Field harvesting, tobacco weaving and transporting all-in-one machine with stems

By designing an integrated field-based tobacco harvesting, weaving, and transportation machine that combines harvesting, weaving, and transportation functions, the problems of low efficiency, numerous safety hazards, and declining tobacco quality associated with traditional methods have been solved, achieving efficient and safe tobacco processing.

CN224178687UActive Publication Date: 2026-05-01CNTC HUBEI PROVINCIAL TOBACCO CORP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CNTC HUBEI PROVINCIAL TOBACCO CORP
Filing Date
2024-11-08
Publication Date
2026-05-01

AI Technical Summary

Technical Problem

Traditional tobacco harvesting, transportation, and tobacco-making processes suffer from low efficiency, numerous safety hazards, and declining tobacco quality. In particular, during the harvesting and curing process with stems, multiple production steps lead to damage and uneven packing.

Method used

Design a field-mounted tobacco harvesting, weaving, and transporting machine that integrates harvesting, weaving, and transporting functions. It achieves automated harvesting and transport of tobacco plants through a cutting device, guide rod assembly, and needle rod, and uses a caster assembly to move the machine.

Benefits of technology

It simplifies the operation process, improves work efficiency, reduces safety hazards, and ensures the consistency and integrity of tobacco leaf quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a field with-stem harvesting, tobacco weaving and transporting all-in-one machine, which relates to the technical field of tobacco production and comprises a vehicle body, a universal wheel component, a shearing device, a guide rod group, a needle rod and a collecting box. A groove is formed in the front side face of the vehicle body and used for containing cut-off harvested materials. Universal wheel assemblies are installed at the bottom of the trolley body. The shearing device is installed at the bottom of the groove and used for shearing the stems of the tobacco plants. The guide rod set comprises a first guide rod and a second guide rod which extend in the front-back direction, and a gap is reserved between the first guide rod and the second guide rod. The front ends of the first guide rod and the second guide rod extend out of the groove, and the rear ends of the first guide rod and the second guide rod are located in the groove. The needle rod extends in the front-back direction and is located between the first guide rod and the second guide rod. The collection box is connected with the vehicle. Compared with the prior art, the harvesting, tobacco weaving and transporting all-in-one machine with the stems in the field integrates the functions of harvesting, tobacco weaving and transporting, the operation process is simplified, and the working efficiency is improved.
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Description

Technical Field

[0001] This utility model relates to the field of tobacco manufacturing technology, and in particular to an integrated machine for harvesting, weaving, and transporting tobacco with stems in the field. Background Technology

[0002] In recent years, some tobacco-growing areas have adopted a method of harvesting and curing the top 4-6 leaves with the stem in one go. Compared with the layered multiple harvesting technique, the phenomenon of green veins and ash on the tobacco leaves after curing with the stem is significantly reduced. One-time harvesting with the stem can improve the commercial grade and appearance quality of the cured tobacco leaves, improve the quality of tobacco leaves, increase the purchase grade of tobacco leaves, and increase the income of tobacco farmers. Therefore, curing with the stem has become one of the important technical means to improve the quality of the top tobacco leaves in tobacco-growing areas.

[0003] In my country's tobacco-growing areas, the harvesting of tobacco leaves with stems is mostly done manually using traditional knives. After harvesting, specialized personnel are needed to transport the harvested tobacco leaves to the field using tobacco bales or woven bags, and then to the curing barn, where they are bound together using tobacco stalks or clips. Traditional knife harvesting poses certain safety hazards, such as accidental injury from the knives. The traditional harvesting, transportation, and binding process is inefficient, and the multiple processes (harvesting, handling, and binding) lead to leaf damage. Furthermore, differences in the skill levels of different personnel during binding result in varying leaf loads on each stalk and hanging rod, leading to uneven packing density in the curing barn and a decline in the quality of the tobacco leaves after curing. Therefore, developing a mechanized integrated system for harvesting the upper leaves with stems, field handling, and binding is crucial for improving efficiency, reducing safety hazards, and enhancing tobacco quality. Utility Model Content

[0004] The purpose of this invention is to provide a field-based integrated machine for harvesting, weaving, and transporting tobacco with stems, which combines harvesting, weaving, and transporting functions to improve work efficiency.

