Classification screening device for green tobacco leaves

Abstract

The utility model discloses a green tobacco leaf classifying and screening device which comprises a supporting table, an identification control mechanism, a first conveying assembly and a second conveying assembly are arranged on the supporting table, the first conveying assembly and the second conveying assembly are arranged at intervals, and the identification control mechanism comprises a controller, a color identification sensor, a first motor and a vertical plate with a through groove. The color recognition sensor is arranged above the first conveying assembly and used for recognizing the tobacco leaves on the first conveying assembly. The controller communicates with the color recognition sensor and the first motor, the first motor is connected with the vertical plate, the controller controls the first motor to drive the vertical plate to move up and down, and classified transportation of the tobacco leaves is achieved. According to the utility model, the identification and screening of green tobacco leaves mixed in normal tobacco leaves are realized through the identification control mechanism, and the tobacco leaves are respectively screened according to different green content degrees, so that the screening accuracy is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tobacco leaf processing equipment, and specifically, it is a classification and screening device for green tobacco leaves. Background Art

[0002] Tobacco leaves are annual or limited perennial herbs, belonging to the Solanaceae family. The plants are covered with glandular hairs, the stem height is 0.7 - 2 meters, and the petiole is not obvious or forms a winged petiole;

[0003] In the processes of tobacco leaf production, harvesting, transportation, baking, grading, etc., sundries (such as metals, feathers, nylon ropes, weeds, etc.) will be mixed in. Therefore, in the re-drying factory, tobacco leaves need to be sorted to pick out the sundries; when processing tobacco leaves, the tobacco leaves are placed on a conveyor belt, and the conveyor belt drives the tobacco leaves to move, and the sundries inside the tobacco leaves are screened out to screen the tobacco leaves.

[0004] However, when the existing screening device screens tobacco leaves, when identifying the green tobacco leaves mixed inside the normal tobacco leaves, it is unable to screen out the green tobacco leaves inside the normal tobacco leaves, thus reducing the practicability of the existing screening device. Content of the Utility Model

[0005] Aiming at the deficiencies of the prior art, the utility model provides a classification and screening device for green tobacco leaves, which solves the technical problem that when the existing screening device screens tobacco leaves, it is unable to screen out the green tobacco leaves inside the normal tobacco leaves when identifying the green tobacco leaves mixed inside the normal tobacco leaves.

[0006] The utility model solves the above problems through the following technical solutions:

[0007] A classification and screening device for green tobacco leaves includes a support table, on which an identification and control mechanism, and a first conveyor component and a second conveyor component arranged at intervals are provided.

[0008] The identification and control mechanism includes a controller, a color recognition sensor, a first motor, and a vertical plate with a through groove. The color recognition sensor is arranged above the first conveyor component and is used to identify the tobacco leaves on the first conveyor component; the controller is in communication with the color recognition sensor and the first motor respectively, and the first motor is connected to the vertical plate. The controller controls the first motor to drive the vertical plate to move up and down to realize the classified transportation of the tobacco leaves.

[0009] When the vertical plate moves upward, the tobacco leaves fall between the first conveyor component and the second conveyor component; when the vertical plate moves downward, the vertical plate overlaps and communicates with the first conveyor component and the second conveyor component, and the tobacco leaves are transported from the first conveyor component to the second conveyor component through the through groove.

[0010] As a further improvement thereof, the recognition control mechanism further includes a turntable and a connecting column. The turntable is connected to the output shaft of the first motor. The upper end of the connecting column is rotatably connected to the turntable through a pin shaft, and the lower end is connected with a vertical plate, so as to drive the turntable to rotate through the first motor and drive the vertical plate to move up and down.

[0011] As a further improvement thereof, the lower end of the connecting column is connected with a cross column through a pin shaft. The vertical plate is connected to the middle of the cross column. Both ends of the cross column are connected with fixed telescopic rods, so as to guide and limit the cross column and the vertical plate through the telescopic rods.

