Feeding shell of double-longitudinal-axial-flow threshing system, feeding mechanism and threshing device
By designing the feeding shell of the dual longitudinal axial flow threshing system, including two side-by-side feeding cylinders and four transition plates, the problems of the feeding inlet of the grain harvester and the dead zone of the spiral blade are solved, and efficient feeding and threshing are achieved.
Patent Information
- Application Number
- CN202520734536.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-18
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2035-04-18
AI Technical Summary
When harvesting wet crops, existing grain harvesters are prone to accumulation and blockage between the feeding inlet and the inclined chamber, and there are dead zones on both sides of the feeding inlet where spiral blades cannot be grasped, resulting in a reduction in feeding amount and smoothness, affecting machine performance and efficiency.
A feeding shell of a dual longitudinal axial flow threshing system is designed, including two feeding cylinders arranged side by side and feeding roller mounting brackets. The crops on both sides of the feeding inlet are thrown to the threshing cylinders by setting up four transition plates to improve feeding efficiency and quantity.
Through the design of the dual longitudinal axial flow threshing system, feeding efficiency and smoothness are improved, the possibility of crop accumulation and blockage is reduced, the feeding volume is increased, and the working efficiency and threshing efficiency of the machine are improved.
Smart Images
Figure CN222897676U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field related to agricultural machinery, and in particular to a feeding shell, a feeding mechanism and a threshing device of a double longitudinal axial flow threshing system. Background Art
[0002] With the increase in grain production, the requirements for the working efficiency of grain harvesters are getting higher and higher. The working conditions of grain harvesters are complex. When harvesting wet crops, it is easy to cause accumulation and blockage between the feeding port and the tilting chamber, and repeated wear and tear of grains will cause grain damage. In addition, there are dead zones on both sides of the feeding port that cannot be caught by the spiral blades on the threshing drum. This reduces the feeding volume and feeding smoothness of the whole machine, seriously affecting the performance of the machine and affecting the working efficiency. Utility Model Content
[0003] In order to solve one or more technical problems existing in the prior art, the utility model provides a feeding shell, a feeding mechanism and a threshing device of a double longitudinal axial flow threshing system.
[0004] The utility model solves the above technical problems with the following technical solutions: a feeding shell of a double longitudinal axial flow threshing system, comprising a first feeding cylinder, a second feeding cylinder and a feeding roller mounting frame, wherein the first feeding cylinder and the second feeding cylinder are arranged side by side, the lower half of the feeding inlet of the first feeding cylinder and the lower half of the feeding inlet of the second feeding cylinder are connected to the feeding roller mounting frame, 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 first feeding cylinder, a third notch and a fourth notch are provided on the left and right sides of the lower half of the feeding inlet of the second feeding cylinder, and the first notch is provided at the bottom of the feeding inlet of the first feeding cylinder. A first transition plate is installed to transitionally connect the lower left side of the first feeding tube feeding inlet with the feeding roller mounting frame, a second transition plate is installed at the second notch to transitionally connect the lower right side of the first feeding tube feeding inlet with the feeding roller mounting frame, a third transition plate is installed at the third notch to transitionally connect the lower left side of the second feeding tube feeding inlet with the feeding roller mounting frame, and a fourth transition plate is installed at the fourth notch to transitionally connect the lower right side of the second feeding tube feeding inlet with the feeding roller mounting frame; the second transition plate and the third transition plate are arranged adjacent to each other and are connected and fixed by a docking plate or / and directly docked and fixed.
[0005] The beneficial effects of the utility model are as follows: the feeding housing of the utility model can improve the feeding efficiency by setting two feeding cylinders, meet the large feeding volume operation, reduce the possibility of crop accumulation and blockage between the feeding port and the tilting chamber, and improve the smoothness of crop passage. By setting four transition plates, the crops that cannot be caught on both sides of the feeding port can be thrown to the threshing drum, thereby improving the feeding efficiency and increasing the feeding volume.
[0006] On the basis of the above technical solution, the present invention can also be improved as follows.
[0007] Further, 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 transition plate, the second assembly plate is connected to the front end of the fourth transition plate, and the bottom plate is connected to the lower end of the first transition plate, the lower end of the second transition plate, the lower end of the third transition plate, the lower end of the fourth transition plate, the lower end of the feeding port of the first feeding cylinder and the lower end of the feeding port of the second feeding cylinder.
