Material guiding device and screen structure

Abstract

The utility model provides a material guiding device and a screen structure. The material guiding device comprises a clamping assembly and a guiding assembly. The clamping assembly is provided with a first clamping part and a second clamping part; the first clamping part is clamped to the first end face of the screen piece at the first preset position of the screen piece, and the second clamping part is clamped to the second end face opposite to the first clamping part at the first preset position of the screen piece. The flow guide assembly is connected with the clamping assembly so that the flow guide assembly can be fixed to the screen piece through the clamping assembly. A first preset angle is formed between the flow guide direction of the flow guide assembly and the width direction of the screen, so that materials on the screen are guided to a third preset position from a second preset position in the flow guide direction. The flow guide assembly is fixed to the screen piece through the clamping assembly, flow guide is conducted on materials on the screen piece through the flow guide assembly, so that the materials on the screen are guided to the right side from the left side, it is guaranteed that the materials on the screen are balanced, and the overall cleaning effect is improved.

Description

Technical Field

[0001] The present application relates to the technical field of agricultural machinery and equipment, in particular to a material guide device and a screen structure. Background Art

[0002] Most of the existing crawler rice harvesters adopt the longitudinal axial flow technology route, that is, the axial direction of the roller is parallel to the forward direction of the rice harvester; in addition, the drum rotates counterclockwise, and the material falls onto the screen surface after being separated from the concave plate holes. When observed from the rear side of the whole machine, the material flow separated by the counterclockwise rotation of the drum is affected by the tangential force, resulting in the distribution of the material on the screen surface gradually decreasing from the left to the right, and the far right side is the miscellaneous material. Due to the uneven distribution on the screen surface, the overall cleaning effect is affected.

[0003] Therefore, there is an urgent need for a material diversion device to solve the technical problems existing in the prior art to a certain extent. Utility Model Content

[0004] The purpose of the present application is to provide a material diversion device and a screen structure, which can to a certain extent solve the technical problem that the material is unevenly distributed on the screen due to the screen structure in the prior art, thereby affecting the cleaning effect.

[0005] The present application provides a material flow guiding device for installation on a screen plate of a screen structure; the material flow guiding device comprises a clamping assembly and a flow guiding assembly;

[0006] The clamping assembly comprises a first clamping portion and a second clamping portion; the first clamping portion is clamped to a first end surface of the screen at a first preset position of the screen, and the second clamping portion is clamped to a second end surface opposite to the first clamping portion at the first preset position of the screen;

[0007] The flow guide component is connected to the clamping component so as to be fixed to the screen through the clamping component;

[0008] The diversion direction of the diversion component forms a first preset angle with the width direction of the screen structure, so that the material on the screen is diverted from the second preset position to the third preset position along the diversion direction.

[0009] In the above technical solution, further, the first clamping portion includes a first clamping arm and a first clamping hook; the second clamping portion includes a second clamping arm and a second clamping hook;

[0010] The first hook is disposed at one end of the first clamping arm away from the flow guide assembly, and the second hook is disposed at one end of the second clamping arm away from the flow guide assembly;

[0011] The first hook faces the first end surface and is engaged with the first end surface at the first preset position; the second hook faces the second end surface and is engaged with the second end surface at the first preset position.

[0012] In the above technical solution, further, the first clamping arm and the second clamping arm are both parallel to the extension direction of the screen.

[0013] In the above technical solution, further, the first hook and the second hook are staggered in the extension direction of the screen.

[0014] In the above technical solution, further, the guide assembly includes a guide plate;

[0015] The guide direction of the guide plate forms a first preset angle with the width direction of the screen structure;

[0016] One end of the first clamping arm away from the first clamping hook and one end of the second clamping arm away from the second clamping hook are both connected to the guide plate.

[0017] In the above technical solution, further, a clamping groove is formed between one end of the first clamping arm close to the guide plate and one end of the second clamping arm close to the guide plate.

