Middle-mounted secondary impurity removal cleaning device

Abstract

The utility model belongs to the technical field of impurity removal and cleaning, and particularly relates to a middle-mounted secondary impurity removal and cleaning device which comprises a bract primary impurity removal and cleaning mechanism and a bract secondary impurity removal and cleaning mechanism matched with the bract primary impurity removal and cleaning mechanism in parallel. A primary impurity removal auger is arranged above the primary cleaning sieve plate, a secondary impurity removal auger is hinged to the interior of the bract secondary impurity removal cleaning mechanism, a bottom rack is arranged at the lower end of the secondary impurity removal rack, a grain auger is hinged to the bottom rack, and a cavity where the grain auger is located is connected with the inlet end of a grain elevator. A grain collecting hopper is arranged at the outlet end of the grain elevator, bracts are subjected to primary and secondary bract impurity removal and primary and secondary grain collection, the grain collection amount on the bracts is larger, the two impurity removal mechanisms are arranged in parallel, the structure is more compact, and the trafficability on a harvester is higher.

Description

Technical Field

[0001] The present application belongs to the technical field of debris removal and cleaning, and in particular, relates to a centrally mounted secondary debris removal and cleaning device. Background Art

[0002] At present, when harvesting crops, such as corn, medium-sized harvesters have a moderate harvest volume and a moderate amount of bracts to process. Unlike large harvesters, which process a large amount of corn, medium-sized harvesters need more passability in the farmland, which makes the structure of medium-sized harvesters more compact, which requires a compact design of the grain recovery part. Utility Model Content

[0003] In order to solve the above problems, the present application provides a built-in secondary impurity removal and cleaning device.

[0004] The purpose of the present application is to provide a built-in secondary debris removal and cleaning device, which, through primary and secondary bract removal and primary and secondary grain collection, enables a larger amount of grains to be collected on the bracts. The two debris removal mechanisms are arranged in parallel, making the structure of the present application more compact and having stronger passability on the harvester.

[0005] In order to achieve the purpose of this application, the technical solution of this application is:

[0006] A centrally mounted secondary impurity removal and cleaning device comprises a primary impurity removal and cleaning mechanism for bracts and a secondary impurity removal and cleaning mechanism for bracts which cooperates in parallel with the primary impurity removal and cleaning mechanism for bracts, the primary impurity removal and cleaning mechanism for bracts being arranged above the secondary impurity removal and cleaning mechanism for bracts, the primary impurity removal and cleaning mechanism for bracts comprising a peeling frame, the lower end of the peeling frame being a primary cleaning screen plate, a primary impurity removal agitator being hingedly arranged in the peeling frame, the primary impurity removal agitator being arranged above the primary cleaning screen plate, the secondary impurity removal and cleaning mechanism for bracts comprising a secondary impurity removal frame, the lower end of the secondary impurity removal frame being a secondary cleaning screen plate, a secondary impurity removal agitator being hingedly arranged on the secondary impurity removal frame, a bottom frame being arranged at the lower end of the secondary impurity removal frame, a grain agitator being hingedly arranged on the bottom frame, the cavity where the grain agitator is located is connected to the inlet end of a grain elevator, and a grain collecting bucket is arranged at the outlet end of the grain elevator.

[0007] Furthermore, the secondary cleaning screen plate is arranged obliquely below the primary cleaning screen plate.

[0008] Furthermore, a connecting sieve plate is provided at the end of the primary cleaning sieve plate, and the connecting sieve plate is connected to the secondary cleaning sieve plate.

[0009] Furthermore, the primary debris removal auger is arranged obliquely above the secondary debris removal auger.

[0010] Furthermore, the primary cleaning screen plate is an arc-shaped plate.

[0011] Furthermore, the secondary cleaning screen plate is a curved plate.

[0012] Furthermore, the lower end of the bottom frame is an arc-shaped plate, and the arc-shaped plate below the grain auger forms a cavity where the grain auger is located.

[0013] Furthermore, the primary debris removal auger, the secondary debris removal auger and the grain auger are all arranged in parallel.

[0014] Furthermore, the grain auger is arranged directly below the primary impurity removal auger, and the grain auger is arranged obliquely below the secondary impurity removal auger.

[0015] Furthermore, the connecting sieve plates are inclined plates.

[0016] Compared with the prior art, the beneficial effects of this application are:

[0017] 1. The present application realizes parallel coordination of the primary bract removal and cleaning mechanism, the secondary bract removal and cleaning mechanism, and the grain agitator structure, so that the bract removal and grain recovery are extended along the height direction, and no parts protrude from the body of the harvester, thereby making the harvester using the present application more passable.

