CN219233090U

CN219233090U - Vibrating screen for powdery material

Info

Publication number: CN219233090U
Application number: CN202321172366.8U
Authority: CN
Inventors: 冯素娟; 张雅楠; 韩月乔
Original assignee: Henan Chunying Environmental Protection Equipment Co ltd
Current assignee: Henan Chunying Environmental Protection Equipment Co ltd
Priority date: 2023-05-16
Filing date: 2023-05-16
Publication date: 2023-06-23
Anticipated expiration: 2033-05-16

Abstract

The utility model discloses a vibrating screen for powdery materials, and relates to the technical field of material screening. The utility model comprises a screening box and screening frames, wherein a pressing plate is arranged at the upper end of the inner side of the screening box, two baffles are welded and fixed on the inner side of the screening box from top to bottom, two discharging assemblies are connected through the two ends of the screening box in a clamping manner from top to bottom, three screening frames are connected with the inner side of the screening box in a sliding manner from top to bottom in a clamping manner, a plurality of limiting plates are arranged on the inner side of the screening frames from left to right, and one baffle is arranged between every two adjacent screening frames. The utility model solves the problems that when the vibrating screen for powdery materials is used for screening, the powdery materials are easy to be scattered upwards by vibration and return to the upper side of the last screen due to smaller mass, and a large amount of powdery materials are accumulated on the bottom side of the inclined screen during screening, so that the rapid screening is inconvenient.

Description

Vibrating screen for powdery material

Technical Field

The utility model belongs to the technical field of material screening, and particularly relates to a vibrating screen for powdery materials.

Background

The vibrating screen is a filterable mechanical separation device for slurry solid-phase treatment, mainly composed of screen mesh and vibrator, and is characterized by that the broken material groups with different grain sizes can be passed through single-layer or multi-layer screen surface uniformly distributed with holes several times, and separated into several different grades, and can be used for sieving, and the vibrating screen has the advantages of high efficiency, light weight, complete and various series and several layers, etc., and can be extensively used in the industries of mine, coal, smelting, building material, refractory material, light industry, chemical industry, medicine and food, etc., but it still has the following defects in actual use:

1. the utility model has disclosed powder screening filter unit and filter in publication number CN207188193U, the vibrating device is set up in base, the elastic mechanism is set up between outer cover and base; the top end of the shell is provided with a dust cover, the dust cover is provided with a feed inlet, the inside of the shell is sequentially provided with a plurality of vibrating screens from top to bottom, the shell is provided with a plurality of discharge ports, and each discharge port is correspondingly communicated with the vibrating screen of each layer; the upper horizontal cover of each vibrating screen is provided with a punching plate, the two sides of the punching plate are respectively provided with a guide rail, the press roller mechanism comprises a plurality of press rollers and a driving mechanism for driving the corresponding press rollers, the two ends of each press roller are respectively arranged on the guide rails in a riding mode, the powder screening and filtering device and the filter can crush large-particle materials, the blocking of the screen mesh is avoided, and the screening efficiency is improved;

2. when the vibrating screen for the powdery material is used for screening the powdery material, a large amount of powdery material can be accumulated on the bottom side of the inclined screen through vibration due to smaller particles and lighter mass of the powdery material, and the powder material is inconvenient to screen rapidly.

Disclosure of Invention

The utility model aims to provide a vibrating screen for powdery materials, which solves the problems that when the vibrating screen for powdery materials is used for screening, the powdery materials are easy to upwards escape due to small mass and return to the upper side of a previous screen, and a large amount of powdery materials are accumulated on the bottom side of an inclined screen during screening, so that the rapid screening is inconvenient.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a vibrating screen for powdery materials, which comprises a screening box and a screening frame, wherein the upper end of the inner side of the screening box is provided with a pressing plate, when the screening box vibrates up and down, the pressing plate moves up and down along with the vibration to grind the powdery materials on the inner side of the uppermost screening frame, the powdery materials which are damped and caked are crushed, the screening efficiency is improved, the inner side of the screening box is fixedly welded with two baffles from top to bottom, the baffles and the adjacent upper screening plates incline in the same direction, after the powdery materials pass through the screening frame, the inclined baffles can slide down quickly and fall to the upper side of the next screening frame along with one end of the inclined baffles, when the powdery materials fall to the upper side of the other screening frame vibrate up and down, the baffle can limit the powdery materials, so that the powdery materials are prevented from returning to the inner side of the last screening frame, the screening efficiency is improved, two ends of the screening box are connected with two discharging components in a penetrating mode from top to bottom, three screening frames are connected with the inner side of the screening box in a sliding mode from top to bottom in a clamping mode, a plurality of limiting plates are arranged on the inner side of the screening frames from left to right, a baffle is arranged between every two adjacent screening frames, the speed that powder materials slide downwards on the screen plates can be delayed through the limiting plates, a large amount of powder materials are prevented from being rapidly accumulated on the bottom sides of the inclined screen plates, screening efficiency is improved, powder materials in the screening frames can be enabled to be screened basically through the screen plates when moving to the other ends of the screening frames, the powder materials which are not screened can be discharged through the discharging components conveniently, the discharging components are not required to be opened again for discharging after complete screening, and the vibrating screen can continuously screen the materials.

