Efficient fan impurity discharging structure of corn harvester
By introducing a side-mounted debris removal mechanism into the debris removal system of a corn harvester, and utilizing the design of a side connecting chamber and an extension chamber, the problem of debris accumulation in the arc-shaped debris removal chamber is solved, enabling the smooth discharge of debris and improving the machine's working efficiency and convenience.
Patent Information
- Application Number
- CN202423235795.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2034-12-27
AI Technical Summary
In existing corn harvesters, the arc-shaped discharge chamber easily leads to the accumulation of debris, causing blockage of the discharge port and affecting working performance.
A side debris removal mechanism is added to the debris removal system of the corn harvester, including a second debris removal fan, a power chamber and a side connecting chamber. The side connecting chamber increases the air output to prevent debris accumulation, and the discharge situation is monitored through the extension chamber and transparent observation window.
It effectively prevents debris from clogging the discharge port, improving the working performance and ease of use of the corn harvester.
Smart Images

Figure CN223899804U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to corn harvester technical field, concretely is a corn harvester high -efficient fan structure of impurity removal. BACKGROUND
[0002] The corn harvester is the agricultural implement that uses the machine to complete the earing, the stacking, the stem and the one-time returning to field of multiple operations of corn once when corn matures.
[0003] When the stem is returned to the field, the corn straw after earing is cut into sections by the chopping knife, and is lifted to the impurity removal system through the lifting system, and the corn straw and other sundries are blown out under the action of the impurity removal fan, the shapes of the impurity removal chambers in different types of corn harvesters are different, for the arc-shaped structure of the impurity removal chamber, part of the sundries is tightly attached to the inside of the impurity removal chamber under the action of the wind when the fan blows out the sundries, which causes the sundries to accumulate too much, and further causes the impurity removal port to be blocked, so that the sundries cannot be smoothly removed, and the working performance of the corn harvester is affected. SUMMARY
[0004] The technical problem to be solved by the utility model is to overcome the defects of the prior art, provide a corn harvester high -efficient fan structure of impurity removal, which can prevent the corn straw and other sundries from blocking the impurity removal port, ensure that the sundries are smoothly removed, and effectively solve the problems in the background art.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a corn harvester high -efficient fan structure of impurity removal, including lifting system and impurity removal system, the lifting system and impurity removal system are communicated, the impurity removal system includes first impurity removal fan, communication room and impurity removal chamber, the first impurity removal fan is arranged in the communication room, one side of the communication room is communicated with the impurity removal chamber, one side of the communication room is provided with side edge impurity removal mechanism, the side edge impurity removal mechanism includes second impurity removal fan, power room and side communication room, the power room is arranged in one side of the communication room, the second impurity removal fan is arranged in the power room, one end of the side communication room is communicated with the power room, the other end of the side communication room is communicated with the side of the impurity removal chamber.
[0006] As a preferred technical scheme of the utility model, the shape of the side communication room is arc-shaped.
[0007] As a preferred technical scheme of the utility model, the side communication room and the power room are connected through connecting bolts, and the side of the impurity removal chamber and the side communication room are integrally connected.
[0008] As a preferred technical scheme of the utility model, one end of the impurity removal chamber is integrally connected with an extension chamber.
[0009] As a preferred technical scheme of the utility model, an observation window is arranged at the upper end of the impurity removal chamber, and the observation window is made of transparent material.
[0010] Compared with the prior art, the corn harvester high-efficiency fan impurity removal structure has the advantages that the design is reasonable and the conception is ingenious, the side impurity removal mechanism is arranged on one side of the original impurity removal system, the position where the corn straws and other impurities are accumulated is blown out by the side wind, and thus the impurities are prevented from being accumulated in the impurity removal port. BRIEF DESCRIPTION OF DRAWINGS
[0011] Figure 1 It is another structure schematic view of the utility model;
[0012] Figure 2 It is another structure schematic view of the utility model.
[0013] In the drawing: 1 lifting system, 2 impurity removal system, 21 communication chamber, 22 impurity removal chamber, 3 side impurity removal mechanism, 31 power chamber, 32 connecting bolt, 33 side communication chamber, 4 extension chamber, 5 observation window. DETAILED DESCRIPTION
[0014] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments (for the convenience of description and understanding, the following description is made with the upper side as the upper side). Figure 1 Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.
