CN220836678U - Airflow screening machine with filtering structure - Google Patents

Abstract

The utility model discloses an airflow screening machine with a filtering structure, wherein a screening box and a screening net barrel are of long cylindrical structures, the screening net barrel is sleeved in the screening box, a plurality of separation plates are arranged between the screening box and the screening net barrel and are uniformly distributed along the length direction of the screening box, the screening box is divided into a plurality of screening areas, the sizes of meshes of the screening net barrels in the screening areas are different and become larger in sequence, the bottom of the screening box is provided with a material outlet corresponding to each screening area, a main shaft is rotatably arranged in the screening net barrel, a plurality of wind wheels are fixedly arranged on the main shaft, and the number of the wind wheels corresponds to the number of the screening areas. The screening box and the screening net drum are of multi-section structures, and the mesh size is gradually increased, so that material particles can be screened out gradually from small to large, multi-stage separation is realized, the structure is simple, and the use is convenient.

Description

Airflow screening machine with filtering structure

Technical Field

The utility model relates to the field of screening mechanical equipment, in particular to an airflow screening machine with a filtering structure.

Background

The airflow screening machine utilizes the speed and direction of airflow to screen the material.

The airflow screening machine in the prior art comprises a screening box, a feeding system, a screening net drum, a rotating shaft and a wind wheel, wherein the screening net drum is arranged in the screening box, the feeding system is positioned at the feeding end of the screening net drum, the wind wheel is fixed on the rotating shaft and is coaxially arranged with the screening net drum, the rotating shaft and the wind wheel rotate to generate airflow to drive materials to fly, fine materials are screened out through the screening net drum, coarse materials continue to advance and are discharged from a rear coarse material outlet, the structure is simple and convenient to use, but only two-stage screening can be realized, the screening net drum is fixed in meshes, multiple screening machines are required to be used for screening when multi-stage screening is needed, the use cost is increased, the materials are repeatedly fed and discharged, time and labor are wasted, and the use is inconvenient.

Disclosure of utility model

The utility model aims to solve the technical problems and provide the airflow screening machine with the filtering structure.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the utility model provides an air current screening machine with filtration, includes screening case, screening net section of thick bamboo, main shaft and wind wheel, screening case, screening net section of thick bamboo are long tubular structure, and screening net section of thick bamboo cup joints in screening incasement, is equipped with a plurality of division boards between screening case and the screening net section of thick bamboo, and a plurality of division boards are along screening case length direction evenly distributed, separate into a plurality of screening subregions with screening case, and screening net section of thick bamboo mesh size is all inequality in a plurality of screening subregions, and grow in proper order, screening case bottom all is equipped with the material export corresponding to every screening subregion, and the main shaft rotates and sets up in screening net section of thick bamboo, and the wind wheel is fixed to be set up on the main shaft, its number corresponds with the number in screening subregion.

Further, the screening case both ends are equipped with feed mechanism and coarse fodder export respectively, feed mechanism includes feeder hopper and material loading machine, the export of material loading machine extends to in the feeder hopper, the export of feeder hopper extends to in the screening net section of thick bamboo.

Further, the end part of the screening box is provided with an air inlet, and the air inlet corresponds to the inlet end part of the screening net drum.

Further, one end of the screening box, which is far away from the air inlet, is provided with a driving motor for driving the main shaft to rotate.

Further, the screening net barrel is rotationally connected with the screening box and the partition plate, and a plurality of cleaning windows are arranged on the screening box.

Compared with the prior art, the utility model has the advantages that: the screening box and the screening net drum are of multi-section structures, and the mesh size is gradually increased, so that material particles can be screened out gradually from small to large, multi-stage separation is realized, the structure is simple, and the use is convenient.

Drawings

FIG. 1 is a schematic view of an airflow screen having a filter arrangement according to the present utility model.

Figure 2 is a side view of an airflow screen having a filter arrangement according to the present utility model.

FIG. 3 is a cross-sectional view of an airflow screen having a filter arrangement according to the present utility model taken along the direction A-A.