[0018] In the above technical solution, further, the guide plate forms a first guide surface and a second guide surface along the guide direction;

[0019] One end of the first clamping arm away from the first clamping hook is fixed to the first flow guiding surface, and one end of the second clamping arm away from the second clamping hook is fixed to the second flow guiding surface.

[0020] In the above technical solution, further, the guide plate, the first clamping arm, the first clamping hook, the second clamping arm and the second clamping hook are integrally formed.

[0021] The present application also provides a screen structure, including a frame, a screen sheet and the above-mentioned material guide device;

[0022] The sieve plates are provided in plurality, and the sieve plates are arranged in the frame at intervals along the width direction of the frame, and a second preset angle is formed between the sieve plates and the frame;

[0023] One side of the root of the sieve plate is convex toward the other side, so that one side of the root of the sieve plate is formed with a convex portion and the other end is a concave portion;

[0024] The first hook is hooked to the protruding portion, and the second hook is hooked to the recessed portion.

[0025] In the above technical solution, further, the top of the screen is wavy, so that the screen has a crest portion; and the snap-in groove is snap-connected to the crest portion.

[0026] Compared with the prior art, this application has the following beneficial effects:

[0027] The present application also provides a material flow guiding device for installation on a screen plate of a screen structure; the material flow guiding device comprises a clamping assembly and a flow guiding assembly;

[0028] The clamping assembly comprises a first clamping portion and a second clamping portion; the first clamping portion is clamped to a first end surface of the screen at a first preset position of the screen, and the second clamping portion is clamped to a second end surface opposite to the first clamping portion at the first preset position of the screen;

[0029] The flow guide component is connected to the clamping component so as to be fixed to the screen through the clamping component;

[0030] The diversion direction of the diversion component forms a first preset angle with the width direction of the screen, so that the material on the screen is diverted from the second preset position to the third preset position along the diversion direction.

[0031] In summary, the present application uses a clamping assembly to fix the guide assembly on the screen, and uses the guide assembly to guide the material on the screen, so that the material on the screen is guided from the left side to the right side (the left and right sides have been explained in the background technology), ensuring that the material on the screen is balanced, thereby improving the overall cleaning effect.

[0032] The present application also provides a screen structure, including a frame, a screen sheet and the above-mentioned material guide device;

[0033] The sieve plates are provided in plurality, and the sieve plates are arranged in the frame at intervals along the width direction of the frame, and a second preset angle is formed between the sieve plates and the frame;

[0034] One side of the root of the sieve plate is convex toward the other side, so that one side of the root of the sieve plate is formed with a convex portion and the other end is a concave portion;

[0035] The first hook is hooked to the protruding portion, and the second hook is hooked to the recessed portion.

[0036] In summary, since the screen structure includes a material diversion device, the material on the screen is diverted through the diversion component, so that the material on the screen is diverted from the left side to the right side (the left side and the right side have been explained in the background technology), ensuring that the material on the screen is balanced, thereby improving the overall cleaning effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] In order to more clearly illustrate the specific implementation methods of the present application or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0038] Figure 1 A schematic diagram of the structure of the material guide device provided in this application at a first viewing angle;

[0039] Figure 2 A schematic diagram of the structure of the material guide device provided in this application at a second viewing angle;

[0040] Figure 3 A schematic diagram of the structure of the material guide device provided in this application from a third viewing angle;

[0041] Figure 4 A schematic diagram of the structure of the screen structure provided in this application (six material guide devices are arranged on the screen plate) at a first viewing angle;

[0042] Figure 5 A schematic diagram of the structure of the screen structure provided in this application (six material guide devices are arranged on the screen plate) at a second viewing angle;

[0043] Figure 6 A schematic diagram of the structure of the screen structure provided in this application (six material guide devices are arranged on the screen plate) from a third viewing angle;

[0044] Figure 7 A top view of the screen structure provided in this application (four material guide devices are arranged on the screen);

[0045] Figure 8 A schematic diagram of the structure of a screen provided in the present application with a material guide device provided on the screen in a first viewing angle;

[0046] Fig. 9 A schematic diagram of the structure of the screen provided in the present application, in which a material flow guiding device is arranged and viewed from a second viewing angle;

[0047] Fig.10 A partial cross-sectional view of a material guide device provided on the screen provided in the present application;

[0048] Fig.11 A side view of a material guide device provided on the screen provided in the present application.

