CN104668178A - Anti-blocking rotary screen - Google Patents
Anti-blocking rotary screen Download PDFInfo
- Publication number
- CN104668178A CN104668178A CN201310616609.7A CN201310616609A CN104668178A CN 104668178 A CN104668178 A CN 104668178A CN 201310616609 A CN201310616609 A CN 201310616609A CN 104668178 A CN104668178 A CN 104668178A
- Authority
- CN
- China
- Prior art keywords
- screen drum
- drum
- main shaft
- blocking
- screen
- 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.)
- Granted
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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
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
-
- 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
- B07B1/50—Cleaning
- B07B1/54—Cleaning with beating devices
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention provides an anti-blocking rotary screen, and relates to the technical field of screening equipment, so as to solve the problem that the comb-type cleaning device of the existing anti-blocking rotary screen is bad in cleaning effect and easy to be damaged. The anti-blocking rotary screen comprises a rotationally installed cylindrical screen drum. A main shaft in parallel with the central axis of the screen drum is arranged inside the screen drum. The main shaft rotates in synchronization with the screen drum. A plurality of smooth shafts for connecting the main shaft with the screen drum is further arranged inside the screen drum. All the smooth shafts are sleeved with vibrating hammers which are able to slide freely. The anti-blocking rotary screen is simple in structure, reasonable in arrangement, convenient in installation, good in blockage cleaning effect, saves the time for cleaning the screen drum manually, avoids the occurrence of unnecessary human body and mechanical damages, and reduces labor intensity. The anti-blocking rotary screen can also screen materials whose water content is more than 15%. The anti-blocking rotary screen shortens the screening time, increases the production efficiency, and the anti-blocking rotary screen is stable in production operations, and can be used for years without maintenance.
Description
Technical field
The present invention relates to screening plant technical field, refer to a kind of anti-blocking drum sieve especially.
Background technology
Rotary screen mainly carries out sieving the equipment be separated to solid material, and the material entering rotary screen carries out along with the rotation of screen drum overturning and rolls, and the discharging opening of qualified material bottom screen drum is discharged, and underproof material is discharged through the discharge gate of screen drum afterbody.Due to the difference of the granularity of material own, humidity, composition content and grain shape, also there is different requirements to screening plant; In order to prevent the blocking of rotary screen screen drum, improve screening efficiency, scientific worker have studied anti-blocking drum sieve.
At present, existing anti-blocking drum sieve, it is the screen drum arranged outside comb shape clearing apparatus at rotary screen, as shown in Figure 1, comb shape clearing apparatus is arranged with in parallel in the both sides of screen drum and screen drum central shaft, this comb shape clearing apparatus is made up of comb clamping plate and the comb be arranged on comb clamping plate, and comb clamping plate rotate around the turning cylinder with main axis parallel; When comb shape clearing apparatus rotates, its comb just in time cleans screen drum surface, thus cleans screen drum.But this comb shape clearing apparatus is in actual production runs, and the comb shape steel wire of composition comb is often intertwined with the foreign material in material screening, thus loses the effect of cleaning screen drum; Meanwhile, when the comb shape clearing apparatus be wound around after foreign material operates, the existence of foreign material very easily causes the damage of comb shape clearing apparatus, even damages screen drum, impact screening operation.
Summary of the invention
The present invention proposes a kind of anti-blocking drum sieve, and the comb shape clearing apparatus solving anti-blocking drum sieve in prior art cleans weak effect and flimsy problem.
Technical scheme of the present invention is achieved in that the cylindrical shape screen drum comprising and rotate and arrange, and is provided with the main shaft with its centerline axis parallel, described main shaft and described screen drum synchronous axial system in described screen drum; Also be provided with the optical axis that many connect described main shaft and described screen drum in described screen drum, described optical axis be all arranged with the beater that can be free to slide.
The present invention by arranging beater on the optical axis of screen drum inside, and beater is free to slide along optical axis along with the rotation of screen drum, thus constantly knocks and rapping main shaft and screen drum, clears up the sticky material got lodged on screen drum.This anti-blocking drum sieve structure is simple, connection and reasonable arrangement, and be convenient to install, production run is stablized.
As the preferred embodiment of one, the central axes of described main shaft and described screen drum.Beater knocks and rapping along the center of screen drum screen drum, produces resonant interaction to screen drum, thus makes sticky stifled material on screen drum reach desirable cleaning effect.
As the preferred embodiment of one, the junction of described optical axis and described screen drum is provided with rapping seat, and the junction of described optical axis and described main shaft is provided with buffing pad.By the setting of rapping seat and buffing pad, when making beater slide into screen drum position, directly beat rapping seat, thus resonant interaction is produced to screen drum, reach the effect of rapping cleaning; Meanwhile, the existence of rapping seat can slow down the impact of beater to screen drum, available protecting screen drum.Equally, beat buffing pad when beater falls to main spindle's instead of directly beat main shaft, beater effectively can be avoided like this to the excess impact of main shaft, available protecting is carried out to main shaft.
