CN209935197U

CN209935197U - Double-sided complex frequency screen

Info

Publication number: CN209935197U
Application number: CN201822250481.8U
Authority: CN
Inventors: 李振
Original assignee: Henan Winner Vibrating Equipment Co Ltd
Current assignee: Henan Winner Vibrating Equipment Co Ltd
Priority date: 2018-12-29
Filing date: 2018-12-29
Publication date: 2020-01-14
Anticipated expiration: 2028-12-29

Abstract

The utility model relates to a two-sided multifrequency sieve mainly comprises feed inlet 1, screen frame 2, collet assembly 3, sieve 4, vibration exciter 5, motor 6, damping spring 7, discharge gate 8 etc.. Through two-sided screening, also provide first face screening and second face screening promptly, two-sided screening sets up relatively, uses same feed inlet, and the discharge gate setting is at both ends for after the material gets into the feed inlet, divide and do two parts and carry out the screening operation respectively on two-sided screening, divide into two-sided screening, the height of the screening equipment of effectual reduction with one side screening.

Description

Double-sided complex frequency screen

Technical Field

The utility model relates to a material separation technical field especially relates to a two-sided multifrequency sieve.

Background

The screening machine is a mechanical device used for sorting various raw materials and various primary products into a plurality of grades according to the granularity of the materials by using the actions of rotation, vibration, reciprocation, shaking and the like, or removing moisture, impurities and the like in the raw materials and the primary products, and then carrying out the next processing and improving the product quality.

The vibrating screen operates by utilizing reciprocating rotary type vibration generated by vibrator excitation. The upper rotary heavy hammer of the vibrator makes the screen surface generate plane rotary vibration, the lower rotary heavy hammer makes the screen surface generate conical surface rotary vibration, and the combined effect makes the screen surface generate re-rotary vibration. The vibration locus is a complex space curve. The curve is projected as a circle in the horizontal plane and as an ellipse in the vertical plane. The amplitude can be changed by adjusting the exciting force of the upper and lower rotary weights. And the curve shape of the motion trail of the screen surface can be changed and the motion trail of the materials on the screen surface can be changed by adjusting the space phase angle of the upper and lower heavy hammers.

With the progress of society and the development of technology, the unidirectional screening in the prior art is shown in fig. 1, wherein the material of the vibrating screen can only move in one direction for screening. Wherein, in order to reach very high screening efficiency, length can be very long, highly can correspondingly increase, and the civil engineering can increase the budget like this, and equipment cost itself also can increase, contains 4 motors in figure 1, and the motor is a lot of, and the fault point is many.

SUMMERY OF THE UTILITY MODEL

For overcoming the above-mentioned technical problem that prior art exists, the utility model provides a two-sided multifrequency sieve, it has characteristics such as two-sided screening, simple structure.

The utility model provides an above-mentioned technical problem's technical scheme as follows:

a double-faced repetition frequency screen comprises a first face screen 9 and a second face screen 10 which are oppositely arranged;

the feeding hole 1 is arranged above the feeding ends of the first surface screen 9 and the second surface screen 10 which are oppositely arranged, and the discharging ends of the first surface screen 9 and the second surface screen 10 are respectively provided with a discharging hole 8; the first side screen 9 and the second side screen 10 respectively comprise corresponding screen bodies 2; the screen body 2 is obliquely arranged at a set angle.

The first surface screening 9 and the second surface screening 10 are respectively arranged obliquely, the higher end of the first surface screening is a feeding end, and the lower end of the first surface screening is a discharging end.

The screen body 2 of the first face screen 9 and the second face screen 10 respectively comprise:

the sieve plate 4 is arranged obliquely; a vibration exciter 5 which drives the sieve plate 4 to vibrate is arranged below the sieve plate 4; and the motor 6 is used for providing power for the vibration exciter 5.

and the vibration reduction spring 7 is arranged below the vibration exciter 5 and connected with the screen body 2.

The rotation direction of the motor 6 of the first and

second side screens

9, 10 is opposite.

The screen deck 4 of the first side screen 9 and the second side screen 10 have the same screen opening.

The first and

second face screens

9, 10 are arranged on a common shoe assembly 3.

The first side screen 9 and the second side screen 10 run in opposite directions.

The inclination angle of the screen body 2 can be adjusted according to the material characteristics.

The feeding hole 1 is provided with a material spreading device for uniform feeding.

The utility model has the advantages that: through two-sided screening, also provide first face screening and second face screening promptly, two-sided screening sets up relatively, uses same feed inlet, and the discharge gate setting is at both ends for after the material gets into the feed inlet, divide and do two parts and carry out the screening operation respectively on two-sided screening, divide into two-sided screening, the height of the screening equipment of effectual reduction with one side screening. Meanwhile, the sieve body does not vibrate, the sieve plate vibrates, static sealing is realized, and the environment-friendly effect is good; the number of the motors is small, the power is reduced, and the energy is saved; double-sided screening, space height is low, equipment weight is little, equipment cost is low, and the civil engineering budget is few.

