Tobacco stem pulling machine

Abstract

The utility model relates to a tobacco stem pulling machine which comprises a machine frame, a stem pulling knife roll rotationally arranged on the machine frame and a transmission mechanism arranged on the machine frame, the stem pulling knife roll is in transmission connection with the transmission mechanism, the transmission mechanism is in transmission connection with a tractor so as to drive the stem pulling knife roll to rotate, and a blocking rod is arranged at the position, behind the stem pulling knife roll, of the machine frame. The stem pulling knife roll comprises a supporting shaft and a plurality of blades, supporting discs are arranged at the two ends of the supporting shaft respectively, and the blades are arranged on the two supporting discs and evenly distributed in the circumferential direction of the supporting discs. According to the tobacco stem pulling device, tobacco stems can be pulled out, and the tobacco stems are effectively prevented from being smashed and smashed.

Description

Technical Field

[0001] The utility model relates to the technical field of tobacco stem pulling machines, in particular to a tobacco stem pulling machine. Background Art

[0002] Tobacco is an annual herbaceous plant of the genus Nicotiana in the Solanaceae family, which includes tobacco leaves and tobacco stalks. The tobacco leaves will be collected and made into cigarettes. After the tobacco leaves are collected, the tobacco stalks remain in the tobacco field. In order to allow the tobacco field to be planted repeatedly, the tobacco stalks need to be pulled out by a tobacco stalk puller after the tobacco leaves are collected.

[0003] At present, the existing patent CN220915809U discloses a tobacco clamping and pulling rod machine, including a pulling rod machine and a dust suppression structure. The pulling rod machine pulls out tobacco rods by stirring blades. However, the tobacco rods are easily crushed during stirring and pulling out, which makes it difficult for workers to clean them and increases their labor intensity. Utility Model Content

[0004] Aiming at the problems existing in the prior art, the utility model provides a tobacco stem pulling machine.

[0005] The utility model adopts the following technical solution to solve the above technical problems: a tobacco rod pulling machine, comprising a frame, a rod pulling knife roller rotatably arranged on the frame, and a transmission mechanism arranged on the frame, the rod pulling knife roller is connected to the transmission mechanism, the transmission mechanism is connected to the tractor to drive the rod pulling knife roller to rotate, and a gear lever is arranged on the frame behind the rod pulling knife roller;

[0006] The rod pulling knife roller comprises a support shaft and a plurality of blades. Support plates are respectively arranged at both ends of the support shaft. The plurality of blades are arranged on the two support plates and are evenly distributed along the circumference of the support plates.

[0007] As a preferred solution, the support plate is provided with a slot that matches the blade, and the support plate is connected to the blade by welding.

[0008] As a preferred solution, there are four blades, the blades are arranged obliquely, and the angle α between the blades and the radial line is 5-15 degrees.

[0009] As a preferred solution, the frame is provided with a suspension mechanism for hanging with a tractor, the suspension mechanism includes an upper suspension and two lower suspensions, a support frame is provided on the frame in front of the transmission mechanism, the upper suspension is arranged at the upper end of the support frame, and the two lower suspensions are arranged at the front end of the frame and on both sides of the support frame.

[0010] As a preferred solution, the transmission mechanism includes a double-axis output reducer, and the two output shafts of the double-axis output reducer are respectively rotatably connected to the frame through transmission shafts, one of the transmission shafts extends out of the frame and a first sprocket is provided at the end, and the two ends of the pull-rod knife roller are respectively rotatably connected to the frame through connecting shafts, one of the connecting shafts extends out of the frame and a second sprocket is provided at the end, and the first sprocket and the second sprocket are connected by a chain.

[0011] As a preferred solution, the frame includes two side plates and a support plate arranged between the two side plates, and the transmission mechanism is arranged on the support plate.

[0012] As a preferred solution, the shift rod is arranged between the two side plates, the shift rod is connected to the side plates by bolts, and a threaded hole matching with the bolts is provided on the shift rod.

[0013] As a preferred solution, a support rod is provided between the two side panels and above the gear lever.

[0014] As a preferred solution, a concave crossbeam is further provided on the frame.

[0015] The beneficial effects of the present application are as follows: 1. The rod pulling knife roller will press down the tobacco rod when moving with the tractor. The transmission mechanism of the present application is connected to the tractor transmission to drive the rod pulling knife roller to rotate, thereby driving the blade on the rod pulling knife roller to rotate. The rotating blade on the rod pulling knife roller can cut off and plan out the root of the tobacco rod, thereby achieving the removal of the tobacco rod, thereby effectively avoiding crushing the tobacco rod.

[0016] 2. The pulled-out cigarette stem will collide with the rear guard bar, causing some soil at the root of the cigarette to fall off, reducing the soil content of the root of the cigarette and making it easier to clean the cigarette stem.

