CN109225820B - Pneumatic vibrating screen - Google Patents

Pneumatic vibrating screen Download PDF

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Publication number
CN109225820B
CN109225820B CN201811165911.4A CN201811165911A CN109225820B CN 109225820 B CN109225820 B CN 109225820B CN 201811165911 A CN201811165911 A CN 201811165911A CN 109225820 B CN109225820 B CN 109225820B
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CN
China
Prior art keywords
screen
screen box
box
circular ring
air
Prior art date
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Active
Application number
CN201811165911.4A
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Chinese (zh)
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CN109225820A (en
Inventor
赵小欢
赵培
任龙
全俊涛
弋阳
贾文鹏
周勃延
向长淑
汤慧萍
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xi'an Sailong Additive Technology Co ltd
Original Assignee
Xi'an Sailong Metal Materials Co ltd
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Application filed by Xi'an Sailong Metal Materials Co ltd filed Critical Xi'an Sailong Metal Materials Co ltd
Priority to CN201811165911.4A priority Critical patent/CN109225820B/en
Publication of CN109225820A publication Critical patent/CN109225820A/en
Application granted granted Critical
Publication of CN109225820B publication Critical patent/CN109225820B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B2201/00—Details applicable to machines for screening using sieves or gratings
    • B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

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  • Combined Means For Separation Of Solids (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)

Abstract

The invention discloses a pneumatic vibrating screen, and relates to the field of vibrating screens. The vibrating screen is used for solving the problems of poor screening effect, low screening efficiency and high noise of the vibrating screen in the prior art. The vibrating screen comprises: a screen box, a driving part and a connecting part; the driving part comprises a pneumatic oscillator, and an air inlet unit and an air outlet unit which penetrate through the pneumatic oscillator; the pneumatic oscillator is arranged on the side wall of the screen box; the connecting part comprises a connecting circular ring and an elastic adjusting ball arranged on the lower surface of the connecting circular ring; the screen box comprises at least one screen from top to bottom, and the lower end of the screen box is contacted with the upper end of the connecting circular ring.

