Bergamot pear defect detection device

Abstract

The utility model discloses a bergamot pear defect detection device, which relates to the technical field of fruit defect detection and comprises a conveying frame, a conveying assembly is arranged on the conveying frame, supporting and placing assemblies are arranged on the conveying assembly at equal intervals, a detection assembly is arranged in the middle of the conveying frame, and the detection assembly is positioned right above the conveying assembly. The conveying chain is driven by the first motor to rotate, bergamot pears in the supporting box are conveyed along with rotation of the conveying chain, when the bergamot pears to be detected are conveyed to pass through the first rolling assembly, the bottoms of the bergamot pears are subjected to friction force of the first anti-skid lines, and the bergamot pears are prevented from falling off. When the bergamot pears are conveyed to pass through the second rolling assembly, the second motor drives the overturning plate to overturn, the bergamot pears can be driven to roll in the direction perpendicular to the conveying direction of the conveying assembly, and therefore dead-angle-free shooting detection of the bergamot pears is achieved, and the defect detection accuracy is improved.

Description

Technical Field

[0001] This utility model relates to the field of fruit defect detection technology, and more specifically, to a pear defect detection device. Background Technology

[0002] Defect detection in fragrant pears is a crucial step in the quality inspection of these pears. It aims to identify potential surface and internal defects using various technical means to ensure the quality and market value of the pears. Typically, images of the pears are captured using a camera, and then image processing and analysis algorithms are employed to identify defects. This method offers advantages such as high detection speed, strong objectivity, and good repeatability, and can detect various types of surface defects.

[0003] Existing pear defect detection devices only tumble the pears along the conveying direction during the process of transporting and photographing them. However, there are certain blind spots at both ends of the pear (i.e., the two ends perpendicular to the conveying direction), resulting in inaccurate detection results. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, this utility model provides a pear defect detection device to solve the problem that the existing pear defect detection device only rolls the pear along the conveying direction during the process of conveying the pear for photographing and detection, and there are certain blind spots at both ends of the pear, resulting in inaccurate detection results.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a pear defect detection device, including a conveyor frame, a conveying component on the conveyor frame, a support component evenly spaced on the conveying component, a detection component in the middle of the conveyor frame and located directly above the conveying component, a support plate fixedly installed on the inner side of the conveyor frame, and a first tumbling component and a second tumbling component sequentially arranged on the top surface of the support plate along the conveying direction. The first tumbling component can drive the pear to flip parallel to the conveying direction, and the second tumbling component can drive the pear to flip perpendicular to the conveying direction.

[0006] Preferably, the first tumbling assembly includes a plurality of slide rods arranged in a straight line evenly along the conveying direction. The slide rods are vertically slidably inserted into the support plate. A spring is provided between the slide rod and the support plate. A friction plate is fixedly installed on the top of the slide rod. The top surface of the friction plate is provided with anti-slip texture.

[0007] Preferably, the anti-slip pattern is composed of multiple greater than sign shaped patterns evenly arranged, and both the friction plate and the anti-slip pattern are made of rubber material.

[0008] Preferably, the second tumbling assembly includes a shaft frame, which is fixedly mounted on a support plate. A tumbling roller is rotatably connected to the shaft frame. A second motor is also fixedly mounted on the support plate. The output end of the second motor is fixedly connected to one end of the tumbling roller. A plurality of tumbling plates are evenly arranged on the outer surface of the tumbling roller, and anti-slip textures are evenly distributed on the surface of the tumbling plates.

[0009] Preferably, both the flip plate and the anti-slip texture are made of rubber material, and the width of the flip plate is 1-3cm.

[0010] Preferably, the conveying assembly includes a motor, which is fixedly installed on the outside of the conveying frame. The left and right sides of the conveying frame are respectively rotatably connected to axle 1 and axle 2, which are parallel to each other. The output end of the motor is fixedly connected to one end of axle 1. Two sprockets are fixedly installed on axle 1, and two sprockets are fixedly installed on axle 2. Two conveying chains are meshed between the two sprockets 1 and the two sprockets 2.

[0011] Preferably, the placement assembly includes a buckle, which is fixedly installed at equal intervals on the conveyor chain. A placement box is fixedly connected between two conveyor chains via the buckle, and a plurality of ball bearings are evenly arranged on the inner side of the placement box.

