Stubble cleaning device with adjustable spacing for straw smashing and returning machine

Abstract

The utility model relates to the technical field of stubble cleaning devices, and discloses a distance-adjustable stubble cleaning device for a straw smashing and returning machine, which comprises a main body shell, transmission shafts are rotatably connected in the left side and the right side of the main body shell, stubble cleaning cutting discs are arranged on the outer rings of the transmission shafts, and moving mechanisms are arranged on the left side and the right side of the stubble cleaning cutting discs. Fixing mechanisms are arranged at the tops of the moving mechanisms. According to the distance-adjustable stubble cleaning device for the straw smashing and returning machine, through the arranged moving mechanism, a worker can drive an inner six-edge sleeve to move left and right on the outer ring of a six-edge rotating shaft by moving the position of a limiting plate, so that the position of a stubble cleaning cutting disc is adjusted; when the stubble cleaning device is used, the distance and the distribution position of the stubble cleaning cutting discs can be adjusted according to the stubble distance and the stubble position needing stubble cleaning treatment, too many stubble cleaning cutting discs do not need to be arranged, and the situation that the stubble cleaning cutting discs are idle and do not make contact with stubbles is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of stubble-chopping devices, in particular to a stubble-chopping device with adjustable spacing for a straw crushing and returning machine. Background Art

[0002] The main function of the stubble destroyer is to remove the stubble in the farmland, such as corn cobs, straw, stalks, etc. After the agricultural products are harvested, the stubble left behind will seriously affect the quality and yield of the land. By using a stubble destroyer, the stubble in the farmland can be effectively removed, making the soil more fertile.

[0003] When the existing stubble removing device is in use, the cutting disc inside for stubble removing is fixed in position, and its position cannot be adjusted according to the specific stubble spacing. Saturated stubble removing can only be performed through a saturated cutting disc. Most of the cutting discs will not come into contact with the stubble, which wastes a lot of power potential energy and increases the driving consumption of the machine. Utility Model Content

[0004] The utility model aims to provide a stubble-removing device with adjustable spacing for a straw crushing and returning machine to the field, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a stubble-killing device with adjustable spacing for a straw crushing and returning machine, comprising a main body shell, a transmission shaft is rotatably connected to the left and right sides of the main body shell, a stubble-killing cutting disc is arranged on the outer ring of the transmission shaft, a moving mechanism is arranged on the left and right sides of the stubble-killing cutting disc, and a fixing mechanism is arranged on the top of the moving mechanism.

[0006] The moving mechanism comprises a sliding assembly and a moving assembly, wherein the sliding assembly is arranged in the transmission shaft, and the moving assembly is arranged in the top of the sliding assembly.

[0007] The fixing mechanism includes a supporting assembly, a driving assembly, a positioning assembly and a limiting assembly. The supporting assembly is arranged on the top of the moving assembly, the driving assembly is arranged on the inner ring of the supporting assembly, the positioning assembly is arranged on the bottom of the driving assembly, and the limiting assembly is arranged on the outer ring of the positioning assembly.

[0008] Preferably, the sliding assembly includes a hexagonal rotating shaft, the hexagonal rotating shaft is fixedly connected to the transmission shaft, the outer ring of the hexagonal rotating shaft is slidably connected to an inner hexagonal sleeve, and the inner hexagonal sleeve is fixedly connected to the inner ring of the stubble cutting disc.

[0009] Preferably, the movable assembly includes a swivel, which is rotatably connected to the outer ring of the inner hexagonal sleeve located on the left and right sides of the stubble cutting disc, and a movable slide rod is fixedly connected to the top of the swivel, and the movable slide rod is slidably connected to the top of the main body shell, and a limiting plate is fixedly connected to the top of the movable slide rod.

[0010] Preferably, a movable slide groove is provided at the top of the main shell corresponding to the position of the movable slide rod, and a limiting embedding groove is provided at the top of the main shell corresponding to the position of the limiting plate.

[0011] Preferably, the support assembly comprises a fixed cylinder, the fixed cylinder is fixedly connected to the top of the limiting plate, the top of the fixed cylinder is fixedly connected to a fixed arm, and the top of the fixed arm is fixedly connected to a threaded cylinder.