Description

Pneumatic vibrating screen
Technical Field
The invention relates to the field of vibrating screens, in particular to a pneumatic vibrating screen.
Background
The vibrating screen uses the principle of vibration excitation of a vibrating motor to enable materials to be thrown up on a screen surface, and simultaneously makes linear motion forwards to reasonably match with a screen mesh, so that the screening purpose is achieved.
At present, most vibrating screens are driven by motors, so that the noise is relatively large, the equipment is complex and heavy, and the vibrating screens cannot be used in a movable way; moreover, for some powder with finer grain size, the sieving effect of the vibrating screen is too poor, the sieving is easy, the sieving efficiency is lower, and the use requirement cannot be met.
To sum up, the existing vibrating screen has the problems of poor screening effect, low screening efficiency and high noise.
Disclosure of Invention
The embodiment of the invention provides a pneumatic vibrating screen, which is used for solving the problems of poor screening effect, low screening efficiency and high noise of the vibrating screen in the prior art.
An embodiment of the present invention provides a pneumatic vibrating screen, including: a screen box, a driving part and a connecting part;
the driving part comprises a pneumatic oscillator, and an air inlet unit and an air outlet unit which penetrate through the pneumatic oscillator; the pneumatic oscillator is arranged on the side wall of the screen box;
the connecting part comprises a connecting circular ring and an elastic adjusting ball arranged on the lower surface of the connecting circular ring;
the screen box comprises at least one screen from top to bottom, and the lower end of the screen box is contacted with the upper end of the connecting circular ring.
Preferably, the air inlet unit comprises an air inlet, an air station and an air pipe arranged between the air inlet and the air station, and a valve is further arranged on the air pipe;
the air outlet unit comprises an air outlet and a silencer arranged on the air outlet;
the pneumatic oscillator is arranged on the side wall of the screen box through a fixed seat arranged on the screen box.
Preferably, the screen box comprises at least an upper screen box and a lower screen box from top to bottom;
the screen mesh is arranged between the upper layer screen box and the lower layer screen box, and a sealing ring is arranged between the screen mesh and the upper layer screen box and between the screen mesh and the lower layer screen box;
the upper layer screen box and the lower layer screen box are fixed through a quick connector.
Preferably, the lower layer screen box is provided with a discharge hole, and the shape of the discharge hole is conical.
Preferably, the screen box further comprises a standard screen and a feed inlet;
the external diameter of feed inlet is adjustable, the upper end of feed inlet is used for setting up standard sieve, the lower extreme of feed inlet with the upper surface fixed connection of sieve case.
Preferably, the connecting member further comprises an elastic vibration damping structure;
the elastic vibration reduction structure is arranged between the connecting circular ring and the lower end of the screen box and is contacted with the lower end of the screen box.
Preferably, the device further comprises a storage barrel;
the upper end of the storage vat is contacted with the elastic adjusting ball box connected with the lower surface of the circular ring.
Preferably, the storage tank further comprises a movable tray, wherein the movable tray is used for setting the storage tank.
An embodiment of the present invention provides a pneumatic vibrating screen, including: a screen box, a driving part and a connecting part; the driving part comprises a pneumatic oscillator, and an air inlet unit and an air outlet unit which penetrate through the pneumatic oscillator; the pneumatic oscillator is arranged on the side wall of the screen box; the connecting part comprises a connecting circular ring and an elastic adjusting ball arranged on the lower surface of the connecting circular ring; the screen box comprises at least one screen from top to bottom, and the lower end of the screen box is contacted with the upper end of the connecting circular ring. The driving part of the device adopts gas driving, and the gas driving part is a vibration source of the vibrating screen, so that on one hand, energy sources can be saved, and mainly, the screening effect can be improved; furthermore, a plurality of layers of screens can be arranged in the screen box, so that the screening efficiency can be improved; the pneumatic vibrating screen provided by the embodiment of the invention solves the problems of poor screening effect, low screening efficiency and high noise of the vibrating screen in the prior art.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a pneumatic vibrating screen according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a screen box according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a screen box according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a connection component according to an embodiment of the present invention.
Reference numerals illustrate:
the device comprises a screen box-1, a driving part-2, a standard screen-3, a connecting part-4, a storage bucket-5, a movable tray-6, an upper screen box-1, a middle screen box-1-2, a lower screen box-1-3, a screen mesh-1-4, a quick connector-1-5, a sealing ring-1-6, a fixing seat-1-7, a pneumatic oscillator-2-1, an air inlet-2, an air outlet-2-3, a silencer-2-4, a valve-2-5, an air station-2-6, a connecting ring-4-1, an elastic vibration damping structure-4-2 and an elastic adjusting ball-4-3.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Fig. 1 schematically illustrates a structural diagram of a pneumatic vibrating screen according to an embodiment of the present invention, and as shown in fig. 1, the pneumatic vibrating screen mainly includes: a screen box 1, a drive member 2 and a connecting member 4.
Fig. 2 is a schematic structural diagram of a screen box 1 according to an embodiment of the present invention, and fig. 3 is a schematic sectional diagram of the screen box 1 according to an embodiment of the present invention. As shown in fig. 1, 2 and 3, the driving component provided in the embodiment of the present invention mainly includes a pneumatic oscillator 2-1, and an air inlet unit and an air outlet unit penetrating through the pneumatic oscillator 2-1. Specifically, the pneumatic vibrator 2-1 is disposed on a side wall of the screen box 1, and since the air inlet unit and the air outlet unit penetrate through the pneumatic vibrator 2-1, when the air in the air inlet unit enters the pneumatic vibrator 2-1, the air inlet unit drives the steel ball disposed in the pneumatic vibrator 2-1 to vibrate, so that the pneumatic vibrator 2-1 can be driven to vibrate, and further, the air passing through the pneumatic vibrator 2-1 is discharged from the air outlet unit.
As shown in fig. 2, the air inlet unit mainly comprises an air inlet 2-2, an air station 2-6 and an air pipe arranged between the air inlet 2-2 and the air station 2-6, and in practical application, in order to control the amount of air entering the screen box 1, a valve 2-5 is preferably arranged on the air pipe between the air inlet 2-2 and the air station 2-6, and the amount of air entering the screen box 1 from the air station 2-6 can be controlled through the valve 2-5. In the embodiment of the present invention, the length of the air pipe is not specifically limited, and the position of the valve 2-5 on the air pipe is not limited. The air outlet unit comprises an air outlet 2-3 and a silencer 2-4 arranged on the air outlet 2-3, and in practical application, noise can be generated when the vibrating screen works, and the noise generated when the vibrating screen works can be reduced through the silencer 2-4.
As shown in fig. 2 and 3, the screen box 1 provided in the embodiment of the present invention includes at least one layer of screen 1-4, where the screen 1-4 is disposed between the upper layer screen box 1-1 and the lower layer screen box 1-3, in order to avoid powder leakage problem between the screen 1-4 and the upper layer screen box 1-1 and the lower layer screen box 1-3 in practical application, preferably, a seal ring 1-6 is further disposed at a portion between the upper layer screen box 1-1 and the lower layer screen box 1-3 in contact with the screen 1-4, and a gap between the screen 1-4 and the upper layer screen box 1-1 and the lower layer screen box 1-3 can be sealed by the seal ring 1-6; further, in the actual installation process, the upper layer screen box 1-1 and the lower layer screen box 1-3 are fixed together through the quick connector 1-5, and the upper layer screen box 1-1 and the lower layer screen box 1-3 can be quickly fixed together through the quick connector 1-5. When a layer of screen cloth 1-4 is arranged in the screen box 1, a feed inlet is arranged on the upper surface of the upper layer screen box 1-1, and powder to be screened can be put into the screen box 1 through the feed inlet; meanwhile, a discharge hole is further formed in the lower end of the lower-layer screen box 1-3, the discharge hole is conical, and the discharge hole gradually reduces along with the increase of the distance between the lower-layer screen box 1-3.
The shape and size of the feed inlet provided on the upper surface of the upper layer screen box 1-1 can be adjusted.
Further, in order to provide screening efficiency of the vibrating screen, the number of screens 1-4 provided in the screen box 1 according to the embodiment of the present invention may further include multiple layers. For example, when the number of screens 1-4 provided in the screen box 1 includes two layers, the screen box 1 includes an upper screen box 1-1, a middle screen box 1-2 and a lower screen box 1-3 in this order from top to bottom, a first screen 1-4 is provided between the upper screen box 1-1 and the middle screen box 1-2, and a second screen 1-4 is provided between the middle screen box 1-2 and the lower screen box 1-3, and since the screen box 1 has a three-layer structure, a discharge port communicates with the lower end of the lower screen box 1-3.
In practical application, when a small amount of powder is required to be subjected to screening treatment during experiments, in order to be able to perform a small amount of screening experiments, in the embodiment of the present invention, a standard screen 3 is further provided, and the standard screen 3 can be mounted on the upper end of a feed inlet on the screen box 1, and since the shape and size of the feed inlet can be adjusted, the standard screen 3 with different sizes can be replaced according to experimental requirements. When the standard screen 3 is used on the vibrating screen, the screens 1 to 4 provided in the screen box 1 may be removed entirely.
As shown in fig. 2, a fixing seat 1-7 is further included on the outer side of the screen box 1, and the pneumatic vibrator 2-1 can be disposed on the outer side of the screen box 1 through the fixing seat 1-7. In practical application, a plurality of groups of mounting threaded holes can be formed in the fixing seat 1-7, and through the arrangement, the pneumatic oscillators 2-1 with different models can be mounted.
In practical application, the vibrating screen further comprises a storage vat 5, wherein the storage vat 5 is in contact with the connecting part 4, and the upper end of the connecting part 4 is in contact with a discharge hole arranged below the screen box 1. Specifically, fig. 4 is a schematic structural diagram of a connection component 4 according to an embodiment of the present invention, and as shown in fig. 4, the connection component 4 mainly includes a connection ring 4-1, an elastic vibration damping structure 4-2 and an elastic adjusting ball 4-3. Specifically, the elastic vibration damping structure 4-2 is disposed on the upper surface of the connection ring 4-1 and contacts the lower end of the lower screen box. In practical application, the number of the elastic vibration reduction structures 4-2 arranged between the connecting circular ring 4-1 and the lower layer sieve box at least comprises 3, and the 3 elastic vibration reduction structures 4-2 are uniformly distributed on the connecting circular ring 4-1; further, the elastic adjusting ball 4-3 is arranged on the lower surface of the connecting circular ring 4-1, friction between the connecting part 4 and the storage barrel 5 can be increased through the elastic adjusting ball 4-3, shaking between the screen box and the storage barrel is prevented, and moreover, the screen box 1 can be matched with the storage barrels 5 with different diameters through the elastic adjusting ball 4-3.
In practical application, 3 through holes and 3 hole bar-shaped holes can be formed in the connection ring 4-1, the holes are uniformly distributed on the connection ring 4-1, and each through hole on the connection ring 4-1 is coaxially arranged with the bolt and the elastic vibration reduction structure 4-2; each hole strip-shaped hole on the connecting ring 4-1 is used for installing an elastic adjusting ball 4-3 and fixing storage tanks 5 with different diameters.
In practical application, in order to facilitate transportation of the vibrating screen, preferably, the pneumatic vibrating screen provided by the embodiment of the invention further comprises a movable tray 6, wherein braking casters are mounted on the movable tray 6, and the storage vat 5 is arranged on the movable tray 6, so that the pneumatic vibrating screen can be conveniently moved back and forth by pushing the movable tray 6.
In summary, an embodiment of the present invention provides a pneumatic vibrating screen, including: a screen box, a driving part and a connecting part; the driving part comprises a pneumatic oscillator, and an air inlet unit and an air outlet unit which penetrate through the pneumatic oscillator; the pneumatic oscillator is arranged on the side wall of the screen box; the connecting part comprises a connecting circular ring and an elastic adjusting ball arranged on the lower surface of the connecting circular ring; the screen box comprises at least one screen from top to bottom, and the lower end of the screen box is contacted with the upper end of the connecting circular ring. The driving part of the device adopts gas driving, and the gas driving part is a vibration source of the vibrating screen, so that on one hand, energy sources can be saved, and mainly, the screening effect can be improved; furthermore, a plurality of layers of screens can be arranged in the screen box, so that the screening efficiency can be improved; the pneumatic vibrating screen provided by the embodiment of the invention solves the problems of poor screening effect, low screening efficiency and high noise of the vibrating screen in the prior art.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims (7)

