Cutting assembly of harvester

Abstract

The utility model relates to the technical field of blades, and discloses a cutting assembly of a harvester, which comprises a cutter assembly, a first connecting assembly, a second connecting assembly and a limiting assembly. The cutter assembly is mainly formed by alternately installing the three-sawtooth blades and the single-sawtooth blades, so that the problem that the cutter is prone to jumping can be effectively solved, it is guaranteed that cutting can be conducted smoothly, the cutter is formed by combining a plurality of blades, the cutter can be specially replaced according to a certain position when damaged in the later period, and the cutting efficiency is improved. The blades are further arranged on the side walls of the side sawtooth blades, so that grass is not prone to being wound on the side walls in the equipment cutting process, stable operation of the equipment is guaranteed, and the first connecting assembly and the second connecting assembly guarantee that the three-sawtooth blades, the single-sawtooth blades and the side sawtooth blades are stably connected together; and the stability in the cutting process is guaranteed, and the cutter jumping frequency is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of blades, and in particular relates to a cutting assembly of a harvester. Background Art

[0002] In agricultural harvesting operations, the harvester's blade is a key component, and its performance directly impacts harvesting efficiency and quality. The original product's blades and cutter bars broke easily, resulting in a harvesting capacity of less than 100 acres and a high replacement rate, increasing costs and consuming time and effort. The blades also tended to jump during use, preventing wheat and rice stalks from being cut, leading to significant grain leakage and waste during harvesting.

[0003] In view of this, the present utility model is proposed. Utility Model Content

[0004] In order to solve the technical problems that the blades and blade bars of the original products are easy to break, the harvesting area is less than 100 acres, the replacement rate is too high, the cost is increased, time and labor are wasted, and the blades are easy to jump during use, which will lead to the inability to cut wheat and rice stalks, resulting in serious grain leakage during harvesting and waste of grain resources, the basic concept of the technical solution adopted by the utility model is:

[0005] A cutting assembly of a harvester, comprising a cutter assembly, a first connecting assembly, a second connecting assembly, and a limiting assembly; the cutter assembly comprises a plurality of pairs of three-serrated blades and single-serrated blades, the three-serrated blades and single-serrated blades being alternately connected end to end, and side serrated blades being connected to the side walls of the three-serrated blades on both sides, the three-serrated blades, the single-serrated blades, and the side serrated blades being mounted on a synchronization plate;

[0006] The first connecting assembly includes a plurality of pairs of first connecting plates, each pair of first connecting plates being respectively mounted at the connection between the three-serrated blade and the single-serrated blade;

[0007] The second connecting assembly includes two pairs of second connecting plates, each pair of second connecting plates being respectively mounted at the connection between the three-serrated blade and the side-serrated blade;

[0008] The limiting assembly includes a limiting sleeve, which is installed on the surface of the second connecting plate, and a limiting plate is inserted inside the limiting sleeve. The limiting plate movably passes through the second connecting plate, and the side wall of the limiting plate is in contact with the side wall of the side serrated blade.

[0009] As a preferred embodiment of the present invention, the three-serrated blade is formed by welding three pairs of single-serrated blades into one piece, and the synchronization plate is installed on the output end of the harvester.

[0010] As a preferred embodiment of the present invention, a fixing plate is installed on the side wall of the first connecting plate, bolt holes are provided on the three-serrated blade and the single-serrated blade, and the through holes provided on the surface of the first connecting plate correspond to the bolt holes, and bolts and matching nuts are screwed together between the first connecting plate, the three-serrated blade, the single-serrated blade and the synchronization plate.

[0011] As a preferred embodiment of the present invention, a positioning plate is installed on the side wall of the second connecting plate, a connecting shaft is installed on the positioning plate, a guide roller is rotatably installed on the connecting shaft, and the guide roller is adapted to the harvester.

[0012] As a preferred embodiment of the present invention, a baffle is slidably installed inside the limit plate, one end of the baffle and the limit plate are connected to each other, and a limit spring is clamped between the other end of the baffle and the limit sleeve, and the compression direction of the limit spring is in the same straight line as the moving direction of the limit plate.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] By providing a cutter assembly, in which the cutter inside the cutter assembly is mainly composed of three-serrated blades and single-serrated blades installed alternately, the problem of easy knife jumping can be reduced and solved, ensuring that cutting can be carried out smoothly. Moreover, since the cutter is composed of multiple blades, when it is damaged in the later stage, it can be replaced at a specific location, which can save the later maintenance cost. In addition, the side wall of the side serrated blade is also provided with a blade, so that the side wall is not easy to be entangled with grass during the cutting process of the equipment, ensuring that the equipment can operate stably.

[0015] By providing a first connecting component and a second connecting component, the three-serrated blade, the single-serrated blade and the side-serrated blade are stably connected together through the first connecting component and the second connecting component, thereby ensuring stability during the cutting process and reducing the number of knife jumps.

