Impurity discharging and chopping device of self-propelled corn kernel machine
The impurity removal and shredding mechanism of the self-propelled corn kernel machine solves the problem that the existing device is difficult to remove light and small impurities, achieves efficient corn kernel harvesting, and simplifies the operation process.
Patent Information
- Application Number
- CN202422903744.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-27
- Publication Date
- 2025-10-03
- Estimated Expiration
- 2034-11-27
AI Technical Summary
The existing self-propelled corn kernel machine device is difficult to effectively remove light and small impurities during impurity removal, resulting in mediocre impurity removal effect, complicated operation and low work efficiency.
A self-propelled corn kernel machine impurity removal and shredding device was designed, which includes an impurity removal mechanism and a shredding mechanism. A fan is used to blow out light and small impurities, and a shredding blade chops larger impurities. The corn kernels are screened by a threshing bar and a mesh plate, and the device is driven by a motor to achieve automatic operation.
It achieves better impurity removal effect and high work efficiency, simplifies the operation process, and improves the quality and efficiency of corn kernel harvesting.
Smart Images

Figure CN223402874U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of agricultural machinery, in particular to a self-propelled corn kernel machine debris removal and chopping device. Background Art
[0002] In recent years, with the increasing support of the country for agriculture, farmers have higher and higher requirements for the mechanization of agricultural production. The self-propelled corn kernel harvester's debris removal and chopping device is an agricultural machinery device designed specifically for corn harvesting. This device is an important component of the self-propelled corn kernel harvester. It can thresh the corn ears during the harvesting process and effectively remove impurities in the corn, facilitating subsequent processing and utilization.
[0003] When the existing devices are used, most of them can only simply remove larger impurities such as stalks and leaves in corn ears, but there will still be lighter impurities mixed in the corn kernels, which requires secondary impurity removal of the corn kernels. The impurity removal effect is average, the operation is more complicated, and the work efficiency is low. Utility Model Content
[0004] In order to solve the problems in the above background, the utility model provides a self-propelled corn kernel machine impurity removal and chopping device, which has the characteristics of better impurity removal effect, simple operation and high working efficiency.
[0005] The utility model is realized as follows: a self-propelled corn kernel machine impurity removal and chopping device comprises a flat plate, the upper end surface of the flat plate is fixedly connected to a support frame, the left side of the upper end surface of the support frame is fixedly connected to a feed trough, the interior of the feed trough is fixedly connected to a bushing, the interior of the feed trough is rotatably connected to two first main shafts, the outer walls of the two first main shafts are fixedly connected to a plurality of levers located inside the bushing plate slots, and the upper right end surface of the feed trough is connected to a first discharge trough corresponding to the bushing;
[0006] The interior of the feed trough is rotatably connected to two second main shafts located below the leak plate, and the outer walls of the two second main shafts are fixedly connected to a plurality of threshing rods. Two third drive motors are installed below the front end surface of the feed trough, and the output ends of the two third drive motors are fixedly connected to the two second main shafts respectively. The interior of the feed trough is fixedly connected to a mesh plate located below the second main shaft, and the lower left end surface of the feed trough is connected to a second discharge trough corresponding to the mesh plate, and the lower end surface of the feed trough is penetrated by a discharge port;
[0007] The upper end surface of the flat plate is provided with a debris removal mechanism;
[0008] A chopping mechanism is provided below the support frame.
[0009] In order to remove light and small impurities, a self-propelled corn kernel machine impurity removal and chopping device is preferably used as the utility model. The impurity removal mechanism includes a wind tube fixedly connected to the lower end face of the feed trough through a bracket, and the outer wall of the wind tube is connected to the exhaust trough on one side close to the discharge port. A fan is installed on the upper end face of the flat plate, and the fan is connected to the wind tube through a pipe.
[0010] In order to chop larger impurities, a self-propelled corn kernel machine impurity removal and chopping device is preferably used in the present invention. The chopping mechanism includes a feed hopper that is fixedly connected to the upper end face of the support frame, and the lower end face of the feed hopper is connected to a chopping drum located below the support frame. The inside of the chopping drum is rotatably connected to a third main shaft, and the outer wall of the third main shaft is fixedly connected to a plurality of chopping blades. The outer wall of the chopping drum is connected to a slag discharge trough below, and a second drive motor is installed on the front end face of the chopping drum, and the output end of the second drive motor is fixedly connected to the third main shaft.