[0005] To achieve the above objectives, this utility model provides the following solution:

[0006] This utility model discloses an integrated machine for harvesting, weaving, and transporting tobacco with stems in the field, comprising:

[0007] The vehicle body has a groove on its front side for receiving the cut harvested material, which includes tobacco stems and tobacco leaves connected to the tobacco stems;

[0008] The omnidirectional wheel assembly is installed at the bottom of the vehicle body, enabling the vehicle body to move forward.

[0009] A cutting device, installed at the bottom of the groove, is used to cut the stem of the tobacco plant to obtain the harvested material;

[0010] A guide rod assembly includes a first guide rod and a second guide rod extending in a front-rear direction, with a gap between the first guide rod and the second guide rod to accommodate the tobacco stem; the front ends of the first guide rod and the second guide rod extend out of the groove, and the rear ends of the first guide rod and the second guide rod are located in the groove, so that the harvested material can slide along the gap into the groove;

[0011] The needle bar extends in the front-to-back direction and is located between the first guide rod and the second guide rod, so that the tobacco stem is passed through the needle bar when it slides along the gap into the groove;

[0012] A collection box, connected to the vehicle body, is used to hold the needle rod filled with the harvested material.

[0013] Preferably, the integrated field harvesting, weaving, and transporting machine for tobacco with stems also includes a connector, wherein the rear ends of the first guide rod, the second guide rod, and the needle rod are all fixedly connected to the connector.

[0014] Preferably, the integrated field harvesting and transporting machine for tobacco with stems also includes a sealing component, which is connected to the front ends of the first guide rod and the second guide rod respectively, so as to seal the harvested material after the needle rod is fully pierced by the harvested material; the sealing component can be disassembled or moved so as to avoid the harvested material when the needle rod is not fully pierced by the harvested material.

[0015] Preferably, the collection box is detachably connected to the vehicle body, and the omnidirectional wheel assembly is installed at the bottom of the collection box.

[0016] Preferably, the vehicle body is provided with a first vertical tube, and the collection box is provided with a second vertical tube; the first vertical tube and the second vertical tube are aligned vertically and are passed through by the same positioning pin to connect the vehicle body and the collection box.

[0017] Preferably, the omnidirectional wheel assembly includes omnidirectional wheels and a telescopic device, with the lower end of the telescopic device connected to the omnidirectional wheels and the upper end of the telescopic device connected to the vehicle body or the collection box.

[0018] Preferably, the integrated field harvesting, weaving, and transporting machine for tobacco plants also includes a buckling device located above the cutting device, which is used to allow the tobacco plants to pass backward in one direction.

[0019] Preferably, a push handle is installed on the vehicle body.

[0020] Preferably, the upper end of the collection box is provided with an opening, and the needle bar overlaps the opening, so that the harvested material through which the needle bar passes is placed into the collection box in an upside-down manner.

[0021] Preferably, the opening has a recess to accommodate the needle bar.

[0022] This utility model achieves the following technical advantages compared to related technologies:

[0023] Starting with the outermost row of tobacco plants in a plantation, the machine is pushed forward with the groove facing the row of tobacco plants in front. The cutting device cuts the stems of the tobacco plants, yielding harvested material, which is located in the gap between the first and second guide rods. The machine continues to move forward, and another harvested material enters the gap, pushing the material behind it into the groove a short distance. As the harvested material slides backward along the gap, it is pierced by a needle bar, eventually filling the needle bar completely. The needle bar filled with harvested material is then removed and placed in the collection box. A new needle bar is placed in the groove, and the machine continues to move forward until the collection box is full. Once the collection box is full, it is transported to the curing barn for curing. In this process, the field-based tobacco harvesting, weaving, and transport machine integrates harvesting, weaving, and transport functions, simplifying the operation and improving work efficiency. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of this utility model or related technologies, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0025] Figure 1 This is a schematic diagram of an integrated field-harvesting, tobacco-weaving, and transporting machine according to an embodiment of the present invention;

[0026] Figure 2 This is a schematic diagram of a cigarette-making device;

[0027] Figure 3 This is a schematic diagram of the harvested materials.

