Tobacco leaf stem cutting device

Abstract

The utility model belongs to the technical field of tobacco, and discloses a tobacco leaf stem cutting device which comprises a mounting seat, a conveying line, an aligning baffle and a cutting mechanism, the conveying line, the aligning baffle and the cutting mechanism are arranged on the mounting seat, the conveying line comprises a rack, a conveying belt and a vibrator, and the conveying belt is provided with a carrying surface used for conveying tobacco leaves. The carrying surface inclines downwards from the end away from the aligning baffle to the end close to the aligning baffle, the vibrator is used for shaking the tobacco leaves on the conveying belt so that the ends of leaf stalks of the tobacco leaves can abut against the aligning baffle along the carrying surface, and the cutting mechanism is arranged close to the discharging end of the conveying belt and can cut the leaf stalks. According to the tobacco leaf stem cutting device, the vibrator is combined with the conveying line of the conveying belt, so that tobacco leaves are vibrated in the conveying process on the conveying belt, the leaf stem ends of the tobacco leaves are deflected by the gravity centers of the tobacco leaves and gradually abut against the alignment baffle, automatic alignment operation of the end portions of the leaf stems is achieved, and the tobacco leaf stem cutting efficiency is improved. And the subsequent slitting quality of the tobacco leaves is effectively ensured.

Description

Technical Field

[0001] This utility model relates to the field of tobacco technology, and in particular to a tobacco leaf stem cutting device. Background Technology

[0002] In recent years, different segments of the same tobacco leaf have been cut and processed during the threshing and re-drying stage to ensure full utilization of each part of the tobacco leaf and homogeneous production, thus meeting the refined and differentiated processing requirements of Chinese cigarette manufacturing.

[0003] Currently, tobacco leaves are usually aligned manually before being placed on a conveyor line and cut by various cutters. This manual alignment process is tiring and inefficient, and poor alignment quality can affect the quality of subsequent tobacco leaf cutting, thus impacting production quality. Utility Model Content

[0004] The purpose of this utility model is to provide a tobacco leaf stem cutting device with a simple structure and a vibrator that can automatically align the stems during the tobacco leaf conveying process, effectively improving work efficiency.

[0005] To achieve this objective, the present invention adopts the following technical solution:

[0006] A tobacco leaf stem cutting device is provided, including a mounting base and a conveyor line, an alignment baffle, and a cutting mechanism disposed on the mounting base. The conveyor line is disposed on one side of the alignment baffle along a first direction. The conveyor line includes a frame and a conveyor belt and a vibrator disposed on the frame. The conveyor belt has a carrying surface for conveying tobacco leaves. The carrying surface is inclined downward from one end away from the alignment baffle toward one end near the alignment baffle. The vibrator is used to shake the tobacco leaves on the conveyor belt so that the end of the stem of the tobacco leaf can abut against the alignment baffle along the carrying surface. The cutting mechanism is disposed adjacent to the discharge end of the conveyor belt and is capable of cutting the stem. The first direction is perpendicular to the conveying direction of the conveyor belt.

[0007] As a preferred embodiment of the tobacco leaf cutting device, the frame includes a support, a first frame, a second frame, and a drive unit. The conveyor belt is disposed on the support. The first frame and the second frame are spaced apart along the first direction on the bottom side of the support. The end of the second frame away from the support is hinged to the mounting base. The drive unit is disposed on the mounting base, and the drive end of the drive unit is hinged to the first frame.

[0008] As a preferred embodiment of the tobacco leaf cutting device, the conveyor belt includes a drive roller, a driven roller, a belt, and a first motor. The drive roller and the driven roller are spaced apart at both ends of the support along the conveying direction of the conveyor belt, and the rotation axes of the drive roller and the driven roller both extend along the width direction of the conveyor belt. The belt connects the drive roller and the driven roller, and the first motor is driven by the drive roller to drive the belt. The width direction of the conveyor belt is perpendicular to the conveying direction of the conveyor belt.

[0009] As a preferred embodiment of the tobacco leaf cutting device, the support is provided with a plurality of vibrators spaced apart along the conveying direction of the conveyor belt, and the vibration amplitude of the vibrators gradually decreases along the conveying direction of the conveyor belt.

