Feeding shell of threshing system, feeding mechanism and T-shaped threshing device

Abstract

The utility model relates to a threshing system feeding shell, a feeding mechanism and a T-shaped threshing device.The threshing system feeding shell comprises a feeding cylinder and a feeding roller mounting frame, the lower half portion of a feeding opening of the feeding cylinder is connected with the feeding roller mounting frame, and a first notch and a second notch are formed in the left side and the right side of the lower half portion of the feeding opening of the feeding cylinder; a first arc plate for connecting the left lower side of the feeding port of the feeding cylinder with the feeding roller mounting rack in a transition manner is mounted at the first notch; and a second arc plate for connecting the right lower side of the feeding port of the feeding cylinder with the feeding roller mounting rack in a transition manner is mounted at the second notch. The feeding roller can be mounted on the feeding roller mounting frame, and the threshing and separating cylinder is mounted in the feeding opening shell and is matched with the feeding roller, so that the possibility of crop accumulation and blockage between the feeding opening and the inclined chamber can be reduced, the smoothness of crop passing is improved, and the threshing and separating efficiency is improved. And crops which cannot be grabbed on the two sides of the feeding opening can be thrown to the threshing separation roller, so that the feeding efficiency is improved, and the feeding amount is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of agricultural machinery, in particular to a feeding housing, a feeding mechanism and a T-shaped threshing device of a threshing system. Background Art

[0002] With the increase of grain yield, the working efficiency requirements for grain harvesters are also getting higher and higher. At present, generally there is no forced feeding device at the front end of the threshing and separating cylinder of existing grain harvesters. This easily leads to accumulation and blockage between the feeding port and the inclined chamber, repeated wear and dropping of grains resulting in grain breakage. Moreover, there is a dead zone problem on both sides of the feeding port that cannot be grabbed by the spiral blades on the threshing cylinder, which reduces the feeding amount and feeding smoothness of the whole machine, seriously affecting the performance of the machine and the working efficiency.

[0003] Even if some grain harvesters are equipped with a feeding device at the front end of the threshing and separating cylinder, the feeding effect is not good. Summary of the Utility Model

[0004] The utility model provides a feeding housing, a feeding mechanism and a T-shaped threshing device of a threshing system to solve one or several of the technical problems existing in the prior art.

[0005] The technical solution of the utility model to solve the above technical problems is as follows: A feeding housing of a threshing system includes a feeding cylinder and a feeding roller mounting frame. The lower half of the feeding port of the feeding cylinder is connected to the feeding roller mounting frame. First and second notches are opened on the left and right sides of the lower half of the feeding port of the feeding cylinder. A first arc plate for connecting the lower left side of the feeding port of the feeding cylinder and the feeding roller mounting frame is installed at the first notch, and a second arc plate for connecting the lower right side of the feeding port of the feeding cylinder and the feeding roller mounting frame is installed at the second notch.

[0006] The beneficial effect of the utility model is that: For the feeding housing of the threshing system of the utility model, the feeding roller can be installed on the feeding roller mounting frame, and the threshing and separating cylinder can be installed in the feeding port housing and used in cooperation with the feeding roller, which can reduce the possibility of crop accumulation and blockage between the feeding port and the inclined chamber, improve the smoothness of crop passing, and can throw the crops that cannot be grabbed on both sides of the feeding port to the threshing and separating cylinder, improve the feeding efficiency and increase the feeding amount.

[0007] On the basis of the above technical solution, the utility model can also be improved as follows.

[0008] Further, the feeding roller mounting bracket includes a first mounting plate, a second mounting plate and a bottom plate. The first mounting plate and the second mounting plate are respectively fixed at both ends of the bottom plate. The first mounting plate is connected to the front end of the first arc plate, and the second mounting plate is connected to the front end of the second arc plate. The bottom plate is connected to the lower end of the first arc plate, the lower end of the second arc plate and the lower end of the feeding port of the feeding cylinder.

