CN210928655U

CN210928655U - Cutting knife for header of corn harvester for smashing stalks and returning the stalks into fields

Info

Publication number: CN210928655U
Application number: CN201921750273.2U
Authority: CN
Inventors: 马幼驰; 王志远
Original assignee: Hangzhou Qianda Aviation Technology Co ltd
Current assignee: Hangzhou Qianda Aviation Technology Co ltd
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-07-07
Anticipated expiration: 2029-10-18

Abstract

The utility model discloses a harvesting knife for a header of a corn harvester capable of crushing stalks and returning the stalks into the field, which comprises a harvesting knife main body, wherein the harvesting knife main body comprises a knife and a shaft sleeve, the knife is fixedly arranged on the outer circumferential surface of the shaft sleeve, and a knife shaft is embedded in the shaft sleeve; the knife comprises a knife edge and a knife back, and the knife back is fixedly arranged on the back of the knife edge; the axle sleeve middle part is equipped with the shaft hole, and the axle sleeve at shaft hole both ends is equipped with the chamfer. The utility model discloses can utilize the cutting edge to cut maize straw, cooperate the use of feed mechanism, driving lever mechanism to accomplish the function that the stem stalk was smashed, the maize was reaped.

Description

Cutting knife for header of corn harvester for smashing stalks and returning the stalks into fields

[ technical field ] A method for producing a semiconductor device

The utility model relates to the technical field of corn harvesting equipment accessories, in particular to the technical field of a harvesting knife for a harvesting table of a straw smashing and returning corn harvester.

[ background of the invention ]

The corn harvester is an agricultural machine for harvesting corn straws mechanically according to agricultural requirements when corns are ripe or nearly ripe. The corn harvester is a novel agricultural machine which is researched and developed aiming at developing novel energy and reducing the labor intensity of farmers, and is an agricultural machine which is low in price, suitable for popularization of small four wheels in rural areas and capable of harvesting corn straws in a matched mode. It shortens the labor cycle of farmers and frees people from heavy physical labor. The header of the corn harvester is a main body of the harvesting device, is arranged on a harvester trolley and is mainly used for realizing the functions of cutting rods and feeding. The most important mechanism on the header is a harvesting knife mechanism which is used for cutting, and the cutting is mainly realized by the harvesting knife.

[ Utility model ] content

The utility model aims at solving the problem among the prior art, providing a still field corn harvester is received and is used cutting knife in stalk crushing, can utilize the cutting edge to cut corn stalk, cooperation feed mechanism, driving lever mechanism's use to accomplish the function that the stalk was smashed, the maize was reaped.

In order to achieve the purpose, the utility model provides a harvesting knife for a harvesting table of a corn harvester capable of smashing stalks and returning the stalks into the field, which comprises a harvesting knife main body, wherein the harvesting knife main body comprises a knife and a shaft sleeve, the knife is fixedly arranged on the outer circumferential surface of the shaft sleeve, and a knife shaft is embedded in the shaft sleeve; the knife comprises a knife edge and a knife back, and the knife back is fixedly arranged on the back of the knife edge; the axle sleeve middle part is equipped with the shaft hole, and the axle sleeve at shaft hole both ends is equipped with the chamfer.

Preferably, the number of the knives is 3, the knives are uniformly distributed on the outer circumferential surface of the shaft sleeve, and the knives are perpendicular to the outer circumferential surface of the shaft sleeve.

Preferably, the inclination angle of the blade is 30-40 degrees; the thickness of the knife back is 5-12 mm.

Preferably, the shaft sleeve is of a circular ring structure, and the shaft sleeve is in interference fit with the cutter shaft; the height of the shaft sleeve is larger than the thickness of the knife.

Preferably, the shaft hole is a circular through hole, and the cutter shaft is in interference fit in the shaft hole; the chamfer angle is a 45-degree straight chamfer angle.

Preferably, the upper end of the cutter shaft is in interference fit with the inside of the harvesting cutter main body, the cutter shaft is installed on a bearing seat of the header box body through a bearing, and the lower end of the cutter shaft is mechanically connected with the gear train structure.

The utility model has the advantages that: the utility model discloses can utilize the cutting edge to cut maize straw, cooperate the use of feed mechanism, driving lever mechanism to accomplish the function that the stem stalk was smashed, the maize was reaped.

The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.

[ description of the drawings ]

Fig. 1 is a front view of a harvesting knife for a header of a corn harvester with stalks crushing and returning to the field;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;

fig. 3 is a first structural diagram of an embodiment of a harvesting knife for a header of the stalk crushing and returning corn harvester of the utility model;

fig. 4 is a structural diagram of an embodiment of a cutting knife for a header of the stalk crushing and returning corn harvester of the utility model;

fig. 5 is a third embodiment of a cutting knife for a header of the stalk crushing and returning corn harvester of the present invention;

fig. 6 is a structural diagram of an embodiment of a cutting knife for a header of the stalk crushing and returning corn harvester of the utility model;

fig. 7 is a fifth embodiment of the cutting knife for the header of the stalk crushing and returning corn harvester of the utility model.

In the figure: 1-harvesting knife main body, 11-knife, 111-knife edge, 112-knife back, 12-shaft sleeve, 121-shaft hole, 122-chamfer, 2-bearing cover, 3-knife shaft, 4-harvesting table box body, 5-wheel train structure, 6-feeding plate main body, 7-spiral feeding mechanism, 8-harvesting knife mechanism and 9-stirring mechanism.

