CN217986032U - Rotary cutting knife mechanism of coarse cereal cutting table and cutting table - Google Patents
Rotary cutting knife mechanism of coarse cereal cutting table and cutting table Download PDFInfo
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- CN217986032U CN217986032U CN202222508950.8U CN202222508950U CN217986032U CN 217986032 U CN217986032 U CN 217986032U CN 202222508950 U CN202222508950 U CN 202222508950U CN 217986032 U CN217986032 U CN 217986032U
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Abstract
The utility model provides a coarse cereal cutting table rotary cutting knife mechanism, which belongs to the technical field of agricultural machinery equipment and comprises a knife disc and a plurality of knife heads, wherein the knife disc is driven to rotate by a power shaft; the cutter heads are distributed at the edge of the cutter head and extend out of the edge of the cutter head, and the side parts of the cutter heads are provided with cutting edges for cutting crop stalks entering the cutting range of the edge of the cutter head when the cutter head rotates. The utility model discloses a blade disc and a plurality of cutting knife of establishing at the blade disc edge constitute the disc, the rotatory crop stem stalk that drives the blade head cutting entering blade disc edge cutting scope through the blade disc, the efficiency of cutting can be adjusted through the quantity of blade head and the rotational speed of blade disc, cutting effect and efficiency not only can be guaranteed, but also the independent drive operation, only cut to the scope of a set of standing grain chain of dialling, can satisfy the design needs of modularization header, and can be suitable for the sorghum, maize, millet, rape, reaping of crops such as wheat.
Description
Technical Field
The utility model belongs to the technical field of agricultural machinery equipment, more specifically say, relate to a coarse cereals header rotary cutter mechanism and header.
Background
A harvester is a common agricultural equipment. The harvester is generally composed of a divider, a stalk pulling device, a header, a cutter, a conveying device, a transmission system, a suspension device and the like, and the specific form of the harvester is different according to different purposes, such as harvesting wheat, corn, sorghum and the like.
At present, a cutter of a coarse cereal harvester mainly adopts a reciprocating cutter which cuts stalks of crops such as corn, sorghum and the like by using a principle similar to a hairclipper. However, the reciprocating cutter is integrally formed, the length of the reciprocating cutter is the same as that of the header, the overall structure is complex, faults are easy to occur, and the large-scale cutter is difficult. The existing harvester header is changed into a modular header divided into a plurality of sections, but the reciprocating cutter is difficult to meet the use requirement of the modular header.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cereal header rotary cutter mechanism and header to solve the above-mentioned technical problem who exists among the prior art.
In order to achieve the purpose, the utility model adopts the technical proposal that: the rotary cutting knife mechanism of the coarse cereal cutting table comprises a knife disc and a plurality of knife heads, wherein the knife disc is driven to rotate by a power shaft; the cutter heads are distributed at the edge of the cutter head and extend out of the edge of the cutter head, and the side parts of the cutter heads are provided with cutting edges for cutting crop stalks entering the cutting range of the edge of the cutter head when the cutter head rotates.
In a possible implementation manner, cutting edges are arranged on two sides of the cutter head, and the end part of the cutter head extending out of the cutter head is of a trapezoidal structure or a triangular structure; the cutting edge is a straight cutting edge, a cutting edge with a concave middle part or a cutting edge with a convex middle part.
In a possible realization mode, the cutting edge is obliquely arranged, and the included angle between the cutting edge and the connecting line of the rotating center of the cutter head and the center of the cutter head is 10-60 degrees.
In a possible realization, the cutterhead is coaxially connected to the driving sprocket of the reel chain.
In one possible implementation mode, the cutter head is provided with an avoiding hole; the cutter head is fixed on the cutter head through a fastener; the fastener comprises two bolts or rivets which are arranged on the cutter head in parallel.
In a possible implementation mode, the rotary cutting knife mechanism of the coarse cereal header further comprises a blade protector, the blade protector is fixed on the header of the harvester and located on one side of the cutter head, a blade passing groove used for enabling the cutter head to extend to the end part outside the cutter head to pass through is formed in the blade protector, the blade passing groove at least covers the front end and the middle part of the cutting edge, and a fixed knife matched with the cutting edge is arranged on the blade passing groove.
In one possible implementation mode, one side of the blade protector used for blocking the plant stalks forms an included angle with the reel chain of the harvester; when the blade enters the blade passing groove, the blade forms an included angle with one side of the blade protector used for blocking the plant stalks.
In a possible implementation mode, the rotary cutting knife mechanism of the coarse cereal header further comprises a knife protecting plate, wherein the knife protecting plate is arranged on one side of the knife disc and is positioned below the knife head and used for scraping impurities adhered to the knife head.
