CN220072428U - Wheat seed air float method sieving mechanism - Google Patents

Abstract

The utility model discloses a wheat seed air flotation screening device, which includes a main body, a feeding mechanism and a winnowing mechanism. The main body is in the form of a tank mechanism. The upper end of the main body is in an open shape. The feeding mechanism is arranged on At the upper end of the main body, the air separation mechanism includes an air blowing mechanism arranged below the main body. A collection cavity for collecting impurities is provided on the outside of the main body. The utility model is provided with a main body, a feeding mechanism and an air separation mechanism. Mechanism, the seeds are fed into the main body through the feeding mechanism. Under the action of the blowing mechanism, the gas is blown upward from the bottom of the main body. The lighter debris in the seeds will not fall under the action of the air flow, so that the larger seeds will not fall. The seeds are dropped from the outlet at the bottom of the main body to complete the screening of seeds. During the screening process, the size of impurities is not affected, the screening is more accurate, and the screening efficiency is high.

Description

Wheat seed air float method sieving mechanism

Technical Field

The utility model relates to the technical field of seed screening, in particular to a wheat seed air-floatation screening device.

Background

Seed screening and crop seed cleaning. And (3) screening out inclusions (clods, sand grains, different crop seeds, weed seeds, insect gall, palea shells and the like), blighted grains and small grain seeds in the seeds by using a seed screen with different screen mesh sizes and shapes, and selecting and retaining high-quality seeds with large, full and tidy grains, thereby improving the quality of the seeds.

Most of the existing screening modes are manual screening, seeds are screened through manual shaking of a screen, or the screen is driven to move through a machine, when the screening is carried out, the seeds to be selected are required to be gradually put into the screen for screening, the efficiency is low, and as the seeds to be selected are screened through sand, only objects smaller than the size of the screen holes are screened out, if the impurities such as shells and insect gall are large, the seeds cannot be screened out, and therefore the wheat seed air floatation screening device is provided.

Disclosure of Invention

The utility model aims to provide a wheat seed air floatation screening device so as to solve the problems in the background technology.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a wheat seed air float process sieving mechanism, includes main part, feed mechanism and selection by winnowing mechanism, the main part is jar body mechanism, the upper end of main part is the opening form, feed mechanism sets up the upper end of main part, selection by winnowing mechanism is including setting up in the mechanism of blowing of main part below, the outside of main part is equipped with the collection cavity that is used for collecting impurity.

According to the technical scheme, the side wall of the lower end of the main body is conical, and the center of the side wall of the main body is provided with the discharge hole in a penetrating manner.

According to the technical scheme, the blowing mechanism comprises an annular blowing cavity which is fixedly connected with the lower surface of the lower side wall of the main body, the annular blowing cavity is coaxially arranged with the main body, the lower side wall of the main body is provided with an annular groove in a penetrating manner, the inner surface of the annular groove is fixedly connected with the annular groove through a plurality of connecting rods which are arranged along the radial direction of the annular groove, and the upper surface of the annular groove is provided with an annular filter screen.

According to the technical scheme, the feeding mechanism comprises a feeding hopper fixedly connected above the main body, the side wall of the lower end of the feeding hopper is conical, the lower end of the feeding hopper is provided with a feeding hole, a rotating shaft is coaxially arranged at the feeding hole, and a spiral fan blade is fixedly connected to the outer peripheral surface of the rotating shaft.

According to the technical scheme, the discharge gate department is equipped with fixed sleeve, fixed sleeve with the coaxial setting of discharge gate, fixed sleeve's outer peripheral face fixedly connected with one end of connecting rod, the other end fixedly connected with of connecting rod is in on the inner peripheral face of discharge gate, the axis of rotation rotates and sets up fixed sleeve's inner surface department, the upper end coaxial coupling of axis of rotation has first bevel gear, the upper end of feeder hopper is through connecting block fixedly connected with connecting plate, the upper surface fixedly connected with driving motor of connecting plate, driving motor's output shaft fixedly connected with second bevel gear, first bevel gear with mesh between the second bevel gear.

