CN222035803U - A high-efficiency screening device based on dual vibrators - Google Patents

Abstract

The utility model discloses a high-efficiency screening device based on double vibration exciters, which comprises a screen box, wherein a support is arranged at the bottom of the screen box, two vibration exciters are arranged on an inclined plane at the top of the screen box, a screen arranged obliquely is arranged in the middle of the inner wall of the screen box, a guide rod which is uniformly arranged is arranged on the upper side of the screen, a support rod connected with the inner wall of the screen box is arranged at the bottom of the guide rod, a guide plate which is obliquely arranged is arranged at the bottom of one side of the guide rod, which is close to a feed inlet of the screen box, and the inclination angle of the guide plate is larger than that of the guide rod. This high-efficient screening plant based on two vibration exciters can carry out the prescreening to the material, directly gets rid of large granule material, avoids large granule material to occupy screening space to carry out the screening of dividing to the material after the prescreening, make whole screen cloth put into screening operation through the latter half of rational utilization screen cloth, can effectively improve screening efficiency, convenient to use.

Description

High-efficient screening plant based on two vibration exciters

Technical Field

The utility model relates to the technical field of vibrating screens, in particular to a high-efficiency screening device based on double vibration exciters.

Background

The linear vibrating screen mainly comprises a screen box, a vibrator, a bracket, a screen and other parts, and is driven by double vibration exciters, when the two vibration exciters synchronously or reversely rotate, exciting forces generated by eccentric blocks of the vibrating screen are mutually offset in a direction parallel to the axis of a motor, and then are overlapped into a resultant force in a direction perpendicular to a motor shaft, so that the vibrating screen is a linear motion track. The two motor shafts of the sieve are opposite, the sieve surface is provided with an inclination angle, and under the action of the resultant force of gravity and exciting force of the materials, the materials are thrown up on the sieve surface and move forward in a jumping mode in a straight line mode, so that the materials are classified and screened.

At present, after the crushed materials enter a feed inlet of a linear vibrating screen, as the materials are not subjected to primary screening, some large-particle materials enter the vibrating screen to occupy a certain space, so that the screening effect of the materials is affected; in addition, when the materials enter a screen box for screening, most of the materials can be screened in the first half of the screen, and the second half of the screen is not fully utilized, so that the screening efficiency is required to be further improved.

Disclosure of utility model

The utility model aims to overcome the existing defects, and provides the efficient screening device based on the double vibration exciters, which can be used for primary screening of materials, directly removing large-particle materials, avoiding the large-particle materials from occupying screening space, and carrying out split screening on the materials subjected to primary screening, so that the screening efficiency can be effectively improved by reasonably utilizing the second half of the screen to put the whole screen into screening operation, and the efficient screening device based on the double vibration exciters is convenient to use and can effectively solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high-efficient screening plant based on two vibration exciters, includes the screen box, the bottom of screen box is equipped with the support, be equipped with two vibration exciters on the top inclined plane of screen box, the inner wall middle part of screen box is equipped with the screen cloth that the slope set up, the upside of screen cloth is equipped with the guide bar of evenly setting, the bottom of guide bar is equipped with the bracing piece of being connected with the screen box inner wall.

As a preferable technical scheme of the utility model, the support comprises a base, and a spring connected with the bottom of the screen box is arranged on the upper surface of the base.

As a preferable technical scheme of the utility model, the lower end of the inside of the screen box is provided with a discharge plate, and the inclination direction of the discharge plate is opposite to that of the screen.

As a preferable technical scheme of the utility model, a guide plate which is obliquely arranged is arranged at the bottom of one side of the guide rod close to the feed inlet of the screen box, and the inclination angle of the guide plate is larger than that of the guide rod.

Compared with the prior art, the utility model has the beneficial effects that:

1. According to the high-efficiency screening device based on the double vibration exciters, after materials enter the inside of the screening box, the materials are subjected to primary screening through the guide rod, large-particle materials roll on the guide rod directly and are discharged from the upper discharge port, so that the materials are subjected to primary screening, and the large-particle materials are directly discharged.

2. According to the high-efficiency screening device based on the double vibration exciters, after the material is primarily screened by the guide rod, part of the material falls on one side of the screen near the feed inlet, and the other part of the material flows move to the middle part of the screen under the action of the guide plate, so that the front part and the rear part of the screen do substantially identical screening work, and the screening efficiency is improved.

3. The high-efficiency screening device based on the double vibration exciters can be used for primary screening of materials, directly removing large-particle materials, avoiding large-particle materials from occupying screening space, and carrying out split screening on the materials subjected to primary screening, and the whole screen is put into screening operation by reasonably utilizing the second half of the screen, so that screening efficiency can be effectively improved, and the high-efficiency screening device is convenient to use.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a right side view of the schematic diagram of FIG. 1;

FIG. 3 is a front view in partial cross-sectional configuration of the present utility model;

fig. 4 is a top view of the present utility model.

