Fresh pepper sorting device based on machine vision

Abstract

The invention discloses a fresh pepper sorting device based on machine vision. The fresh pepper sorting device is characterized by comprising a vibration feeding system, a conveying system, a machine vision recognition system and a sorting system. Vibration feeding movement of the vibration feeding system is achieved through an electromagnet, recognition of the machine vision system is achieved through a CCD industrial camera, and conveying movement of the conveying system is achieved through a motor. The invention is applied to the technical field of sorting machines. The automatic sorting device is designed for solving the problems that a traditional manual sorting mode is high in labor intensity, severe in working environment, low in sorting efficiency and poor in sorting quality. The whole device has the advantages of full-automatic intelligent equipment, rapid, efficient and accurate sorting of the fresh chilies and intelligent and integrated sorting work are achieved, the production efficiency is improved, the sorting period of the fresh chilies is shortened, and the fresh chilies sorting device can be widely applied to the related fields of the sorting industry and is efficient.

Description

Technical Field

[0001] The present invention relates to the field of agricultural machinery, and particularly relates to a fresh chili sorting device based on machine vision. Background Art

[0002] Fresh chili sorting devices play a very important role in the field of agricultural machinery. It is usually applied to the fast, efficient, and accurate sorting of fresh chilies. The fresh chili sorting device makes the fresh chili sorting work intelligent and integrated by installing a machine vision recognition system, realizes the automatic feeding and orderly arrangement of fresh chilies through a vibration feeding system, realizes the monomer intermittent conveying through a conveying system, and makes fresh chilies of different sizes enter different receiving pipes by controlling the opening and closing of the gates in the sorting system, thus completing the sorting of fresh chilies. It can be widely applied to the production logistics system or logistics distribution center in the automation of various industries.

[0003] The current sorting method is mainly the traditional manual sorting method, which has a large manual labor intensity, a harsh working environment, low sorting efficiency, and poor sorting quality. The existing sorting devices are in the semi-automatic stage and cannot complete the sorting of large production volumes, with low working efficiency. Summary of the Invention

[0004] The purpose of the present invention is to overcome the problems of the above sorting devices and provide a fresh chili sorting device based on machine vision. The movement of the conveying system is realized by a motor and chain drive, and the braking of the machine vision recognition system is achieved through a sensor. To achieve the above purpose, the present invention provides the following technical solutions.

[0005] A fresh chili sorting device based on machine vision includes a vibration feeding system, a conveying system, a machine vision recognition system, and a sorting system.

[0006] Preferably, the vibration feeding system includes a vibration disk, an armature, three-layer baffles, an electromagnet, an upper cover, a vibration disk base, spring steel, an outer cover, and a frame. The armature and the electromagnet are installed between the vibration disk base and the upper cover. Both ends of the spring steel are connected to the upper cover and the vibration disk base. The upper cover is fixedly connected to the vibration disk. The three-layer baffles are fixedly connected above the vibration disk by welding. After the electromagnet is energized, it adsorbs the armature, the spring steel is compressed and then elongated, and the vibration disk vibrates to realize the automatic feeding and orderly arrangement of fresh chilies. The outer cover is installed outside the upper cover and the vibration disk base.

[0007] Preferably, the conveying system includes a driven sprocket, a driving sprocket, a gear, a transmission shaft, a chain, a chain case, a motor, a guard plate, a long frame, and a roller chain. The output shaft of the motor is connected to the driving sprocket, the driving sprocket is connected to the chain, the driving sprocket is connected to the driven sprocket through the chain, the motor drives the driving sprocket to rotate, the chain is installed inside the chain case, the driving sprocket drives the chain to rotate, and the chain drives the driven sprocket to rotate. The driven sprocket and the two gears are installed on the same transmission shaft. Two gears are installed at the front end of the roller chain. The rotation of the driven sprocket drives the two gears to rotate, and the rotation of the gears drives the roller chain to move, so as to achieve long-distance transportation. The guard plates are fixedly installed at both ends of the roller chain.

[0008] Preferably, the roller chain includes chain links, rollers, and inner connecting plates. Two adjacent rollers are connected by the chain links, and each chain link is provided with mounting holes for installing the inner connecting plates, and the chain links are connected to each other through the inner connecting plates.

