions: an automatic surface defect detection device suitable for annular parts, comprising:

[0006] A detection mechanism, used for transmitting and positioning the parts, wherein the detection mechanism is provided with an industrial camera, and the industrial camera is used for collecting images of the parts during the transmission and positioning process;

[0007] The feeding mechanism is used to feed the parts into the testing mechanism one by one and complete the positioning;

[0008] An industrial control mechanism, used to communicate with the detection mechanism, the industrial camera and the feeding mechanism, and control each mechanism to perform part detection operations according to a preset program;

[0009] The detection mechanism includes a material unloading platform, a classification output component installed on the upper part of the material unloading platform, and a rotary transmission component arranged above the material unloading platform. The classification output component includes a detection platform, and the detection platform is used for placing parts during detection;

[0010] The rotary transmission component includes a locking cam, a central turntable and a flip cam, the central turntable is connected to a driving motor via a rotating shaft, the flip cam is arranged outside the rotating shaft, the locking cam is arranged outside the flip cam, a flip speed-changing mechanism is installed outside the central turntable, and a combined amplification mechanism and a locking component are arranged on the side of the flip speed-changing mechanism away from the central turntable.

[0011] As a preferred embodiment of the present invention, two sets of unloading conveyor belts are arranged inside the unloading platform, and the two sets of unloading conveyor belts are used to convey the inspected parts.

[0012] As a preferred embodiment of the present invention, the flip speed-changing mechanism includes a flip gear box, a drawer-type flip shaft, a flip push rod and a speed-changing transmission shaft are arranged inside the flip gear box, a protective shell is arranged outside the drawer-type flip shaft, one end of the drawer-type flip shaft is connected to the locking assembly, and a cylindrical gear is installed on the other end, two groups of meshing gears are arranged at intervals on the outside of the speed-changing transmission shaft, one group of the meshing gears meshes with the cylindrical gear, and the other group of the meshing gears meshes with the slide rod gears, and the slide rod gears are transmission-connected to the flip push rod.

[0013] As a preferred embodiment of the present invention, the combined amplification mechanism includes an amplification box, which is rotatably connected to a drawer-type push-pull connecting rod inside the amplification box, a drawer-type push rod is arranged at the bottom of the amplification box, one end of the drawer-type push-pull connecting rod is transmission connected to the upper part of the drawer-type push rod, and the other end of the drawer-type push-pull connecting rod is transmission connected to the outside of the protective shell.

[0014] As a preferred embodiment of the present invention, an adjusting flow channel is provided on the upper end surface of the locking cam, and a sliding rod is fixedly connected to one end of the drawer-type push rod, and the sliding rod is slidably connected inside the adjusting flow channel.

[0015] As a preferred embodiment of the present invention, a lifting groove is provided on the outside of the flip cam, and the lifting groove includes two groups of horizontal grooves with height differences, and both ends of the two groups of horizontal grooves are connected through two groups of transition grooves respectively.

[0016] As a preference of this embodiment, one end of the flip push rod is fixedly connected to an adjusting slider, and the adjusting slider is slidably connected inside the lifting slot.

[0017] As a preferred embodiment of the present invention, the loading mechanism includes a conveying platform, one side of the conveying platform is fixedly connected to the loading platform, a conveyor belt is installed on the upper part of the conveying platform, a material collecting baffle is arranged above the conveyor belt, a push rod slide is installed on the upper end surface of the loading platform, a push rod slider is slidably connected inside the push rod slide, a pressure contact slider is fixedly connected to the front end surface of the push rod slider, a driving rod is fixedly connected to one side of the push rod slider, a power disc is arranged on the side of the loading platform away from the conveying platform, the power disc is transmission-connected to a connecting rod on the side away from the loading platform, and the other end of the connecting rod is transmission-connected to the driving rod.

[0018] As a preferred embodiment of this embodiment, the classification output component also includes a servo motor, a gear installed on the output end of the servo motor, a rack meshing with the gear, and a door structure controlled by the rack, and parts unloading can be completed through the door structure.

[0019] As a preferred embodiment of the present invention, a method for automatically detecting the appearance defects of annular parts such as a shaft end self-locking nut is provided, which uses the above-mentioned shaft end self-locking nut and an automatic surface defect detection device for annular parts, and comprises the following steps:

[0020] S1: The parts processed on the assembly line are transported to the conveyor belt in the loading mechanism, the parts are transported to the loading position through the conveyor belt, and the parts are pushed into the drawer-type turning frame through the pressure contact slider;

[0021] S2: The transmission and positioning of parts during rotation are completed through the detection mechanism, which is divided into three trajectories:

[0022] The first stage is to make the product to be tested rotate around the center of the circle;

[0023] The second trajectory is the confinement motion that fixes the product to be tested;

[0024] The third trajectory is the flipping motion of the product to be inspected, and complete images are collected before and after the flipping.

