Harvester residue processing device

By introducing a waste treatment device into the harvester and utilizing the gap separation technology between the toothed plate and the fixed tooth, the problem of incomplete separation caused by the large gap of the re-threshing unit is solved, thereby improving the threshing rate and operating efficiency, and reducing the risk of clogging and grain loss.

CN223816530UActive Publication Date: 2026-01-23YUAN YI KE JI (CHANG ZHOU) YOU XIAN GONG SI
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Patent Information

Application Number
CN202423291083.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2026-01-23
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

The gaps in the existing harvester's re-threshing device are too large, resulting in incomplete separation of grains from branches and stems, affecting the threshing rate and separation quality, and it is also prone to clogging, reducing operating efficiency and increasing grain loss.

Method used

A harvester waste processing device was designed, which adopts a waste lifting auger combination and a horizontal conveying auger combination. The unthreshed grains and branches are separated by the gap between the toothed plate and the fixed tooth. The transmission system is optimized by combining the conveying component and the gearbox combination to improve the separation effect.

Benefits of technology

It achieves complete separation of grains from stems, improves threshing rate and separation quality, reduces the risk of clogging, increases operational efficiency and reduces grain loss.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of harvesters, in particular to a residue processing device of a harvester. Comprising a residue treatment shell, a residue lifting auger combination is installed on one side of the residue treatment shell, a residue horizontal conveying auger combination is installed on the other side of the residue treatment shell, and the residue lifting auger combination and the residue horizontal conveying auger combination are arranged in a space perpendicular mode. The impurity lifting auger combination is connected with the impurity horizontal conveying auger combination through a gear box combination; a tooth-shaped plate is installed on a conveying auger shaft of the impurity horizontal conveying auger combination in the impurity processing shell, a plurality of fixing teeth are installed on the inner circumferential wall of the impurity processing shell, and gaps are formed between the tooth-shaped plate and the fixing teeth. The gap of the rethreshing device is reduced, so that grains which are not completely threshed, broken spike heads, impurities, a small amount of short stalks and the like are thoroughly separated, the threshing rate of grains is improved, the breakage rate is reduced, the separation quality is improved, the blocking risk and grain loss are reduced, and therefore the overall operation effect of the harvester is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a harvester technical field especially a harvester sundry processing device. BACKGROUND

[0002] The reclaimer is located at the bottom of the harvester, and the function is to separate the grains and branches of the crops, and at the same time, the airflow regulator is used to separate the unthreshed grains, broken heads, sundries and a small amount of short stems in the crops, so as to facilitate the subsequent processing,

[0003] The reclaimer is usually composed of multiple rotating or vibrating screens, the grains are small and fall into the collector below through the gap of the screen, and the branches are large and cannot pass through the gap of the screen, continuing to run forward.

[0004] The existing harvester reclaimer has a large gap, and the large gap leads to incomplete separation of grains and branches, incomplete threshing, so that part of the grains still adhere to the branches, resulting in a decrease in separation quality and affecting the subsequent cleaning effect, thereby reducing the threshing rate.

[0005] At the same time, the reclaimer does not fully play the role of rethreshing, resulting in a large amount of sundries and straw circulating back and forth, reducing the work efficiency, and requiring more frequent cleaning of the reclaimer to prevent blockage and maintain work efficiency.

[0006] In addition, the large gap leads to a large amount of sundries and straw entering the reclaimer, causing overload operation, thereby causing the reclaimer to be blocked; also due to incomplete rethreshing, the grain loss increases, especially under wet conditions, the grain loss may be greater. SUMMARY

[0007] The utility model solves the technical problems: in order to solve the problems existing in the prior art in the above background art, provide a kind of harvester sundry processing device.

[0008] The utility model solves the technical problems and adopts the technical scheme that a kind of harvester sundry processing device, including sundry processing shell, the sundry processing shell one side is equipped with sundry lifting auger combination, and the other side of sundry processing shell is equipped with sundry horizontal conveying auger combination, and the space of between sundry lifting auger combination and sundry horizontal conveying auger combination is vertically arranged, and is connected between sundry lifting auger combination and sundry horizontal conveying auger combination by gear box combination.

[0009] The gear plate is installed on the conveying auger shaft of the sundry horizontal conveying auger combination in the sundry processing shell, and a plurality of fixed teeth are installed on the inner circumferential wall of the sundry processing shell, and the gap between the gear plate and the fixed tooth.