[0011] In order to facilitate the entry of larger impurities into the first discharge trough, as a preferred embodiment of the self-propelled corn kernel machine impurity removal and chopping device of the present invention, the feed hopper is located directly below the first discharge trough.
[0012] In order to facilitate the collection of corn kernels, as a preferred embodiment of the self-propelled corn kernel machine impurity removal and chopping device of the present invention, the upper end surface of the flat plate is fixedly connected to a collection trough located directly below the discharge port.
[0013] In order to drive the first main shaft to rotate, as a preferred self-propelled corn kernel machine impurity removal and chopping device of the present invention, a first drive motor is installed above the front end surface of the feed trough through a bracket, and the output end of the first drive motor is fixedly connected to the first main shaft located on the right side, and the two first main shafts are connected by belt drive.
[0014] Compared with the prior art, the beneficial effects of the present invention are:
[0015] The utility model provides a chopping mechanism, and the output end of the second drive motor rotates with the third main shaft, so that the multiple chopping blades rotate accordingly, chopping the straw and leaves entering the chopping cylinder through the feed hopper and then discharging them through the slag discharge chute, which makes the operation simpler and facilitates the chopping of larger impurities.
[0016] By setting up a debris removal mechanism, the fan blows air into the air duct, and then discharges it through the exhaust trough, blowing out the lighter impurities in the corn kernels, allowing the corn kernels to enter the collection trough, and the remaining corn cobs are discharged from the second discharge trough through the mesh plate. This makes it more convenient to collect corn kernels, has a better debris removal effect, and high work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1This is the overall structural diagram of a self-propelled corn kernel machine debris removal and chopping device of the utility model;
[0018] Figure 2 This is the overall cutaway structural diagram of the present utility model;
[0019] Figure 3 It is a front view of the utility model.
[0020] In the figure, 1. flat plate; 2. support frame; 3. feed chute; 4. leakage plate; 5. first main shaft; 6. shift rod; 7. first discharge chute; 8. first drive motor; 9. second main shaft; 10. threshing rod; 11. mesh plate; 12. second discharge chute; 13. collecting chute; 14. fan; 15. air duct; 16. exhaust chute; 17. discharge port; 18. feed hopper; 19. chopping cylinder; 20. third main shaft; 21. chopping blade; 22. slag discharge chute; 23. second drive motor; 24. third drive motor. DETAILED DESCRIPTION
[0021] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.
[0022] In the description of the present invention, it should be understood that the terms "length," "width," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inside," "outside," and the like, indicating positions or location relationships, are based on the positions or location relationships shown in the accompanying drawings and are intended solely to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, in the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.
[0023] See also Figure 1-3 A self-propelled corn kernel machine impurity removal and chopping device includes a flat plate 1, the upper end surface of the flat plate 1 is fixedly connected to a support frame 2, a feed chute 3 is fixedly connected to the left side of the upper end surface of the support frame 2, a leak plate 4 is fixedly connected to the inside of the feed chute 3, two first main shafts 5 are rotatably connected to the inside of the feed chute 3, and the outer walls of the two first main shafts 5 are fixedly connected to a plurality of levers 6 located inside the through grooves of the leak plate 4, and a first discharge chute 7 corresponding to the leak plate 4 is connected to the upper right end surface of the feed chute 3;
[0024] The inside of the feed trough 3 is rotatably connected to two second main shafts 9 located below the leak plate 4, and the outer walls of the two second main shafts 9 are fixedly connected to a plurality of threshing rods 10. Two third drive motors 24 are installed below the front end surface of the feed trough 3, and the output ends of the two third drive motors 24 are fixedly connected to the two second main shafts 9 respectively. The inside of the feed trough 3 is fixedly connected to a mesh plate 11 located below the second main shaft 9, and the lower left end surface of the feed trough 3 is connected to a second discharge trough 12 corresponding to the mesh plate 11, and the lower end surface of the feed trough 3 is penetrated by a discharge port 17;
[0025] The upper end surface of the plate 1 is provided with a debris removal mechanism;
[0026] A shredding mechanism is provided below the support frame 2 .