[0025] S3: The industrial control unit receives the captured images and processes them to identify the qualified status of the parts;

[0026] S4: Based on the qualified parts classification, the qualified product output device and the unqualified product output device are respectively started to output the parts.

[0027] (II) Beneficial effects

[0028] The present invention provides an automatic surface defect detection device suitable for annular parts, which has the following beneficial effects:

[0029] The present invention can be directly connected to the production line of parts, saving the handling process of parts inspection. At the same time, by setting a rotating transmission component, a flip speed-changing mechanism is installed on the outside of the central turntable, and a combined amplification mechanism and a restraining component are arranged on the side of the flip speed-changing mechanism away from the central turntable. The transmission and positioning of materials in the rotation process are realized through three-segment trajectories, and the front and back images of the parts are collected at the same time, which effectively improves the accuracy and efficiency of parts inspection. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is a schematic diagram of the structure of the shaft end self-locking nut of the present invention, which is suitable for an automatic surface defect detection device for annular parts;

[0031] Figure 2 It is a schematic diagram of the top view of the structure of the shaft end self-locking nut of the present invention, which is suitable for the automatic detection device of surface defects of annular parts;

[0032] Figure 3 It is a schematic diagram of the structure of the detection mechanism of the present invention;

[0033] Figure 4 It is a schematic diagram of the structure of the rotation transmission component of the present invention;

[0034] Figure 5 It is a cross-sectional structural schematic diagram of the rotary transmission assembly of the present invention;

[0035] Figure 6 for Figure 5 A magnified view of the structure at A;

[0036] Figure 7 It is a schematic diagram of the flip cam structure of the present invention;

[0037] Figure 8 It is a schematic diagram of the structure of the feeding mechanism of the present invention;

[0038] Fig. 9 for Figure 8 A magnified view of the structure at A;

[0039] Fig.10 This is the flow chart for appearance inspection of ring parts such as nuts.

[0040] In the figure: 1 detection mechanism, 11 classification output component, 12 detection platform, 13 rotation transmission component, 1301 imprisonment cam, 1302 center turntable, 1303 flip cam, 1304 adjustment channel, 1305 drawer-type flip frame, 1306 drawer-type flip sleeve, 1307 drawer-type flip shaft, 1308 cylindrical gear, 1309 flip gear box, 1310 flip push rod, 1311 gear with slide bar, 1312 speed change transmission shaft, 1313 drawer-type push rod, 1314 drawer-type push-pull connecting rod, 14 unloading platform, 15 unloading conveyor belt, 2 feeding mechanism, 21 conveying platform, 22 material collection baffle, 23 push rod slide, 24 pressure contact slider, 25 feeding platform, 26 connecting rod, 27 power disc, 28 push rod slider, 29 driving rod, 3 industrial control mechanism. DETAILED DESCRIPTION

[0041] The embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0042] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more features. In the description of the present invention, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0043] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or mutual communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0044] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0045] The disclosure below provides many different embodiments or examples to realize different structures of the present invention. In order to simplify the disclosure of the present invention, the parts and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the present invention. In addition, the present invention can repeat reference numbers and / or reference letters in different examples, and this repetition is for the purpose of simplicity and clarity, which itself does not indicate the relationship between the various embodiments and / or settings discussed. In addition, the present invention provides various specific examples of processes and materials, but those of ordinary skill in the art can be aware of the application of other processes and / or the use of other materials.

[0046] like Figure 1-6 As shown, this embodiment provides an automatic surface defect detection device suitable for annular parts, comprising

[0047] The detection mechanism 1 is used to transmit and locate the parts. The detection mechanism 1 is provided with an industrial camera, which is used to collect images of the parts during the transmission and positioning process;

[0048] The feeding mechanism 2 is used to feed the parts one by one into the detection mechanism 1 and complete the positioning;

[0049] The industrial control mechanism 3 is used to communicate with the detection mechanism 1, the industrial camera and the feeding mechanism 2, and control each mechanism to perform part detection operations according to a preset program;

[0050] The inspection mechanism 1 includes a material unloading platform 14, a classification output component 11 installed on the upper part of the material unloading platform 14, and a rotary transmission component 13 arranged above the material unloading platform 14. The classification output component 11 includes an inspection platform 12, and the inspection platform 12 is used for placing parts during inspection;

[0051] The rotating transmission component 13 includes a locking cam 1301, a center turntable 1302 and a flip cam 1303. The center turntable 1302 is connected to a driving motor via a rotating shaft. The flip cam 1303 is arranged outside the rotating shaft. The locking cam 1301 is arranged outside the flip cam 1303. A flip speed-changing mechanism is installed outside the center turntable 1302. A combined amplification mechanism and a locking component are arranged on the side of the flip speed-changing mechanism away from the center turntable 1302.