Further, one end of the upper side of the screening box is provided with a feed inlet, two ends of the screening box are provided with three plug-in connectors in a penetrating way from top to bottom, and the three plug-in connectors are respectively positioned at the other ends of the three discharging components of the upper side of the screening box;

can peg graft the screening frame of different mesh sizes through the interface, make the shale shaker can screen the powdery material of different particle fineness as required, and can carry out multistage screening to the powdery material simultaneously, use comparatively nimble.

Further, a vibrating motor is clamped at the center of the bottom end of the screening box, vibrating springs are clamped at the two ends of the bottom side of the screening box, a base is clamped at the bottom end of the vibrating springs, and anti-slip pads are clamped and fixed at the periphery of the bottom end of the base;

can drive the screening case through vibrating motor and vibrating spring and vibrate, further drive the powdery material of screening incasement and vibrate the screening, need not manual screening, improved screening efficiency greatly.

Further, the periphery of the upper end of the pressing plate is clamped with a reset spring, the upper end of the reset spring is clamped at the top end of the inner side of the screening box, and the pressing plate is positioned at the other side of the screening box relative to the feed inlet;

when the screening box vibrates, the reset spring can drive the pressing plate to vibrate up and down, materials in the uppermost screening frame are rolled, large-particle materials which are agglomerated due to damp and the like are crushed, and screening efficiency is improved.

Further, the inner side of the screening frame is obliquely clamped with the screen plate, the limiting plate is welded and fixed on the upper side of the screen plate, one end of the limiting plate is attached to one side in the screening frame, one end of the screening frame is provided with a discharge hole, one screening frame is inserted into the inner side of one insertion hole in a penetrating manner, and the discharge hole of the screening frame is attached to one side of the discharge assembly;

the discharge gate is located the lower one end of sieve, falls to the powdery material in the screening frame under vibration and gravity effect, moves to discharge gate one end along the sieve of slope, can carry out spacingly to the powdery material through the limiting plate, makes the powdery material follow a plurality of limiting plates and slowly move downwards, avoids a large amount of powdery materials to pile up in the inclined screen board bottom side, and makes the powdery material when arriving the screen board bottom side, and the powdery material of less granule can be basically all sieved, and the big granule powdery material that does not sieve can directly carry out the ejection of compact through the discharging component, improves screening efficiency.

The utility model has the following beneficial effects:

1. the screening box is arranged, so that the problems that the screening efficiency is reduced because the powder screening and filtering device and the filter can crush large-particle materials, the screen mesh is prevented from being blocked, and the screening efficiency is improved are solved, but when the screening box is in actual use, as the powder materials are lighter in weight, the lighter powder materials can be dissipated upwards by vibration in the process of vibrating the vibrating screen up and down and possibly return to the upper side of the screen mesh of the last vibrating screen, and the screening efficiency is reduced, and when the powder materials vibrate up and down in the screening frames, the baffle can separate the upper screening frame and the lower screening frame, so that the dissipated powder materials are prevented from returning to the inner side of the last screening frame, and the screening efficiency is improved.

2. According to the utility model, the problem that when the vibrating screen for powdery materials is used for screening the powdery materials, a large amount of powdery materials are accumulated on the bottom side of the inclined screen due to smaller particles and lighter weight of the powdery materials and are inconvenient to screen rapidly is solved by arranging the screening frame, when the screening frame drives the powdery materials to vibrate, the materials move downwards along the screen plate under the action of vibration and gravity and are limited by the limiting plates, so that the powdery materials move downwards slowly along the limiting plates, a large amount of powdery materials are prevented from accumulating on the bottom side of the inclined screen, and when the powdery materials reach the bottom side of the screen, the powdery materials with smaller particles can be screened basically, and large-particle powdery materials which are not screened can be discharged directly through the discharging assembly, thereby improving screening efficiency.