[0010] As a preferred embodiment of the tobacco leaf cutting device, the angle between the transport surface and the horizontal plane is θ, where 10°≤θ≤60°.

[0011] As a preferred embodiment of the tobacco leaf cutting device, the conveyor belt and the alignment baffle are spaced apart along the first direction to form a cutting space. The cutting mechanism includes a support frame and a cutting assembly. The support frame is disposed on the mounting base. The cutting assembly includes a second motor and a cutting blade. The cutting blade is rotatably connected to the support frame, and part of the cutting blade is inserted into the cutting space. The second motor is drivenly connected to the cutting blade, causing the cutting blade to rotate to cut the leaf stem.

[0012] As a preferred embodiment of the tobacco leaf cutting device, the cutting mechanism further includes a pressing component spaced apart on one side of the cutting assembly along the width direction of the conveyor belt. The pressing component includes a pressing roller and a third motor. The pressing roller is rotatably connected to the support frame, and the rotation axis of the pressing roller extends along the width direction of the conveyor belt. The third motor is drivenly connected to the pressing roller so that the tobacco leaf is pressed between the pressing roller and the conveyor belt and driven.

[0013] As a preferred embodiment of the tobacco leaf cutting device, the cutting mechanism further includes a mounting base, on which the cutting component is disposed. The mounting base is movable, adjustable, and locked onto the support frame along the width direction of the conveyor belt.

[0014] As a preferred embodiment of the tobacco leaf cutting device, the alignment baffle includes an alignment part and a support part. The alignment part is disposed on the mounting base, the end of the leaf stem abuts against the alignment part, and the support part is provided on the side of the alignment part facing the conveyor belt. The leaf stem is slidably connected to the support part.

[0015] As a preferred embodiment of the tobacco leaf cutting device, a plurality of limiting grooves are provided at intervals on the transport surface along the conveying direction of the conveyor belt. The length of the limiting grooves extends along the width direction of the conveyor belt, and the groove wall of the limiting grooves is rounded to the transport surface.

[0016] The beneficial effects of this utility model are as follows: By combining a vibrator with a conveyor belt, the tobacco leaves vibrate during transport on the conveyor belt, causing the leaf stalk end to gradually abut against the alignment baffle due to its own center of gravity. This achieves automated alignment of the leaf stalk end, resulting in high work efficiency, high alignment accuracy, and effectively ensuring the subsequent cutting quality of the tobacco leaves while significantly reducing manual labor. Furthermore, by setting a cutting mechanism at the discharge end of the conveyor belt, the leaf stalks of the aligned tobacco leaves on the conveyor belt are cut, achieving automatic cutting of the tobacco leaf stalks with high alignment accuracy, effectively ensuring the cutting quality of the tobacco leaves. Attached Figure Description

[0017] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments.

[0018] Figure 1 This is a schematic diagram of the structure of the tobacco leaf cutting device according to an embodiment of the present utility model;

[0019] Figure 2 This is a schematic diagram of the cooperation between the conveyor line and the alignment baffle in an embodiment of this utility model;

[0020] Figure 3 This is a schematic diagram of the conveyor line according to an embodiment of the present invention;

[0021] Figure 4 This is a schematic diagram of the structure of the smoke cutting mechanism according to an embodiment of the present invention.

[0022] In the picture:

[0023] 1. Mounting base; 2. Conveyor line; 21. Frame; 211. Support; 212. First frame; 213. Second frame; 214. Drive unit; 22. Conveyor belt; 221. Drive roller; 222. Driven roller; 223. Belt; 224. First motor; 23. Vibrator; 24. Carrying surface; 241. Limiting groove; 25. Discharge end; 26. Initial end; 3. Alignment baffle; 31. Alignment part; 32. Bearing part; 4. Cutting mechanism; 41. Support frame; 42. Cutting assembly; 421. Second motor; 422. Cutting blade; 43. Pressing assembly; 431. Pressing roller; 432. Third motor; 5. Cutting space; 6. Collection box. Detailed Implementation

[0024] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, not the entire structure.

