Discharging structure of corn harvester

By introducing a drive shaft and cutting components into the discharge structure of the corn harvester, the problem of corn stalks getting stuck was solved, achieving efficient material discharge and reducing the damage rate and maintenance requirements of the device.

CN223452454UActive Publication Date: 2025-10-21SHANDONG DAFENG MASCH CO LTD
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Patent Information

Application Number
CN202422835494.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-20
Publication Date
2025-10-21
Estimated Expiration
2034-11-20

AI Technical Summary

Technical Problem

Corn stalks and other materials are easily stuck during the discharge process of the corn harvester, affecting its efficiency.

Method used

A drive shaft is installed in the discharge structure of the corn harvester, connecting the discharge fan blades and the cutting component. By utilizing the combined force of wind and the cutting component, the material is struck and cut, thus avoiding jamming.

Benefits of technology

It improves the discharge efficiency of corn harvesters and reduces the damage rate and maintenance frequency of the equipment.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223452454U_ABST
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Abstract

The utility model relates to the technical field of corn harvesters, in particular to a discharging structure of a corn harvester. Comprising a discharging shell, a driving shaft is rotationally connected to the interior of the discharging shell, the driving shaft is connected with discharging fan blades and a plurality of cutting assemblies, each cutting assembly comprises a connecting base and a cutter, the connecting bases and the driving shaft are fixedly arranged, the cutters are rotationally connected with the connecting bases, and the cutters are in a circular arc shape. According to the discharging structure, the driving shaft is arranged in the discharging shell, the discharging fan blades are connected through the driving shaft, materials can enter the discharging shell and are discharged backwards under the action of wind power, the multiple cutting assemblies are connected to the driving shaft, the materials entering the discharging shell can be beaten and cut, the discharging efficiency of the discharging structure is effectively improved, and the discharging efficiency of the discharging structure is improved. And material jamming is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to corn harvester technical field, concretely is a kind of corn harvester discharge structure. BACKGROUND

[0002] Corn harvester is the farm implement that corn is matured and is used to complete picking, stacking, stalk and other operations by machine.Corn harvester separates corn ear or corn particle during operation, and corn straw needs to be discharged outside, and the discharged corn can be used as feed for livestock breeding.

[0003] Because corn straw, corncob and the like have certain length, they are easily stuck in the inside of discharge mechanism during discharging, which affects the use efficiency of corn harvester.

[0004] Therefore, the present application provides a kind of corn harvester discharge structure, solve the problem that corn straw and the like are easily stuck in the inside of discharge mechanism during discharging in prior art, improve the discharging efficiency of corn harvester. SUMMARY

[0005] To solve the above problems, the utility model provides a kind of corn harvester discharge structure.

[0006] The utility model solves the technical scheme that it takes: a kind of corn harvester discharge structure, including discharge shell, rotationally connected with drive shaft in the inside of discharge shell, the drive shaft is connected with discharge fan leaf and a plurality of cutting components, the cutting component includes the connecting seat fixedly arranged with drive shaft and cutter, the cutter is rotationally connected with connecting seat, and the cutter is circular arc shape.

[0007] As optimization, the connecting seat includes two oppositely arranged mounting vertical plates, and the mounting vertical plates are vertically arranged with the drive shaft, and the connecting shaft is rotationally connected between the two mounting vertical plates, the number of cutters connected on each connecting shaft is 2, one end of the cutter adjacent to the drive shaft is vertically arranged with the axial direction of the drive shaft, the outer end of the cutter extends towards the outside of the mounting vertical plate, and the two cutters on a single connecting shaft are arranged in a figure-of-eight shape.

[0008] As optimization, the inside of discharge shell includes feeding cavity and discharge cavity arranged in a straight line, feeding cavity is provided with feeding port on one side, and the cutting component is arranged on the inner side of feeding port.

[0009] The other side of the discharge cavity is provided with discharge port, and the discharge fan leaf is arranged on the inner side of the discharge port, and the airflow direction in the inside of the discharge shell is feeding port, feeding cavity, discharge cavity and discharge port.

[0010] As optimization, at least one end of the drive shaft is connected with driving motor.

[0011] As an optimization, the number of the discharge blades is at least 3, and the multiple discharge blades are evenly arranged along the circumferential direction of the drive shaft.

[0012] This scheme provides a corn harvester discharging structure, which has the following advantages:

[0013] In this application, a drive shaft is set inside the discharge shell, and the discharge fan blades are connected through the drive shaft. Under the action of wind, the material can enter the discharge shell and be discharged backward. Multiple cutting components are connected to the drive shaft, which can hit and cut the material entering the discharge shell, effectively improving the discharge efficiency of the discharge structure and avoiding material jamming. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Attachment Figure 1 It is a main schematic diagram of the utility model.

[0015] Attachment Figure 2 This is a schematic diagram of the back axial side of the utility model.

[0016] Attachment Figure 3 It is a schematic diagram of the axial side of the utility model.

[0017] Attachment Figure 4 This is an axial side schematic diagram of the utility model with the discharge housing omitted.

[0018] Among them, 1. discharge shell, 2. drive shaft, 3. discharge fan blade, 4. cutter, 5. installation vertical plate, 6. connecting shaft, 7. feed port, 8. discharge port. DETAILED DESCRIPTION

[0019] like Figures 1-4 As shown, a corn harvester discharge structure includes a discharge shell 1, the interior of the discharge shell 1 is rotatably connected to a drive shaft 2, the drive shaft 2 is connected to a discharge fan 3 and a plurality of cutting components, the cutting component includes a connecting seat fixed to the drive shaft 2 and a cutter 4, the cutter 4 is rotatably connected to the connecting seat, and the cutter 4 is arc-shaped.