[0012] As a further improvement thereof, guide plates are fixedly arranged on both sides of the vertical plate. The guide plates are arranged to adapt to the interval between the first conveying component and the second conveying component.

[0013] As a further improvement thereof, a housing is arranged on the support platform. One ends of the recognition control mechanism, the first conveying component and the second conveying component are arranged in the housing.

[0014] As a further improvement thereof, a mounting rack for mounting the controller and the color recognition sensor is arranged in the housing.

[0015] As a further improvement thereof, both the first conveying component and the second conveying component are provided with support columns, conveying rollers and conveyor belts. The bottom of the support column is fixed to the top of the support platform, and the inner wall of the support column rotatably connects the conveying rollers. The conveyor belt is rotatably connected between the two conveying rollers, and the tobacco leaves are conveyed through the conveyor belt.

[0016] As a further improvement thereof, an opening is arranged on the support platform between the first conveying component and the second conveying component, and a plurality of collecting grooves are movably arranged below the opening.

[0017] As a further improvement thereof, a curved plate is fixedly connected to the bottom of the support platform. A second motor communicated with the controller is fixed to one side of the curved plate. The second motor is fixedly connected with a lead screw. The outer wall of the lead screw is threadedly connected with not less than two lead screw nuts. The bottom of the lead screw nut is slidably clamped to the inner wall of the curved plate, so that the second motor drives the lead screw to drive the lead screw nut to move; a placing plate is fixedly connected to the top of the lead screw nut, and a plurality of the collecting grooves are arranged on the placing plate.

[0018] As a further improvement thereof, a slider is connected to the bottom of the collecting groove, and the slider is slidably clamped in the placing plate.

[0019] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0020] (1) The classification and screening device of the present utility model realizes the identification of the green tobacco leaves mixed inside the normal tobacco leaves through the cooperation among the controller, the color recognition sensor, the first motor, the turntable, the connecting column, the cross column, the vertical plate and the through groove, and screens out the green tobacco leaves, solving the problem that the existing screening device cannot screen out the green tobacco leaves mixed inside the normal tobacco leaves when identifying the green tobacco leaves, thereby improving the practicability of the screening device.

[0021] (2) The classification and screening device of the present utility model realizes the screening of tobacco leaves according to different green contents through the cooperation among the curved plate, the second motor, the lead screw, the lead screw nut, the placement plate, the slider and the collection tank, solving the problem that when screening the tobacco leaves, the screened green tobacco leaves are all piled up together and cannot screen the tobacco leaves according to different green contents, and improving the accuracy of screening. Description of the Drawings

[0022] Figure 1 is a schematic structural view of a classification and screening device for green tobacco leaves of the present utility model;

[0023] Figure 2 is a three-dimensional schematic view of a classification and screening device for green tobacco leaves of the present utility model;

[0024] Figure 3 is a schematic view of the cooperation among the outer shell, the second conveying component and the support platform of the present utility model;

[0025] Figure 4 is a schematic view of the cooperation among the turntable, the telescopic rod and the vertical plate of the present utility model;

[0026] Figure 5 is a schematic view of the cooperation among the lead screw, the lead screw nut and the collection tank of the present utility model.

[0027] Reference Numerals: 1, support platform; 2, first conveying component; 3, second conveying component; 4, outer shell; 5, mounting rack; 6, controller; 7, color recognition sensor; 8, first motor; 9, turntable; 10, connecting column; 11, cross column; 12, vertical plate; 13, through groove; 14, telescopic rod; 15, guide plate; 16, curved plate; 17, second motor; 18, lead screw; 19, lead screw nut; 20, placement plate; 21, slider; 22, collection tank. Detailed Embodiments

[0028] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts belong to the scope of protection of the present invention.

[0029] When the existing screening device screens tobacco leaves, since it is unable to identify the green tobacco leaves mixed inside the normal tobacco leaves and cannot screen out the green tobacco leaves inside the normal tobacco leaves, the practicability of the existing screening device is reduced.

