CN220941725U - Vibration type multi-layer screen - Google Patents

Abstract

The utility model relates to a vibrating type multi-layer screen, which comprises a screening component and a bin component, wherein the bin component comprises a support frame and a bin, the outer wall of the bin is connected with the support frame through a connecting rod, the upper part of the bin is a feed inlet, the lower part of the bin is a discharge outlet, the screening component comprises a frame, a first screen and a second screen, and the frame is positioned on the upper side of the support frame; the first screen cloth, the interval sets up about the second screen cloth, and first screen cloth, the equal slope setting of second screen cloth, outside the large granule material flow direction support frame that sieves out through first screen cloth, second screen cloth, the material that meets the requirements falls to in the feed bin. The vibrating type multi-layer sieve has compact structure, can realize the functions of feeding, sieving, temporarily storing materials, discharging and the like, and has small occupied area.

Description

Vibration type multi-layer screen

Technical Field

The utility model relates to the technical field of screening of river sand, in particular to a vibrating type multi-layer screen.

Background

River sand refers to a building material with a certain quality standard formed by the impact and erosion of natural stones in river water under the action of natural force, and is commonly used for preparing concrete. The concrete preparation requires river sand with certain specification and size, so the river sand is screened before use. The sand grain coarse-fine separator disclosed in patent publication No. CN203448301U, which is characterized in that sand grains enter a hopper, are screened by a separating net, and are separated into large grains and small grains, and flow to different positions respectively. The vibrating screening machine disclosed in the patent publication No. CN203448301U is characterized in that materials entering from a feed inlet are screened by a plurality of layers of screen plates, and the materials with different granularity are respectively conveyed by a belt conveyor and are generally sent to a storage bin for temporary storage. By the design, the whole occupied area is larger, and more equipment is needed.

Disclosure of utility model

The utility model aims to provide a vibrating type multi-layer sieve, which realizes the functions of feeding, sieving and temporary storage.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

The vibrating type multi-layer screen comprises a screen assembly and a bin assembly, wherein the bin assembly comprises a support frame and a bin, the outer wall of the bin is connected with the support frame through a connecting rod, the upper part of the bin is a feed inlet, the lower part of the bin is a discharge outlet, the screen assembly comprises a frame, a first screen and a second screen, and the frame is positioned on the upper side of the support frame; the first screen cloth, the interval sets up about the second screen cloth, and first screen cloth, the equal slope setting of second screen cloth, outside the large granule material flow direction support frame that sieves out through first screen cloth, second screen cloth, the material that meets the requirements falls to in the feed bin.

Further, the bin is a conical bin with a large upper part and a small lower part.

Further, the bottom of the frame is connected with the upper side of the supporting frame through a vibrating spring.

Further, a first vibration motor is arranged on the frame.

Further, a second vibrating motor is arranged on the outer wall of the storage bin.

Further, a belt conveyor is arranged below the storage bin, and a frame of the belt conveyor is connected with the supporting frame.

Further, the discharge opening is provided with a discharge assembly, the discharge assembly comprises symmetrically arranged discharge plates, the discharge plates are fixed on a driving shaft, the driving shaft is driven by an air cylinder, and the two discharge plates act opposite or backward to realize closing and opening of the discharge opening.

The utility model has the beneficial effects that:

The vibrating type multi-layer sieve has a compact structure, can realize the functions of feeding, sieving, temporarily storing materials, discharging and the like, and has small occupied area.

The outer wall of the storage bin is provided with a vibrating motor, and the material is prevented from arching through vibration in the discharging process, so that the material can be discharged smoothly.

Drawings

FIG. 1 is a schematic view of the structure of a vibrating multi-layer screen of the present utility model;

FIG. 2 is a schematic illustration of a forklift loading;

fig. 3 is a schematic view of the lower discharge opening of the silo.

Name corresponding to each label in the figure:

1. A frame; 2. a first vibration motor; 3. a first screen; 4. a second screen; 5. a vibration spring; 6. a storage bin; 61. a stripper plate; 62. a drive shaft; 7. a second vibration motor; 8. a support frame; 9. a belt conveyor; 10. a forklift.

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 are derived by a person skilled in the art based on the embodiments of the utility model, fall within the scope of protection of the utility model.

Embodiments of the utility model:

As shown in fig. 1-3, the vibrating multi-layer screen comprises a screening component and a bin component, wherein the bin component comprises a supporting frame and a bin, the outer wall of a bin 6 is connected with the supporting frame 8 through a connecting rod, the upper part of the bin 6 is a feed inlet, and the lower part is a discharge outlet. The screening assembly comprises a frame 1, a first screen 3 and a second screen 4, wherein the frame 1 is positioned on the upper side of a supporting frame 8. The frame 1 is formed by welding and splicing a plurality of steel pipes or angle irons and the like, and is formed by surrounding four sides. The initial river sand can be thrown in from above the frame 1 by the forklift 10. The whole device has a certain height, and the forklift 10 is required to complete feeding by means of a ramp, and the forklift is drawn according to actual proportion in the figure, so as to illustrate how to feed.

