CN115053702A

CN115053702A - Combine harvester threshing device with low loss rate

Info

Publication number: CN115053702A
Application number: CN202210829839.0A
Authority: CN
Inventors: 吴罗发; 董献华; 王康军; 陈立才; 舒时富
Original assignee: Agricultural Engineering Research Institute Jiangxi Academy Of Agricultural Sciences
Current assignee: Agricultural Engineering Research Institute Jiangxi Academy Of Agricultural Sciences
Priority date: 2022-07-15
Filing date: 2022-07-15
Publication date: 2022-09-16
Also published as: NL2033167B1

Abstract

The invention belongs to the technical field of threshing of harvesters, in particular to a threshing device of a combine harvester with low loss rate, which comprises a box body, wherein a blocking plate is arranged at the top of the box body, a fixed block is arranged in the middle of the top end of the blocking plate, and the fixed block penetrates through the middle of the blocking plate, when threshing is carried out by the threshing device of the combine harvester, corn kernels are completely threshed by matching and using spherical teeth, a feeding port, a sliding groove, a roll shaft and a screen mesh, so that secondary threshing is avoided, the working quality is improved, under the matching and using of the buffering plate, the fixed plate and a second spring, the loss rate is reduced in the threshing process, under the matching and using of two motors, the screen mesh and the roll shaft are reversely rotated, so that the production efficiency is improved, under the action of an electric telescopic rod, the threshed corn kernels are pushed out of the box body, so that the threshed corn kernels can be collected, the waste of resources is avoided by reusing the waste liquid.

Description

Combine harvester threshing device with low loss rate

Technical Field

The invention belongs to the technical field of threshing of harvesters, and particularly relates to a threshing device of a combine harvester with low loss rate.

Background

The harvester is an integrated machine for harvesting crops. The harvesting and threshing are completed at one time, the grains are collected in a storage bin, then the grains are conveyed to a transport vehicle through a conveying belt, the grains can also be harvested manually, the straws of the crops such as rice, wheat and the like are laid in the field, and then the grains are picked up and threshed by a grain harvesting machine. A crop harvesting machine for harvesting grain crops such as rice and wheat and straws. Including harvesters, windrowers, reapers, grain combine harvesters, grain threshing machines, and the like. Grain harvesting machines have been developed based on various harvesting and threshing tools.

At present, when a traditional threshing device of a combine harvester is used for threshing, some corn kernels cannot be completely threshed, secondary threshing is needed, the loss rate is high in the threshing process, the yield of grains is reduced, meanwhile, the efficiency is low, the production speed is influenced, and the threshed corn cobs cannot be collected and reused, so that resources are wasted.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides a threshing device of a combine harvester with low loss rate, which has the characteristics of completely threshing corn kernels, reducing the loss rate, improving the efficiency and collecting the threshed corn cobs.

In order to achieve the purpose, the invention provides the following technical scheme: a threshing device of a combine harvester with low loss rate comprises a box body, wherein a blocking plate is arranged at the top of the box body, a fixed block is arranged in the middle of the top end of the blocking plate and penetrates through the middle of the blocking plate, a first motor is fixedly connected to the top end of the fixed block, a material blocking plate is fixedly connected to the bottom end of the fixed block, a screen is fixedly connected to the bottom end of the material blocking plate, a first spring is fixedly connected to the outer wall of the screen and the inner wall of the box body, a plurality of meshes are arranged on the screen, a fixed plate is arranged at the bottom of the inner wall of the box body, a plurality of second springs are fixedly connected to the top end of the fixed plate, a buffer plate is fixedly connected to the top end of each second spring, an electric telescopic rod is arranged at the top end of the buffer plate, one end of each electric telescopic rod is fixedly connected to one side, far away from a discharge port, of the inner wall of the box body, a plurality of support plates are arranged in the middle of the inner wall of the box body, a plurality of the one end fixedly connected with bearing plate of box is kept away from to the backup pad, the middle part of bearing plate runs through there is the fixed column, the bottom fixed connection of fixed column is at the drive end of second motor, the bottom fixedly connected with protection casing of second motor, the top fixed connection of protection casing is in the bottom of bearing plate, the top fixedly connected with roller of fixed column, a plurality of spherical tooth of outside fixedly connected with of roller.

