Separating concave plate and grain harvester

Abstract

The utility model provides a separation concave plate and a grain harvesting machine, relates to the technical field of agricultural equipment, and aims to optimize the structure of the separation concave plate to a certain extent and reduce the breakage rate of output objects. The utility model provides a separation concave plate which comprises grid bars, transverse partition plates, longitudinal partition plates and side plates. Side plates are arranged on the two sides of the longitudinal partition plate, the side plates and the longitudinal partition plate are arranged in parallel, a plurality of transverse partition plates are arranged in the extending direction of the side plates and the longitudinal partition plate, and the transverse partition plates and the longitudinal partition plate are arranged perpendicular to each other; a plurality of clamping parts are arranged in the extending direction of the transverse partition plates at intervals, the clamping parts on the transverse partition plates correspond to one another, the grid bars are clamped into the clamping parts, the depth of the clamping parts is smaller than the diameter of the grid bars, and the exposed faces of the grid bars are higher than the end faces of the transverse partition plates.

Description

Technical Field

[0001] The utility model relates to the technical field of agricultural equipment, in particular to a separating concave plate and a grain harvester. Background Art

[0002] With the continuous improvement of agricultural machinery technology and the increasing demand for refined harvesting by agricultural machinery users, agricultural machinery users pay more attention to the threshing and separating performance of the machine itself. As the core function of the whole machine, the grain threshing and separating ability has received more and more attention. Most of the existing separating concave plates are mainly in the form of grid bars passing through cross grids. Since the cross partition is higher than the grid bar, when separating, the material will hit the cross partition, resulting in a significant increase in the breakage rate.

[0003] Therefore, there is an urgent need to provide a separating concave plate and a grain harvester to solve the problems existing in the prior art to a certain extent. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a separating concave plate and a grain harvester to optimize the structure of the separating concave plate to a certain extent and reduce the breakage rate of the output.

[0005] A separating concave plate provided by the utility model includes grid bars, cross partitions, longitudinal partitions and side plates; the side plates are arranged on both sides of the longitudinal partition, and the side plates are parallel to the longitudinal partition. A plurality of cross partitions are arranged along the extending directions of the side plates and the longitudinal partition, and the plurality of cross partitions are perpendicular to the longitudinal partition; a plurality of clamping parts are arranged at intervals along the extending direction of the cross partition, and the clamping parts on each cross partition correspond to each other. The grid bars are clamped into the clamping parts, and the depth of the clamping part is less than the diameter of the grid bar, so that the exposed surface of the grid bar is higher than the end surface of the cross partition.

[0006] Among them, the separating concave plate provided by the utility model further includes a sealing plate. The extending direction of the sealing plate is the same as that of the cross partition, and the sealing plate is located at both ends of the longitudinal partition and the side plate; positioning parts are formed at positions corresponding to the grid bars on the sealing plate, so that the ends of the grid bars are embedded into the positioning parts.

[0007] Specifically, slots are formed on both the side plate and the longitudinal partition, and the slots on the side plate and the longitudinal partition are arranged in one-to-one correspondence. The cross partition is inserted into the slots to be connected with the side plate and the longitudinal partition.

[0008] Furthermore, both the side plate and the longitudinal partition are semi-circular ring structures.

[0009] Wherein, the side plate includes a first side section and a second side section, the longitudinal partition includes a first longitudinal section and a second longitudinal section, the first side section and the second side section are of a split structure, the first longitudinal section and the second longitudinal section are of a split structure, and the two ends of the first side section and the first longitudinal section and the two ends of the second side section and the second longitudinal section are the sealing plates.

[0010] Specifically, the first side section and the first longitudinal section have the same size, the second side section and the second longitudinal section have the same size, and the size ratio of the first side section to the second side section is 7:3.

[0011] Specifically, the separating concave plate provided by the present utility model further includes a connecting member, and the connecting member connects the sealing plates connected to the first longitudinal section and the sealing plates connected to the second longitudinal section.

[0012] Further, the grid bars are in a wavy structure and the included angle range between the wave crest of the grid bars and the next wave crest is 8° - 24°.

[0013] Furthermore, the radius of the circle formed by connecting the multiple wave crests of the wavy grid bars is R1, the radius of the circle formed by connecting the multiple wave troughs is R2, the radius of the grid bars is R, and R1 - R2 is within 2R - 4R.