[0009] Preferably, the machine vision recognition system includes a dark box, a sensor, a CCD industrial camera, a bracket, a lighting lamp, a USB transmission line, and a computer. The sensor is installed on one side of the dark box and fixedly connected to the dark box, and is used to detect the arrival of fresh chili peppers. The CCD industrial camera is installed inside the dark box and fixedly connected to the dark box through the bracket, and is used to collect images. The lighting lamp is fixedly installed below the CCD industrial camera through the bracket. The USB transmission line is connected to the computer and is used for the computer to identify, judge, and output grade signals.

[0010] Preferably, the sorting system includes a collection trolley, a collection box, a fan, a small motor, a collection hood, a conversion control box, a receiving pipe, a chili pepper door, a gate, a fan connecting pipe, a fan base, and wheels. The gate is fixedly installed in the conversion control box, and the gate opens and closes by receiving grade signals, and can control the entry of fresh chili peppers into different receiving pipes. The fan is connected to the fan base by bolts. One end of the fan connecting pipe is connected to the air outlet of the fan, and the fan is driven by the small motor to work. One end of the conversion control box is connected to the fan connecting pipe, and the other end is connected to one end of the collection hood. Three receiving pipes are provided at one end of the collection box. One end of the receiving pipe is welded to the collection box, and the other end is connected to one end of the collection hood. The collection box is installed inside the collection trolley and is used to collect fresh chili peppers. The chili pepper door is fixedly installed on one side of the collection box. The collection trolley is equipped with four wheels for walking.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows; 1. The present invention uses a sensor to detect the conveying position of fresh chili peppers. When the fresh chili peppers are conveyed below the dark box, it will trigger the CCD industrial camera to collect images of the fresh chili peppers from above. The collected images are input into a computer through a USB transmission line for identification and judgment, and a grade signal is output.

[0012] 2. The fresh chili pepper sorting device based on machine vision adopted by the present invention replaces the traditional manual sorting method. The traditional manual sorting method has a large labor intensity, a harsh working environment, low sorting efficiency, and poor sorting quality. At the same time, it replaces the existing semi-automatic sorting device with low working efficiency. The overall device of the fresh chili pepper sorting device based on machine vision has the advantages of a fully automatic intelligent equipment, making the fresh chili pepper sorting work intelligent and integrated, improving the production efficiency, shortening the sorting cycle of fresh chili peppers, and can be widely applied to related fields of the sorting industry. It is an efficient fresh chili pepper sorting device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a schematic structural diagram of a fresh chili pepper sorting device based on machine vision; Figure 2 is a front view of a fresh chili pepper sorting device based on machine vision; Figure 3 is a top view of a fresh chili pepper sorting device based on machine vision; Figure 4 is an internal structural diagram of a vibrating feeding system; Figure 5 is a schematic structural diagram of a conveying system; Figure 6 is a partially enlarged view of the conveying system; Figure 7 is an internal structural diagram of the conveying system; Figure 8 is an internal structural diagram of a machine vision recognition system; Figure 9 is a schematic structural diagram of a sorting device; Figure 10 is an internal structural diagram of a sorting device.

[0014] In the figure: 1. Outer cover; 2. Three-layer baffle; 3. Frame; 4. Vibration bowl; 5. Long frame; 6. Fan; 7. Roller; 8. Support; 9. CCD industrial camera; 10. Dark box; 11. Conversion control box; 12. Collection hood; 13. Receiving pipe; 14. Chili gate; 15. Collection cart; 16. Small motor; 17. Upper cover; 18. Electromagnet; 19. Armature; 20. Spring steel; 21. Guard plate; 22. Vibration bowl base; 23. Chain box; 24. Driven sprocket; 25. Driving sprocket; 26. Inner connecting plate; 27. Motor; 28. Sensor; 29. Chain link; 30. Lighting lamp; 31. Collection box; 32. Wheel; 33. Chain; 34. Fan connecting pipe; 35. Fan base; 36. Gate; 37. Gear; 38. USB conveyor line; 39. Computer; 40. Transmission shaft. Embodiment

[0015] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0016] Please refer to Figures 1 to 9 , a fresh chili sorting device based on machine vision, comprising a vibration feeding system, a conveying system, a machine vision recognition system and a sorting system. Among them, the vibration feeding system includes a vibration bowl 4, an armature 19, a three-layer baffle 2, an electromagnet 18, an upper cover 17, a vibration bowl base 22, spring steel 20, a frame 3 and an outer cover 1. The armature 19 and the electromagnet 18 are installed between the vibration bowl base 22 and the upper cover 17. The two ends of the spring steel 20 are respectively connected to the upper cover 17 and the vibration bowl base 22. The upper cover 17 is fixedly connected to the vibration bowl 4. The three-layer baffle 2 is fixedly connected above the vibration bowl 4 by welding. After the electromagnet 18 is powered on, it adsorbs the armature 19, the spring steel 20 is compressed, and then the spring steel 20 elongates, and the vibration bowl 4 vibrates, which is used for the automatic feeding and orderly arrangement of fresh chilies. The outer cover 1 is installed outside the upper cover 17 and the vibration bowl base 22.