In a possible implementation manner, the knife protection plate comprises a knife cleaning part and a knife protection part, the knife cleaning part is located below the knife head and used for scraping impurities adhered to the knife head, and the knife protection part is located behind the knife cleaning part and has an outer diameter larger than that of a cutting area of the knife head.
In a possible implementation mode, the cutter heads are fixed on the upper surface of the cutter head, one side, facing the cutter head, of the cutter protection plate is provided with an arc-shaped edge matched with the cutter head, and the upper surface of the cutter protection plate is flush with the upper surface of the cutter head.
The utility model provides a coarse cereals header rotary cutter mechanism's beneficial effect lies in: compared with the prior art, the utility model discloses a cutter disc and a plurality of tool bits of establishing at the cutter disc edge constitute the cutting knife of disc shape, and the rotatory crop stem stalk that drives the cutter head and get into the cutting scope of cutter disc edge that drives through the cutter disc, and the efficiency of cutting can be adjusted through the quantity of tool bit and the rotational speed of cutter disc, not only can guarantee cutting effect and efficiency, but also can the individual drive operation, only cuts to the scope of a set of standing grain chain of dialling, can satisfy the design needs of modularization header; the rotary cutting knife mechanism simplifies a complex transmission mechanism of the reciprocating cutting knife of the traditional header, can reduce the failure rate, and better conforms to the large-scale development trend of the header of the harvester. The utility model discloses can be suitable for the reaping of crops such as sorghum, maize, millet, rape, wheat.
In order to achieve the above object, the utility model adopts the following technical scheme: the header comprises the coarse cereal header rotary cutting knife mechanism.
The utility model provides a beneficial effect of header lies in: compared with the prior art, the utility model discloses a set up foretell cereal header rotary cutter mechanism, can drive the crop stem stalk that the cutter head cutting got into cutter head edge cutting scope through the rotation of cutter head, the efficiency of cutting can be adjusted through the quantity of cutter head and the rotational speed of cutter head, not only can guarantee cutting effect and efficiency, but also can the independent drive operation, only cuts to the scope of a set of standing grain chain of dialling, can satisfy the design needs of modularization header.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.
Fig. 1 is a schematic structural view of a rotary cutting knife mechanism of a coarse cereal cutting table provided by an embodiment of the present invention;
fig. 2 is a schematic top view structure diagram of a coarse cereal header rotary cutting knife mechanism provided in the embodiment of the present invention;
fig. 3 is a schematic top view of a header according to an embodiment of the present invention;
fig. 4 is the embodiment of the utility model provides a coarse cereals header rotary cutter mechanism's protect the structure sketch map at sword ware position.
Wherein the reference numerals in the figures are as follows:
10. a cutter head; 11. avoiding holes;
20. a cutter head; 21. a blade; 22. a bolt;
30. a blade guard; 31. a blade passing groove; 32. fixing a cutter;
40. a knife protecting plate; 41. a cutter cleaning part; 42. a blade protecting part;
50. driving the sprocket.
Detailed Description
In order to make the technical problem, technical solution and beneficial effects to be solved by the present invention more clearly understood, the following description is made in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
It should be further noted that the drawings and embodiments of the present invention mainly describe the concept of the present invention, and on the basis of the concept, the specific forms and arrangements of some connection relationships, position relationships, power mechanisms, power supply systems, hydraulic systems, control systems, etc. may not be completely described, but those skilled in the art can implement the specific forms and arrangements in a well-known manner on the premise that those skilled in the art understand the concept of the present invention.
When an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
The terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
In the description of the present invention, "a plurality" means two or more, and "several" means one or more unless specifically limited otherwise.
It is right now the utility model provides a coarse cereals header rotary cutter mechanism and header explain.
Referring to fig. 1 and 2 together, the rotary cutting knife mechanism for a coarse cereal cutting table according to a first embodiment of the present invention includes a knife disc 10 and a plurality of knife heads 20, wherein the knife disc 10 is driven by a power shaft to rotate; the cutter heads 20 are distributed at the edge of the cutter head 10 and extend out of the edge of the cutter head 10, and the side parts of the cutter heads 20 are provided with cutting edges 21 for cutting crop stalks entering the cutting range of the edge of the cutter head 10 when the cutter head 10 rotates.