[0012] Preferably, the driving assembly comprises a threaded rod, the threaded rod is threadedly connected to the inner ring of the threaded barrel, and the top of the threaded rod is fixedly connected to a torsion disc.

[0013] Preferably, the positioning assembly includes a clamping shaft, the clamping shaft is rotatably connected to the bottom of the threaded rod, and a pressure plate is fixedly connected to the bottom of the clamping shaft.

[0014] Preferably, the limiting assembly includes a limiting slider, the limiting slider is fixedly connected to the outer ring of the pressure plate, the limiting slider is slidably connected to the inner ring of the fixed cylinder, and the fixed cylinder is provided with a limiting groove corresponding to the position of the limiting slider.

[0015] Compared with the prior art, the utility model provides a stubble-removing device with adjustable spacing for a straw crushing and returning machine, which has the following beneficial effects:

[0016] 1. The stubble-killing device with adjustable spacing for the straw crushing and returning machine has a moving mechanism, through which the staff can drive the inner hexagonal sleeve to move left and right on the outer ring of the hexagonal rotating shaft by moving the position of the limit plate to complete the adjustment of the position of the stubble-killing cutting disc, so that the stubble-killing device can adjust the spacing and distribution position of the stubble-killing cutting disc according to the stubble spacing and position required for stubble killing when in use. There is no need to set up too many stubble-killing cutting discs, and there will be no situation where the stubble-killing cutting discs are idle and not in contact with the stubble, thereby reducing the power consumption of the stubble-killing device.

[0017] 2. The straw crushing and returning machine has an adjustable spacing stubble-cutting device. Through the set fixing mechanism, the staff only needs to rotate the twist plate to drive the pressure plate to move downward and squeeze it into the limiting groove to complete the fixation of the stubble-cutting cutting disc position, so that the stubble-cutting cutting disc will not move automatically after the position is adjusted. The operation is simple and convenient for the staff to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0019] Figure 1 It is a front schematic diagram of the utility model;

[0020] Figure 2 It is a partial structural schematic diagram of the utility model;

[0021] Figure 3 This is a cross-sectional view of the structure of the utility model;

[0022] Figure 4 It is the exploded diagram of the fixed mechanism part;

[0023] Figure 5 It is a sectional view of the structure of the fixing mechanism.

[0024] In the figure: 1. moving mechanism; 11. sliding assembly; 1101. hexagonal rotating shaft; 1102. inner hexagonal sleeve; 12. moving assembly; 1201. swivel; 1202. moving slide rod; 1203. moving slide groove; 1204. limiting plate; 1205. limiting embedded groove; 2. fixing mechanism; 21. supporting assembly; 2101. fixing cylinder; 2102. fixing arm; 2103. threaded cylinder; 22. driving assembly; 2201. threaded rod; 2202. torsion plate; 23. positioning assembly; 2301. clamping shaft; 2302. pressure plate; 24. limiting assembly; 2401. limiting slider; 2402. limiting slide groove; 3. main body shell; 31. transmission shaft; 4. stubble cutting disc. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] The utility model provides a technical solution:

[0028] Embodiment 1

[0029] Combination Figures 1 to 3 and Figure 5 A stubble-killing device with adjustable spacing for a straw crushing and returning machine comprises a main body shell 3, a transmission shaft 31 is rotatably connected to the left and right sides of the main body shell 3, a stubble-killing cutting disc 4 is arranged on the outer ring of the transmission shaft 31, a moving mechanism 1 is arranged on the left and right sides of the stubble-killing cutting disc 4, and a fixing mechanism 2 is arranged on the top of the moving mechanism 1.

[0030] The moving mechanism 1 includes a sliding assembly 11 and a moving assembly 12 . The sliding assembly 11 is disposed in the transmission shaft 31 , and the moving assembly 12 is disposed in the top of the sliding assembly 11 .

