CN114128498A - Straw chopping hob device and combine harvester - Google Patents
Straw chopping hob device and combine harvester Download PDFInfo
- Publication number
- CN114128498A CN114128498A CN202111337560.2A CN202111337560A CN114128498A CN 114128498 A CN114128498 A CN 114128498A CN 202111337560 A CN202111337560 A CN 202111337560A CN 114128498 A CN114128498 A CN 114128498A
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- China
- Prior art keywords
- chopping
- straw
- blade
- main shaft
- straw chopping
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F29/00—Cutting apparatus specially adapted for cutting hay, straw or the like
- A01F29/02—Cutting apparatus specially adapted for cutting hay, straw or the like having rotating knives with their cutting edges in a plane perpendicular to their rotational axis
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D41/00—Combines, i.e. harvesters or mowers combined with threshing devices
- A01D41/12—Details of combines
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F29/00—Cutting apparatus specially adapted for cutting hay, straw or the like
- A01F29/09—Details
- A01F29/095—Mounting or adjusting of knives
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Threshing Machine Elements (AREA)
Abstract
The invention relates to the field of agricultural machinery, in particular to a straw chopping hobbing cutter device and a combine harvester. The straw chopping hob device comprises a main shaft, a plurality of cutter seats distributed along the peripheral side of the main shaft and chopping cutters arranged on the cutter seats one by one, wherein first cutting edges are arranged on the chopping cutters, and second cutting edges are arranged on the cutter seats. The straw chopping hobbing cutter device provided by the invention has the advantages that the straw is chopped more completely, and the chopping performance is improved. The combine harvester applies the straw chopping hob device, and therefore has corresponding beneficial effects.
Description
Technical Field
The invention relates to the field of agricultural machinery, in particular to a straw chopping hobbing cutter device and a combine harvester.
Background
At present, stalks and sundries after threshing and separating of a combine harvester are long, and if the stalks and the sundries are directly discharged, the stalks and the sundries are not easily decomposed by microorganisms after falling into the field, so that certain influence is generated on the growth of succeeding crops; meanwhile, the burning of the straw pollutes the environment and destroys the organic components of the straw, which has been prohibited. Therefore, the straw chopping and returning to the field are particularly important.
In order to better return the discharged stalks and sundries after threshing and separation to the field, a straw and sundries chopping device is additionally arranged at a straw discharge port of the combine harvester.
The existing chopping device realizes the chopping effect by the coordination of a fixed cutter device and a hobbing cutter device. And because the chopping knife in the hobbing cutter device is arranged on the knife holder, a certain distance is reserved between the knife edge and the surface of the rotating main shaft, so that the straw is not completely chopped, and the chopping performance is insufficient.
Disclosure of Invention
The invention aims to provide a straw chopping hobbing cutter device, which can more completely chop straws and improve chopping performance.
Based on this, the invention provides a straw chopping hobbing cutter device, which comprises a main shaft, a plurality of cutter seats distributed along the peripheral side of the main shaft and chopping cutters arranged on the cutter seats one by one, wherein the chopping cutters are provided with first cutting edges, and the cutter seats are provided with second cutting edges.
The straw chopping hobbing cutter device comprises a first blade and a second blade, wherein the first blade comprises two first blades which are oppositely arranged.
In the straw chopping and hobbing cutter device, the distance between the two second blade parts of the second blades is gradually reduced towards the direction far away from the central line of the main shaft, so that the two second blade parts are in an inclined shape.
The straw chopping hobbing cutter device comprises a first cutter blade and a second cutter blade, wherein the first cutter blade comprises two first blade parts which are arranged oppositely.
According to the straw chopping hobbing cutter device, the chopping cutter is provided with the first fan blades protruding out of the side face of the chopping cutter.
The straw chopping and hobbing cutter device is characterized in that the first fan blade is formed by extending and bending from the edge of one of the first blade parts, which is close to the cutter seat part.
The straw chopping and hobbing cutter device is characterized in that the chopping cutter is detachably arranged on the cutter seat.
The straw chopping and hobbing cutter device is characterized in that the chopping cutter is detachably arranged on the cutter seat through a bolt.
According to the straw chopping hobbing cutter device, the chopping cutters are respectively arranged along the axial direction and the circumferential direction of the circumferential side of the main shaft at intervals, and two adjacent chopping cutters distributed along the circumferential direction are mutually vertical and are arranged in a staggered manner in the circumferential direction.
According to the straw chopping hobbing cutter device, the two ends of the main shaft are provided with the mounting baffles extending out along the circumferential direction, and the mounting baffles are provided with the anti-blocking cutters.
