CN219597326U

CN219597326U - Screen cloth clearance anti-blocking device

Info

Publication number: CN219597326U
Application number: CN202320469949.0U
Authority: CN
Inventors: 吕宗源
Original assignee: Henan Winner Vibrating Equipment Co Ltd
Current assignee: Henan Winner Vibrating Equipment Co Ltd
Priority date: 2023-03-13
Filing date: 2023-03-13
Publication date: 2023-08-29
Anticipated expiration: 2033-03-13

Abstract

The utility model relates to a screen cleaning anti-blocking device, wherein a cross beam for supporting a screen is arranged below the screen; the inside of the cross beam is a cavity through which air flows can pass; the two ends of the cross beam are provided with air inlets which can feed air to the inside of the cross beam, and one side of the periphery, which is close to the screen, is provided with a plurality of air outlets which can blow air to the screen. The beam support under the screen is additionally provided with the air inlet and outlet devices, the surface of the beam is additionally provided with a plurality of air outlets, the high-pressure air flow passes through the hollow beam and then passes through a plurality of air outlets, and the stuck materials in the meshes of the screen are blown out, so that the effects of cleaning the screen and preventing blocking of the screen are achieved.

Description

Screen cloth clearance anti-blocking device

Technical Field

The utility model relates to the technical field of material screening, in particular to a screen cleaning anti-blocking device.

Background

In the prior art, the screening process is a key process in the industries of metallurgy, sand and stone materials, construction waste and mines. Along with the proposal of green and environment-friendly concepts, the requirements of various industries on environment protection, screening efficiency, energy conservation and the like are higher and higher, the land resources are tensioned, the field area is limited, and the screening device is higher.

When the existing fine materials are screened, the phenomena of blocking holes and the like of the materials are easy to cause due to small meshes of the screen, and the screening efficiency is seriously influenced. Typically, the screens need to be cleaned periodically, which is labor and time consuming.

Disclosure of Invention

In order to overcome the technical problems in the prior art, the utility model provides a screen cleaning anti-blocking device.

The technical scheme for solving the technical problems is as follows:

a screen cleaning anti-blocking device comprising:

a screen, a cross beam, an air inlet and an air outlet, wherein,

the cross beam supporting the screen is arranged below the screen; the inside of the cross beam is a cavity through which air flows can pass; the two ends of the cross beam are provided with air inlets which can feed air to the inside of the cross beam, and one side of the periphery, which is close to the screen, is provided with a plurality of air outlets which can blow air to the screen.

The screen is in a grid structure and is arranged obliquely at a preset angle according to the requirement; the crossbeam is arranged below the screen mesh and supports the weight of the screen mesh.

The cross beams are transversely or longitudinally arranged below the screen, and a plurality of cross beams are arranged according to the length of the screen.

The beams are independent or mutually communicated.

Two ends of the cross beam are connected with air inlet pipes; the other end of the air inlet pipe is connected with air inlet equipment capable of blowing air into the cross beam.

And one side, close to the screen mesh, of the periphery of the cross beam is provided with a plurality of through holes serving as air outlets.

The air outlets are arranged on the periphery of the cross beam according to a preset rule, and the arrangement density is determined according to the arrangement density of the cross beam, the distance between the cross beam and the screen, the air inlet flow of the air inlet, the mesh density of the screen or the screen blocking degree.

The air outlet angle of the air outlet is preferably: the angle between the air outlet direction and the screen is 30-60 degrees.

The cross beam can rotate along the axial direction to adjust and change the air outlet angle of the air outlet.

The inlet air flow of the air inlet can be adjusted according to the blocking degree of the screen.

The beneficial effects of the utility model are as follows:

in various embodiments of the present utility model, the cross beam supporting the screen is disposed below the screen; the inside of the cross beam is a cavity through which air flows can pass; the two ends of the cross beam are provided with air inlets which can feed air to the inside of the cross beam, and one side of the periphery, which is close to the screen, is provided with a plurality of air outlets which can blow air to the screen. The beam support under the screen is additionally provided with the air inlet and outlet devices, the surface of the beam is additionally provided with a plurality of air outlets, the high-pressure air flow passes through the hollow beam and then passes through a plurality of air outlets, and the stuck materials in the meshes of the screen are blown out, so that the effects of cleaning the screen and preventing blocking of the screen are achieved.

When screening is stopped, the screen cleaning anti-blocking device is started, and high-pressure air is utilized to blow out materials stuck in screen gaps in screening operation. When screening is carried out, the screen cleaning anti-blocking device can be opened at low frequency, the probability of powder accumulation in gaps of the screen is reduced while screening operation is carried out, and the probability of blocking holes is reduced.

Drawings

Fig. 1 is a schematic diagram of a screen and a cross beam of a screen cleaning anti-blocking device according to an embodiment of the present utility model.