[0012] Preferably, the tray has a circular structure, the inner ring of the tray is beveled, and the opening faces upward.

[0013] Preferably, the detection component includes a detection box, which is fixedly installed in the middle of the conveyor frame. Lighting lamps are provided on both sides of the top of the inner cavity of the detection box. A camera is provided on the top of the inner cavity of the detection box and is located above the support component. Light-blocking curtains are provided at the inlet and outlet of the detection box.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] This invention uses a motor to drive a conveyor chain to rotate, causing the pears in the tray to be transported along with the chain. When the pears to be inspected pass through the first tumbling assembly, the bottom of the pears is subjected to friction from the anti-slip texture, causing the pears to tumble along the conveying direction of the conveyor assembly. When the pears pass through the second tumbling assembly, the motor drives the flipping plate to rotate, causing the pears to tumble perpendicular to the conveying direction of the conveyor assembly. This allows for comprehensive inspection of the pears without blind spots, improving the accuracy of defect detection.

[0016] This invention, through the setting of a sliding rod and a spring, allows the friction plate and anti-slip texture to correspond and adapt to a certain extent, so as to ensure that they are in full contact with the bottom of the pear.

[0017] This invention, through the design of the conveying and placing components, ensures sufficient space between the pears, avoiding blind spots in the shooting and detection caused by the small distance between the pears, and ensuring accurate shooting and easy identification.

[0018] This invention reduces wear and tear on the pears during tumbling by using ball bearings, thus preventing damage to the pear's surface. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0020] Figure 2 This is a front view of the main structure of this utility model;

[0021] Figure 3 This is a top view of the relevant structure of the conveying component of this utility model;

[0022] Figure 4 This is a schematic diagram of the support component structure of this utility model;

[0023] Figure 5 This is a schematic diagram of the first tumbling component structure of this utility model;

[0024] Figure 6 This is a schematic diagram of the second tumbling component of this utility model.

[0025] [Figure Labels]

[0026] 1. Conveyor frame; 2. Conveyor assembly; 21. Motor 1; 22. Axle 1; 23. Axle 2; 24. Sprocket 1; 25. Sprocket 2; 26. Conveyor chain; 3. Placement assembly; 31. Buckle; 32. Placement box; 33. Ball bearing; 4. Detection assembly; 41. Detection box; 42. Lighting lamp; 43. Camera; 44. Blackout curtain; 5. Support plate; 6. First tumbling assembly; 61. Slide rod; 62. Spring; 63. Friction plate; 64. Anti-slip texture 1; 7. Second tumbling assembly; 71. Shaft frame; 72. Tilting roller; 73. Motor 2; 74. Tilting plate; 75. Anti-slip texture 2. Detailed Implementation

[0027] To make the technical problems, technical solutions and advantages of this utility model clearer, a detailed description will be given below in conjunction with the accompanying drawings and specific embodiments.

[0028] As attached Figure 1 To be continued Figure 6This utility model provides a pear defect detection device, including a conveyor frame 1, a conveyor assembly 2 on the conveyor frame 1, and a support assembly 3 evenly spaced on the conveyor assembly 2. A detection assembly 4 is located in the middle of the conveyor frame 1 and is located directly above the conveyor assembly 2. A support plate 5 is fixedly installed on the inner side of the conveyor frame 1. A first tumbling assembly 6 and a second tumbling assembly 7 are sequentially arranged on the top surface of the support plate 5 along the conveying direction. The first tumbling assembly 6 can drive the pear to flip over parallel to the conveying direction, and the second tumbling assembly 7 can drive the pear to flip over perpendicular to the conveying direction.

[0029] Preferably, the first tumbling assembly 6 includes a plurality of slide rods 61 arranged in a straight line evenly along the conveying direction. The slide rods 61 are vertically slidably inserted into the support plate 5. A spring 62 is provided between the slide rods 61 and the support plate 5. A friction plate 63 is fixedly installed on the top of the slide rods 61. The top surface of the friction plate 63 is provided with anti-slip texture 64.

[0030] When the pear to be tested is conveyed through the first tumbling assembly 6, the pear and the anti-slip pattern 64 on the friction plate 63 are relatively displaced. During this process, the bottom of the pear is subjected to the friction force of the anti-slip pattern 64, which causes the pear to tumble along the conveying direction of the conveying assembly 2, and cooperates with the detection assembly 4 to take pictures and detect.

