CN218526853U - Threshing cylinder, threshing mechanism and harvester - Google Patents
Threshing cylinder, threshing mechanism and harvester Download PDFInfo
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- CN218526853U CN218526853U CN202222858153.2U CN202222858153U CN218526853U CN 218526853 U CN218526853 U CN 218526853U CN 202222858153 U CN202222858153 U CN 202222858153U CN 218526853 U CN218526853 U CN 218526853U
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Abstract
The utility model discloses a threshing cylinder, threshing mechanism and harvester, threshing cylinder includes the cylinder body, the cylinder body is divided into feeding section, threshing section, disengagement section and row's grass section along its length direction is in the preface, be equipped with the feeding blade on the roll surface of feeding section, install threshing teeth on the roll surface of threshing section, be equipped with the spike-tooth on the roll surface of disengagement section, be equipped with the disengagement blade on the roll surface of row's grass section, so make the straw through feeding section feeding to threshing section, thresh by threshing section, and the straw after threshing continues to carry and sieves to disengagement section, and the straw after the screening is discharged by row's grass section, and its feeding section, threshing section and disengagement section are rationally distributed, thresh effectually, and difficult straw putty takes place.
Description
Technical Field
The utility model belongs to the harvester field especially relates to a threshing cylinder, threshing mechanism and harvester.
Background
With the continuous development of agricultural technology, the growing area of grains is continuously increased and large farms are continuously developed, the requirement of farmers on a roller with higher threshing and separating efficiency is continuously improved, the feeding part and the threshing and separating element of the existing axial-flow type threshing roller are not reasonably distributed, so that the overall performance of the axial-flow type threshing roller cannot meet the requirement of the farmers on an efficient threshing and separating roller, and the problem that the feeding blade is not smooth under the complicated field use condition is mainly reflected in that certain defects exist in the design of the feeding blade; the layout of threshing and separating elements has certain limitation, and the separating and separating capacity of the threshing and separating elements is greatly influenced by the maturity of crops and field operation environmental conditions, so that certain phenomena of incomplete threshing, incomplete separation, entrainment loss and the like occur.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, one of the purposes of the utility model is to provide a four-section threshing cylinder which has simple structure, smooth straw feeding and good grain threshing effect.
In order to achieve the above purpose, the technical solution of the present invention is as follows: the utility model provides a threshing cylinder, includes the cylinder body, the cylinder body is divided into feeding section, threshing section, separation section and row's grass section along its length direction is according to the preface, be equipped with feeding blade on the roll surface of feeding section, install threshing teeth on the roll surface of threshing section, be equipped with the spike-tooth on the roll surface of separation section, be equipped with the separation blade on the roll surface of row's grass section.
The beneficial effects of the above technical scheme are that: therefore, the straws are fed into the threshing section through the feeding section and threshed by the threshing section, the threshed straws are continuously conveyed to the separating section for screening, the screened straws are discharged from the straw discharging section, and the feeding section, the threshing section and the separating section are reasonable in layout, good in threshing effect and not easy to cause straw blockage.
In the technical scheme, the feeding blades are arranged at the feeding section in a spiral shape, the feeding blades are uniformly distributed on the feeding section at intervals along the circumferential direction, and two ends of each feeding blade are flush with two ends of the feeding section.
The beneficial effects of the above technical scheme are that: therefore, a feeding channel is formed between two adjacent feeding blades, and the feeding effect is good.
In the technical scheme, the pitch of the feeding blade is 2-3 times of the length of the feeding section.
The beneficial effects of the above technical scheme are that: therefore, the straw has moderate stroke in the feeding section and good feeding effect.
In the technical scheme, the front section of the feeding blade inclines inwards, and the rear section of the feeding blade inclines outwards.
The beneficial effects of the above technical scheme are that: therefore, the feeding blades can push the straws into the threshing section more smoothly along the axial direction for threshing.
Among the above-mentioned technical scheme threshing teeth is equipped with a plurality ofly, and is a plurality of threshing teeth etc. divide into the multiunit and thresh the tooth group, and every group threshing teeth group has a plurality of threshing teeth, and is a plurality of with a set of threshing teeth is the heliciform setting and is in on the section of threshing, and multiunit threshing teeth group is in on the section of threshing along the even distribution in circumference interval, every threshing teeth at threshing teeth group both ends respectively with the both ends of the section of threshing flush.
