CN213907561U

CN213907561U - Corn thresher

Info

Publication number: CN213907561U
Application number: CN202022697767.8U
Authority: CN
Inventors: 王旖旎
Original assignee: Hunan Environment Biological Polytechnic
Current assignee: Hunan Environment Biological Polytechnic
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-08-10
Anticipated expiration: 2030-11-20

Abstract

The utility model provides a corn thresher, belonging to the technical field of agricultural machinery and solving the problems of how to rapidly thresh and reduce noise and remove dust; the grain threshing device comprises a feeding hopper, a grain threshing device, a screening device, a driving motor and an air suction fan, wherein the feeding hopper is connected with the upper end of the grain threshing device, the grain threshing device comprises a first grain threshing cylinder and a second grain threshing cylinder, belt pulleys are fixed on the outer sides of the first grain threshing cylinder and the second grain threshing cylinder, and the driving motor drives the grain threshing cylinders to rotate through belts; the lower end of the threshing device is connected with a second bearing, the second bearing is fixed on a rack in a shell, the screening device is arranged below the second bearing, a corn kernel discharge hole is arranged below the screening device, an air suction fan is connected with a dust removal cloth bag, and a corn cob discharge chute is arranged at the lower end of the dust removal cloth bag; an operator can continuously place corns and drive the two threshing cylinders to rotate by the driving motor so as to realize quick threshing; the threshing cylinder is internally provided with the threshing lug, so that the corn is more fully threshed; and (4) separating the corn kernels from impurities by adopting a screening device.

Description

Corn thresher

Technical Field

The utility model belongs to the technical field of agricultural machine, a agricultural production instrument is related to, especially a corn thresher.

Background

In agricultural production, corn threshing is one of the most common agricultural labor modes, and corn threshing is a heavy agricultural labor mode. In the existing corn thresher, the mode of feeding one by one and threshing for many times is adopted, the threshing speed is low, and the effect is not ideal.

Through search, as disclosed in chinese patent literature, a corn thresher [ application number: CN 201821008373.3; publication No.: CN208462425U ]. Including shell main part, driving motor and hollow out construction's threshing cylinder, be provided with the supplementary threshing cylinder that is hollow out construction between shell main part and the threshing cylinder, supplementary threshing cylinder inner wall corresponds threshing cylinder and is provided with threshing rubber ring, and the side of maize discharge port communicates with each other and is connected with the extraction pipe, and the rethread is one by one sent the maize to beat a device and realize beating a effect.

Although the corn thresher disclosed in the patent solves the problem of corn threshing, the design structure is too simple, the corn threshing speed is low, the efficiency is low, the generated noise is large, and more dust is generated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems in the prior art and providing a corn thresher, which solves the technical problems that: how to solve the problem of reducing noise while threshing corn quickly.

The purpose of the utility model can be realized by the following technical proposal:

a corn thresher comprises a feeding hopper, a threshing device, a screening device, a shell, a driving motor and an air suction fan, wherein the feeding hopper is connected with the upper end of the threshing device through a first bearing; the lower end of the grain beating device is connected with a second bearing, and the second bearing is fixed on a rack in the shell; the screening device is arranged below the second bearing, the upper end of the screening device is fixed on the baffle, and the lower end of the baffle is provided with a corn kernel discharging hole; the driving motor is fixed on the connecting frame, and the connecting frame is welded on the shell; the air suction fan is fixed on the frame in the shell and is connected with the dust removal cloth bag through a plastic hose, and the lower end of the dust removal cloth bag is provided with a corncob discharge chute.

The utility model discloses a theory of operation is: the corn cobs are continuously fed from the feeding hopper by an operator, the corn cobs enter the threshing device from the feeding hopper, and the upper corn cobs press and feed the lower corn cobs downwards in the process of downward force application by the operator; a driving motor passes through the belt pulley and drives a first section of thick bamboo of threshing and a second section of thick bamboo of threshing and rotates, make the corn-on-cob thresh, the threshing product has the kernel of corn, impurity such as corncob, threshing product whereabouts in-process, dust and impurity are inhaled and are discharged in the dust removal sack by suction fan through thin screen cover, kernel of corn and corncob fall on screening plant, the kernel of corn falls down from the clearance between screening plant's the round steel, and discharge from the kernel of corn discharge opening, the corncob rolls from the screening plant left side, fall out from the corncob blown down tank always.

The belt pulley is provided with a belt installation groove, and the belt is installed on the belt installation groove.

The inner wall of the grain beating device is provided with a plurality of grain beating convex blocks which are distributed in a circumferential array.

By adopting the structure, the grain beating is sufficient, and the fast grain beating is realized.

And a fine mesh enclosure is arranged on the right side of the air suction fan, and the aperture of the fine mesh enclosure is smaller than the size of the corn kernels.