As above straw cuts up hobbing cutter device, be equipped with the third cutting edge on the anti-blocking cutter, the third cutting edge is including two third cutting parts that back of the body set up mutually.
According to the straw chopping hobbing cutter device, the anti-blocking cutter is provided with the second fan blade.
According to the straw chopping hobbing cutter device, the main shaft is cylindrical, and the two ends of the main shaft are provided with the baffle discs for sealing the cylindrical opening of the main shaft.
According to the straw chopping hobbing cutter device, the two ends of the main shaft axially extend out of the mounting shafts, and the mounting shaft at one end is provided with the spline.
The embodiment of the invention has the following beneficial effects:
1. among this hobbing cutter device is smashed to straw, the chopper mainly is responsible for smashing the stalk, and the blade holder is mainly responsible for breaking the stalk for the straw is smashed more completely, has promoted shredding performance and shredding efficiency.
2. The chopping knife and the knife holder are double-sided blades, the contact probability of the straw and the blade parts can be increased by the aid of the blade parts, accordingly, cracking and cutting times are increased, the straw is further completely chopped, and chopping performance and chopping efficiency are improved. And further reduces the number of shredding knives.
3. The main shaft drives the first fan blade to form cyclone when rotating at a high speed, so that on one hand, the stroke and the uniformity of straw chopping and throwing are increased, on the other hand, the blockage and the abrasion caused by the return of the chopped straw can be effectively prevented, on the other hand, the impact force of the straw in a chopping space is increased by the cyclone formed by the first fan blade, the probability of impact of the straw on a chopping knife, particularly a knife holder, is increased, and the chopping performance and the chopping efficiency are further improved.
4. The shredding cutter with the staggered structure can avoid material jamming between adjacent shredding cutters in the same plane, and meanwhile, the shredding performance can be enhanced.
5. In order to improve the chopping and scattering efficiency and avoid the blockage of two sides, two ends of the main shaft are provided with mounting baffles extending out along the circumferential direction, and anti-blocking cutters are arranged on the mounting baffles.
The embodiment also provides a combine harvester, which comprises a harvester body, wherein the harvester body is provided with the straw chopping hob device. The combine harvester applies the straw chopping hob device, and therefore has corresponding beneficial effects.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a straw chopping hob device provided in an embodiment of the present invention.
Fig. 2 is an enlarged view of a portion a of fig. 1.
FIG. 3 is a schematic view of the straw chopper assembly of FIG. 1 with the chopper removed.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 3, an embodiment of the present invention provides a straw chopping and hobbing cutter device, which includes a main shaft 1, a plurality of cutter seats 2 distributed along a peripheral side of the main shaft 1, and chopping cutters 3 mounted on the cutter seats 2 one by one, wherein a first cutting edge 31 is provided on the chopping cutter 3, and a second cutting edge 21 is provided on the cutter seat 2.
This straw cuts up hobbing cutter device and uses on combine, during the operation, arrange the grass mouthful with the straw, the surplus etc. discharges and cuts up the hobbing cutter device, 1 high-speed rotations of main shaft of cutting up the hobbing cutter device, drive blade holder 2 and cut up sword 3 and rotate, the straw is rolled in cutting up the space, stir, irregular motions such as collision, finally hit to cutting up sword 3 and blade holder 2 from all directions, 3 main being responsible for of cutting up sword chops the stem, 2 main being responsible for of blade holder breaks the stem, make the straw cut up more completely, the performance of cutting up and the efficiency of cutting up have been promoted.
Accordingly, the second blade 21 includes two second blade portions 211 disposed opposite to each other. The blade holder 2 is two-sided sword promptly, because the straw is irregular motion at the shredding process, increases the contact probability with the blade of blade that the blade can increase the straw to increase the number of times of breaing up, cutting, further make the straw shred more complete, promoted shredding performance and shredding efficiency. And further reduces the number of shredding knives.
More preferably, the distance between the two second blade parts 211 of the second blade 21 is gradually decreased in a direction away from the central line of the main shaft 1, so that the two second blade parts 211 are inclined. Because the straw makes irregular motion in the chopping process, the inclined blade part can cut the straw coming from the front or the side, and the chopping performance and the chopping efficiency are further improved.
More preferably, the first blade 31 includes two first blade portions 311 disposed oppositely. The chopping knife 3 is also a double-faced blade, and similarly, the straw is irregularly moved in the chopping process, so that the contact probability of the straw with the blade part can be increased by the blade part, the cracking and cutting times are increased, the straw is further completely chopped, and the chopping performance and the chopping efficiency are improved. And further reduces the number of shredding knives.
