CN212436438U - Double-roller rice thresher - Google Patents
Double-roller rice thresher Download PDFInfo
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- CN212436438U CN212436438U CN202020129338.8U CN202020129338U CN212436438U CN 212436438 U CN212436438 U CN 212436438U CN 202020129338 U CN202020129338 U CN 202020129338U CN 212436438 U CN212436438 U CN 212436438U
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Abstract
The utility model provides a double-roller rice thresher, which comprises a thresher casing, a material cabin, a frame, a threshing roller and a secondary threshing roller; the threshing cylinder is positioned in a threshing cabin in the shell of the thresher, and threshing teeth are distributed around the threshing cylinder; the main roller is provided with a plurality of working teeth which are spirally arranged and have included angles; the secondary threshing roller is integrally positioned at the lower side of the threshing roller, the inner side of the outer cover corresponding to the secondary threshing roller is provided with an angular guide rib, and the axial direction corresponding to the secondary threshing roller is provided with a feeding guide spiral and a shifting tooth. The threshing cylinder and the secondary threshing cylinder form a double-cylinder structure, the effective threshing area of the threshing cylinder is large, secondary threshing can be carried out, and the grain harvesting rate is improved; the feeding device is provided with a guide rib with an angle, a feeding guide spiral and a shifting tooth; the secondary threshing roller can guide and transmit materials and cut straws while rotating. In addition, the utility model discloses threshing mechanism is succinct, and is comparatively light, and threshing effect is good, and labour saving and time saving.
Description
Technical Field
The utility model relates to the technical field of rice threshing, in particular to a double-roller rice thresher.
Background
The rice thresher is a household small agricultural machine tool commonly used by farmers in hilly areas in China, and the rice thresher puts the rice ear part of rice into a rice thresher to realize the separation of grains and rice ears. The lower cover body of the granary of the traditional rice thresher is a screen mesh, the screen mesh plays a role in separating grains and rice ear fragments and also plays a role in collecting the grains, the large-sized rice ear fragments are taken out from a discharge port through a threshing cylinder, a rice straw outlet of the existing rice thresher with automatic straw discharging is arranged behind the rice thresher, a straw discharging channel is arranged between the rice straw outlet and the cylinder, and a rice straw conveying mechanism is arranged in the straw discharging channel.
Through the retrieval discovery, patent number CN 201621333757.3's utility model discloses a threshing equipment technical field's a lightweight grain grass separation rice thresher, including the millet fill, the right wall that the millet was fought is provided with controlling means, both ends are provided with driving motor and support frame respectively about the top that the millet was fought, driving motor's output shaft has cup jointed driving pulley, driving pulley's outer wall has cup jointed the belt, the left wall of support frame is provided with threshing screen, the top of support frame is provided with the filter screen.
The utility model of patent No. CN200620020283.7 discloses a full-feeding rice thresher, belonging to threshing machine tools in agricultural machinery; a waste conveying cylinder is arranged below the lower concave plate, a fan is arranged on the frame, and the rear port of the waste conveying cylinder is communicated with a waste air suction port of the fan; the grain inlet and outlet of the grain lifting cylinder arranged outside the frame are respectively connected with the grain collecting groove and the grain tank, and the grain outlet is communicated with the grain lifting inlet scoop of the fan; the air exhaust cylinder is arranged on the air outlet of the fan; the grain input auger with the opposite front and back spiral directions is assembled below the impurity conveying cylinder and communicated with the grain collecting groove; the threshing cylinder assembly is formed by assembling a cylinder shaft, a tooth seat plate, torsion spring type elastic comb teeth, a grain reverse guide vane and a forward guide vane.
The utility model of patent No. CN01233960.1 relates to a rice thresher of agricultural machinery, which is an improvement of the prior rice thresher; it mainly comprises: the device comprises a traction frame, an input transmission shaft, a feeding port, a main frame, a movable wheel, a main machine roller, a double-layer cleaning sieve, a concave plate, a secondary machine cleaning sieve, a secondary fan, a secondary machine roller, a grain bran separation hopper, a traveling wheel, a secondary frame, a transmission belt wheel, a coupling, a main fan, an impurity suction port, a grain storage bin, a lifter and an air pipe. The front end of the thresher is provided with a traction frame, the traction frame is provided with an input transmission shaft, a double-layer cleaning sieve is arranged below a main machine roller, a grain and bran separating hopper is arranged above the main machine roller and is connected with a main machine frame, and walking wheels are arranged below a thresher frame body.
However, it is found through analysis that the conventional rice thresher has a low grain harvesting rate and wastes a lot of waste during the operation, in that the impurities such as straw, leaves and the like threshed by the threshing cylinder are directly discharged from the straw discharge port, and during the straw discharge process, a lot of rice is discharged to the outside of the thresher along with the impurities such as straw, leaves and the like, which not only causes waste of grains, but also reduces the economic income of farmers.
SUMMERY OF THE UTILITY MODEL
Therefore, in order to solve the above-mentioned deficiency, the utility model provides a double-roller rice thresher; the effective threshing area of the roller is large, secondary threshing can be carried out, and the grain harvesting rate is improved.
