Threshing cylinder

Abstract

The utility model provides a threshing cylinder which comprises a driving belt pulley, an inner ring of the driving belt pulley is fixedly connected with a driving rod, the outer side of the driving rod is fixedly connected with a first tooth-shaped threshing disc and a second tooth-shaped threshing disc respectively, a threshing mechanism is arranged between the first tooth-shaped threshing disc and the second tooth-shaped threshing disc, and the threshing mechanism comprises angle steel. The number of the steel angles is four, the tops and the bottoms of the four steel angles are fixedly connected with the bottom of the first tooth-shaped threshing disc and the top of the second tooth-shaped threshing disc respectively, and threshing rods and connecting plates are arranged on the outer sides of the steel angles respectively. The problems of high labor and manufacturing cost, inconvenience in detachment and replacement of a threshing cutter tooth combination, inconvenience in application to different crops, inconvenience in chopping of grain straws and easiness in straw winding are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of agricultural machinery, in particular to a threshing cylinder. Background Art

[0002] For crops such as wheat, rice, rapeseed, sorghum, highland barley, coix seed, mung beans and soybeans, the traditional method during threshing is manual threshing or single mechanical threshing. Such threshing machines require a large amount of labor, farmers need to purchase many varieties of threshing machinery, the threshing, separation and cleaning are not thorough, and the crop straw cannot be crushed. A threshing machine is a post-harvest processing machine, mainly suitable for farmers in hilly and mountainous areas to thresh, separate, clean grains and crush straw after harvest. According to different grain crops, there are different types of threshing machines. For example, a rice and wheat threshing machine for threshing rice and wheat, a rapeseed threshing machine for threshing rapeseed, a sorghum threshing machine for threshing sorghum, and a soybean threshing machine for threshing soybeans, etc.

[0003] The threshing cylinder of the prior art has a complex structure, high labor and manufacturing costs, the combination of threshing teeth is inconvenient to disassemble and replace, resulting in inconvenience in applying to different crops, and it is inconvenient to cut the cereal straw, and the problem of straw entanglement is likely to occur. Summary of the Utility Model

[0004] In order to solve the above technical problems, the utility model provides a threshing cylinder with a simple structure, low manufacturing cost and convenient use.

[0005] The threshing cylinder provided by the utility model includes a driving pulley, the inner ring of the driving pulley is fixedly connected with a driving rod, and the outer side of the driving rod is respectively fixedly connected with a first toothed threshing disc and a second toothed threshing disc, and a threshing mechanism is arranged between the first toothed threshing disc and the second toothed threshing disc.

[0006] In order to achieve the purpose of threshing grains, as the threshing cylinder provided by the utility model, preferably, the threshing mechanism includes angle steels, the number of the angle steels is set to four, the top and bottom of the four angle steels are respectively fixedly connected with the bottom of the first toothed threshing disc and the top of the second toothed threshing disc, the outer sides of the angle steels are respectively provided with threshing rods and connecting plates, and one side of the connecting plate is fixedly connected with a threshing knife.

[0007] In order to facilitate the fixed disassembly of the connecting plate, as the threshing cylinder provided by the utility model, preferably, the threshing mechanism further includes a connecting bolt, the connecting bolt is located in the inner cavity of the connecting plate, and a connecting nut is threadedly connected to the outer side of the connecting bolt.

[0008] In order to improve the structural strength of the angle steel, as the threshing cylinder provided by the utility model, preferably, a column is arranged inside the angle steel, the top and bottom of the column are both fixedly connected with triangular plates, and the outer sides of the triangular plates are fixedly connected with the inner side of the angle steel.

[0009] To improve the stability of the angle steel, as the threshing cylinder provided by the present utility model, preferably, a rectangular plate is fixedly connected to the outer side of the driving rod, and the outer side of the rectangular plate is fixedly connected to the inner side of the angle steel.

[0010] To improve the connection stability between the rectangular plate and the driving rod, as the threshing cylinder provided by the present utility model, preferably, reinforcing sleeves are fixedly connected to both the top and bottom of the rectangular plate, and the inner ring of the reinforcing sleeve is fixedly connected to the outer side of the driving rod.

[0011] Compared with the prior art, the beneficial effects of the present utility model are:

[0012] For this threshing cylinder, the crops to be threshed enter the threshing machine from the crop inlet. The crops are first threshed by the high-speed rotating threshing mechanism. There are threshing teeth arranged on the outer sides of the first toothed threshing disc and the second toothed threshing disc, which can play a role in chopping the cereal straws, improving the threshing effect. And the structure of this device is simple, easy to produce and process, reducing the manufacturing cost. It solves the problems of the complex structure of the threshing cylinder in the prior art, high labor and manufacturing costs, inconvenient disassembly and replacement of the threshing cutter tooth combination, resulting in inconvenient application to different crops, inconvenient chopping of cereal straws, and easy occurrence of straw entanglement. Description of the Drawings

[0013] Figure 1 It is a schematic structural diagram of a preferred embodiment of the threshing cylinder provided by the present utility model;

[0014] Figure 2 It is a schematic structural diagram of the driving rod of the present utility model;

[0015] Figure 3 It is a schematic structural diagram of the angle steel of the present utility model;

[0016] Figure 4 It is a top view structural diagram of the angle steel of the present utility model;

[0017] Figure 5 It is a schematic structural diagram of the threshing knife of the present utility model.

