CN107952682B

CN107952682B - Adjustable grain winnowing device

Info

Publication number: CN107952682B
Application number: CN201711238545.6A
Authority: CN
Inventors: 朱会平; 赵龙
Original assignee: Jieshou Xinlong Grain & Oil Machining Co ltd
Current assignee: Jieshou Xinlong Grain & Oil Machining Co ltd
Priority date: 2017-11-30
Filing date: 2017-11-30
Publication date: 2020-12-18
Anticipated expiration: 2037-11-30
Also published as: CN107952682A

Abstract

The invention discloses an adjustable grain winnowing device, and relates to the technical field of grain processing equipment. The invention comprises a frame; the top surface of the frame is provided with an outer cylinder; an inner cylinder is arranged in the outer cylinder; a cavity is formed between the outer cylinder and the inner cylinder; a plurality of adhesive plates are uniformly and movably inserted into the side surface of the outer cylinder; one end of the adhesive plate is abutted against the outer surface of the inner cylinder; the bottom end of the inner cylinder penetrates through the frame and is connected with a discharge pipe; a plurality of air outlets are arranged on the side surface of the inner cylinder in a matching way; an air conveying pipe is arranged in the inner cylinder; a plurality of groups of air outlet pipes are uniformly arranged on the outer surface of the air delivery pipe; the top end of the inner cylinder is provided with an adjusting mechanism; the top of the adjusting mechanism is connected with a feed hopper. The outer cylinder and the inner cylinder are mutually matched and connected and are provided with the adjusting mechanism, so that the winnowing effect is effectively improved, the production quality of grains is ensured, and the use cost of products is reduced.

Description

Adjustable grain winnowing device

Technical Field

The invention belongs to the technical field of grain processing equipment, and particularly relates to an adjustable grain winnowing device.

Background

The principle of the grain winnower is that according to the aerodynamic principle, the lighter impurities are blown out from an impurity outlet by a fan according to the difference of the density of light and heavy materials, and the heavier finished grains fall under the action of gravity. Thereby realizing the separation of grains and impurities. In the prior art, when the grain winnowing machine winnows grains, the grains are usually poured from a feeding hole at one time, and then the grains are winnowed by a winnowing mechanism. This kind of design structure is too big because density when the corn passes through air separation mechanism, leads to still remaining a large amount of impurity in the cereal after the selection by winnowing to accomplish, and the selection by winnowing effect is relatively poor, if repeated carries out the selection by winnowing to same cereal, leads to use cost to multiply again to operating personnel's intensity of labour has been increased.

Disclosure of Invention

The invention aims to provide an adjustable grain winnowing device, which solves the problems that the conveying and discharging amount of grains cannot be adjusted and the effect of winnowing is poor in the prior art by mutually matching and connecting an outer cylinder and an inner cylinder and arranging an adjusting mechanism.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to an adjustable grain winnowing device, which comprises a frame; the top surface of the rack is provided with an outer cylinder; an inner cylinder is arranged in the outer cylinder; a cavity is formed between the outer cylinder and the inner cylinder; a plurality of adhesive plates are uniformly and movably inserted into the side surface of the outer barrel; one end of the adhesive plate is abutted against the outer surface of the inner cylinder; the bottom end of the inner cylinder penetrates through the rack and is connected with a discharge pipe; a plurality of air outlets are formed in the side surface of the inner cylinder in a matched manner; an air delivery pipe is arranged in the inner cylinder; a plurality of groups of air outlet pipes are uniformly arranged on the outer surface of the air delivery pipe; the top end of the inner cylinder is provided with an adjusting mechanism; the top of the adjusting mechanism is connected with a feed hopper.

Furthermore, the bottom of the air delivery pipe is connected with a positive pressure air inlet pipe; one end of the positive pressure air inlet pipe penetrates through the inner barrel and extends to the outside.

Further, the adjusting mechanism comprises a connecting cylinder, a driving bevel gear and a fixing block; two ends of the connecting cylinder are respectively connected with the inner cylinder and the feed hopper; the driving bevel gear is of an annular structure; the driving bevel gear is sleeved on the periphery of the connecting cylinder in a sliding manner; the bottom end of the fixed block is fixedly connected with the air delivery pipe; the air delivery pipe is of a polygonal structure; each side surface of the fixed block is rotatably connected with a fan blade; a rotating shaft is fixedly connected to the surface of the fixing block; one end of the rotating shaft penetrates through the side wall of the connecting cylinder and is provided with a driven bevel gear; the driven bevel gear is meshed with the driving bevel gear.