Fig. 2 is a schematic diagram of an air inlet and an air outlet of the screen cleaning anti-blocking device according to an embodiment of the present utility model.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In combination with the field problem in the prior art, this embodiment provides a screen cleaning anti-blocking device, as shown in fig. 1 and fig. 2, including:

screen 1, beam 2, air inlet 3, air outlet 4, wherein,

the cross beam 2 for supporting the screen 1 is arranged below the screen 1; the cross beam 2 is internally provided with a cavity capable of allowing air flow to pass through; the two ends of the cross beam 2 are provided with air inlets 3 which can feed air into the cross beam 2, and one side of the periphery, which is close to the screen 1, is provided with a plurality of air outlets 4 which can blow air onto the screen 1.

The screen 1 is in a grid structure and is arranged obliquely at a preset angle according to the requirement; the cross beam 2 is arranged below the screen 1 and supports the weight of the screen 1.

The cross beams 2 are arranged transversely or longitudinally below the screen 1, and a plurality of cross beams 2 are arranged according to the length of the screen 1.

The several cross beams 2 are independent or in communication with each other.

Two ends of the cross beam 2 are connected with air inlet pipes; the other end of the air inlet pipe is connected with air inlet equipment capable of blowing air into the cross beam 2.

And a plurality of through holes are formed in the periphery of the cross beam 2, which is close to one side of the screen 1, and are used as air outlets 4.

The air outlets 4 are arranged on the periphery of the cross beam 2 according to a preset rule, and the arrangement density is determined according to the arrangement density of the cross beam 2, the distance between the cross beam 2 and the screen 1, the air inlet flow of the air inlet 3, the mesh density of the screen 1 or the blocking degree of the screen 1.

The air outlet angle of the air outlet 4 is preferably: the angle between the air outlet direction and the direction of the screen 1 is 30-60 degrees.

The cross beam 2 can rotate along the axial direction to adjust and change the air outlet angle of the air outlet 4.

The intake air flow rate of the intake port 3 can be adjusted according to the degree of clogging of the screen 1.

According to the embodiment of the utility model, the problems that the screen mesh needs to be cleaned regularly, and labor and time are wasted when fine materials are screened can be solved, and meanwhile, the problem that the probability of accumulating powder in the mesh gaps is high and the blocking Kong Jilv is high can be solved.

In the embodiment, a plurality of air outlets are additionally arranged on the surface of the cross beam, high-pressure air flows through the hollow cross beam and then through a plurality of air outlets, and stuck materials in meshes of the screen mesh are blown out, so that the effects of cleaning the screen mesh and preventing blocking of the screen mesh are achieved. When screening is stopped, the novel screen anti-blocking device is started, and high-pressure air is utilized to blow out materials stuck in a screen gap in screening operation. When screening is carried out, the gas screening device can be started at low frequency, the probability of powder accumulation in gaps of the screen mesh is reduced while screening operation is carried out, and the probability of hole blocking is reduced.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms "top", "bottom", "inner", "outer", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore 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 relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. 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. Furthermore, in the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a screen cloth clearance anti-blocking device which characterized in that includes:

a screen, a cross beam, an air inlet and an air outlet, wherein,

2. The screen cleaning anti-blocking device according to claim 1, wherein the screen is a grid structure, and is inclined by a predetermined angle according to the need; the crossbeam is arranged below the screen mesh and supports the weight of the screen mesh.

3. The screen cleaning anti-blocking device of claim 1, wherein the cross beams are disposed transversely or longitudinally below the screen, and a plurality of cross beams are disposed according to the length of the screen.

4. A screen cleaning anti-blocking device according to claim 3, wherein the plurality of cross beams are independent of each other or in communication with each other.

5. The screen cleaning anti-blocking device according to claim 1, wherein two ends of the cross beam are connected with air inlet pipes; the other end of the air inlet pipe is connected with air inlet equipment capable of blowing air into the cross beam.

6. The screen cleaning anti-blocking device according to claim 1, wherein a plurality of through holes are formed in the periphery of the cross beam on the side close to the screen as air outlets.

7. The screen cleaning and anti-blocking device according to claim 1, wherein the air outlets are arranged on the periphery of the cross beam according to a preset rule, and the arrangement density is determined according to the arrangement density of the cross beam, the distance between the cross beam and the screen, the air inlet flow rate of the air inlet, the mesh density of the screen or the screen blocking degree.

8. The screen cleaning anti-blocking device of claim 1, wherein the outlet angle of the outlet is: the angle between the air outlet direction and the screen is 30-60 degrees.

9. The screen cleaning anti-blocking device of claim 1, wherein the cross beam is axially rotatable to adjust and vary the air outlet angle of the air outlet.

10. The screen cleaning anti-blocking device of claim 1, wherein an intake flow rate of the intake port is adjustable according to a degree of clogging of the screen.