[0016] By setting a limiting assembly, in which the limiting plate in the limiting assembly can block the side wall of the side serrated blade, and the side wall at the other end of the side serrated blade is squeezed by the three-serrated blade, thereby ensuring that the side serrated blade as a whole is stably fixed on the harvester, and the side serrated blade is connected to the three-serrated blade and the single-serrated blade, thereby ensuring the overall stability of the entire cutter assembly, the cutter is not easy to break, and the harvesting efficiency is increased.

[0017] The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In the attached figure:

[0019] Figure 1A schematic diagram of the three-dimensional structure of a cutting assembly of a harvester;

[0020] Figure 2 This is a schematic diagram of the back structure of a cutting assembly of a harvester;

[0021] Figure 3 A cutting assembly for a harvester Figure 2 Enlarged view of point A in the middle;

[0022] Figure 4 The present invention is a cross-sectional view of a limiting sleeve of a cutting assembly of a harvester.

[0023] In the figure: 1. three-serrated blade; 2. single-serrated blade; 3. side-serrated blade; 4. first connecting plate; 41. fixing plate; 5. second connecting plate; 51. positioning plate; 511. connecting shaft; 512. guide roller; 6. limiting sleeve; 61. limiting plate; 62. baffle; 63. limiting spring; 7. synchronization plate. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. The following embodiments are used to illustrate the present invention.

[0025] like Figures 1 to 4 As shown, a cutting assembly of a harvester includes a cutter assembly, a first connecting assembly, a second connecting assembly and a limiting assembly.

[0026] The cutter assembly includes several pairs of three-serrated blades 1 and single-serrated blades 2, the three-serrated blades 1 and the single-serrated blades 2 are alternately connected end to end, and the side walls of the three-serrated blades 1 on both sides are connected with side serrated blades 3, the three-serrated blades 1 and the single-serrated blades 2 and the side serrated blades 3 are installed on the synchronization plate 7; the cutter inside the cutter assembly is mainly composed of three-serrated blades 1 and single-serrated blades 2 installed alternately, which can effectively solve the problem of easy knife jumping and ensure that cutting can be carried out smoothly. Moreover, since the cutter is composed of multiple blades, it can be replaced at a specific location when damaged in the later stage, which can save the later maintenance cost. The side walls of the side serrated blades 3 are also provided with blades, so that the side walls are not easily entangled with grass during the cutting process of the equipment, ensuring that the equipment can operate stably.

[0027] The first connecting assembly includes several pairs of first connecting plates 4, and each pair of first connecting plates 4 is respectively installed at the connection between the three-serrated blade 1 and the single-serrated blade 2; the second connecting assembly includes two pairs of second connecting plates 5, and each pair of second connecting plates 5 is respectively installed at the connection between the three-serrated blade 1 and the side-serrated blade 3; the first connecting assembly and the second connecting assembly ensure that the three-serrated blade, the single-serrated blade and the side-serrated blade are stably connected together, thereby ensuring stability during the cutting process and reducing the number of knife jumps.

[0028] The limiting assembly includes a limiting sleeve 6, which is mounted on the surface of the second connecting plate 5. A limiting plate 61 is inserted into the limiting sleeve 6. The limiting plate 61 movably extends through the second connecting plate 5, and the side wall of the limiting plate 61 is in contact with the side wall of the side serrated blade 3. The limiting plate 61 in the limiting assembly can block the side wall of the side serrated blade 3, while the side wall of the other end of the side serrated blade 3 is squeezed by the three-serrated blade 1, thereby ensuring that the side serrated blade 3 is stably fixed to the harvester. The side serrated blade 3 is connected to the three-serrated blade 1 and the single-serrated blade 2, thereby ensuring the stability of the entire cutter assembly, making the cutter less likely to break and increasing harvesting efficiency.

[0029] like Figures 1 to 4 As shown, in a specific embodiment, the three-serrated blade 1 is welded together by three pairs of single-serrated blades 2. During production, only single-serrated blades 2 need to be produced. When a three-serrated blade 1 of a specific size is required, welding is required. The production is simpler, and the synchronization plate 7 is installed on the output end of the harvester.

[0030] like Figures 1 to 4 As shown, a fixing plate 41 is further mounted on the side wall of the first connecting plate 4. Bolt holes are provided on both the three-serrated blade 1 and the single-serrated blade 2. The through holes provided on the surface of the first connecting plate 4 correspond to the bolt holes. Bolts and matching nuts are screwed together between the first connecting plate 4, the three-serrated blade 1, the single-serrated blade 2, and the synchronization plate 7. The first and second connecting assemblies are connected to the cutter assembly via bolts, which allows for quick disassembly and a more secure installation.

[0031] like Figures 1 to 4 As shown, further, a positioning plate 51 is installed on the side wall of the second connecting plate 5, a connecting shaft 511 is installed on the positioning plate 51, and a guide roller 512 is rotatably installed on the connecting shaft 511. The guide roller 512 is adapted to the harvester, and the guide roller 512 mainly serves the purpose of auxiliary guidance.

