Threshing device applied to corn harvester capable of harvesting stalks and ears

Abstract

The utility model provides a threshing device applied to a stalk and ear harvesting corn harvester, which comprises a frame, the top of the frame is provided with a cylinder body with a separating net at the bottom, the cylinder body is internally and rotatably provided with a rotating cylinder, the outer surface of the rotating cylinder is provided with a plurality of groups of screen pins, the outer surface of the rotating cylinder is provided with a flow limiting plate, and a plurality of groups of screen pins are arranged on the flow limiting plate. A sliding way plate used for being matched with the flow limiting plate to thresh corn is arranged in the barrel. According to the threshing device of the corn harvester, efficient threshing of corn stems and ears and effective separation of grains and coats are achieved through a series of ingenious design, meanwhile, the material conveying and screening capacity is enhanced through the blades, the auger and other components, energy consumption is reduced, the working performance and stability of the whole machine are improved, and the threshing device is suitable for popularization and application. And the automation level and economic benefits of corn harvesting are greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of agricultural machinery, in particular to a threshing device applied to a stalk-and-ear corn harvester. Background Art

[0002] In the development of modern agricultural mechanization, the threshing device of corn harvesters plays an indispensable role in improving corn harvesting efficiency and reducing labor intensity. However, the threshing devices of corn harvesters on the market still need to be improved and perfected in terms of threshing efficiency, complete separation of grains and straws, and energy saving and consumption reduction of the whole machine. Utility Model Content

[0003] The utility model aims to provide a threshing device for use in a stalk-and-ear corn harvester. The device has a reasonable structural design, can effectively improve the threshing efficiency, realize the complete separation of kernels from corn husks, and can reduce energy consumption and improve overall work efficiency.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a threshing device applied to a corn harvester for harvesting both stalks and ears, comprising a frame, a cylinder with a separation net at the bottom provided on the top of the frame, a rotating drum rotatably provided inside the cylinder, a plurality of groups of screening pins provided on the outer surface of the rotating drum, a limiting flow plate provided on the outer surface of the rotating drum, a slide plate for cooperating with the limiting flow plate to thresh corn provided inside the cylinder, a collecting cylinder for collecting corn husks provided at the end of the cylinder, a first twisting cylinder provided inside the collecting cylinder A discharge port is arranged at the end of the collecting cylinder, a shell is arranged at one end of the cylinder away from the collecting cylinder, a feeding port for feeding materials into the cylinder is arranged on the shell, an ear-grain separation net is arranged inside the frame and below the cylinder, a grain guide plate is arranged below the ear-grain separation net, a second auger is rotatably arranged above the grain guide plate, a blow cylinder is arranged at the bottom of the frame, a discharge plate is arranged in the blowing direction of the blow cylinder, a plate body is arranged above the discharge plate, and a dust outlet channel is formed by the plate body and the ear-grain separation net.

[0005] Preferably, a plurality of groups of blades are arranged inside the hair dryer via a rotating shaft.

[0006] Preferably, a third auger is provided at the bottom of the discharge plate.

[0007] Preferably, a conveying shell is provided on one side of the frame, a conveying crawler is provided inside the conveying shell, and a discharge hopper is provided on the top of the conveying shell.

[0008] Preferably, the frame is provided with a motor for driving the drum to rotate.

[0009] The beneficial effects of the utility model are:

[0010] The corn harvester threshing device provided by the utility model realizes efficient threshing of corn stalks and effective separation of kernels from husks through a series of ingenious designs, and at the same time enhances material conveying and screening capabilities through blades, augers and other components, reduces energy consumption, improves the working performance and stability of the whole machine, and greatly enhances the automation level and economic benefits of corn harvesting. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0012] Figure 2 It is a front view of the utility model.

[0013] Figure 3 It is a schematic diagram of the cross-sectional structure of the utility model.

[0014] Figure 4 It is a side structural schematic diagram of the utility model.

[0015] In the figure: 1. frame; 3. feed shell; 4. cylinder; 5. rotating drum; 6. flow limiting plate; 7. screen pin; 8. motor; 9. shell; 10. feeding port; 11. separation net; 12. spike-grain separation net; 13. second auger; 14. blower; 15. blade; 16. grain guide plate; 17. discharge plate; 18. third auger; 19. plate; 20. dust discharge channel; 21. collecting cylinder; 22. first auger; 24. discharge hopper; 25. slide plate; 26. discharge port. DETAILED DESCRIPTION

[0016] The specific implementation of the utility model is further described below in conjunction with the accompanying drawings.