Drawings

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

FIG. 2 is a structural effect diagram of the present utility model;

FIG. 3 is a block diagram of a screening box of the present utility model;

FIG. 4 is a cross-sectional view of a screening box of the present utility model;

fig. 5 is a block diagram of a screen frame according to the present utility model.

Reference numerals:

1. a screening box; 101. a base; 102. a discharge assembly; 103. a feed inlet; 104. an interface; 105. an anti-slip pad; 106. a vibration spring; 107. a vibration motor; 108. a pressing plate; 109. a return spring; 110. a baffle; 2. a screening frame; 201. a sieve plate; 202. a limiting plate; 203. and a discharge port.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-5, the utility model relates to a vibrating screen for powder materials, which comprises a screening box 1 and screening frames 2, wherein a pressing plate 108 is arranged at the upper end of the inner side of the screening box 1, when the screening box 1 vibrates up and down, the pressing plate 108 moves up and down along with the vibration to grind the powder materials on the inner side of the uppermost screening frame 2, the powder materials which are subjected to damp agglomeration are crushed, two baffle plates 110 are welded and fixed on the inner side of the screening box 1 from top to bottom, the baffle plates 110 and a screen plate 201 on the adjacent upper side incline in the same direction, after the powder materials pass through one screening frame 2, the powder materials slide downwards along with one inclined baffle plate 110 and fall to the upper side of the next screening frame 2 through one end of the baffle plate 110, when the powder materials falling to the upper side of the other screening frame 2 vibrate up and down, the baffle plates 110 limit the powder materials, two ends of the screening box 1 penetrate through two discharging components 102 from top to bottom, three screening frames 2 are connected with the inner side of the screening box 1 in a sliding manner from top to bottom, a plurality of limiting plates 202 are arranged on the inner side of the screening frames 2 from left to right, one baffle plate 110 is arranged between every two adjacent screening frames 2, and the powder materials pass through the inclined baffle plates 110 and the lower powder materials pass through the limiting plates 201, and the powder materials pass through the limiting plates 201 and the lower vibrating screen plate and the powder materials and the particles are not screened through the limiting the screen plates and pass through the screen plates and are arranged.

As shown in fig. 1-4, a feed inlet 103 is formed at one end of the upper side of the screening box 1, three insertion ports 104 are formed at two ends of the screening box 1 in a penetrating manner from top to bottom, the three insertion ports 104 are respectively positioned at the other ends of three discharge assemblies 102 at the upper side of the screening box 1, a vibrating motor 107 is clamped at the center of the bottom end of the screening box 1, vibrating springs 106 are clamped at two ends of the bottom side of the screening box 1, a base 101 is clamped at the bottom end of the vibrating springs 106, an anti-slip pad 105 is clamped and fixed at the periphery of the bottom end of the base 101, return springs 109 are clamped at the periphery of the upper end of a pressing plate 108, the upper ends of the return springs 109 are clamped at the top end of the inner side of the screening box 1, and the pressing plate 108 is positioned at the other side of the screening box 1 opposite to the feed inlet 103;

before screening, according to the particle fineness of the required screening, a screening frame 2 which is not in the specification is inserted into an insertion port 104 at a proper position of a screening box 1, a discharging assembly 102 is connected with a material box, a large amount of powder materials are poured into the screening box 1 through a feeding port 103, a vibrating motor 107 is controlled to vibrate, the vibrating motor 107 and a vibrating spring 106 drive the screening box 1 to vibrate, a pressing plate 108 is further driven to vibrate up and down through a reset spring 109 to crush and crush the agglomerated powder materials, the materials are screened through the screening frames 2 through vibration, after the powder materials are screened through one screening frame 2, the powder materials slide downwards along with an inclined baffle 110 quickly and fall to the upper side of the next screening frame 2 through one end of the baffle 110, and when the powder materials falling to the upper side of the other screening frame 2 vibrate up and down, the baffle 110 limits the powder materials.