[0025] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0026] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0027] In the description of this embodiment, the terms "upper," "lower," "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0028] like Figures 1 to 4As shown, the tobacco leaf stem cutting device of this utility model embodiment includes a mounting base 1 and a conveyor line 2, an alignment baffle 3, and a cutting mechanism 4 disposed on the mounting base 1. The conveyor line 2 is disposed on one side of the alignment baffle 3 along a first direction (the first direction is the X direction shown in the figure). The conveyor line 2 includes a frame 21 and a conveyor belt 22 and a vibrator 23 disposed on the frame 21. The conveyor belt 22 has a carrying surface 24 for conveying tobacco leaves. The carrying surface 24 is disposed from the end away from the alignment baffle 3 toward the end close to the alignment baffle 3 and is inclined downward. The vibrator 23 is used to shake the tobacco leaves on the conveyor belt 22 so that the end of the stem of the tobacco leaf can abut against the alignment baffle 3 along the carrying surface 24. The cutting mechanism 4 is disposed adjacent to the discharge end 25 of the conveyor belt 22 and can cut the stem. The first direction is perpendicular to the conveying direction of the conveyor belt 22 (the conveying direction of the conveyor belt 22 is the Y direction shown in the figure).

[0029] Understandably, by combining the vibrator 23 with the conveyor belt 22, the tobacco leaves vibrate during transport on the conveyor belt 22. This causes the leaf stalk end to gradually abut against the alignment baffle 3 along the inclined transport surface 24 due to its own center of gravity, thereby achieving automated alignment of the leaf stalk end. This results in high work efficiency, high alignment accuracy, and effectively ensures the subsequent cutting quality of the tobacco leaves, while also reducing manual labor. Furthermore, by setting a cutting mechanism 4 at the discharge end 25 of the conveyor belt 22, the leaf stalks of the tobacco leaves after alignment on the conveyor belt 22 are cut, achieving automatic cutting of the tobacco leaf stalks with high alignment accuracy, effectively ensuring the cutting quality of the tobacco leaves.

[0030] In this embodiment, as Figure 2 As shown, the frame 21 includes a support 211, a first frame 212, a second frame 213, and a drive unit 214. A conveyor belt 22 is mounted on the support 211. The first frame 212 and the second frame 213 are spaced apart along a first direction on the bottom side of the support 211. The end of the second frame 213 furthest from the support 211 is hinged to the mounting base 1. The drive unit 214 is mounted on the mounting base 1, and its driving end is hinged to the first frame 212. By driving the first frame 212 through the drive unit 214, the support 211 and the second frame 213 can rotate around the hinge point between the second frame 213 and the mounting base 1, adjusting the tilt angle of the support 211. This allows for adjustment of the tilt angle of the conveyor belt 22 on the support 211, facilitating quick alignment of different tobacco leaf sizes.

[0031] Specifically, such as Figure 3As shown, the conveyor belt 22 includes a drive roller 221, a driven roller 222, a belt 223, and a first motor 224. The drive roller 221 and the driven roller 222 are spaced apart at both ends of the support 211 along the conveying direction of the conveyor belt 22, and the rotation axes of both the drive roller 221 and the driven roller 222 extend along the width direction of the conveyor belt 22 (the width direction of the conveyor belt 22 is direction D in the figure). The belt 223 connects the drive roller 221 and the driven roller 222. The first motor 224 is driven by the drive roller 221 to drive the belt 223. The width direction of the conveyor belt 22 is perpendicular to the conveying direction of the conveyor belt 22. The conveyor belt 22 conveys tobacco leaves by driving the drive roller 221 with the belt 223. This conveyor belt 22 has a simple structure, and the belt 223 has a lower cost compared to chain and synchronous belt conveyors, effectively reducing production and maintenance costs.