By adopting the structure, the corn kernels are prevented from being sucked into the suction fan, and the yield of the corn kernels is not influenced.

The inner side of the machine shell is provided with sound absorption cotton.

By adopting the structure, the noise generated by the machine is absorbed, and the noise pollution is reduced.

Screening plant is the slope and places, and the corncob blown down tank setting is in the screening plant left side, and the kernel of corn discharge opening setting is on the screening plant right side.

Structure more than adopting, the kernel of corn flows from the right side kernel of corn discharge opening, and the corncob rolls from the left side corncob blown down tank and falls out, separates kernel of corn and impurity, has reduced operator's intensity of labour.

Screening plant is formed by the round steel welding, and the round steel equidistance distributes, and the interval between the round steel will be less than the diameter of corncob, is greater than the size of kernel of corn simultaneously.

By adopting the structure, the corn kernels can fall down from the round steel, and the corn cobs can roll down on the screening device.

Compared with the prior art, the corn thresher has the following advantages:

1. the operator can continuously place the maize, and driving motor drives two and beats a section of thick bamboo and thresh fast, does not have the process of waiting for, and the grain speed of going out is fast, has improved work efficiency.

2. The grain threshing cylinder is internally provided with the grain threshing convex block, so that the corn is more sufficient in the threshing process, and the corn kernels are prevented from remaining on the corncobs, and the waste of grains is avoided.

3. Adopt screening plant and induced draft fan, receive the material stably, kernel of corn and impurity separation do not need the manual impurity of getting rid of again of the manual work.

4. The sound-absorbing cotton is adopted, so that the noise generated by a machine is absorbed, and the noise pollution is reduced.

5. The grain beating device, the driving motor, the air suction fan, the screening device and other devices in the casing are compact in design, and the machine is small and exquisite in whole, attractive and easy to move.

Drawings

FIG. 1 is a cross-sectional view of a corn thresher;

FIG. 2 is a structural view of a threshing device of a corn thresher;

FIG. 3 is a view showing the structure of a sieving device of a corn thresher;

in the figure: 1-a feeding hopper, 2-a first bearing, 3-a threshing device, 301-a threshing lug, 302-a first threshing cylinder, 303-a second threshing cylinder, 4-a belt pulley, 401-a belt mounting groove, 5-a second bearing, 6-a screening device, 601-round steel, 7-a baffle, 8-a corn grain discharge hole, 9-a shell, 10-sound absorbing cotton, 11-a driving motor, 12-a connecting plate, 13-an air suction fan, 14-a plastic hose, 15-a fine mesh enclosure, 16-a dust removal cloth bag and 17-a corn cob discharge groove.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar 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 only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of 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 not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-3, the embodiment provides a corn thresher, which includes a feeding hopper 1, a threshing device 3, a screening device 6, a housing 9, a driving motor 11 and an air suction fan 13, wherein the feeding hopper 1 is connected with the upper end of the threshing device 3 through a first bearing 2, the threshing device 3 includes a first threshing cylinder 302 and a second threshing cylinder 303, belt pulleys 4 are fixed on the outer sides of the first threshing cylinder 302 and the second threshing cylinder 303, the driving motor 11 is connected with the first threshing cylinder 302 through a belt, and the second threshing cylinder 303 is connected with the first threshing cylinder 302 through a belt; the lower end of the granulating device 3 is connected with a second bearing 5, and the second bearing 5 is fixed on a rack in the shell 9; the screening device 6 is arranged below the second bearing 5, the upper end of the screening device 6 is fixed on the baffle 7, and the lower end of the baffle 7 is provided with a corn kernel discharging hole 8; the driving motor 11 is fixed on the connecting frame 12, and the connecting frame 12 is welded on the shell 9; the suction fan 13 is fixed on a frame in the shell 9, the suction fan 13 is connected with a dust removal cloth bag 16 through a plastic hose 14, and a corncob discharge chute 17 is arranged at the lower end of the dust removal cloth bag 16.

The pulley 4 is provided with a belt installation groove 401 on which a belt is installed.

And a fine mesh cover 15 is arranged on the right side of the air suction fan 13, and the aperture of the fine mesh cover 15 is smaller than the size of the corn kernels.

The inner wall of the granulating device 3 is provided with a plurality of granulating convex blocks 301, and the granulating convex blocks 301 are distributed in a circumferential array.

The inner side of the machine shell 9 is provided with sound absorption cotton 10.

Screening plant 6 is the slope and places, and corncob blown down tank 17 sets up in screening plant 6 left sides, and kernel of corn discharge opening 8 sets up on screening plant 6 right sides.