[0031] The sliding component 11 includes a hexagonal rotating shaft 1101, which is fixedly connected to the transmission shaft 31. The outer ring of the hexagonal rotating shaft 1101 is slidably connected to the inner hexagonal sleeve 1102, and the inner hexagonal sleeve 1102 is fixedly connected to the inner ring of the stubble cutting disk 4. The moving component 12 includes a swivel 1201, which is rotatably connected to the outer ring of the inner hexagonal sleeve 1102 and is located on the left and right sides of the stubble cutting disk 4. A moving slide bar 1202 is fixedly connected to the top of the swivel 1201, and the moving slide bar 1202 is slidably connected to the top of the main shell 3. The top of the moving slide bar 1202 is fixedly connected to a limiting plate 1204. A moving slide groove 1203 is provided at the top of the main shell 3 corresponding to the position of the moving slide bar 1202, and a limiting embedding groove 1205 is provided at the top of the main shell 3 corresponding to the position of the limiting plate 1204.

[0032] Furthermore: the staff can drive the inner hexagonal sleeve 1102 to move left and right on the outer ring of the hexagonal rotating shaft 1101 by moving the position of the limit plate 1204 to complete the adjustment of the position of the stubble cutting disk 4, so that the stubble killing device can adjust the spacing and distribution position of the stubble killing cutting disk 4 according to the stubble spacing and position required for stubble killing when in use. There is no need to set up too many stubble killing cutting disks 4, and there will be no situation where the stubble killing cutting disk 4 is idle and not in contact with the stubble, thereby reducing the power consumption of the stubble killing device.

[0033] Embodiment 2

[0034] See also Figures 1 to 5 On the basis of Example 1, it is further obtained that the fixing mechanism 2 includes a supporting component 21, a driving component 22, a positioning component 23 and a limiting component 24, the supporting component 21 is arranged on the top of the moving component 12, the driving component 22 is arranged on the inner ring of the supporting component 21, the positioning component 23 is arranged on the bottom of the driving component 22, and the limiting component 24 is arranged on the outer ring of the positioning component 23.

[0035] The supporting assembly 21 includes a fixed cylinder 2101, which is fixedly connected to the top of the limiting plate 1204, a fixed arm 2102 is fixedly connected to the top of the fixed cylinder 2101, and a threaded cylinder 2103 is fixedly connected to the top of the fixed arm 2102. The driving assembly 22 includes a threaded rod 2201, which is threadedly connected to the inner ring of the threaded cylinder 2103, and a torsion disk 2202 is fixedly connected to the top of the threaded rod 2201. The positioning assembly 23 includes a clamping shaft 2301, which is rotatably connected to the bottom of the threaded rod 2201, and a pressure plate 2302 is fixedly connected to the bottom of the clamping shaft 2301. The limiting assembly 24 includes a limiting slider 2401, which is fixedly connected to the outer ring of the pressure plate 2302, and the limiting slider 2401 is slidably connected to the inner ring of the fixed cylinder 2101. The fixed cylinder 2101 is provided with a limiting groove 2402 corresponding to the position of the limiting slider 2401.

[0036] Furthermore, the staff only needs to rotate the torsion plate 2202 to drive the pressure plate 2302 to move downward and squeeze it into the limiting groove 1205 to fix the position of the stubble cutting disc 4, so that the position of the stubble cutting disc 4 will not move automatically after adjustment, which is simple to operate and convenient for the staff to use.