[0014] Compared with the prior art, the separating concave plate provided by the present utility model has the following advantages:

[0015] The separating concave plate provided by the present utility model includes grid bars, transverse partitions, longitudinal partitions and side plates; side plates are provided on both sides of the longitudinal partitions, and the side plates are arranged parallel to the longitudinal partitions, a plurality of transverse partitions are arranged along the extending direction of the side plates and the longitudinal partitions, and the plurality of transverse partitions are arranged perpendicular to the longitudinal partitions; a plurality of clamping portions are arranged at intervals along the extending direction of the transverse partitions, and the clamping portions on each transverse partition correspond to each other, the grid bars are clamped into the clamping portions, and the depth of the clamping portions is less than the diameter of the grid bars, so that the exposed surface of the grid bars is higher than the end surface of the transverse partitions.

[0016] It can be analyzed from this that through the longitudinally arranged partition plates and the side plates located on both sides of the longitudinally arranged partition plates, a sufficient and stable installation position can be provided for the transverse partition plates. And through a plurality of transverse partition plates arranged at intervals along the extending direction of the longitudinally arranged partition plates and the side plates, and a plurality of clamping portions arranged at intervals along the extending direction are formed on the plurality of transverse partition plates, a stable installation position can be provided for the grating bars. Moreover, since the depth of the clamping portion in this application is less than the diameter of the grating bars, therefore, a part of the grating bars can be exposed outside the clamping portion, thus forming an exposed surface. And in this application, by making this part of the exposed surface higher than the end face of the transverse partition plates, when operating, the material can mainly contact with the grating bars, to a certain extent reducing the collision with the transverse partition plates, so that the transverse partition plates will not cause too much interference to the movement of the material during threshing and separation, and further greatly reducing the breakage rate of grains and straws and improving the operating ability of the whole machine.

[0017] In addition, the present utility model also provides a grain harvester, including the above-mentioned separating concave plate.

[0018] The grain harvester adopting the separating concave plate provided by this application can reduce the interference of the transverse partition plates to the threshed material, thereby reducing the breakage rate of grains and straws and improving the operating ability of the harvester. At the same time, since the grating bars adopt a special wavy structure, therefore, the separating ability of the whole separating concave plate can be ensured. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the specific embodiments of the present utility model or the technical solutions in the prior art, the following will briefly introduce the drawings required to be used in the description of the specific embodiments or the prior art. Obviously, the following drawings are some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0020] Figure 1 It is a schematic structural view of the separating concave plate from the first perspective provided by the embodiment of the present utility model;

[0021] Figure 2 It is a schematic structural view of the separating concave plate from the second perspective provided by the embodiment of the present utility model;

[0022] Figure 3 It is a schematic structural view of the longitudinally arranged partition plate in the separating concave plate provided by the embodiment of the present utility model;

[0023] Figure 4 It is a schematic structural view of the side plate in the separating concave plate provided by the embodiment of the present utility model;

[0024] Figure 5 It is a schematic structural view of the transverse partition plate in the separating concave plate provided by the embodiment of the present utility model;

[0025] Figure 6 Schematic diagram of the sealing plate in the separating concave plate provided by the embodiment of the present utility model;

[0026] Figure 7 Schematic diagram of the grid bars in the separating concave plate provided by the embodiment of the present utility model.

[0027] In the figure: 1 - grid bar; 101 - wave crest; 102 - wave trough; 2 - cross partition; 201 - clamping portion; 202 - docking portion; 3 - longitudinal partition; 4 - side plate; 401 - first side segment; 402 - second side segment; 5 - slot; 6 - sealing plate; 601 - positioning portion; 7 - connecting piece. Specific embodiments

[0028] To make the objectives, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Apparently, the described embodiments are only a part rather than all of the embodiments of the present application. Usually, the components of the embodiments of the present application described and illustrated herein can be arranged and designed in various different configurations. Therefore, the detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application claimed, but merely represents selected embodiments of the present application. All other embodiments obtained by those skilled in the art based on the embodiments of the present application without creative efforts shall fall within the protection scope of the present application.

[0029] In the description of the embodiments of the present application, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is usually placed during use. It 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 thus should not be construed as a limitation to the present utility model. In addition, the terms "first", "second", "third", etc. are only used for descriptive distinction and should not be construed as indicating or implying relative importance.