According to the preferred technical scheme of the threshing device of the combine harvester with the low loss rate, the groove is formed in one side of the box body, the inner portion of the groove is connected with the outer portion of the bolt in a screwing mode, the upper portion of one side, close to the sliding groove, of the box body is provided with the feeding port, the feeding port penetrates through the box body and the screen, one end of the feeding port is fixedly connected to the output end of the sliding groove, and the other end of the feeding port is provided with the inner portion of the box body.

According to the preferred technical scheme of the threshing device of the low-loss rate combine harvester, a sliding groove is fixedly connected above the outer wall of the box body, the bottom end of the buffer plate and the top end of the fixing plate are both fixedly connected with a plurality of second springs, and the second springs are uniformly distributed on the fixing plate and the buffer plate in a circumferential mode.

According to the preferred technical scheme of the threshing device of the low-loss rate combine harvester, the discharge hole is formed in the middle of the other side of the box body, the discharge hole penetrates through one side of the box body, the electric telescopic rod and the discharge hole are in the same level, and when the electric telescopic rod is fully extended, the electric telescopic rod can penetrate through the discharge hole and extend out of the box body.

As a preferred technical scheme of the threshing device of the combine harvester with the low loss rate, the outside of the fixed block is fixedly connected to the middle of the striker plate, the roller shaft is arranged below the fixed block, and the roller shaft is arranged at the bottom end of the striker plate.

According to the preferred technical scheme of the threshing device of the combine harvester with the low loss rate, the outer part of the fixing plate is fixedly connected to the inner wall of the box body, and the outer part of the buffer plate slides on the inner wall of the box body.

As the preferred technical scheme of the threshing device of the combine harvester with low loss rate, one end of a plurality of supporting plates is fixedly connected to the inner wall of the box body, and the supporting plates are uniformly distributed on the outer part of the bearing plate in a circumferential mode.

Compared with the prior art, the invention has the beneficial effects that: when the threshing device of the harvester is used for threshing, corn kernels are completely threshed under the matching use of the spherical teeth, the feeding port, the sliding groove, the roll shaft and the screen mesh, so that secondary threshing is avoided, the working quality is improved, the loss rate is reduced in the threshing process under the matching use of the buffer plate, the fixing plate and the second spring, the screen mesh and the roll shaft rotate reversely under the matching use of the two motors, the production efficiency is improved, the threshed corn cobs are pushed out of the box body under the action of the electric telescopic rod, the threshed corn cobs can be collected and reused, and resource waste is avoided.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic view of the structure of the chute of the present invention;

FIG. 3 is a cross-sectional view of the case of the present invention;

FIG. 4 is a schematic view of the structure of the loading port of the present invention;

FIG. 5 is an exploded view of the present invention as a whole;

in the figure: 1. a box body; 2. a fixed block; 3. a first motor; 4. blocking plates; 5. a chute; 6. a bolt; 7. a discharge port; 8. a striker plate; 9. a first spring; 10. spherical teeth; 11. a support plate; 12. a second motor; 13. a protective cover; 14. an electric telescopic rod; 15. a buffer plate; 16. a fixing plate; 17. a second spring; 18. a bearing plate; 19. a mesh; 20. fixing a column; 21. a roll shaft; 22. a feeding port; 23. and (4) screening.

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.