[0028] In the diagram: 1-Push handle; 2-Universal wheel assembly; 3-Shearing device; 4-Snapping device; 5-Collection box; 6-Positioning pin; 7-First guide rod; 8-Needle rod; 9-Sealing component. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] The purpose of this invention is to provide a field-based integrated machine for harvesting, weaving, and transporting tobacco with stems, which combines harvesting, weaving, and transporting functions to improve work efficiency.

[0031] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0032] Reference Figures 1-3 This embodiment provides a field-based integrated machine for harvesting, weaving, and transporting tobacco with stems, including a vehicle body, a universal wheel assembly 2, a cutting device 3, a guide rod assembly, a needle rod 8, and a collection box 5.

[0033] The front side of the vehicle body has a groove for receiving the cut harvested material, including tobacco stems and tobacco leaves connecting the stems. A caster wheel assembly 2 is installed at the bottom of the vehicle body, allowing it to move forward. A cutting device 3 is installed at the bottom of the groove to cut the stems of the tobacco plants to obtain the harvested material. A guide rod assembly includes a first guide rod 7 and a second guide rod extending in a front-rear direction, with a gap between them to accommodate the tobacco stems. The front ends of the first and second guide rods extend out of the groove, while their rear ends are located within the groove, allowing the harvested material to slide along the gap into the groove. A needle rod 8 extends in a front-rear direction and is located between the first and second guide rods, allowing the tobacco stems to slide along the gap into the groove and be passed through by the needle rod 8. A collection box 5 is connected to the vehicle body and is used to hold the needle rod 8 filled with harvested material.

[0034] The working principle of the integrated field tobacco harvesting, weaving, and transportation machine in this embodiment is as follows:

[0035] Starting from the outermost row of tobacco plants in a plantation, the vehicle is pushed forward with the groove facing the row of tobacco plants in front. The cutting device 3 cuts the stems of the tobacco plants, yielding harvested material, which is located in the gap between the first guide rod 7 and the second guide rod. The vehicle continues to be pushed forward, and another harvested material enters the gap, pushing the harvested material behind it into the groove a short distance. As the harvested material slides backward along the gap, it is pierced by the needle rod 8 until the needle rod 8 is full of harvested material. The needle rod 8, now full of harvested material, is then removed and placed in the collection box 5. A new needle rod 8 is placed in the groove, and the vehicle continues to be pushed forward until the collection box 5 is full. Once the collection box 5 is full, it is transported to the curing barn for curing the harvested material. In this process, the field-based tobacco harvesting, weaving, and transporting machine integrates harvesting, weaving, and transport functions, simplifying the operation process and improving work efficiency.

[0036] It should be noted that when the cutting device 3 cuts the tobacco plant, the tobacco plant has not yet entered the groove. Therefore, the first guide rod 7 and the second guide rod need to extend forward a certain distance from the groove so that the tobacco stem is in the gap between the first guide rod 7 and the second guide rod when it is cut. This prevents the harvested material from falling over after cutting and allows the harvested material to slide backward and be guided into the groove.

[0037] As a possible example, in this embodiment, the integrated field tobacco harvesting and transport machine with stems also includes a connector, with the rear ends of the first guide rod 7, the second guide rod, and the needle rod 8 all fixedly connected to the connector. Exemplarily, the rear ends of the first guide rod 7, the second guide rod, and the needle rod 8 are all welded to the connector, forming an "E"-shaped structure.

[0038] That is, the first guide rod 7, the second guide rod, and the needle rod 8 are fixed relative to each other, forming an integral structure, which can be called a tobacco weaving support. After the needle rod 8 is fully threaded with the harvested material, the entire tobacco weaving support is transferred to the collection box 5. In addition to its connecting function, the connector also serves as a limit, restricting the maximum backward sliding position of the harvested material.

