Tobacco leaf harvesting cutter
By designing tobacco leaf harvesting cutters that support the semi-ring and linkage components, the simultaneous cutting of multiple tobacco leaves from a tobacco plant was achieved, solving the problem of low tobacco leaf harvesting efficiency in existing technologies and improving harvesting efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-10
- Publication Date
- 2026-03-27
AI Technical Summary
In the current tobacco harvesting process, the separation of tobacco leaves from the plant is inefficient, especially for asymmetrically distributed leaves, which are difficult to separate from the plant, making the harvesting process cumbersome.
A tobacco leaf harvesting tool was designed, including a supporting semi-ring, a fixed blade, and a moving blade. Through the cooperation of a linkage component and a guide roller, the moving blade and the fixed blade can perform annular cutting, enabling the harvesting of multiple tobacco leaves at one time.
It improves tobacco harvesting efficiency, enables simultaneous cutting of multiple tobacco leaves from the same part of the plant, and simplifies the operation process.
Smart Images

Figure CN224037940U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to tobacco planting technical field especially relates to a tobacco leaf harvesting cutter. BACKGROUND
[0002] Tobacco leaf harvesting needs to be batched according to the maturity of tobacco leaf, generally, the bottom leaves of tobacco plants are harvested first, then middle leaves and upper leaves, if the upper leaves are too large to affect the growth of middle leaves, the upper leaves will also be harvested before middle leaves. Since the leaf sequence of tobacco plants is alternate, that is, the leaves are in asymmetric distribution, the separation of tobacco leaves and tobacco plants is basically still an inefficient operation of artificial breaking or cutting with a small knife, and the whole process is relatively cumbersome. Therefore, it is necessary to provide a new tobacco leaf harvesting cutter to solve the above technical problems. SUMMARY
[0003] To solve the above technical problems, the utility model provides a tobacco leaf harvesting cutter.
[0004] The tobacco leaf harvesting cutter provided by the utility model comprises a supporting half ring, a fixed blade fixedly connected at the bottom of the supporting half ring, a moving blade rotatably connected below the fixed blade, a supporting rod arranged at one end of the supporting half ring, and a linkage assembly arranged at the end of the supporting rod away from the supporting half ring.
[0005] The linkage assembly comprises a handle fixedly arranged at the end of the supporting rod away from the supporting half ring, a linkage handle provided at the bottom of the handle through an extension rod, a first spring sleeved outside the extension rod, a pull rope inserted into the supporting half ring and the supporting rod, and an end of the pull rope fixedly connected with the end of the linkage handle.
[0006] Preferably, a supporting piece is arranged at the side of the top of the supporting half ring away from the supporting rod, a connecting rod rotatably connected at the bottom of the supporting piece, and the bottom end of the connecting rod is fixedly connected with the top of the moving blade.
[0007] Preferably, a first tab fixedly connected at the bottom of the supporting piece, a second tab fixedly connected at the outer wall of the connecting rod, and the outer wall of the second tab is fixedly connected with the end of the pull rope away from the supporting rod.
[0008] Preferably, a second spring is arranged between the first tab and the second tab, one end of the second spring is fixedly connected with the outer wall of the first tab, and the other end of the second spring is fixedly connected with the outer wall of the second tab.
[0009] Preferably, a guide piece fixedly connected at the side of the bottom of the handle close to the supporting rod, and the inner part of the guide piece is abutted and slidably connected with the outer wall of the pull rope.
[0010] Preferably, the top of the supporting half-ring is provided with a rotatingly connected guide roller.
[0011] Preferably, one end of the first spring is fixedly connected with the bottom of the handle, and the other end of the first spring is fixedly connected with the top of the linkage handle.
[0012] Compared with the prior art, the tobacco harvesting cutter has the following beneficial effects:
[0013] The linkage assembly is used to erect the movable blade, in later use, the movable blade is first unfolded by driving the linkage assembly, then the tobacco plant is inserted between the movable blade and the fixed blade through the gap between the movable blade and the fixed blade, and then the movable blade is reset, at this time, the annular blade formed by the movable blade and the fixed blade can be used to circumferentially cut the tobacco plant, and the tobacco plant can be harvested in one time, and the harvesting efficiency is greatly improved.
[0014] The rotating guide roller is provided on the top of the supporting half-ring, and in use, the guide roller is abutted against the tobacco plant, so that the movable blade and the fixed blade are reset and positioned, and the annular blade formed by the movable blade and the fixed blade can be accurately sleeved on the outside of the tobacco plant, so that the harvesting range is ensured and subsequent circumferential cutting is performed. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 A structure schematic view of a preferred embodiment of the tobacco harvesting cutter provided by the utility model;
[0016] Figure 2 A structure schematic view of the movable blade, the supporting rod and the linkage assembly shown in Fig. Figure 1
[0017] A structure schematic view of the movable blade, the supporting rod and the linkage assembly shown in Fig. Figure 3 Figure 2 A structure schematic view of the movable blade, the supporting rod and the linkage assembly shown in Fig.