[0010] Further, the tooth-shaped plates are installed on the conveying auger shaft of the waste horizontal conveying auger combination through the connecting plates, the number of the tooth-shaped plates is 2, and the tooth-shaped plates are symmetrically arranged, and a plurality of rectangular teeth are arranged at the working end edges of the tooth-shaped plates.

[0011] Further, the gap between the tooth-shaped plates and the fixed teeth is 5-10 mm.

[0012] Further, the vertical section shape of the fixed teeth is in the shape of a "N" character, and the opening of the fixed teeth faces the tooth-shaped plates.

[0013] Further, the conveying assembly is installed on the waste treatment shell, the conveying assembly comprises a conveying shell, a large gear and a small gear are installed in the conveying shell, the large gear and the small gear are connected through a conveying chain, the large gear is installed on the first bevel gear in the gear box combination, and the small gear is installed on the conveying auger shaft of the waste horizontal conveying auger combination.

[0014] Further, the shell of the conveying shell is provided with an adjusting hole, and a tension gear is installed in the adjusting hole.

[0015] Further, the gear box combination comprises a gear box shell, a first bevel gear and a second bevel gear, the first bevel gear and the second bevel gear are installed in the gear box shell, the first bevel gear is installed on the conveying shell in the conveying assembly, the second bevel gear is installed on the lifting auger shaft of the waste lifting auger combination, and the first bevel gear is engaged with the second bevel gear.

[0016] The utility model discloses the gap of retractor is reduced, makes the separation of the seed grain that has not been completely separated, broken ear head, waste and a small amount of short stalk etc. is thorough, improves the complete separation rate of grain and reduces the broken rate, improves the separation quality, reduces the risk of jam and grain loss, thereby improves the overall operation effect of harvester. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model will be further explained in connection with the drawings and examples.

[0018] Figure 1 It is the structure schematic diagram of the utility model;

[0019] Figure 2 It is the structure schematic diagram of the utility model that removes the conveying shell in conveying assembly;

[0020] Figure 3 It is the explosion drawing of the utility model;

[0021] Figure 4 It is the structure schematic diagram of the utility model that removes the waste treatment shell and the gear box shell;

[0022] Figure 5 It is the structure schematic diagram of the waste treatment shell of the utility model;

[0023] In the figure: 1. Transmission chain, 2. Refuse treatment housing, 3. Refuse lifting auger assembly, 4. Gearbox assembly, 5. Refuse horizontal conveying auger assembly, 6. Transmission component, 7. Transmission housing, 8. Large gear, 9. Small gear, 10. First bevel gear, 11. Conveying auger shaft, 12. Adjusting hole, 13. Tensioning gear, 14. Second bevel gear, 15. Lifting auger shaft, 16. Tooth-shaped plate, 17. Fixed tooth, 18. Connecting plate. Specific embodiments

[0024] Now, the present utility model will be further described in detail with reference to the accompanying drawings. These drawings are all simplified schematic diagrams, only illustrating the basic structure of the present utility model in a schematic manner, so they only show the components related to the present utility model.

[0025] As Figures 1-5 shown, a refuse treatment device for a harvester includes a refuse treatment housing 2. A refuse lifting auger assembly 3 is installed on one side of the refuse treatment housing 2, and a refuse horizontal conveying auger assembly 5 is installed on the other side of the refuse treatment housing 2. The space between the refuse lifting auger assembly 3 and the refuse horizontal conveying auger assembly 5 is vertically arranged, and the refuse lifting auger assembly 3 and the refuse horizontal conveying auger assembly 5 are connected by a gearbox assembly 4;

[0026] A tooth-shaped plate 16 is installed on the conveying auger shaft 11 of the refuse horizontal conveying auger assembly 5 in the refuse treatment housing 2, and a number of fixed teeth 17 are installed on the inner circumferential wall of the refuse treatment housing 2. There is a gap between the tooth-shaped plate 16 and the fixed teeth 17.

[0027] As Figures 3-5 shown, the tooth-shaped plate 16 is installed on the conveying auger shaft 11 of the refuse horizontal conveying auger assembly 5 through a connecting plate 18. The number of tooth-shaped plates 16 is 2, and they are symmetrically arranged. Multiple rectangular teeth are provided at the working end edge of the tooth-shaped plate 16.

[0028] Among them, the gap between the tooth-shaped plate 16 and the fixed teeth 17 is 5 - 10 mm. The smaller gap is convenient for improving the complete separation of grains and branches, improving the threshing rate of grains, and improving the separation quality.