Furthermore, the shredding knife 3 is provided with a first fan blade 31 protruding from the side surface of the shredding knife 3. By way of one embodiment, but not limitation, the extending direction of the fan blade 31 is perpendicular to the side surface of the chopping blade 3, and more specifically, the first fan blade 31 is formed by extending and bending from the edge of one of the first blade portions 311 near the blade seat 2.
The main shaft 1 drives the first fan blades 31 to form whirlwind when rotating at a high speed, so that the stroke and the uniformity of straw chopping and throwing are increased, the blockage and abrasion caused by the return of the chopped straws can be effectively prevented, the whirlwind formed by the first fan blades 31 increases the impact force of the straws in a chopping space, the probability of impact of the straws on the chopping knife 3, particularly the knife holder 2 is increased, and the chopping performance and the chopping efficiency are further improved.
In the present embodiment, the chopper 3 is detachably mounted on the knife holder 2. More specifically, the chopping blade 3 is detachably mounted on the blade holder 2 by bolts. Of course, the chopping knife 3 can also be detachably arranged on the knife holder 2 in a clamping way and the like, so that the replacement and the maintenance are convenient.
As one embodiment, but not limited thereto, the shredding knives 3 are respectively arranged along the axial direction and the circumferential direction of the circumferential side of the main shaft 1 at intervals, wherein two adjacent shredding knives 3 distributed along the circumferential direction are perpendicular to each other and are staggered in the circumferential direction. As one of the preferred embodiments, the chopping blades 3 are provided with 4 rows, each row is distributed in a cross shape, only two chopping blades 3 with 180 degrees are arranged on the same plane, when the straw is chopped, the jamming between the adjacent chopping blades on the same plane can be avoided, and meanwhile, the rotary chopping blades 3 with the staggered structure can enhance the chopping performance.
In order to improve the chopping and throwing efficiency and avoid the blockage of two sides, two ends of the main shaft 1 are provided with mounting baffles 4 extending out along the circumferential direction, and the mounting baffles 4 are provided with anti-blocking cutters 5.
Correspondingly, the anti-blocking cutter 5 is provided with a third blade 51, the third blade 51 comprises two third blades 511 arranged oppositely, and the anti-blocking cutter 5 is provided with a second fan blade 51. The two blades of the third blade 51 can also be used for chopping, and the second blade 51 can supplement and strengthen the cyclone formed by the first blade 31.
Further, the main shaft 1 is cylindrical, and two ends of the main shaft 1 are provided with baffle discs 6 for closing the cylindrical opening of the main shaft 1. The baffle disc 6 can effectively prevent the straw from being involved in the end part of the main shaft 1 during the chopping process to influence the work of other parts.
In order to conveniently install the straw chopping and hobbing cutter device on the combine harvester, mounting shafts 7 axially extend out of two ends of the main shaft 1, and splines 71 capable of increasing transmission effect are arranged on the mounting shafts 7 at one end.
The embodiment also provides a combine harvester, which comprises a harvester body, wherein the harvester body is provided with the straw chopping hob device. The combine harvester applies the straw chopping hob device, and therefore has corresponding beneficial effects.
It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention. Furthermore, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
The foregoing is directed to the preferred embodiment of the present invention, and it is understood that various changes and modifications may be made by one skilled in the art without departing from the spirit of the invention, and it is intended that such changes and modifications be considered as within the scope of the invention.
Claims (15)
1. The utility model provides a hobbing cutter device is cut up to straw, its characterized in that includes main shaft (1), a plurality of blade holder (2) and install shredding knife (3) on blade holder (2) one by one that distribute along main shaft (1) week side, be equipped with first cutting edge (31) on shredding knife (3), be equipped with second cutting edge (21) on blade holder (2).
2. The straw chopping hob device according to claim 1, characterized in, that the second blade edge (21) comprises two second blade parts (211) arranged opposite each other.
3. The straw chopping hob device according to claim 2, characterized in, that the distance between the two second blades (211) of the second blade (21) is gradually reduced towards the direction away from the center line of the main shaft (1) so that the two second blades (211) are inclined.
4. The straw chopping hob device according to claim 1, characterized in, that the first blade edge (31) comprises two first blade parts (311) arranged opposite each other.
5. The straw chopping and hobbing cutter device according to claim 4, characterized in that the chopping cutter (3) is provided with a first fan blade (31) protruding from the side surface of the chopping cutter (3).
6. The straw chopping hob device according to claim 5, characterized in that the first fan blade (31) is formed by extending and bending from the edge of one of the first blade parts (311) near the part of the knife holder (2).
7. The straw chopping hob device according to claim 1, characterized in, that the chopping knife (3) is detachably mounted on the knife holder (2).