[0018] Reference numerals in the drawings: 1, driving pulley; 2, driving rod; 3, first toothed threshing disc; 4, second toothed threshing disc; 5, threshing mechanism; 501, angle steel; 502, threshing rod; 503, connecting plate; 504, threshing knife; 505, connecting bolt; 506, connecting nut; 6, rectangular plate; 7, reinforcing sleeve; 8, column; 9, triangular plate. Detailed Embodiment

[0019] The present utility model will be further described below in conjunction with the drawings and embodiments.

[0020] Please refer toFigure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , where Figure 1 is a schematic structural view of a preferred embodiment of the threshing cylinder provided by the present utility model; Figure 2 is a schematic structural view of the driving rod of the present utility model; Figure 3 is a schematic structural view of the angle steel of the present utility model; Figure 4 is a top view structural schematic of the angle steel of the present utility model; Figure 5 is a schematic structural view of the threshing knife of the present utility model. The threshing cylinder includes a driving pulley 1. The inner ring of the driving pulley 1 is fixedly connected with a driving rod 2. The outer sides of the driving rod 2 are respectively fixedly connected with a first toothed threshing disc 3 and a second toothed threshing disc 4. A threshing mechanism 5 is arranged between the first toothed threshing disc 3 and the second toothed threshing disc 4.

[0021] In this embodiment: When in use, the driving pulley 1 is driven to rotate by a power source. The driving pulley 1 drives the driving rod 2 to rotate. When the driving rod 2 rotates, it can drive the first toothed threshing disc 3, the second toothed threshing disc 4 and the threshing mechanism 5 to rotate simultaneously. The crops to be threshed enter the threshing machine from the crop inlet. The crops are first threshed by the high-speed rotating threshing mechanism 5. And the outer sides of the first toothed threshing disc 3 and the second toothed threshing disc 4 are provided with threshing teeth, which can play a role in chopping the cereal straws, improving the threshing effect, solving the technical problems of straw entanglement and incomplete threshing in the prior art, and the structure of this device is simple, easy to produce and process, reducing the manufacturing cost.

[0022] As a technical optimization scheme of the present utility model, the threshing mechanism 5 includes angle steels 501. The number of the angle steels 501 is set to four. The tops and bottoms of the four angle steels 501 are respectively fixedly connected with the bottom of the first toothed threshing disc 3 and the top of the second toothed threshing disc 4. Threshing rods 502 and connecting plates 503 are respectively arranged on the outer sides of the angle steels 501. One side of the connecting plate 503 is fixedly connected with a threshing knife 504.

[0023] In this embodiment: The threshing rod 502 is in a right-angled L shape. The outer side of the threshing knife 504 is provided with knife teeth, which is convenient for threshing work. The angle steels 501 are fixedly connected with the first toothed threshing disc 3 and the second toothed threshing disc 4 by welding.

[0024] As a technical optimization scheme of the present utility model, the threshing mechanism 5 further includes a connecting bolt 505. The connecting bolt 505 is located in the inner cavity of the connecting plate 503. A connecting nut 506 is threadedly connected to the outer side of the connecting bolt 505.

[0025] In this embodiment: A through hole for the connecting bolt 505 to penetrate is provided on the outer side of the angle steel 501. When installing the threshing blade 504 on the outer side of the angle steel 501, the connecting plate 503 can be first moved to the outer side of the angle steel 501, then the through hole at the connecting plate 503 is aligned with the through hole at the angle steel 501, the connecting bolt 505 is passed through the connecting plate 503 and the angle steel 501, and the connecting nut 506 is tightened, so that the connecting plate 503 can be fixed to the outer side of the angle steel 501, completing the fixation of the threshing blade 504. And when the threshing blade 504 is damaged in the later stage, only the connecting nut 506 needs to be twisted off from the outer side of the connecting bolt 505 to release the fixation of the connecting plate 503, which is convenient for the user to replace the threshing blade 504 and realize the threshing of different crops.

[0026] As a technical optimization scheme of the present utility model, a column 8 is provided on the inner side of the angle steel 501. Triangular plates 9 are fixedly connected to the top and bottom of the column 8, and the outer sides of the triangular plates 9 are fixedly connected to the inner side of the angle steel 501.