[0018] 2. The present application has a primary bract cleaning mechanism and a secondary bract cleaning mechanism. After the bracts pass through the primary bract cleaning mechanism, the bracts rotate and enter the secondary bract cleaning mechanism to move again. During this process, the grains on the bracts not only enter the cavity where the grain agitator is located along the sieve holes of the primary cleaning sieve plate, but also enter the cavity where the grain agitator is located along the sieve holes of the secondary cleaning sieve plate, so that the grains are collected through the secondary cleaning, and the amount of grain recovery is greater. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings in the specification, which constitute a part of the present application, are used to provide further understanding of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute improper limitations on the present application.

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the present application in one direction;

[0021] Figure 2 It is a schematic diagram of the three-dimensional structure of the present application in another direction;

[0022] Figure 3 It is a schematic diagram of the top view structure of this application;

[0023] Figure 4 This is a schematic diagram of the front view structure of this application.

[0024] In the figure:

[0025] 1. Peeling rack, 2. Primary impurity removal auger, 3. Primary cleaning sieve plate, 4. Secondary impurity removal rack, 5. Secondary impurity removal auger, 6. Bottom rack, 7. Grain auger, 8. Grain elevator, 9. Grain collecting bucket, 10. Secondary cleaning sieve plate, 11. Connecting sieve plate. DETAILED DESCRIPTION

[0026] The present application is further described below in conjunction with the accompanying drawings and embodiments.

[0027] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0028] In the present application, terms such as "upper", "lower", "left", "right", "front", "back", "vertical", "horizontal", "side", "bottom", etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings. They are relational words determined only for the convenience of describing the structural relationships of the various parts or elements of the present application, and do not specifically refer to any part or element in the present application and should not be understood as limitations on the present application.

[0029] Example 1

[0030] The present embodiment is a centrally mounted secondary debris removal and cleaning device, which is generally used for medium-sized harvesters. While ensuring the removal of bracts and the recovery of grains, the passability of the harvester must also be ensured. The present embodiment includes a primary bract removal and cleaning mechanism and a secondary bract removal and cleaning mechanism coordinated with the primary bract removal and cleaning mechanism. From a spatial point of view, the primary bract removal and cleaning mechanism is arranged above the secondary bract removal and cleaning mechanism, and in the present embodiment, it is obliquely above. The primary bract removal and cleaning mechanism and the secondary bract removal and cleaning mechanism are arranged in parallel.

[0031] Structurally, the primary impurity removal and cleaning mechanism for bracts includes a peeling frame 1, which has a frame structure of square steel pipes welded together and an iron structure fixed on the frame structure. The lower end of the peeling frame 1 is a primary cleaning screen plate 3, and a primary impurity removal agitator 2 is hingedly installed in the peeling frame 1. The primary impurity removal agitator 2 is arranged above the primary cleaning screen plate 3, and the primary cleaning screen plate 3 surrounds a cavity where the primary impurity removal agitator 2 is located. The secondary impurity removal and cleaning mechanism for bracts includes a secondary impurity removal frame 4, and the secondary impurity removal frame 4 has the same structural type as the peeling frame 1. The lower end of the secondary impurity removal frame 4 is a secondary cleaning screen plate 10, and both the primary cleaning screen plate 3 and the secondary cleaning screen plate 10 have sieve holes. The primary cleaning screen plate 3 is an arc-shaped plate, and the secondary cleaning screen plate 10 is also an arc-shaped plate. shaped plate, a secondary impurity removal augers 5 are hingedly installed on the secondary impurity removal frame 4, the number of primary impurity removal augers 2 and secondary impurity removal augers 5 are both one, more specifically, the secondary cleaning sieve plate 10 is arranged obliquely below the primary cleaning sieve plate 3, the primary impurity removal augers 2 is arranged obliquely above the secondary impurity removal augers 5, a connecting sieve plate 11 is installed at the end of the primary cleaning sieve plate 3, the connecting sieve plate 11 is connected to the secondary cleaning sieve plate 10, the connecting sieve plate 11 is an inclined plate, and sieve holes are also provided on the connecting sieve plate 11, the bracts move in the primary cleaning sieve plate 3 under the action of the primary impurity removal augers 2, at the end of the primary cleaning sieve plate 3, the bracts enter the secondary cleaning sieve plate 10 along the connecting sieve plate 11, and under the action of the secondary impurity removal augers 5, the bracts fall into the collecting bag or outside the harvester.