[0032] It should be noted that in this embodiment, the vibrator 23 is disposed on the top surface of the support 211. The vibrator 23 intermittently abuts against the conveyor belt 22, causing the conveyor belt 22 to vibrate, thereby causing the tobacco leaves on the transport surface 24 to shake and spread out. The leaf stalk end, due to its own center of gravity, gradually abuts against the alignment baffle 3 along the inclined transport surface 24. The vibrator 23 can be a ready-made vibration mechanism such as a vibration motor or a vibrating plate. Of course, in order to reduce the overall vibration of the frame 21, a direct drive mechanism can also be used to drive the clamping plate to indirectly abut against the transmission belt. For example, the support 211 is provided with multiple cylinders, and the driving end of the cylinder is provided with a clamping plate. The cylinder drives the clamping plate to intermittently abut against the conveyor belt 22 to achieve the vibration function.

[0033] Furthermore, multiple vibrators 23 are spaced apart on the support 211 along the conveying direction of the conveyor belt 22, and the vibration amplitude of the vibrators 23 gradually decreases along the conveying direction of the conveyor belt 22. The vibration amplitude of the vibrators 23 closest to the initial end 26 of the conveyor belt 22 is larger, which can make the tobacco leaves spread out quickly and shake rapidly so that the tobacco stems can quickly rotate towards the alignment baffle 3 along the inclined transport surface 24. The vibration amplitude of the vibrators 23 far away from the initial end 26 of the conveyor belt 22 is smaller, which can make the tobacco leaves make small-amplitude angle adjustments, avoiding the misalignment of tobacco leaves that have already been adjusted at large angles (i.e., the tobacco leaf stems are all facing the alignment baffle 3), and effectively ensuring the adjustment stability of the tobacco leaves.

[0034] Optionally, such as Figure 2As shown, the angle between the transport surface 24 and the horizontal plane is θ, where 10° ≤ θ ≤ 60°. For example, the angle θ between the transport surface 24 and the horizontal plane can be 10°, 15°, 20°, 25°, 30°, 35°, 40°, 45°, 50°, 55°, 60°, etc. The tilt angle of the support 211 is adjusted by the drive component 214, thereby adjusting the tilt angle of the transport surface 24 to accommodate different tobacco leaf sizes and allow for quick alignment. An excessively large angle between the transport surface 24 and the horizontal plane can easily cause the tobacco leaves to slip, while an excessively small angle makes it difficult to adjust the angle of the tobacco leaf stem due to the center of gravity. The appropriate angle for the transport surface 24 ensures stable support for the tobacco leaves while efficiently adjusting them.

[0035] Furthermore, such as Figure 2 and Figure 4 As shown, the conveyor belt 22 and the alignment baffle 3 are spaced apart along a first direction to form a cutting space 5. The cutting mechanism 4 includes a support frame 41 and a cutting assembly 42. The support frame 41 is mounted on the mounting base 1. The cutting assembly 42 includes a second motor 421 and a cutting blade 422. The cutting blade 422 is rotatably connected to the support frame 41, that is, located above the cutting space 5 in the vertical direction (the vertical direction is the Z direction shown in the figure), and part of the cutting blade 422 is inserted into the cutting space 5. The second motor 421 is drivenly connected to the cutting blade 422, causing the cutting blade 422 to rotate to cut the leaf stalk. By spaced apart the alignment baffle 3 and the conveyor belt 22, fine leaf fragments or leaf fragments generated by vibration during the conveying process can fall from the spaced cutting space 5, reducing the need for subsequent screening processes. Furthermore, the conveyor belt 22 aligns and adjusts the tobacco leaves during transport, so that when the leaves reach the discharge end 25 of the conveyor belt 22, the cutting blade 422 rotates to cut the stems of the transported tobacco leaves. This mechanized cutting process provides good results, reduces manual labor, and directly yields stemless tobacco leaves, resulting in high production efficiency. In addition, mechanized cutting effectively ensures the stability of the tobacco leaf's aroma. In other embodiments, laser cutting or other methods can also be used for cutting.