[0049] Figure markings: 2-screen; 3-clamping assembly; 5-first clamping part; 6-second clamping part; 7-first end face; 8-second end face; 9-flow diversion direction; 10-width direction of the screen; 11-first clamping arm; 12-first hook; 13-guide plate; 14-clamping groove; 15-first guide surface; 16-second guide surface; 17-frame; 18-material diversion device; 19-protrusion; 20-recess; 21-peak part; 22-second clamping arm; 23-second hook. DETAILED DESCRIPTION

[0050] The following specific embodiments are provided to help the reader obtain a comprehensive understanding of the methods, devices and / or systems described herein. However, after understanding the disclosure of the present application, various changes, modifications and equivalents of the methods, devices and / or systems described herein will be apparent. For example, the order of operations described herein is merely an example, and is not limited to the order set forth herein, but in addition to the operations that must occur in a particular order, changes that will be apparent after understanding the disclosure of the present application may be made. In addition, in order to improve clarity and brevity, descriptions of features known in the art may be omitted.

[0051] The features described herein may be implemented in different forms and should not be interpreted as being limited to the examples described herein. Rather, the examples described herein have been provided only to illustrate some of the many possible ways of implementing the methods, devices and / or systems described herein that will be apparent after understanding the disclosure of the present application.

[0052] Throughout the specification, when an element (such as a layer, a region, or a substrate) is described as being “on”, “connected to”, “bound to”, “over”, or “covering” another element, it may be directly “on”, “connected to”, “bound to”, “over”, or “covering” another element, or one or more other elements may be present between them. In contrast, when an element is described as being “directly on”, “directly connected to”, “directly bound to”, “directly over”, or “directly covering” another element, there may be no other elements present between them.

[0053] As used herein, the term "and / or" includes any one of the associated listed items and any combination of any two or more items.

[0054] Although terms such as "first," "second," and "third" may be used herein to describe various members, components, regions, layers, or portions, these members, components, regions, layers, or portions are not limited by these terms. Rather, these terms are only used to distinguish one member, component, region, layer, or portion from another member, component, region, layer, or portion. Therefore, without departing from the teachings of the examples described herein, the first member, component, region, layer, or portion referred to may also be referred to as the second member, component, region, layer, or portion.

[0055] For ease of description, spatial relational terms such as "above", "upper", "below", and "lower" may be used herein to describe the relationship of one element to another element as shown in the accompanying drawings. Such spatial relational terms are intended to include different orientations of the device in use or operation in addition to the orientation depicted in the accompanying drawings. For example, if the device in the accompanying drawings is turned over, an element described as being "above" or "upper" relative to another element will subsequently be "below" or "lower" relative to the other element. Therefore, the term "above" includes both "above" and "below" orientations depending on the spatial orientation of the device. The device may also be positioned in other ways (e.g., rotated 90 degrees or in other orientations), and the spatial relational terms used herein will be interpreted accordingly.

[0056] The terms used herein are only used to describe various examples and are not used to limit the present disclosure. Unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. The terms "include", "comprise" and "have" list the stated features, quantities, operations, components, elements and / or their combinations that exist, but do not exclude the existence or addition of one or more other features, quantities, operations, components, elements and / or their combinations.

[0057] Variations in the shapes shown in the drawings may occur due to manufacturing techniques and / or tolerances. Therefore, the examples described herein are not limited to the specific shapes shown in the drawings but include variations in shapes that occur during manufacturing.