[0030] In addition, terms such as "horizontal" and "vertical" do not mean that the components are required to be absolutely horizontal or hanging vertically, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0031] In the description of the embodiments of the present application, it should also be noted that, unless otherwise clearly specified and limited, the terms "arranged", "installed", "connected", and "coupled" 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 directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] As used herein, the term "and / or" includes any one of the listed related items and any combination of any two or more of them.

[0033] For ease of description, spatial relationship terms such as "above", "upper", "below", and "lower" can be used herein to describe the relationship between one element and another as shown in the drawings. Such spatial relationship terms are intended to include different orientations of the device in use or operation in addition to the orientation depicted in the drawings.

[0034] The terms used herein are only for describing various examples and are not intended to limit the present disclosure. Unless the context clearly indicates otherwise, the singular forms are also intended to include the plural forms. The terms "comprises", "comprising", and "having" list the stated features, quantities, operations, components, elements, and / or combinations thereof that exist, but do not preclude the existence or addition of one or more other features, quantities, operations, components, elements, and / or combinations thereof.

[0035] Due to manufacturing techniques and / or tolerances, variations in the shapes shown in the drawings may occur. Therefore, the examples described herein are not limited to the specific shapes shown in the drawings, but include changes in shape that occur during manufacturing.

[0036] The features of the examples described herein can be combined in various ways that will be apparent after understanding the disclosure of the present application. In addition, although the examples described herein have various configurations, as will be apparent after understanding the disclosure of the present application, other configurations are possible. Additionally, the technical solutions between various embodiments can be combined with each other, but it must be based on the ability of those of ordinary skill in the art to implement. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present application.

[0037] As Figure 1As shown in the figure, the present utility model provides a separating concave plate, which includes grid bars 1, transverse partitions 2, longitudinal partitions 3 and side plates 4; side plates 4 are provided on both sides of the longitudinal partition 3, and the side plates 4 are arranged parallel to the longitudinal partition 3. A plurality of transverse partitions 2 are provided along the extending direction of the side plates 4 and the longitudinal partition 3, and the plurality of transverse partitions 2 are arranged perpendicular to the longitudinal partition 3; a plurality of clamping portions 201 are arranged at intervals along the extending direction of the transverse partition 2, and the clamping portions 201 on each transverse partition 2 correspond to each other. The grid bars 1 are snapped into the clamping portions 201, and the depth of the clamping portions 201 is less than the diameter of the grid bars 1, so that the exposed surface of the grid bars 1 is higher than the end surface of the transverse partition 2.

[0038] Compared with the prior art, the separating concave plate provided by the present utility model has the following advantages:

[0039] For the separating concave plate provided by the present utility model, through the parallel longitudinal partition 3 and the side plates 4 located on both sides of the longitudinal partition 3, a sufficient and stable installation position can be provided for the transverse partition 2. And through a plurality of transverse partitions 2 arranged at intervals along the extending direction of the longitudinal partition 3 and the side plates 4, and a plurality of clamping portions 201 arranged at intervals along the extending direction are formed on each of the plurality of transverse partitions 2, a stable installation position can be provided for the grid bars 1. Moreover, since the depth of the clamping portions 201 in this application is less than the diameter of the grid bars 1, therefore, a part of the grid bars 1 can be exposed outside the clamping portions 201, thus forming an exposed surface. And in this application, by making this part of the exposed surface higher than the end surface of the transverse partition 2, when operating, the material can mainly contact with the grid bars 1, to a certain extent, reduce the collision with the transverse partition 2, and further make the transverse partition 2 have little interference on the movement of the material during threshing and separation, and further greatly reduce the breakage rate of grains and straws, and improve the operation ability of the whole machine.

[0040] It should be supplemented and explained here that the exposed surface of the above-mentioned grid bars 1 in this application is the contact surface with the material during operation, and the end surface of the transverse partition 2 is the surface that can contact with the material during operation. By making the exposed surface of the grid bars 1 higher than the end surface of the transverse partition 2, the contact between the transverse partition 2 and the material during operation can be reduced to a certain extent, so as to avoid the blocking of the material and the breakage problem caused by the material hitting on the transverse partition 2. And the above-mentioned exposed surface of the grid bars 1 being higher than the end surface of the transverse partition 2 means slightly exceeding the end surface of the transverse partition 2, and the drop formed by the two can be equal to the radius of the grid bars 1, so as to ensure that most of the material contacts with the grid bars 1 to a certain extent.