[0030] In view of this, the present invention provides a classification and screening device for tobacco leaves containing green tobacco leaves. Through the cooperation among a controller, a color recognition sensor, a first motor, a turntable, a connecting column, a cross column, a vertical plate and a through groove, the green tobacco leaves mixed inside the normal tobacco leaves are identified and the green tobacco leaves are screened out.

[0031] By those skilled in the art, the electrical components in this case are connected to their adapted power supplies through wires, and appropriate controllers and encoders should be selected according to the actual situation to meet the control requirements. For the specific connection and control sequence, reference should be made to the working principle, and the electrical connection should be completed according to the sequence of the electrical components working successively. The detailed connection means are well-known techniques in the art. The following mainly introduces the working principle and process, and no further description of the electrical control will be made.

[0032] Embodiment 1:

[0033] Referring to the attached Figures 1-4 , a classification and screening device for tobacco leaves containing green tobacco leaves in this embodiment includes a support table 1. An identification and control mechanism, as well as a first conveying component 2 and a second conveying component 3 arranged at intervals, are provided on the support table.

[0034] The identification and control mechanism includes a controller 6, a color recognition sensor 7, a first motor 8 and a vertical plate 12 with a through groove. The color recognition sensor 7 is arranged above the first conveying component and is used to identify the tobacco leaves on the first conveying component; the controller is in communication with the color recognition sensor 7 and the first motor 8 respectively. The first motor 8 is connected to the vertical plate 12, and the controller controls the first motor to drive the vertical plate 12 to move up and down to realize the classified transportation of the tobacco leaves.

[0035] When the vertical plate moves upward, the tobacco leaves fall between the first conveying component and the second conveying component 3.

[0036] When the vertical plate moves downward, the vertical plate 12 is lapped and connected between the first conveying component 2 and the second conveying component 3, and the tobacco leaves are transmitted from the first conveying component to the second conveying component through the through groove.

[0037] Specifically, a housing 4 is fixedly connected to the top of the support platform 1. A first conveying assembly 2 is installed on the top of the support platform 1. The first conveying assembly 2 includes a first support column, a first conveying roller and a first conveyor belt. The bottom of the first support column is fixedly connected to the top of the support platform 1. A first conveying roller is rotatably connected to the inner wall of the first support column. A first conveyor belt is rotatably connected between the two first conveying rollers. Start the external motor of the first conveying roller to drive the first conveyor belt to rotate. A second conveying assembly 3 is also installed on the top of the support platform 1. The second conveying assembly 3 includes a second support column, a second conveying roller and a second conveyor belt. The bottom of the second support column is fixedly connected to the top of the support platform 1. A second conveying roller is rotatably connected to the inner wall of the second support column. A second conveyor belt is rotatably connected between the two second conveying rollers. Start the external motor of the second conveying roller to drive the second conveyor belt to rotate. The staff spreads the tobacco leaves flat on the surface of the first conveying assembly 2 and starts the first conveying assembly 2. The first conveying assembly 2 drives the tobacco leaves to move, and the tobacco leaves enter the interior of the housing 4 through the left end opening of the housing 4. An identification and control mechanism is arranged inside the housing 4. The identification and control mechanism includes a controller 6, a color identification sensor 7, a first motor 8, a turntable 9, a connecting column 10, a cross column 11, a vertical plate 12 and a through groove 13; the controller 6 and the color identification sensor 7 are respectively arranged inside the housing 4. Start the color identification sensor 7 and the controller 6. The color identification sensor 7 takes pictures of the tobacco leaves. It is a sensor that compares the color of an object with a previously taught reference color to detect the color. When the two colors match within a certain error range, the detection result is output; when green tobacco leaves are detected, the color identification sensor 7 transmits the signal to the controller 6. The controller 6 connects the first motor 8 to an external power supply. The models of the controller 6 and the color identification sensor 7 are selected according to actual needs to meet the work requirements. The first motor 8 is fixedly connected to the top inner wall of the housing 4 through a motor sleeve. The model of the first motor 8 is selected according to actual needs to meet the work requirements. The output shaft of the first motor 8 is fixedly connected to a turntable 9. The first motor 8 drives the turntable 9 to rotate. The lower part of the turntable 9 is rotatably connected to a connecting column 10 through a pin shaft. The turntable 9 drives the connecting column 10 to move. The bottom of the connecting column 10 is rotatably connected to a cross column 11 through a pin shaft. The connecting column 10 drives the cross column 11 to rise. The bottom of the cross column 11 is fixedly connected to a vertical plate 12. The cross column 11 drives the vertical plate 12 to move. A through groove 13 is opened at the top inner wall of the vertical plate 12. The vertical plate 12 drives the through groove 13 to move, and moves the vertical plate 12 out of the gap between the first conveying assembly 2 and the second conveying assembly 3. At this time, the first conveying assembly 2 drives the green tobacco leaves to move, and the green tobacco leaves fall out through the opening in the middle position of the support platform 1, completing the identification and screening of the green tobacco leaves mixed in the normal tobacco leaves.