The beneficial effects of the above technical scheme are that: therefore, the threshing tooth group can be used for threshing and feeding, the threshing teeth and the threshing concave plate thereof can be used for threshing grains on the straws together, meanwhile, the spiral threshing tooth group can be used for guiding the straws, and the threshed straws are conveyed to the separation section.
In the technical scheme, the plurality of threshing tooth groups correspond to the plurality of feeding blades one by one, and each threshing tooth group is aligned with one end, close to each other, of each corresponding feeding blade.
The beneficial effects of the above technical scheme are that: therefore, the straws are smoothly fed in the feeding section and the threshing section, and the threshing treatment is carried out simultaneously.
In the technical scheme, the nail teeth are arranged in a plurality and are uniformly distributed on the roller surface of the separation section.
The beneficial effects of the above technical scheme are that: therefore, the straw is scattered by the plurality of spike teeth so that the kernel wrapped in the straw is separated from the straw, and the loss caused by the kernel carried in the straw after the straw is discharged is avoided.
In the technical scheme, the separation blades are arranged in a plurality of numbers, the separation blades are spirally arranged on the grass discharge section, and the separation blades are uniformly distributed on the grass discharge section at intervals along the circumferential direction.
The beneficial effects of the above technical scheme are that: so that the threshing straw is sent out by a plurality of separating blades.
In the technical scheme, the length ratio of the feeding section to the threshing section to the separating section to the grass discharging section is 2:4-6:4-6:1-2.
The beneficial effects of the above technical scheme are that: therefore, the straws are fully threshed and separated in the threshing section and the separating section, so that the loss of grains is reduced.
The second purpose of the utility model is to provide a threshing mechanism with good threshing and separating effect and smooth straw feeding.
In order to realize the purpose, the technical scheme of the utility model is as follows: a threshing mechanism comprising a threshing cylinder as described above.
The beneficial effects of the above technical scheme are that: the threshing device has good threshing effect, smooth straw feeding and difficult blockage.
The third purpose of the utility model is to provide a threshing and separating harvester with good effect.
In order to realize the purpose, the technical scheme of the utility model is as follows: a harvester comprising a threshing mechanism as described above.
The beneficial effects of the above technical scheme are that: the threshing device has good threshing effect and good stability.
Drawings
FIG. 1 is a schematic view of a threshing cylinder according to an embodiment of the present invention;
FIG. 2 is an elevation view of a threshing cylinder according to an embodiment of the present invention;
fig. 3 is a partial view of a feed section and feed blades according to an embodiment of the present invention.
In the figure: 1 roller body, 11 feeding section, 12 threshing section, 13 separating section, 14 grass discharging section, 2 feeding blade, 3 threshing teeth, 4 spike teeth and 5 separating blade.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.
Example 1
As shown in fig. 1, this embodiment provides a threshing cylinder, including cylinder body 1, cylinder body 1 is divided into feeding section 11, threshing section 12, separation section 13 and row grass section 14 along its length direction in proper order, be equipped with feeding blade 2 on the roll surface of feeding section 11, install threshing teeth 3 on the roll surface of threshing section 12, be equipped with spike teeth 4 on the roll surface of separation section 13, be equipped with separation blade 5 on row grass section 14's the roll surface, so make the straw feed into threshing section through the feeding section, thresh by threshing section, and the straw after threshing continues to carry and sieves to separation section, and the straw after the screening is discharged by row grass section, and its feeding section, threshing section and separation section overall arrangement are reasonable, thresh effectually, and difficult straw putty that takes place.
In the technical scheme, the feeding blades 2 are arranged in a plurality, the feeding blades 2 are spirally arranged at the feeding section 11, the feeding blades 2 are uniformly distributed on the feeding section 11 at intervals along the circumferential direction, and two ends of each feeding blade 2 are flush with two ends of the feeding section 11, so that a feeding channel is formed between every two adjacent feeding blades, the feeding effect is good, the feeding section is frustum-shaped, the thin end of the feeding section deviates from the grass discharging end, and the thick end of the feeding section and the diameter of the threshing section are consistent and are coaxially and integrally formed, so that straws are fed more smoothly, namely, the opening of the feeding port is increased, and meanwhile, the thin end of the feeding section is more beneficial to guiding in the straws.
