Onion flaw detection and sorting device

Abstract

The utility model discloses an onion flaw detecting and sorting device, and relates to the technical field of agricultural machinery. The device comprises a machine vision surface defect detection system and a sorting rotary table, a plurality of compartments are annularly distributed on the sorting rotary table, a discharging mechanism is arranged in each compartment, a feeding conveying belt is arranged on one side of the sorting rotary table, and a damaged onion conveying belt is arranged on the other side of the sorting rotary table. A machine vision surface defect detection system and a discharging trigger mechanism are arranged at the feeding end of the damaged onion conveying belt, and the machine vision surface defect detection system and the discharging trigger mechanism are linked with each other, so that after the machine vision surface defect detection system detects that damaged onions exist in the compartment, the damaged onions are discharged; the discharging triggering mechanism can drive the discharging mechanism to act. The onion trimmer is simple in structure, and solves the problems of high labor intensity and low working efficiency due to the fact that onion trimmer operation is completed manually.

Description

Technical Field

[0001] The utility model relates to a sorting device, in particular to an onion defect detection and sorting device. Background Art

[0002] As we all know, onions do not contain fat, but contain volatile oils, which in turn contain substances that lower cholesterol. Therefore, onions are effective in lowering blood pressure and blood viscosity.

[0003] At present, mechanical harvesting and mechanical onion vine separation are mainly used for onions. However, during the operation, the onion skin is often damaged, affecting the onion appearance. Therefore, damage inspection is required. The current damage inspection operation is done manually, which has high labor intensity and low work efficiency. Utility Model Content

[0004] In view of the above technical problems, the utility model provides an onion flaw detection and sorting device, which is used to solve the problems of low efficiency of manual flaw detection and damage to the cervical spine and eyes of workers caused by long-term work.

[0005] In order to achieve the above purpose, the technical solution of the utility model is as follows:

[0006] An onion defect inspection and sorting device is characterized in that it comprises a machine vision surface defect detection system and a sorting turntable, wherein a plurality of compartments are distributed in an annular manner on the sorting turntable, a discharge mechanism is arranged in each compartment, a feeding conveyor belt is arranged on one side of the sorting turntable, and a damaged onion conveyor belt is arranged on the other side, a machine vision surface defect detection system and a discharge trigger mechanism are arranged on the feeding end of the damaged onion conveyor belt, and the machine vision surface defect detection system and the discharge trigger mechanism are linked to each other, so that after the machine vision surface defect detection system detects that there are damaged onions in the compartment, the discharge trigger mechanism can drive the discharge mechanism to operate.

[0007] The discharge mechanism is divided into a discharge trigger mechanism for undamaged onions and a discharge trigger mechanism for damaged onions. The discharge mechanism includes a gate, a rotating rod, a reset structure, a discharge lever and a barrel. The barrel is vertically arranged in the compartment of the sorting turntable, and the feeding port at the top of the barrel is connected with the discharge port of the compartment. The rotating rod is rotatably arranged vertically in the thin wall of the barrel. The top of the rotating rod is connected to one side of the gate covering the feeding port at the top of the barrel. A discharge lever is arranged at the bottom, so that when the discharge lever is pulled, the rotating rod can rotate and drive the gate to rotate. A reset structure is also arranged on the discharge lever, so that the discharge lever can be reset after completing one action.

[0008] The reset structure comprises a first baffle, a second baffle and a spring. The first baffle and the second baffle are respectively arranged on both sides of the material discharge lever and are respectively connected to the side wall of the material discharge lever through the spring.

[0009] It also includes a non-damaged onion conveyor belt and a non-damaged onion discharge trigger mechanism. The non-damaged onion conveyor belt is arranged on one side of the damaged onion conveyor belt, and its inlet end corresponds to the sorting turntable. The non-damaged onion discharge trigger mechanism is arranged on the inlet end of the non-damaged onion conveyor belt, so that when the non-damaged onion discharge trigger mechanism detects that the onions after damage inspection are approaching, it drives the discharge mechanism to operate and discharge the onions into the non-damaged onion conveyor belt.