[0008] The beneficial effects of adopting the above further scheme are: by setting the first assembly plate, the second assembly plate and the bottom plate, the feeding roller can be easily installed; and by setting four transition plates, the upper circle and the lower part of the feeding port can be better connected with the feeding roller, which can improve the smoothness of crop passage, and it is less likely to have a dead zone for the spiral blades of the threshing and separation roller to grab, reduce crop residues, and improve the working efficiency of the machine.
[0009] Furthermore, the first assembly plate is welded and fixed to the front end of the first transition plate, and the second assembly plate is welded and fixed to the front end of the fourth transition plate; the bottom plate is welded and fixed to or adapted to abut against the lower end of the first transition plate, the lower end of the second transition plate, the lower end of the third transition plate, the lower end of the fourth transition plate, the lower end of the feeding port of the first feeding cylinder, and the lower end of the feeding port of the second feeding cylinder.
[0010] Furthermore, the first assembly plate and the second assembly plate are arranged parallel to each other on the left and right sides of the double-cylinder structure composed of the first feeding cylinder and the second feeding cylinder.
[0011] Furthermore, a crossbeam extending left and right is provided between the bottom plate and the feeding port of the first feeding cylinder and the feeding port of the second 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.
[0012] Furthermore, the first feeding cylinder is a cylinder or a conical cylinder, the second feeding cylinder is a cylinder or a conical cylinder, and the large mouth end of the conical cylinder serves as a feeding port.
[0013] Furthermore, the bottom plate is an arc-shaped structure that is concave downward.
[0014] The beneficial effect of adopting the above further solution is that by setting the bottom plate into a downwardly concave arc structure, it is convenient for crops to enter the feeding cylinder.
[0015] Further, a first guide plate arranged in a threaded manner is provided on the inner side wall of the first feeding cylinder, and a second guide plate arranged in a threaded manner is provided on the inner side wall of the second feeding cylinder;
[0016] A baffle is provided on the upper half of the feeding inlet of the first feeding cylinder and the upper half of the feeding inlet of the second feeding cylinder. A feeding roller upper cover plate for shielding the feeding roller on the feeding roller mounting frame is provided on the baffle.
[0017] A feeding mechanism comprises the feeding shell of the above-mentioned double longitudinal axial flow threshing system, 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 first feeding cylinder and the second feeding cylinder.
[0018] The beneficial effects of the utility model are as follows: the feeding mechanism of the utility model increases the feeding amount of the feeding roller; and the threshing and separation roller can be installed in the welding of the feeding port and used in conjunction with the feeding roller, which can reduce the possibility of crop accumulation and blockage between the feeding port and the tilting chamber and improve the smoothness of crop passage.
[0019] A threshing device comprises the above-mentioned feeding mechanism and also comprises two threshing and separation rollers, wherein the two threshing and separation rollers are arranged vertically with respect to the feeding roller; the front ends of the two threshing and separation rollers are coaxially sleeved in the first feeding cylinder and the second feeding cylinder from back to front respectively and fixed at the front feeding ports of the first feeding cylinder and the second feeding cylinder, and the feeding rollers are located in front and below the front ends of the two threshing and separation rollers.
[0020] The beneficial effects of the utility model are as follows: the threshing device of the utility model increases the feeding amount, can improve the threshing efficiency, reduces the grain drop at the feeding inlet, reduces the risk of the tilting chamber being squeezed out of the machine during the rotation process, and avoids the loss of grains. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a schematic diagram of the main structure of the feeding shell of the double longitudinal axial flow threshing system of the utility model;
[0022] Figure 2 for Figure 1 Schematic diagram of the cross-sectional structure of AA;
[0023] Figure 3 It is a three-dimensional structural schematic diagram of the feeding shell of the double longitudinal axial flow threshing system of the utility model;
[0024] Figure 4 It is a schematic diagram of the top view of the feeding shell of the double longitudinal axial flow threshing system of the utility model;
[0025] Figure 5 It is a schematic diagram of the top view of the structure of the threshing device of the utility model;
[0026] Figure 6 for Figure 5 Schematic diagram of the cross-sectional structure of AA;
[0027] Figure 7 It is a side structural schematic diagram of the threshing device of the utility model.