[0058] The features of the examples described herein may 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, other configurations are possible as will be apparent after understanding the disclosure of the present application.

[0059] Embodiment 1

[0060] In this embodiment, a material flow guiding device 18 is provided, and the material flow guiding device 18 is used to be installed on the screen plate 2 of the screen structure; the material flow guiding device 18 includes a clamping component 3 and a flow guiding component.

[0061] Specifically, the clamping assembly 3 has a first clamping portion 5 and a second clamping portion 6; the screen 2 has a first end face 7 and a second end face 8 arranged opposite to each other; the first clamping portion 5 is clamped to the first end face 7 of the screen 2 at the first preset position of the screen 2, and the second clamping portion 6 is clamped to the second end face 8 opposite to the first clamping portion 5 at the first preset position of the screen 2, that is, the first clamping portion 5 and the second clamping portion 6 are respectively clamped to the two end faces of the screen 2.

[0062] Combination Figure 4 As shown, the first preset positions are preferably the two ends of the screen plate 2, that is, the materials at the ends of the screen plate 2 are guided to the middle position of the screen plate 2 by the guide assembly.

[0063] Specifically, the flow guide component is fixedly connected to the clamping component 3 so as to be fixed to the screen plate 2 through the clamping component 3 .

[0064] Specifically, combined Figure 4 As shown, the diversion direction 9 of the diversion assembly forms a first preset angle α with the width direction 10 of the screen, so that the material on the screen is diverted from the second preset position to the third preset position along the diversion direction 9. The second preset position refers to the end position of the screen plate 2, and the third preset position refers to the middle position of the screen plate 2.

[0065] Further, the first preset angle α is set between 0-90°, preferably 30°.

[0066] In summary, the present application fixes the guide component on the screen 2 by utilizing the clamping component 3, and guides the material on the screen 2 through the guide component, so that the material on the screen is guided from the left side to the right side (the left side and the right side have been explained in the background technology), ensuring that the material on the screen is uniform, thereby improving the overall cleaning effect.

[0067] In this embodiment, combined with Figure 1-Figure 3 As shown, the first clamping portion 5 includes a first clamping arm 11 and a first hook 12; the first hook 12 is arranged at one end of the first clamping arm 11 away from the diversion assembly, and the second hook 23 is arranged at one end of the second clamping arm 22 away from the diversion assembly.

[0068] In addition, the first hook 12 is bent toward the first end surface 7 and is engaged with the first end surface 7 at a first preset position; the second hook 23 is bent toward the second end surface 8 and is engaged with the second end surface 8 at a first preset position.

[0069] In summary, the first hook 12 is hooked on the first end face 7, and the second hook 23 is hooked on the second end face 8, so that the clamping assembly 3 is firmly fixed to the screen plate 2, thereby ensuring that the guide assembly can also be firmly fixed to the screen plate 2 through the clamping assembly 3, thereby ensuring the stability of the guide assembly.

[0070] In this embodiment, the first clamping arm 11 and the second clamping arm 22 are both parallel to the extension direction of the screen plate 2 .

[0071] Specifically, combined Figure 4 As shown, the screen plate 2 is inclined to a certain extent, and the first clamping arm 11 and the second clamping arm 22 are also inclined at a certain angle, so that the first clamping arm 11 and the second clamping arm 22 are parallel to the extension direction of the screen plate 2.

[0072] In summary, the first clamping arm 11 and the second clamping arm 22 are parallel to the extension direction of the screen 2 to ensure that the first clamping arm 11 and the second clamping arm 22 will not interfere with the transmission of the material, and can also guide the material to a certain extent.

[0073] In this embodiment, the first hook 12 and the second hook 23 are staggered in the extension direction of the screen plate 2 .

