CN102873021B - Roller-type rotary spiral vibrating sieving machine - Google Patents
Roller-type rotary spiral vibrating sieving machine Download PDFInfo
- Publication number
- CN102873021B CN102873021B CN201210182690.8A CN201210182690A CN102873021B CN 102873021 B CN102873021 B CN 102873021B CN 201210182690 A CN201210182690 A CN 201210182690A CN 102873021 B CN102873021 B CN 102873021B
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- screen
- rotary
- shakes
- screen cloth
- support beam
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- 238000007873 sieving Methods 0.000 title abstract description 6
- 239000006096 absorbing agent Substances 0.000 claims abstract description 27
- 230000035939 shock Effects 0.000 claims abstract description 27
- 239000004744 fabric Substances 0.000 claims description 72
- 238000003466 welding Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract 2
- 238000012216 screening Methods 0.000 description 31
- 239000000463 material Substances 0.000 description 29
- 230000000694 effects Effects 0.000 description 11
- 239000000843 powder Substances 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004566 building material Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000035611 feeding Effects 0.000 description 1
- 230000001404 mediated effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Combined Means For Separation Of Solids (AREA)
Abstract
The invention relates to a roller-type rotary spiral vibrating sieving machine. A rotating shaft land is connected with a roller screen rotating vibration collection shaft pipe by a first rubber shock absorber; an eccentric vibration collection shaft is arranged inside the roller screen rotating vibration collection shaft pipe; both side of the eccentric vibration collection shaft are connected with an eccentric vibration collection shaft bearing seat; the eccentric vibration collection shaft bearing seat is connected with the roller screen rotating vibration collection shaft pipe; a spiral blade is arranged outside the roller screen rotating vibration collection shaft pipe; a screen transverse supporting beam connected with a screen is fixedly arranged outside the spiral blade; the eccentric vibration collection shaft is connected with a universal joint transmission shaft; the universal joint transmission shaft is connected with a vibration collection shaft motor fixedly arranged on a roller screen hollow shaft seat bracket beam; a hollow shaft seat is arranged on the roller screen hollow shaft seat bracket beam; the hollow shaft seat is connected with a hollow shaft land; and the hollow shaft land is connected with the roller screen rotating vibration collection shaft pipe by a second rubber shock absorber. According to the invention, the roller-type rotary spiral vibrating sieving machine has large sieving capacity; and in the sieving process, the screen does not need to be usually cleaned.
Description
Technical field
The present invention relates to a kind of screening machine, be specifically related to a kind of drum-type screening machine, particularly a kind of drum-type rotating screw vibrating screen classifier.
Background technology
Screening machine is the relative motion that utilizes bulk granular material and compass screen surface, makes part particle see through sieve aperture, the materials such as sand, gravel, rubble is divided into the vibration screening machinery equipment of different stage by granular size.The particle rank of screening depends on compass screen surface, and compass screen surface divides three kinds of comb grid, plate sieve and mesh screens.Comb grid are applicable to sieve large granular materials, and comb grid gap is 1.1 to 1.2 times of screenings particle diameter, generally should not be less than 50 millimeters.Plate sieve is formed by steel plate punching, rounded, the square or rectangle in hole, and aperture is generally 10 to 80 millimeters, and service life is longer, is difficult for stopping up, and is applicable to sieve medium grain.Mesh screen is weaved into or is welded into by steel wire, and hole is square, rectangle or strip, and conventional aperture is generally 6 to 85 millimeters, and strip sieve aperture is suitable for sieving moist material, and the advantage of mesh screen is that effective area is larger.
Vibrating screen classifier is the visual plant of solid material classification, is widely used in the industries such as mine, building materials, coal separation, the energy, chemical industry.Form is divided into two kinds of a formula and hangings substantially.Generally general with seat formula, vibration source adopts eccentric block or eccentric shaft, and two kinds of vibration source mixing are used also comparatively general.Operation principle: vibrating screen classifier is the exciting force that utilizes eccentric block or eccentric shaft to produce, make sieve nest do periodically double vibrations along exciting force direction, material circumference on compass screen surface is beated, by different sieve apertures regular the stock grading of different size to desired compass screen surface, after collecting, be transported to appointed area, to reach classification or de-mediated object.Can adjust amplitude by the weight of adjusting eccentric block.