[0018] Figure 4 Figure 2 A structure schematic view of the movable blade, the supporting rod and the linkage assembly shown in Fig.
[0019] Figure 5 A structure schematic view of the movable blade, the supporting rod and the linkage assembly shown in Fig. Figure 1 A structure schematic view of the supporting half-ring and components thereof shown in Fig. DETAILED DESCRIPTION
[0020] In order to make the purpose, technical scheme and advantages of the utility model more clearly understood, the utility model is further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model.
[0021] The specific implementation of the utility model is described in detail below in combination with specific embodiments.
[0022] Please refer to Figures 1 to 5 , the utility model discloses a tobacco leaf harvesting cutter, tobacco leaf harvesting cutter includes: support half ring 1.
[0023] In the embodiment of the utility model, please refer to Figure 1 、 Figure 2 、 Figure 3 And Figure 4 , the bottom of support half ring 1 is equipped with the fixed connection fixed blade 11, the below of fixed blade 11 is equipped with the rotation connection moving blade 2, one end of support half ring 1 is equipped with support rod 3, and the end of support rod 3 away from support half ring 1 is equipped with linkage assembly 4;Linkage assembly 4 includes handle 41, handle 41 is fixedly arranged at the end of support rod 3 away from support half ring 1, the bottom of handle 41 is equipped with linkage handle 42 through telescopic rod 43, the outside of telescopic rod 43 is equipped with first spring 431, the inside of support half ring 1 and support rod 3 is inserted with pull rope 6, and one end of pull rope 6 is fixedly connected with the end of linkage handle 42, one end of first spring 431 is fixedly connected with the bottom of handle 41, and the other end of first spring 431 is fixedly connected with the top of linkage handle 42.
[0024] Need to be explained: when using, staff can first linkage handle 42 hand 41 hold, make linkage handle 42 hand 41 pull pull rope 6, moving blade 2 driven by pull rope 6 can rotate under support piece 5 through connecting rod 51 at this time, the side of rotating moving blade 2 away from support piece 5 appears opening between fixed blade 11, staff can set fixed blade 11 in the outside of tobacco plant at this time, make tobacco plant be located in fixed blade 11 and moving blade 2 inside, after the setting of fixed blade 11 and moving blade 2, the holding of linkage handle 42 can be released, first spring 431 can drive linkage handle 42 at this time, make linkage handle 42 release the pulling of pull rope 6, and then moving blade 2 can be reset under the driving force of second spring 54, so that moving blade 2 and fixed blade 11 form a complete cutting blade, staff can control moving blade 2 and fixed blade 11 along the outside of tobacco plant and move in vertical direction through handle 41 and support rod 3 at this time, and the synchronous cutting of multiple tobacco leaves in the same part of tobacco plant can be completed.
[0025] And through the setting of telescopic, telescopic rod 43 can guide the movement track of linkage rod when driving linkage handle 42, so that the later movement of linkage handle 42 is more stable.
[0026] In the embodiment of the utility model, please refer to Figure 1 、 Figure 2And Figure 4 The bottom of the support sheet 5 is provided with a rotatingly connected connecting rod 51, and the bottom end of the connecting rod 51 is fixedly connected with the top of the moving blade 2.
[0027] It should be noted that: through the setting of the connecting rod 51 and the support sheet 5, when the second lug 53 is driven by the driving force of the linkage assembly 4 on the pull rope 6, the connecting rod 51 can drive the moving blade 2 to rotate on the support sheet 5, so that one side of the moving blade 2 is unfolded from below the fixed blade 11.
[0028] It should be further pointed out that: the end of the moving blade 2 and the end of the fixed blade 11 are staggered up and down, so that when the moving blade 2 is reset under the action of the second spring 54, it can be combined with the fixed blade 11 to form a complete annular blade, so that the device can complete the synchronous cutting and harvesting of multiple tobacco leaves at the same position of the tobacco plant during the later harvesting.
[0029] In the embodiment of the utility model, please refer to Figure 2 And Figure 3 The bottom of the handle 41 near the support rod 3 is provided with a fixedly connected guide sheet 411, and the inside of the guide sheet 411 is in abutment and sliding connection with the outer wall of the pull rope 6.
[0030] It should be noted that: through the setting of the guide sheet 411, when the linkage handle 42 is held to move, the guide sheet 411 can smoothly change the movement track of the pull rope 6, so that the pull rope 6 can exert driving force on the moving blade 2 through the second lug 53 connected at the end, so that the moving blade 2 can rotate.