[0028] In the accompanying drawings, the components represented by the reference numerals are listed as follows:
[0029] 1. First feeding cylinder; 11. Butt plate; 12. Baffle plate; 13. Feeding roller upper cover plate; 14. Mounting plate;
[0030] 2. second feeding cylinder; 21. second guide plate;
[0031] 3. Feeding roller mounting frame;
[0032] 4. first transition plate; 41. second transition plate; 42. third transition plate; 43. fourth transition plate;
[0033] 5. First assembly plate; 51. Second assembly plate; 52. Bottom plate; 6. Crossbeam; 7. Feeding roller;
[0034] 100, threshing and separation drum; 101, spiral blade; 200, feeding shell. DETAILED DESCRIPTION
[0035] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.
[0036] like Figure 1 to Figure 7 As shown, a feeding shell of a double longitudinal axial flow threshing system of this embodiment comprises a first feeding cylinder 1, a second feeding cylinder 2 and a feeding roller mounting frame 3, wherein the first feeding cylinder 1 and the second feeding cylinder 2 are arranged side by side, the lower half of the feeding inlet of the first feeding cylinder 1 and the lower half of the feeding inlet of the second feeding cylinder 2 are connected to the feeding roller mounting frame 3, the left and right sides of the lower half of the feeding inlet of the first feeding cylinder 1 are provided with a first notch and a second notch, the left and right sides of the lower half of the feeding inlet of the second feeding cylinder 2 are provided with a third notch and a fourth notch, and a feeding roller for feeding the first feeding cylinder 1 into the first notch is provided with a feeding roller for feeding the first feeding cylinder 1 into the first feeding cylinder 1. A first transition plate 4 is installed at the lower left side of the feeding opening of the first feeding cylinder 1 for transition connection with the feeding roller mounting frame 3, a second transition plate 41 is installed at the second notch for transition connection with the lower right side of the feeding opening of the first feeding cylinder 1 for transition connection with the feeding roller mounting frame 3, a third transition plate 42 is installed at the third notch for transition connection with the lower left side of the feeding opening of the second feeding cylinder 2 for transition connection with the feeding roller mounting frame 3, and a fourth transition plate 43 is installed at the fourth notch for transition connection with the lower right side of the feeding opening of the second feeding cylinder 2 for transition connection with the feeding roller mounting frame 3; the second transition plate 41 and the third transition plate 42 are arranged adjacent to each other and are connected and fixed by the docking plate 11 or / and directly docked and fixed.
[0037] like Figure 1~Figure 4As shown, the feeding roller mounting frame 3 of this embodiment includes a first assembly plate 5, a second assembly plate 51 and a bottom plate 52, the first assembly plate 5 and the second assembly plate 51 are respectively fixed at the two ends of the bottom plate 52, the first assembly plate 5 is connected to the front end of the first transition plate 4, the second assembly plate 51 is connected to the front end of the fourth transition plate 43, and the bottom plate 52 is connected to the lower end of the first transition plate 4, the lower end of the second transition plate 41, the lower end of the third transition plate 42, the lower end of the fourth transition plate 43, the lower end of the feeding port of the first feeding cylinder 1 and the lower end of the feeding port of the second feeding cylinder 2. By setting the first assembly plate, the second assembly plate and the bottom plate, it is convenient to install the feeding roller; and by setting four transition plates, the upper circle and lower part of the feeding port can be better connected with the feeding roller, which can improve the smoothness of crop passing, and it is not easy to have a dead zone for the spiral blades of the threshing separation drum, reduce crop residues, and improve the working efficiency of the machine.
[0038] Specifically, the first assembly plate 5 is welded and fixed to the front end of the first transition plate 4, and the second assembly plate 51 is welded and fixed to the front end of the fourth transition plate 43; the bottom plate 52 is welded and fixed to or fits in contact with the lower end of the first transition plate 4, the lower end of the second transition plate 41, the lower end of the third transition plate 42, the lower end of the fourth transition plate 43, the lower end of the feeding port of the first feeding cylinder 1, and the lower end of the feeding port of the second feeding cylinder 2.
[0039] Preferably, Figure 2 and Figure 3 As shown, the first transition plate 4, the second transition plate 41, the third transition plate 42, and the fourth transition plate 43 of this embodiment may preferably adopt an inwardly concave arc-shaped plate structure to facilitate smoother passage of crops.
[0040] like Figure 1~Figure 4 As shown, a preferred solution of this embodiment is that the first assembly plate 5 and the second assembly plate 51 are arranged parallel to each other on the left and right sides of the double-cylinder structure composed of the first feeding cylinder 1 and the second feeding cylinder 2.
[0041] like Figure 1~Figure 4 As shown, a further solution of this embodiment is that a crossbeam 6 extending left and right is provided between the bottom plate 52 and the feeding port of the first feeding cylinder 1 and the feeding port of the second feeding cylinder 2, and the lower end of the first assembly plate 5 and the lower end of the second assembly plate 51 are both mounted on the crossbeam 6.
