CN213427046U

CN213427046U - Seed threshing device for corn harvester

Info

Publication number: CN213427046U
Application number: CN202021338589.3U
Authority: CN
Inventors: 熊开轩; 顾宗凯; 常翠彩; 李秀梅; 沈涛
Original assignee: Deutz Fahr Machinery Co ltd
Current assignee: Deutz Fahr Machinery Co ltd
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-06-15
Anticipated expiration: 2030-07-09

Abstract

The utility model discloses a seed threshing device used on a corn harvester, relating to the technical field of agricultural technology devices. Comprises a threshing structure and a threshing bracket, wherein the threshing mechanism is fixedly arranged at the upper end of the threshing bracket, three threshing bins are sequentially arranged in the threshing mechanism according to a certain angle, a threshing shaft is respectively arranged in each threshing bin, one end of each of a first threshing shaft and a second threshing shaft is provided with a helical blade or a shifting plate, the rest parts of the threshing shafts are uniformly provided with columnar threshing teeth according to a certain angle and distance, a corncob crushing and returning device after threshing is also arranged at the corncob outlet of the third threshing bin, corncob ears are put into the threshing bin from the corncob inlet by adopting the threshing bin, after the corn cobs enter the threshing bin, the corn cobs are pushed by the helical blades through the threshing shaft in the threshing bin, threshing is carried out under the rubbing of the threshing teeth, the rubbing linear velocity is low, the impact force is small, the crushing loss is less, the threshing efficiency is high, the yield of crops is increased, and the waste of corn grains is avoided.

Description

Seed threshing device for corn harvester

Technical Field

The utility model relates to the technical field of agriculture, in particular to a seed threshing device used on a corn harvester.

Background

At present, the crop threshing work is basically mechanized, particularly, the threshing of corn is generally carried out after harvesting and drying, and a fixed threshing machine is used for threshing after the moisture content of the corn reaches a certain value; in recent years, partial kernel harvesters are also available in the market, but the general type is large, the price is high, the harvesters are not suitable for harvesting corn kernels in medium and small plots, the existing mechanical threshing device is easy to damage the corn kernels during threshing, the yield of the corn is reduced, the threshing effect is poor, the efficiency is low, and meanwhile, the threshed corn kernels are doped with impurities, so that the quality of the corn is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a seed threshing device used on a corn combine harvester for making up the defects of the prior art. The threshing damage rate is low, the completeness of corn grains is ensured as far as possible, the yield of crops is ensured while the mechanized harvesting is realized, the harvesting efficiency is higher, and the problems in the prior art are solved.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the threshing mechanism is fixedly arranged at the upper end of the supporting bracket, a third threshing bin is arranged at the lower position inside the threshing mechanism, the third threshing bin is fixedly arranged inside the threshing mechanism, a second threshing bin is arranged at the upper position above the third threshing bin, the second threshing bin is fixedly arranged inside the threshing mechanism, the second threshing bin and the third threshing bin are not in the same axial direction, a first threshing bin is arranged at the upper position inside the threshing mechanism, the first threshing cavity and the third threshing box are positioned in the same axial direction and are symmetrically arranged with the second threshing bin as the center, threshing bin side plates are arranged at both ends of the threshing mechanism, the two threshing bin side plates are fixedly connected with both ends of the threshing mechanism, the threshing bin side plates are higher than the horizontal position of the threshing mechanism, a pressing plate is fixedly connected at one end outside one threshing bin side plate, a supporting bracket which is arranged obliquely is arranged below the pressing plate, and one end of the support frame is fixedly connected with the pressing plate, the other end of the support frame is fixedly connected with the threshing bin side plate, the upper end of the threshing mechanism is fixedly connected with a first upper cover plate, one end of the first upper cover plate is abutted to the threshing bin side plate provided with the pressing plate, the upper end of the threshing mechanism is fixedly connected with a corn cob inlet, one end of the corn cob inlet is abutted to the side end of the first upper cover plate, and the other end of the corn cob inlet is abutted to the inner surface of the other threshing bin side plate.

In a feasible scheme, there are first threshing shaft, second threshing shaft, third threshing shaft of fixed mounting respectively in first threshing warehouse, second threshing warehouse, the third threshing warehouse, first threshing shaft and the one end fixed mounting of second threshing shaft have helical blade or dial the board, first threshing shaft, second threshing shaft, the other parts fixedly connected with column threshing teeth of third threshing shaft, and threshing teeth are according to certain angular distance all with distribute on first threshing shaft, second threshing shaft, third threshing shaft.