Screening plant 6 is formed by the welding of round steel 601, and round steel 601 equidistance distributes, and 601 interval between the round steel will be less than the diameter of corncob, is greater than the size of kernel of corn simultaneously.

The utility model has the working principle that the operator holds the corn cobs by hand and continuously feeds the corn cobs from the feeding hopper 1, the corn cobs enter the threshing device 3 from the feeding hopper 1, and the operator holds the corn cobs by hand and presses and feeds the lower corn cobs downwards in the downward force application process; the driving motor 11 drives the first threshing cylinder 302 and the second threshing cylinder 303 to rotate through the belt pulley 4, a plurality of threshing lugs 301 are arranged in the threshing device 3, the corn cobs start to be threshed under the extrusion of the threshing lugs 301 in the threshing device 3, the threshed products comprise corn cobs, corn cobs and impurities, in the falling process of the threshed products, the impurities such as dust and the like are sucked by the suction fan 13 through the fine mesh enclosure 15 and are discharged into the dust removal cloth bag 16, the corn cobs and the corn cobs fall on the screening device 6, the screening device 6 is equidistantly distributed with a plurality of round steel 601, the distance between the round steel 601 and the round steel 601 is smaller than the diameter of the corn cobs and larger than the size of the corn cobs, the corn cobs fall from the gaps between the round steel 601 of the screening device 6 due to gravity and are discharged from the corn cob discharge holes 8, the corn cobs roll leftwards from the screening device 6 due to always fall from the corn cob discharge grooves 16, most of the noise generated by the driving motor 11, the threshing device 3 and the suction fan 13 is absorbed by the sound-absorbing cotton 10 on the inner side of the machine shell 9, so that the noise reduction effect is realized.

The utility model provides a corn thresher, an operator can continuously place corn, a driving motor drives two threshing cylinders to rapidly thresh without waiting process, the threshing speed is high, and the working efficiency is improved; the threshing cylinder is internally provided with the threshing lug, so that the corn is more fully threshed, and the corn kernels are prevented from remaining on the corncobs, and the waste of grains is avoided; the screening device and the air suction fan are adopted, so that the material collection is stable, the corn kernels are separated from impurities, and the impurities do not need to be manually removed; the noise that the machine produced has been absorbed in the cotton design of sound of adoption, and the device designs such as the device of threshing in the casing, driving motor, induced draft fan and screening plant are compact, and this machine is whole small and exquisite pleasing to the eye, easily removes.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A corn thresher comprises a feeding hopper (1), a threshing device (3), a screening device (6), a shell (9), a driving motor (11) and an air suction fan (13), and is characterized in that the feeding hopper (1) is connected with the upper end of the threshing device (3) through a first bearing (2), the threshing device (3) comprises a first threshing barrel (302) and a second threshing barrel (303), belt pulleys (4) are fixed on the outer sides of the first threshing barrel (302) and the second threshing barrel (303), the driving motor (11) is connected with the first threshing barrel (302) through a belt, and the second threshing barrel (303) is connected with the first threshing barrel (302) through a belt; the lower end of the granulating device (3) is connected with a second bearing (5), and the second bearing (5) is fixed on a rack in the shell (9); the screening device (6) is arranged below the second bearing (5), the upper end of the screening device (6) is fixed on the baffle (7), and the lower end of the baffle (7) is provided with a corn grain discharge hole (8); the driving motor (11) is fixed on the connecting frame (12), and the connecting frame (12) is welded on the shell (9); the air suction fan (13) is fixed on a frame in the shell (9), the air suction fan (13) is connected with a dust removal cloth bag (16) through a plastic hose (14), and a corncob discharge chute (17) is arranged at the lower end of the dust removal cloth bag (16).

2. The corn thresher of claim 1, wherein the pulley (4) is provided with a belt mounting groove (401), and the belt is mounted on the belt mounting groove (401).

3. The corn thresher according to claim 1, wherein a fine mesh enclosure (15) is provided to the right of the suction fan (13), and the aperture of the fine mesh enclosure (15) is smaller than the size of the corn kernels.

4. The corn thresher according to claim 1, wherein the inner wall of the threshing device (3) is provided with a plurality of threshing projections (301), and the threshing projections (301) are distributed in a circumferential array.

5. A corn thresher according to claim 1, characterized in that sound absorbing cotton (10) is arranged inside the housing (9).

6. The corn thresher according to claim 1, wherein the screening device (6) is disposed in a slope, the corncob discharging chute (17) is disposed at the left side of the screening device (6), and the kernel discharging hole (8) is disposed at the right side of the screening device (6).

7. The corn thresher according to claim 1, wherein said screening device (6) is welded from round bars (601), said round bars (601) being equidistantly spaced, the spacing between said round bars (601) being smaller than the diameter of the corn cob and larger than the size of the corn kernel.