According to the technical scheme, the upper end side wall of the main body is provided with the strip-shaped groove in a penetrating manner, the collecting cavity is annular and is fixedly connected to the position of the outer surface of the main body corresponding to the strip-shaped groove

Compared with the prior art, the utility model has the following beneficial effects: according to the utility model, the main body, the feeding mechanism and the winnowing mechanism are arranged, seeds are fed into the main body through the feeding mechanism, under the action of the blowing mechanism, air is blown out from the lower direction of the main body, and impurities with lighter mass in the seeds do not drop under the action of air flow, so that seeds with larger mass drop from the discharge hole at the bottom of the main body, the screening of the seeds is completed, the influence of the size of the impurities is not received in the screening process, the screening is more accurate, and the screening efficiency is high.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of a front cross-sectional structure of the present utility model;

FIG. 2 is a schematic top sectional view of the present utility model;

FIG. 3 is a schematic view of the structure of the main body and the feed hopper of the present utility model;

in the figure: the device comprises a 1-main body, a 2-collecting cavity, a 3-annular blowing cavity, a 4-annular groove, a 5-connecting rod, a 6-annular filter screen, a 7-feed hopper, an 8-feed inlet, a 9-rotating shaft, 10-spiral fan blades, 11-fixed sleeves, 12-first bevel gears, 13-connecting plates, 14-driving motors and 15-second bevel gears.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides the following technical solutions: the utility model provides a wheat seed air float process sieving mechanism, includes main part 1, feed mechanism and selection by winnowing mechanism, as shown in fig. 1, main part 1 is jar body mechanism, the upper end of main part 1 is the opening form, feed mechanism sets up the upper end of main part 1, the seed is put into feed mechanism in advance, and the seed gets into the inside of main part 1 under feed mechanism effect, selection by winnowing mechanism is including setting up in the air blowing mechanism of main part 1 below, the outside of main part 1 is equipped with the collection cavity 2 that is used for collecting impurity, and air blowing mechanism upwards blows by main part 1 bottom, and the seed that falls into in the main part 1 under this effort effect, the lighter impurity of seed can upwards move, and the heavier seed whereabouts, accomplish the screening to the seed;

specifically, the side wall of the lower end of the main body 1 is conical, a discharge hole is penetrated through the center of the lower side wall of the main body 1, seeds falling into the bottom of the main body 1 fall down from the discharge hole under the action of the conical lower side wall, and a supporting frame is arranged on the lower surface of the main body 1 to support the main body 1 for facilitating stable placement of the main body 1;

specifically, the air blowing mechanism comprises an annular air blowing cavity 3, the annular air blowing cavity 3 is fixedly connected to the lower surface of the lower side wall of the main body 1, the annular air blowing cavity 3 is coaxially arranged with the main body 1, an annular groove 4 is arranged on the lower side wall of the main body 1 in a penetrating manner, as shown in fig. 2, the annular groove 4 is coaxially arranged with the main body 1, the inner surface of the annular groove 4 is fixedly connected through a plurality of connecting rods 5 arranged along the radial direction of the annular groove 4, an annular filter screen 6 is arranged on the upper surface of the annular groove 4, the lower side wall of the main body 1 is connected into a whole under the action of the connecting rods 5, the annular groove 4 is oppositely arranged with the annular air blowing cavity 3, the side wall of the annular air blowing cavity 3 is connected with an air blowing pipe, air is blown into the annular air blowing cavity 3, and air is blown into the main body 1 through the annular groove 4, so that bottom-up air flow is formed;

specifically, the feeding mechanism comprises a feeding hopper 7 fixedly connected above the main body 1, as shown in fig. 1, the outer wall of the feeding hopper 7 is the same as the outer wall of the main body 1 in size, the feeding hopper 7 is coaxially arranged with the main body 1, a feeding port 8 is arranged at the lower end of the feeding hopper 7, the side wall of the lower end of the feeding hopper 7 is conical so that seeds in the feeding hopper 7 enter the main body 1 from the feeding port 8, a rotating shaft 9 is coaxially arranged at the feeding port 8, the peripheral surface of the rotating shaft 9 is fixedly connected with a spiral fan blade 10, seeds can be piled up in the feeding hopper 7 under the action of the spiral fan blade 10, the spiral fan blade 10 is driven to rotate by controlling the rotating shaft 9, the materials are controlled to slowly enter the main body 1, the screening effect is prevented from being influenced by excessive once entering materials, meanwhile, the materials slide down along the spiral fan blade 10 under the action of centrifugal force, and the materials are moved to the outer side under the action of centrifugal force, so that the airflow is convenient for screening the materials;

