A tobacco leaf picking device

By designing a tobacco leaf picking device and using a fixed frame, conveyor belt and guide mechanism, the problem of tobacco leaves falling and breaking during machine harvesting is solved, and the harvesting quality and yield of tobacco leaves are improved.

CN119522721BActive Publication Date: 2025-10-24JIANGSU YUNMA AGRI MACHINERY
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Patent Information

Application Number
CN202411821252.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2025-10-24
Estimated Expiration
2044-12-11

AI Technical Summary

Technical Problem

During the machine harvesting process, tobacco leaves are prone to falling or sliding through the gaps between the frames and are easily broken, affecting the quality and yield of the tobacco leaves.

Method used

A tobacco leaf picking device is designed, which includes a fixed frame, a picking mechanism, track wheels, a base frame, a conveyor belt and a collection frame. By adjusting the angle of the base frame and setting rollers and guide mechanisms, the tobacco leaves can be prevented from falling and breaking, thereby improving transportation efficiency.

Benefits of technology

It effectively prevents tobacco leaves from falling and sliding through the gaps in the bottom frame, reduces breakage and damage, and improves the harvesting quality and yield of tobacco leaves.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application provides a tobacco leaf picking device, which comprises a fixing frame, a picking mechanism, a caterpillar wheel, a chassis, a first conveying belt, a second conveying belt, a third conveying belt and a collecting frame. The picking mechanism picks tobacco leaves from plants, the first conveying belt on the chassis sends the tobacco leaves to the side, and the second conveying belt and the third conveying belt clamp the tobacco leaves and transport them upward to the top of the fixing frame, and then the tobacco leaves fall into the collecting frame. The present application has the advantages of improving the picking quality and yield of tobacco leaves.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of tobacco harvesting, in particular to a tobacco picking device. BACKGROUND

[0002] Tobacco is an important economic crop in China's national economy. In the prior art, tobacco often falls from the gap between the chassis during mechanical harvesting or slides from the rear end of the chassis, and the tobacco itself is wide and brittle, which is easy to break and damage during upward transportation, seriously affecting the quality and yield of tobacco.

[0003] Therefore, it is necessary to provide a new technical solution. SUMMARY

[0004] To solve the technical problems existing in the prior art, the present application discloses a tobacco picking device, and the specific technical solutions are as follows:

[0005] The present application provides a tobacco picking device, which comprises a fixed frame, a picking mechanism, a track wheel, a chassis, a first conveyor belt, a second conveyor belt, a third conveyor belt and a collection frame,

[0006] The picking mechanism removes tobacco from the plant, and the first conveyor belt on the chassis transports the tobacco to the side edge, which is clamped by the second conveyor belt and the third conveyor belt and transported upward to the top of the fixed frame, and then falls into the collection frame.

[0007] Further, the fixed frame is H-shaped, the bottom of the two sides of the fixed frame is respectively connected and fixed with the track wheel, and the bottom of the two sides of the fixed frame is inwardly extended to form a fixed seat,

[0008] The picking mechanism is pivotally connected to the lower end of the top center of the fixed frame,

[0009] The collection frame is respectively fixed on the two sides of the top of the fixed frame,

[0010] The chassis is respectively fixed on the fixed seat,

[0011] The first conveyor belt is wrapped on the surface of the chassis, and the tobacco falling from the picking mechanism is transported to the side edge of the fixed frame,

[0012] The second conveyor belt is vertically fixed on the side edge of the fixed frame, and the bottom of the second conveyor belt is close to the outer end of the first conveyor belt,

[0013] The third conveying belt is vertically fixed on the fixed frame inside the second conveying belt, the bottom of the third conveying belt is higher than the bottom of the second conveying belt, the top of the third conveying belt is lower than the top of the second conveying belt, and the gap between the third conveying belt and the second conveying belt carries the tobacco leaves upwards to the top, and then the tobacco leaves fall into the collecting frame through the top of the third conveying belt.

