CN107803337A - Ultra-fine pulvis screening oscillator - Google Patents
Ultra-fine pulvis screening oscillator Download PDFInfo
- Publication number
- CN107803337A CN107803337A CN201711013709.5A CN201711013709A CN107803337A CN 107803337 A CN107803337 A CN 107803337A CN 201711013709 A CN201711013709 A CN 201711013709A CN 107803337 A CN107803337 A CN 107803337A
- Authority
- CN
- China
- Prior art keywords
- base
- connecting rod
- screen frame
- screening
- screen cloth
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- 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
- 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
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses ultra-fine pulvis screening oscillator, including base, cover plate, screen frame, screen cloth, groove is provided with base upper surface, flange is provided with its external wall along the lower surface excircle of screen frame, flange is connected by fastener with base, secondary discharge nozzle is provided with base lower surface, primary discharge nozzle is provided with screen frame side wall, top cover seals the upper end open of screen frame, feed pipe is provided with the middle part of top cover, skeleton includes reinforcing ring, three resonant rings and three connecting rods, connected between two adjacent resonant rings by connecting rod, three connecting plates are provided with screen frame lower end inner wall, the middle part of connecting rod is fixed with connecting rod, connecting rod is connected by bolt with the connecting plate.Skeleton below screen cloth is not influenceing material on the premise of, substantially increases the support strength of screen cloth so that the supporting power increase of screen cloth, can effectively improve yield and service life.
Description
Technical field
The present invention relates to materials fine screening field, in particular to ultra-fine pulvis screening oscillator.
Background technology
The movement locus of supersonic oscillations sieve is a kind of more numbers of plies, new high-efficiency shaking screen circumferentially.Supersonic oscillations are sieved
Using barrel-type eccentric shaft vibration exciter and inclined block adjusting amplitude, material sieve drops down line length, and screening specification is more, is initially designed to adopt
Work stone sieves in stone factory, and it is wide to make grading equally application in mine, coal separation, ore dressing, building materials, electric power and chemical industry department etc. at present
General, it has, and structure is reliable, exciting force is strong, screening efficiency is high, vibrating noise is small, sturdy and durable, easy to maintenance, safe to use etc.
Feature.But existing supersonic oscillations sieve can only use separate unit ultrasonic screening system, screening precision, which can not have, substantially to be carried
Height, it can only be adjusted in a fixed value；Compass screen surface vibration frequency is uneven, although ultrasonic transducer is arranged on rack interposition
Put, and compass screen surface is delivered to by then passing through a resonant ring, so vibration frequency difficult to realize is uniformly distributed, so as to influence yield
And screening precision.
The content of the invention
It is an object of the invention to provide ultra-fine pulvis screening oscillator, to solve drawbacks described above.
The purpose of the present invention is achieved through the following technical solutions：
Ultra-fine pulvis screening oscillator, including the tubular screen frame of base, cover plate, both ends open, be arranged on inside screen frame
And the screen cloth that its diameter is equal with screen frame internal diameter, groove is provided with the base upper surface, it is cylindrical along the lower surface of the screen frame
Week is provided with flange on its external wall, and the flange is connected by fastener with base, the top of screen cloth face groove, and in base
Lower surface is provided with the secondary discharge nozzle that is connected with groove, is provided with primary discharge nozzle in screen frame side wall, and the top cover is by screen frame
Upper end open is sealed, and feed pipe is provided with the middle part of top cover, in addition to the skeleton being placed in below screen cloth, and the skeleton includes strengthening
The connecting rod that ring, three resonant rings and three ends are connected with reinforcing ring outer circle wall, pass through between adjacent two resonant rings
The connecting rod connection of arc, is provided with three connecting plates corresponding with connecting rod respectively, the connecting rod on the screen frame lower end inner wall
Middle part fixed with the connecting rod, connecting rod is connected by bolt with the connecting plate, is also set up on each described connecting rod
There is mounting seat, and mounting hole is provided with mounting seat, ultrasonic transducer is arranged in mounting hole.For existing concussion sieve
Narrow application range, and the unconspicuous defect of precision raising effect sieved, applicant design a kind of new supersonic oscillations
Instrument, including base and screen frame, screen cloth, skeleton and cover plate on base, material are entered on screen cloth by feed pipe,
After starting ultrasonic transducer, screen cloth proceeds by vibration to carry out the screening of material, in screening process, the material of bulky grain without