[0032] In this embodiment, a bottom frame 6 is installed at the lower end of the secondary impurity removal frame 4. In this embodiment, the bottom frame 6 is arranged obliquely below the secondary impurity removal frame 4, and the bottom frame 6 is arranged directly below the peeling frame 1, so that the grains passing through the primary cleaning sieve plate 3, the secondary cleaning sieve plate 10 and the connecting sieve plate 11 all fall into the bottom frame 6, and a grain agitator 7 is hingedly installed on the bottom frame 6. The cavity where the grain agitator 7 is located is connected to the inlet end of the grain elevator 8, and a grain collecting bucket 9 is installed at the outlet end of the grain elevator 8. The lower end of the bottom frame 6 is an arc plate, and the arc plate below the grain agitator 7 surrounds the cavity where the grain agitator 7 is located.

[0033] In this embodiment, the primary impurity removal auger 2 , the secondary impurity removal auger 5 and the grain auger 7 are all arranged in parallel, the grain auger 7 is arranged directly below the primary impurity removal auger 2 , and the grain auger 7 is arranged obliquely below the secondary impurity removal auger 5 .

[0034] The above are only preferred embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

[0035] Although the above describes the specific implementation methods of the present application in conjunction with the accompanying drawings, it is not intended to limit the scope of protection of the present application. Technical personnel in the relevant field should understand that on the basis of the technical solution of the present application, various modifications or deformations that can be made by technical personnel in this field without creative work are still within the scope of protection of the present application.

Claims

1. A centrally mounted secondary impurity removal and cleaning device, characterized in that: It comprises a primary bract cleaning mechanism and a secondary bract cleaning mechanism which cooperates with the primary bract cleaning mechanism in parallel, wherein the primary bract cleaning mechanism is arranged above the secondary bract cleaning mechanism; The primary impurity removal and cleaning mechanism for husks comprises a peeling frame (1), the lower end of the peeling frame (1) is a primary cleaning screen plate (3), a primary impurity removal agitator (2) is hingedly arranged in the peeling frame (1), and the primary impurity removal agitator (2) is arranged above the primary cleaning screen plate (3); the secondary impurity removal and cleaning mechanism for husks comprises a secondary impurity removal frame (4), the lower end of the secondary impurity removal frame (4) is a secondary cleaning screen plate (10), a secondary impurity removal agitator (5) is hingedly arranged on the secondary impurity removal frame (4), a bottom frame (6) is arranged at the lower end of the secondary impurity removal frame (4), a grain agitator (7) is hingedly arranged on the bottom frame (6), the cavity where the grain agitator (7) is located is connected to the inlet end of a grain elevator (8), and a grain collecting bucket (9) is arranged at the outlet end of the grain elevator (8).

2. A centrally mounted secondary impurity removal and cleaning device as claimed in claim 1, characterized in that: The secondary cleaning screen plate (10) is arranged obliquely below the primary cleaning screen plate (3).

3. A centrally mounted secondary impurity removal and cleaning device as claimed in claim 2, characterized in that: A connecting sieve plate (11) is provided at the end of the primary cleaning sieve plate (3), and the connecting sieve plate (11) is connected to the secondary cleaning sieve plate (10).

4. A centrally mounted secondary impurity removal and cleaning device as claimed in claim 1, characterized in that: The primary impurity removal auger (2) is arranged obliquely above the secondary impurity removal auger (5).

5. A centrally mounted secondary impurity removal and cleaning device as claimed in claim 1, characterized in that: The primary cleaning screen plate (3) is an arc-shaped plate.

6. A centrally mounted secondary impurity removal and cleaning device as claimed in claim 1, characterized in that: The secondary cleaning screen plate (10) is an arc-shaped plate.

7. A centrally mounted secondary impurity removal and cleaning device as claimed in claim 1, characterized in that: The lower end of the bottom frame (6) is an arc-shaped plate, and the arc-shaped plate below the grain agitator (7) encloses a cavity in which the grain agitator (7) is located.

8. A centrally mounted secondary impurity removal and cleaning device as claimed in claim 1, characterized in that: The primary impurity removal auger (2), the secondary impurity removal auger (5) and the seed auger (7) are all arranged in parallel.

9. A centrally mounted secondary impurity removal and cleaning device as claimed in claim 8, characterized in that: The seed auger (7) is arranged directly below the primary impurity removal auger (2), and the seed auger (7) is arranged obliquely below the secondary impurity removal auger (5).

10. A centrally mounted secondary impurity removal and cleaning device as claimed in claim 3, characterized in that: The connecting sieve plate (11) is an inclined plate.

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