Drawings

FIG. 1 is a schematic diagram of a prior art single-sided screening arrangement;

fig. 2 is a schematic structural view of a double-sided complex frequency sieve according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a two-sided screening single structure according to an embodiment of the present invention.

In the drawings, the reference numerals denote the following components:

1-feeding hole, 2-screen body, 3-bottom support assembly, 4-screen plate, 5-vibration exciter, 6-motor, 7-damping spring, 8-discharging hole, 9-first surface screening and 10-second surface screening.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

The present embodiment provides a double-sided multifrequency sieve, as shown in fig. 2 and 3, comprising a first side sieve 9 and a second side sieve 10 arranged opposite to each other;

The rotation direction of the motor 6 of the first and

second side screens

9, 10 is opposite.

The first and

second face screens

9, 10 are arranged on a common shoe assembly 3.

In this embodiment, a first face screen 9 and a second face screen 10 are included, which are arranged opposite each other; the feeding hole 1 is arranged above the feeding ends of the first surface screen and the second surface screen which are oppositely arranged, and the discharging ends of the first surface screen and the second surface screen are respectively provided with a discharging hole 8; the first surface screening and the second surface screening respectively comprise corresponding screen bodies 2 and supporting bottom support assemblies 3 of the screen bodies 2.

The vibrating screen mainly comprises a feeding hole 1, a screen body 2, a bottom support assembly 3, a screen plate 4, a vibration exciter 5, a motor 6, a vibration reduction spring 7, a discharging hole 8 and the like.

The working principle is as follows: the two motors 6 rotate reversely to drive the vibration exciters 5 to generate exciting force, so that the sieve plate 4 vibrates, materials move forwards on the sieve plate 4 and are divided into two parts at the feeding hole 1 and flow towards the two side faces respectively, the sieve holes of the first surface and the second surface are kept consistent, the sieving area is increased, the material passing height is reduced, and the sieving efficiency is increased.

The main structural features include: the sieve body does not vibrate, and the sieve plate vibrates to realize static sealing; the number of the motors is small, and the power is reduced; double-sided screening, space height is low, and equipment weight is little.

Through specific practice verification, in the distribution of 78-square-meter sintering sieves, the height is reduced by 3 meters, the length is shortened by 3 meters, and the power is reduced by more than 10KW by using a double-sided complex frequency sieve compared with a common complex frequency sieve.

In the description of the present invention, it should be noted that the terms "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A double-faced frequency-multiplying screen is characterized by comprising a first face screen (9) and a second face screen (10) which are oppositely arranged;

the feeding hole (1) is arranged above the feeding end where the first surface screen (9) and the second surface screen (10) are oppositely arranged, and the discharging ends of the first surface screen (9) and the second surface screen (10) are respectively provided with a discharging hole (8); the first surface screening (9) and the second surface screening (10) respectively comprise corresponding screen bodies (2); the screen body (2) is obliquely arranged at a set angle.

2. A double-sided multifrequency screen according to claim 1, wherein said first (9) and second (10) side screens are arranged obliquely, respectively, with the higher end being the feed end and the lower end being the discharge end.

3. A double-sided multifrequency sieve as claimed in claim 1, characterized in that the screen bodies (2) of said first (9) and second (10) side screens comprise respectively:

a screen plate (4) which is arranged obliquely; a vibration exciter (5) which drives the sieve plate (4) to vibrate is arranged below the sieve plate (4); and the motor (6) is used for providing power for the vibration exciter (5).

4. A double-sided multifrequency sieve as claimed in claim 3, characterized in that the screen bodies (2) of said first (9) and second (10) side sieves comprise respectively:

and the vibration reduction spring (7) is arranged below the vibration exciter (5) and connected with the screen body (2).

5. A double-sided multifrequency screen according to claim 3, wherein the motors (6) of the first and second side screens (9, 10) are rotated in opposite directions.

6. A double-sided multifrequency screen according to claim 3, wherein the screening decks (4) of said first (9) and second (10) have identical apertures.

7. A double-sided multifrequency screen according to claim 1, wherein said first (9) and second (10) side screens are provided on a common shoe assembly (3).

8. A double-sided multifrequency screen according to claim 1, wherein the direction of travel of the material on the first (9) and second (10) side screens is opposite.

9. A double-sided multifrequency sieve as claimed in claim 1, wherein the angle of inclination of said sieve body (2) can be adjusted according to the material characteristics.

10. A double-sided multifrequency screen according to claim 1, characterized in that the feed inlet (1) is provided with a spreading device for uniform feeding.