CN212093154U

CN212093154U - Grit screening plant

Info

Publication number: CN212093154U
Application number: CN202020358317.3U
Authority: CN
Inventors: 彭睿
Original assignee: Xuzhou Sujianxinneng Environmental Protection Technology Co ltd
Current assignee: Xuzhou Sujianxinneng Environmental Protection Technology Co ltd
Priority date: 2020-03-20
Filing date: 2020-03-20
Publication date: 2020-12-08
Anticipated expiration: 2030-03-20

Abstract

The utility model discloses a grit screening plant relates to grit processing technology field. The utility model comprises a screening shell; the middle part of the screening shell is fixedly provided with a hopper; two pairs of symmetrically arranged feed back cavities which are in hollow cylindrical structures are formed in the screening shell; the lower part of the screening shell is also provided with two waste material connecting pipes; one end of each waste connecting pipe is respectively communicated with the corresponding material return cavity; spiral material conveying assemblies are fixedly arranged in the two material returning cavities; the upper parts of the two material return cavities are communicated with the hopper through a material return discharge pipe; a mounting substrate is fixedly connected between the inner surfaces of the hoppers; the surface of the mounting substrate is fixedly connected with a transmission motor. The utility model discloses a material return chamber, the defeated material subassembly of spiral and the design of breaing up the subassembly become the once screening of static formula of traditional screening plant and be circulated formula multiple screening, at the screening in-process, can also reprocess the material and make the material fully break up simultaneously.

Description

Grit screening plant

Technical Field

The utility model belongs to the technical field of the grit processing, especially, relate to a grit screening plant.

Background

Along with the development of science and technology, architectural equipment has had very big degree of development, and its development has brought very big facility for people when building worker's building, and grit screening plant for construction is the device that is very common among the architectural equipment, and it can be sieved the grit to satisfy different user demands, its kind and quantity are also increasing day by day. Although the sand and stone screening plant for construction on the existing market is very many in type and quantity, most sand and stone screening plants for construction are usually static type one-time screening, and the materials can not be scattered during screening, so that the screening type screening error rate is higher.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a grit screening plant through the design of the defeated material subassembly of vibration casing, arc filter plate and spiral, has solved the higher problem of current grit screening plant wrong sieve rate.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a sand and stone screening device, which comprises a screening shell; the middle part of the screening shell is fixedly provided with a hopper; two pairs of symmetrically arranged feed back cavities which are in hollow cylindrical structures are formed in the screening shell; the lower part of the screening shell is also provided with two waste material connecting pipes; one ends of the two waste connecting pipes are respectively communicated with the material returning cavities at corresponding positions; spiral material conveying assemblies are fixedly arranged in the two material returning cavities; the upper parts of the two feeding back cavities are communicated with the hopper through feeding back calandria; a mounting substrate is fixedly connected between the inner surfaces of the hoppers; the surface of the mounting substrate is fixedly connected with a transmission motor; one end of the output shaft of the transmission motor is fixedly connected with a rotating shaft; one end of the rotating shaft output shaft is fixedly connected with a group of scattering assemblies distributed in a linear array; the bottom of the surface of the screening shell is fixedly connected with two symmetrically arranged support plates; the surfaces of the two support plates are fixedly connected with a group of damping shock absorption pieces; the surfaces of the two support plates are connected with a vibration shell through damping shock-absorbing pieces; an arc-shaped filter plate is fixedly arranged on the bottom surface of the vibration shell; two groups of symmetrically arranged vibration motors are fixedly connected to the surface of the vibration shell; waste material discharge openings are formed in the two side faces of the vibration shell; one end of each waste discharge port is communicated with the corresponding waste connecting pipe.

Further, the break-up assembly includes a connection ring; the inner wall of the connecting ring is fixedly connected with the rotating shaft; the circumferential side surface of the connecting ring is fixedly connected with a group of scattering rods distributed in a circumferential array.

Furthermore, the lower ends of the two material return cavities are communicated with the outside; the peripheral side surfaces of the two material return cavities are provided with material valves; the hopper is positioned right above the arc-shaped filter plate.