[0042] Optionally, the first feeding cylinder 1 is a cylinder or a conical cylinder, the second feeding cylinder 2 is a cylinder or a conical cylinder, and the large mouth end of the conical cylinder serves as a feeding port.
[0043] Preferably, Figure 2 and Figure 3As shown, the bottom plate 52 of this embodiment is a downwardly concave arc structure. By setting the bottom plate as a downwardly concave arc structure, it is convenient for crops to enter the feeding tube.
[0044] like Figure 6 As shown, in this embodiment, a first guide plate with a threaded arrangement is provided on the inner wall of the first feeding cylinder 1, and a second guide plate 21 with a threaded arrangement is provided on the inner wall of the second feeding cylinder 2; the first guide plate and the second guide plate 21 can be fixed to the inner walls of the first feeding cylinder 1 and the second feeding cylinder 2 by bolts, so as to guide the crops.
[0045] like Figure 6 and Figure 7 As shown, in this embodiment, a baffle plate 12 is provided at the upper half of the feeding port of the first feeding cylinder 1 and the upper half of the feeding port of the second feeding cylinder 2, and a feeding roller upper cover plate 13 is provided on the baffle plate 12 to block the feeding roller 7 on the feeding roller mounting frame 3. The feeding roller upper cover plate 13 can be installed and fixed by bolts to play a blocking role.
[0046] like Figure 3 , Figure 4 and Figure 6 As shown, a mounting plate 14 is further provided on the rear side of the feeding housing 200 of this embodiment, and the mounting plate 14 can be connected and fixed to the frame.
[0047] In the feeding shell of the threshing system of this embodiment, the feeding inlet is welded to be divided into a front feeding roller shell (two assembly plates and a bottom plate cooperate) for installing the feeding roller, the middle is the feeding inlet, and the rear end is a spiral introduction. The middle feeding inlet is an inlet with an upper circle and a lower part. The upper inlet is round and the lower inlet is square, which is supported by a crossbeam, thereby improving the passability of crops.
[0048] The feeding housing of this embodiment can improve feeding efficiency by providing two feeding cylinders, meet large feeding volume operations, reduce the possibility of crop accumulation and blockage between the feeding port and the tilting chamber, and improve the smoothness of crop passage. By providing four transition plates, crops that cannot be caught on both sides of the feeding port can be thrown to the threshing drum, thereby improving feeding efficiency and increasing feeding volume.
[0049] like Figure 5~Figure 7 As shown, a feeding mechanism of the present embodiment includes a feeding shell 200 of the above-mentioned dual longitudinal axial flow threshing system, and also includes a feeding roller 7, both ends of which are mounted on the feeding roller mounting frame 3 and arranged perpendicular to the central axis of the first feeding cylinder 1 and the second feeding cylinder 2.
[0050] The feeding mechanism of this embodiment increases the feeding amount of the feeding roller; and the threshing and separation roller can be installed in the welding of the feeding port and used in conjunction with the feeding roller, which can reduce the possibility of crop accumulation and blockage between the feeding port and the tilting chamber and improve the smoothness of crop passage.
[0051] like Figure 5~Figure 7 As shown, a threshing device of the present embodiment includes the above-mentioned feeding mechanism and also includes two threshing and separation rollers 100, and the two threshing and separation rollers 100 are arranged vertically with the feeding roller 7; the front ends of the two threshing and separation rollers 100 are coaxially sleeved in the first feeding tube 1 and the second feeding tube 2 from back to front and fixed at the front end feeding entrances of the first feeding tube 1 and the second feeding tube 2, and the feeding roller 7 is located at the front and lower part of the front ends of the two threshing and separation rollers 100.
[0052] Among them, specifically, Figure 6 As shown, the front end of the threshing and separation drum 100 of this embodiment is a conical structure and is provided with a spiral blade 101, which transports the crops thrown by the feeding roller to the tail of the threshing and separation drum. The feeding roller 7 is arranged horizontally at the front lower part of the threshing and separation drum 100 and installed on the feeding port. The material transported over the bridge is thrown to the threshing and separation drum at a high speed by the feeding roller, and the crops are transported to the tail of the threshing and separation drum through the action of the spiral blades and guide plates of the threshing and separation drum.