[0039] When the cigarette-making bracket is installed in the groove, the groove must at least support the cigarette-making bracket and limit its rear end. For example, the groove may have a first support area for supporting the first guide rod 7, a second support area for supporting the second guide rod, and an abutment area for abutting the connector. The first support area may be a groove on the left sidewall of the groove, and the second support area may be a groove on the right sidewall of the groove, serving both support and sliding guidance functions. The abutment area may be a buffer pad on the rear sidewall of the groove.

[0040] As a possible example, in this embodiment, the integrated field harvesting and transporting machine for tobacco with stems also includes a sealing component 9. The sealing component 9 is connected to the front ends of the first guide rod 7 and the second guide rod, respectively, to seal the harvested material after the needle rod 8 is fully pierced. The sealing component 9 can be disassembled or moved to avoid the harvested material when the needle rod 8 is not fully pierced. Exemplarily, the sealing component 9 is detachably connected to the front ends of the first guide rod 7 and the second guide rod by screws.

[0041] The integrated structure consisting of the tobacco weaving support and the sealing component 9 can be called a tobacco weaving device. After the needle bar 8 is fully threaded with the harvested material, the entire tobacco weaving device is transferred to the collection box 5.

[0042] As a possible example, in this embodiment, the collection box 5 is detachably connected to the vehicle body, and a caster wheel assembly 2 is installed at the bottom of the collection box 5. In use, one vehicle body can correspond to multiple collection boxes 5. When a collection box 5 is full, it is transported to the drying room, and the empty collection box 5 is connected to the vehicle body to continue collecting the harvested materials.

[0043] As a possible example, in this embodiment, the vehicle body is provided with a first vertical pipe, and the collection box 5 is provided with a second vertical pipe. The first and second vertical pipes are aligned vertically and are passed through by the same positioning pin 6 to connect the vehicle body and the collection box 5. This connection method has a simple structure and is relatively convenient for connection and separation operations. For example, the first and second vertical pipes are round or square steel pipes.

[0044] As a possible example, in this embodiment, the caster assembly 2 includes a caster wheel and a telescopic device. The lower end of the telescopic device is connected to the caster wheel, and the upper end of the telescopic device is connected to the vehicle body or collection box 5. The length of the telescopic device is adjustable, thereby changing the height of the cutting device 3 to achieve cutting of the tobacco plant at a preset height.

[0045] As a possible example, in this embodiment, the integrated field tobacco harvesting and transport machine with stems also includes a locking device 4. The locking device 4 is located above the cutting device 3 and is used to allow the tobacco plants to pass backward in one direction, preventing the harvested material from falling forward. Exemplarily, the locking device 4 includes an L-shaped swing block, a hinged vertical shaft, and a torsion spring. The right-angled side (vertically positioned) of the L-shaped swing block is rotatably connected to a groove via the hinged vertical shaft, and the torsion spring is mounted on the vertical shaft. When the L-shaped swing block swings backward, it can elastically return to its original position. When the L-shaped swing block swings forward, it contacts and limits its movement against the side wall of the groove, ensuring it can only swing backward to avoid the tobacco plants. The elasticity of the torsion spring should not be too large to allow the L-shaped swing block to rotate easily.

[0046] As a possible example, in this embodiment, a push handle 1 is installed on the vehicle body for manual gripping in order to adjust the vehicle's direction of travel.

[0047] As a possible example, in this embodiment, the upper end of the collection box 5 is provided with an opening, and the two ends of the needle bar 8 overlap the opening, so that the collected material through which the needle bar 8 passes is placed into the collection box 5 in an upside-down manner. In fact, in this embodiment, both ends of the entire cigarette-making device overlap the opening.

[0048] As one possible example, in this embodiment, a recessed area is provided at the opening to accommodate the needle bar 8. In fact, in this embodiment, the entire tobacco weaving device is embedded in the recessed area to keep the position of the harvested material stable in the collection box 5.