As the preferred embodiment of one, be provided with bracing ring outside described screen drum, described optical axis one end is fixedly connected with described bracing ring through described screen drum, and the described optical axis other end and described collar bush connect in succession.By bracing ring, screen drum is fixed on one end of optical axis, and adopts screw thread to be connected with nut, make the fixing solid, easy for installation of screen drum, be convenient to dismounting; The optical axis other end is connected with main shaft by axle sleeve, and optical axis is rotated centered by main shaft, and drives screen drum to carry out rotation screening.
As the preferred embodiment of one, described bracing ring is several, and described bracing ring is axially evenly arranged along described screen drum, and be connected with three described optical axises in each bracing ring, three described optical axises are uniformly distributed in the circumference of described screen drum.The blockage-clearing device of multiple bracing ring composition is axially evenly arranged along screen drum, thus strengthens its rapping cleaning effect; Be evenly distributed on it in each bracing ring and circumferentially have three optical axises, by three beaters on three optical axises, rhythmically beat main shaft and screen drum, wherein, knock main shaft three times, knock screen drum three times, thus the sticky material got lodged on screen drum of cleaning.
As the preferred embodiment of one, described screen drum is integrated setting, and described screen drum is provided with axial sieve aperture.Arranging of axial sieve aperture can effectively avoid the material of Large stone to leak in shell in the process rotating screening, effectively improves the qualification rate of screening product; Screen drum adopts manganese steel plate to make, and manganese steel plate processes axial sieve aperture through numerical control cutting machine, and is rolled by veneer reeling machine and form; The screen drum of this design is easy to make, simply; Meanwhile, the screen drum be wholely set, its inner surface and outer surface are all smooth, clear, and particularly the coefficient of friction of screen drum inner surface is little, not easy to hangly on screen drum stay material, and make sieve aperture permeability good, screening efficiency is high.
As the preferred embodiment of one, described main shaft one end is connected with motor, is also provided with reductor between described motor and described main shaft.Motor via reducer drives rotating shaft to rotate, and the rotary speed of motor reduces by reductor, and the rotation of drive shaft rotation and screen cloth, be conducive to controlling screening process.
As the preferred embodiment of one, described anti-blocking drum sieve also comprises shell, described screen drum rotates and is arranged in described shell, described shell left below is obliquely installed, described shell right side is connected with feed pipe, described shell left side is connected with drainage conduit, and described outer casing bottom is provided with discharge nozzle.Material to be sieved is by the feed tube of shell right-hand member, and after rotating screening, qualified material is discharged by the discharge nozzle of outer casing bottom, and the material of Large stone is discharged by the drainage conduit of shell left end.
Operation principle: driven by motor main axis, main shaft drives screen drum to rotate by optical axis; Along with the rotation of screen drum, beater does the movement of falling object from top to bottom along optical axis under gravity; Screen drum often rotates a circle, and three beaters on three optical axises that each bracing ring connects rhythmically can beat six times, wherein, knock main shaft three times, knock screen drum three times; Along with the rapping effect of beater, resonance is produced to screen drum, thus the sticky material got lodged on screen drum of cleaning.
Beneficial effect of the present invention: the present invention arrange in screen drum inside beater to screen drum have joint gather ground rapping, complete the cleaning works to screen drum; This beater is set on the optical axis of connection main shaft and screen drum, and beater can be free to slide along optical axis; Along with the rotation of screen drum, beater is returned to slide along optical axis and is constantly beaten main shaft and screen drum, produces resonant interaction, thus clear up the sticky material got lodged on screen drum screen drum.This anti-blocking drum sieve structure is simple, connection and reasonable arrangement, is convenient to install, good blocking cleaning effect, there will not be the phenomenon that blockage-clearing device and foreign material are intertwined, also can not cause the damage of blockage-clearing device, screen drum and shell, eliminate the time of labor cleaning's screen drum, avoid the unnecessary person and the generation of mechanical wounding, reduce labour intensity, material moisture content being greater than to 15% also can sieve, and shortens screening time, enhances productivity, production run is stablized, and can use without the need to repair and maintenance throughout the year.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the part planar structural representation of anti-blocking drum sieve in prior art;
Fig. 2 is the cross-sectional structure schematic diagram of screen drum in one embodiment of the invention;
Fig. 3 is the main TV structure schematic diagram of this embodiment;
In figure: 11-comb clamping plate; 12-comb; 13-turning cylinder; 14-first main shaft; 15-first screen drum; 2-optical axis; 22-buffing pad; 23-nut; 24-bracing ring; 25-beater; 26-rapping seat; 3-screen drum; 4-shell; 5-second main shaft; 6-drainage conduit; 7-discharge nozzle; 8-feed pipe.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figures 2 and 3, the present invention includes the cylindrical shape screen drum 3 rotating and arrange, be provided with in described screen drum 3 and the main shaft of its centerline axis parallel i.e. the second main shaft 5, described second main shaft 5 and described screen drum 3 synchronous axial system; Also be provided with many in described screen drum 3 and connect described second main shaft 5 and the optical axis 2 of described screen drum 3, described optical axis 2 is all arranged with the beater 25 that can be free to slide.