[0009] The beneficial effects of adopting the above further scheme are as follows: By setting the first mounting plate, the second mounting plate and the bottom plate, it is convenient to install the feeding roller. Moreover, by setting the first arc plate and the second arc plate, the upper part of the feeding port is circular and the lower part is square, which can better connect with the feeding roller, improve the smoothness of crop passing, not easily appear the grasping dead zone of the spiral blade of the threshing and separating cylinder, reduce crop residue and improve the working efficiency of the machine.

[0010] Further, the first mounting plate is fixedly welded to the front end of the first arc plate, and the second mounting plate is fixedly welded to the front end of the second arc plate; The bottom plate is fixedly welded or adaptively abutted to the lower end of the first arc plate, the lower end of the second arc plate and the lower end of the feeding port of the feeding cylinder.

[0011] Further, the first mounting plate and the second mounting plate are arranged in parallel on the left and right sides of the feeding cylinder.

[0012] Further, a cross beam extending left and right is also provided between the bottom plate and the feeding port of the feeding cylinder, and the lower ends of the first mounting plate and the second mounting plate are both mounted on the cross beam.

[0013] Further, the feeding cylinder is a cylindrical cylinder or a conical cylinder, and the large end of the conical cylinder is used as the feeding port.

[0014] Further, a first connecting plate is provided between the bottom plate and the lower end of the first arc plate for transitional connection, and a second connecting plate is provided between the bottom plate and the lower end of the second arc plate for transitional connection;

[0015] Or / and, the bottom plate is an arc-shaped structure that is concave downward.

[0016] The beneficial effects of adopting the above further scheme are as follows: By setting the bottom plate as an arc-shaped structure that is concave downward, it is convenient for crops to enter the feeding cylinder.

[0017] Further, a diversion plate arranged in a threaded manner is provided on the inner side wall of the feeding cylinder;

[0018] A baffle is provided on the upper half of the feeding port of the feeding cylinder, and a feeding roller upper cover plate that shields the feeding roller on the feeding roller mounting bracket is provided on the baffle.

[0019] A feeding mechanism includes the above-mentioned feeding housing of the threshing system, and also includes a feeding roller. Both ends of the feeding roller are installed on the feeding roller mounting frame and are arranged perpendicular to the central axis of the feeding cylinder.

[0020] The beneficial effect of the present utility model is that the feeding mechanism of the present utility model can install the threshing and separating cylinder in the feeding port weldment and cooperate with the feeding roller, which can reduce the possibility of crop accumulation and blockage between the feeding port and the inclined chamber, and improve the smoothness of crop passing.

[0021] A T-shaped threshing device includes the above-mentioned feeding mechanism, and also includes a threshing and separating cylinder. The threshing and separating cylinder is arranged perpendicular to the feeding roller; the front end of the threshing and separating cylinder is coaxially sleeved in the feeding cylinder from back to front and fixed at the front feeding port of the feeding cylinder, and the feeding roller is located at the front lower part of the front end of the threshing and separating cylinder.

[0022] The beneficial effect of the present utility model is that the T-shaped threshing device of the present utility model has less grain dropping at the feeding port, reduces the risk of being extruded out of the machine during the rotation of the inclined chamber, and avoids grain loss. Description of the Drawings

[0023] Figure 1 It is a top view structural schematic diagram of the T-shaped threshing device of the present utility model;

[0024] Figure 2 It is Figure 1 the sectional structural schematic diagram of A-A in

[0025] Figure 3 It is a side view structural schematic diagram of the T-shaped threshing device of the present utility model;

[0026] Figure 4 It is a three-dimensional structural schematic diagram of the connection between the feeding cylinder and the feeding roller mounting frame in an embodiment of the present utility model;

[0027] Figure 5 It is a front view structural schematic diagram of the connection between the feeding cylinder and the feeding roller mounting frame in an embodiment of the present utility model;

[0028] Figure 6 It is Figure 5 the sectional structural schematic diagram of A-A in

[0029] Figure 7 It is a three-dimensional structural schematic diagram of the connection between the feeding cylinder and the feeding roller mounting frame in another embodiment of the present utility model;

