Machine vision-based machine-harvested pepper impurity removing device

Abstract

The machine-harvested pepper impurity removing device comprises a machine frame, a feeding hopper is installed on one side of the top of the machine frame, the interior of the machine frame is divided into an upper layer, a middle layer and a lower layer, a main draught fan, a camera and a cutting-off air cylinder are sequentially installed on the upper layer of the machine frame in the direction away from a lower end opening of the feeding hopper, and a conveying belt is installed on the middle layer of the machine frame. A motor and a secondary fan are installed on the lower layer of the rack. The chilies are pre-cleaned once by the main fan, broken impurities are removed, the chilies are orderly arranged in the conveying belt, the camera recognizes whether green stalks contained in the machine-harvested chilies need to be cut off, the cut-off air cylinder drives the cut-off knife to quickly cut off the unbroken stalks in the conveying belt, and the cut-off air cylinder drives the cut-off knife to cut off the cut-off stalks in the conveying belt. And secondary fan cleaning is carried out when the impurities fall off from the tail end of the conveying belt, so that thorough impurity cleaning is ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of agricultural machinery, and in particular relates to a machine-picked pepper cleaning device based on machine vision. Background Art

[0002] The existing cleaning method of machine-picked peppers is mainly based on wind separation, which relies on powerful fans to clean the stems, branches, leaves, soil and other impurities contained in the machine-picked peppers. Secondly, there are some roller-type bionic wheels, which mainly rely on multiple interacting bionic wheels to drag and separate long stems to achieve the cleaning effect.

[0003] The existing wind separation method mainly relies on quality sorting, which cannot effectively remove long stems, large particles and other impurities contained in machine-picked peppers. The roller-type bionic wheel can effectively remove long stems and other impurities, but it cannot accurately separate the unbroken stems contained in peppers, and the cleaning is not thorough. Based on this, it is necessary to design a device that can remove unbroken stems and has a good cleaning effect. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a machine-picked pepper cleaning device based on machine vision in view of the deficiencies of the above-mentioned prior art. The device has a scientific and reasonable structural design, good cleaning effect, can effectively cut off the stems, and can also arrange the pepper plants in an orderly manner, and can be promoted for use.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is: a machine vision-based pepper picking and cleaning device, characterized in that it includes a frame, a hopper is installed on one side of the top of the frame, and the frame is divided into three layers: upper, middle and lower. The upper layer of the frame is installed with a main fan, a camera and a cutting cylinder in sequence along the direction away from the lower port of the hopper, the middle layer of the frame is installed with a conveyor belt, and the lower layer of the frame is installed with a motor and a secondary fan.

[0006] Preferably, a feeding roller is rotatably installed in the feeding hopper, and the motor drives the conveyor belt and the feeding roller in sequence.

[0007] Preferably, the air outlet of the main fan is opposite to the lower outlet of the hopper, the camera is connected to the signal input port of the controller, the control signal output port of the controller is connected to the cutting cylinder, the telescopic end of the cutting cylinder is fixedly equipped with a cutter for cutting the pepper stems, and a light strip is arranged next to the camera.

[0008] Preferably, a fixing frame is fixedly mounted on the frame above the conveyor belt, and a plurality of baffles are obliquely mounted on the fixing frame.

[0009] Preferably, a plurality of compartments are equidistantly arranged on the fixing frame, two baffles are installed in an inverted figure eight shape in each compartment, and a cut-off cylinder is installed directly above each compartment.

[0010] Preferably, two conveying rollers are rotatably installed on both sides of the middle layer of the frame, the conveyor belt is installed on the two conveying rollers, a first sprocket is installed on the conveying roller, and the unloading roller is connected to a second sprocket. The output shaft of the motor is connected to one of the first sprockets through a first transmission chain, and the other first sprocket is connected to the second sprocket through a second transmission chain.

[0011] Preferably, the lower port of the feed hopper is located above one side of the conveyor belt, and the air outlet of the secondary fan is located below the other side of the conveyor belt.

[0012] Compared with the prior art, the utility model has the following advantages:

[0013] The utility model utilizes the main fan to pre-clean the peppers, removes broken impurities, and arranges the peppers in order on the conveyor belt. The camera recognizes whether it is necessary to cut off the green stems contained in the machine-picked peppers. The cutting cylinder drives the cutting knife to quickly cut off the unbroken stems on the conveyor belt. When the stems fall at the end of the conveyor belt, a secondary fan cleaning is performed to ensure thorough cleaning.

[0014] The utility model is further described in detail below with reference to the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the axonometric three-dimensional structure of the utility model from the first viewing angle.

[0016] Figure 2 It is a main structural schematic diagram of the utility model.

[0017] Figure 3 It is a side structural schematic diagram of the utility model.

[0018] Figure 4 It is a top view structural schematic diagram of the utility model.

[0019] Figure 5 It is a schematic diagram of the axonometric three-dimensional structure of the utility model from a second viewing angle.

[0020] Description of reference numerals:

[0021] 1—Inlet hopper; 2—Main fan; 3—Frame;

[0022] 4—cut-off cylinder; 5—fixed frame; 6—conveyor belt;

[0023] 7—secondary fan; 8—first transmission chain; 9—motor;

[0024] 10—first sprocket; 11—feeding roller; 12—baffle;

[0025] 13—controller; 14—camera; 15—light strip. DETAILED DESCRIPTION

[0026] like Figures 1 to 5 As shown, the utility model includes a frame 3, a hopper 1 is installed on the top right side of the frame 3, the frame 3 is divided into three layers, the upper, middle and lower layers, the upper layer of the frame 3 is installed with a main fan 2, a camera 14 and a cutting cylinder 4 from right to left, the middle layer of the frame 3 is installed with a conveyor belt 6, and the lower layer of the frame 3 is installed with a motor 9 and a secondary fan 7.