As shown in Figure 2, the central axes of described second main shaft 5 and described screen drum 3, described optical axis 2 is provided with rapping seat 26 with the junction of described screen drum 3, and the junction of described optical axis 2 and described second main shaft 5 is provided with buffing pad 22; Time beater 25 is free to slide along optical axis 2, directly beat rapping seat 26 and buffing pad 22, available protecting screen drum 3 and the second main shaft 5 while screen drum 3 is cleaned.Be provided with bracing ring 24 outside described screen drum 3, described optical axis 2 one end is fixedly connected with described bracing ring 24 through described screen drum 3, and described optical axis 2 other end is connected with described second main shaft 5 by axle sleeve; One end of optical axis 2 is provided with screw thread, and the end of thread of optical axis 2 is fixedly connected with nut 23 with bracing ring 24 through screen drum 3.
As shown in Figure 3, described bracing ring 24 is several, and described bracing ring 24 is axially evenly arranged along described screen drum 3, and in the present embodiment, bracing ring 24 is 2; Be connected with three described optical axises, 2, three described optical axises 2 in each bracing ring 24 to be uniformly distributed in the circumference of described screen drum 3; Described screen drum 3 is integrated setting, and described screen drum 3 is provided with axial sieve aperture; In the present embodiment, screen drum 3 is that manganese steel plate processes axial sieve aperture through numerical control cutting machine, and adopts veneer reeling machine to roll to form.Described second main shaft 5 one end is connected with motor, is also provided with reductor between described motor and described second main shaft 5.Described anti-blocking drum sieve also comprises shell 4, described screen drum 3 rotates and is arranged in described shell 4, described shell 4 left below is obliquely installed, described shell 4 right side is connected with feed pipe 8, described shell 4 left side is connected with drainage conduit 6, be provided with discharge nozzle 7 bottom described shell 4, described feed pipe 8 can also be connected with automatic feeder; Thus realize continuous feed and sieve operation continuously.
Operation principle: driven by motor second main shaft 5 rotates, the second main shaft 5 drives screen drum 3 to rotate by optical axis 2; Along with the rotation of screen drum 3, beater 25 does the movement of falling object from top to bottom along optical axis 2 under gravity; Screen drum 3 often rotates a circle, and three beaters 25 on three optical axises 2 that each bracing ring 24 connects rhythmically can beat six times, wherein, knock the second main shaft 5 three times, knock screen drum 3 three times; Along with the rapping effect of beater 25, resonance is produced to screen drum 3, thus the sticky material got lodged on screen drum 3 of cleaning.
As shown in Figure 1, existing anti-blocking drum sieve is provided with comb shape clearing apparatus in the both sides of the first screen drum 15 horizontal position, this comb shape clearing apparatus is made up of comb clamping plate 11 and the comb 12 be arranged on comb clamping plate 11, these comb clamping plate 11 moving axis 13 that rotates rotates, first screen drum 15 rotates around the first main shaft 14, thus comb 12 is cleaned the first screen drum 15 outer surface; This comb shape clearing apparatus cleaning weak effect, be wound around foreign material, fragile, and beneficial effect of the present invention is: the present invention arranges beater 25 pairs of screen drums 3 and carries out rapping in screen drum 3 inside, complete the cleaning works to screen drum 3; This beater 25 is set on the optical axis 2 of connection second main shaft 5 and screen drum 3, and beater 25 can be free to slide along optical axis 2; Along with the rotation of screen drum 3, beater 25 is returned to slide along optical axis 2 and is constantly beaten main shaft 25 and screen drum 3, produces resonant interaction, thus clear up the sticky material got lodged on screen drum 3 screen drum 3.This anti-blocking drum sieve structure is simple, connection and reasonable arrangement, be convenient to install, good blocking cleaning effect, there will not be the phenomenon that blockage-clearing device and foreign material are intertwined, also the damage of blockage-clearing device, screen drum 3 and shell 4 can not be caused, eliminate the time of labor cleaning's screen drum 3, avoid the unnecessary person and the generation of mechanical wounding, reduce labour intensity, material moisture content being greater than to 15% also can sieve, and shortens screening time, enhances productivity, production run is stablized, and can use without the need to repair and maintenance throughout the year.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. an anti-blocking drum sieve, comprises the cylindrical shape screen drum rotating and arrange, is provided with the main shaft with its centerline axis parallel, described main shaft and described screen drum synchronous axial system in described screen drum; It is characterized in that: be also provided with the optical axis that many connect described main shaft and described screen drum in described screen drum, described optical axis be all arranged with the beater that can be free to slide.