[0010] The discharge trigger mechanism includes a damaged onion switch motor, and the non-damaged onion discharge trigger mechanism includes an infrared sensing switch and a non-damaged onion switch motor. The infrared sensing switch is linked to the non-damaged onion switch motor. After the infrared sensing switch detects the presence of onions in the compartment, it drives the non-damaged onion switch motor to operate. The main shafts of the damaged onion switch motor and the non-damaged onion switch motor are both provided with paddles, which can move the discharge lever.

[0011] The machine vision surface defect detection system includes an annular shadowless light source, three CMOS cameras and a bracket. The bracket is arranged above the feeding end of the damaged onion conveyor belt and corresponds to the sorting turntable. Among the three CMOS cameras, one is vertically arranged on the top of the bracket, and the other two are horizontally arranged on the side walls on both sides of the bracket. The annular shadowless light source is arranged on the CMOS camera on the top of the bracket. The CMOS camera is connected to the fully customized vision system, and the fully customized vision system is connected to the damaged onion switch motor, thereby driving the damaged onion switch motor to operate.

[0012] The beneficial effects of the utility model are:

[0013] (1) When the utility model is used, when the onions on the sorting turntable pass through the machine vision surface defect detection system, after the machine vision surface defect detection system detects that there are damaged onions in the compartment, the discharge trigger mechanism can drive the discharge mechanism to operate and discharge the damaged onions into the damaged onion conveyor belt, thereby greatly reducing the workload of manual screening.

[0014] (2) The material barrel of the utility model is vertically arranged on the compartment of the sorting turntable, and the material inlet at the top of the material barrel is connected with the material outlet of the compartment. The rotating rod is rotatably arranged vertically in the thin wall of the material barrel. The top of the rotating rod is connected to one side of the gate plate covering the material inlet at the top of the material barrel. A discharge lever is arranged at the bottom, so that when the discharge lever is pushed, the rotating rod can rotate and drive the gate plate to rotate. A reset structure is also arranged on the discharge lever, so that the discharge lever can be reset after completing one action.

[0015] (3) When the discharge lever of the utility model is actuated, the spring in the reset structure is compressed and stretched respectively. After the switch motor stops actuating, the discharge lever is not affected by external force, the spring in the reset structure is reset, and the discharge lever drives the rotating rod to rotate, thereby closing the gate, and the discharge mechanism completes the discharge.

[0016] (4) When the utility model is used, when the sorting turntable inspected by the machine vision surface defect inspection system passes through the non-damaged onion discharge trigger mechanism, the non-damaged onion discharge trigger mechanism detects that the onions after the inspection are approaching, and drives the discharge mechanism to operate and discharge the onions into the non-damaged onion conveyor belt.

[0017] (5) The non-damage onion discharge trigger mechanism of the utility model comprises an infrared sensing switch and a non-damage onion switch motor. After the infrared sensing switch detects the presence of onions in the compartment, it drives the non-damage onion switch motor to discharge the onions into the non-damage onion conveyor belt, thereby avoiding energy waste caused by the onion-free interval action.

[0018] (6) The utility model uses a machine vision surface defect detection system to capture clear onion surface images with a CMOS camera, and screens and judges the onion images captured by the lens to confirm the targets that need to be screened, thereby driving the damaged onion switch motor to discharge the damaged onions into the damaged onion conveyor belt, thereby improving the accuracy of onion screening. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a top view of the utility model;

[0020] Figure 2 This is a side view of the machine vision surface defect detection system of the utility model;

[0021] Figure 3 This is a front view of the onion screening mechanism of the utility model;

[0022] Figure 4 It is a schematic diagram of the material discharging mechanism of the utility model.