In a feasible scheme, a corn cob outlet is formed in one end of the outer surface of the side plate of the threshing bin provided with the pressing plate, the corn cob outlet is located between the pressing plate and the supporting frame, a corn cob smashing and returning device is arranged below the corn cob outlet, and the corn cob smashing and returning device is fixedly connected with the side end of the threshing support.

In a feasible scheme, first threshing warehouse, second threshing warehouse, third threshing warehouse are equallyd divide and are equipped with cover plate, first concave plate, second concave plate, third concave plate on cover plate, the third on first cover plate, second on the first, first threshing warehouse is located between first cover plate and the first concave plate, and first cover plate and first concave plate fixed connection respectively are at the upper and lower both ends in first threshing warehouse, the same is true, cover plate, second concave plate and third cover plate, third concave plate under second threshing warehouse upper and lower both ends fixed connection second respectively, first concave plate, second concave plate, third concave plate surface have all seted up the through-hole.

In a feasible scheme, one side below the first lower concave plate is communicated with one side above the second upper cover plate, one side below the second lower concave plate is communicated with one side above the third upper cover plate, and the side end of the third lower concave plate corresponds to the corn cob outlet.

In a feasible scheme, a seed grain outlet is formed below the third threshing bin, a sliding plate is arranged below the seed grain outlet, the sliding plate is fixedly connected with the upper end of the threshing support, a seed grain cleaning device is fixedly mounted at the upper end of the threshing support, and the seed grain cleaning device is aligned with one end of the sliding plate.

In a feasible scheme, one end of the first threshing shaft is fixedly connected with a helical blade, the other end of the first threshing shaft is fixedly connected with a shifting plate, threshing teeth are distributed on the middle part according to a certain angle distance, and the tops of the threshing teeth are bent.

In a feasible scheme, one end of the second threshing shaft, which is in the same direction as the first threshing shaft, is fixedly connected with a helical blade, the rest parts of the second threshing shaft and the first threshing shaft are uniformly provided with threshing teeth with bent tops, and the third threshing shaft is uniformly provided with threshing teeth with bent tops.

The utility model provides a seed threshing device used on a corn harvester. The method has the following beneficial effects:

(1) in this scheme, through adopting the threshing warehouse, put into the threshing warehouse with the corn cob ear of grain from the corn cob ear of grain import, the corn cob ear of grain is after getting into the threshing warehouse, through the axle of threshing in the threshing warehouse, and the corn cob ear of grain is threshed under the propelling movement of helical blade, kneads the linear velocity low, and the impact force is little, so crushing loss is few, threshes efficiently, has increased the output of crops, has avoided the waste of corn kernel.

(2) According to the scheme, impurities doped in the threshed corn are removed through the seed cleaning device, the quality of the corn is improved, and the threshed corn cob cores can be smashed and returned to the field through the corn cob spike smashing and returning device, so that energy conservation and environmental protection are realized; because the corn cob cores after threshing are complete, the corn cob cores can be collected to be used as chemical raw materials.

Drawings

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

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

fig. 3 is a left side view of the present invention;

fig. 4 is a top view of the present invention;

fig. 5 is a sectional view of the present invention.

In the figure: 1. a threshing mechanism; 2. a third threshing bin; 3. a third threshing shaft; 4. a second threshing shaft; 5. A first threshing shaft; 6. a threshing bin side plate; 7. a corncob core crushing and returning device; 8. a grain cleaning device; 9. a slide plate; 10. corn ear inlets; 11. a first upper cover plate; 12. a first lower concave plate; 13. a corn cob outlet; 14. a helical blade; 15. threshing teeth; 16. dialing a plate; 17. a kernel outlet; 18. a second threshing bin; 19. a first threshing bin; 20. a second upper cover plate; 21. a second lower concave plate; 22. a third upper cover plate; 23. a third lower concave plate; 24. pressing a plate; 25. a support frame; 26. a threshing bracket.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

