Tobacco stem soil removing and conveying mechanism

Abstract

The utility model discloses a soil removing and conveying mechanism for tobacco stems, relates to the technical field of tobacco stem harvesting, and aims at solving the problem that in the prior art, when the tobacco stems are harvested, roots of the tobacco stems carry a large amount of soil, and soil loss is caused. A driving motor is arranged at the top of the frame; a transmission mechanism is rotationally connected to the part, on the left side of the driving motor, of the frame; a first gear is arranged on the left side of the transmission mechanism; a reversing mechanism is arranged on the part, on the left side of the transmission mechanism, of the frame; according to the tobacco stem conveying device, the upper pressing roller and the lower pressing roller rotate relatively, the upper pressing roller is provided with the sawtooth strip, in the tobacco stem conveying process, the sawtooth strip flaps tobacco stems, soil on the stems of the tobacco stems is scattered, and the tobacco stems are conveyed to the lower pressing roller through the sawtooth strip; the soil falls into the farmland through gaps among the soil screening rods.

Description

TECHNICAL FIELD

[0001] The utility model relates to tobacco stem harvesting technical field, concretely is a tobacco stem soil removal conveying mechanism. BACKGROUND

[0002] The tobacco stem harvesting time is usually after the tobacco leaf matures, and the specific time depends on the tobacco variety, the climate conditions of the planting area and the local agricultural practice, generally speaking, the tobacco leaf harvesting time is in summer or autumn, when the color of the tobacco leaf changes from green to yellow or brown, it indicates that the tobacco leaf has matured and can be harvested.

[0003] When the tobacco stem is dug out from the inside of the land, a large amount of soil will be carried on the root of the tobacco stem, if the soil is not cleaned in time, it will increase the transportation burden and also cause soil loss. UTILITY MODEL CONTENT

[0004] The technical problem to be solved by the utility model is to overcome the defects of the prior art and provide a tobacco stem soil removal conveying mechanism which can effectively solve the problems in the background art.

[0005] In order to achieve the above-mentioned purpose, the utility model discloses a tobacco stem soil removal conveying mechanism, which adopts the technical scheme of comprising a frame. The lower part of the inside of the frame is rotationally connected with a lower pressing roller, the lower pressing roller is designed as a hollow structure, the inside of the upper part of the frame is rotationally connected with an upper pressing roller, the upper pressing roller comprises a first rotating shaft, a sawtooth strip is arranged in an annular array on the first rotating shaft, the distance between the upper pressing roller and the lower pressing roller gradually decreases, a driving motor is arranged on the top of the frame, a transmission mechanism is rotationally connected to the frame on the left side of the driving motor, a first gear wheel is arranged on the left side of the transmission mechanism, a reversing mechanism is arranged on the frame on the left side of the transmission mechanism, a second gear wheel and a first sprocket are rotationally connected to the reversing mechanism, the second gear wheel is engaged with the first gear wheel, the driving motor drives the transmission mechanism to rotate, and the transmission mechanism drives the upper pressing roller and the lower pressing roller to rotate relatively.

[0006] As a preferred technical scheme of the utility model, adjusting grooves are formed in the two sides of the frame, bearing seats are arranged on the two sides of the upper pressing roller and the lower pressing roller, the upper pressing roller and the lower pressing roller are fixed to the inside of the adjusting grooves through the bearing seats, and the distance between the upper pressing roller and the lower pressing roller can be adjusted through the adjusting grooves.

[0007] As a preferred technical scheme of the utility model, the lower pressing roller comprises a second rotating shaft, support discs are arranged on the second rotating shaft, a plurality of support discs are arranged in an array on the second rotating shaft, soil sieving rods are arranged on the support discs, a plurality of soil sieving rods are arranged in an annular array on the support discs, and the soil scattered on the tobacco stem and rhizome falls from between the soil sieving rods to the farmland during the conveying process.