[0053] The threshing device of this embodiment increases the feed amount, which can improve the threshing efficiency, reduce grain drop at the feeding inlet, reduce the risk of the tilting chamber being squeezed out of the machine during rotation, and avoid grain loss.
[0054] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0055] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.
[0056] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0057] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.
[0058] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the 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 may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.
[0059] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.
Claims
1. A feeding shell of a double longitudinal axial flow threshing system, characterized in that: The invention comprises a first feeding cylinder, a second feeding cylinder and a feeding roller mounting frame, wherein the first feeding cylinder and the second feeding cylinder are arranged side by side, the lower half of the feeding inlet of the first feeding cylinder and the lower half of the feeding inlet of the second feeding cylinder are connected to the feeding roller mounting frame, 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 first feeding cylinder, and a third notch and a fourth notch are provided on the left and right sides of the lower half of the feeding inlet of the second feeding cylinder, a first transition plate for transitionally connecting the lower left side of the feeding inlet of the first feeding cylinder with the feeding roller mounting frame is installed at the first notch, a second transition plate for transitionally connecting the lower right side of the feeding inlet of the first feeding cylinder with the feeding roller mounting frame is installed at the second notch, a third transition plate for transitionally connecting the lower left side of the feeding inlet of the second feeding cylinder with the feeding roller mounting frame is installed at the third notch, and a fourth transition plate for transitionally connecting the lower right side of the feeding inlet of the second feeding cylinder with the feeding roller mounting frame is installed at the fourth notch; the second transition plate and the third transition plate are arranged adjacent to each other and are connected and fixed by a docking plate or / and directly docked and fixed.
2. The feeding housing of the double longitudinal axial flow threshing system 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 transition plate, the second assembly plate is connected to the front end of the fourth transition plate, and the bottom plate is connected to the lower end of the first transition plate, the lower end of the second transition plate, the lower end of the third transition plate, the lower end of the fourth transition plate, the lower end of the feeding port of the first feeding cylinder and the lower end of the feeding port of the second feeding cylinder.
3. The feeding housing of the double longitudinal axial flow threshing system according to claim 2, characterized in that: The first assembly plate is welded and fixed to the front end of the first transition plate, and the second assembly plate is welded and fixed to the front end of the fourth transition plate; the bottom plate is welded and fixed to or adapted to abut against the lower end of the first transition plate, the lower end of the second transition plate, the lower end of the third transition plate, the lower end of the fourth transition plate, the lower end of the feeding port of the first feeding cylinder, and the lower end of the feeding port of the second feeding cylinder.
4. The feeding housing of the double longitudinal axial flow threshing system 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 double-cylinder structure composed of the first feeding cylinder and the second feeding cylinder.
5. The feeding housing of the double longitudinal axial flow threshing system according to claim 2, characterized in that: A horizontal beam extending left and right is also provided between the bottom plate and the feeding port of the first feeding cylinder and the feeding port of the second 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 horizontal beam.
6. The feeding housing of the double longitudinal axial flow threshing system according to claim 2, characterized in that: The first feeding cylinder is a cylinder or a conical cylinder, the second feeding cylinder is a cylinder or a conical cylinder, and the large mouth end of the conical cylinder serves as a feeding port.
7. The feeding housing of the double longitudinal axial flow threshing system according to claim 2, characterized in that: The bottom plate is an arc-shaped structure that is concave downwards.
8. The feeding housing of the double longitudinal axial flow threshing system according to claim 1, characterized in that: A first guide plate arranged in a threaded manner is provided on the inner side wall of the first feeding cylinder, and a second guide plate arranged in a threaded manner is provided on the inner side wall of the second feeding cylinder; A baffle is provided on the upper half of the feeding inlet of the first feeding cylinder and the upper half of the feeding inlet of the second feeding cylinder. 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: A feeding shell of a double longitudinal axial flow threshing system comprising any one of claims 1 to 8, and also comprising a feeding roller, both ends of which are mounted on the feeding roller mounting frame and arranged perpendicularly to the central axes of the first feeding cylinder and the second feeding cylinder.
10. A threshing device, characterized in that: It comprises a feeding mechanism as claimed in claim 9, and also comprises two threshing and separation rollers, both of which are arranged vertically with respect to the feeding roller; the front ends of the two threshing and separation rollers are coaxially sleeved in the first feeding cylinder and the second feeding cylinder from back to front respectively and fixed at the front end feeding ports of the first feeding cylinder and the second feeding cylinder, and the feeding rollers are located in front and below the front ends of the two threshing and separation rollers.