[0023] Reference numerals: machine vision surface defect detection system 1, feeding conveyor belt 2, sorting turntable 3, discharging mechanism 4, non-damaged onion discharging trigger mechanism 5, switch motor 6, non-damaged onion switch motor 7, annular shadowless light source 8, three CMOS cameras 9, bracket 10, damaged onion conveyor belt 11, gate 12, rotating rod 13, reset structure 14, baffle 141, baffle 142, discharging lever 15, barrel 16, external induction switch 17, non-damaged onion conveyor belt 18, spring 19, paddle 20; DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Unless otherwise specified, the technical means used in the embodiments are conventional means well known to those skilled in the art.

[0025] like Figure 1As shown, an onion defect inspection and sorting device is characterized in that it includes a machine vision surface defect detection system 1 and a sorting turntable 3, a plurality of compartments are distributed in an annular manner on the sorting turntable 3, a discharge mechanism 4 is arranged in each compartment, a feeding conveyor belt 2 is arranged on one side of the sorting turntable 3, and a damaged onion conveyor belt 11 is arranged on the other side, a machine vision surface defect detection system 1 and a discharge trigger mechanism are arranged on the feeding end of the damaged onion conveyor belt 11, and the machine vision surface defect detection system 1 and the discharge trigger mechanism are linked to each other, so that after the machine vision surface defect detection system 1 detects that there are damaged onions in the compartment, the discharge trigger mechanism can drive the discharge mechanism to operate.

[0026] like Figure 3 As shown, the discharge mechanism 4 is divided into a discharge trigger mechanism for undamaged onions and a discharge trigger mechanism for damaged onions. The discharge mechanism 4 includes a gate 12, a rotating rod 13, a reset structure 14, a discharge lever 15 and a barrel 16. The barrel 16 is vertically arranged on the compartment of the sorting turntable 3, and the top feed port of the barrel 16 is connected to the discharge port of the compartment. The rotating rod 13 is rotatably arranged vertically in the thin wall of the barrel 16. The top of the rotating rod 13 is connected to one side of the gate 12 covering the top feed port of the barrel 16. The discharge lever 15 is arranged at the bottom, so that when the discharge lever 15 is toggled, the rotating rod 13 can rotate and drive the gate 12 to rotate. The discharge lever 15 is also provided with a reset structure 14, so that the discharge lever 15 can be reset after completing an action.

[0027] like Figure 3 As shown, the reset structure 14 includes a first baffle 141, a second baffle (142) and a spring 19. The first baffle 141 and the second baffle 142 are respectively arranged on both sides of the discharge lever 15 and are respectively connected to the side walls of the discharge lever 15 through the spring 19.

[0028] like Figure 1 As shown, the undamaged onion conveyor belt 18 and the undamaged onion discharge trigger mechanism, the undamaged onion conveyor belt 18 is arranged on one side of the damaged onion conveyor belt 11, and its inlet end corresponds to the sorting turntable 3, and the undamaged onion discharge trigger mechanism is arranged on the inlet end of the undamaged onion conveyor belt 18, so that when the undamaged onion discharge trigger mechanism detects that the onions after damage inspection are approaching, it drives the discharge mechanism to operate and discharge the onions into the undamaged onion conveyor belt 18.

[0029] like Figure 3 , Figure 4As shown, the discharge trigger mechanism includes a damaged onion switch motor 6, and the non-damaged onion discharge trigger mechanism 5 includes an infrared sensing switch 17 and a non-damaged onion switch motor 7. The infrared sensing switch 17 is linked with the non-damaged onion switch motor 7. After the infrared sensing switch 17 detects the presence of onions in the compartment, it drives the non-damaged onion switch motor 7 to operate. The main shafts of the damaged onion switch motor 6 and the non-damaged onion switch motor 7 are both provided with a paddle 20, and the paddle 20 can toggle the discharge lever 15.

[0030] like Figure 2 As shown, the machine vision surface defect detection system includes an annular shadowless light source 8, three CMOS cameras 9 and a bracket 10. The bracket 10 is arranged above the feed end of the damaged onion conveyor belt (11) and corresponds to the sorting turntable 3. Among the three CMOS cameras 9, one is vertically arranged on the top of the bracket, and the other two are horizontally arranged on the side walls of the bracket 10. The annular shadowless light source 8 is arranged on the CMOS camera 9 on the top of the bracket. The CMOS camera 9 is connected to the fully customized vision system, and the fully customized vision system is connected to the damaged onion switch motor 6, thereby driving the damaged onion switch motor 6 to operate.