[0029] The cross-sectional shape of the fixed teeth 17 in the vertical direction is in the shape of "凵", and the opening of the fixed teeth 17 faces the tooth-shaped plate 16, further improving the complete separation of unthreshed seeds, broken ear heads, refuse, and a small amount of short stalks, etc.

[0030] As Figure 2As shown, a conveying assembly 6 is installed on the waste processing housing 2. The conveying assembly 6 includes a conveying housing 7, in which a large gear 8 and a small gear 9 are installed. The large gear 8 and the small gear 9 are connected by a conveying chain 1. The large gear 8 is installed on the first bevel gear 10 in the gearbox assembly 4, and the small gear 9 is installed on the conveying auger shaft 11 of the waste horizontal conveying auger assembly 5.

[0031] In addition, the housing of the transmission housing 7 is provided with an adjustment hole 12, and a tension gear 13 is installed in the adjustment hole 12 to maintain the appropriate tension of the chain, so as to ensure the efficient operation of the transmission system and ensure the continuity and effectiveness of the transmission.

[0032] The gearbox assembly 4 includes a gearbox housing, a first bevel gear 10, and a second bevel gear 14. The first bevel gear 10 and the second bevel gear 14 are installed inside the gearbox housing. The first bevel gear 10 is installed on the conveyor housing 7 in the conveying assembly, and the second bevel gear 14 is installed on the lifting auger shaft 15 of the waste lifting auger assembly 3. The first bevel gear 10 and the second bevel gear 14 mesh with each other.

[0033] Work process:

[0034] The grain to be threshed is fed through the conveying unit, enters the waste treatment shell 2 through the waste lifting auger assembly 3, and is threshed through the toothed plate 16 and the fixed tooth 17. The threshed grain is then sent out through the waste horizontal conveying auger assembly 5.

[0035] Based on the above-described preferred embodiments of this utility model, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. A harvester waste processing device, characterized in that: It includes a residue treatment housing (2). A residue lifting auger assembly (3) is installed on one side of the residue treatment housing (2), and a residue horizontal conveying auger assembly (5) is installed on the other side of the residue treatment housing (2). The space between the residue lifting auger assembly (3) and the residue horizontal conveying auger assembly (5) is vertically arranged, and they are connected by a gearbox assembly (4). A toothed plate (16) is installed on the conveying auger shaft (11) of the residue horizontal conveying auger assembly (5) inside the residue treatment housing (2). A number of fixed teeth (17) are installed on the inner circumferential wall of the residue treatment housing (2). There is a gap between the toothed plate (16) and the fixed teeth (17).

2. The harvester waste treatment device according to claim 1, characterized in that: The toothed plate (16) is installed on the conveying auger shaft (11) of the residue horizontal conveying auger assembly (5) through a connecting plate (18). The number of toothed plates (16) is 2, and they are symmetrically arranged. Multiple rectangular teeth are provided at the working end edge of the toothed plate (16).

3. The harvester waste treatment device according to claim 1, characterized in that: The gap between the toothed plate (16) and the fixed teeth (17) is 5 - 10 mm.

4. The harvester waste treatment device according to claim 1, characterized in that: The cross-sectional shape of the fixed teeth (17) in the vertical direction is "凵"-shaped, and the opening of the fixed teeth (17) faces the toothed plate (16).

5. The harvester waste treatment device according to claim 1, characterized in that: A conveying component (6) is installed on the residue treatment housing (2). The conveying component (6) includes a conveying housing (7). A large gear (8) and a small gear (9) are installed inside the conveying housing (7). The large gear (8) and the small gear (9) are connected by a conveying chain (1). The large gear (8) is installed on the first bevel gear (10) in the gearbox assembly (4), and the small gear (9) is installed on the conveying auger shaft (11) of the residue horizontal conveying auger assembly (5).

6. The harvester waste treatment device according to claim 5, characterized in that: An adjustment hole (12) is provided on the housing of the conveying housing (7), and a tensioning gear (13) is installed in the adjustment hole (12).

7. The harvester waste treatment device according to claim 1, characterized in that: The gearbox assembly (4) includes a gearbox housing, a first bevel gear (10) and a second bevel gear (14). The first bevel gear (10) and the second bevel gear (14) are installed inside the gearbox housing. The first bevel gear (10) is installed on the conveying housing (7) in the conveying component, and the second bevel gear (14) is installed on the lifting auger shaft (15) of the residue lifting auger assembly (3). The first bevel gear (10) and the second bevel gear (14) are meshed with each other.