[0038] Further, in this embodiment, a telescopic rod 14 is fixedly connected to the top of the horizontal column 11. When the horizontal column 11 moves, the horizontal column 11 drives the telescopic rod 14 to move to guide the horizontal column 11. The top of the telescopic rod 14 is fixedly connected to the top inner wall of the housing 4.

[0039] Guide plates 15 are fixedly connected to both sides of the vertical plate 12. The guide plates are arranged to adapt to the interval between the first conveying assembly and the second conveying assembly. The guide plates include a left-end guide plate and a right-end guide plate that are respectively close to the first conveying assembly or the second conveying assembly. When normal tobacco leaves move, the first conveying assembly 2 drives the tobacco leaves to move. The tobacco leaves move onto the left-end guide plate, then enter the through groove 13 inside the vertical plate 12, then move onto the right-end guide plate, and finally move onto the second conveying assembly 3. The second conveying assembly 3 drives the normal tobacco leaves to move to the next process. The guide plates 15 can guide the tobacco leaves to prevent the tobacco leaves from getting stuck in the gap between the first conveying assembly 2 and the vertical plate 12.

[0040] Optionally, a mounting frame 5 is fixedly connected to the top inner wall of the housing 4. The top of the mounting frame 5 is fixedly connected to the outer wall of the controller 6, and the bottom of the mounting frame 5 is fixedly connected to the outer wall of the color recognition sensor 7. The mounting frame 5 supports the controller 6 and the color recognition sensor 7, installs the controller 6 and the color recognition sensor 7 inside the housing 4, and makes the color recognition sensor 7 located above the movement of the tobacco leaves.

[0041] In the specific implementation process, it is particularly worth noting that the staff spreads the tobacco leaves flat on the surface of the first conveying component 2, starts the first conveying component 2, and the first conveying component 2 drives the tobacco leaves to move. The tobacco leaves enter the interior of the housing 4 through the left-end opening of the housing 4. At this time, the color recognition sensor 7 and the controller 6 are started. The color recognition sensor 7 takes pictures of the tobacco leaves. When green tobacco leaves are detected, the color recognition sensor 7 transmits a signal to the controller 6. The controller 6 connects the first motor 8 to an external power source. The first motor 8 drives the turntable 9 to rotate. The turntable 9 drives the connecting column 10 to move. The connecting column 10 drives the cross column 11 to rise. The cross column 11 drives the telescopic rod 14 to move to guide the cross column 11. The cross column 11 drives the vertical plate 12 to move. The vertical plate 12 drives the through groove 13 to move, and the vertical plate 12 is moved out of the gap between the first conveying component 2 and the second conveying component 3. At this time, the first conveying component 2 drives the green tobacco leaves to move. The green tobacco leaves fall out through the opening in the middle position of the support table 1, completing the identification and screening of the green tobacco leaves mixed in the normal tobacco leaves. After that, the first motor 8 rotates in the reverse direction, driving the vertical plate 12 back to the initial position, and the first motor 8 is stopped. When no green tobacco leaves are detected, the first conveying component 2 drives the tobacco leaves to move. The tobacco leaves move onto the left-end guide plate 15, then enter the through groove 13 inside the vertical plate 12, then move onto the right-end guide plate 15, and finally move onto the second conveying component 3. The second conveying component 3 drives the normal tobacco leaves to the next process.