[0074] Specifically, considering that the first clamping portion 5 and the second clamping portion 6 are both clamped on the screen plate 2 at the first preset position, if the first hook 12 and the second hook 23 are correspondingly clamped in the extension direction of the screen plate 2, the load on the screen plate 2 will be increased, and it is easy to cause stress concentration on the screen plate 2 at the position of the first clamping portion 5 and the second clamping portion 6, thereby causing damage to the screen plate 2; based on the above considerations, in this embodiment, the first hook 12 and the second hook 23 are staggered in the extension direction of the screen plate 2, so that the first hook 12 and the second hook 23 will not cause stress concentration problems on the screen plate 2.

[0075] In this embodiment, combined with Figure 4 and Figure 6 As shown, the guide assembly includes a guide plate 13; the guide direction 9 of the guide plate 13 forms a first preset angle α with the width direction 10 of the screen.

[0076] In addition, one end of the first clamping arm 11 away from the first hook 12 and one end of the second clamping arm 22 away from the second hook 23 are both connected to the guide plate 13. That is, the guide plate 13 is connected to the first clamping arm 11 and the second clamping arm 22 respectively, and the guide plate 13 is fixed to the screen 2 through the first clamping arm 11 and the second clamping arm 22.

[0077] In this embodiment, combined with Figure 1As shown, a clamping groove 14 is formed between one end of the first clamping arm 11 close to the guide plate 13 and one end of the second clamping arm 22 close to the guide plate 13 .

[0078] Furthermore, the thickness of the engaging groove 14 is equal to the thickness of the screen.

[0079] In this embodiment, combined with Figure 2 and Figure 3 As shown, the guide plate 13 forms a first guide surface 15 and a second guide surface 16 along the guide direction 9 .

[0080] Specifically, one end of the first clamping arm 11 away from the first clamping hook 12 is fixed to the first guide surface 15 , and one end of the second clamping arm 22 away from the second clamping hook 23 is fixed to the second guide surface 16 .

[0081] In this embodiment, the guide plate 13, the first clamping arm 11, the first hook 12, the second clamping arm 22 and the second hook 23 are integrally formed; preferably, the guide plate 13, the first clamping arm 11, the first hook 12, the second clamping arm 22 and the second hook 23 are integrally formed by injection molding.

[0082] In summary, the present application also has the following advantages: (1) It is flexible and convenient to install, and the number and position of the required guide plates 13 can be freely adjusted according to the actual effect, the time and type of crop harvesting; (2) It can realize forced guidance of the screen surface material and distribute it evenly; (3) It is directly installed on the screen plate 2, is light in weight, and will not increase the load on the screen plate 2.

[0083] Embodiment 2

[0084] In this embodiment, a screen structure is provided, including a frame 17 , a screen plate 2 and the material guiding device 18 mentioned above.

[0085] Specifically, Figure 4-Figure 7 As shown, a plurality of screen plates 2 are provided, and the plurality of screen plates 2 are arranged in the frame 17 at intervals along the width direction of the frame 17 , and a second preset angle is formed between the screen plates 2 and the frame 17 .

[0086] Specifically, one side (inner side) of the root of the screen plate 2 protrudes toward the other side (outer side), so that a protruding portion 19 is formed on one side of the root of the screen plate 2 and the other end is a recessed portion 20. The first hook 12 is engaged with the protruding portion 19, and the second hook 23 is engaged with the recessed portion 20, thereby achieving the fixing of the clamping assembly 3 on the screen plate 2.

[0087] In this embodiment, the top of the screen plate 2 is wavy, so that the screen plate 2 has a wave crest portion 21 ; the engaging groove 14 is engaged with the wave crest portion 21 .

[0088] In summary, the first hook 12 and the second hook 23 can fix the guide part on the XY plane of the screen plate 2, and be connected to the peak part 21 in the Z-axis direction through the connecting groove 14 to limit the Z-direction displacement, thereby achieving positioning in three dimensions.