2. anti-blocking drum sieve according to claim 1, is characterized in that: the central axes of described main shaft and described screen drum.
3. anti-blocking drum sieve according to claim 2, is characterized in that: the junction of described optical axis and described screen drum is provided with rapping seat, and the junction of described optical axis and described main shaft is provided with buffing pad.
4. anti-blocking drum sieve according to claim 3, is characterized in that: be provided with bracing ring outside described screen drum, and described optical axis one end is fixedly connected with described bracing ring through described screen drum, and the described optical axis other end and described collar bush connect in succession.
5. anti-blocking drum sieve according to claim 4, it is characterized in that: described bracing ring is several, described bracing ring is axially evenly arranged along described screen drum, and be connected with three described optical axises in each bracing ring, three described optical axises are uniformly distributed in the circumference of described screen drum.
6. the anti-blocking drum sieve according to claim 1-5 any one, is characterized in that: described screen drum is integrated setting, and described screen drum is provided with axial sieve aperture.
7. anti-blocking drum sieve according to claim 6, is characterized in that: described main shaft one end is connected with motor, is also provided with reductor between described motor and described main shaft.
8. anti-blocking drum sieve according to claim 1, it is characterized in that: described anti-blocking drum sieve also comprises shell, described screen drum rotates and is arranged in described shell, described shell left below is obliquely installed, described shell right side is connected with feed pipe, described shell left side is connected with drainage conduit, and described outer casing bottom is provided with discharge nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310616609.7A CN104668178B (en) | 2013-11-27 | 2013-11-27 | A kind of anti-blocking drum sieve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310616609.7A CN104668178B (en) | 2013-11-27 | 2013-11-27 | A kind of anti-blocking drum sieve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104668178A true CN104668178A (en) | 2015-06-03 |
| CN104668178B CN104668178B (en) | 2017-08-01 |
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ID=53304063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310616609.7A Expired - Fee Related CN104668178B (en) | 2013-11-27 | 2013-11-27 | A kind of anti-blocking drum sieve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104668178B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106140607A (en) * | 2016-07-20 | 2016-11-23 | 马先芝 | A kind of measurable formula paper grade (stock) rotary screen |
| CN112958427A (en) * | 2021-02-02 | 2021-06-15 | 北新集团建材股份有限公司 | Preparation of plaster of paris powder is with interior formula cylinder sieving mechanism that patts |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3841482A (en) * | 1972-11-06 | 1974-10-15 | Sweco Inc | Self-cleaning screen assembly |
| CN201634595U (en) * | 2010-01-13 | 2010-11-17 | 南京云泰化工总厂 | Rotary cooling screener |
| CN202356307U (en) * | 2011-12-04 | 2012-08-01 | 河南威猛振动设备股份有限公司 | Knocking and vibrating arc-shaped sieve |
| CN203196886U (en) * | 2013-04-14 | 2013-09-18 | 辽宁津大肥业有限公司 | Screen cleaning device for cooling kiln |
| CN203209299U (en) * | 2013-05-09 | 2013-09-25 | 南阳市天缘机械装备有限公司 | Drum-type corn screening device |
-
2013
- 2013-11-27 CN CN201310616609.7A patent/CN104668178B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3841482A (en) * | 1972-11-06 | 1974-10-15 | Sweco Inc | Self-cleaning screen assembly |
| CN201634595U (en) * | 2010-01-13 | 2010-11-17 | 南京云泰化工总厂 | Rotary cooling screener |
| CN202356307U (en) * | 2011-12-04 | 2012-08-01 | 河南威猛振动设备股份有限公司 | Knocking and vibrating arc-shaped sieve |
| CN203196886U (en) * | 2013-04-14 | 2013-09-18 | 辽宁津大肥业有限公司 | Screen cleaning device for cooling kiln |
| CN203209299U (en) * | 2013-05-09 | 2013-09-25 | 南阳市天缘机械装备有限公司 | Drum-type corn screening device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106140607A (en) * | 2016-07-20 | 2016-11-23 | 马先芝 | A kind of measurable formula paper grade (stock) rotary screen |
| CN112958427A (en) * | 2021-02-02 | 2021-06-15 | 北新集团建材股份有限公司 | Preparation of plaster of paris powder is with interior formula cylinder sieving mechanism that patts |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104668178B (en) | 2017-08-01 |
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