CN221768786U - A corn thresher - Google Patents

Abstract

The utility model discloses a corn thresher, comprising a frame connected with a motor; a rotating roller connected with the motor, a plurality of threshing teeth being arranged on the outer periphery of the rotating roller; a threshing plate being arranged at the lower part of the rotating roller, a plurality of through holes being opened on the threshing plate; an auger being arranged at the lower part of the threshing plate and connected with the frame; and a dust removal mechanism being arranged at the lower part of the threshing plate, wherein the dust removal mechanism guides the airflow to act on the surface of the corn kernels during the process of corn kernels sliding down to the auger. The utility model adopts the method of arranging the dust removal mechanism at the lower part of the rotating roller, guiding the airflow to act on the surface of the corn kernels, so that the corn kernels threshed from the upper part enter the auger for transportation and collection of stemless ears and impurities thereof, and there is no need to screen the collected corn kernels again, so the use is more convenient.

Description

A corn thresher

Technical Field

The utility model belongs to the technical field of corn planting, and in particular relates to a corn thresher.

Background Art

Corn is an annual monoecious, cross-pollinated plant with tall plants and strong stems. It is an important food crop and feed crop, and also the crop with the highest total output in the world. Its planting area and total output are second only to rice and wheat. Corn has always been hailed as a longevity food. It is rich in protein, fat, vitamins, trace elements, cellulose, etc., and has great potential for developing high-nutrition, high-biological functional foods.

More and more farmers are planting corn. The invention and creation of modern agricultural machinery makes it easier for farmers to harvest and produce. Corn thresher refers to a mechanical device for threshing corn ears.

A Chinese patent application with application number CN201020113956.X discloses a corn thresher, comprising a frame, a plurality of threshing rollers, a screen, an outer cover, etc., wherein a plurality of threshing rollers are mounted on the frame, the threshing rollers are parallel to each other and are located on a plane, the plane has an angle with the horizontal plane, the screen is located below the threshing rollers, the outer cover is buckled on the screen to form a threshing roller with the screen, the threshing rollers are located in the threshing rollers, a feed port is provided on the outer cover at one end of the bottom threshing roller, the other end of the bottom threshing roller is communicated with an adjacent threshing roller, the adjacent threshing rollers are communicated with each other, all threshing rollers form a bow-shaped channel, and a discharge port is provided on the outer cover at the other end of the top threshing roller that is communicated with the adjacent threshing roller.

However, when the current corn thresher is in use, the corn kernels are collected together with the stalks, ears and impurities, and manual secondary screening is required at a later stage, which causes trouble for farmers.

Utility Model Content

In order to solve the above technical problems, the utility model adopts the following technical solutions:

A corn thresher, comprising:

A frame connected with a motor;

A rotating roller connected to the motor, wherein a plurality of threshing teeth are arranged on the outer periphery of the rotating roller;

A threshing plate is arranged at the lower part of the rotating roller, and a plurality of through holes are opened on the threshing plate;

An auger is arranged at the lower part of the threshing plate and connected to the frame; and

The dust removal mechanism is arranged at the lower part of the threshing plate. When the corn kernels slide to the auger, the dust removal mechanism guides the airflow to act on the surface of the corn kernels.

Furthermore, the frame is connected to a feeding cover with a cover provided on the upper part of the rotating roller, the feeding cover is connected to a baffle plate at the feeding port, and a crank is provided on the outer side of the frame, and the crank is connected to the baffle plate.

Furthermore, the threshing plate is in an arc shape that is concave upwards.

Furthermore, the frame is also provided with a first material guide plate and a second material guide plate located at the lower part of the threshing plate. The corn kernels falling from the threshing plate pass through the first material guide plate, slide to the second material guide plate, and are guided into the auger by the second material guide plate.

Furthermore, the second material guide plate is provided with a plurality of ventilation holes.

Furthermore, one end of the rotating roller is connected to the motor through a belt, and the other end of the rotating roller is connected to the auger and the dust removal mechanism through belts.

Furthermore, the dust removal mechanism includes a rotating shaft and a plurality of blades connected to the rotating shaft in a circumferential direction.

Furthermore, rollers are arranged at the bottom of the frame.

Compared with the prior art, the utility model has the following beneficial effects:

A dust removal mechanism is arranged at the lower part of the rotating roller to guide the airflow to act on the surface of the corn kernels, so that the corn kernels threshed from the upper part enter the auger for transportation and collection of stemless ears and impurities. There is no need to screen the collected corn kernels again, which is more convenient to use.