[0031] In the embodiment of the utility model, please refer to Figure 1 And Figure 5 The top of the support half ring 1 is provided with a rotatingly connected guide roller 12.
[0032] Need to explain: later in use through the guide roller 12 and tobacco plant resistance, namely can realize to the fixed blade 11 and the reset positioning of the moving blade 2, make the annular blade formed by the fixed blade 11 and the moving blade 2 can be more accurate position set in the outside of tobacco plant, further guarantee the cutting range of blade.
[0033] The working principle of the tobacco leaf harvesting cutter provided by the utility model is as follows:
[0034] Later in using the device, the staff can hold the handle 41 to pick up and use the device, and then can hold the linkage handle 42 below the hand 41, at which time the linkage handle 42 hand 41 can pull the pull rope 6, so that the pull rope 6 pulls the moving blade 2, at which time the moving blade 2 driven by the driving force of the pull rope 6 can rotate below the supporting piece 5 through the connecting rod 51, and the rotating moving blade 2 away from one side of the supporting piece 5 appears an opening between the fixed blade 11;
[0035] At this time, the staff can set the fixed blade 11 outside the tobacco plant through the opening, so that the tobacco plant is located inside the fixed blade 11 and the moving blade 2, and in this process, the staff can release the holding of the linkage handle 42, at which time the first spring 431 can drive the linkage handle 42 through the action force of itself, so that the linkage handle 42 releases the pulling of the pull rope 6, and the driving of the second spring 54 during resetting can also make the moving blade 2 rotate and reset, so that the moving blade 2 and the fixed blade 11 form a complete annular cutting blade;
[0036] When the tobacco plant is moved to the inside of the moving blade 2 and the fixed blade 11, and the tobacco plant abuts against the guide roller 12, the guide roller 12 can assist in positioning when the fixed blade 11 and the moving blade 2 are set outside the tobacco plant, so that the fixed blade 11 and the moving blade 2 can be more uniformly and accurately located outside the tobacco plant, so that they can uniformly complete the synchronous cutting and harvesting of multiple tobacco leaves of the same part of the tobacco plant later.
[0037] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the utility model.
Claims
1. A tobacco leaf harvesting tool, characterized in that, include: A supporting half-ring (1) is provided with a fixed blade (11) fixedly connected to the bottom of the supporting half-ring (1), and a rotating blade (2) is provided below the fixed blade (11). A supporting rod (3) is provided at one end of the supporting half-ring (1), and a linkage component (4) is provided at the end of the supporting rod (3) away from the supporting half-ring (1). The linkage component (4) includes a handle (41), which is fixedly installed at one end of the support rod (3) away from the support half ring (1). The bottom of the handle (41) is provided with a linkage handle (42) through a telescopic rod (43). A first spring (431) is sleeved on the outside of the telescopic rod (43). A pull rope (6) is inserted inside the support half ring (1) and the support rod (3), and one end of the pull rope (6) is fixedly connected to the end of the linkage handle (42).
2. The tobacco harvesting tool according to claim 1, characterized in that, The top of the support semi-ring (1) is provided with a support plate (5) on the side away from the support rod (3). The bottom of the support plate (5) is provided with a rotatably connected connecting rod (51), and the bottom end of the connecting rod (51) is fixedly connected to the top of the moving blade (2).
3. The tobacco harvesting tool according to claim 2, characterized in that, The bottom of the support plate (5) is provided with a first protrusion (52) fixedly connected, and the outer wall of the connecting rod (51) is provided with a second protrusion (53) fixedly connected, and the outer wall of the second protrusion (53) is fixedly connected to the end of the pull rope (6) away from the support rod (3).
4. The tobacco harvesting tool according to claim 3, characterized in that, A second spring (54) is provided between the first protrusion (52) and the second protrusion (53). One end of the second spring (54) is fixedly connected to the outer wall of the first protrusion (52), and the other end of the second spring (54) is fixedly connected to the outer wall of the second protrusion (53).
5. The tobacco harvesting tool according to claim 1, characterized in that, The bottom of the handle (41) is provided with a guide plate (411) fixedly connected to the support rod (3), and the inside of the guide plate (411) abuts against and slides against the outer wall of the pull rope (6).
6. The tobacco harvesting tool according to claim 1, characterized in that, The top of the supporting semi-ring (1) is provided with a rotatably connected guide roller (12).
7. The tobacco harvesting tool according to claim 1, characterized in that, One end of the first spring (431) is fixedly connected to the bottom of the handle (41), and the other end of the first spring (431) is fixedly connected to the top of the linkage handle (42).