[0027] In this embodiment: the harvested corn is put into the feed trough 3 by a self-propelled corn grain harvester, the corn cobs are screened by the leak plate 4, and the corn cobs fall off, and the two first main shafts 5 are driven to rotate synchronously by the output end of the first drive motor 8, so that the shifting rod 6 rotates accordingly, driving the larger straws and leaves to be discharged from the first discharge trough 7, and then the larger straws and leaves are chopped by the chopping mechanism, and the two second main shafts 9 are driven to rotate relative to each other by the output ends of the two third drive motors 24, so that the two second main shafts 9 drive the threshing rod 10 to rotate relative to each other, and the corn cobs are threshed, and the corn kernels are screened by the mesh plate 11, so that the corn kernels and lighter impurities are discharged through the discharge port 17, and at the same time, the lighter impurities are removed by the impurity removal mechanism, and the corn kernels enter the collecting trough 13, and the remaining corn cobs are discharged from the second discharge trough 12 through the mesh plate 11, which has better impurity removal effect, simple operation and high work efficiency.
[0028] As a technical optimization solution of the present invention, the impurity removal mechanism includes a duct 15 fixedly connected to the lower end surface of the feed trough 3 through a bracket, and the outer wall of the duct 15 is connected to the exhaust trough 16 on one side close to the discharge port 17. The upper end surface of the flat plate 1 is equipped with a fan 14, and the fan 14 is connected to the duct 15 through a pipe.
[0029] In this embodiment, air is blown from the blower 14 to the air duct 15 and then discharged through the exhaust slot 16 , blowing out relatively fine impurities in the corn kernels and allowing the corn kernels to enter the collecting slot 13 .
[0030] As a technical optimization solution of the present invention, the shredding mechanism includes a feed hopper 18 that is fixedly connected to the upper end face of the support frame 2. The lower end face of the feed hopper 18 is connected to a shredding drum 19 located below the support frame 2. The inside of the shredding drum 19 is rotatably connected to a third main shaft 20. The outer wall of the third main shaft 20 is fixedly connected to a plurality of shredding blades 21. The lower part of the outer wall of the shredding drum 19 is connected to a slag discharge trough 22. The front end face of the shredding drum 19 is installed with a second drive motor 23. The output end of the second drive motor 23 is fixedly connected to the third main shaft 20.
[0031] In this embodiment, the output end of the second drive motor 23 rotates with the third main shaft 20 to cause the multiple chopping blades 21 to rotate accordingly, chopping the straw and leaves that enter the chopping cylinder 19 through the feed hopper 18 and then discharge them through the slag discharge chute 22.
[0032] As a technical optimization solution of the present invention, the feed hopper 18 is located directly below the first discharge chute 7 .
[0033] In this embodiment, the feed hopper 18 is located directly below the first discharge chute 7 , making it easier for straw and leaves to enter the feed hopper 18 .
[0034] As a technical optimization solution of the present invention, the upper end surface of the flat plate 1 is fixedly connected to a collecting trough 13 located directly below the discharge port 17 .
[0035] In this embodiment, it is more convenient to collect corn kernels through the collecting trough 13 .
[0036] As a technical optimization solution of the present invention, a first drive motor 8 is installed above the front end surface of the feed trough 3 through a bracket. The output end of the first drive motor 8 is fixedly connected to the first main shaft 5 located on the right side, and the two first main shafts 5 are connected by belt drive.
[0037] In this embodiment, the first main shaft 5 on the right is driven to rotate by the output end of the first driving motor 8, and the two first main shafts 5 are rotated synchronously by belt transmission, so that the shifting lever 6 rotates accordingly, which makes the operation more convenient.
[0038] The working principle and use process of this utility model:
[0039] First, the harvested corn is placed into the feed trough 3 by the self-propelled corn grain harvester, and the corn ears are screened by the leakage plate 4 to make the corn ears fall off. The output end of the first drive motor 8 drives the two first main shafts 5 to rotate synchronously, causing the shifting rod 6 to rotate accordingly, driving the larger stalks and leaves to be discharged from the first discharge trough 7. Then, the output end of the second drive motor 23 rotates with the third main shaft 20, causing the multiple chopping blades 21 to rotate accordingly, chopping the stalks and leaves that enter the chopping cylinder 19 through the feed hopper 18, and then discharging them through the slag discharge trough 22.