[0015] Please refer to Figures 1-2 The utility model provides a kind of technical solutions: a kind of corn harvester high-efficiency fan impurity removal structure, including lifting system 1 and impurity removal system 2, lifting system 1 and impurity removal system 2 are communicated, impurity removal system 2 includes first impurity removal fan, communication chamber 21 and impurity removal chamber 22, first impurity removal fan is arranged in communication chamber 21, communication chamber 21 is used to communicate lifting system 1 and impurity removal chamber 22;
[0016] The side of communication chamber 21 is provided with side impurity removal mechanism 3, side impurity removal mechanism 3 includes second impurity removal fan, power chamber 31 and side communication chamber 33, power chamber 31 is arranged on the side of communication chamber 21, second impurity removal fan is arranged in power chamber 31, one end of side communication chamber 33 is communicated with power chamber 31, the other end of side communication chamber 33 is communicated with the side of impurity removal chamber 22, under the action of second impurity removal fan, increase side wind power output, and the straws and other impurities accumulated in arc impurity removal chamber 22 are blown out.
[0017] In order to avoid interference with impurity removal chamber 22, and at the same time facilitate the connection of side communication chamber 33 and impurity removal chamber 22, the shape of side communication chamber 33 is arc-shaped.
[0018] In order to improve the connection stability of the side communication chamber 33, the side communication chamber 33 is connected with the power chamber 31 through the connecting bolt 32, and the side of the side communication chamber 33 and the side of the impurity discharge chamber 22 are integrally connected.
[0019] In order to facilitate the complete discharge of impurities, one end of the impurity discharge chamber 22 is integrally connected with the extension chamber 4, and the impurity discharge space is increased.
[0020] In order to facilitate the observation of the impurity discharge condition, the upper end of the impurity discharge chamber 22 is provided with the observation window 5, and the observation window 5 is made of transparent material.
[0021] In use: the lifting system 1 lifts the straw and other impurities into the communication chamber 21, and under the action of the first impurity discharge fan, the straw is blown into the impurity discharge chamber 22 and discharged, and at the same time, the second impurity discharge fan is opened, the wind power is sent into the position where the straw is easy to accumulate through the side communication chamber 33, and the accumulated straw and other impurities are blown out into the extension chamber 4 and discharged into the field.
[0022] The utility model can effectively prevent the arc-shaped impurity discharge chamber of the corn harvester from being blocked when discharging straw and other impurities, avoid affecting the working performance of the corn harvester, and improve the use convenience.
[0023] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A high-efficiency fan impurity removal structure of a corn harvester, comprising a lifting system (1) and an impurity removal system (2), wherein the lifting system (1) and the impurity removal system (2) are communicated, the impurity removal system (2) comprises a first impurity removal fan, a communication chamber (21) and an impurity removal chamber (22), the first impurity removal fan is arranged in the communication chamber (21), and one side of the communication chamber (21) is communicated with the impurity removal chamber (22), and characterized in that: One side of the communication chamber (21) is provided with a side edge impurity removal mechanism (3), which comprises a second impurity removal fan, a power chamber (31) and a side communication chamber (33), the power chamber (31) is arranged on one side of the communication chamber (21), the second impurity removal fan is arranged in the power chamber (31), one end of the side communication chamber (33) is communicated with the power chamber (31), and the other end of the side communication chamber (33) is communicated with the side of the impurity removal chamber (22). 2. The high efficiency fan impurity removal structure for a corn harvester according to claim 1, characterized in that: The shape of the side communication chamber (33) is arc-shaped.
3. The high efficiency fan impurity removal structure for a corn harvester of claim 1, wherein: The side communication chamber (33) and the power chamber (31) are connected through a connecting bolt (32), and the side communication chamber (33) and the side of the impurity removal chamber (22) are integrally connected.
4. The high efficiency fan tramp air removal structure for a corn harvester of claim 1, wherein: One end of the impurity removal chamber (22) is integrally connected with an extension chamber (4).
5. The high efficiency fan and debris removal structure for a corn harvester of claim 1, wherein: The upper end of the impurity removal chamber (22) is provided with an observation window (5), and the observation window (5) is made of transparent material.