[0042] Embodiment 2:

[0043] Referring to Appendices Figure 1 、 2 3 and 5, on the basis of Embodiment 1, in this embodiment, a curved plate 16 is fixedly connected to the bottom of the support table 1 of a classification and screening device for tobacco leaves containing green tobacco leaves. A second motor 17 is fixedly connected to one side of the curved plate 16. The model of the second motor 17 is selected according to actual needs to meet the work requirements. The output shaft of the second motor 17 is fixedly connected to a lead screw 18. The second motor 17 drives the lead screw 18 to rotate. Both ends of the lead screw 18 rotate on the inner wall of the curved plate 16 through bearings. A lead screw nut 19 is threadedly connected to the outer wall of the lead screw 18. The lead screw 18 drives the lead screw nut 19 to move. The bottom of the lead screw nut 19 is slidably clamped on the inner wall of the curved plate 16. The two lead screw nuts 19 slide in the chute at the bottom of the inner wall of the curved plate 16. The top of the lead screw nut 19 is fixedly connected to a placement plate 20. The two lead screw nuts 19 drive the placement plate 20 to move. A collection groove 22 is arranged on the top of the placement plate 20, so that the placement plate 20 drives the collection groove 22 to move.

[0044] In the specific implementation process, it is particularly worth noting that when screening tobacco leaves, when a pair of tobacco leaves with green veins is identified, the controller 6 controls the second motor 17, and at the same time connects the second motors 17 on both sides to an external power supply. The second motor 17 drives the lead screw 18 to rotate, and the lead screw 18 drives the lead screw nut 19 to move. The lead screw nuts 19 on both sides slide in the chute at the bottom of the inner wall of the curved plate 16. The lead screw nuts 19 on both sides drive the placement plate 20 to move, and the placement plate 20 drives the collection tank 22 to move, moving the left-end collection tank 22 directly below the opening in the middle of the support platform 1. At this time, a pair of tobacco leaves with green veins enter the left-end collection tank 22; after completion, the second motors 17 on both sides are stopped simultaneously. When two pairs of tobacco leaves with green veins are identified, the moving mechanism is started, driving the collection tank 22 in the middle position to move directly below the opening in the middle of the support platform 1. At this time, two pairs of tobacco leaves with green veins enter the middle collection tank 22. When three pairs of tobacco leaves with green veins are identified, the moving mechanism is started, driving the collection tank 22 at the right-end position to move directly below the opening in the middle of the support platform 1. At this time, three pairs of tobacco leaves with green veins enter the right-end collection tank 22, realizing the screening of tobacco leaves separately according to different degrees of greenness.

[0045] Optionally, a slider 21 is fixedly connected to the bottom of the collection tank 22, and the outer wall of the slider 21 is slidably clamped in the inner wall of the placement plate 20. When the collection tank 22 is full, the staff pulls the collection tank 22, and the collection tank 22 drives the slider 21 to move. The slider 21 slides in the limit groove on the inner wall of the placement plate 20, removing the collection tank 22 for cleaning. After cleaning, the staff aligns the slider 21 at the bottom of the collection tank 22 with the limit groove and pushes the collection tank 22 into the placement plate 20, facilitating the staff to take the collection tank 22.