[0030] Figure 8 It is a front view structural schematic diagram of the connection between the feeding cylinder and the feeding roller mounting frame in another embodiment of the present utility model;

[0031] Figure 9 is Figure 8 a schematic cross-sectional structure diagram taken along A-A in

[0032] In the attached drawings, the list of components represented by each reference numeral is as follows:

[0033] 1. Feeding roller;

[0034] 2. Feeding cylinder; 21. First arc plate; 22. Second arc plate; 23. Deflector; 24. Baffle; 25. Upper cover plate of the feeding roller; 26. Second connecting plate;

[0035] 3. Feeding roller mounting frame; 31. First assembly plate; 32. Second assembly plate; 33. Bottom plate;

[0036] 4. Threshing and separating cylinder; 41. Spiral blade; 5. Cross beam. Specific embodiments

[0037] The principles and features of the present invention will be described below with reference to the attached drawings. The examples given are only for explaining the present invention and are not intended to limit the scope of the present invention.

[0038] As Figures 1 to 9 shown, a feeding housing of a threshing system in this embodiment includes a feeding cylinder 2 and a feeding roller mounting frame 3. The lower half of the feeding inlet of the feeding cylinder 2 is connected to the feeding roller mounting frame 3. First and second notches are provided on the left and right sides of the lower half of the feeding inlet of the feeding cylinder 2. A first arc plate 21 for connecting the lower left side of the feeding inlet of the feeding cylinder 2 to the feeding roller mounting frame 3 is installed at the first notch, and a second arc plate 22 for connecting the lower right side of the feeding inlet of the feeding cylinder 2 to the feeding roller mounting frame 3 is installed at the second notch.

[0039] As Figure 4 and Figure 5 shown, the feeding roller mounting frame 3 in this embodiment includes a first assembly plate 31, a second assembly plate 32 and a bottom plate 33. The first assembly plate 31 and the second assembly plate 32 are respectively fixed at both ends of the bottom plate 33. The first assembly plate 31 is connected to the front end of the first arc plate 21, and the second assembly plate 32 is connected to the front end of the second arc plate 22. The bottom plate 33 is connected to the lower end of the first arc plate 21, the lower end of the second arc plate 22 and the lower end of the feeding inlet of the feeding cylinder 2. By providing the first assembly plate, the second assembly plate and the bottom plate, it is convenient to install the feeding roller; and by providing the first arc plate and the second arc plate, the upper part of the feeding inlet is circular and the lower part is square, which can better connect with the feeding roller, improve the smoothness of crop passing, is not prone to the grasping dead zone of the spiral blade of the threshing and separating cylinder, reduce crop residue, and improve the working efficiency of the machine.

[0040] As Figure 4 , Figure 6 ,Figure 7 and Figure 9 As shown in Figure 9 , the front end of the first assembly plate 31 of this embodiment is fixedly welded to the front end of the first arc plate 21, and the front end of the second assembly plate 32 is fixedly welded to the front end of the second arc plate 22; the bottom plate 33 is fixedly welded or abutted against the lower ends of the first arc plate 21, the second arc plate 22, and the lower end of the feeding port of the feeding cylinder 2.

[0041] As Figure 4 , Figure 6 , Figure 7 and Figure 9 As shown in Figure 4 , Figure 6 , Figure 7 , and Figure 9 , the first assembly plate 31 and the second assembly plate 32 of this embodiment are arranged in parallel on the left and right sides of the feeding cylinder 2.

[0042] As Figure 4 , Figure 6 , Figure 7 and Figure 9 As shown in Figure 4 , Figure 6 , Figure 7 , and Figure 9 , a cross beam 5 extending left and right is further provided between the bottom plate 33 of this embodiment and the feeding port of the feeding cylinder 2, and the lower ends of the first assembly plate 31 and the second assembly plate 32 are both mounted on the cross beam 5.

[0043] As Figures 4 to 9 As shown in Figures 4 to 9 , the feeding cylinder 2 of this embodiment is a cylindrical or conical cylinder, and the large end of the conical cylinder serves as the feeding port.