[0020] The bottom of the cutter 4 is arranged adjacent to the drive shaft 2, and cutting edges are provided at the outer end of the cutter 4 and along its length.

[0021] like Figure 4 As shown, the connecting seat includes two oppositely arranged mounting uprights 5, the mounting uprights 5 are arranged perpendicular to the drive shaft 2, and a connecting shaft 6 is rotatably connected between the two mounting uprights 5. The number of cutters 4 connected to each connecting shaft 6 is 2, and the end of the cutter 4 adjacent to the drive shaft 2 is arranged perpendicular to the axial direction of the drive shaft 2. The outer end of the cutter 4 extends toward the outside of the mounting uprights 5, and the two cutters 4 on a single connecting shaft 6 are arranged in an eight-shaped shape.

[0022] The connecting shaft 6 can rotate relative to the mounting vertical plate 5, and when the cutter 4 encounters a large resistance, the cutter 4 can rotate to buffer and avoid damage to the cutter 4 or the device.

[0023] In another embodiment of the present application, the connecting shaft 6 can be fixedly connected with the mounting vertical plate 5, and when the connecting shaft 6 is fixedly connected with the mounting vertical plate 5, the cutter 4 can be rotatably connected with the connecting shaft 6.

[0024] When the driving shaft 2 rotates, the outer end of the cutter 4 is arranged in a circular arc shape, so that the cutter 4 can be extended outward under the action of centrifugal force.

[0025] As shown in Figures 1-3 The inside of the discharging shell 1 includes a feeding chamber and a discharging chamber arranged in a character shape, one side of the feeding chamber is provided with a feeding port 7, and the cutting assembly is arranged inside the feeding port 7;

[0026] The other side of the discharging chamber is provided with a discharging port 8, the discharging fan blade 3 is arranged inside the discharging port 8, and the airflow direction inside the discharging shell 1 is the feeding port 7, the feeding chamber, the discharging chamber, and the discharging port 8.

[0027] The feeding port 7 and the discharging port 8 can be connected with a feeding bag.

[0028] At least one end of the driving shaft 2 is connected with a driving motor.

[0029] As shown in Figures 1-3 The number of the discharging fan blades 3 is at least 3, and the plurality of discharging fan blades 3 are uniformly arranged along the circumferential direction of the driving shaft 2.

[0030] In specific use, the device is driven to rotate by the driving motor, and due to the rotation of the discharging fan blade 3, the inside of the discharging shell 1 is in a negative pressure state, which can suck the material into the inside of the feeding port 7 and discharge it outward through the discharging port 8;

[0031] When the driving shaft 2 rotates, the cutter 4 rotates with the driving shaft 2, which can hit and cut the material entering the inside of the feeding chamber, avoiding material jamming or winding;

[0032] When the material hardness is large, the cutter 4 can rotate relative to the mounting vertical plate 5, avoiding damage to the cutter 4.

[0033] The cutter 4 of the present application can effectively improve the discharging efficiency of the device, and has a low damage rate, without frequent maintenance and replacement of the cutter 4.

[0034] The above specific embodiments are only specific cases of the present application, and the patent protection scope of the present application includes but is not limited to the product forms and styles of the above specific embodiments. Any appropriate changes or modifications made by any person skilled in the corresponding technical field to the corn harvester discharge structure according to the claims of the present application shall fall within the patent protection scope of the present application.

Claims

1. A corn harvester unloading structure comprising an unloading housing (1), characterized in that: The inside of the discharging shell (1) is rotationally connected with a driving shaft (2), the driving shaft (2) is connected with a discharging fan blade (3) and several cutting assemblies, the cutting assembly comprises a connecting seat fixedly arranged with the driving shaft (2) and a cutter (4), the cutter (4) is rotationally connected with the connecting seat, and the cutter (4) is in a circular arc shape.

2. A corn harvester unloading structure according to claim 1, characterized in that: The connecting seat comprises two oppositely arranged mounting vertical plates (5), the mounting vertical plates (5) are vertically arranged with the driving shaft (2), the two mounting vertical plates (5) are rotationally connected with connecting shafts (6) therebetween, the number of the cutters (4) connected on each connecting shaft (6) is 2, one end of the cutter (4) adjacent to the driving shaft (2) is vertically arranged with the axial direction of the driving shaft (2), and the outer end of the cutter (4) extends towards the outside of the mounting vertical plate (5); the two cutters (4) on a single connecting shaft (6) are arranged in an eight-character shape.

3. A corn harvester unloading structure according to claim 1, characterized in that: The inside of the discharging shell (1) comprises a feeding cavity and a discharging cavity arranged in a character shape, one side of the feeding cavity is provided with a feeding port (7), and the cutting assembly is arranged on the inner side of the feeding port (7); The other side of the discharging cavity is provided with a discharging port (8), the discharging fan blade (3) is arranged on the inner side of the discharging port (8), and the airflow direction in the discharging shell (1) is the feeding port (7), the feeding cavity, the discharging cavity and the discharging port (8).

4. A corn harvester unloading structure according to claim 1, characterized in that: At least one end of the driving shaft (2) is connected with a driving motor.

5. A corn harvester unloading structure according to claim 3, characterized in that: The number of the discharging fan blades (3) is at least 3, and the plurality of discharging fan blades (3) are uniformly arranged along the circumferential direction of the driving shaft (2).