[0037] During actual operation, when this device is used, when the position of the stubble cutting disc 4 needs to be adjusted, the staff first rotates the torsion plate 2202, and the rotation of the torsion plate 2202 drives the threaded rod 2201 to rotate. The threaded rod 2201 rotates on the inner ring of the threaded cylinder 2103 and moves upward. The threaded rod 2201 moves upward and drives the pressure plate 2302 to move upward through the clamping shaft 2301. The pressure plate 2302 moves upward to release the contact with the top of the main shell 3. At this time, the positioning of the limit plate 1204 is released, and then the staff pushes the fixed cylinder 2101 to drive the limit plate 1204 to move left Move right, the limit plate 1204 moves through the moving slide bar 1202 to drive the swivel 1201 to move, the swivel 1201 moves left and right and drives the stubble cutting disk 4 to move left and right through the hexagonal sleeve 1102, until all the stubble cutting disks 4 are moved to the appropriate position, the staff then reversely rotates the torsion plate 2202 to drive the pressure plate 2302 to move downward, the pressure plate 2302 moves downward and contacts and squeezes the top of the main shell 3 to complete the positioning of the limit plate 1204 through friction, at this time the positioning work of the stubble cutting disk 4 is completed, at this time the adjustment work of the position of the stubble cutting disk 4 is completed.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A stubble-removing device with adjustable spacing for a straw crushing and returning machine, comprising a main body shell (3), characterized in that: The left and right sides of the main body shell (3) are rotatably connected with a transmission shaft (31), the outer ring of the transmission shaft (31) is provided with a stubble-removing cutting disc (4), the left and right sides of the stubble-removing cutting disc (4) are provided with a moving mechanism (1), and the top of the moving mechanism (1) is provided with a fixing mechanism (2); The moving mechanism (1) comprises a sliding component (11) and a moving component (12), wherein the sliding component (11) is arranged in the transmission shaft (31), and the moving component (12) is arranged in the top of the sliding component (11); The fixing mechanism (2) comprises a supporting component (21), a driving component (22), a positioning component (23) and a limiting component (24); the supporting component (21) is arranged on the top of the moving component (12); the driving component (22) is arranged on the inner ring of the supporting component (21); the positioning component (23) is arranged on the bottom of the driving component (22); and the limiting component (24) is arranged on the outer ring of the positioning component (23).

2. The stubble-removing device with adjustable spacing for a straw crushing and returning machine according to claim 1, characterized in that: The sliding assembly (11) comprises a hexagonal rotating shaft (1101), the hexagonal rotating shaft (1101) is fixedly connected to the inside of the transmission shaft (31), the outer ring of the hexagonal rotating shaft (1101) is slidably connected to an inner hexagonal sleeve (1102), and the inner hexagonal sleeve (1102) is fixedly connected to the inner ring of the stubble cutting disc (4).

3. The stubble-removing device with adjustable spacing for a straw crushing and returning machine according to claim 1, characterized in that: The movable assembly (12) comprises a rotating ring (1201), the rotating ring (1201) is rotatably connected to the outer ring of the inner hexagonal sleeve (1102) and is located on the left and right sides of the stubble cutting disc (4), the top of the rotating ring (1201) is fixedly connected to a movable slide bar (1202), the movable slide bar (1202) is slidably connected to the top of the main body shell (3), and the top of the movable slide bar (1202) is fixedly connected to a limiting plate (1204).

4. The stubble-removing device with adjustable spacing for a straw crushing and returning machine according to claim 3 is characterized in that: A movable slide groove (1203) is provided at the top of the main shell (3) at a position corresponding to the movable slide rod (1202), and a limiting embedding groove (1205) is provided at the top of the main shell (3) at a position corresponding to the limiting plate (1204).

5. The stubble-removing device with adjustable spacing for a straw crushing and returning machine according to claim 1, characterized in that: The support assembly (21) comprises a fixed cylinder (2101), wherein the fixed cylinder (2101) is fixedly connected to the top of the limiting plate (1204), the top of the fixed cylinder (2101) is fixedly connected to a fixed arm (2102), and the top of the fixed arm (2102) is fixedly connected to a threaded cylinder (2103).

6. The stubble-removing device with adjustable spacing for a straw crushing and returning machine according to claim 1, characterized in that: The driving assembly (22) comprises a threaded rod (2201), wherein the threaded rod (2201) is threadedly connected to the inner ring of the threaded cylinder (2103), and a torsion disc (2202) is fixedly connected to the top of the threaded rod (2201).

7. The stubble-removing device with adjustable spacing for a straw crushing and returning machine according to claim 1, characterized in that: The positioning assembly (23) comprises a clamping shaft (2301), wherein the clamping shaft (2301) is rotatably connected to the bottom of the threaded rod (2201), and a pressure plate (2302) is fixedly connected to the bottom of the clamping shaft (2301).

8. The stubble-removing device with adjustable spacing for a straw crushing and returning machine according to claim 1, characterized in that: The limiting assembly (24) comprises a limiting slider (2401), wherein the limiting slider (2401) is fixedly connected to the outer ring of the pressure plate (2302), and the limiting slider (2401) is slidably connected to the inner ring of the fixed cylinder (2101), and the fixed cylinder (2101) is provided with a limiting groove (2402) corresponding to the position of the limiting slider (2401).

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