[0031] Since the exposed bottom portion of pears varies in size, the friction plate 63 and anti-slip texture 64 can be matched to a certain extent by the sliding rod 61 and spring 62 to ensure full contact with the bottom of the pear.

[0032] Preferably, the anti-slip texture 64 is composed of multiple greater than sign shaped textures evenly arranged, which facilitates the friction and rolling of the pear. Both the friction plate 63 and the anti-slip texture 64 are made of rubber material, which utilizes the flexibility of rubber to avoid damaging the pear.

[0033] Preferably, the second tumbling assembly 7 includes a shaft frame 71, which is fixedly mounted on the support plate 5. A tumbling roller 72 is rotatably connected to the shaft frame 71. A second motor 73 is also fixedly mounted on the support plate 5. The output end of the second motor 73 is fixedly connected to one end of the tumbling roller 72. A plurality of tumbling plates 74 are evenly arranged on the outer surface of the tumbling roller 72. Anti-slip textures 75 are evenly distributed on the surface of the tumbling plates 74.

[0034] When the pears are conveyed through the second tumbling assembly 7, the motor 2 73 drives the tumbling roller 72 to rotate, which in turn causes the tumbling plate 74 to tumble. During this process, the bottom of the pears is subjected to the friction of the tumbling plate 74 and the anti-slip texture 2 75, which causes the pears to tumble perpendicular to the conveying direction of the conveying assembly 2, and cooperates with the detection assembly 4 to take pictures and detect.

[0035] Preferably, both the flip plate 74 and the anti-slip texture 75 are made of rubber material, which also serves to prevent damage to the pears. The width of the flip plate 74 is 1-3cm.

[0036] Preferably, the conveying assembly 2 includes a motor 21, which is fixedly installed on the outside of the conveying frame 1. The left and right sides of the conveying frame 1 are respectively rotatably connected to axle 22 and axle 23, which are parallel to each other. The output end of the motor 21 is fixedly connected to one end of axle 22. Two sprockets 24 are fixedly installed on axle 22, and two sprockets 25 are fixedly installed on axle 23. Two conveying chains 26 are meshed between the two sprockets 24 and the two sprockets 25.

[0037] Preferably, the placement component 3 includes a buckle 31, which is fixedly installed on the conveyor chain 26 at equal intervals. A placement box 32 is fixedly connected between the two conveyor chains 26 through the buckle 31. A plurality of balls 33 are evenly arranged on the inner side of the placement box 32.

[0038] Preferably, the tray 32 has a circular structure, the inner ring of the tray 32 is beveled, and the opening faces upward.

[0039] The placement box 32 is used to hold pears. The motor 21 drives the axle 22 to rotate, and the sprocket 24 engages with the conveyor chain 26, which in turn drives the axle 23 and the sprocket 25 to rotate. Thus, the pears in the placement box 32 can be conveyed as the conveyor chain 26 rotates. In addition, the ball bearings 33 reduce the wear between the pears and the placement box 32 when the first tumbling assembly 6 and the second tumbling assembly 7 tumble the pears.

[0040] Preferably, the detection component 4 includes a detection box 41, which is fixedly installed in the middle of the conveyor frame 1. Lighting lamps 42 are provided on both sides of the top of the inner cavity of the detection box 41. A camera 43 is provided on the top of the inner cavity of the detection box 41 and is located above the support component 3. A light-blocking curtain 44 is provided at the inlet and outlet of the detection box 41.

[0041] The detection box 41 and the light-blocking curtain 44 can block interference from external light sources and other factors. The control system controls the camera 43 to take pictures continuously and extract them. The extracted feature parameters are compared and matched with a pre-established defect sample library. Using pattern recognition algorithms, such as support vector machines and neural networks, the defects of the pears are classified and identified to determine whether the pears have defects and the type and severity of the defects.

[0042] The working process of this utility model is as follows:

[0043] During the defect detection of fragrant pears, the conveyor chain 26 is driven to rotate by motor 21, so that the fragrant pears in the tray 32 are conveyed with the rotation of the conveyor chain 26. When the fragrant pear to be detected passes through the first tumbling assembly 6, the bottom of the fragrant pear is subjected to the friction of the anti-slip texture 64, thereby causing the fragrant pear to tumble along the conveying direction of the conveyor assembly 2. When the fragrant pear passes through the second tumbling assembly 7, the flipping plate 74 is flipped by motor 73, which can cause the fragrant pear to tumble perpendicular to the conveying direction of the conveyor assembly 2. During the above process, the camera 43 continuously captures and detects.