8. The straw chopping hob device according to claim 7, characterized in, that the chopping knife (3) is detachably mounted on the knife holder (2) by means of bolts.
9. The straw chopping and hobbing cutter device according to claim 1, characterized in that the chopping cutters (3) are respectively arranged at intervals along the axial direction and the circumferential direction of the circumferential side of the main shaft (1), wherein two adjacent chopping cutters (3) distributed along the circumferential direction are perpendicular to each other and staggered in the circumferential direction.
10. The straw chopping and hobbing cutter device according to claim 1, characterized in that, both ends of the main shaft (1) are provided with mounting baffles (4) extending along the circumferential direction, and the mounting baffles (4) are provided with anti-blocking cutters (5).
11. The straw chopping hob device according to claim 10, characterized in that the anti-blocking cutter (5) is provided with a third blade (51), and the third blade (51) comprises two third blades (511) which are oppositely arranged.
12. The straw chopping and hobbing cutter device according to claim 10 or 11, characterized in that the anti-blocking cutter (5) is provided with a second fan blade (52).
13. The straw chopping and hobbing cutter device according to claim 1, characterized in that the main shaft (1) is cylindrical, and both ends of the main shaft (1) are provided with baffle discs (6) for closing the cylindrical opening of the main shaft (1).
14. The straw chopping and hobbing cutter device according to claim 1, characterized in that the mounting shaft (7) axially protrudes from both ends of the main shaft (1), and the spline (71) is arranged on the mounting shaft (7) at one end.
15. A combine harvester comprising a harvester body, wherein the harvester body is provided with a straw chopping and hobbing cutter device as claimed in any one of claims 1-14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111337560.2A CN114128498B (en) | 2021-11-10 | 2021-11-10 | Straw chopping hob device and combine harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111337560.2A CN114128498B (en) | 2021-11-10 | 2021-11-10 | Straw chopping hob device and combine harvester |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114128498A true CN114128498A (en) | 2022-03-04 |
| CN114128498B CN114128498B (en) | 2023-04-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111337560.2A Active CN114128498B (en) | 2021-11-10 | 2021-11-10 | Straw chopping hob device and combine harvester |
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| CN (1) | CN114128498B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115316053A (en) * | 2022-08-11 | 2022-11-11 | 金华市农业科学研究院(浙江省农业机械研究院) | Spiral zigzag cutter head suitable for cutting water bamboo pier |
| CN116724763A (en) * | 2023-08-10 | 2023-09-12 | 山西农业大学高寒区作物研究所 | Threshing machine for flax |
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| CN200980260Y (en) * | 2006-09-28 | 2007-11-28 | 张尊亮 | Straw returning machine |
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| EP3420804A1 (en) * | 2017-06-28 | 2019-01-02 | Deere & Company | Cutting blade for a straw chopper |
| CN209151589U (en) * | 2018-11-26 | 2019-07-26 | 黑龙江省农业科学院草业研究所 | Blade, grass trimmer for grass trimmer |
| CN111266163A (en) * | 2018-12-05 | 2020-06-12 | 重庆市皓邦工业有限公司 | A rubbing crusher constructs for cystosepiment rubbing crusher |
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| JPH0965754A (en) * | 1995-09-01 | 1997-03-11 | Mitsubishi Agricult Mach Co Ltd | Apparatus for preventing clogging of cutter |
| CN200980260Y (en) * | 2006-09-28 | 2007-11-28 | 张尊亮 | Straw returning machine |
| CN205961703U (en) * | 2016-08-24 | 2017-02-22 | 重庆市农业科学院 | Prevent twining careless rotary cultivator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115316053A (en) * | 2022-08-11 | 2022-11-11 | 金华市农业科学研究院(浙江省农业机械研究院) | Spiral zigzag cutter head suitable for cutting water bamboo pier |
| CN116724763A (en) * | 2023-08-10 | 2023-09-12 | 山西农业大学高寒区作物研究所 | Threshing machine for flax |
| CN116724763B (en) * | 2023-08-10 | 2023-10-24 | 山西农业大学高寒区作物研究所 | Threshing machine for flax |
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| CN114128498B (en) | 2023-04-18 |
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Address after: Room 602-001, 6th Floor, Country Garden Center, No. 1 Country Garden Avenue, Country Garden Community, Beijiao Town, Shunde District, Foshan City, Guangdong Province, 528300 (Residence application, only for office use) Patentee after: Guangdong Haoyun Technology Co.,Ltd. Address before: 528300 room 201-25, East office, No. 11, Junye East Road, Beijiao Industrial Park, Shunjiang community, Beijiao Town, Shunde District, Foshan City, Guangdong Province Patentee before: Guangdong Haoyun Technology Co.,Ltd. |