Furthermore, the two spiral conveying assemblies respectively comprise a linear motor, a driving shaft and spiral conveying blades; the bottom surface of the linear motor is fixedly connected with the screening shell; one end of the output shaft of the linear motor is fixedly connected with the driving shaft; the peripheral side surface of the driving shaft is connected with the spiral conveying blade.

Further, the bottom surface of the hopper is in an inclined plane shape; the arc-shaped filter plate is of an arc-shaped convex structure.

The utility model discloses following beneficial effect has:

the utility model discloses a design of feed back chamber, spiral material conveying subassembly and break up the subassembly becomes the primary screening of static formula of traditional screening plant and is divided into circulated multiple screening, simultaneously at the screening in-process, can also reprocess the material and make the material fully break up, through the change of screening form and reprocessing flow, can effectively promote screening speed and screening effect on the one hand, and on the other hand can effectively reduce the wrong sieve rate of material.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic sectional view of a sand screening apparatus;

FIG. 2 is a schematic structural diagram of a vibration shell, an arc-shaped filter plate, a vibration motor and a waste discharge port;

FIG. 3 is a schematic view of the structure of the hopper, mounting base plate and drive motor;

FIG. 4 is a schematic view of the structure of the rotating shaft and the scattering assembly;

in the drawings, the components represented by the respective reference numerals are listed below:

1-screening shell, 2-hopper, 3-reclaiming cavity, 4-waste material connecting pipe, 5-spiral conveying component, 6-reclaiming discharging pipe, 7-mounting base plate, 8-driving motor, 9-rotating shaft, 10-scattering component, 11-support plate, 12-damping shock absorption piece, 13-vibration shell, 14-arc filter plate, 15-vibration motor, 16-waste material discharging port and 17-material valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention relates to a sand and stone screening device, which comprises a screening housing 1; the middle part of the screening shell 1 is fixedly provided with a hopper 2; two pairs of symmetrically arranged feed back cavities 3 which are in hollow cylindrical structures are formed in the screening shell 1; the lower part of the screening shell 1 is also provided with two waste connecting pipes 4; one end of each waste material connecting pipe 4 is respectively communicated with the corresponding material returning cavity 3; spiral material conveying assemblies 5 are fixedly arranged in the two material returning cavities 3; the upper parts of the two material return cavities 3 are communicated with the hopper 2 through a material return calandria 6;

a mounting substrate 7 is fixedly connected between the inner surfaces of the hoppers 2; the surface of the mounting substrate 7 is fixedly connected with a transmission motor 8; one end of the output shaft of the transmission motor 8 is fixedly connected with a rotating shaft 9; one end of the output shaft of the rotating shaft 9 is fixedly connected with a group of scattering assemblies 10 which are distributed in a linear array; the bottom of the surface of the screening shell 1 is fixedly connected with two symmetrically arranged support plates 11; the surfaces of the two support plates 11 are fixedly connected with a group of damping shock absorption pieces 12; the surfaces of the two support plates 11 are connected with a vibration shell 13 through damping shock-absorbing pieces 12; an arc-shaped filter plate 14 is fixedly arranged on the bottom surface of the vibration shell 13; two groups of symmetrically arranged vibration motors 15 are fixedly connected to the surface of the vibration shell 13; two side surfaces of the vibration shell 13 are provided with waste material discharge openings 16; one end of each waste material discharge opening 16 is respectively communicated with the waste material connecting pipe 4 at the corresponding position.

Wherein the break-up assembly 10 includes a connection ring; the inner wall of the connecting ring is fixedly connected with the rotating shaft 9; the circumferential side surface of the connecting ring is fixedly connected with a group of scattering rods distributed in a circumferential array.

Wherein, the lower ends of the two material returning cavities 3 are communicated with the outside; the peripheral side surfaces of the two material return cavities 3 are provided with material valves 17; the hopper 2 is positioned right above the arc-shaped filter plate 14.

Wherein, the two spiral conveying assemblies 5 respectively comprise a linear motor, a driving shaft and spiral conveying blades; the bottom surface of the linear motor is fixedly connected with the screening shell 1; one end of the output shaft of the linear motor is fixedly connected with the driving shaft; the peripheral side surface of the driving shaft is connected with the spiral conveying blade.