[0017] like Figures 1 to 4As shown, a threshing device applied to a corn harvester for harvesting both stalks and ears comprises a frame 1, a barrel 4 having a separation net 11 at the bottom is arranged on the top of the frame 1, a rotating drum 5 is rotatably arranged inside the barrel 4, a plurality of groups of screening pins 7 are arranged on the outer surface of the rotating drum 5, a limiting flow plate 6 is arranged on the outer surface of the rotating drum 5, a slide plate 25 for cooperating with the limiting flow plate 6 for threshing corn is arranged inside the barrel 4, a collecting barrel 21 for collecting corn husks is arranged at the end of the barrel 4, a first auger 22 is arranged inside the collecting barrel 21, and a discharge port is arranged at the end of the collecting barrel 21 26. A shell 9 is provided at one end of the cylinder 4 away from the collecting cylinder 21, and a feeding port 10 for feeding into the cylinder 4 is provided on the shell 9. An ear-grain separation net 12 is provided inside the frame 1 and below the cylinder 4, a grain guide plate 16 is provided below the ear-grain separation net 12, and a second auger 13 is rotatably provided above the grain guide plate 16. A blow tube 14 is provided at the bottom of the frame 1, and a discharge plate 17 is provided in the blowing direction of the blow tube 14, and a plate body 19 is provided above the discharge plate 17, and a dust outlet channel 20 is formed by the plate body 19 and the grain-grain separation net 12.

[0018] In this embodiment, the device is an integral structure mainly composed of a frame 1. A cylinder 4 with a separation net 11 at the bottom is installed on the top of the frame 1. A rotating drum 5 is rotatably arranged inside the cylinder 4. A plurality of groups of sieve pins 7 and flow limiting plates 6 for peeling corn kernels are arranged on the outer surface of the rotating drum 5. With the cooperation of the rotating drum 5, a slide plate 25 is arranged inside the cylinder 4 to better complete the threshing process. The corn husks after threshing will be collected by the collecting cylinder 21. The collecting cylinder 21 is equipped with a first auger 22 and a discharge port 26 at the end. A shell 9 is arranged at the end of the cylinder 4 away from the collecting cylinder 21. A feeding port 10 for feeding corn is arranged on the shell 9. An ear-grain separation net 12 is arranged inside the frame 1 and below the cylinder 4, and a grain guide plate is arranged below the ear-grain separation net 12. 16, and a second auger 13 is rotatably installed above it. The structure also includes a blow tube 14 located at the bottom of the frame 1. A plurality of blades 15 are arranged inside the blow tube 14 through a rotating shaft to assist in further separation of grains and debris. A discharge plate 17 is arranged corresponding to the blowing direction of the blow tube 14, and a third auger 18 is arranged at the bottom of the discharge plate 17 to further optimize the grain transmission efficiency. The plate body 19 and the ear-grain separation net 12 jointly form a dust outlet channel 20, which is convenient for removing dust and light debris generated during the threshing process. A feed shell 3 is also arranged on one side of the frame 1, with a conveying crawler installed inside and a discharge hopper 24 on the top to realize orderly output of grains. The rotation of the rotating drum 5 is driven by a motor 8 arranged on the frame 1 to ensure that the threshing device works continuously and effectively.

[0019] like Figure 4 As shown, a plurality of blades 15 are arranged inside the hair dryer 14 through the rotation of a rotating shaft. The rotation of the rotating shaft drives the blades 15 to rotate, so that wind is generated in the hair dryer 14.

[0020] like Figure 3 As shown, a third auger 18 is disposed at the bottom of the discharge plate 17 , and the third auger 18 is used to transport the material on the discharge plate 17 .

[0021] like Figure 4 As shown, a material conveying shell 3 is provided on one side of the frame 1 , a conveying crawler is provided inside the material conveying shell 3 , and a discharge hopper 24 is provided on the top of the material conveying shell 3 .