[0036] Preferably, the cutting mechanism 4 further includes a pressing component 43 spaced apart on one side of the cutting assembly 42 along the width direction of the conveyor belt 22. The pressing component 43 includes a pressing roller 431 and a third motor 432. The pressing roller 431 is rotatably connected to the support frame 41, and the rotation axis of the pressing roller 431 extends along the width direction of the conveyor belt 22. The third motor 432 is drivenly connected to the pressing roller 431 to press the tobacco leaves between the pressing roller 431 and the conveyor belt 22 and drive the transmission. By gradually setting the pressing, the tobacco leaves are prevented from slipping when the cutting assembly 42 cuts the tobacco stem, thus improving the stability of the tobacco stem cutting. During the conveying process, the tobacco leaves are aligned with the stem until they are pressed between the pressing roller 431 and the conveyor belt 22 at the end of the conveyor belt 22, while the cutting blade 422 rotates to cut the stem. It is worth noting that the linear speed at which the third motor 432 drives the clamping roller 431 to rotate should be consistent with the conveying speed of the conveyor belt 22 to ensure that the tobacco leaves can be conveyed stably even when clamped between the clamping roller 431 and the conveyor belt 22.

[0037] In some embodiments, the cutting mechanism 4 further includes a mounting base, on which the cutting assembly 42 is disposed. The mounting base can be moved and adjusted along the width direction of the conveyor belt 22 and locked onto the support frame 41. By adjusting the position of the mounting base along the width direction of the conveyor belt, the position of the overall cutting assembly 42 is adjusted, that is, the distance between the cutting blade 422 and the alignment baffle 3 is adjusted, thereby meeting the cutting requirements of different lengths of leaf stalks and improving the versatility of the cutting assembly 42 to adapt to the cutting of different lengths of leaf stalks of different tobacco leaves. For example, the support frame 41 has a waist-shaped hole, the length of which extends along the width direction of the conveyor belt 22. The mounting base has a threaded hole. After the mounting base is moved and adjusted, the bolt is screwed through the waist-shaped hole and into the threaded hole to fix the mounting base and the support frame 41. When adjustment is needed, only the bolt needs to be loosened to move the mounting base. The bolt connection method is convenient for adjustment and the connection is stable. In addition, in order to make it easier for the rotation axis of the clamping roller 431 to be aligned with the direction of the conveyor belt 22, the support frame 41 can also be configured as an adjustable structure to accommodate the angle adjustment of the bracket 211. No further examples will be given here.

[0038] Furthermore, such as Figure 2 As shown, the alignment baffle 3 includes an alignment part 31 and a support part 32. The alignment part 31 is disposed on the mounting base 1, and the end of the leaf stalk abuts against the alignment part 31. The support part 32 is provided on the side of the alignment part 31 facing the conveyor belt 22, and the leaf stalk is slidably connected to the support part 32. By supporting the leaf stalk with the support part 32, the end of the leaf stalk is supported when the cutting blade 422 cuts the leaf blade adjacent to the leaf stalk, preventing it from falling due to the gravity of the leaf stalk end when the cutting process is not complete, thus improving the stability of the leaf stalk cutting.

[0039] Furthermore, such as Figure 1As shown, multiple limiting grooves 241 are spaced apart on the transport surface 24 along the conveying direction of the conveyor belt 22. The length of the limiting grooves 241 extends along the width direction of the conveyor belt 22, and the groove walls of the limiting grooves 241 have a rounded transition with the transport surface 24. The limiting grooves 241 improve the positional stability of the tobacco leaves during transport, and the rounded transition between the groove walls and the transport surface 24 reduces obstruction of the tobacco leaves, making the adjustment of the leaf stalks smoother. For example, the conveyor belt 22 is a corrugated belt 223, and the grooves between the crests are the limiting grooves 241.

[0040] In addition, a collection box 6 is provided below the cutting assembly 42 to collect the leaf stalks cut by the cutting blade 422. It should be noted that the collection box 6 is located below the mounting base 1, so the mounting base 1 is provided with a connecting port connecting the cutting space 5 and the collection box 6 (the connecting port is blocked by the alignment baffle 3 and is therefore not shown in the figure). The leaf stalks cut by the cutting blade 422 can fall into the collection box 6 through the connecting port for collection.