Further, a vibrator is arranged on the outer side surface of the feed hopper; the vibrator adopts an air vibrator or an electromagnetic vibrator.

Furthermore, the central axis of the air outlet pipe is tangent to the inner surface of the air delivery pipe; one end of the air outlet pipe is right opposite to the air outlet.

Furthermore, the positions of the air outlet pipes correspond to the positions of the fan blades.

Further, the adjusting mechanism further comprises a protective sleeve and an adjusting ring; the protective sleeve is sleeved on the outer side surface of the connecting cylinder in a matching manner; the adjusting ring is of an annular structure; the adjusting ring is fixedly connected to the bottom of the driving bevel gear.

Furthermore, a screen is arranged in the bottom of the inner barrel.

The invention has the following beneficial effects:

1. the invention adjusts the density of the grain feeding amount during air separation by arranging the adjusting mechanism, effectively improves the air separation effect, ensures the production quality of grains and reduces the use cost of products.

2. The air outlet pipe is correspondingly arranged on the air conveying pipe, so that the impurity removing effect is effectively improved, the adhering plate is arranged, the air flow forms annular air flow in the cavity between the outer barrel and the inner barrel, the impurities are effectively and firmly adhered to the adhering plate, and the practical value of the product is improved.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of an adjustable grain winnowing device according to the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic view of an adjusting mechanism of an adjustable grain winnowing device according to the present invention;

FIG. 4 is a front view of the structure of FIG. 3;

fig. 5 is a top view of the structure of fig. 3.

In the drawings, the components represented by the respective reference numerals are listed below:

1-frame, 2-outer cylinder, 3-inner cylinder, 4-air conveying pipe, 5-adjusting mechanism, 6-feed hopper, 201-adhesive plate, 301-discharge pipe, 302-air outlet, 303-screen, 401-air outlet pipe, 402-positive pressure air inlet pipe, 501-connecting cylinder, 502-driving bevel gear, 503-fixed block, 504-fan blade, 505-rotating shaft, 506-driven bevel gear, 507-protective sleeve, 508-adjusting ring and 601-vibrator.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.

Referring to fig. 1-5, the present invention is an adjustable grain winnowing device, which comprises a frame 1; the top surface of the frame 1 is provided with an outer cylinder 2; an inner barrel 3 is arranged in the outer barrel 2; a cavity is formed between the outer cylinder 2 and the inner cylinder 3; five adhesive plates 201 are uniformly and movably inserted into the side surface of the outer cylinder 2; one end of the adhesive plate 201 abuts against the outer surface of the inner cylinder 3.

Wherein, the bottom end of the inner cylinder 3 penetrates through the frame 1 and is connected with a discharge pipe 301.

Wherein, the side of the inner cylinder 3 is provided with five air outlets 302 in a matching way.

Wherein, as shown in figure 1-2, an air duct 4 is arranged in the inner cylinder 3; seventeen groups of air outlet pipes 401 are uniformly arranged on the outer surface of the air delivery pipe 4;

as shown in fig. 1, the top end of the inner cylinder 3 is provided with an adjusting mechanism 5; the top of the adjusting mechanism 5 is connected with a feed hopper 6.

Wherein, the bottom of the air delivery pipe 4 is connected with a positive pressure air inlet pipe 402; one end of the positive pressure inlet pipe 402 extends through the inner cylinder 3 to the outside.

As shown in fig. 3 to 5, the adjusting mechanism 5 includes a connecting cylinder 501, a drive bevel gear 502, and a fixing block 503; two ends of the connecting cylinder 501 are respectively connected with the inner cylinder 3 and the feed hopper 6; the drive bevel gear 502 is an annular structure; the driving bevel gear 502 is sleeved on the periphery of the connecting cylinder 501 in a sliding manner; the bottom end of the fixed block 503 is fixedly connected with the air delivery pipe 4; the air delivery pipe 4 is of a pentagonal structure; each side surface of the fixed block 503 is rotatably connected with a fan blade 504; a rotating shaft 505 is fixedly connected to one surface of the fixed block 503; one end of the rotating shaft 505 penetrates through the side wall of the connecting cylinder 501 and is provided with a driven bevel gear 506; the driven bevel gear 506 is engaged with the drive bevel gear 502.