As shown in the figure: 1. a screening box; 2. screening net drums; 3. a main shaft; 4. a wind wheel; 5. a feed mechanism; 6. a partition plate; 7. a material outlet; 8. a coarse material outlet; 9. a feed hopper; 10. a feeding machine; 11. an air inlet; 12. a driving motor; 13. the window is cleaned.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the term "connected" should be interpreted broadly, and for example, it may be a fixed connection, a removable connection, or an integral connection; the specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The utility model provides an air current screening machine with filtration, including screening case 1, screening net section of thick bamboo 2, main shaft 3 and wind wheel 4, screening case 1, screening net section of thick bamboo 2 are long tubular structure, screening net section of thick bamboo 2 cup joints in screening case 1, be equipped with a plurality of division boards 6 between screening case 1 and the screening net section of thick bamboo 2, a plurality of division boards 6 are along screening case 1 length direction evenly distributed, divide into a plurality of screening subregions with screening case 1, the mesh size of screening net section of thick bamboo 2 is all inequality in a plurality of screening subregions, and grow in proper order, the material gets into screening net section of thick bamboo 2 in the back from small to big sieve in proper order, realize multistage separation, screening case 1 bottom all is equipped with material export 7 corresponding to every screening subregion, main shaft 3 rotates to set up in screening net section of thick bamboo 2, wind wheel 4 is fixed to be set up on main shaft 3, wind wheel 4 is equipped with a plurality ofly, its number and the number of screening district are corresponding to make the wind speed even, guarantee that the material is towards screening net section of thick bamboo 2 end under the air current drive.

The screening case 1 both ends are equipped with feed mechanism 5 and coarse fodder export 8 respectively, feed mechanism 5 includes feeder hopper 9 and material loading machine 10, the export of material loading machine 10 extends to in the feeder hopper 9, the export of feeder hopper 9 extends to screening net section of thick bamboo 2 in.

The outlet end of the screen drum 2 extends above the coarse material outlet 8.

Preferably, the feeder 10 is a vacuum powder delivery pump.

The end part of the screening box 1 is provided with an air inlet 11, and the air inlet 11 corresponds to the inlet end part of the screening net drum 2.

One end of the screening box 1 far away from the air inlet 11 is provided with a driving motor 12 for driving the spindle 3 to rotate.

The screening net drum 2 is rotationally connected with the screening box 1 and the partition plate 6, and can be fixed (a fixing structure is not drawn in the figure, a fixing pin and a limiting hole can be adopted for fixing, or other fixing modes can be adopted), a plurality of cleaning windows 13 are arranged on the screening box 1, and the cleaning windows 13 can be opened to clean the screening net drum 2 by using brushes, so that the screening net drum is prevented from being blocked after long-time use.

In the concrete implementation of the utility model, the materials are sent into the feed hopper and then fall into the screening net drum, the driving motor drives the main shaft to rotate, and then drives the wind wheel to rotate, and the materials are subjected to centrifugal force and cyclone propelling force simultaneously through the wind wheel blades in the screening net drum, so that the materials are sprayed to pass through the net, the materials which pass through the net are discharged from the material outlets corresponding to the bottom, the materials which cannot pass through the net continue to move towards the coarse material outlet end, the materials with different granularity are sequentially screened out, and finally coarse materials fall into the wall of the screening net and are discharged from the coarse material outlet, thereby achieving the purposes of high-efficiency separation and multi-stage screening.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims (5)

1. The utility model provides an air current screening machine with filtration, includes screening case (1), screening net section of thick bamboo (2), main shaft (3) and wind wheel (4), its characterized in that: screening case (1), screening net section of thick bamboo (2) are long tubular structure, screening net section of thick bamboo (2) cup joint in screening case (1), be equipped with a plurality of division boards (6) between screening case (1) and the screening net section of thick bamboo (2), a plurality of division boards (6) are along screening case (1) length direction evenly distributed, separate screening case (1) into a plurality of screening subregions, screening net section of thick bamboo (2) mesh size is all different in a plurality of screening subregions, and grow in proper order, screening case (1) bottom all is equipped with material export (7) corresponding to every screening subregion, main shaft (3) rotate and set up in screening net section of thick bamboo (2), wind wheel (4) are fixed to be set up on main shaft (3), wind wheel (4) are equipped with a plurality ofly, its number corresponds with the number in screening district.

2. An airflow screen apparatus having a filter arrangement as defined in claim 1, wherein: the screening box (1) both ends are equipped with feed mechanism (5) and coarse fodder export (8) respectively, feed mechanism (5) are including feeder hopper (9) and material loading machine (10), in the export of material loading machine (10) extends to feeder hopper (9), the export of feeder hopper (9) extends to screening net section of thick bamboo (2).

3. An airflow screen apparatus having a filter arrangement as defined in claim 1, wherein: the end part of the screening box (1) is provided with an air inlet (11), and the air inlet (11) corresponds to the inlet end part of the screening net drum (2).

4. A gas flow screen apparatus according to claim 3, wherein the apparatus comprises: one end of the screening box (1) far away from the air inlet (11) is provided with a driving motor (12) for driving the main shaft (3) to rotate.

5. An airflow screen apparatus having a filter arrangement as defined in claim 1, wherein: the screening net drum (2) is rotationally connected with the screening box (1) and the partition plate (6), and a plurality of cleaning windows (13) are arranged on the screening box (1).