[0041] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make various obvious changes, readjustments, and substitutions without departing from the protection scope of this utility model. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A tobacco leaf stem cutting device, characterized in that, The device includes a mounting base and a conveyor line, an alignment baffle, and a cutting mechanism disposed on the mounting base. The conveyor line is disposed on one side of the alignment baffle along a first direction. The conveyor line includes a frame and a conveyor belt and a vibrator disposed on the frame. The conveyor belt has a carrying surface for transporting tobacco leaves. The carrying surface is inclined downward from one end away from the alignment baffle toward one end near the alignment baffle. The vibrator is used to shake the tobacco leaves on the conveyor belt so that the end of the leaf stalk of the tobacco leaf can abut against the alignment baffle along the carrying surface. The cutting mechanism is disposed adjacent to the discharge end of the conveyor belt and is capable of cutting the leaf stalk. The first direction is perpendicular to the conveying direction of the conveyor belt.

2. The tobacco leaf stem cutting device according to claim 1, characterized in that, The frame includes a support, a first frame, a second frame, and a drive unit. The conveyor belt is disposed on the support. The first frame and the second frame are spaced apart along the first direction on the bottom side of the support. The end of the second frame away from the support is hinged to the mounting base. The drive unit is disposed on the mounting base, and the drive end of the drive unit is hinged to the first frame.

3. The tobacco leaf stem cutting device according to claim 2, characterized in that, The conveyor belt includes a drive roller, a driven roller, a belt, and a first motor. The drive roller and the driven roller are spaced apart at both ends of the support along the conveying direction of the conveyor belt, and the rotation axes of the drive roller and the driven roller both extend along the width direction of the conveyor belt. The belt connects the drive roller and the driven roller. The first motor is driven by the drive roller to drive the belt. The width direction of the conveyor belt is perpendicular to the conveying direction of the conveyor belt.

4. The tobacco leaf stem cutting device according to claim 3, characterized in that, The support is provided with a plurality of vibrators at intervals along the conveying direction of the conveyor belt, and the vibration amplitude of the vibrators gradually decreases along the conveying direction of the conveyor belt.

5. The tobacco leaf stem cutting device according to claim 2, characterized in that, The angle between the carrier surface and the horizontal plane is θ, where 10°≤θ≤60°.

6. The tobacco leaf cutting device according to any one of claims 1-5, characterized in that, The conveyor belt and the alignment baffle are spaced apart along the first direction to form a cutting space. The cutting mechanism includes a support frame and a cutting assembly. The support frame is disposed on the mounting base. The cutting assembly includes a second motor and a cutting blade. The cutting blade is rotatably connected to the support frame, and part of the cutting blade is inserted into the cutting space. The second motor is drivenly connected to the cutting blade, causing the cutting blade to rotate to cut the leaf stalk.

7. The tobacco leaf stem cutting device according to claim 6, characterized in that, The cutting mechanism further includes a pressing component spaced apart on one side of the cutting assembly along the width direction of the conveyor belt. The pressing component includes a pressing roller and a third motor. The pressing roller is rotatably connected to the support frame, and the rotation axis of the pressing roller extends along the width direction of the conveyor belt. The third motor is drivenly connected to the pressing roller so that the tobacco leaves are pressed between the pressing roller and the conveyor belt and driven.

8. The tobacco leaf stem cutting device according to claim 6, characterized in that, The cutting mechanism further includes a mounting base, on which the cutting component is disposed. The mounting base is movable and adjustable along the width direction of the conveyor belt and locked onto the support frame.

9. The tobacco leaf stem cutting device according to claim 6, characterized in that, The alignment baffle includes an alignment part and a support part. The alignment part is disposed on the mounting base. The end of the blade handle abuts against the alignment part. The alignment part protrudes towards the side of the conveyor belt and is provided with the support part. The blade handle is slidably connected to the support part.

10. The tobacco leaf cutting device according to any one of claims 1-5, characterized in that, The carrier surface is provided with a plurality of limiting grooves at intervals along the conveying direction of the conveyor belt. The length of the limiting grooves extends along the width direction of the conveyor belt, and the groove wall of the limiting grooves is rounded to the carrier surface.

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