As shown in fig. 1, 2 and 5, the inner side of the screening frame 2 is obliquely and fixedly connected with a screen plate 201 in a clamping manner, a limiting plate 202 is welded and fixed on the upper side of the screen plate 201, one end of the limiting plate 202 is attached to one side of the inner side of the screening frame 2, one end of the screening frame 2 is provided with a discharge hole 203, one screening frame 2 is inserted and connected to the inner side of one insertion hole 104 in a penetrating manner, and the discharge hole 203 of the screening frame 2 is attached to one side of the discharge assembly 102;

the powdery material falling into the screening frame 2 moves to one end of the discharge port 203 along the inclined screening plate 201 under the action of vibration and gravity, the powdery material is limited by the limiting plates 202, the powdery material slowly moves downwards along the limiting plates 202, and when the powdery material reaches the bottom side of the screening plate 201, the powdery material with smaller particles is basically screened completely, and the large-particle powdery material which is not screened is discharged directly through the discharge assembly 102.

The working principle of the embodiment is as follows: before screening, according to the particle fineness of the required screening, the screening frame 2 which is not in the specification is inserted into the insertion port 104 at a proper position of the screening box 1, the discharging component 102 is connected with the material box, a large amount of powder materials are poured into the screening box 1 through the material inlet 103, the vibrating motor 107 is controlled to vibrate, the vibrating motor 107 and the vibrating spring 106 drive the screening box 1 to vibrate, the pressing plate 108 is further driven to vibrate up and down through the reset spring 109, the agglomerated powder materials are crushed, the powder materials falling into the screening frame 2 move to one end of the discharging port 203 along the inclined screening plate 201 under the vibration and gravity action, the powder materials are limited through the limiting plates 202, the powder materials slowly move downwards along the limiting plates 202, after the powder materials pass through one screening frame 2, the inclined baffle 110 slides downwards and falls to the upper side of the next screening frame 2 along with one end of the baffle 110, the powder materials falling to the upper side of the other screening frame 2 vibrate up and down, the baffle 110 limits the powder materials, and the non-screened large-particle powder materials reach the discharging component 203 directly through the discharging component 102.

The foregoing is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, and any modification, equivalent replacement, and improvement of some of the technical features described in the foregoing embodiments are all within the scope of the present utility model.

Claims

1. The utility model provides a shale shaker that powdery material was used, includes screening case (1) and screening frame (2), its characterized in that: the screening box is characterized in that a pressing plate (108) is arranged at the upper end of the inner side of the screening box (1), two baffles (110) are fixedly welded on the inner side of the screening box (1) from top to bottom, two discharging assemblies (102) penetrate through and are clamped at the two ends of the screening box (1) from top to bottom, three screening frames (2) are slidably clamped on the inner side of the screening box (1) from top to bottom, a plurality of limiting plates (202) are arranged on the inner side of the screening frames (2) from left to right, and one baffle (110) is arranged between every two adjacent screening frames (2).

2. A vibrating screen for powder materials as claimed in claim 1, wherein: the screening box is characterized in that a feed inlet (103) is formed in one end of the upper side of the screening box (1), three plug-in connectors (104) are formed in the two ends of the screening box (1) in a penetrating mode from top to bottom, and the three plug-in connectors (104) are respectively located at the other ends of three discharging assemblies (102) on the upper side of the screening box (1).

3. A vibrating screen for powder materials as claimed in claim 1, wherein: the novel screening box is characterized in that a vibrating motor (107) is clamped at the center of the bottom end of the screening box (1), vibrating springs (106) are clamped at two ends of the bottom side of the screening box (1), a base (101) is clamped at the bottom end of each vibrating spring (106), and anti-slip pads (105) are clamped and fixed at the periphery of the bottom end of each base (101).

4. A vibrating screen for powder materials as claimed in claim 2, wherein: the four sides of the upper end of the pressing plate (108) are clamped with a reset spring (109), the upper end of the reset spring (109) is clamped at the top end of the inner side of the screening box (1), and the pressing plate (108) is positioned at the other side of the screening box (1) opposite to the feed inlet (103).

5. A vibrating screen for powder materials as claimed in claim 2, wherein: screening frame (2) inboard slope joint has sieve (201), limiting plate (202) welded fastening is in sieve (201) upside, one side in screening frame (2) is laminated to limiting plate (202) one end, discharge gate (203) have been seted up to screening frame (2) one end, one screening frame (2) runs through and peg graft in a grafting mouth (104) inboard, discharge gate (203) laminating in ejection of compact subassembly (102) one side of screening frame (2).