[0040] Then, the output ends of the two third drive motors 24 respectively drive the two second main shafts 9 to rotate relative to each other, so that the two second main shafts 9 drive the threshing rod 10 to rotate relative to each other, threshing the corn cobs, and screening the corn kernels through the mesh plate 11, so that the corn kernels and relatively light impurities are discharged through the discharge port 17. At the same time, the fan 14 blows air into the air duct 15, and then discharges it through the exhaust slot 16, blowing out the relatively light impurities in the corn kernels. The corn kernels enter the collecting trough 13, and the remaining corn cobs are discharged from the second discharge trough 12 through the mesh plate 11, with better impurity removal effect, simple operation and high work efficiency.
[0041] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A self-propelled corn kernel machine impurity removal and chopping device, comprising a flat plate (1), characterized in that: The upper end surface of the flat plate (1) is fixedly connected to a support frame (2), a feed trough (3) is fixedly connected to the left side of the upper end surface of the support frame (2), a leak plate (4) is fixedly connected inside the feed trough (3), two first main shafts (5) are rotatably connected inside the feed trough (3), and the outer walls of the two first main shafts (5) are fixedly connected to a plurality of shifting rods (6) located inside the through grooves of the leak plate (4), and a first discharge trough (7) corresponding to the leak plate (4) is connected above the right end surface of the feed trough (3); The feed trough (3) is internally rotatably connected to two second main shafts (9) located below the leak plate (4), and the outer walls of the two second main shafts (9) are fixedly connected to a plurality of threshing rods (10). Two third drive motors (24) are installed below the front end surface of the feed trough (3), and the output ends of the two third drive motors (24) are fixedly connected to the two second main shafts (9), respectively. The feed trough (3) is internally fixedly connected to a mesh plate (11) located below the second main shaft (9), and the left end surface of the feed trough (3) is connected to a second discharge trough (12) corresponding to the mesh plate (11), and the lower end surface of the feed trough (3) is penetrated by a discharge port (17); The upper end surface of the flat plate (1) is provided with a debris removal mechanism; A chopping mechanism is provided below the support frame (2).
2. The self-propelled corn kernel machine impurity removal and chopping device according to claim 1, characterized in that: The impurity removal mechanism comprises a duct (15) fixedly connected to the lower end surface of the feed trough (3) through a bracket, and an outer wall of the duct (15) is connected to an exhaust trough (16) on one side close to the discharge port (17). A fan (14) is installed on the upper end surface of the flat plate (1), and the fan (14) is connected to the duct (15) through a pipeline.
3. The self-propelled corn kernel machine impurity removal and chopping device according to claim 1, characterized in that: The shredding mechanism comprises a feed hopper (18) which is fixedly connected to the upper end surface of the support frame (2); the lower end surface of the feed hopper (18) is connected to a shredding cylinder (19) located below the support frame (2); the interior of the shredding cylinder (19) is rotatably connected to a third main shaft (20); the outer wall of the third main shaft (20) is fixedly connected to a plurality of shredding blades (21); the lower part of the outer wall of the shredding cylinder (19) is connected to a slag discharge trough (22); the front end surface of the shredding cylinder (19) is mounted with a second drive motor (23); the output end of the second drive motor (23) is fixedly connected to the third main shaft (20).
4. The self-propelled corn kernel machine impurity removal and chopping device according to claim 3, characterized in that: The feed hopper (18) is located directly below the first discharge chute (7).
5. The self-propelled corn kernel machine impurity removal and chopping device according to claim 1, characterized in that: The upper end surface of the flat plate (1) is fixedly connected to a collecting trough (13) located directly below the discharge port (17).
6. The self-propelled corn kernel machine impurity removal and chopping device according to claim 1, characterized in that: A first drive motor (8) is mounted above the front end surface of the feed trough (3) via a bracket, and an output end of the first drive motor (8) is fixedly connected to a first main shaft (5) located on the right side, and the two first main shafts (5) are connected via a belt drive.