The thresher has a compact structure and is driven by a motor. The power is transmitted to the rotating roller through a belt, so that the corn entering the feeding cover is acted on by the threshing teeth under the rotation of the rotating roller, thereby completing the threshing with high threshing efficiency.

The arrangement of the first guide plate and the second guide plate allows for cleaner threshing. The first guide plate and the second guide plate are respectively connected to the rear and front portions of the threshing plate. The fallen and mixed corn ears and impurities are dispersed after being acted upon by at least one of the first guide plate and the second guide plate which are arranged obliquely. The lighter corn ears and impurities are blown away by the airflow stirred by the blades, while the heavier corn kernels slide to the auger along with the second guide plate and are collected from the side of the machine.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the three-dimensional structure of a corn thresher embodiment of the utility model;

Fig. 2 is a cross-sectional structural schematic diagram of an embodiment of a corn thresher of the utility model;

FIG3 is a schematic diagram of the partial structure of a corn thresher embodiment of the utility model;

The reference numerals in the drawings of the specification include:

Frame 1, motor 2, belt 20, rotating roller 3, threshing teeth 30, threshing plate 4, through hole 40, auger 5, feeding cover 6, baffle plate 60, crank handle 61, first guide plate 71, second guide plate 72, dust removal mechanism 8, rotating shaft 80, paddle 81, roller 9.

DETAILED DESCRIPTION

In order to enable those skilled in the art to better understand the present invention, the technical solution of the present invention is further described below in conjunction with the accompanying drawings and embodiments.

Among them, the drawings are only used for exemplary explanations, and they only show schematic diagrams, not actual drawings, and cannot be understood as limitations on this patent; in order to better illustrate the embodiments of the utility model, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted, and the same or similar reference numerals in the drawings of the embodiments of the utility model correspond to the same or similar parts; in the description of the utility model, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer" and the like appear, the directions or positional relationships indicated are based on the directions or positional relationships shown in the drawings, which are only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, so the terms describing the positional relationship in the drawings are only used for exemplary explanations, and cannot be understood as limitations on this patent. For those of ordinary skill in the art, the specific meanings of the above terms can be understood according to specific circumstances.

Example

As shown in Figures 1 to 3, a corn thresher of the utility model includes a frame 1, a rotating roller 3, an auger 5 and a dust removal mechanism:

Wherein, the frame 1 is connected with the motor 2;

The rotating roller 3 is connected to the motor 2, and a plurality of threshing teeth 30 are arranged on the outer periphery of the rotating roller 3;

The threshing plate 4 is arranged at the lower part of the rotating roller 3, and a plurality of through holes 40 are opened on the threshing plate 4;

The auger 5 is disposed at the lower part of the threshing plate 4 and connected to the frame 1; and

The dust removal mechanism is arranged at the lower part of the threshing plate 4. When the corn kernels slide to the auger 5, the dust removal mechanism guides the airflow to act on the surface of the corn kernels.

A dust removal mechanism is provided at the lower part of the rotating roller 3 to guide the airflow to act on the surface of the corn kernels, so that the corn kernels threshed from the upper part enter the auger for conveying and collecting the stemless ears and their impurities. There is no need to screen the collected corn kernels again, which is more convenient to use.

The thresher has a compact structure and is driven by a motor 2. The power is transmitted to the rotating roller 3 through a belt 20, so that the corn entering the feeding cover 6 is acted on by the threshing teeth 30 under the rotation of the rotating roller 3, thereby completing the threshing with high threshing efficiency.

The frame 1 is connected to a feeding cover 6 with a cover provided on the upper part of the rotating roller 3 , and a baffle plate 60 is rotatably connected to the feeding port of the feeding cover 6 by a latch, and a crank handle 61 is provided on the outer side of the frame 1 , and the crank handle 61 is connected to the baffle plate 60 .

When in use, the whole corn is put into the feeding cover 6 from the feeding port. In order to prevent the rotating roller 3 from rotating and causing the corn threshing feeding cover 6, the baffle plate 60 is provided. The cross section of the baffle plate 60 is arc-shaped and bent toward one side of the rotating roller 3.