[0022] like Figure 1 As shown, a motor 8 for driving the rotating drum 5 to rotate is disposed on the frame 1, and the motor 8 is used to drive the rotating drum 5 to rotate.

[0023] Working principle: When in use, a cylinder 4 with a separation net 11 at the bottom is installed on the top of the frame 1, a rotating drum 5 is rotatably arranged inside the cylinder 4, and multiple groups of sieve pins 7 and flow limiting plates 6 for peeling corn kernels are installed on the outer surface of the rotating drum 5. With the cooperation of the rotating drum 5, a slide plate 25 is arranged inside the cylinder 4 to better complete the threshing process. The corn husks after threshing will be collected by the collecting cylinder 21, and the collecting cylinder 21 is equipped with a first auger 22, and a discharge port 26 is provided at the end. A shell 9 is provided at the end of the cylinder 4 away from the collecting cylinder 21, and a feeding port 10 for feeding corn is provided on the shell 9, an ear-grain separation net 12 is arranged inside the frame 1 and below the cylinder 4, a grain guide plate 16 is provided below the ear-grain separation net 12, and a grain guide plate 16 is provided above it. A second auger 13 is rotatably installed, and the structure also includes a blow cylinder 14 located at the bottom of the frame 1. Multiple sets of blades 15 are arranged inside the blow cylinder 14 through the rotation of the rotating shaft to assist in further separation of grains and debris. A discharge plate 17 is arranged corresponding to the blowing direction of the blow cylinder 14, and a third auger 18 is arranged at the bottom of the discharge plate 17 to further optimize the grain transmission efficiency. The plate body 19 and the ear-grain separation net 12 jointly form a dust outlet channel 20, which is convenient for removing dust and light impurities generated during the threshing process. A feed shell 3 is also arranged on one side of the frame 1, with a conveying crawler installed inside and a discharge hopper 24 on the top to realize orderly output of grains. The rotation of the rotating drum 5 is driven by a motor 8 arranged on the frame 1 to ensure that the threshing device works continuously and effectively.

[0024] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0025] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A threshing device for a corn harvester for harvesting both stalks and ears, characterized in that: include: A frame (1) is provided at the top of the frame (1), wherein a cylinder (4) having a separation net (11) at the bottom is provided, a rotating cylinder (5) is rotatably provided inside the cylinder (4), a plurality of groups of screen pins (7) are provided on the outer surface of the rotating cylinder (5), a flow limiting plate (6) is provided on the outer surface of the rotating cylinder (5), a slide plate (25) for cooperating with the flow limiting plate (6) for threshing corn is provided inside the cylinder (4), a collecting cylinder (21) for collecting corn husks is provided at the end of the cylinder (4), a first auger (22) is provided inside the collecting cylinder (21), a discharge port (26) is provided at the end of the collecting cylinder (21), and the cylinder (4) is away from the collecting cylinder ( A shell (9) is provided at one end of the frame (1), and a feeding port (10) is provided on the shell (9) for feeding materials into the cylinder (4). An ear-grain separation net (12) is provided inside the frame (1) and below the cylinder (4). A grain guide plate (16) is provided below the ear-grain separation net (12). A second auger (13) is rotatably provided above the grain guide plate (16). A blower (14) is provided at the bottom of the frame (1), and a discharge plate (17) is provided in the blowing direction of the blower (14). A plate body (19) is provided above the discharge plate (17), and a dust discharge channel (20) is formed between the plate body (19) and the ear-grain separation net (12).

2. The threshing device for a corn harvester for harvesting both stalks and ears according to claim 1, characterized in that: A plurality of groups of blades (15) are arranged inside the hair dryer (14) via a rotating shaft.

3. The threshing device applied to the corn harvester for harvesting both stalks and ears according to claim 1 is characterized in that: A third auger (18) is provided at the bottom of the discharge plate (17).

4. The threshing device applied to the stalk-ear corn harvester according to claim 1, characterized in that: A material conveying shell (3) is arranged on one side of the frame (1), a conveying crawler is arranged inside the material conveying shell (3), and a discharge hopper (24) is arranged on the top of the material conveying shell (3).

5. The threshing device applied to the corn harvester for harvesting both stalks and ears according to claim 1, characterized in that: The frame (1) is provided with a motor (8) for driving the rotating drum (5) to rotate.

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