specifically, a fixed sleeve 11 is arranged at the discharge hole, the fixed sleeve 11 and the discharge hole are coaxially arranged, one end of a connecting rod is fixedly connected to the outer peripheral surface of the fixed sleeve 11, the other end of the connecting rod is fixedly connected to the inner peripheral surface of the discharge hole, a rotating shaft 9 is rotatably arranged at the inner surface of the fixed sleeve 11, the rotating shaft 9 is vertically arranged, a first bevel gear 12 is coaxially connected to the upper end of the rotating shaft 9, the upper end of a feed hopper 7 is fixedly connected with a connecting plate 13 through a connecting block, a driving motor 14 is fixedly connected to the upper surface of the connecting plate 13, a second bevel gear 15 is fixedly connected to an output shaft of the driving motor 14, the first bevel gear 12 is meshed with the second bevel gear 15, the second bevel gear 15 drives the first bevel gear 12, the rotating shaft 9 is driven to rotate by the first bevel gear 12, and the rotating shaft 9 controls the rotation of the spiral fan blade 10 to control feeding;

specifically, the upper end lateral wall of main part 1 runs through and is equipped with the bar groove, collection cavity 2 is annular, and collection cavity 2 fixed connection corresponds bar groove department at the surface of main part 1.

When the utility model is used, materials are placed in the feed hopper 7, the materials are piled up in the feed hopper 7, air is injected into the annular blowing cavity 3 through the air inlet pipe, the air is blown upwards from the bottom of the main body 1 through the annular groove 4 and the annular filter screen 6, the second bevel gear 15 is driven by the driving motor 14 to rotate, the first bevel gear 12 is driven by the second bevel gear 15, the rotating shaft 9 is driven by the first bevel gear 12 to rotate, the rotating shaft 9 controls the rotation of the spiral fan blade 10 to control feeding, the materials slide down along the spiral fan blade 10 after entering the main body 1, the materials move to the outer side of the main body 1 under the action of centrifugal force, lighter materials in the materials move upwards under the action of the air, the materials enter the collecting cavity 2 through the strip-shaped groove to finish collection, and the materials flow out from the discharge hole to finish screening.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. The utility model provides a wheat seed air float process sieving mechanism, includes main part (1), feed mechanism and selection by winnowing mechanism, its characterized in that: the novel air separation device is characterized in that the main body (1) is a tank mechanism, the upper end of the main body (1) is in an opening shape, the feeding mechanism is arranged at the upper end of the main body (1), the air separation mechanism comprises an air blowing mechanism arranged below the main body (1), and a collecting cavity (2) for collecting impurities is arranged outside the main body (1).

2. The wheat seed air flotation screening apparatus of claim 1, wherein: the side wall of the lower end of the main body (1) is conical, and a discharge hole is formed in the center of the lower side wall of the main body (1) in a penetrating manner.

3. A wheat seed air flotation screening apparatus according to claim 2, wherein: the air blowing mechanism comprises an annular air blowing cavity (3), the annular air blowing cavity (3) is fixedly connected to the lower surface of the lower side wall of the main body (1), the annular air blowing cavity (3) is coaxially arranged with the main body (1), an annular groove (4) is formed in the lower side wall of the main body (1) in a penetrating mode, the inner surface of the annular groove (4) is fixedly connected through a plurality of connecting rods (5) which are arranged along the radial direction of the annular groove (4), and an annular filter screen (6) is arranged on the upper surface of the annular groove (4).

4. A wheat seed air flotation screening apparatus according to claim 3, wherein: the feeding mechanism comprises a feeding hopper (7) fixedly connected above the main body (1), the side wall of the lower end of the feeding hopper (7) is conical, a feeding hole (8) is formed in the lower end of the feeding hopper, a rotating shaft (9) is coaxially arranged at the feeding hole (8), and a spiral fan blade (10) is fixedly connected to the outer peripheral surface of the rotating shaft (9).

5. The wheat seed air flotation screening apparatus of claim 4, wherein: the utility model discloses a feeding hopper, including fixed bolster, connecting plate, driving motor, connecting plate, first bevel gear (12), connecting plate (13) are equipped with in discharge gate department, fixed bolster (11) with the coaxial setting of discharge gate, the outer peripheral face fixedly connected with one end of connecting rod of fixed bolster (11), the other end fixedly connected with of connecting rod is in on the inner peripheral face of discharge gate, axis of rotation (9) rotate and set up the internal surface department of fixed bolster (11), the upper end coaxial coupling of axis of rotation (9) has first bevel gear (12), the upper end of feeder hopper (7) is through connecting block fixedly connected with connecting plate (13), the upper surface fixedly connected with driving motor (14) of connecting plate (13), the output shaft fixedly connected with second bevel gear (15) of driving motor (14), first bevel gear (12) with mesh between second bevel gear (15).

6. The wheat seed air flotation screening apparatus of claim 5, wherein: the upper end lateral wall of main part (1) runs through and is equipped with the bar groove, collection cavity (2) are annular, and collection cavity (2) fixed connection corresponds bar groove department at the surface of main part (1).