[0017] Among them, the conveying system includes a driven sprocket 24, a driving sprocket 25, a gear 37, a transmission shaft 40, a chain 33, a chain case 23, a motor 27, a guard plate 21, a long frame 5, and a roller chain. The output shaft of the motor 27 is connected to the driving sprocket 25, the driving sprocket 25 is connected to the chain 33, the driving sprocket 25 is connected to the driven sprocket 24 through the chain 33, the motor 27 drives the driving sprocket 25 to rotate, the chain 33 is installed inside the chain case 23, the driving sprocket 25 drives the chain 33 to rotate, the driven sprocket 24 is driven to rotate by the chain 33, the driven sprocket 24 and the two gears 37 are installed on the same transmission shaft 40, two gears 37 are installed at the front end of the roller chain, the two gears 37 are driven to rotate by the rotation of the driven sprocket 24, and the roller chain is driven to move by the rotation of the gears 37 for realizing long-distance conveying. The guard plate 21 is fixedly installed at both ends of the roller chain. The roller chain includes chain links 29, rollers 7, and inner connecting plates 26. Two adjacent rollers 7 are connected by the chain links 29, and each chain link 29 is provided with an installation hole for installing the inner connecting plate 26, and the chain links 29 are connected to each other through the inner connecting plates 26.

[0018] Among them, the machine vision recognition system includes a dark box 10, a sensor 28, a CCD industrial camera 9, a bracket 8, a lighting lamp 30, a USB transmission line 38, and a computer 39. The sensor 28 is installed on one side of the dark box 10 and fixedly connected to the dark box 10 for detecting the arrival of fresh chili peppers. The CCD industrial camera 9 is installed inside the dark box 10 and fixedly connected to the dark box 10 through the bracket 8 for collecting images. The lighting lamp 30 is fixedly installed below the CCD industrial camera 9 through the bracket 8. The USB transmission line 38 is connected to the computer 39 for the recognition and judgment of the computer 39 and outputting grade signals.

[0019] Among them, the sorting system includes a collection trolley 15, a collection box 31, a fan 6, a small motor 16, a collection hood 12, a conversion control box 11, a receiving pipe 13, a chili door 14, a gate 36, a fan connecting pipe 34, a fan base 35, and wheels 32. The gate 36 is fixedly installed in the conversion control box 11. The gate 36 controls the opening and closing by receiving a grading signal to allow fresh chili peppers to enter different receiving pipes 13. The fan 6 is connected to the fan base 35 by bolts. One end of the fan connecting pipe 34 is connected to the air outlet of the fan 6, and the fan 6 is driven to work by the small motor 16. One end of the conversion control box 11 is welded to the fan connecting pipe 34, and the other end is connected to one end of the collection hood 12. Three receiving pipes 13 are provided at one end of the collection box 31. One end of the receiving pipe 13 is welded to the collection box 31, and the other end is connected to one end of the collection hood 12. The collection box 31 is installed inside the collection trolley 15 for collecting fresh chili peppers. The chili door 14 is fixedly installed on one side of the collection box 31. The collection trolley 15 is equipped with four wheels 32 for walking movement.