[0044] As Figures 7 to 9 As shown in Figures 7 to 9 , a first connecting plate is provided between the bottom plate 33 of this embodiment and the lower end of the first arc plate 21 for transitional connection, and a second connecting plate 26 is provided between the bottom plate 33 and the lower end of the second arc plate 22 for transitional connection.

[0045] A preferred solution of this embodiment is that, as Figure 4 and Figure 7 As shown in Figure 4 and Figure 7 , the bottom plate 33 is an arc-shaped structure that is recessed downward. By setting the bottom plate as an arc-shaped structure that is recessed downward, it is convenient for crops to enter the feeding cylinder.

[0046] As Figure 2 As shown in Figure 2 , a deflector plate 23 arranged in a threaded manner is provided on the inner side wall of the feeding cylinder 2 of this embodiment.

[0047] As Figure 2 and Figure 3 As shown in Figure 2 and Figure 3 , a baffle 24 is provided on the upper half of the feeding port of the feeding cylinder 2 of this embodiment, and a feeding roller upper cover plate 25 that shields the feeding roller 1 on the feeding roller mounting bracket 3 is provided on the baffle 24.

[0048] In the feeding mechanism of the threshing system of this embodiment, the welded feeding port is divided into a front feeding roller housing for installing the feeding roller, with the middle part being the feeding port and the rear part being a spiral introduction. The middle feeding port is an inlet with a round upper part and a square lower part. The upper inlet is circular and the lower inlet is square, and it is supported by a cross beam, which can improve the passing ability of crops.

[0049] The feeding housing of the threshing system in this embodiment can install the feeding roller on the feeding roller mounting frame, and install the threshing and separating drum in the feeding port housing and use it in cooperation with the feeding roller, which can reduce the possibility of crop accumulation and blockage between the feeding port and the inclined chamber, improve the smoothness of crop passing, and can throw the crops that cannot be grasped on both sides of the feeding port to the threshing and separating drum, improve the feeding efficiency, and increase the feeding amount.

[0050] This embodiment also provides a feeding mechanism, which includes the above-mentioned feeding housing of a threshing system, and also includes a feeding roller 1. Both ends of the feeding roller 1 are installed on the feeding roller mounting frame 3 and are arranged perpendicular to the central axis of the feeding cylinder 2.

[0051] The feeding mechanism of this embodiment can install the threshing and separating drum in the welded feeding port and use it in cooperation with the feeding roller, which can reduce the possibility of crop accumulation and blockage between the feeding port and the inclined chamber, and improve the smoothness of crop passing.

[0052] As Figure 1 and Figure 2 shown, this embodiment also provides a T-shaped threshing device, which includes the above-mentioned threshing system feeding mechanism, and also includes a threshing and separating drum 4. The threshing and separating drum 4 is arranged perpendicular to the feeding roller 1; the front end of the threshing and separating drum 4 is coaxially sleeved in the feeding cylinder 2 from back to front and fixed at the front feeding port of the feeding cylinder 2, and the feeding roller 1 is located in the front lower part of the front end of the threshing and separating drum 4.

[0053] Among them, specifically, as Figure 2 shown, the front end of the threshing and separating drum 4 in this embodiment is a conical structure and is provided with a spiral blade 41.

[0054] In this embodiment, the threshing and separating drum 4 is longitudinally arranged, and a spiral blade 41 is arranged at the front end of the threshing and separating drum 4 to convey the crops thrown by the feeding roller to the tail of the threshing and separating drum. The feeding roller 1 is horizontally arranged in the front lower part of the threshing and separating drum 4 and is installed on the feeding cylinder at the feeding port. The feeding roller 1 is horizontally arranged and the threshing and separating drum 4 is longitudinally arranged to form a T-shaped threshing system.

[0055] The T-shaped threshing device of this embodiment has less grain dropping at the feeding port, reduces the risk of being squeezed out of the machine during the rotation of the inclined chamber, and avoids causing grain loss.

[0056] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0057] In addition, the terms "first" and "second" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present utility model, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise specifically and clearly defined.