In addition, the threshing plate 4 is in an upwardly concave arc shape, which prevents corn kernels from falling outside the device, wherein the corn kernels fall out of the through holes 40 provided on the threshing plate 4, and the corn cobs are blocked in the feeding cover 6, which is convenient for subsequent removal.

The frame 1 is also provided with a first guide plate 71 and a second guide plate 72 located at the lower part of the threshing plate 4. The corn kernels falling from the threshing plate 4 pass through the first guide plate 71, slide to the second guide plate 72, and are guided into the auger 5 by the second guide plate 72.

The second guide plate 72 is provided with a plurality of ventilation holes (not shown).

As shown in FIG. 1 , one end of the rotating roller 3 is connected to the motor 2 through a belt 20 , and the other end of the rotating roller 3 is connected to the auger 5 and the dust removal mechanism through the belt 20 .

The thresher adopts the motor 2 as the driving source, which not only directly drives the rotating roller 3 to rotate to complete the threshing work, but also connects the other end of the rotating roller 3 with the auger and the dust removal mechanism with two belts 20, so that multiple parts are linked together, and the structure is more reasonable and compact.

Specifically, as shown in FIG. 3 , the dust removal mechanism includes a rotating shaft 80 and a plurality of paddles 81 connected to the rotating shaft 80 in a circumferential direction.

The arrangement of the first guide plate 71 and the second guide plate 72 allows for cleaner threshing. The first guide plate 71 and the second guide plate 72 are respectively connected to the rear and front portions of the threshing plate 4. The fallen and mixed corn ears and their impurities are dispersed by at least one of the first guide plate 71 and the second guide plate 72 which are arranged obliquely. The lighter corn ears and their impurities are blown away by the airflow stirred by the paddles 81, while the heavier corn kernels slide to the auger along the second guide plate 72 and are collected from the side of the machine.

Rollers 9 are arranged at the bottom of the frame 1, and the thresher can be moved more conveniently through the rollers 9 to facilitate threshing operations.

The above are only embodiments of the utility model. The common sense such as the known specific structures and characteristics in the scheme is not described in detail here. The ordinary technicians in the relevant field are aware of all the common technical knowledge in the technical field to which the utility model belongs before the application date or priority date, can obtain all the existing technologies in the field, and have the ability to apply the conventional experimental means before that date. The ordinary technicians in the relevant field can improve and implement the scheme in combination with their own abilities under the enlightenment given by this application. Some typical known structures or known methods should not become obstacles for the ordinary technicians in the relevant field to implement this application. It should be pointed out that for the technicians in this field, without departing from the structure of the utility model, several deformations and improvements can be made, which should also be regarded as the protection scope of the utility model, and these will not affect the effect of the implementation of the utility model and the practicality of the patent.

Claims (8)

1. A corn thresher, comprising:

the rack is connected with a motor;

The rotating roller is connected with the motor, and a plurality of threshing teeth are arranged on the periphery of the rotating roller;

the threshing plate is arranged at the lower part of the rotating roller and provided with a plurality of through holes;

the auger is arranged at the lower part of the threshing plate and is connected with the frame; and

The dust removing mechanism is arranged at the lower part of the threshing plate, and the dust removing mechanism guides airflow to act on the surface of the corn kernels in the process that the corn kernels slide to the auger.

2. A corn thresher as claimed in claim 1, wherein: the feeding device is characterized in that a feeding cover covered on the upper part of the rotating roller is connected to the frame, a material baffle is connected to the feeding hole of the feeding cover, a rocking handle is arranged on the outer side of the frame, and the rocking handle is connected with the material baffle.

3. A corn thresher as claimed in claim 1 or claim 2, wherein: the threshing plate is in an upward concave arc shape.

4. A corn thresher as claimed in claim 3, wherein: the corn kernels falling from the threshing plate slide to the second material guide plate through the first material guide plate and are guided into the auger by the second material guide plate.

5. The corn thresher of claim 4, wherein: and a plurality of ventilation holes are formed in the second material guide plate.

6. A corn thresher as claimed in claim 1, 2 or 4, wherein: one end of the rotating roller is connected with the motor through a belt, and the other end of the rotating roller is respectively connected with the auger and the dust removing mechanism through the belt.

7. The corn thresher of claim 6, wherein: the dust removing mechanism comprises a rotating shaft and a plurality of paddles connected to the circumference of the rotating shaft.

8. A corn thresher as claimed in claim 1, wherein: the bottom of the frame is provided with rollers.