Wherein, the outer side surface of the feed hopper 6 is provided with a vibrator 601; the vibrator 601 adopts an electromagnetic vibrator, so that the vibration effect is effectively ensured.

Wherein the central axis of the air outlet pipe 401 is tangent to the inner surface of the air delivery pipe 4; one end of the air outlet pipe 401 is opposite to the air outlet 302.

Wherein, the position of the air outlet pipe 401 corresponds to the position of the fan blade 504.

Wherein, the adjusting mechanism 5 further comprises a protective sleeve 507 and an adjusting ring 508; the protective sleeve 507 is sleeved on the outer side surface of the connecting cylinder 501 in a matching manner; the adjustment ring 508 is an annular structure; the adjusting ring 508 is fixedly connected to the bottom of the bevel drive gear 502.

Wherein, be equipped with screen cloth 303 in the inner tube 3 bottom, separate large granule impurity and corn.

One specific application of this embodiment is: by pouring grains into the feed hopper 6 and rotating the adjusting ring 508, gaps are formed between the fan blades 504, and grains fall into the inner cylinder 3 from the gaps; one end of the positive pressure air inlet pipe 402 is connected with a positive pressure fan, the inner cavity of the air conveying pipe 4 is in a positive pressure state, the air outlet pipe 401 blows impurities in grains to the adhesive plate 201 from the air outlet 302, and annular air flow is formed in a cavity between the outer barrel 2 and the inner barrel 3; after the air separation is finished, the adhering plate 201 is pulled out to sweep away impurities.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. An adjustable grain winnowing device comprises a frame (1); the method is characterized in that:

the top surface of the frame (1) is provided with an outer cylinder (2); an inner cylinder (3) is arranged in the outer cylinder (2); a cavity is formed between the outer cylinder (2) and the inner cylinder (3); a plurality of adhesive plates (201) are uniformly and movably inserted into the side surface of the outer barrel (2); one end of the adhesive plate (201) is abutted against the outer surface of the inner cylinder (3);

wherein, the bottom end of the inner cylinder (3) penetrates through the frame (1) and is connected with a discharge pipe (301);

wherein, a plurality of air outlets (302) are arranged on the side surface of the inner cylinder (3) in a matching way;

an air delivery pipe (4) is arranged in the inner cylinder (3); a plurality of groups of air outlet pipes (401) are uniformly arranged on the outer surface of the air delivery pipe (4);

the top end of the inner cylinder (3) is provided with an adjusting mechanism (5); the top of the adjusting mechanism (5) is connected with a feed hopper (6);

the bottom of the air delivery pipe (4) is connected with a positive pressure air inlet pipe (402); one end of the positive pressure air inlet pipe (402) penetrates through the inner barrel (3) and extends to the outside; the adjusting mechanism (5) comprises a connecting cylinder (501), a driving bevel gear (502) and a fixed block (503); two ends of the connecting cylinder (501) are respectively connected with the inner cylinder (3) and the feed hopper (6); the drive bevel gear (502) is of an annular structure; the driving bevel gear (502) is sleeved on the periphery of the connecting cylinder (501) in a sliding manner;

the bottom end of the fixed block (503) is fixedly connected with the air delivery pipe (4); the air delivery pipe (4) is of a polygonal structure; each side surface of the fixed block (503) is rotatably connected with a fan blade (504); one surface of the fixed block (503) is fixedly connected with a rotating shaft (505);

one end of the rotating shaft (505) penetrates through the side wall of the connecting cylinder (501) and is provided with a driven bevel gear (506); the driven bevel gear (506) is meshed with the driving bevel gear (502);

a vibrator (601) is arranged on the outer side surface of the feed hopper (6); the vibrator (601) adopts an air vibrator or an electromagnetic vibrator;

the central axis of the air outlet pipe (401) is tangent to the inner surface of the air delivery pipe (4); one end of the air outlet pipe (401) is opposite to the air outlet (302); the positions of the air outlet pipes (401) correspond to the positions of the fan blades (504);

the adjusting mechanism (5) further comprises a protective sleeve (507) and an adjusting ring (508); the protective sleeve (507) is sleeved on the outer side surface of the connecting cylinder (501) in a matching manner; the adjusting ring (508) is of an annular structure; the adjusting ring (508) is fixedly connected to the bottom of the drive bevel gear (502); the bottom of the inner barrel (3) is internally provided with a screen (303).