[0014] Further, the outer side of the fixed seat is provided with a connecting hole, and the inner side of the fixed seat is provided with an arc-shaped hole,

[0015] The side of the chassis is provided with a first connecting shaft and a second connecting shaft, the first connecting shaft passes through the connecting hole and the fixed seat and is pivotally connected, the second connecting shaft is movably arranged in the arc-shaped hole, the second connecting shaft is provided with threads, and the second connecting shaft is fixed on the fixed seat by cooperating with a nut, and the turning angle of the chassis can be adjusted by adjusting the position of the second connecting shaft in the arc-shaped hole.

[0016] Further, a first baffle is arranged between the outer end of the first conveying belt and the bottom of the second conveying belt, the first baffle is fixed on the fixed frame, and the first baffle forms an angle of 45° with the horizontal direction.

[0017] Further, the opposite ends of the two inner sides of the chassis are pivotally provided with rollers, the rollers are provided with a plurality of supporting strips, the supporting strips in each row are arranged at intervals, the supporting strips on the two rollers are arranged in a staggered manner, and the rollers sweep the tobacco leaves in the middle to both sides through the supporting strips when rotating.

[0018] Further, the supporting strips on the two rollers are elastic, and the end portions of the supporting strips on both sides overlap each other without leaving gaps.

[0019] Further, the chassis is provided with a first guide mechanism on the front end side of the chassis in the advancing direction, and the chassis is provided with a second baffle on the rear end side of the chassis in the advancing direction,

[0020] The first guide mechanism is horizontally extended forward in a sharp angle shape, and the first guide mechanism is respectively close to the inner end of the side of the chassis,

[0021] The second baffle is vertically extended upward from the side of the chassis, and the second baffle is respectively close to the inner end of the side of the chassis, and the opposite sides of the two second baffles form a V-shaped shape.

[0022] Further, the picking mechanism is provided with a second guide mechanism, the second guide mechanism is respectively arranged on both sides of the picking mechanism, and front ends of the second guide mechanisms form a V-shaped included angle with each other, so that the tobacco leaves are folded onto the picking mechanism.

[0023] The present application has the following advantages:

[0024] 1. The tobacco picking device provided by the present application can flexibly adjust the gap width between the chassis by adjusting the angle of the chassis, so as to adapt to the harvesting of tobacco plants with different widths.

[0025] 2. The tobacco picking device provided by the present application is provided with a roller at the inner end of the chassis, and a plurality of support bars are arranged on the roller, and the support bars on both sides are arranged in an interlaced and overlapping manner to prevent the tobacco leaves from falling off from the gap of the chassis.

[0026] 3. The tobacco picking device provided by the present application is provided with a first guide mechanism and a second guide mechanism, and the V-shaped structure adopted thereon can effectively fold and collect the tobacco leaves, and prevent missing the plants.

[0027] 4. The tobacco picking device provided by the present application is provided with a first baffle and a second baffle, the first baffle reduces the right-angle dead angle between the two conveyors, which not only facilitates the transportation of tobacco leaves, but also prevents the tobacco leaves from being broken and damaged. The second baffle can prevent the tobacco leaves from sliding off from the rear end of the chassis, and the V-shaped structure arranged thereon is also convenient for the transportation of tobacco leaves.

[0028] 5. The tobacco picking device provided by the present application can effectively improve the harvesting quality and yield of tobacco leaves.

[0029] Additional aspects and advantages of the present application will be partially given in the following description, partially will become obvious from the following description, or will be understood by the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0030] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0031] Figure 1 is a perspective structural schematic view of the front of a tobacco picking device provided by an embodiment of the present application.

[0032] Figure 2 is a perspective structural schematic view of the back of a tobacco picking device provided by an embodiment of the present application.

[0033] In the drawings, the reference signs are:

[0034] The fixed frame 1, the picking mechanism 2, the crawler wheel 3, the chassis 4, the first conveying belt 5, the second conveying belt 6, the third conveying belt 7, the collecting frame 8, the fixed seat 11, the arc-shaped hole 12, the second guide mechanism 21, the roller 41, the supporting strip 411, the first guide mechanism 42, the second baffle 43. DETAILED DESCRIPTION

[0035] Embodiments of the present application are described in detail below with reference to examples illustrated in the accompanying drawings, in which the same or similar components or components having the same or similar functions are denoted by the same or similar reference numerals throughout. The embodiments described below by reference to the accompanying drawings are exemplary and are intended to explain the present application, and cannot be understood as limiting the present application.