[0008] As a preferred technical solution of this utility model, there is a first double-layer sprocket on the second rotating shaft on the left side of the frame. The first double-layer sprockets are connected in pairs on the first layer by a chain. The other layer of the first double-layer sprocket is chain-driven with the first sprocket. The drive motor drives the transmission mechanism to rotate clockwise, and then the reversing mechanism reverses the direction of the lower pressure roller, so that the lower pressure roller rotates counterclockwise in the same direction.

[0009] As a preferred technical solution of this utility model, there is a second double-layer sprocket on the first rotating shaft on the right side of the frame. The second double-layer sprockets are connected in pairs on the first layer by a chain. The other layer of the second double-layer sprocket is chain-driven to the transmission mechanism. The drive motor drives the transmission mechanism to rotate clockwise. The transmission mechanism can drive the upper pressure roller to rotate clockwise in the same direction.

[0010] Compared with the prior art, the beneficial effects of this utility model are as follows: This utility model uses the upper pressure roller and the lower pressure roller to rotate relative to each other, and the upper pressure roller is provided with the serrated strip, while the lower pressure roller has a hollow design. When the tobacco rod is between the upper pressure roller and the lower pressure roller, the tobacco rod will be conveyed from left to right. During the conveying process, the serrated strip will beat the tobacco rod, causing the soil on the root of the tobacco rod to fall off. The soil falls into the farmland through the gaps between the soil screening rods. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the structure of the present utility model. Figure One ;

[0012] Figure 2 This is a schematic diagram of the structure of the present utility model. Figure Two ;

[0013] Figure 3 This is a cross-sectional view of the structure of this utility model;

[0014] Figure 4 This is a schematic diagram of the upper pressure roller structure of this utility model;

[0015] Figure 5 This is a schematic diagram of the lower pressure roller structure of this utility model;

[0016] Figure 6 This is a schematic diagram of the reversing mechanism of this utility model.

[0017] In the diagram: 1. Frame; 101. Adjustment groove; 2. Lower pressure roller; 201. Second rotating shaft; 202. Support plate; 203. Soil screening rod; 204. First double-layer sprocket; 3. Upper pressure roller; 301. First rotating shaft; 302. Sawtooth strip; 303. Second double-layer sprocket; 4. Transmission mechanism; 401. First gear; 5. Drive motor; 6. Reversing mechanism; 601. Second gear; 602. First sprocket. Detailed Implementation

[0018] 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. Example 1

[0019] like Figures 1 to 6 As shown, this utility model discloses a tobacco rod soil removal and conveying mechanism. The technical solution adopted includes a frame 1, with a lower pressure roller 2 rotatably connected to the lower part of the frame 1. The lower pressure roller 2 has a hollow design and includes a second rotating shaft 201. A support plate 202 is provided on the second rotating shaft 201. Multiple support plates 202 are arranged in an array on the second rotating shaft 201. Soil screening rods 203 are provided on the support plate 202. Multiple soil screening rods 203 are arranged in a ring array on the support plate 202. An upper pressure roller 3 is rotatably connected to the frame 1 above the lower pressure roller 2. Adjustment grooves 101 are opened on both sides of the frame 1. Bearing seats are provided on both sides of the upper pressure roller 3 and the lower pressure roller 2. The upper pressure roller 3 and the lower pressure roller 2 are fixed to the inside of the adjustment grooves 101 by the bearing seats. The upper pressure roller 3 includes a first rotating shaft 301. A second double-layer sprocket 303 is provided on the first rotating shaft 301 on the right side of the frame 1. The second double-layer sprockets 303 are connected by a chain. The first layer is connected in pairs. The second double-layer sprocket 303 is chain-driven to the transmission mechanism 4 on the other layer. The first rotating shaft 301 has a circular array of sawtooth strips 302. The distance between the upper pressure roller 3 and the lower pressure roller 2 gradually decreases. The top of the frame 1 has a drive motor 5. The transmission mechanism 4 is rotatably connected to the frame 1 on the left side of the drive motor 5. The left side of the transmission mechanism 4 has a first gear 401. The left side of the frame 1 on the transmission mechanism 4 has a reversing mechanism 6. The reversing mechanism 6 is rotatably connected to the second gear 601 and the first sprocket 602. The second gear 601 and the first gear 401 mesh. The second rotating shaft 201 on the outer left side of the frame 1 has a first double-layer sprocket 204. The first double-layer sprockets 204 are connected in pairs on the first layer by chains. The other layer of the first double-layer sprockets 204 is chain-driven to the first sprocket 602. The drive motor 5 drives the transmission mechanism 4 to rotate. The transmission mechanism 4 drives the upper pressure roller 3 and the lower pressure roller 2 to rotate relative to each other.