[0046] Although the present invention has been described herein with reference to its illustrative embodiments, the above embodiments are only the preferred embodiments of the present invention. The embodiments of the present invention are not limited by the above embodiments. It should be understood that those skilled in the art can design many other modifications and embodiments, which will fall within the scope and spirit of the principles disclosed in this application.

Claims

1. A classification and screening device for green tobacco leaves, characterized in that: The invention comprises a support platform, on which an identification control mechanism and a first transmission component and a second transmission component are arranged at intervals. The identification control mechanism includes a controller, a color identification sensor, a first motor and a vertical plate with a through slot. The color identification sensor is arranged above the first conveying assembly and is used to identify the tobacco leaves on the first conveying assembly. The controller communicates with the color identification sensor and the first motor respectively. The first motor is connected to the vertical plate. The controller controls the first motor to drive the vertical plate to move up and down to realize the classified transportation of the tobacco leaves. When the vertical plate moves upward, the tobacco leaves fall between the first conveying assembly and the second conveying assembly; when the vertical plate moves downward, the vertical plate overlaps and connects between the first conveying assembly and the second conveying assembly, and transfers the tobacco leaves from the first conveying assembly to the second conveying assembly through the through groove.

2. A classification and screening device for green tobacco leaves according to claim 1, characterized in that: The identification control mechanism also includes a turntable and a connecting column. The turntable is connected to the output shaft of the first motor. The upper end of the connecting column is rotatably connected to the turntable through a pin shaft, and the lower end is connected to a vertical plate, so that the turntable is driven to rotate by the first motor and the vertical plate is driven to move up and down.

3. A classification and screening device for green tobacco leaves according to claim 2, characterized in that: The lower end of the connecting column is connected to a horizontal column through a pin shaft, the vertical plate is connected to the middle of the horizontal column, and fixed telescopic rods are connected to both ends of the horizontal column to guide and limit the horizontal column and the vertical plate through the telescopic rods.

4. The classification and screening device for green tobacco leaves according to claim 1, characterized in that: Material guide plates are fixedly arranged on both sides of the vertical plate, and the material guide plates are adapted to the interval arrangement between the first conveying component and the second conveying component.

5. A classification and screening device for green tobacco leaves according to any one of claims 1 to 4, characterized in that: The support platform is provided with a shell, and the identification control mechanism, and one end of the first transmission component and the second transmission component are arranged in the shell.

6. A classification and screening device for green tobacco leaves according to claim 5, characterized in that: A mounting frame for mounting the controller and the color recognition sensor is arranged in the shell.

7. The classification and screening device for green tobacco leaves according to claim 5, characterized in that: The first conveying assembly and the second conveying assembly are both provided with a support column, a conveying roller and a conveyor belt. The bottom of the support column is fixed to the top of the support platform, and the inner wall of the support column is rotatably connected to the conveying roller. The two conveying rollers are rotatably connected to the conveyor belt, and the tobacco leaves are transported through the conveyor belt.

8. The classification and screening device for green tobacco leaves according to claim 1, characterized in that: The support platform between the first conveying assembly and the second conveying assembly is provided with an opening, and a plurality of collecting troughs are movably provided below the opening.

9. A classification and screening device for green tobacco leaves according to claim 8, characterized in that: The bottom of the support platform is fixedly connected to a curved plate, one side of the curved plate is fixed to a second motor that communicates with the controller, the second motor is fixedly connected to a lead screw, the outer wall of the lead screw is threadedly connected to no less than two lead screw nuts, the bottom of the lead screw nut is slidably connected to the inner wall of the curved plate, so that the second motor drives the lead screw to drive the lead screw nut to move; The top of the lead screw nut is fixedly connected with a placing plate, and a plurality of collecting grooves are arranged on the placing plate.

10. A classification and screening device for green tobacco leaves according to claim 9, characterized in that: The bottom of the collecting tank is connected with a sliding block, and the sliding block is slidably engaged in the placing plate.

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