[0036] In the description of the present application, it should be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise explicitly specified and limited.

[0037] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0038] The tobacco leaf picking device described in the present application, with reference to Figure 1 and Figure 2 It comprises a fixed frame 1, a picking mechanism 2, a crawler wheel 3, a chassis 4, a first conveying belt 5, a second conveying belt 6, a third conveying belt 7 and a collecting frame 8. The picking mechanism 2 picks the tobacco leaves from the plants, the first conveying belt 5 on the chassis 4 sends the tobacco leaves to the side, which is clamped by the second conveying belt 6 and the third conveying belt 7 and transported upward to the top of the fixed frame 1, and then falls into the collecting frame 8.

[0039] In one embodiment, the fixed frame 1 is H-shaped, the bottom of the two side edges of the fixed frame 1 is respectively connected and fixed with the track wheel 3, and the bottom of the two side edges of the fixed frame 1 is inwardly extended to form a fixed seat 11. The picking mechanism 2 is pivotally connected to the lower end of the top center of the fixed frame 1. The collecting frame 8 is respectively fixed to the two sides of the top of the fixed frame 1. The chassis 4 is respectively fixed to the fixed seat 11. The first conveying belt 5 is wrapped on the surface of the chassis 4, and the tobacco leaves falling from the middle of the picking mechanism 2 are conveyed to the side edge of the fixed frame 1. The second conveying belt 6 is vertically fixed on the side edge of the fixed frame 1, and the bottom of the second conveying belt 6 is close to the outer end of the first conveying belt 5. The third conveying belt 7 is vertically fixed on the fixed frame 1 inside the second conveying belt 6, the bottom of the third conveying belt 7 is higher than the bottom of the second conveying belt 6, the top of the third conveying belt 7 is lower than the top of the second conveying belt 6, and the gap between the third conveying belt 7 and the second conveying belt 6 carries the tobacco leaves upward to the top, and the tobacco leaves fall into the collecting frame 8 after passing through the top of the third conveying belt 7.

[0040] In one embodiment, the outer side of the fixed seat 11 is provided with a connecting hole, and the inner side of the fixed seat 11 is provided with an arc-shaped hole 12. The side edge of the chassis 4 is provided with a first connecting shaft and a second connecting shaft, the first connecting shaft passes through the connecting hole and the fixed seat 11 to be pivotally connected, the second connecting shaft is movably arranged in the arc-shaped hole 12, the second connecting shaft is provided with threads, and the second connecting shaft is fixed on the fixed seat 11 by cooperating with a nut, and the overturning angle of the chassis 4 can be adjusted by adjusting the position of the second connecting shaft in the arc-shaped hole 12.

[0041] In one embodiment, a first baffle (not shown) is arranged between the outer end of the first conveying belt 5 and the bottom of the second conveying belt 6, the first baffle is fixed on the fixed frame 1, and the first baffle forms an angle of 45° with the horizontal direction.

[0042] In one embodiment, the two ends of the two inner sides of the chassis 4 are pivotally provided with a roller 41, the roller 41 is provided with a plurality of rows of support strips 411, each row of support strips 411 is arranged at intervals, the support strips 411 on the two rollers 41 are arranged in a staggered manner, and the tobacco leaves in the middle are swept to both sides by the support strips 411 when the roller 41 rotates.

[0043] The support strips 411 on the two rollers 41 are elastic, and the ends of the support strips 411 on both sides overlap each other without leaving gaps.

[0044] In one embodiment, the bottom frame 4 is provided with a first guide mechanism 42 on the front end side in the advancing direction, and a second baffle 43 on the rear end side in the advancing direction. The first guide mechanism 42 horizontally extends forward in a sharp angle shape, and the first guide mechanism 42 is respectively close to the inner side end of the side of the bottom frame 4. The second baffle 43 vertically extends upward from the side of the bottom frame 4, and the second baffle 43 is respectively close to the inner side end of the side of the bottom frame 4, and the opposite sides of the two second baffles 43 form a V-shaped shape.