In the technical scheme, the pitch of the feeding blade 2 is 2-3 times of the length of the feeding section 11, so that the straw stroke in the feeding section is moderate, and the feeding effect is good.
In the above technical scheme, the front section of the feeding blade 2 is inclined inward, and the rear section of the feeding blade 2 is inclined outward (preferably, the angle of inclination of the front end of the feeding blade towards one side of the rotation direction of the drum body is 45 degrees, and the angle of inclination of the tail end of the feeding blade towards the direction deviating from the rotation direction of the drum body is 15 degrees), so that the feeding blade can push the straws into the threshing section more smoothly along the axis direction for threshing, wherein the boundary between the front section and the rear section of the feeding blade is located at 2/3 of the length of the feeding blade (i.e. the length of the front section of the feeding blade is 2/3 of the total length of the feeding blade, and the length of the rear section of the feeding blade is 1/3 of the total length of the feeding blade, and the inward inclination angle from the front end of the feeding blade to the boundary is gradually reduced until the tangent plane at the corresponding position of the drum body is in a vertical state, and the outward inclination angle from the boundary to the tail end of the feeding blade is gradually increased to 15 degrees, wherein the front end of the blade is close to the feeding end of the discharging grass from the drum body.
In the above technical scheme threshing teeth 3 is equipped with a plurality ofly, and a plurality of threshing teeth 3 equant divisions are multiunit threshing teeth group, and every group threshing teeth group has a plurality of threshing teeth 3, and is a plurality of with a set of threshing teeth 3 are the heliciform setting and are in threshing section 12 is last, and the multiunit threshing teeth group is in threshing section 12 is last along the even distribution of circumference interval, every threshing teeth 3 at threshing teeth group both ends respectively with threshing section 12's both ends flush, so make threshing teeth group both thresh and carry out the pay-off, its threshing teeth threshes the processing with threshing concave plate jointly with the seed grain on the straw, and heliciform threshing teeth group carries out the guide to the straw simultaneously, and its straw after will threshing carries extremely separation section.
In the technical scheme, the threshing teeth are in one-to-one correspondence with the feeding blades 2, and each threshing tooth is aligned with one end, close to the feeding blades 2, corresponding to the threshing teeth, so that the straws are smoothly fed in the feeding section and the threshing section and are threshed simultaneously. The threshing teeth are in a trapezoid shape, one side of the threshing teeth, which is consistent with the rotation direction of the roller body, is an inclined plane, the top surfaces of the threshing teeth deviate from the roller body, and the top surfaces of the threshing teeth are friction surfaces (the friction surfaces are formed by uniformly distributing convex teeth).
In the technical scheme, the nail teeth 4 are arranged in plurality, the nail teeth 4 are uniformly distributed on the roller surface of the separation section 13, so that the straw is scattered by the nail teeth to separate the kernel wrapped in the straw from the straw, and the loss caused by the kernel carried in the straw after the straw is discharged is avoided.
In the technical scheme, the separation blades 5 are arranged in a plurality of numbers, the separation blades 5 are spirally arranged on the grass discharging section 14, and the separation blades 5 are uniformly distributed on the grass discharging section 14 at intervals along the circumferential direction, so that the threshing straws are sent out by the separation blades.
In the technical scheme, the length ratio of the feeding section 11 to the threshing section 12 to the separating section 13 to the grass discharging section 14 is 2:4-6:4-6:1-2, so that the straws are fully threshed and separated in the threshing section and the separating section, and the loss of grains is reduced.
The feeding blade, the threshing teeth group and the separating blade have the same spiral direction, and the spiral direction from front to back is opposite to the rotating direction of the roller body (taking the feeding blade as an example, the direction of the feeding blade from front to back is opposite to the rotating direction of the roller body, so that when the roller body rotates, straws are fed from the feeding section and conveyed to the grass discharging section to be discharged).
Example 2
The embodiment provides a threshing mechanism, which comprises a threshing cylinder as in embodiment 1, and has the advantages of good threshing effect, smooth straw feeding and difficult material blockage.
Example 3
The embodiment provides a harvester, which comprises the threshing mechanism in the embodiment 2, and the running threshing effect and the stability are good.
It should be noted that the above detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein.
Also, when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a single embodiment.
Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
For ease of description, spatially relative terms, such as "on," "over," "on top of," "above," and the like, may be used herein to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.
For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above" may include both an orientation of "above" and "below". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; the present invention can be smoothly implemented by those skilled in the art according to the drawings and the above description; however, those skilled in the art should understand that the equivalent embodiments of the present invention are equivalent embodiments of the present invention, and that the changes, modifications and evolutions made by the above-disclosed technical contents are not departed from the technical scope of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.
Claims (11)
1. The utility model provides a threshing cylinder, its characterized in that, includes cylinder body (1), cylinder body (1) is divided into feeding section (11), threshing section (12), separation section (13) and row's grass section (14) along its length direction in proper order, be equipped with feeding blade (2) on the roll surface of feeding section (11), install threshing teeth (3) on the roll surface of threshing section (12), be equipped with spike tooth (4) on the roll surface of separation section (13), be equipped with separation blade (5) on the roll surface of row's grass section (14).
2. The threshing cylinder according to claim 1, characterised in that the number of the feed vanes (2) is plural, the feed vanes (2) are spirally arranged at the feed section (11), and the plurality of feed vanes (2) are evenly distributed on the feed section (11) along the circumferential direction at intervals, and both ends of each feed vane (2) are flush with both ends of the feed section (11).
3. The threshing cylinder according to claim 2, characterised in that the pitch of the feeder vanes (2) is 2-3 times the length of the feeder section (11).
4. The threshing cylinder according to claim 3, characterised in that the front section of the feeder vanes (2) is inclined inwards and the rear section of the feeder vanes (2) is inclined outwards.
5. The threshing cylinder according to claim 2, characterized in that the threshing teeth (3) are provided in plurality, and the threshing teeth (3) are equally divided into a plurality of groups of threshing teeth (3), and each group of threshing teeth has a plurality of threshing teeth (3), the threshing teeth (3) of the same group are spirally arranged on the threshing section (12), and the threshing teeth of the same group are uniformly distributed on the threshing section (12) along the circumferential direction at intervals, and the threshing teeth (3) at both ends of each threshing teeth group are respectively flush with both ends of the threshing section (12).
6. The threshing cylinder according to claim 5, characterised in that a plurality of said sets of threshing teeth are in one-to-one correspondence with a plurality of said feeder vanes (2), each said set of threshing teeth being aligned with the end of a corresponding feeder vane (2) that is adjacent to each other.
7. The threshing cylinder according to claim 1, characterized in that the spikes (4) are provided in a plurality, and that a plurality of spikes (4) are evenly distributed over the roll surface of the separating section (13).
8. The threshing cylinder according to claim 1, characterised in that the separating blades (5) are provided in plurality, that the separating blades (5) are all arranged helically on the grass discharge section (14), and that the separating blades (5) are evenly distributed at circumferential intervals on the grass discharge section (14).
9. Threshing cylinder according to any one of claims 1-8, characterised in that the length ratio of the infeed section (11), the threshing section (12), the separating section (13) and the grass discharge section (14) is 2:4-6:4-6:1-2.
10. A threshing mechanism comprising a threshing cylinder according to any of claims 1-9.
11. A harvester comprising the threshing mechanism of claim 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222858153.2U CN218526853U (en) | 2022-10-28 | 2022-10-28 | Threshing cylinder, threshing mechanism and harvester |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222858153.2U CN218526853U (en) | 2022-10-28 | 2022-10-28 | Threshing cylinder, threshing mechanism and harvester |
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| Publication Number | Publication Date |
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| CN218526853U true CN218526853U (en) | 2023-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222858153.2U Active CN218526853U (en) | 2022-10-28 | 2022-10-28 | Threshing cylinder, threshing mechanism and harvester |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117413694A (en) * | 2023-12-14 | 2024-01-19 | 吉林大学 | Axial-flow type coaxial coupling corn threshing inner and outer double rollers |
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2022
- 2022-10-28 CN CN202222858153.2U patent/CN218526853U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117413694A (en) * | 2023-12-14 | 2024-01-19 | 吉林大学 | Axial-flow type coaxial coupling corn threshing inner and outer double rollers |
| CN117413694B (en) * | 2023-12-14 | 2024-03-26 | 吉林大学 | Axial-flow type coaxial coupling corn threshing inner and outer double rollers |
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