[0020] Working principle: For this fresh chili pepper sorting device based on machine vision, the frame 3 can enhance the stability of the vibrating disk base 22. When the electromagnet 18 is energized, it adsorbs the armature 19, the spring steel 20 is compressed, and then the spring steel 20 extends, causing the vibrating disk 4 to vibrate, completing the automatic feeding and orderly arrangement of fresh chili peppers, and the fresh chili peppers are conveyed forward in the vibrating disk 4. When the fresh chili peppers are conveyed to the conveying system, power is provided by the motor 27. The fresh chili peppers move on the rollers 7. Two adjacent rollers 7 are connected by a link 29, and the links 29 are connected by an inner connecting plate 26. Multiple rollers 7, links 29, and inner connecting plates 26 form a roller chain. The front end of the roller chain is equipped with the driven sprocket 24. The driving sprocket 25 is connected to the driven sprocket 24 by the chain 33. The chain 33 is installed inside the chain box 23. The rotation of the driven sprocket 24 drives the movement of the roller chain for long-distance conveying. A sensor 28 is installed on one side of the dark box 10. When the sensor 28 detects the arrival of fresh chili peppers, the CCD industrial camera 9 collects images of the fresh chili peppers. The collected images are input into the computer 39 through the USB transmission line 38. The computer 39 makes an identification and judgment and outputs a grading signal. When the fresh chili peppers reach the sorting system, the gate 36 in the conversion control box 11 receives the grading signal from the computer 39 and opens and closes. The fan 6 is driven to work by the small motor 16, blowing the fresh chili peppers into the receiving pipes 13 of the corresponding grades and finally into the collection box 31. The collection box 31 is connected to the collection trolley 15, and finally the collection trolley 15 loads and transports the fresh chili peppers.

[0021] Those skilled in the art can understand that other similar connection methods can also implement the present invention. For example, methods such as welding, bonding or screwing.

[0022] Only some exemplary embodiments of the present invention have been described above by way of illustration. Without doubt, for those of ordinary skill in the art, the described embodiments can be modified in various different ways without departing from the spirit and scope of the present invention.

Claims

1. A fresh chili sorting device based on machine vision, characterized in that, Including: Vibratory feeding system, including a vibrating bowl, armature, three-layer baffle, electromagnet, upper cover, vibrating bowl base, spring steel, outer cover, frame, outer cover. The electromagnet adsorbs to the armature after being energized. Conveyor system, including a driving sprocket, driven sprocket, chain, chain case, motor, guard plate, long frame, roller chain, gear, transmission shaft. The output shaft of the motor is connected to the driving sprocket, the driving sprocket is connected to the chain, and the driving sprocket drives the driven sprocket through the chain. Machine vision recognition system, including a dark box, sensor, CCD industrial camera, bracket, lighting lamp, USB transmission line, computer. The CCD industrial camera is used for image acquisition of fresh chili peppers. Sorting system, including a collection cart, collection box, fan, small motor, collection hood, conversion control box, receiving pipe, chili gate, fine fan pipe, gate, fan connecting pipe, fan base, wheel. The fan is driven by the small motor to work, and the collection box is used for collecting fresh chili peppers.

2. The fresh chili sorting device based on machine vision according to claim 1, characterized in that: The three-layer baffle is installed on the vibrating bowl and connected by welding for single-layer conveying of fresh chili peppers.

3. The sorting device for fresh chili peppers based on machine vision according to claim 1, wherein: The electromagnet adsorbs to the armature after being energized, and the vibrating bowl vibrates for feeding and arranging fresh chili peppers.

4. The fresh pepper sorting device based on machine vision according to claim 1, characterized in that: The motor drives the driving sprocket to rotate, the driving sprocket drives the chain to rotate, and the chain drives the driven sprocket to rotate.

5. A fresh chili sorting device based on machine vision according to claim 1, characterized in that: The roller chain includes chain links, rollers, inner connecting plates. Two adjacent rollers are connected by the chain links, and each chain link is provided with mounting holes for installing the inner connecting plates, and the chain links are connected to each other through the inner connecting plates.

6. The sorting device for fresh chili peppers based on machine vision according to claim 1, characterized in that: The sensor is installed on one side of the dark box for detecting the arrival of fresh chili peppers, the CCD industrial camera is installed inside the dark box for image acquisition, and the USB transmission line is connected to the computer.

7. The fresh pepper sorting device based on machine vision according to claim 1, characterized in that: The fan is connected to the fan base by bolts, and one end of the fan connecting pipe is connected to the air outlet of the fan.

8. A fresh chili sorting device based on machine vision according to claim 1, characterized in that: The gate is fixedly installed inside the conversion control box, and the opening and closing of the gate can control the entry of fresh chili peppers into different receiving pipes.

9. The fresh pepper sorting device based on machine vision according to claim 1, characterized in that: Three receiving pipes are provided at one end of the collection box. One end of the receiving pipe is welded to the collection box, and the other end is connected to one end of the collection hood.

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