Method enters groove by the sieve aperture on screen cloth, and primary is entered to by the upper surface of screen cloth under vibrating effect caused by ultrasonic wave
In feed pipe, and short grained material then drops under the factor of self gravitation by suspended state, enters eventually through screen cloth
Enter to groove, then discharged by secondary discharge nozzle, to facilitate the centralized collection of operating personnel；Bone wherein below screen cloth
Frame includes reinforcing ring and three resonant rings, is connected between adjacent two resonant rings by connecting rod, and reinforcing ring then passes through three
Connecting plate bolt connection on individual connecting rod and screen frame inwall, i.e., form four sources of resonant excitation in screen bottom, and ultrasonic wave transducer
It is between two adjacent resonant rings that device, which is fixed in connecting rod, directly increases by two sources of resonant excitation so that enter to material
During row screening, the uniformity of increase compass screen surface vibration frequency distribution, to realize increasing substantially for screening precision, realize and improve screening
The purpose of efficiency.Also, the skeleton below screen cloth is not influenceing material on the premise of, substantially increases the branch of screen cloth
Support intensity so that the supporting power increase of screen cloth, yield and service life can be effectively improved.Further, the number of screen cloth is not
It is limited to one, when the screening required precision of material is high, multilayer and the screening being related in the technical program can be set on base
Structure, i.e., the screening unit being made up of screen cloth, screen frame, skeleton and flange, to realize the multi-stage screening of material, ensure final
The material size discharged by secondary discharge nozzle meets the requirements.
Be provided with the through hole connected with groove in the side wall of the base, after cable penetration through hole with the ultrasonic transducer
Electrical connection.Ultrasonic transducer is arranged on skeleton bottom, to reduce adhesion amount of the material in ultrasonic transducer outer wall, and with
The cable that ultrasonic transducer is connected is connected by groove and through hole with external power source and controller, can be to a certain degree
Upper weakening cable is influenceed by ultrasonic activation, and then ensures the stability in use of ultrasonic transducer.
Three connecting rods are curved, and three connecting rods are located on the circular path of same circle.Further,
Three connecting rods are located on the circular path of same circle, and three resonant rings are then located at the trisection point of the circular path respectively
On, wherein the center line of the circle overlaps with the axis of screen frame, i.e., the state so that the resonance point position below screen cloth is evenly distributed, increases
Add the screening efficiency of material on screen cloth.
The fastener includes the body being fixed on base side wall and the be hinged movable block being arranged on body, in institute
State movable block on be provided with screw, tapped through hole corresponding with screw is provided with the upper surface of flange and base.Buckle
The body of part is fixed on the outer wall of base, and when being installed to screen frame, rotates movable block so that the screw on movable block
Screwed hole centering with flange and base upper surface, is then attached fixation using bolt and nut to three, when
When needing to change screen cloth or cleaned, rotating bolt or nut, i.e., quickly it can realize between screen frame and base
Separation, the using flexible of the setting increase concussion instrument of fastener.
The present invention compared with prior art, has the following advantages and advantages：
1st, skeleton of the present invention below screen cloth is not influenceing material on the premise of, substantially increases the branch of screen cloth
Support intensity so that the supporting power increase of screen cloth, yield and service life can be effectively improved；
2nd, the number of screen cloth of the invention is not limited to one, when the screening required precision of material is high, can be set on base
Put multilayer and the screening structure being related in the technical program, i.e., the screening list being made up of screen cloth, screen frame, skeleton and flange
Member, to realize the multi-stage screening of material, the material size for ensureing finally to be discharged by secondary discharge nozzle meets the requirements；
3rd, the body of fastener is fixed on the outer wall of base in the present invention, and when being installed to screen frame, is rotated and lived
Motion block so that the screw on movable block and the screwed hole centering on flange and base upper surface, then utilize bolt and spiral shell
Cap is attached fixation to three, and when needing to change screen cloth or cleaned, rotating bolt or nut that is, can be fast
Speed realizes the separation between screen frame and base, the using flexible of the setting increase concussion instrument of fastener.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, forms one of the application
Point, do not form the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the structural representation of screen cloth；
Fig. 3 is the structural representation of skeleton.