The first screen 3, the interval setting about the second screen 4, and first screen 3, the equal slope setting of second screen 4, outside the large granule material flow direction support frame 8 that sieves out through first screen 3, second screen 4, the material that accords with the requirement falls to in the feed bin 6. The mesh number of the first screen 3 is smaller than that of the second screen 4, the first screen 3 is used for separating materials with the particle size larger than 35mm, the second screen 4 is used for separating materials with the particle size larger than or equal to 10mm and smaller than 35mm, and finally the materials with the particle size smaller than 10mm are leaked down and enter the storage bin 6. The material with large particle size can be reused after being crushed. The side edges of the first screen 3 and the second screen 4 are welded and fixed on the inner side of the frame 1.

In order to facilitate the screening of large-diameter materials, a chute can be arranged at the tail end (low end) of the screen, the materials can slide away, the large-diameter materials are less, and a certain amount of accumulated and concentrated treatment can be performed. The end of the screen is extended beyond the support frame 8 of the bottom side.

The surrounding plates can be arranged on three sides of the circumference of the frame 1, and the surrounding plates are positioned on the inner sides of steel pipes or angle irons and the like, so that the steel pipes or the angle irons play a reinforcing role. The side of the frame 1 at the end of the screen is open to facilitate the outflow of large particle size material.

The bottom of the frame 1 is connected with the upper side of the supporting frame 8 through a vibrating spring 5. The frame 1 is provided with a first vibration motor 2, which is of the prior art. The upper and lower both ends of vibrating spring 5 connect frame 1, support frame 8 respectively, and vibrating spring 5 can set up four, all sets up one in four directions about, and when first vibrating motor 2 starts, frame 1 can vibrate, and the screen cloth rocks, carries out quick screening to the river sand.

The feed bin 6 is a conical feed bin 6 with a large top and a small bottom, and the feed bin 6 is used for temporarily storing screened river sand meeting the requirements and can convey the river sand out when needed. A belt conveyer 9 is arranged below the storage bin 6, and a frame of the belt conveyer 9 is connected with a supporting frame 8.

The discharge opening is provided with a discharge assembly, the discharge assembly comprises symmetrically arranged discharge plates 61, the discharge plates 61 are fixed on a driving shaft 62, the driving shaft 62 is driven by a cylinder, and the two discharge plates 61 act opposite or backward to realize the closing and opening of the discharge opening. The two driving shafts 62 can be driven by independent cylinders respectively, and the driving ends of the cylinders are hinged with a crank arm. In other embodiments, a single cylinder may be used to drive the two drive shafts 62 through a gear transmission. When the material is required to be discharged, the discharge opening is opened, and river sand is discharged from the storage bin 6 and falls onto the belt conveyor 9. The discharging assembly is not limited to this, and other reasonable structures can be adopted.

In other embodiments, an arc-shaped material door in the prior art can be adopted, the arc-shaped material door is blocked at a discharge opening at the bottom of the storage bin, the arc-shaped material door can rotate around a driving shaft, the driving shaft is driven by a cylinder, the tail end of the cylinder is hinged with a crank arm, and the other end of the crank arm is fixed with the driving shaft. The two sides of the arc-shaped material door are fixed with the driving shaft through the connecting plates, and the arc-shaped material door and the connecting plates at the two sides form a U-shaped structure. Or the tail end (one end of the telescopic rod) of the air cylinder is hinged with the arc-shaped material door, and the air cylinder stretches out and draws back to drive the arc-shaped material door to rotate around the driving shaft so as to realize opening and closing.

The belt conveyor 9 can convey the river sand to a river sand cleaning station or other stations, and replaces the prior art that the river sand is firstly conveyed to the temporary storage bin 6 through a conveying belt and then conveyed to the required stations through other conveying belts.

For the unloading of being convenient for, feed bin 6 outer wall is equipped with second vibrating motor 7, and the unloading in-process, second vibrating motor 7 is to feed bin 6 vibration, prevents that the material from arching, can discharge smoothly.

Claims (7)

1. Vibration formula multilayer sieve, its characterized in that: the screening assembly comprises a frame, a first screen and a second screen, wherein the frame is positioned on the upper side of the support frame; the first screen cloth, the interval sets up about the second screen cloth, and first screen cloth, the equal slope setting of second screen cloth, outside the large granule material flow direction support frame that sieves out through first screen cloth, second screen cloth, the material that meets the requirements falls to in the feed bin.

2. The vibratory multi-layer screen of claim 1, wherein: the bin is a conical bin with a large upper part and a small lower part.

3. The vibratory multi-layer screen of claim 1, wherein: the bottom of the frame is connected with the upper side of the supporting frame through a vibrating spring.

4. The vibratory multi-layer screen of claim 3, wherein: the frame is provided with a first vibration motor.

5. The vibratory multi-layer screen of claim 1, wherein: the outer wall of the storage bin is provided with a second vibrating motor.

6. The vibratory multi-layer screen of claim 1, wherein: and a belt conveyor is arranged below the storage bin, and a frame of the belt conveyor is connected with the supporting frame.

7. The vibratory multi-layer screen of any of claims 1-6, wherein: the discharge opening is provided with a discharge assembly, the discharge assembly comprises symmetrically arranged discharge plates, the discharge plates are fixed on a driving shaft, the driving shaft is driven by an air cylinder, and the two discharge plates act in opposite directions or back to realize closing and opening of the discharge opening.