[0052] The present invention directly connects with the parts production line through the feeding mechanism 2, so that the produced parts can be directly transported to the detection mechanism 1 through the feeding mechanism 2, thereby improving the efficiency of parts detection and reducing the handling process. At the same time, the detection mechanism 1 is used to realize the transmission and positioning of materials during the rotation process, and completes the image acquisition and defect detection of the parts in this process, effectively improving the efficiency and accuracy of the two-part detection.

[0053] Furthermore, two groups of unloading conveyor belts 15 are arranged inside the unloading platform 14, and the two groups of unloading conveyor belts 15 are used to convey the inspected parts out.

[0054] It can be understood that the two sets of unloading conveyor belts 15 are used to output qualified parts and unqualified parts respectively.

[0055] Furthermore, the flip speed-changing mechanism includes a flip gear box 1309, the interior of which is provided with a drawer-type flip shaft 1307, a flip push rod 1310 and a speed-changing transmission shaft 1312, the outside of the drawer-type flip shaft 1307 is provided with a protective shell, one end of the drawer-type flip shaft 1307 is connected to the locking assembly, and the other end is externally installed with a cylindrical gear 1308, and two groups of meshing gears are spaced apart on the outside of the speed-changing transmission shaft 1312, one group of meshing gears meshes with the cylindrical gear 1308, and the other group of meshing gears meshes with the sliding rod gear 1311, and the sliding rod gear 1311 is transmission-connected to the flip push rod 1310.

[0056] Specifically, the drawer structure can be flipped through a flip speed changing mechanism, wherein the restraining component includes a drawer-type flip frame 1305 and a drawer-type flip sleeve 1306, the drawer-type flip frame 1305 is slidably connected to the drawer-type flip sleeve 1306, and the parts are placed inside the drawer-type flip frame 1305 during detection.

[0057] Among them, a slider is provided at one end of the flip push rod 1310, and the slider is slidably connected to the lifting groove outside the flip cam 1303. When the rotating transmission component 13 rotates, the slider will change in height, so that the flip push rod 1310 will drive the slide bar gear 1311 to rotate, and the slide bar gear 1311 drives two sets of meshing gears to rotate, and the meshing gear drives the cylindrical gear 1308 to rotate, thereby rotating the flip shaft 1307 and driving the locking mechanism to rotate.

[0058] like Figure 6 As shown, the combined magnifying mechanism includes an amplifying box, which is rotatably connected to a drawer-type push-pull connecting rod 1314 inside, a drawer-type push rod 1313 is arranged at the bottom of the amplifying box, one end of the drawer-type push-pull connecting rod 1314 is transmission-connected to the upper part of the drawer-type push rod 1313, and the other end of the drawer-type push-pull connecting rod 1314 is transmission-connected to the outside of the protective shell.

[0059] Furthermore, an adjusting channel 1304 is provided on the upper end surface of the locking cam 1301 , and a sliding rod is fixedly connected to one end of the drawer-type push rod 1313 , and the sliding rod is slidably connected inside the adjusting channel 1304 .

[0060] Specifically, when the slide rod slides inside the adjusting channel 1304, the structure of the adjusting channel 1304 can amplify the lift of the flip cam 1303 when it acts, allowing the drawer push-pull cam to drive the drawer structure to perform a longer linear motion, thereby allowing the drawer-type flip frame 1305 in the locking mechanism to be completely recovered into the drawer-type flip sleeve 1306, ensuring that the detection part will not fall off due to flipping.

[0061] like Figure 7 As shown, a lifting groove is provided on the outside of the flip cam 1303, and the lifting groove includes two groups of horizontal grooves with a height difference, and the two ends of the two groups of horizontal grooves are connected through two groups of transition grooves respectively.

[0062] Furthermore, one end of the flip push rod 1310 is fixedly connected to an adjusting slider, and the adjusting slider is slidably connected inside the lifting slot.