1. A pneumatic vibrating screen, comprising: the device comprises a screen box, a storage barrel, a driving part and a connecting part;
the driving part comprises a pneumatic oscillator, and an air inlet unit and an air outlet unit which penetrate through the pneumatic oscillator; the pneumatic oscillator is arranged on the side wall of the screen box;
the connecting part comprises a connecting circular ring and an elastic adjusting ball arranged on the lower surface of the connecting circular ring;
the screen box at least comprises a screen from top to bottom, and the lower end of the screen box is in contact with the upper end of the connecting circular ring;
the upper end of the storage barrel is contacted with an elastic adjusting ball on the lower surface of the connecting circular ring;
the elastic adjusting ball is arranged on the lower surface of the connecting circular ring, friction between the connecting part and the storage barrel is increased through the elastic adjusting ball, and shaking between the screen box and the storage barrel is prevented.
2. The vibrating screen as recited in claim 1 wherein the air intake unit includes an air inlet, an air station, and an air tube disposed between the air inlet and the air station, the air tube further having a valve disposed thereon;
the air outlet unit comprises an air outlet and a silencer arranged on the air outlet;
the pneumatic oscillator is arranged on the side wall of the screen box through a fixed seat arranged on the screen box.
3. The vibratory screen of claim 1, wherein the screen box includes, from top to bottom, at least an upper screen box and a lower screen box;
the screen mesh is arranged between the upper layer screen box and the lower layer screen box, and a sealing ring is arranged between the screen mesh and the upper layer screen box and between the screen mesh and the lower layer screen box;
the upper layer screen box and the lower layer screen box are fixed through a quick connector.
4. A vibrating screen as claimed in claim 3 wherein the lower screen box is provided with a discharge port which is tapered in shape.
5. The vibratory screen of claim 1, wherein the screen box further includes a standard screen and a feed inlet;
the external diameter of feed inlet is adjustable, the upper end of feed inlet is used for setting up standard sieve, the lower extreme of feed inlet with the upper surface fixed connection of sieve case.
6. The vibratory screen of claim 1 wherein said attachment member further includes an elastic vibration dampening structure;
the elastic vibration reduction structure is arranged between the connecting circular ring and the lower end of the screen box and is contacted with the lower end of the screen box.
7. The vibratory screen of claim 1, further comprising a mobile tray for positioning the storage basket.
CN201811165911.4A 2018-09-30 2018-09-30 Pneumatic vibrating screen Active CN109225820B (en)