[0031] When the utility model is used, the machine vision surface defect detection system 1 adopts the Sputek XG-9600 series fully customized vision system, and the machine vision surface defect detection system 1 and the discharge trigger mechanism are linked to each other. The CMOS camera 9 of the machine vision surface defect detection system 1 collects the onion image on the compartment of the sorting turntable 3, and the onion image is sent to the computer. According to the pixel distribution, brightness, color and other information of the onion image, it is compared with the data in the library to determine whether the onion skin is damaged. If the onion skin is damaged, the paddle 20 on the onion switch motor 6 triggers the discharge lever 15 of the discharge mechanism 4, and the discharge lever 15 drives the rotating rod 13, and the top of the rotating rod 13 is covered on the feeding port at the top of the barrel 16. The rotating rod 13 is connected to one side of the gate 12, the rotating rod 13 rotates to open the gate 12, and the discharge mechanism 4 discharges the damaged onions into the damaged onion conveyor belt 11. A reset structure 14 is connected below the rotating rod 13, and the discharge lever 15 is connected to the reset structure 14. The reset structure 14 includes a first baffle 141, a second baffle 142 and a spring 19. The first baffle 141 and the second baffle 142 are installed on the outer wall of the barrel 16, and the two baffles are connected by a spring 19. When the discharge lever 15 is actuated, the spring 19 on one side of the reset structure 14 is compressed and the spring 19 on the other side is stretched. When the discharge lever 15 is not actuated by external force, the compressed spring 19 and the stretched spring 19 are restored, driving the discharge lever 15 to reset, thereby driving the rotating rod 13 to rotate and closing the gate 12. If it is judged that the onion epidermis is not damaged, the damaged onion switch motor 6 does not operate; when the compartment of the sorting turntable 3 passes the undamaged onion discharge trigger mechanism, when the undamaged onion discharge trigger mechanism detects that the onions after damage inspection are approaching, the paddle 20 on the undamaged onion switch motor 7 triggers the discharge lever 15 of the discharge mechanism 4, and the discharge lever 15 drives the rotating rod 13, and the top of the rotating rod 13 is connected to one side of the gate 12 covering the feeding port on the top of the barrel 16. The rotating rod 13 rotates to open the gate 12 and discharge the onions into the undamaged onion conveyor belt 18. A reset structure 14 is connected below the rotating rod 13, and the discharge lever 15 is connected to the reset structure 14. The positioning structure 14 includes a first baffle 141, a second baffle 142 and a spring 19. The first baffle 141 and the second baffle 142 are installed on the outer wall of the barrel 16, and the baffles are connected by the spring 19. When the discharge lever 15 is actuated, the spring 19 on one side of the reset structure 14 is compressed, and the spring 19 on the other side is stretched. When the discharge lever 15 is not actuated by an external force, the compressed spring 19 and the stretched spring 19 are restored, driving the discharge lever 15 to reset, thereby driving the rotating rod 13 to rotate and closing the gate 12, thereby completing the defect detection and sorting of damaged onions, solving the problem that the onion defect detection operation is completed manually, with high labor intensity and low work efficiency.

[0032] The above description is only a preferred embodiment of the utility model, and is not intended to limit the utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model. The above-mentioned embodiments are only descriptions of the preferred methods of the utility model, and are not intended to limit the scope of the utility model. Without departing from the design spirit of the utility model, various deformations, modifications, and replacements made by ordinary technicians in this field to the technical solution of the utility model should fall within the protection scope determined by the claims of the utility model.