[0063] Specifically, the flip cam 1303 adopts a cylindrical cam with a motion law of constant acceleration and constant deceleration.

[0064] In a feasible embodiment, its specific structural parameters are as follows:

[0065] Base circle radius R=190mm Maximum height h= 30 mm Static phase 0° to 150° Promotion stage 150° to 180° Maintaining Phase 180° to 330° Return stage 330° to 360°

[0066] The cam displacement equation is:

[0067] The lifting process (constant acceleration and deceleration), the time is t (0 to is the constant acceleration section, To 2 is the constant deceleration section), the lift time is ,in is the cam speed.

[0068] Constant acceleration section (0 to ):

[0069]

[0070] Where t varies from 0 to .

[0071] The return process (constant acceleration and deceleration) is similar to the lift process. The return time is also , , returning from h to 0.

[0072] Constant acceleration section (0 to ):

[0073]

[0074] Where t varies from 0 to .

[0075] Constant deceleration section ( arrive ):

[0076]

[0077] Where t is from Change to .

[0078] Trajectory equation calculation:

[0079] Parameterized equation, converting time t into angle , , transform the displacement equation s(t) into s( ).

[0080] Constant acceleration section (0 to ):

[0081]

[0082] in From 0 to ,and .

[0083] Constant deceleration section ( arrive ):

[0084]

[0085] in from Change to .

[0086] The return process is similar to the lifting process. represents the return angle, where .

[0087] Among them, by turning over the speed change mechanism and the turning cam 1303, the turning shaft 1307 can be rotated with only a small height change.

[0088] like Figure 8 and 9As shown, the feeding mechanism 2 includes a conveying platform 21, a feeding platform 25 is fixedly connected to one side of the conveying platform 21, a conveyor belt is installed on the upper part of the conveying platform 21, a material collecting baffle 22 is arranged above the conveyor belt, a push rod slide 23 is installed on the upper end surface of the feeding platform 25, a push rod slider 28 is slidably connected inside the push rod slide 23, a pressure contact slider 24 is fixedly connected to the front end surface of the push rod slider 28, a driving rod 29 is fixedly connected to one side of the push rod slider 28, a power disc 27 is arranged on the side of the feeding platform 25 away from the conveying platform 21, a connecting rod 26 is transmission-connected to the side of the power disc 27 away from the feeding platform 25, and the other end of the connecting rod 26 is transmission-connected to the driving rod 29.

[0089] The main function of the feeding mechanism 2 is to gather the parts to be tested into a horizontal strip and then position them one by one on the detection mechanism 1, and to connect with the previous parts production line to facilitate the subsequent positioning and movement of the parts.

[0090] Furthermore, the classification output component 11 also includes a servo motor, a gear installed on the output end of the servo motor, a rack meshing with the gear, and a door structure controlled by the rack, and parts unloading can be completed through the door structure.

[0091] A method for automatically detecting appearance defects of annular parts such as shaft end self-locking nuts, using the shaft end self-locking nuts and an automatic surface defect detection device for annular parts, comprising the following steps:

[0092] S1: conveying the parts processed on the assembly line to the conveyor belt in the loading mechanism 2, conveying the parts to the loading position through the conveyor belt, and pushing the parts into the drawer-type turning frame 1305 through the pressure contact slider 24;

[0093] S2: The transmission and positioning of the parts during the rotation process are completed through the detection mechanism 1, which is divided into three trajectories:

[0094] The first stage is to make the product to be tested rotate around the center of the circle;

[0095] The second trajectory is the confinement motion that fixes the product to be tested;

[0096] The third trajectory is the flipping motion of the product to be inspected, and complete images are collected before and after the flipping.

[0097] When the industrial camera collects images of parts, the industrial control unit 3 sets program code control.

[0098] In the second trajectory, the combined amplification mechanism works and the product to be tested is placed inside the confinement mechanism.

[0099] S3: The industrial control unit 3 receives the captured images, processes the captured images, and identifies the qualified status of the parts;

[0100] When processing the captured image, the Sobel operator is used to calculate the image gradient amplitude and direction. This method can suppress non-maximum values ​​along the gradient direction and retain the local maximum value on the edge. The classic Canny algorithm is used for edge detection. The steps include Gaussian smoothing. The image is smoothed by a Gaussian filter and noise is removed. The noise removal step is mainly performed by program code.

[0101] S4: Based on the qualified parts classification, the qualified product output device and the unqualified product output device are respectively started to output the parts.