The agent structure of spiral rotary drum type screening machine is sifting barrel, and it is made up of several round shape screen clothes, and entirety becomes heeling condition with ground level, and outside sealed cage seals, to prevent contaminated environment.By speed change deceleration system, sifting barrel is rotated under certain rotating speed, material is separated by sifting barrel from top to bottom, and fines is discharged from sifting barrel front end bottom, and coarse fodder is discharged from sifting barrel lower end afterbody.Cylinder roto-siofter extension set can be provided with comb type sieve cleaning mechanism, can be by the relative motion of comb type sieve cleaning mechanism and sifting barrel in screening process, reach the effect to the uninterrupted cleaning of sieve nest, make sifting barrel in the whole course of work, remain clean, not sticky, not stifled, do not affect screening effect.
In prior art there is following defect in the screening machine of material handling: material is in the process of screening or vibration, and screening energy is little, and the energy of consumption is larger, has caused the waste of resource and the energy; Traditional sifted easily sticks more fine crushing material on the net, if cleaning not in time can cause screen cloth to stop up, has a strong impact on the effect of screening; Traditional screening machine can not meet material and vibrates simultaneously and stir, and flat vibrating screen can only vibrate material, can turning over materials, and drum screen material can only stir, and does not vibrate; Traditional screening machine is difficult for screening for small grain size and moisture fine powder, or easily sticks screen cloth, and screening amount is less.
Therefore, provide a kind of structure letter simple, easy to operate, energy utilization rate is high, and screening effect is obvious, and screening amount is large, is not stained with glutinous screen cloth, and the uniform drum-type rotating screw of material screening vibrating screen classifier, has wide market prospects.
Summary of the invention
For the deficiencies in the prior art, the invention provides that a kind of structure letter is simple, easy to operate, energy utilization rate is high, screening effect is obvious, screening amount greatly, is not stained with glutinous screen cloth, the uniform drum-type rotating screw of material screening vibrating screen classifier.
Technical scheme of the present invention is such realization: drum-type rotating screw vibrating screen classifier, comprise charging aperture, the outlet of rotary screen oversize, the rotation of the rotary screen with the rotary screen runing rest reductor that rotary screen electric rotating machine is connected with rotary screen electric rotating machine, the rotating shaft terminal pad being connected with rotary screen rotation reductor, described rotating shaft terminal pad is connected by the first rubber shock absorber and the rotary screen rotary collecting central siphon that shakes, in the rotary screen rotary collecting central siphon inside that shakes, the eccentric collection axle that shakes is installed, the eccentric axle both sides that shake that collect are connected with the eccentric bearing housing that shakes that collects, eccentric collection bearing housing and the rotary screen rotary collecting central siphon that shakes that shakes is connected, the rotary screen rotary collecting central siphon outer setting of shaking has helical blade, helical blade outside is installed with the screen cloth horizontal support beam being connected with screen cloth, the eccentric axle that shakes that collects is connected with Cardan shaft, Cardan shaft be fixedly mounted on collection on the rotary screen hollow shaft seat support beam spindle motor that shakes and be connected, on rotary screen hollow shaft seat support beam, be provided with hollow axle bed, hollow axle bed is connected with hollow shaft terminal pad, hollow shaft terminal pad is connected by the second rubber shock absorber and the rotary screen rotary collecting central siphon that shakes.
Described screen cloth horizontal support beam is at least two, screen cloth horizontal support beam is arranged on the outward flange of helical blade by the mode of welding, on screen cloth horizontal support beam, be provided with screen cloth brace summer hook, screen cloth brace summer hook is connected with spring, and spring is connected with the screen cloth hook being arranged on screen cloth.
The first described rubber shock absorber adopts rubber blanket to make, and the first rubber shock absorber is at least two, and is evenly distributed on the circumferencial direction of rotating shaft terminal pad.
The second described rubber shock absorber adopts rubber blanket to make, and the second rubber shock absorber is at least two, and is evenly distributed on the circumferencial direction of hollow shaft terminal pad.
On described helical blade, be provided with helical blade brace summer, helical blade brace summer is arranged on the helical blade that rotary screen rotary collecting shakes between central siphon and screen cloth horizontal support beam.