[0027] Preferably, a feeding roller 11 is rotatably installed in the feeding hopper 1, and the motor 9 drives the conveyor belt 6 and the feeding roller 11 in sequence.

[0028] Preferably, the air outlet of the main fan 2 is directly opposite to the lower outlet of the hopper 1, the camera 14 is connected to the signal input port of the controller 13, the control signal output port of the controller 13 is connected to the cutting cylinder 4, the telescopic end of the cutting cylinder 4 is fixedly equipped with a cutter for cutting the pepper stems, and a light strip 15 is arranged next to the camera 14.

[0029] Preferably, a fixing frame 5 is fixedly mounted on the frame 3 above the conveyor belt 6 , and a plurality of baffles 12 are obliquely mounted on the fixing frame 5 .

[0030] Preferably, four compartments are equidistantly arranged on the fixing frame 5, and two baffles 12 are installed in each compartment in an inverted figure eight shape. The inclined baffles can limit the direction of the pepper plants to be arranged in an orderly longitudinal direction, and a cutting cylinder 4 is installed directly above each compartment.

[0031] Preferably, two conveying rollers are rotatably installed on both sides of the middle layer of the frame 3, the conveyor belt 6 is installed on the two conveying rollers, the first sprocket 10 is installed on the conveying roller, the unloading roller 11 is connected to the second sprocket, the output shaft of the motor 9 is connected to the first sprocket 10 on the left through the first transmission chain 8, and the first sprocket 10 on the right is connected to the second sprocket through the second transmission chain.

[0032] Preferably, the lower port of the feed hopper 1 is directly opposite to the upper right side of the conveyor belt 6, and the air outlet of the secondary fan 7 is located at the lower left side of the conveyor belt 6. The secondary fan 7 can perform secondary air selection and cleaning of pepper plants.

[0033] When in use, the machine-picked peppers fall evenly to the right side of the conveyor belt 6 through the discharge roller 11 in the feed port 1, and are arranged in an orderly longitudinal direction under the action of the baffle 12. During the falling process of the peppers, the main fan 2 performs a primary air separation on the broken impurities contained in the machine-picked peppers. The motor 9 drives the conveyor belt 6 to move, and the peppers on the right side of the conveyor belt 6 are uniformly transported to the left. At this time, if the camera 14 located above the conveyor belt detects that there are green unbroken stems in a compartment, the controller 13 controls the cutting cylinder 4 to move quickly, accurately cut off the stems downward, and the conveyor belt 6 transports the peppers to the left, and falls at the end of the left end. The secondary fan 7 performs a secondary air separation to clean the impurities, completing the cleaning of the machine-picked peppers.

[0034] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any way. Any simple modification, change and equivalent change made to the above embodiment according to the essence of the utility model technology still falls within the protection scope of the technical solution of the utility model.

Claims

1. A device for cleaning peppers by machine picking based on machine vision, characterized in that: The machine comprises a frame (3), a hopper (1) is installed on one side of the top of the frame (3), the frame (3) is divided into three layers: an upper layer, a middle layer and a lower layer, the upper layer of the frame (3) is installed with a main fan (2), a camera (14) and a cut-off cylinder (4) in sequence in a direction away from the lower port of the hopper (1), the middle layer of the frame (3) is installed with a conveyor belt (6), and the lower layer of the frame (3) is installed with a motor (9) and a secondary fan (7); A feeding roller (11) is rotatably installed in the feeding hopper (1), and the motor (9) drives the conveyor belt (6) and the feeding roller (11) in sequence; The air outlet of the main fan (2) is directly opposite to the lower outlet of the hopper (1); the camera (14) is connected to the signal input port of the controller (13); the control signal output port of the controller (13) is connected to the cut-off cylinder (4); and a light strip (15) is arranged beside the camera (14); A fixing frame (5) is fixedly mounted on the frame (3) above the conveyor belt (6), and a plurality of baffles (12) are obliquely mounted on the fixing frame (5).

2. The device for cleaning peppers by machine picking based on machine vision according to claim 1 is characterized in that: The fixing frame (5) is provided with a plurality of compartments at equal intervals, two baffles (12) are installed in each compartment in an inverted figure eight shape, and a cut-off cylinder (4) is installed directly above each compartment.

3. The device for cleaning chili peppers by machine picking based on machine vision according to claim 2 is characterized in that: Two conveying rollers are rotatably mounted on both sides of the middle layer of the frame (3), the conveying belt (6) is mounted on the two conveying rollers, a first sprocket (10) is mounted on the conveying roller, a second sprocket is connected to the unloading roller (11), an output shaft of the motor (9) is connected to one of the first sprockets (10) via a first transmission chain (8), and the other first sprocket (10) is connected to the second sprocket via a second transmission chain.

4. The device for cleaning chili peppers by machine picking based on machine vision according to claim 3 is characterized in that: The lower port of the feed hopper (1) is located above one side of the conveyor belt (6), and the air outlet of the secondary fan (7) is located below the other side of the conveyor belt (6).

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