[0102] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic surface defect detection device suitable for annular parts, characterized in that: include A detection mechanism (1) is used to transfer and position the parts, wherein the detection mechanism (1) is provided with an industrial camera, and the industrial camera is used to capture an image of the parts during the transfer and positioning process; A feeding mechanism (2) is used to feed the parts one by one into the detection mechanism (1) and complete the positioning; An industrial control mechanism (3) is used to communicate with the detection mechanism (1), the industrial camera and the feeding mechanism (2), and control each mechanism to perform a parts detection operation according to a preset program; The detection mechanism (1) comprises a material unloading platform (14), a classification output component (11) installed on the upper part of the material unloading platform (14), and a rotary transmission component (13) arranged above the material unloading platform (14); the classification output component (11) comprises a detection platform (12); the detection platform (12) is used for placing parts during detection; The rotation transmission component (13) comprises a locking cam (1301), a central rotating disk (1302) and a flip cam (1303); the central rotating disk (1302) is connected to a driving motor via a rotating shaft; the flip cam (1303) is arranged outside the rotating shaft; the locking cam (1301) is arranged outside the flip cam (1303); a flip speed-changing mechanism is installed outside the central rotating disk (1302); a combined amplification mechanism and a locking component are arranged on a side of the flip speed-changing mechanism away from the central rotating disk (1302); The flip speed-changing mechanism comprises a flip gear box (1309), wherein a drawer-type flip shaft (1307), a flip push rod (1310) and a speed-changing transmission shaft (1312) are arranged inside the flip gear box (1309), wherein a protective shell is arranged outside the drawer-type flip shaft (1307), wherein one end of the drawer-type flip shaft (1307) is connected to a locking assembly, and a cylindrical gear (1308) is installed outside the other end, and two groups of meshing gears are arranged outside the speed-changing transmission shaft (1312) at intervals, wherein one group of the meshing gears meshes with the cylindrical gear (1308), and the other group of the meshing gears meshes with a sliding rod gear (1311), and the sliding rod gear (1311) is in driving connection with the flip push rod (1310); The flip cam (1303) is provided with a lifting groove on the outside, the lifting groove comprising two groups of horizontal grooves with a height difference, and the two ends of the two groups of horizontal grooves are connected through two groups of transition grooves respectively; One end of the flip push rod (1310) is fixedly connected to an adjustment slider, and the adjustment slider is slidably connected inside the lifting slot.

2. The automatic surface defect detection device for annular parts according to claim 1, characterized in that: Two sets of unloading conveyor belts (15) are arranged inside the unloading platform (14), and the two sets of unloading conveyor belts (15) are used to convey the inspected parts.

3. The automatic surface defect detection device for annular parts according to claim 1 is characterized in that: The combined magnifying mechanism comprises a magnifying box, wherein a drawer-type push-pull connecting rod (1314) is rotatably connected inside the magnifying box, a drawer-type push rod (1313) is arranged at the bottom of the magnifying box, one end of the drawer-type push-pull connecting rod (1314) is transmission-connected to the upper part of the drawer-type push rod (1313), and the other end of the drawer-type push-pull connecting rod (1314) is transmission-connected to the outside of the protective shell.

4. The automatic surface defect detection device for annular parts according to claim 3 is characterized in that: The upper end surface of the locking cam (1301) is provided with an adjusting flow channel (1304), and one end of the drawer-type push rod (1313) is fixedly connected to a sliding rod, and the sliding rod is slidably connected inside the adjusting flow channel (1304).

5. The automatic surface defect detection device for annular parts according to claim 1 is characterized in that: The feeding mechanism (2) comprises a conveying platform (21), one side of the conveying platform (21) is fixedly connected to a feeding platform (25), a conveyor belt is installed on the top of the conveying platform (21), a material collecting baffle (22) is arranged above the conveyor belt, a push rod slideway (23) is installed on the upper end surface of the feeding platform (25), a push rod slider (28) is slidably connected inside the push rod slideway (23), a pressure contact slider (24) is fixedly connected to the front end surface of the push rod slider (28), one side of the push rod slider (28) is fixedly connected to a driving rod (29), a power disc (27) is arranged on the side of the feeding platform (25) away from the conveying platform (21), a connecting rod (26) is drivingly connected to the side of the power disc (27) away from the feeding platform (25), and the other end of the connecting rod (26) is drivingly connected to the driving rod (29).

6. The automatic surface defect detection device for annular parts according to claim 1, characterized in that: The classification output component (11) further comprises a servo motor, a gear mounted on an output end of the servo motor, a rack meshing with the gear, and a door structure controlled by the rack, and parts unloading can be completed through the door structure.

Images