In the figure: 1 sieve box, 2 base, 21 spring, 3 vibration exciter, 4 screen cloth, 5 discharge plate, 6 guide bar, 7 guide plate.

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. 1-4, the present utility model provides a technical solution: the utility model provides a high-efficient screening plant based on two vibration exciters, including screen box 1, the bottom of screen box 1 is equipped with the support, be equipped with two vibration exciters 3 on the top inclined plane of screen box 1, the inner wall middle part of screen box 1 is equipped with the screen cloth 4 that the slope set up, the upside of screen cloth 4 is equipped with the guide bar 6 of evenly setting, the bottom of guide bar 6 is equipped with the bracing piece of being connected with screen box 1 inner wall, the material is through entering into inside of screen box 1 after, earlier through guide bar 6 carry out the preliminary screening, the large granule material is direct at guide bar 6 roll and discharge from the upside discharge gate, thereby carry out the preliminary screening to the material, directly discharge large granule material.

Further, the support comprises a base 2, a spring 21 connected with the bottom of the screen box 1 is arranged on the upper surface of the base 2, the spring 21 cooperates with the vibration exciter 3 to enable the screen box 1 to vibrate, when the two vibration exciters 3 synchronously or reversely rotate, under the resultant force action of gravity and exciting force of materials, the materials are thrown up on the screen 4, do linear motion jump forward, and classify and screen the materials, so that small particles and powdery materials fall on the discharge plate 5 and are discharged through a discharge hole at the lower side, and the materials which do not fall down are discharged from an outlet at the upper side.

Further, the inside lower extreme of sieve case 1 is equipped with discharge plate 5, and the inclination opposite direction of discharge plate 5 and screen cloth 4, carries out classification and screening back to the material, and granule and powdered material fall on discharge plate 5 to discharge through the discharge gate of downside.

Further, the guide plate 7 which is obliquely arranged is arranged at the bottom of one side of the guide rod 6, which is close to the feed inlet of the screen box 1, the inclination angle of the guide plate 7 is larger than that of the guide rod 6, after the guide rod 6 is subjected to primary screening, part of materials fall on one side of the screen 4, which is close to the feed inlet, and the other part of materials flow moves to the middle part of the screen 4 under the action of the guide plate 7, so that the front part and the rear part of the screen 4 are subjected to the screening work which is basically equal, and the screening efficiency is improved.

The vibration exciter 3 used in the present utility model is a common electronic component in the prior art, and its working mode and circuit structure are well known techniques, and are not described herein.

When in use:

As shown in fig. 3, after the material enters the inside of the screen box 1, the material is primarily screened by the guide rod 6, and large-particle material directly rolls on the guide rod 6 and is discharged from the upper discharge port;

After the primary screening of the guide rod 6, part of the material falls on one side of the screen 4 close to the feed inlet, the other part of the material flows are moved to the middle part of the screen 4 under the action of the guide plate 7, when the two vibration exciters synchronously or reversely rotate, the material is thrown up on the screen 4 under the action of the resultant force of the gravity and the exciting force of the material, and the material is jump-type forwards in a linear motion and classified and screened, so that small particles and powdery materials fall on the discharge plate 5 and are discharged through the discharge hole on the lower side, and the material which does not fall is discharged from the outlet on the upper side.

The utility model can perform primary screening on materials, directly remove large-particle materials, avoid the large-particle materials from occupying screening space, and perform split screening on the materials after primary screening, and the whole screen 4 is put into screening operation by reasonably utilizing the latter half of the screen 4, so that the screening efficiency can be effectively improved, and the use is convenient.

The non-disclosed parts of the utility model are all prior art, and the specific structure, materials and working principle thereof are not described in detail. Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides a high-efficient screening plant based on two vibration exciter, includes screen box (1), its characterized in that: the bottom of screen box (1) is equipped with the support, be equipped with two vibration exciters (3) on the top inclined plane of screen box (1), the inner wall middle part of screen box (1) is equipped with screen cloth (4) that the slope set up, the upside of screen cloth (4) is equipped with guide bar (6) of evenly setting, the bottom of guide bar (6) is equipped with the bracing piece with screen box (1) inner wall connection.

2. The dual-exciter based high efficiency screening apparatus of claim 1, wherein: the support comprises a base (2), and a spring (21) connected with the bottom of the screen box (1) is arranged on the upper surface of the base (2).

3. The dual-exciter based high efficiency screening apparatus of claim 1, wherein: the lower end of the inside of the screen box (1) is provided with a discharge plate (5), and the inclination direction of the discharge plate (5) is opposite to that of the screen (4).

4. The dual-exciter based high efficiency screening apparatus of claim 1, wherein: the bottom of one side of the guide rod (6) close to the feed inlet of the screen box (1) is provided with a guide plate (7) which is obliquely arranged, and the inclination angle of the guide plate (7) is larger than that of the guide rod (6).