Compared with the prior art, the rotary cutting knife mechanism for the coarse cereal header comprises a disc-shaped cutting knife which is formed by a cutter disc 10 and a plurality of cutter heads 20 arranged at the edge of the cutter disc 10, the cutter heads 20 are driven by the rotation of the cutter disc 10 to cut crop stalks entering the cutting range of the edge of the cutter disc 10, the cutting efficiency can be adjusted by the number of the cutter heads 20 and the rotating speed of the cutter disc 10, the cutting effect and efficiency can be ensured, the operation can be independently transmitted, the cutting can be carried out only in the range of a group of reel chains, and the design requirement of the modular header can be met; the rotary cutting knife mechanism simplifies a complex transmission mechanism of the reciprocating cutting knife of the traditional header, can reduce the failure rate, and better conforms to the large-scale development trend of the header of the harvester.
Referring to fig. 1 to fig. 3, a first embodiment of the present invention is as follows:
both sides of the cutter head 20 are provided with cutting edges 21, and the end part of the cutter head 20 extending out of the cutter head 10 is in a trapezoidal structure or a triangular structure; the blade 21 is a straight blade, a blade with a concave middle part or a blade with a convex middle part.
The cutting edge 21 is obliquely arranged, and the included angle between the cutting edge 21 and the connecting line of the rotating center of the cutter head 10 and the center of the cutter head 20 is 10-60 degrees.
The cutter head 10 is coaxially connected with a driving sprocket 50 of the reel chain so as to save space and make the structure more compact, and the cutter can synchronously act with the reel chain so as to facilitate the cutting of plant stalks.
The cutter head 10 is provided with a relief hole 11 so that the screw and other parts on the component at the lower part of the cutter head 10 can be tightly and conveniently adjusted through the relief hole 11 without disassembling the cutter head 10.
The cutter head 20 is fixed on the cutter head 10 through a fastener; the fastener includes two bolts 22 or rivets juxtaposed on the bit 20 to ensure balanced forces and to prevent rotation and deflection of the bit 20 during operation.
Referring to fig. 3 and 4, the present invention provides a first embodiment, which is as follows:
the coarse cereal cutting table rotary cutting knife mechanism further comprises a knife protector 30, the knife protector 30 is fixed on the cutting table of the harvester and located on one side of the cutter head 10, a knife passing groove 31 used for enabling the end portion, extending out of the cutter head 10, of the cutter head 20 to pass through is arranged on the knife protector 30, the knife passing groove 31 at least covers the front end and the middle portion of the knife edge 21, and a fixed knife 32 matched with the knife edge 21 is arranged on the knife passing groove 31. The cutter head 20 cooperates with the stationary knife 32 to shear a crop stalk and prevent damage to the cutter head or blade caused by the cutter head 20 deflecting up and down.
The blade protector 30 is used for blocking one side of the plant stalks and forming an included angle with the reel chain of the harvester; when the cutting edge 21 enters the cutting edge passing groove 31, an included angle is formed between the cutting edge 21 and one side of the cutting edge protector 30 for blocking plant stalks, so that a part of the cutting edge 21 firstly enters the cutting edge passing groove 31 to cut the plant stalks and the cutting edge 21 is prevented from being stressed and dislocated to hit the cutting edge protector 30 in the process of cutting the plant stalks.
The coarse cereal header rotary cutting knife mechanism further comprises a knife protecting plate 40, wherein the knife protecting plate 40 is arranged on one side of the knife disc 10 and is positioned below the knife head 20 and used for scraping impurities adhered to the knife head 20.
The knife guard plate 40 can scrape impurities adhered to the cutter head 20 when the cutter head 20 passes through, and the knife guard plate 40 is fixed on the header through fasteners such as bolts and occupies a space beside the cutter head 10 and can prevent the impurities from accumulating beside the cutter head 10.
The knife protection plate 40 comprises a knife cleaning part 41 and a knife protection part 42, the knife cleaning part 41 is located below the knife head 20 and is used for scraping impurities adhered to the knife head 20, and the knife protection part 42 is located behind the knife cleaning part and has an outer diameter larger than that of a cutting area of the knife head 20 so as to prevent the knife head 20 from whirling to cut crop seeds behind after installation.
The cutter heads 20 are all fixed on the upper surface of the cutter head 10, an arc-shaped edge matched with the cutter head 10 is arranged on one side, facing the cutter head 10, of the cutter protection plate 40, and the upper surface of the cutter protection plate 40 is flush with the upper surface of the cutter head 10. There is a slight clearance between the guard plate 40 and the cutter head 10 and cutter head 20 to avoid direct friction. The knife protecting part 42 and the knife cleaning part 41 can be of a separate structure or an integrated plate structure.
Referring to fig. 3, a cutting table according to a second embodiment of the present invention includes the foregoing minor cereal cutting table rotary cutter mechanism.