Examples

Referring to fig. 1-5, the present invention provides the following technical solutions: a combine harvester threshing device with low loss rate comprises a box body 1, a blocking plate 4 is arranged at the top of the box body 1, a fixed block 2 is arranged in the middle of the top end of the blocking plate 4, the fixed block 2 penetrates through the middle of the blocking plate 4, a first motor 3 is fixedly connected to the top end of the fixed block 2, a material blocking plate 8 is fixedly connected to the bottom end of the fixed block 2, a screen 23 is fixedly connected to the bottom end of the material blocking plate 8, a first spring 9 is fixedly connected to the outer wall of the screen 23 and the inner wall of the box body 1, a plurality of meshes 19 are arranged on the screen 23, a fixed plate 16 is arranged at the bottom of the inner wall of the box body 1, a plurality of second springs 17 are fixedly connected to the top end of the fixed plate 16, a buffer plate 15 is fixedly connected to the top ends of the plurality of second springs 17, an electric telescopic rod 14 is arranged at the top end of the buffer plate 15, one end of the electric telescopic rod 14 is fixedly connected to one side, far away from a discharge port 7, of the inner wall of the box body 1, a plurality of support plates 11 are arranged in the middle of the inner wall of the box body 1, in the embodiment, when the threshing device of the harvester is used for threshing, the corn kernels are completely threshed by matching the spherical teeth 10, the feeding port 22, the sliding chute 5, the roller shaft 21 and the screen 23, so that secondary threshing is avoided, the working quality is improved, the loss rate is reduced in the threshing process under the matching use of the buffer plate 15, the fixed plate 16 and the second spring 17, and under the matching use of the first motor 3 and the second motor 12, first motor 3 clockwise rotation, second motor 12 anticlockwise rotation to make screen cloth 23 and roller 21 reverse rotation, thereby improve production efficiency, under electric telescopic handle 14's effect, make the corn-on-cob after threshing release box 1, make the corn-on-cob after threshing, can collect, make its reuse, avoided the wasting of resources.

Specifically, one side of box 1 is provided with slottedly, and the inside in groove closes with the outside of bolt 6 soon and is connected, one side top that box 1 is close to spout 5 is provided with material loading mouth 22, material loading mouth 22 runs through box 1 respectively, screen cloth 23, the one end fixed connection of material loading mouth 22 is at the output of spout 5, the other end of material loading mouth 22 is provided with the inside of box 1, in this embodiment, be favorable to threshing at the harvester in-process, avoid not threshing and treat that the corn-on-cob who breaks away from drops outside the device, thereby reduce the loss rate of the device.

Specifically, outer wall top fixedly connected with spout 5 of box 1, a plurality of second springs 17 of the equal fixedly connected with in top of the bottom of buffer board 15 and fixed plate 16, a plurality of second springs 17 are circumference evenly distributed on fixed plate 16 and buffer board 15, in this embodiment, make the corn-on-cob of threshing drop on buffer board 15, thereby be less than the kernel of corn that glues on the corn-on-cob, it can only make the downthehole of kernel of corn whereabouts to drop being provided with, the effect that makes the kernel of corn thresh is showing more, reduce the device's loss rate simultaneously.

Specifically, the opposite side middle part of box 1 is provided with discharge gate 7, and discharge gate 7 runs through one side of box 1, and electric telescopic handle 14 and discharge gate 7 are in same level, and when electric telescopic handle 14 extended completely, can run through discharge gate 7, stretch out the inside of box 1, in this embodiment, be favorable to making the clean corn-on-cob of threshing, release the inside of box 1 to the waste of resource has been avoided in operating personnel's of being convenient for collection.

Specifically, the outside fixed connection of fixed block 2 is provided with roller 21 in the middle part of striker plate 8, and the below of fixed block 2 is provided with roller 21, and the bottom of striker plate 8 is provided with roller 21, and in this embodiment, the fixed block 2 of being convenient for drives the rotation of roller 21, is favorable to improving the device's work efficiency.

Specifically, the fixed plate 16 is fixedly connected to the inner wall of the box body 1, and the buffer plate 15 slides on the inner wall of the box body 1, so that the threshed corn cobs are damaged, and the corn kernels can fall off completely.

Specifically, the one end fixed connection of a plurality of backup pads 11 is on the inner wall of box 1, and a plurality of backup pads 11 are circumference evenly distributed in the outside of bearing plate 18, in this embodiment, are favorable to making second motor 12 at the in-process of operation, and are more stable.

The working principle and the using process of the invention are as follows: the invention relates to a threshing device of a low-loss rate combined harvester, which is characterized in that when in use, after corn cobs are harvested by the combined harvester and then peeled off the outer skin, the corn cobs to be threshed enter a feeding hole 22 through a chute 5, meanwhile, under the driving of a first motor 3 and a second motor 12, the corn cobs roll inside a screen 23 and a roller 21 in a box body 1, corn kernels can be threshed under the matching use of spherical teeth 10 and the screen 23 outside the roller 21, under the action of a first spring 9, the matching of the spherical teeth 10 and the screen 23 can be more matched, so that the threshed corn cobs can fall on a buffer plate 15, and under the action of a second spring 17, the fallen corn kernels and the corn cobs cannot be damaged, and the fallen corn kernels can fall on the bottom of the box body 1 along with holes on a fixing plate, and the corn cobs can remain on the top end of the buffer plate 15, meanwhile, the electric telescopic rod 14 is adjusted to push the corn cobs out of the box body 1, so that the corn cobs can be collected by operators conveniently.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships 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 referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