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Application Number Priority Date Filing Date Title
CN201811165911.4A CN109225820B (en) 2018-09-30 2018-09-30 Pneumatic vibrating screen

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Application Number Priority Date Filing Date Title
CN201811165911.4A CN109225820B (en) 2018-09-30 2018-09-30 Pneumatic vibrating screen

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CN109225820B true CN109225820B (en) 2023-05-30

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CN110976277A (en) * 2019-12-31 2020-04-10 西安赛隆金属材料有限责任公司 Pneumatic vibrating screen

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Publication number Priority date Publication date Assignee Title
GB589698A (en) * 1944-06-09 1947-06-27 Austin Richard Palmer Improvements in and relating to the preparation of flour for baking bread and the like
CN103658020A (en) * 2013-12-10 2014-03-26 重庆风过旗扬科技发展有限公司 Pneumatic type vibrating screen
CN105499122A (en) * 2016-01-04 2016-04-20 新乡市振英机械设备有限公司 Multi-frequency vibrating screen
CN107774562A (en) * 2016-08-29 2018-03-09 丹阳市同乐面粉有限公司 A kind of flour vibratory sieve and its method of work
CN107159569A (en) * 2017-06-23 2017-09-15 新乡市东振机械制造有限公司 A kind of gas shakes formula vibratory sieve
CN107282435A (en) * 2017-06-23 2017-10-24 新乡市东振机械制造有限公司 Gas shakes formula spin vibration sieve
CN207454936U (en) * 2017-11-16 2018-06-05 浙江卡博铜业有限公司 A kind of dual side seal loose joint pipe fitting of portable full-bore
CN209061563U (en) * 2018-09-30 2019-07-05 西安赛隆金属材料有限责任公司 A kind of pneumatic vibrating screen

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