Compared with the prior art, the header that this embodiment provided, through setting up foretell cereal header shear knife mechanism, can drive the crop stem stalk that the cutter head cutting got into cutter head edge cutting scope through the rotation of cutter head, the efficiency of cutting can be adjusted through the quantity of cutter head and the rotational speed of cutter head, not only can guarantee cutting effect and efficiency, but also can the independent transmission operation, only cuts to the scope of a set of standing grain chain, can satisfy the design needs of modularization header.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a cereal header rotary cutter mechanism which characterized in that includes:
the cutter head (10) is driven to rotate by a power shaft;
a plurality of tool bits (20), the distribution sets up blade disc (10) edge, and stretches out blade disc (10) edge, the lateral part of tool bit (20) is equipped with cutting edge (21), is used for cutting when blade disc (10) is rotatory gets into the crop stalk of blade disc (10) edge cutting scope.
2. The coarse cereal header rotary cutting knife mechanism according to claim 1, wherein the cutting edges (21) are arranged on both sides of the knife head (20), and the end part of the knife head (20) extending out of the knife disc (10) is in a trapezoidal structure or a triangular structure; the cutting edge (21) is a straight cutting edge, a cutting edge with a concave middle part or a cutting edge with a convex middle part.
3. The coarse cereal header shear cutter mechanism of claim 1, characterized in that: the cutting edge (21) is obliquely arranged, and an included angle formed by the cutting edge and a connecting line of the rotating center of the cutter head (10) and the center of the cutter head (20) is 10-60 degrees.
4. The coarse cereal header rotary cutter mechanism of claim 1, wherein: the cutter head (10) is coaxially connected with a driving chain wheel (50) of the reel chain.
5. The coarse cereal header rotary cutter mechanism of claim 1, wherein: the cutter head (10) is provided with avoidance holes (11); the cutter head (20) is fixed on the cutter head (10) through a fastener; the fastener comprises two bolts (22) or rivets which are arranged on the cutter head (20) in parallel.
6. A coarse cereal header shear knife mechanism according to claim 1 or 3, wherein: the coarse cereal header shear knife mechanism further comprises a blade protector (30), the blade protector (30) is fixed on the harvester header and is located on one side of the cutter head (10), a blade groove (31) is formed in the blade protector (30), the cutter head (20) extends to the end portion outside the cutter head (10) and passes through, the blade groove (31) at least covers the front end and the middle portion of the cutting edge (21), and a fixed knife (32) matched with the cutting edge (21) is formed in the blade groove (31).
7. The coarse cereal header rotary cutter mechanism of claim 6, wherein: the blade protector (30) is used for blocking one side of the plant stalks and forming an included angle with a reel chain of the harvester; the cutting edge (21) forms an included angle with one side of the blade protector (30) used for blocking plant stalks when entering the blade passing groove (31).
8. The coarse cereal header shear cutter mechanism of claim 1, characterized in that: coarse cereals header shear knife mechanism still includes protects cutting board (40), it establishes to protect cutting board (40) the one side of blade disc (10), and is located the below of tool bit (20) for strike off the impurity of adhesion on tool bit (20).
9. The coarse cereal header rotary cutter mechanism of claim 8, wherein: the cutter protecting plate (40) comprises a cutter cleaning part and a cutter protecting part, the cutter cleaning part is positioned below the cutter head (20) and is used for scraping impurities adhered to the cutter head (20), and the cutter protecting part is positioned behind the cutter cleaning part and has an outer diameter larger than that of a cutting area of the cutter head (20); tool bit (20) are all fixed on the upper surface of blade disc (10), protect cutting board (40) orientation one side of blade disc (10) be equipped with blade disc (10) complex arc limit, protect the upper surface of cutting board (40) with the upper surface parallel and level of blade disc (10).
10. A header, its characterized in that: a coarse cereal header rotary cutter mechanism as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222508950.8U CN217986032U (en) | 2022-09-21 | 2022-09-21 | Rotary cutting knife mechanism of coarse cereal cutting table and cutting table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222508950.8U CN217986032U (en) | 2022-09-21 | 2022-09-21 | Rotary cutting knife mechanism of coarse cereal cutting table and cutting table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217986032U true CN217986032U (en) | 2022-12-09 |
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ID=84290773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222508950.8U Active CN217986032U (en) | 2022-09-21 | 2022-09-21 | Rotary cutting knife mechanism of coarse cereal cutting table and cutting table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217986032U (en) |
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2022
- 2022-09-21 CN CN202222508950.8U patent/CN217986032U/en active Active
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