[0041] Optionally, as Figure 1 Combined with Figure 6 As shown in the figure, the separating concave plate provided by the present utility model further includes a sealing plate 6. The extending direction of the sealing plate 6 is the same as the extending direction of the transverse partition 2, and the sealing plate 6 is located at both ends of the longitudinal partition 3 and the side plates 4; positioning portions 601 are formed on the sealing plate 6 corresponding to the positions of the grid bars 1, so that the ends of the grid bars 1 are embedded in the positioning portions 601.

[0042] The end parts of the longitudinal partition plate 3 and the side plate 4 can be protected by the sealing plate 6. Moreover, since the positioning part 601 is formed on the sealing plate 6 in this application and the positioning part 601 is formed corresponding to the grid bars 1, the end parts of the grid bars 1 can also be positioned and protected by the positioning part 601, improving the stability of the overall structure.

[0043] It can be understood that the positioning part 601 in this application is a hole or groove-shaped structure, so that the end part of the grid bar 1 can be inserted into the positioning part 601 to realize the positioning of the end part of the grid bar 1.

[0044] Optionally, as Figure 1 Combined with Figure 3 and Figure 4 , slots 5 are formed on both the side plate 4 and the longitudinal partition plate 3, and the slots 5 on the side plate 4 and the longitudinal partition plate 3 are arranged in one-to-one correspondence. The transverse partition plate 2 is inserted into the slots 5 to be connected with the side plate 4 and the longitudinal partition plate 3.

[0045] Through the slots 5 formed corresponding to each other on the side plate 4 and the longitudinal partition plate 3, the quick insertion connection between the transverse partition plate 2 and the side plate 4 and the longitudinal partition plate 3 can be realized. Moreover, when a certain transverse partition plate 2 is damaged, it can also be quickly disassembled and assembled, improving the maintenance efficiency.

[0046] It can be understood that the depth of the slot 5 on the side plate 4 in this application is less than the depth of the slot 5 on the longitudinal partition plate 3. Correspondingly, the transverse partition plate 2 in this application includes an insertion section and a positioning section, and the insertion section and the positioning section are perpendicularly arranged. The above clamping part 201 is formed on the positioning section, and the insertion section is used for inserting and positioning with the longitudinal partition plate 3.

[0047] Moreover, as Figure 5 shown, docking parts 202 are formed at both ends of the transverse partition plate 2 in this application, and the docking parts 202 can be inserted into the slots 5 of the side plate 4, so as to realize the positioning connection between the transverse partition plate 2 and the side plate 4. Correspondingly, the above docking parts 202 are formed at both ends of the positioning section.

[0048] Optionally, as Figure 2 shown, the side plate 4 and the longitudinal partition plate 3 in this application are both semi-circular ring structures.

[0049] Preferably, as Figure 1 Combined with Figure 2 shown, the side plate 4 in this application includes a first side section 401 and a second side section 402, the longitudinal partition plate 3 includes a first longitudinal section and a second longitudinal section. The first side section 401 and the second side section 402 are of a split structure, the first longitudinal section and the second longitudinal section are of a split structure, and the sealing plates 6 are arranged at both ends of the first side section 401 and the first longitudinal section and at both ends of the second side section 402 and the second longitudinal section.

[0050] In this application, both the side plate 4 and the longitudinal partition plate 3 are divided into a two-section structure. Since the space inside the grain harvester is limited, the two-section structure is convenient for installation and subsequent maintenance and replacement of accessories.

[0051] Correspondingly, at both ends of the first side section 401 and both ends of the second side section 402 in this application, the above-mentioned sealing plates 6 are connected. That is, the docking position of the two-section structure in this application is where two sealing plates 6 are in contact with each other. By opening connection holes in the sealing plates 6 and passing through the connecting parts 7, the connecting part 7 can connect the sealing plate connecting the first longitudinal section and the first side section 401 to the sealing plate connecting the second longitudinal section and the second side section 402.

[0052] It should be supplemented here that the connecting part 7 in this application is a structural form of a bolt and a nut to achieve the detachable connection of the two-section structure.

[0053] Preferably, in this application, the first side section 401 and the first longitudinal section have the same size, the second side section 402 and the second longitudinal section have the same size, and the size ratio of the first side section 401 to the second side section 402 is 7:3.

[0054] Further preferably, as Figure 7 shown, the grid bar 1 in this application has a wavy structure, and the included angle range between the wave crest 101 of the grid bar 1 and the next wave crest 101 is 8° - 24°.