Claims

1. An onion defect detection and sorting device, characterized in that: The invention comprises a machine vision surface defect detection system (1) and a sorting turntable (3), wherein a plurality of compartments are distributed in an annular manner on the sorting turntable (3), and a discharge mechanism (4) is arranged in each compartment. A feeding conveyor belt (2) is arranged on one side of the sorting turntable (3), and a damaged onion conveyor belt (11) is arranged on the other side. The machine vision surface defect detection system (1) and a discharge trigger mechanism are arranged on the feeding end of the damaged onion conveyor belt (11), and the machine vision surface defect detection system (1) and the discharge trigger mechanism are linked to each other, so that after the machine vision surface defect detection system (1) detects the presence of damaged onions in the compartment, the discharge trigger mechanism can drive the discharge mechanism to operate.

2. The onion defect detection and sorting device according to claim 1, characterized in that: The discharge mechanism (4) is divided into a discharge trigger mechanism for undamaged onions and a discharge trigger mechanism for damaged onions. The discharge mechanism (4) comprises a gate plate (12), a rotating rod (13), a reset structure (14), a discharge lever (15) and a barrel (16). The barrel (16) is vertically arranged on a compartment of the sorting turntable (3), and a feed inlet at the top of the barrel (16) is butted with a feed outlet at the compartment. The rotating rod (13) is rotatably arranged vertically in a thin wall of the barrel (16). The top of the rotating rod (13) is connected to one side of the gate plate (12) covering the feed inlet at the top of the barrel (16). A discharge lever (15) is arranged at the bottom, so that when the discharge lever (15) is toggled, the rotating rod (13) can rotate and drive the gate plate (12) to rotate. The discharge lever (15) is also provided with a reset structure (14) so ​​that the discharge lever (15) can be reset after completing one action.

3. The onion defect detection and sorting device according to claim 2, characterized in that: The reset structure (14) comprises a first baffle (141), a second baffle (142) and a spring (19); the first baffle (141) and the second baffle (142) are respectively arranged on both sides of the material discharge lever (15) and are respectively connected to the side walls of the material discharge lever (15) via the spring (19).

4. The onion defect detection and sorting device according to claim 1, characterized in that: It also includes a non-damaged onion conveyor belt (18) and a non-damaged onion discharge trigger mechanism. The non-damaged onion conveyor belt (18) is arranged on one side of the damaged onion conveyor belt (11), and its inlet end corresponds to the sorting turntable (3). The non-damaged onion discharge trigger mechanism is arranged on the inlet end of the non-damaged onion conveyor belt (18), so that when the non-damaged onion discharge trigger mechanism detects that onions after damage inspection are approaching, it drives the discharge mechanism to operate and discharge the onions into the non-damaged onion conveyor belt (18).

5. The onion defect detection and sorting device according to claim 2, characterized in that: The discharge trigger mechanism comprises a damaged onion switch motor (6), and the non-damaged onion discharge trigger mechanism (5) comprises an infrared sensor switch (17) and a non-damaged onion switch motor (7). The infrared sensor switch (17) and the non-damaged onion switch motor (7) are linked to each other. After the infrared sensor switch (17) detects the presence of onions in the compartment, it drives the non-damaged onion switch motor (7) to operate. The main shafts of the damaged onion switch motor (6) and the non-damaged onion switch motor (7) are both provided with a paddle (20), and the paddle (20) can paddle the discharge lever (15).

6. The onion defect detection and sorting device according to claim 1, characterized in that: The machine vision surface defect detection system comprises an annular shadowless light source (8), three CMOS cameras (9) and a bracket (10); the bracket (10) is arranged above the feed end of the damaged onion conveyor belt (11) and corresponds to the sorting turntable (3); one of the three CMOS cameras (9) is arranged vertically on the top of the bracket, and the other two are arranged horizontally on the side walls of the bracket (10); the annular shadowless light source (8) is arranged on the CMOS camera (9) on the top of the bracket; the CMOS camera (9) is connected to the fully customized vision system; the fully customized vision system is connected to the damaged onion switch motor (6), thereby driving the damaged onion switch motor (6) to operate.

Images