[0044] Finally, the following points should be noted: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection", and "linkage" should be interpreted broadly, and can be mechanical or electrical connections, or internal connections between two components, or direct connections. "Up", "down", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may change.

[0045] Secondly: The accompanying drawings of the embodiments disclosed in this utility model only involve the structures involved in the embodiments disclosed in this utility model. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this utility model can be combined with each other.

[0046] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A defect detection device for fragrant pears, characterized in that, The system includes a conveyor frame (1), on which a conveyor assembly (2) is provided. On the conveyor assembly (2), there are support assemblies (3) at equal intervals. A detection assembly (4) is provided in the middle of the conveyor frame (1), and the detection assembly (4) is located directly above the conveyor assembly (2). A support plate (5) is fixedly installed on the inner side of the conveyor frame (1). A first tumbling assembly (6) and a second tumbling assembly (7) are arranged sequentially on the top surface of the support plate (5) along the conveying direction. The first tumbling assembly (6) can drive the pear to flip over parallel to the conveying direction, and the second tumbling assembly (7) can drive the pear to flip over perpendicular to the conveying direction.

2. The pear defect detection device according to claim 1, characterized in that, The first tumbling assembly (6) includes a plurality of slide rods (61) arranged in a straight line evenly along the conveying direction. The slide rods (61) are vertically slidably inserted into the support plate (5). A spring (62) is provided between the slide rods (61) and the support plate (5). A friction plate (63) is fixedly installed on the top of the slide rods (61). The top surface of the friction plate (63) is provided with anti-slip texture (64).

3. The pear defect detection device according to claim 2, characterized in that, The anti-slip texture 1 (64) is composed of multiple greater than sign shaped textures evenly arranged, and both the friction plate (63) and the anti-slip texture 1 (64) are made of rubber material.

4. The pear defect detection device according to claim 1, characterized in that, The second tumbling assembly (7) includes a shaft frame (71), which is fixedly mounted on a support plate (5). A tumbling roller (72) is rotatably connected to the shaft frame (71). A second motor (73) is also fixedly mounted on the support plate (5). The output end of the second motor (73) is fixedly connected to one end of the tumbling roller (72). A plurality of tumbling plates (74) are evenly arranged on the outer surface of the tumbling roller (72). Anti-slip textures (75) are evenly distributed on the surface of the tumbling plates (74).

5. The pear defect detection device according to claim 4, characterized in that, The flip plate (74) and the anti-slip texture II (75) are both made of rubber material, and the width of the flip plate (74) is 1-3cm.

6. The pear defect detection device according to claim 1, characterized in that, The conveying assembly (2) includes a motor (21), which is fixedly installed on the outside of the conveying frame (1). The left and right sides of the conveying frame (1) are respectively rotatably connected to axle one (22) and axle two (23). The output end of the motor (21) is fixedly connected to one end of axle one (22). Two sprockets one (24) are fixedly installed on axle one (22), and two sprockets two (25) are fixedly installed on axle two (23). Two conveying chains (26) are meshed between the two sprockets one (24) and the two sprockets two (25).

7. The pear defect detection device according to claim 6, characterized in that, The placement assembly (3) includes a buckle (31), which is fixedly installed at equal intervals on the conveyor chain (26). A placement box (32) is fixedly connected between the two conveyor chains (26) through the buckle (31). A number of balls (33) are evenly arranged on the inner side of the placement box (32).

8. The pear defect detection device according to claim 7, characterized in that, The placement box (32) has a circular structure, and the inner ring of the placement box (32) is inclined and the opening faces upward.

9. The pear defect detection device according to claim 1, characterized in that, The detection component (4) includes a detection box (41), which is fixedly installed in the middle of the conveyor frame (1). Lighting lamps (42) are provided on both sides of the top of the inner cavity of the detection box (41). A camera (43) is provided on the top of the inner cavity of the detection box (41), and the camera (43) is located above the support component (3). A light-blocking curtain (44) is provided at the inlet and outlet of the detection box (41).

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