Mark and corresponding parts title in accompanying drawing：
1- screen clothes, 2- ultrasonic transducers, 3- skeletons, 4- screen frames, 5- resonant rings, 6- connecting rods, 7- reinforcing rings, 8- connections
Plate, 9- mounting seats, 10- mounting holes, 11- primary discharge nozzle, 12- cover plates, 13- feed pipes, 14- bases, 15- beam rings, 16- level
Discharge nozzle, 17- fasteners, 18- cables.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment and accompanying drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make
For limitation of the invention.
Embodiment 1
As shown in Figures 1 to 3, the present embodiment include base 14, cover plate 12, both ends open tubular screen frame 4, be arranged on screen frame
4 inside and its diameter screen cloth 1 equal with the internal diameter of screen frame 4, are provided with groove, along the screen frame 4 in the upper surface of base 14
Lower surface excircle is provided with flange on its external wall, and the flange is connected by fastener 17 with base 14, the face groove of screen cloth 1
Top, and be provided with the secondary discharge nozzle 16 that connect with groove in the lower surface of base 14, primary discharge be provided with the side wall of screen frame 4
Pipe 11, the top cover 12 seals the upper end open of screen frame 4, and portion is provided with feed pipe 13 in the cover 12, in addition to is placed in sieve
The skeleton 3 of the lower section of net 1, the skeleton 3 include 7, three resonant rings 5 of reinforcing ring and three ends and the outer circle wall of reinforcing ring 7
The connecting rod 6 of connection, connected by the connecting rod of arc between adjacent two resonant rings 5, set on the lower end inner wall of screen frame 4
There are three connecting plates 8 corresponding with connecting rod 6 respectively, middle part and the connecting rod of the connecting rod 6 are fixed, and connecting rod 6 passes through bolt
It is connected with the connecting plate 8, is additionally provided with mounting seat 9 on each described connecting rod 6, and mounting hole is provided with mounting seat 9
10, ultrasonic transducer 2 is arranged in mounting hole 10.For the narrow application range of existing concussion sieve, and the precision sieved carries
The unconspicuous defect of high effect, applicant design a kind of new supersonic oscillations instrument, including the base 14 and bottom of installed in
Screen frame 4, screen cloth 1, skeleton 3 and cover plate 12 on seat 14, material are entered on screen cloth 1 by feed pipe 13, start ultrasonic waves
Can be after device 2, screen cloth 1 proceeds by vibration to carry out the screening of material, and in screening process, the material of bulky grain can not pass through screen cloth
Sieve aperture on 1 enters groove, and primary feed tube 11 is entered to by the upper surface of screen cloth 1 under vibrating effect caused by ultrasonic wave
It is interior, and short grained material then drops under the factor of self gravitation by suspended state, is entered to eventually through screen cloth 1 recessed
In groove, then discharged by secondary discharge nozzle 16, to facilitate the centralized collection of operating personnel；Wherein positioned at the skeleton 3 of the lower section of screen cloth 1
Including reinforcing ring 7 and three resonant rings 5, connected between adjacent two resonant rings 5 by connecting rod 6, and reinforcing ring 7 then passes through
Three connecting rods and the bolt connection of connecting plate 8 on the inwall of screen frame 4, i.e., form four sources of resonant excitation in the bottom of screen cloth 1, and ultrasonic wave
It is between two adjacent resonant rings 5 that transducer 2, which is fixed in connecting rod, directly increases by two sources of resonant excitation so that right
When material is screened, the uniformity of increase compass screen surface vibration frequency distribution, to realize increasing substantially for screening precision, realization carries
The purpose of high screening efficiency.Also, the skeleton 3 positioned at the lower section of screen cloth 1 is not influenceing material on the premise of, substantially increases
The support strength of screen cloth 1 so that the supporting power increase of screen cloth 1, yield and service life can be effectively improved.Further, sieve
The number of net 1 is not limited to one, and when the screening required precision of material is high, multilayer and the technical program can be set on base 14
In the screening structure that is related to, i.e., the screening unit being made up of screen cloth 1, screen frame 4, skeleton 3 and flange, to realize the more of material
Level screening, the material size for ensureing finally to be discharged by secondary discharge nozzle 16 meet the requirements.
Wherein, be provided with the through hole that is connected with groove in the side wall of the base 14, cable 18 run through after through hole with it is described super
Acoustic wave transducer electricity 2 connects.Ultrasonic transducer 2 is arranged on the bottom of skeleton 3, to reduce material outside ultrasonic transducer 2
The adhesion amount of wall, and the cable 18 being connected with ultrasonic transducer 2 passes through groove and through hole and external power source and control
Device connects, and can weaken cable to a certain extent is influenceed by ultrasonic activation, and then ensures the use of ultrasonic transducer 2
Stability.