The specific embodiment is as follows:

referring to fig. 1-5, a grain threshing device for a corn harvester comprises a threshing mechanism 1 and a threshing bracket 26, wherein the threshing mechanism 1 is fixedly arranged at the upper end of the supporting bracket, a third threshing bin 2 is arranged at a lower position inside the threshing mechanism 1, the third threshing bin 2 is fixedly arranged inside the threshing mechanism 1, a second threshing bin 18 is arranged at a position above the third threshing bin 2, the second threshing bin 18 is fixedly arranged inside the threshing mechanism 1, the second threshing bin 18 and the third threshing bin 2 are not in the same axial direction, a first threshing bin 19 is arranged at an upper position inside the threshing mechanism 1, a first threshing cavity and the third threshing bin are positioned in the same axial direction and are symmetrically arranged with the second threshing bin 18 as a center, threshing bin side plates 6 are arranged at two ends of the threshing mechanism 1, the two threshing bin side plates 6 are fixedly connected with two ends of the threshing mechanism 1, and the threshing bin side plates 6 are higher than the horizontal position of the threshing mechanism 1, one end of the outer side of one threshing bin side plate 6 is fixedly connected with a pressing plate 24, a supporting frame 25 which is obliquely arranged is arranged below the pressing plate 24, one end of the supporting frame 25 is fixedly connected with the pressing plate 24, the other end of the supporting frame is fixedly connected with the threshing bin side plate 6, the upper end of the threshing mechanism 1 is fixedly connected with a first upper cover plate 11, one end of the first upper cover plate 11 is propped against the threshing bin side plate 6 provided with the pressing plate 24, the upper end of the threshing mechanism 1 is fixedly connected with a corn ear inlet 10, one end of the corn ear inlet 10 is propped against the side end of the first upper cover plate 11, the other end of the corn ear inlet is propped against the inner surface of the other threshing bin side plate 6, the corn ears enter the first threshing bin 19 from the corn ear inlet 10, the corn ears are threshed under the combined action of a helical blade 14, threshing teeth 15 and a shifting plate 16 on the first threshing shaft 5, and are simultaneously conveyed, threshing for many times by a first threshing shaft 5, a second threshing shaft 4 and a third threshing shaft 3 in a first threshing bin 19, a second threshing bin 18 and a third threshing bin 2, then, enabling corn cobs after threshing to flow out from a corn cob outlet 13 at one end of the third threshing shaft 3, installing a corn cob crushing and returning device 7 outside a threshing support 26 at the lower part of the corn cob outlet 13, enabling the corn cobs to flow into the corn cob crushing and returning device 7 through the corn cob outlet 13, and crushing and returning the corn cobs to the field, thereby realizing energy conservation and environmental protection; because the corn cobs threshed by the device are complete, the corn cobs can be collected to be used as chemical raw materials, and the cyclic utilization of resources is realized.

Optionally, in this embodiment, a first threshing shaft 5, a second threshing shaft 4, and a third threshing shaft 3 are respectively and fixedly installed in the first threshing bin 19, the second threshing bin 18, and the third threshing bin 2, a helical blade 14 or a shifting plate 16 is fixedly installed at one end of the first threshing shaft 5 and one end of the second threshing shaft 4, a columnar threshing tooth 15 is fixedly connected to the rest of the first threshing shaft 5, the second threshing shaft 4, and the third threshing shaft 3, and the threshing teeth 15 are all distributed on the first threshing shaft 5, the second threshing shaft 4, and the third threshing shaft 3 according to a certain angular distance. The threshing shafts are arranged in the first threshing bin 19 and the second threshing bin 18, so that the spikes can be threshed for multiple times after entering the threshing bins.

Optionally, in this embodiment, one end of the outer surface of the threshing bin side plate 6 provided with the pressing plate 24 is provided with a corn cob outlet 13, the corn cob outlet 13 is located between the pressing plate 24 and the supporting frame 25, a corn cob smashing and returning device 7 is arranged below the corn cob outlet 13, and the corn cob smashing and returning device 7 is fixedly connected with the side end of the threshing bracket 26. The corncob core is threshed the back in third threshing warehouse 2, through linking to each other with corncob outlet 13, thereby the corncob core flows out from corncob outlet 13, because returning field device 7 setting is smashed to the corncob core in corncob outlet 13 below to the corncob core, consequently, thereby the corncob core gets into after the outflow between the corncob core smashes returning field device 7 and smashes still field in the field device 7.