[0020] The working principle of this utility model is as follows: When the drive motor 5 is started, the drive motor 5 rotates counterclockwise, which drives the upper pressure roller 3 to rotate counterclockwise through the transmission mechanism 4. The other end of the transmission mechanism 4 drives the lower pressure roller 2 to rotate clockwise through the reversing mechanism 6. When the tobacco rod is between the upper pressure roller 3 and the lower pressure roller 2, the tobacco rod will be conveyed from left to right. During the conveying process, the sawtooth strip 302 will beat the tobacco rod, causing the soil on the root of the tobacco rod to fall off. The soil falls into the farmland through the gap between the soil screening rods 203.

[0021] The circuits and mechanical connections involved in this utility model are common practices used by those skilled in the art, and technical inspiration can be obtained through a limited number of experiments. They are common knowledge.

[0022] Components not described in detail in this article are existing technologies.

[0023] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A tobacco rod soil removal and conveying mechanism, comprising a frame (1), characterized in that: The lower pressure roller (2) is rotatably connected inside the frame (1). The lower pressure roller (2) has a hollow design. The upper pressure roller (3) is rotatably connected inside the frame (1) above the lower pressure roller (2). The upper pressure roller (3) includes a first rotating shaft (301). The first rotating shaft (301) has a circular array of sawtooth strips (302). The distance between the upper pressure roller (3) and the lower pressure roller (2) gradually decreases. The top of the frame (1) has a drive motor (5). The frame (1) is located to the left of the drive motor (5). A rotating connection transmission mechanism (4) is provided. The transmission mechanism (4) has a first gear (401) on its left side. A reversing mechanism (6) is provided on the frame (1) on the left side of the transmission mechanism (4). A second gear (601) and a first sprocket (602) are rotatably connected on the reversing mechanism (6). The second gear (601) and the first gear (401) mesh. The drive motor (5) drives the transmission mechanism (4) to rotate. The transmission mechanism (4) drives the upper pressure roller (3) and the lower pressure roller (2) to rotate relative to each other.

2. The tobacco rod soil removal and conveying mechanism according to claim 1, characterized in that: The frame (1) has adjustment grooves (101) on both sides. The upper pressure roller (3) and the lower pressure roller (2) have bearing seats on both sides. The upper pressure roller (3) and the lower pressure roller (2) are fixed to the inside of the adjustment grooves (101) through the bearing seats.

3. The tobacco rod soil removal and conveying mechanism according to claim 2, characterized in that: The lower roller (2) includes a second rotating shaft (201), on which a support plate (202) is provided. There are multiple support plates (202) arranged in an array on the second rotating shaft (201). There are multiple soil sieves (203) arranged in a ring array on the support plate (202).

4. The tobacco rod soil removal and conveying mechanism according to claim 3, characterized in that: The second rotating shaft (201) on the left side of the frame (1) has a first double-layer sprocket (204). The first double-layer sprockets (204) are connected in pairs on the first layer by a chain. The other layer of the first double-layer sprockets (204) is chain driven with the first sprocket (602).

5. The tobacco rod soil removal and conveying mechanism according to claim 4, characterized in that: On the first rotating shaft (301) on the right side of the frame (1), there is a second double-layer sprocket (303). The second double-layer sprockets (303) are connected to each other on the first layer by a chain. The other layer of the second double-layer sprockets (303) is connected to the transmission mechanism (4) by chain drive.

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