[0089] Combination Figure 4 As shown, six material guide devices 18 are arranged on the screen 2, four are arranged on the left side, two of which are located at the same screen 2, and the other two are located at another screen 2; two are arranged on the right side, and the two material guide devices 18 on different screens 2 are located in the guide direction 9; two are arranged on the right side, and the two are located on different screens 2, and the two material guide devices 18 are located in the guide direction 9.

[0090] Combination Figure 7 As shown, four material guide devices 18 are arranged on the screen plate 2, two of which are located at the same screen plate 2, and the other two are located at another screen plate 2. Two are arranged on the right side, and the two material guide devices 18 on different screen plates 2 are located in the guide direction 9.

[0091] It is worth noting that the number and position of the material guiding devices 18 can be adjusted according to different materials. For example, the material guiding devices 18 on the left and the material guiding devices 18 on the right are arranged in a mirror-symmetrical manner.

[0092] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A material flow guide device, used for installing on a screen plate of a screen structure; characterized in that: The material flow guiding device comprises a clamping assembly and a flow guiding assembly; The clamping assembly comprises a first clamping portion and a second clamping portion; the first clamping portion is clamped to a first end surface of the screen at a first preset position of the screen, and the second clamping portion is clamped to a second end surface opposite to the first clamping portion at the first preset position of the screen; The flow guide component is connected to the clamping component so as to be fixed to the screen through the clamping component; The diversion direction of the diversion component forms a first preset angle with the width direction of the screen structure, so that the material on the screen is diverted from the second preset position to the third preset position along the diversion direction.

2. The material guiding device according to claim 1, characterized in that: The first clamping portion includes a first clamping arm and a first clamping hook; the second clamping portion includes a second clamping arm and a second clamping hook; The first hook is disposed at one end of the first clamping arm away from the flow guide assembly, and the second hook is disposed at one end of the second clamping arm away from the flow guide assembly; The first hook faces the first end surface and is engaged with the first end surface at the first preset position; the second hook faces the second end surface and is engaged with the second end surface at the first preset position.

3. The material guiding device according to claim 2, characterized in that: The first clamping arm and the second clamping arm are both parallel to the extending direction of the screen.

4. The material guiding device according to claim 2, characterized in that: The first hook and the second hook are staggered in the extending direction of the screen.

5. The material guiding device according to claim 2, characterized in that: The flow guide assembly includes a flow guide plate; The guide direction of the guide plate forms a first preset angle with the width direction of the screen structure; One end of the first clamping arm away from the first clamping hook and one end of the second clamping arm away from the second clamping hook are both connected to the guide plate.

6. The material guiding device according to claim 5, characterized in that: A clamping groove is formed between one end of the first clamping arm close to the guide plate and one end of the second clamping arm close to the guide plate.

7. The material guiding device according to claim 5, characterized in that: The guide plate forms a first guide surface and a second guide surface along the guide direction; One end of the first clamping arm away from the first clamping hook is fixed to the first flow guiding surface, and one end of the second clamping arm away from the second clamping hook is fixed to the second flow guiding surface.

8. The material guiding device according to claim 5, characterized in that: The guide plate, the first clamping arm, the first clamping hook, the second clamping arm and the second clamping hook are integrally formed.

9. A screen structure, characterized in that: It comprises a frame, a screen and the material guiding device according to claim 6; The sieve plates are provided in plurality, and the sieve plates are arranged in the frame at intervals along the width direction of the frame, and a second preset angle is formed between the sieve plates and the frame; One side of the root of the sieve plate is convex toward the other side, so that one side of the root of the sieve plate is formed with a convex portion and the other end is a concave portion; The first hook is hooked to the protruding portion, and the second hook is hooked to the recessed portion.

10. The screen structure according to claim 9, characterized in that: The top of the screen is wavy, so that the screen has a crest portion; the engaging groove is engaged with the crest portion.

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