[0045] In one embodiment, the picking mechanism 2 is provided with a second guide mechanism 21, and the second guide mechanism 21 is respectively arranged on the two sides of the picking mechanism 2. The front ends of the second guide mechanisms 21 form a V-shaped included angle with each other, so as to fold the tobacco leaves onto the picking mechanism 2.

[0046] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example" or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, the person skilled in the art can combine and combine different embodiments or examples described in the present specification.

[0047] Although the embodiments of the present application have been shown and described above, it should be understood that the above-described embodiments are exemplary and should not be construed as limiting the present application, and those skilled in the art can make changes, modifications and variations to the above-described embodiments within the scope of the present application.

Claims

1. A tobacco leaf picking device characterized by, The device comprises a fixed frame, a picking mechanism, a caterpillar wheel, a chassis, a first conveyor belt, a second conveyor belt, a third conveyor belt and a collecting frame, The picking mechanism picks the tobacco leaves from the plants, the first conveyor belt on the chassis transports the tobacco leaves to the side, and the second and third conveyor belts clamp and transport the tobacco leaves upwards to the top of the fixed frame, and then the tobacco leaves fall into the collecting frame, The fixed frame is H-shaped, the bottom of the two sides of the fixed frame is connected with the caterpillar wheel, and the bottom of the two sides of the fixed frame extends inward to form a fixed seat, The picking mechanism is pivotally connected to the lower end of the center of the top of the fixed frame, The collecting frame is fixed to the two sides of the top of the fixed frame, The chassis is fixed to the fixed seat, The first conveyor belt is wrapped around the surface of the chassis to convey the tobacco leaves falling from the picking mechanism to the side of the fixed frame, The second conveyor belt is vertically fixed to the side of the fixed frame, and the bottom of the second conveyor belt is close to the outer end of the first conveyor belt, The third conveyor belt is vertically fixed to the fixed frame inside the second conveyor belt, the bottom of the third conveyor belt is higher than the bottom of the second conveyor belt, the top of the third conveyor belt is lower than the top of the second conveyor belt, and the gap between the third conveyor belt and the second conveyor belt transports the tobacco leaves upwards, and then the tobacco leaves fall into the collecting frame through the top of the third conveyor belt, The outer side of the fixed seat is provided with a connecting hole, and the inner side of the fixed seat is provided with an arc-shaped hole, The side of the chassis is provided with a first connecting shaft and a second connecting shaft, the first connecting shaft passes through the connecting hole and the fixed seat to be pivotally connected, the second connecting shaft is movably arranged in the arc-shaped hole, the second connecting shaft is provided with threads, the second connecting shaft is fixed to the fixed seat by cooperating with a nut, and the turning angle of the chassis can be adjusted by adjusting the position of the second connecting shaft in the arc-shaped hole, The two ends of the inner side of the two chassis are pivotally provided with rollers, the rollers are provided with a plurality of rows of support strips, the support strips in each row are arranged at intervals, the support strips on the two rollers are arranged staggered, and the rollers rotate to sweep the tobacco leaves in the middle to the two sides through the support strips, The support strips on the two rollers are elastic, and the end portions of the support strips on the two sides overlap each other without leaving a gap.

2. The tobacco leaf picking device of claim 1, wherein, A first baffle is arranged between the outer end of the first conveyor belt and the bottom of the second conveyor belt, the first baffle is fixed to the fixed frame, and the first baffle forms an angle of 45° with the horizontal direction.

3. The tobacco leaf picking device of claim 1, wherein, The chassis is provided with a first guide mechanism on the front end side of the chassis in the advancing direction, and is provided with a second baffle on the rear end side of the chassis in the advancing direction, The first guide mechanism horizontally extends forward in a sharp angle shape, and the first guide mechanism is close to the inner end of the side of the chassis, The second baffle vertically extends upward from the side of the chassis, and the second baffle is close to the inner end of the side of the chassis, and the opposite sides of the two second baffles form a V-shaped shape.

4. The tobacco leaf picking apparatus of claim 1, wherein, The picking mechanism is provided with a second guide mechanism, which is arranged on both sides of the picking mechanism, and the front ends of the second guide mechanisms form a V-shaped angle with each other to fold the tobacco leaves onto the picking mechanism.

Citation Information

Patent Citations

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