Wherein, the bottom surface of the hopper 2 is in an inclined plane shape; the arc-shaped filter plate 14 is of an arc-shaped convex structure.

One specific application of this embodiment is: when in work, the transmission motor 8 and the two spiral material conveying assemblies 5 work at a set speed, simultaneously, the two groups of vibration motors 13 work at a set frequency, the sand to be screened continuously enters the hopper 2, when the materials are fed, the materials are scattered by the plurality of scattering assemblies 10, the primarily scattered materials enter the surface of the arc-shaped filter plate 14, under the action of the vibration motor 13, the qualified materials are discharged through the arc-shaped filter plate 14, the unqualified materials enter the material returning cavity 3 through the surface of the arc-shaped filter plate 14, the waste material discharge port 16 and the waste material connecting pipe 4, the material entering the material returning cavity 3 enters the hopper again through the material returning calandria 6 under the action of the spiral material conveying component 5, and the above-mentioned process of breaing up and filtering is circulated repeatedly, until the grit particle size is qualified, after screening finishes, open material valve 17 and make two defeated material subassemblies of spiral 5 reversal simultaneously, then discharge the material that can not be processed.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a grit screening plant, includes screening casing (1), its characterized in that:

the middle part of the screening shell (1) is fixedly provided with a hopper (2); two pairs of symmetrically arranged material returning cavities (3) which are of hollow cylindrical structures are formed in the screening shell (1); the lower part of the screening shell (1) is also provided with two waste connecting pipes (4); one ends of the two waste connecting pipes (4) are respectively communicated with the material returning cavities (3) at corresponding positions; spiral material conveying assemblies (5) are fixedly arranged in the two material returning cavities (3); the upper parts of the two feeding back cavities (3) are communicated with the hopper (2) through feeding back calandria (6);

a mounting substrate (7) is fixedly connected between the inner surfaces of the hoppers (2); the surface of the mounting substrate (7) is fixedly connected with a transmission motor (8); one end of an output shaft of the transmission motor (8) is fixedly connected with a rotating shaft (9); one end of the output shaft of the rotating shaft (9) is fixedly connected with a group of scattering assemblies (10) which are distributed in a linear array;

the bottom of the surface of the screening shell (1) is fixedly connected with two symmetrically arranged support plates (11); the surfaces of the two support plates (11) are fixedly connected with a group of damping shock absorption pieces (12); the surfaces of the two support plates (11) are connected with a vibration shell (13) through damping shock-absorbing pieces (12); an arc-shaped filter plate (14) is fixedly arranged on the bottom surface of the vibration shell (13); two groups of vibration motors (15) which are symmetrically arranged are fixedly connected to the surface of the vibration shell (13); waste material discharge openings (16) are formed in the two side faces of the vibration shell (13); one end of each waste discharge port (16) is respectively communicated with the corresponding waste connecting pipe (4).

2. A sand screening device according to claim 1, characterised in that the break up assembly (10) includes a coupling ring; the inner wall of the connecting ring is fixedly connected with the rotating shaft (9); the circumferential side surface of the connecting ring is fixedly connected with a group of scattering rods distributed in a circumferential array.

3. A sand screening device according to claim 1 or claim 2, characterised in that the lower ends of both said return chambers (3) are in communication with the exterior; the peripheral side surfaces of the two material return cavities (3) are provided with material valves (17); the hopper (2) is positioned right above the arc-shaped filter plate (14).

4. A sand screening device according to claim 3, characterised in that both of said auger assemblies (5) include a linear motor, a drive shaft and auger vanes; the bottom surface of the linear motor is fixedly connected with the screening shell (1); one end of the output shaft of the linear motor is fixedly connected with the driving shaft; the peripheral side surface of the driving shaft is connected with the spiral conveying blade.

5. A sand and rock screening apparatus according to claim 1, 2 or 4, wherein the hopper (2) is sloped on its underside.

6. A sand and gravel screening device according to claim 1, 2 or 4, wherein the arcuate filter plates (14) are arcuate convex shaped.