[0032] like Figures 1 to 4As shown, further, a baffle 62 is slidably installed inside the limit plate 61. One end of the baffle 62 is connected to the limit plate 61, and a limit spring 63 is provided between the other end of the baffle 62 and the limit sleeve 6. The compression direction of the limit spring 63 is in the same straight line as the movement direction of the limit plate 61. The limit spring 63 inside the limit sleeve 6 presses the baffle 62 downward, and the baffle 62 presses the limit plate 61 downward. At this time, the limit plate 61 can fit tightly with the side wall of the side serrated blade 3. The outermost side of the cutter assembly is the two side serrated blades 3, and the two side serrated blades 3 are tightly squeezed and fixed. At this time, the entire cutter assembly is tightly fixed together, ensuring that the cutter assembly does not jump during operation.

[0033] The entire cutter assembly is electrophoretically treated, which makes it less prone to rust, more conducive to storage and backup, and more aesthetically pleasing. The entire cutter assembly is quenched for durability.

[0034] The implementation principle of the cutting assembly of a harvester in this embodiment is as follows:

[0035] The cutter inside the cutter assembly is mainly composed of a three-serrated blade 1 and a single-serrated blade 2 installed alternately, which can effectively solve the problem of the cutter easily jumping the knife and ensure that the cutting can be carried out smoothly. Moreover, since the cutter is composed of multiple blades, when it is damaged in the later stage, it can be replaced at a specific place, which can save the later maintenance cost. The side wall of the side serrated blade 3 is also provided with a blade, so that the side wall is not easy to be entangled with grass during the cutting process of the equipment, thereby increasing work efficiency.

[0036] The first connecting assembly and the second connecting assembly can be connected to the cutter assembly through bolts, wherein the bolts can be quickly disassembled and installed more firmly.

[0037] The limiting spring 63 inside the limiting sleeve 6 squeezes the baffle 62 to move downward, and the baffle 62 squeezes the limiting plate 61 to move downward. At this time, the limiting plate 61 can fit tightly with the side wall of the side serrated blade 3. The outermost side of the cutter assembly is two side serrated blades 3, and the two side serrated blades 3 are tightly squeezed and fixed. At this time, the entire cutter assembly is tightly fixed together, ensuring that the cutter assembly will not jump during operation, ensuring that cutting can be carried out smoothly, and improving cutting efficiency.

Claims

1. A cutting assembly for a harvester, characterized in that: It includes a cutter assembly, a first connecting assembly, a second connecting assembly and a limiting assembly; The cutter assembly comprises a plurality of pairs of three-serrated blades (1) and single-serrated blades (2), wherein the three-serrated blades (1) and single-serrated blades (2) are alternately connected end to end, and the side walls of the three-serrated blades (1) on both sides are connected with side-serrated blades (3), and the three-serrated blades (1), single-serrated blades (2) and side-serrated blades (3) are mounted on a synchronization plate (7); The first connecting assembly comprises a plurality of pairs of first connecting plates (4), each pair of the first connecting plates (4) being respectively mounted at the connection between the three-serrated blade (1) and the single-serrated blade (2); The second connecting assembly comprises two pairs of second connecting plates (5), each pair of second connecting plates (5) being respectively mounted at the connection between the three-serrated blade (1) and the side-serrated blade (3); The limiting assembly comprises a limiting sleeve (6), the limiting sleeve (6) being mounted on the surface of the second connecting plate (5), and a limiting plate (61) being inserted into the limiting sleeve (6), the limiting plate (61) being movable through the second connecting plate (5), and the side wall of the limiting plate (61) being in contact with the side wall of the side sawtooth blade (3).

2. The cutting assembly of a harvester according to claim 1, characterized in that: The three-serrated blade (1) is formed by welding three pairs of single-serrated blades (2) in one piece, and the synchronization plate (7) is installed on the output end of the harvester.

3. The cutting assembly of a harvester according to claim 1, characterized in that: A fixing plate (41) is installed on the side wall of the first connecting plate (4), bolt holes are provided on the three-serrated blade (1) and the single-serrated blade (2), and through holes provided on the surface of the first connecting plate (4) correspond to the bolt holes, and bolts and matching nuts are screwed together between the first connecting plate (4), the three-serrated blade (1), the single-serrated blade (2) and the synchronization plate (7).

4. The cutting assembly of a harvester according to claim 1, characterized in that: A positioning plate (51) is installed on the side wall of the second connecting plate (5), a connecting shaft (511) is installed on the positioning plate (51), a guide roller (512) is rotatably installed on the connecting shaft (511), and the guide roller (512) is adapted to the harvester.

5. The cutting assembly of a harvester according to claim 1, characterized in that: A baffle (62) is slidably mounted inside the limit plate (61), one end of the baffle (62) and the limit plate (61) are connected to each other, and a limit spring (63) is provided between the other end of the baffle (62) and the limit sleeve (6). The compression direction of the limit spring (63) and the moving direction of the limit plate (61) are on the same straight line.

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