[0027] In this embodiment: By providing the triangular plates 9 and the column 8, the anti-deformation ability of the angle steel 501 is improved, thereby improving the structural strength of the angle steel 501.

[0028] As a technical optimization scheme of the present utility model, a rectangular plate 6 is fixedly connected to the outer side of the driving rod 2, and the outer side of the rectangular plate 6 is fixedly connected to the inner side of the angle steel 501.

[0029] In this embodiment: The four angle steels 501 are respectively located at the four corners of the rectangular plate 6, and the inner right-angle surfaces of the angle steels 501 are welded and fixed to the outer right-angle surfaces of the rectangular plate 6. By providing the rectangular plate 6, the stability of the angle steel 501 is improved, which is convenient for use.

[0030] As a technical optimization scheme of the present utility model, reinforcing sleeves 7 are fixedly connected to the top and bottom of the rectangular plate 6, and the inner circles of the reinforcing sleeves 7 are fixedly connected to the outer side of the driving rod 2.

[0031] In this embodiment: By providing the reinforcing sleeves 7, the connection stability between the rectangular plate 6 and the driving rod 2 is improved.

[0032] The working principle of the threshing cylinder provided by the present utility model is as follows:

[0033] During use, the driving pulley 1 is driven to rotate by a power source. The driving pulley 1 drives the driving rod 2 to rotate. When the driving rod 2 rotates, it can simultaneously drive the first toothed threshing disc 3, the second toothed threshing disc 4 and the angle steel 501 to rotate. The crops to be threshed enter the threshing machine from the crop inlet. The crops are first threshed by the threshing rods 502 and the threshing knives 504 that rotate at high speed. There are threshing teeth arranged on the outer sides of the first toothed threshing disc 3 and the second toothed threshing disc 4, which can play a role in chopping the cereal straws, improving the threshing effect, and solving the technical problems of straw entanglement and incomplete threshing existing in the prior art. Moreover, the structure of this device is simple, easy to produce and process, reducing the manufacturing cost. When installing the threshing knife 504 on the outer side of the angle steel 501, the connecting plate 503 can be first moved to the outer side of the angle steel 501, and then the through holes at the connecting plate 503 are aligned with the through holes at the angle steel 501. The connecting bolt 505 is passed through the connecting plate 503 and the angle steel 501, and the connecting nut 506 is tightened, then the connecting plate 503 can be fixed to the outer side of the angle steel 501, completing the fixation of the threshing knife 504. And when the threshing knife 504 is damaged later, only the connecting nut 506 needs to be twisted off from the outer side of the connecting bolt 505, then the fixation of the connecting plate 503 can be released, facilitating the user to replace the threshing knife 504.

[0034] The above are only the embodiments of the present invention, and do not limit the patent scope of the present invention accordingly. Any equivalent structure or equivalent process transformation made by using the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, shall be equally included in the patent protection scope of the present invention.

Claims

1. Threshing drum, characterized in that: The invention comprises a driving pulley (1), the inner ring of which is fixedly connected to a driving rod (2), the outer sides of which are respectively fixedly connected to a first toothed threshing disk (3) and a second toothed threshing disk (4), and a threshing mechanism (5) is arranged between the first toothed threshing disk (3) and the second toothed threshing disk (4).

2. The threshing drum according to claim 1, characterized in that: The threshing mechanism (5) comprises an angle steel (501), wherein the number of the angle steels (501) is set to four, and the top and bottom of the four angle steels (501) are respectively fixedly connected to the bottom of the first toothed threshing disc (3) and the top of the second toothed threshing disc (4), and the outer sides of the angle steels (501) are respectively provided with a threshing rod (502) and a connecting plate (503), and a threshing knife (504) is fixedly connected to one side of the connecting plate (503).

3. The threshing drum according to claim 2, characterized in that: The threshing mechanism (5) further comprises a connecting bolt (505), wherein the connecting bolt (505) is located in the inner cavity of the connecting plate (503), and a connecting nut (506) is threadedly connected to the outer side of the connecting bolt (505).

4. The threshing drum according to claim 2, characterized in that: A column (8) is arranged on the inner side of the angle steel (501), and a triangular plate (9) is fixedly connected to the top and bottom of the column (8), and the outer side of the triangular plate (9) is fixedly connected to the inner side of the angle steel (501).

5. The threshing drum according to claim 2, characterized in that: The outer side of the driving rod (2) is fixedly connected to a rectangular plate (6), and the outer side of the rectangular plate (6) is fixedly connected to the inner side of the angle steel (501).

6. The threshing drum according to claim 5, characterized in that: The top and bottom of the rectangular plate (6) are both fixedly connected with a reinforcement sleeve (7), and the inner ring of the reinforcement sleeve (7) is fixedly connected to the outer side of the driving rod (2).

Images