[0049] As a possible example, in this embodiment, the distance between two adjacent caster wheel assemblies 2 in the left-right direction is 1.1m to 1.3m. The locking device 4 is 6cm to 10cm lower than the lowest tobacco leaf of the harvested material. The collection box 5 is 1.3m to 1.4m high, 1.3m to 1.4m long, and 1.1m to 1.3m wide.

[0050] This utility model uses specific examples to illustrate its principles and implementation methods. The above description of the embodiments is only for the purpose of helping to understand the method and core idea of ​​this utility model. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the idea of ​​this utility model. In summary, the content of this specification should not be construed as a limitation of this utility model.

Claims

1. A field stem with tobacco harvesting and transporting integrated machine, characterized in that, include: The vehicle body has a groove on its front side for receiving the cut harvested material, which includes tobacco stems and tobacco leaves connected to the tobacco stems; The omnidirectional wheel assembly is installed at the bottom of the vehicle body, enabling the vehicle body to move forward. A cutting device, installed at the bottom of the groove, is used to cut the stem of the tobacco plant to obtain the harvested material; A guide rod assembly includes a first guide rod and a second guide rod extending in a front-rear direction, with a gap between the first guide rod and the second guide rod to accommodate the tobacco stem; the front ends of the first guide rod and the second guide rod extend out of the groove, and the rear ends of the first guide rod and the second guide rod are located in the groove, so that the harvested material can slide along the gap into the groove; The needle bar extends in the front-to-back direction and is located between the first guide rod and the second guide rod, so that the tobacco stem is passed through the needle bar when it slides along the gap into the groove; A collection box, connected to the vehicle body, is used to hold the needle rod filled with the harvested material.

2. The integrated field harvesting, weaving, and transporting machine for tobacco with stems as described in claim 1, characterized in that: It also includes a connector, and the rear ends of the first guide rod, the second guide rod and the needle bar are all fixedly connected to the connector.

3. The field stem-picking and bundled tobacco collecting and transporting all-in-one machine according to claim 2, characterized in that: It also includes a sealing component, which is connected to the front ends of the first guide rod and the second guide rod respectively, so as to seal the harvested material after the needle rod is fully pierced by the harvested material; the sealing component can be disassembled or moved so as to avoid the harvested material when the needle rod is not fully pierced by the harvested material.

4. The field with stem harvesting and transporting integrated machine according to claim 1, characterized in that: The collection box is detachably connected to the vehicle body, and the omnidirectional wheel assembly is installed at the bottom of the collection box.

5. The integrated field tobacco harvesting, weaving, and transport machine according to claim 4, characterized in that: The vehicle body is provided with a first vertical tube, and the collection box is provided with a second vertical tube; the first vertical tube and the second vertical tube are aligned vertically and are passed through by the same positioning pin to connect the vehicle body and the collection box.

6. The field with stem harvesting and bundled tobacco transporting integrated machine according to claim 4, characterized in that: The omnidirectional wheel assembly includes omnidirectional wheels and a telescopic device, with the lower end of the telescopic device connected to the omnidirectional wheels and the upper end of the telescopic device connected to the vehicle body or the collection box.

7. The integrated machine for harvesting, weaving, and transporting tobacco with stems in the field according to claim 1, characterized in that: It also includes a locking device located above the cutting device, used to allow the tobacco plant to pass backward in one direction.

8. The field with stem harvesting and bundled tobacco transporting integrated machine according to claim 1, characterized in that: A push handle is installed on the vehicle body.

9. The integrated machine for harvesting, weaving, and transporting tobacco with stems in the field according to claim 1, characterized in that: The upper end of the collection box is provided with an opening, and the needle bar overlaps the opening, so that the collected material through which the needle bar passes is placed into the collection box in an upside-down manner.

10. The field with stem harvesting and bundled tobacco transporting integrated machine according to claim 9, characterized in that: The opening has a recessed area to accommodate the needle bar.