In the present invention, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; they may be mechanically coupled, directly coupled, or indirectly coupled through intervening agents, both internally and/or in any other manner known to those skilled in the art. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

It is noted that in the present disclosure, unless otherwise explicitly specified or limited, a first feature "on" or "under" a second feature may be directly contacted with the first and second features, or indirectly contacted with the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a combine thresher of low loss rate, includes box (1), its characterized in that: the top of the box body (1) is provided with a blocking plate (4), the top middle part of the blocking plate (4) is provided with a fixed block (2), the fixed block (2) penetrates through the middle part of the blocking plate (4), the top end of the fixed block (2) is fixedly connected with a first motor (3), the bottom end of the fixed block (2) is fixedly connected with a baffle plate (8), the bottom end of the baffle plate (8) is fixedly connected with a screen (23), the outer wall of the screen (23) and the inner wall of the box body (1) are fixedly connected with a first spring (9), the screen (23) is provided with a plurality of meshes (19), the bottom of the inner wall of the box body (1) is provided with a fixed plate (16), the top end of the fixed plate (16) is fixedly connected with a plurality of second springs (17), the top end of the plurality of the second springs (17) is fixedly connected with a buffer plate (15), the top end of the buffer plate (15) is provided with an electric telescopic rod (14), the one end fixed connection of electric telescopic handle (14) keeps away from one side of discharge gate (7) at the inner wall of box (1), the inner wall middle part of box (1) is provided with a plurality of backup pads (11), and is a plurality of one end fixedly connected with bearing plate (18) of box (1) are kept away from in backup pad (11), fixed column (20) have been run through at the middle part of bearing plate (18), the bottom fixed connection of fixed column (20) is at the drive end of second motor (12), the bottom fixedly connected with protection casing (13) of second motor (12), the top fixed connection of protection casing (13) is in the bottom of bearing plate (18), the top fixedly connected with roller (21) of fixed column (20), a plurality of spherical tooth of fixedly connected with (10) of roller (21).

2. A low loss rate combine harvester thresher according to claim 1, wherein: one side of box (1) is provided with the groove, and the inside in groove closes with the outside of bolt (6) soon and is connected, box (1) is close to one side top of spout (5) and is provided with material loading mouth (22), material loading mouth (22) run through box (1), screen cloth (23) respectively, the one end fixed connection of material loading mouth (22) is at the output of spout (5), the other end of material loading mouth (22) is provided with the inside of box (1).

3. A low loss rate combine harvester threshing apparatus according to claim 2, wherein: outer wall top fixedly connected with spout (5) of box (1), the bottom of buffer board (15) and the equal fixedly connected with a plurality of second springs (17) in top of fixed plate (16), it is a plurality of second spring (17) are circumference evenly distributed on fixed plate (16) and buffer board (15).

4. A low loss rate combine harvester thresher according to claim 3, wherein: the utility model discloses a box, including box (1), electric telescopic handle (14), discharge gate (7), electric telescopic handle (14) and discharge gate (7), the opposite side middle part of box (1) is provided with discharge gate (7), one side of box (1) is run through in discharge gate (7), when electric telescopic handle (14) are fully extended, can run through discharge gate (7), stretches out the inside of box (1).

5. A low loss rate combine harvester thresher according to claim 4, wherein: the outside fixed connection of fixed block (2) is in the middle part of striker plate (8), the below of fixed block (2) is provided with roller (21), the bottom of striker plate (8) is provided with roller (21).

6. A low loss rate combine harvester thresher according to claim 5, wherein: the outer part of the fixing plate (16) is fixedly connected to the inner wall of the box body (1), and the outer part of the buffer plate (15) slides on the inner wall of the box body (1).

7. A low loss rate combine harvester threshing apparatus according to claim 6, wherein: a plurality of one end fixed connection of backup pad (11) is on the inner wall of box (1), and is a plurality of backup pad (11) are circumference evenly distributed in the outside of bearing plate (18).