[ detailed description ] embodiments

Referring to fig. 1-7, the utility model comprises a harvesting knife body 1, the harvesting knife body 1 comprises a knife 11 and a shaft sleeve 12, the knife 11 is fixedly arranged on the outer circumference of the shaft sleeve 12, and a knife shaft 3 is embedded in the shaft sleeve 12; the knife 11 comprises a knife edge 111 and a knife back 112, and the back of the knife edge 111 is fixedly provided with the knife back 112; the middle of the shaft sleeve 12 is provided with a shaft hole 121, and the shaft sleeve 12 at two ends of the shaft hole 121 is provided with a chamfer 122.

Specifically, the number of the knives 11 is 3, the knives 11 are uniformly distributed on the outer circumferential surface of the shaft sleeve 12, and the knives 11 are perpendicular to the outer circumferential surface of the shaft sleeve 12.

Specifically, the inclination angle of the blade 111 is 30-40 degrees; the thickness of the blade back 112 is 5-12 mm.

Specifically, the shaft sleeve 12 is of a circular ring structure, and the shaft sleeve 12 is in interference fit with the cutter shaft 3; the height of the bushing 12 is greater than the thickness of the knife 11.

Specifically, the shaft hole 121 is a circular through hole, and the cutter shaft 3 is in interference fit in the shaft hole 121; the chamfer 122 is a 45 degree straight chamfer.

Specifically, the upper end of the cutter shaft 3 is in interference fit with the inside of the harvesting cutter main body 1, the cutter shaft 3 is mounted on a bearing seat of the header box body 4 through a bearing, and the lower end of the cutter shaft 3 is mechanically connected with the gear train structure 5.

The utility model discloses the working process:

the utility model relates to a cutting knife for a header of a corn harvester with stalks crushing and returning, which is explained by combining with the attached drawing in the working process.

The header of the corn harvester using the harvesting knife comprises a header box body 4, a wheel train structure 5, a feeding plate main body 6, a spiral feeding mechanism 7, a harvesting knife mechanism 8 and a material shifting mechanism 9, wherein the wheel train structure 5 is arranged in the header box body 4, the harvesting knife mechanism 8 is mechanically matched with the upper end of the wheel train structure 5, and the harvesting knife mechanism 8 is arranged at the right upper end of the header box body 4; a feeding plate main body 6 is fixed at the rear end of the header box body 4, a spiral feeding mechanism 7 is arranged right above the feeding plate main body 6, the spiral feeding mechanism 7 is arranged at the rear end of the header box body 4, and the spiral feeding mechanism 7 is mechanically matched with the wheel train structure 5; the bottom of the header box body 4 is mechanically matched with a material shifting mechanism 9. The wheel train structure 5 is externally connected with a motor shaft, so that the device has power. The device is arranged on a corn harvester. The gear train structure 5 moves, so that the material stirring mechanism 9 can be driven to move, and the corn straws are stirred towards the middle of the spiral feeding mechanism 7; the spiral feeding mechanism 7 feeds the straws; the harvesting knife mechanism 8 cuts the straws by using the cutting edge 111 of the harvesting knife body 1 under the power transmission of the gear train structure 5, thereby completing the actions of harvesting and returning the straws to the field; combine other structures such as transmission structure, realize that the maize is reaped. The slide rail fixing seat, the slide rail shaft, the spring and the slide block in the material shifting mechanism 9 are combined for use, so that the automatic elastic adjustment of the chain transmission distance of the material shifting mechanism 9 is realized, and the locking is avoided.

The utility model discloses, can utilize the cutting edge to cut maize straw, cooperate the use of feed mechanism, driving lever mechanism to accomplish the function that the stem stalk was smashed, the maize was reaped.

The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.

Claims

1. The utility model provides a stalk smashes still field corn harvester is cutting knife for header which characterized in that: the harvesting knife comprises a harvesting knife body (1), wherein the harvesting knife body (1) comprises a knife (11) and a shaft sleeve (12), the knife (11) is fixedly arranged on the outer circumferential surface of the shaft sleeve (12), and a knife shaft (3) is embedded in the shaft sleeve (12); the knife (11) comprises a knife edge (111) and a knife back (112), and the knife back (112) is fixedly arranged on the back of the knife edge (111); the middle of the shaft sleeve (12) is provided with a shaft hole (121), and the shaft sleeves (12) at the two ends of the shaft hole (121) are provided with chamfers (122).

2. The harvesting knife for the header of the stalk crushing and returning corn harvester according to claim 1, characterized in that: the number of the knives (11) is 3, the knives (11) are uniformly distributed on the outer circumferential surface of the shaft sleeve (12), and the knives (11) are vertical to the outer circumferential surface of the shaft sleeve (12).

3. The harvesting knife for the header of the stalk crushing and returning corn harvester according to claim 1, characterized in that: the inclination angle of the blade (111) is 30-40 degrees; the thickness of the knife back (112) is 5-12 mm.

4. The harvesting knife for the header of the stalk crushing and returning corn harvester according to claim 1, characterized in that: the shaft sleeve (12) is of a circular structure, and the shaft sleeve (12) is in interference fit with the cutter shaft (3); the height of the shaft sleeve (12) is larger than the thickness of the knife (11).

5. The harvesting knife for the header of the stalk crushing and returning corn harvester according to claim 1, characterized in that: the shaft hole (121) is a circular through hole, and the cutter shaft (3) is in interference fit in the shaft hole (121); the chamfer (122) is a 45-degree straight chamfer.

6. The harvesting knife for the header of the stalk crushing and returning corn harvester according to claim 1, characterized in that: the upper end of the cutter shaft (3) is in interference fit with the inside of the harvesting cutter main body (1), the cutter shaft (3) is installed on a bearing seat of the header box body (4) through a bearing, and the lower end of the cutter shaft (3) is mechanically connected with the gear train structure (5).