It is worth to be noted that the first threshing bin 19, the second threshing bin 18 and the third threshing bin 2 are respectively provided with a first upper cover plate 11, a second upper cover plate 20, a third upper cover plate 22, a first lower concave plate 12, a second lower concave plate 21 and a third lower concave plate 23, the first threshing bin 19 is positioned between the first upper cover plate 11 and the first lower concave plate 12, the first upper cover plate 11 and the first lower concave plate are respectively and fixedly connected with the upper end and the lower end of the first threshing bin 19, similarly, the upper end and the lower end of the second threshing bin 18 and the third threshing bin 2 are respectively and fixedly connected with the second upper cover plate 20, the second lower concave plate, the third upper cover plate 22 and the third lower concave plate 23, the surfaces of the first lower concave plate 12, the second lower concave plate 21 and the third lower concave plate 23 are respectively provided with through holes, the lower side of the first lower concave plate 12 is communicated with the upper side of the second upper cover plate 20, the lower side of the second lower concave plate 21 is communicated with the upper side of the third upper cover plate 22, the side end of the third lower concave plate 23 corresponds to the corn cob outlet 13. Through set up cover plate and lower recess on threshing warehouse to the upper cover plate between two different threshing warehouses communicates with lower recess, and lower recess sets up the through-hole, and the corncob core threshes the back in last threshing warehouse, can get into next threshing warehouse through between the through-hole and thresh once more.

In addition, seed grain export 17 has been seted up to third threshing warehouse 2 below, seed grain export 17 below is equipped with slide 9, and slide 9 and threshing support 26 upper end fixed connection, threshing support 26 upper end fixed mounting has seed grain cleaning plant 8, and seed grain cleaning plant 8 aligns with the one end of slide 9. The threshed corn kernels enter a kernel cleaning device 8 through a sliding plate 9 and a kernel outlet 17, and clean kernels are conveyed to a grain collecting box after selection.

More specifically, one end of the first threshing shaft 5 is fixedly connected with a helical blade 14, the other end of the first threshing shaft is fixedly connected with a shifting plate 16, threshing teeth 15 are distributed on the middle part of the first threshing shaft according to a certain angle distance, the tops of the threshing teeth 15 are bent, one end of the second threshing shaft 4, which is in the same direction as the first threshing shaft 5, is fixedly connected with the helical blade 14, threshing teeth 15 with bent tops are uniformly distributed on the rest part of the second threshing shaft, threshing teeth 15 with bent tops are uniformly distributed on the third threshing shaft 3, and corn cob cores are threshed through the threshing teeth 15 after entering a threshing bin.

The utility model discloses a theory of operation: when the corn combine harvester harvests corn ears, the corn ears enter the first threshing bin 19 from the corn ear inlet 10, the cob and spike threshing is carried out under the combined action of the helical blade 14, the threshing teeth 15 and the shifting plate 16 on the first threshing shaft 5 and simultaneously conveyed to the other end to enter the second threshing bin 18 and the third threshing bin 2, threshing for many times by a first threshing shaft 5, a second threshing shaft 4 and a third threshing shaft 3 in a first threshing bin 19, a second threshing bin 18 and a third threshing bin 2, then, the threshed corn cob flows out from a corn cob outlet 13 at one end of the third threshing shaft 3, the corn cob crushing and returning device 7 is arranged outside the threshing bracket 26 at the lower part of the corn cob outlet 13, and the corn cob flows into the corn cob crushing and returning device 7 through the corn cob outlet 13 to crush and return the corn cob, so that energy conservation and environmental protection are realized; because the corn cobs threshed by the device are complete, the corn cobs can be collected to be used as chemical raw materials, and the cyclic utilization of resources is realized. The threshed corn kernels enter a kernel cleaning device 8 through a sliding plate 9 and a kernel outlet 17, and clean kernels are conveyed to a grain collecting box after selection.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a seed grain thresher for on maize picker, includes threshing mechanism (1) and support holder, its characterized in that: threshing mechanism (1) fixed mounting is in the support upper end, threshing mechanism (1) inside position under one side is equipped with third threshing warehouse (2), and third threshing warehouse (2) fixed mounting is inside threshing mechanism (1), third threshing warehouse (2) top position is equipped with second threshing warehouse (18), and second threshing warehouse (18) fixed mounting is inside threshing mechanism (1), and second threshing warehouse (18) and third threshing warehouse (2) are not at same axial, threshing mechanism (1) inside position on one side is equipped with first threshing warehouse (19), and first threshing chamber and third threshing box are located same axial and use second threshing warehouse (18) as the mutual symmetry setting of center, threshing mechanism (1) both ends all are equipped with threshing warehouse curb plate (6), and two threshing warehouse curb plates (6) and threshing mechanism (1) both ends fixed connection, and threshing warehouse curb plate (6) are higher than threshing mechanism (1) horizontal position, threshing warehouse curb plate (6) outside one end fixedly connected with clamp plate (24), clamp plate (24) below is equipped with support frame (25) that the slope set up, and support frame (25) one end and clamp plate (24) fixed connection, the other end and threshing warehouse curb plate (6) fixed connection, threshing mechanism (1) upper end fixedly connected with first upper shield plate (11), and first upper shield plate (11) one end offsets with threshing warehouse curb plate (6) that are equipped with clamp plate (24), threshing mechanism (1) upper end fixedly connected with corn cob ear import (10), and corn cob ear import (10) one end offsets with first upper shield plate (11) side, and the other end offsets with another threshing warehouse curb plate (6) internal surface.