[0017] 3. The shift lever of the present application is connected to the side plate by bolts, which is convenient for disassembly, installation and replacement and has strong flexibility. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 for Figure 1 A top view of

[0020] Figure 3 It is a side view of the blade of the utility model;

[0021] Figure 4 It is a structural schematic diagram of the crossbeam of the utility model.

[0022] Markings in the figure: 1. frame, 11. side plate, 12. support plate, 13. crossbeam, 2. transmission mechanism, 21. transmission shaft, 22. first sprocket, 23. connecting shaft, 24. second sprocket, 3. pull-out rod knife roller, 31. support shaft, 32. support plate, 321. slot, 33. blade, 4. gear lever, 5. support frame, 51. upper suspension, 52. lower suspension, 6. support rod. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail in conjunction with the accompanying drawings and embodiments. It should be understood that in the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more; the orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0024] See also Figure 1-4 The embodiment of the utility model provides a tobacco rod pulling machine, including a frame 1, a rod pulling knife roller 3 rotatably arranged on the frame 1 and a transmission mechanism 2 arranged on the frame 1, the rod pulling knife roller 3 is connected to the transmission mechanism 2, and the transmission mechanism 2 is connected to the tractor to drive the rod pulling knife roller 3 to rotate. A gear lever 4 is provided on the frame 1 behind the rod pulling knife roller 3. The rod pulling knife roller 3 includes a support shaft 31 and a plurality of blades 33. Support plates 32 are respectively provided at both ends of the support shaft 31. The plurality of blades 33 are arranged on the two support plates 32 and are evenly distributed along the circumference of the support plates 32.

[0025] The frame 1 includes two side plates 11 and a support plate 12 disposed between the two side plates 11 , and the transmission mechanism 2 is disposed on the support plate 12 .

[0026] Combination Figure 1-3 As shown, a slot 321 cooperating with the blade 33 is provided on the support plate 32, and the support plate 32 is welded to the blade 33. There are four blades 33, and the blades 33 are arranged obliquely. The angle α between the blade 33 and the radial line is 5-15 degrees.

[0027] In addition, combined Figure 1 and Figure 2As shown, the frame 1 is provided with a suspension mechanism for suspension with a tractor, the suspension mechanism includes an upper suspension 51 and two lower suspensions 52, a support frame 5 is provided on the frame 1 in front of the transmission mechanism 2, the upper suspension 51 is arranged at the upper end of the support frame 5, and the two lower suspensions 52 are arranged at the front end of the frame 1 and at both sides of the support frame 5. It should be noted that the parts not described in detail in this application are all prior art.

[0028] The two side plates 11 are respectively provided with connecting plates at the front ends, and the two lower suspensions 52 are respectively arranged on the two connecting plates. The upper suspension 51 and the lower suspension 52 each include two oppositely arranged ear plates, and the ear plates are provided with ear holes. The upper suspension 51 and the lower suspension 52 are respectively connected to the suspension equipment on the tractor. This is a common technology used by technicians in this field and will not be described in detail in this application.

[0029] More specifically, the transmission mechanism 2 includes a double-axis reducer, the input shaft of the double-axis reducer is connected to the output shaft of the tractor, and the two output shafts of the double-axis reducer are rotatably connected to the frame 1 through transmission shafts 21, one of the transmission shafts 21 extends out of the frame 1 and is provided with a first sprocket 22 at the end, the length of the transmission shaft 21 extending out of the frame 1 is greater than the length of the other transmission shaft 21, the two transmission shafts 21 are rotatably connected to the two side plates 11 respectively, the transmission shaft 21 on the left side penetrates the side plate 11 on the left, and the two ends of the pull-out knife roller 3 are rotatably connected to the frame 1 through connecting shafts 23 respectively, one of the connecting shafts 23 extends out of the frame 1 and is provided with a second sprocket 24 at the end, the first sprocket 22 and the second sprocket 24 are connected by a chain, the length of the connecting shaft 23 extending out of the frame 1 is greater than the length of the other connecting shaft 23, the two connecting shafts 23 are rotatably connected to the two side plates 11 respectively, and the connecting shaft 23 on the left side penetrates the side plate 11 on the left.

[0030] The rotation direction of the lever-pulling knife roller 3 is counterclockwise, that is, the rotation direction of the wheels when the tractor moves forward is clockwise. At this time, the rotation direction of the lever-pulling knife roller 3 is opposite to the rotation direction of the wheels of the tractor.