The utility model discloses a realize like this, construct a two roller rice thresher, its characterized in that: the double-roller rice thresher comprises a thresher shell, a material cabin, a rack, a threshing roller and a secondary threshing roller; the threshing cylinder is positioned in a threshing cabin in the shell of the thresher, and threshing teeth are distributed around the threshing cylinder; the secondary threshing roller is integrally positioned at the side position of the threshing roller.
According to the utility model discloses a two roller rice thresher, its characterized in that: the inner side of the outer cover corresponding to the secondary threshing roller is provided with an angular guide rib, and the axial direction corresponding to the secondary threshing roller is provided with a feeding guide spiral and a shifting tooth.
According to the utility model discloses a two roller rice thresher, its characterized in that: the main roller is provided with a plurality of working teeth which are spirally arranged and have included angles.
The utility model has the advantages of as follows: the utility model provides a double-roller rice thresher; comprises a thresher casing, a material cabin, a frame, a threshing roller and a secondary threshing roller; the threshing cylinder and the secondary threshing cylinder form a double-cylinder structure, the effective threshing area of the threshing cylinder is large, secondary threshing can be carried out, and the grain harvesting rate is improved; the feeding device is provided with a guide rib, a feeding guide screw and a shifting fork; the secondary threshing roller can guide and transmit materials and cut straws while rotating. In addition, the utility model discloses threshing mechanism is succinct, and is comparatively light, and threshing effect is good, and labour saving and time saving.
Drawings
FIG. 1 is a schematic view of the overall implementation of the present invention;
FIG. 2 is a schematic diagram of the position of the secondary threshing cylinder of the present invention;
fig. 3 is a schematic view of the middle threshing cylinder of the present invention.
Wherein: the threshing machine comprises a thresher casing 1, a material cabin 2, a frame 3, a threshing cylinder 4, a secondary threshing cylinder 5, an outer cover 6, a guide rib 7, a feeding guide spiral 8, a shifting fork 9 and threshing teeth 10.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 3, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
A double-roller rice thresher comprises a thresher casing 1, a material cabin 2, a frame 3, a threshing roller 4 and a secondary threshing roller 5; the threshing cylinder 4 is positioned in a threshing cabin inside the thresher casing 1, and threshing teeth are distributed around the threshing cylinder 4; the secondary threshing roller 5 is integrally positioned at the side position of the threshing roller 4, the inner side of the outer cover 6 corresponding to the secondary threshing roller 5 is provided with an angular guide rib 7, and the axial direction corresponding to the secondary threshing roller 5 is provided with a feeding guide screw 8 and a poking tooth 9. The main roller is provided with a plurality of working teeth which are spirally arranged and have included angles.
In the rice thresher, the threshing cylinder 4 and the secondary threshing cylinder 5 are driven by external power.
In the rice thresher, threshing teeth 10 are distributed on a threshing cylinder 4, and the threshing teeth 10 are obliquely distributed on the threshing cylinder 4.
The utility model provides a double-roller rice thresher; comprises a thresher casing 1, a material cabin 2, a frame 3, a threshing cylinder 4 and a secondary threshing cylinder 5; the threshing cylinder 4 and the secondary threshing cylinder 5 form a double-cylinder structure, the effective threshing area of the threshing cylinder is large, secondary threshing can be carried out, and the grain harvesting rate is improved; the device is provided with a guide rib 7 with an angle, a feeding guide spiral 8 and a shifting tooth 9; the secondary threshing roller can guide and transmit materials and cut straws while rotating. In addition, the utility model discloses threshing mechanism is succinct, and is comparatively light, and threshing effect is good, and labour saving and time saving.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (1)
1. A double-roller rice thresher is characterized in that: the double-roller rice thresher comprises a thresher casing (1), a material cabin (2), a rack (3), a threshing roller (4) and a secondary threshing roller (5); the threshing cylinder (4) is positioned in a threshing cabin inside the thresher casing (1), and threshing teeth are distributed around the threshing cylinder (4); the secondary threshing roller (5) is integrally positioned at the side position of the threshing roller (4);
the inner side of the outer cover (6) corresponding to the secondary threshing roller (5) is provided with an angular guide rib (7), and the axial direction corresponding to the secondary threshing roller (5) is provided with a feeding guide screw (8) and a poking tooth (9);
the main roller is provided with a plurality of working teeth which are spirally arranged and have included angles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020129338.8U CN212436438U (en) | 2020-01-20 | 2020-01-20 | Double-roller rice thresher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020129338.8U CN212436438U (en) | 2020-01-20 | 2020-01-20 | Double-roller rice thresher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212436438U true CN212436438U (en) | 2021-02-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020129338.8U Active CN212436438U (en) | 2020-01-20 | 2020-01-20 | Double-roller rice thresher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212436438U (en) |
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2020
- 2020-01-20 CN CN202020129338.8U patent/CN212436438U/en active Active
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