2. The grain threshing device for a corn harvester of claim 1, wherein: first threshing shaft (5), second threshing shaft (4), third threshing shaft (3) are respectively fixed mounting in first threshing warehouse (19), second threshing warehouse (18), third threshing warehouse (2), first threshing shaft (5) and the one end fixed mounting of second threshing shaft (4) have helical blade (14) or dial board (16), first threshing shaft (5), second threshing shaft (4), the all the other parts fixedly connected with column threshing teeth (15) of third threshing shaft (3), and threshing teeth (15) are according to certain angle distance all with distribute on first threshing shaft (5), second threshing shaft (4), third threshing shaft (3).

3. The grain threshing device for a corn harvester of claim 1, wherein: corn cob core outlet (13) have been seted up to threshing warehouse curb plate (6) surface one end with clamp plate (24), and corn cob core outlet (13) are located clamp plate (24) and support frame (25) intermediate position, corn cob core outlet (13) below is equipped with corn cob core and smashes still field device (7), and corn cob core smashes still field device (7) and threshes support (26) side fixed connection.

4. The grain threshing device for a corn harvester of claim 1, wherein: the first threshing bin (19), the second threshing bin (18) and the third threshing bin (2) are respectively provided with a first upper cover plate (11), a second upper cover plate (20), a third upper cover plate (22), a first lower concave plate (12), a second lower concave plate (21) and a third lower concave plate (23), the first threshing bin (19) is positioned between the first upper housing plate (11) and the first lower concave plate (12), and the first upper cover plate (11) and the first lower concave plate are respectively and fixedly connected with the upper end and the lower end of the first threshing bin (19), the upper and lower ends of the second threshing bin (18) and the third threshing bin (2) are respectively fixedly connected with a second upper cover plate (20), a second lower concave plate, a third upper cover plate (22) and a third lower concave plate (23), through holes are formed in the surfaces of the first lower concave plate (12), the second lower concave plate (21) and the third lower concave plate (23).

5. The grain threshing device for a corn harvester of claim 4, wherein: one side below the first lower concave plate (12) is communicated with one side above the second upper cover plate (20), one side below the second lower concave plate (21) is communicated with one side above the third upper cover plate (22), and the side end of the third lower concave plate (23) corresponds to the corn cob outlet (13).

6. The grain threshing device for a corn harvester of claim 1, wherein: seed grain export (17) have been seted up to third threshing warehouse (2) below, seed grain export (17) below is equipped with slide (9), and slide (9) and threshing support (26) upper end fixed connection, threshing support (26) upper end fixed mounting has seed grain cleaning plant (8), and seed grain cleaning plant (8) aligns with the one end of slide (9).

7. The grain threshing device for a corn harvester of claim 2, wherein: one end of the first threshing shaft (5) is fixedly connected with a helical blade (14), the other end of the first threshing shaft is fixedly connected with a shifting plate (16), threshing teeth (15) are distributed in the middle of the first threshing shaft according to a certain angle distance, and the tops of the threshing teeth (15) are bent.

8. The grain threshing device for a corn harvester of claim 2, wherein: one end of the second threshing shaft (4) in the same direction as the first threshing shaft (5) is fixedly connected with a helical blade (14), the rest parts are uniformly provided with threshing teeth (15) with bent tops, and the third threshing shaft (3) is uniformly provided with threshing teeth (15) with bent tops.