[0031] In addition, the stopper rod 4 is arranged between the two side plates 11, and the stopper rod 4 is connected to the side plates 11 by bolts 41, and the stopper rod 4 is provided with threaded holes matched with the bolts 41. The pulled-out cigarette rod will collide with the rear stopper rod 4, causing part of the soil at the root of the cigarette to fall off, reducing the soil content of the cigarette root, and facilitating the cleaning of the cigarette rod. The stopper rod 4 of the present application is connected to the side plates 11 by bolts 41, which is convenient for disassembly, installation and replacement, and has strong flexibility.

[0032] When in use, the tractor moves, bringing the frame 1 with it, and the power output shaft of the tractor drives the double-axis output reducer to work, thereby driving the rod pulling knife roller 3 to rotate counterclockwise. The rod pulling knife roller 3 will press down the tobacco rod when moving with the tractor, and the rotating blade 33 on the rod pulling knife roller 3 can cut off and plan out the root of the tobacco rod, thereby achieving the removal of the tobacco rod, thereby effectively avoiding the tobacco rod from being crushed.

[0033] Of course, the present invention is not limited to the above-described implementations. Several other implementations based on the design concept of the present invention are provided below.

[0034] For example, in other embodiments, different from the above-described embodiments, Figure 2 and Figure 3 As shown, a support rod 6 is provided between the two side plates 11 and above the shift rod 4 , and a concave crossbeam 13 is also provided on the frame 1 .

[0035] The crossbeam 13 includes a horizontal portion and vertical portions at both ends of the horizontal portion. The two vertical portions are fixedly connected to the two side panels 11 respectively. The two side panels 11 are located between the two vertical portions. The stability of the overall structure is increased by providing the crossbeam.

[0036] It should be noted that the above embodiments are only used to illustrate the present utility model, but the present utility model is not limited to the above embodiments. Any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present utility model fall within the protection scope of the present utility model.

Claims

1. A tobacco stem pulling machine, characterized in that: The invention comprises a frame (1), a pull-bar knife roller (3) rotatably arranged on the frame (1), and a transmission mechanism (2) arranged on the frame (1); the pull-bar knife roller (3) is transmission-connected to the transmission mechanism (2); the transmission mechanism (2) is transmission-connected to the tractor to drive the pull-bar knife roller (3) to rotate; a gear lever (4) is arranged on the frame (1) behind the pull-bar knife roller (3); The rod-pulling knife roller (3) comprises a support shaft (31) and a plurality of blades (33); support plates (32) are respectively provided at both ends of the support shaft (31); and the plurality of blades (33) are arranged on the two support plates (32) and are evenly distributed along the circumference of the support plates (32).

2. A tobacco stem pulling machine according to claim 1, characterized in that: The support plate (32) is provided with a slot (321) that matches the blade (33), and the support plate (32) and the blade (33) are connected by welding.

3. A tobacco stem pulling machine according to claim 1, characterized in that: There are four blades (33), the blades (33) are arranged obliquely, and the angle α between the blades (33) and the radial line is 5-15 degrees.

4. A tobacco stem pulling machine according to claim 1, characterized in that: The frame (1) is provided with a suspension mechanism for suspension with a tractor, the suspension mechanism comprising an upper suspension (51) and two lower suspensions (52); a support frame (5) is provided on the frame (1) in front of the transmission mechanism (2); the upper suspension (51) is arranged at the upper end of the support frame (5); and the two lower suspensions (52) are arranged at the front end of the frame (1) and on both sides of the support frame (5).

5. The tobacco stem pulling machine according to claim 1, characterized in that: The transmission mechanism (2) comprises a double-shaft output reducer, wherein two output shafts of the double-shaft output reducer are rotatably connected to the frame (1) via transmission shafts (21), one of the transmission shafts (21) extends out of the frame (1) and is provided with a first sprocket (22) at one end thereof, and both ends of the pull-out blade roller (3) are rotatably connected to the frame (1) via connecting shafts (23), one of the connecting shafts (23) extends out of the frame (1) and is provided with a second sprocket (24) at one end thereof, and the first sprocket (22) and the second sprocket (24) are connected via a chain.

6. A tobacco stem pulling machine according to claim 1, characterized in that: The frame (1) comprises two side plates (11) and a support plate (12) arranged between the two side plates (11), and the transmission mechanism (2) is arranged on the support plate (12).

7. A tobacco stem pulling machine according to claim 1, characterized in that: The shift rod (4) is arranged between the two side plates (11), the shift rod (4) is connected to the side plates (11) via bolts (41), and a threaded hole matching the bolts (41) is provided on the shift rod (4).

8. A tobacco stem pulling machine according to claim 7, characterized in that: A support rod (6) is provided between the two side plates (11) and above the shift rod (4).

9. A tobacco stem pulling machine according to claim 7, characterized in that: A concave-shaped crossbeam (13) is also provided on the frame (1).

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