[0055] Optionally, as Figure 7 shown, the radius of the circle formed by connecting multiple wave crests 101 of the wavy grid bar 1 in this application is R1, the radius of the circle formed by connecting multiple wave troughs 102 is R2, and the radius of the grid bar 1 is R. R1 - R2 is between 2R - 4R.

[0056] It can be understood that in this application, R1 - R2 is the distance between the circle formed by the wave crest 101 and the circle formed by the wave trough 102. When the difference is 2R, that is, equal to the diameter of the grid bar 1, the grid bar 1 is actually a flat semi-circular strip structure. Therefore, in this application, the above-mentioned difference of R1 - R2 is greater than 2R, so as to form a wavy structure.

[0057] Since the grid bar 1 in this application is connected to the transverse partition plate 2 through the clamping part 201, and there is a part exposed outside the clamping part 201 and forms a flat plane with the end face of the transverse partition plate 2. Therefore, in the extreme state, if the grid bar 1 is in the above-mentioned flat semi-circular strip structure, the overall inner wall surface of the separating concave plate is actually approximately a flat arc, making it difficult to achieve the threshing purpose. Therefore, in this application, by making the grid bar 1 structure wavy, it can make up for the flat plane formed by the grid bar 1 and the transverse partition plate 2 at the transverse partition plate 2, ensuring the threshing ability while greatly reducing the breakage rate of the output.

[0058] In addition, the present utility model further provides a grain harvester, which includes the above-mentioned separating concave plate.

[0059] For the grain harvester adopting the separating concave plate provided by the present application, the interference of the cross partition plate 2 on the threshing material can be reduced, thereby reducing the breakage rate of grains and straws and improving the operation ability of the harvester.

[0060] The above are only the preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A separating concave plate, characterized in that, It includes grid bars, transverse partitions, longitudinal partitions and side plates; The side plates are provided on both sides of the longitudinal partition, and the side plates are arranged parallel to the longitudinal partition. A plurality of the transverse partitions are provided along the extending directions of the side plates and the longitudinal partition, and the plurality of transverse partitions are arranged perpendicular to the longitudinal partition; A plurality of clamping portions are provided at intervals along the extending direction of the transverse partition, and the clamping portions on each transverse partition correspond to each other. The grid bars are snapped into the clamping portions, and the depth of the clamping portion is less than the diameter of the grid bar, so that the exposed surface of the grid bar is higher than the end surface of the transverse partition.

2. The separating concave plate according to claim 1, characterized in that, It further includes a sealing plate. The extending direction of the sealing plate is the same as that of the transverse partition, and the sealing plate is located at both ends of the longitudinal partition and the side plates; Positioning portions are formed on the sealing plate corresponding to the positions of the grid bars, so that the ends of the grid bars are embedded in the positioning portions.

3. The separating concave plate according to claim 1, characterized in that, Slots are formed on both the side plates and the longitudinal partition, and the slots on the side plates and the longitudinal partition are arranged in one-to-one correspondence. The transverse partition is inserted into the slots to be connected with the side plates and the longitudinal partition.

4. The separating concave plate according to claim 1, wherein Both the side plates and the longitudinal partition are semi-circular ring structures.

5. The separating concave plate according to claim 2, characterized in that, The side plate includes a first side section and a second side section, the longitudinal partition includes a first longitudinal section and a second longitudinal section. The first side section and the second side section are of a split structure, the first longitudinal section and the second longitudinal section are of a split structure. The two ends of the first side section and the first longitudinal section and the two ends of the second side section and the second longitudinal section are both the sealing plates.

6. The separating concave plate according to claim 5, wherein, The first side section and the first longitudinal section have the same size, the second side section and the second longitudinal section have the same size, and the size ratio of the first side section to the second side section is 7:

3.

7. The separating concave plate according to claim 5, characterized in that, It further includes a connecting piece, and the connecting piece connects the sealing plates connected to the first longitudinal section and the sealing plates connected to the second longitudinal section.

8. The separating concave plate according to claim 1, characterized in that, The grid bar is of a wavy structure, and the included angle range between the peak of the grid bar and the next peak is 8°-24°.

9. The separating concave plate according to claim 8, wherein, For the wavy grid bar, the radius of the circle formed by connecting a plurality of peaks is R1, the radius of the circle formed by connecting a plurality of valleys is R2, and the radius of the grid bar is R. R1 - R2 is within 2R - 4R.

10. A grain harvester, characterized in that, It includes the separating concave plate according to any one of claims 1-9 above.

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