Three connecting rods 6 are curved, and three connecting rods 6 are located on the circular path of same circle.Further
Ground, three connecting rods 6 are located on the circular path of same circle, and three resonant rings 5 are then respectively positioned at the third of the circular path
In branch, wherein the center line of the circle overlaps with the axis of screen frame, that is, causes the resonance point position of the lower section of screen cloth 1 in a uniform distribution
State, increase the screening efficiency of material on screen cloth 1.
The fastener 17 includes the body being fixed in the side wall of base 14 and the be hinged movable block being arranged on body,
Screw is provided with the movable block, screw thread corresponding with screw is provided with the upper surface of flange and base 14 and is led to
Hole.The body of fastener 17 is fixed on the outer wall of base, and when being installed to screen frame 4, rotates movable block so that activity
Screw on block and the screwed hole centering on flange and base upper surface, are then connected using bolt and nut to three
Connect fixation, when needing that screen cloth 1 is changed or cleaned, rotating bolt or nut, i.e., can quickly realize screen frame 4 with
Separation between base 14, the using flexible of the setting increase concussion instrument of fastener 17.
Above-described embodiment, the purpose of the present invention, technical scheme and beneficial effect are carried out further
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., all should include
Within protection scope of the present invention.
Claims (4)
1. ultra-fine pulvis screening oscillator, including the tubular screen frame (4) of base (14), cover plate (12), both ends open, it is arranged on
The screen cloth (1) that screen frame (4) is internal and its diameter is equal with screen frame (4) internal diameter, it is characterised in that：In the base (14) upper surface
Groove is provided with, is provided with flange on its external wall along the lower surface excircle of the screen frame (4), the flange passes through fastener (17)
It is connected with base (14), the top of screen cloth (1) face groove, and the secondary connected with groove is provided with base (14) lower surface and is gone out
Expects pipe (16), is provided with primary discharge nozzle (11) in screen frame (4) side wall, and the top cover (12) is close by the upper end open of screen frame (4)
Envelope, and it is provided with feed pipe (13), in addition to the skeleton (3) being placed in below screen cloth (1), the skeleton (3) in the middle part of top cover (12)
The connecting rod being connected including reinforcing ring (7), three resonant rings (5) and three ends with reinforcing ring (7) outer circle wall, adjacent two
Connected between individual resonant ring (5) by the connecting rod of arc, be provided with the screen frame (4) lower end inner wall three respectively with connecting rod
Corresponding connecting plate (8), the middle part of the connecting rod are fixed with the connecting rod, and connecting rod is connected by bolt and the connecting plate (8)
Connect, mounting seat (9) is additionally provided with each described connecting rod, and mounting hole (10), ultrasonic waves are provided with mounting seat (9)
Energy device (2) is arranged in mounting hole (10).
2. ultra-fine pulvis screening oscillator according to claim 1, it is characterised in that：Side wall in the base (14)
The through hole connected with groove is provided with, cable (18) electrically connects after running through through hole with the ultrasonic transducer (2).
3. ultra-fine pulvis screening oscillator according to claim 1, it is characterised in that：Three connecting rods (6) are in
Arc, and three connecting rods (6) are located on the circular path of same circle.
4. ultra-fine pulvis screening oscillator according to claim 1, it is characterised in that：The fastener (17) includes solid
The body and the be hinged movable block being arranged on body being scheduled in base (14) side wall, spiral shell is provided with the movable block
Hole, tapped through hole corresponding with screw is provided with the upper surface of flange and base (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711013709.5A CN107803337A (en) | 2017-10-26 | 2017-10-26 | Ultra-fine pulvis screening oscillator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711013709.5A CN107803337A (en) | 2017-10-26 | 2017-10-26 | Ultra-fine pulvis screening oscillator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107803337A true CN107803337A (en) | 2018-03-16 |
Family
ID=61592508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711013709.5A Withdrawn CN107803337A (en) | 2017-10-26 | 2017-10-26 | Ultra-fine pulvis screening oscillator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107803337A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2017
- 2017-10-26 CN CN201711013709.5A patent/CN107803337A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180316 |