[0058] In the present utility model, unless otherwise clearly specified and defined, the terms "mounted", "connected", "coupled", "fixed", etc. shall be construed in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements or the interaction relationship between two elements, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0059] In the present utility model, unless otherwise clearly specified and defined, the first feature being "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may be that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature has a higher horizontal height than the second feature. The first feature being "under", "beneath" and "underneath" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature has a lower horizontal height than the second feature.

[0060] In the description of this specification, the description referring to terms such as "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0061] Although the embodiments of the present utility model have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present utility model. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present utility model.

Claims

1. A threshing system feeding housing, characterized in that: The invention comprises a feeding cylinder and a feeding roller mounting frame, wherein the lower half of the feeding inlet of the feeding cylinder is connected to the feeding roller mounting frame, and a first notch and a second notch are provided on the left and right sides of the lower half of the feeding inlet of the feeding cylinder, and a first arc plate is installed at the first notch to transitionally connect the lower left side of the feeding inlet of the feeding cylinder with the feeding roller mounting frame, and a second arc plate is installed at the second notch to transitionally connect the lower right side of the feeding inlet of the feeding cylinder with the feeding roller mounting frame.

2. A threshing system feeding housing according to claim 1, characterized in that: The feeding roller mounting frame includes a first assembly plate, a second assembly plate and a bottom plate, the first assembly plate and the second assembly plate are respectively fixed at two ends of the bottom plate, the first assembly plate is connected to the front end of the first arc plate, the second assembly plate is connected to the front end of the second arc plate, and the bottom plate is connected to the lower end of the first arc plate, the lower end of the second arc plate and the lower end of the feeding port of the feeding cylinder.

3. A threshing system feeding housing according to claim 2, characterized in that: The first assembly plate is welded and fixed to the front end of the first arc plate, and the second assembly plate is welded and fixed to the front end of the second arc plate; the bottom plate is welded and fixed to or adapted to abut against the lower end of the first arc plate, the lower end of the second arc plate and the lower end of the feeding inlet of the feeding tube.

4. A threshing system feeding housing according to claim 2, characterized in that: The first assembly plate and the second assembly plate are arranged parallel to each other on the left and right sides of the feeding cylinder.

5. A threshing system feeding housing according to claim 2, characterized in that: A crossbeam extending left and right is also provided between the bottom plate and the feeding port of the feeding cylinder, and the lower end of the first assembly plate and the lower end of the second assembly plate are both mounted on the crossbeam.

6. A threshing system feeding housing according to claim 2, characterized in that: The feeding cylinder is a cylinder or a conical cylinder, and the large mouth end of the conical cylinder serves as a feeding inlet.

7. A threshing system feeding housing according to claim 2, characterized in that: A first connecting plate is provided between the bottom plate and the lower end of the first arc plate for transition connection, and a second connecting plate is provided between the bottom plate and the lower end of the second arc plate for transition connection; Or / and, the bottom plate is an arc-shaped structure that is concave downward.

8. A threshing system feeding housing according to claim 1, characterized in that: A threaded guide plate is provided on the inner side wall of the feeding cylinder; A baffle is provided on the upper half of the feeding port of the feeding cylinder, and a feeding roller upper cover plate for shielding the feeding roller on the feeding roller mounting frame is provided on the baffle.

9. A feeding mechanism, characterized in that: It comprises a threshing system feeding shell as described in any one of claims 1 to 8, and also comprises a feeding roller, wherein both ends of the feeding roller are mounted on the feeding roller mounting frame and arranged perpendicularly to the central axis of the feeding cylinder.

10. A T-type threshing device, characterized in that: It comprises a feeding mechanism as claimed in claim 9, and also comprises a threshing and separation roller, wherein the threshing and separation roller is arranged vertically with the feeding roller; the front end of the threshing and separation roller is coaxially sleeved in the feeding cylinder from back to front and fixed at the front end feeding port of the feeding cylinder, and the feeding roller is located in the front lower part of the front end of the threshing and separation roller.

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