The described bias collection bearing housing that shakes is connected by connecting plate and the rotary screen rotary collecting central siphon that shakes.
Described Cardan shaft by universal joint be fixedly mounted on collection on the rotary screen hollow shaft seat support beam spindle motor that shakes and be connected.
The length of described helical blade brace summer and screen cloth horizontal support beam equal in length.
The present invention has following good effect: first, structure letter of the present invention is simple, easy to operate, rotating shaft terminal pad is connected by the first rubber shock absorber and the rotary screen rotary collecting central siphon that shakes, in the rotary screen rotary collecting central siphon inside that shakes, the eccentric collection axle that shakes is installed, the eccentric axle both sides that shake that collect are connected with the eccentric bearing housing that shakes that collects, eccentric collection bearing housing and the rotary screen rotary collecting central siphon that shakes that shakes is connected, the rotary screen rotary collecting central siphon outer setting of shaking has helical blade, helical blade outside is installed with the screen cloth horizontal support beam being connected with screen cloth, the eccentric axle that shakes that collects is connected with Cardan shaft, Cardan shaft be fixedly mounted on collection on the rotary screen hollow shaft seat support beam spindle motor that shakes and be connected, on rotary screen hollow shaft seat support beam, be provided with hollow axle bed, hollow axle bed is connected with hollow shaft terminal pad, hollow shaft terminal pad is connected by the second rubber shock absorber and the rotary screen rotary collecting central siphon that shakes, helical blade advances material, the eccentric collection axle that shakes produces the power of shaking and makes shake central siphon and screen cloth of rotary screen rotary collecting produce vibration, material shakes and produces and vibrate and stir between central siphon and screen cloth at rotary screen rotary collecting, shake central siphon and screen cloth of rotary screen rotary collecting all produces vibration, superfine powder is sifted out under effect of vibration, and collect for subsequent use by screenings collecting bin, remaining bulky grain is finally discharged through the outlet of rotary screen oversize, energy utilization rate is high, screening effect is obvious, screening amount is large, be not stained with glutinous screen cloth, material screening is even, operating efficiency is high, secondly, screen cloth horizontal support beam is at least two, screen cloth horizontal support beam is arranged on the outward flange of helical blade by the mode of welding, on screen cloth horizontal support beam, be provided with screen cloth brace summer hook, screen cloth brace summer hook is connected with spring, spring is connected with the screen cloth hook being arranged on screen cloth, shake central siphon and vibrative while of screen cloth at rotary screen rotary collecting, not only ensure being fastenedly connected of screen cloth and screen cloth horizontal support beam, and along with vibration frequency, under the effect of spring, between screen cloth and screen cloth horizontal support beam, form pulling force, make screen cloth be connected more firm with screen cloth horizontal support beam, can trawlnet, again, the first described rubber shock absorber adopts rubber blanket to make, the first rubber shock absorber is at least two, and be evenly distributed on the circumferencial direction of rotating shaft terminal pad, the second rubber shock absorber adopts rubber blanket to make, the second rubber shock absorber is at least two, and be evenly distributed on the circumferencial direction of hollow shaft terminal pad, multiple rubber shock absorbers are set, ensure that the rotary screen rotary collecting of the present invention central siphon that shakes can not drive the spindle motor vibrations of shaking of rotary screen electric rotating machine and collection in whens vibrations, more stable while making the operation of whole mechanism.
The present invention sieves energy and is greater than common oblique-roller rotary screen and dull and stereotyped roller vibrating screen several times, and the viscosity powder material that water content is higher is not stained with screen cloth, when screening, need not often clean screen cloth; Solved flat vibrating screen can only vibrate material can turning over materials, drum screen material can only stir a non-vibrating difficult problem, making small grain size contain water viscosity fine powder can sieve out smoothly.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the syndeton schematic diagram of screen cloth horizontal support beam of the present invention and screen cloth.
Detailed description of the invention
As Fig. 1, shown in 2, drum-type rotating screw vibrating screen classifier, comprise charging aperture 19, rotary screen oversize outlet 20, rotary screen electric rotating machine 1, the rotation of the rotary screen with rotary screen runing rest 3 reductor 2 being connected with rotary screen electric rotating machine 1, the rotating shaft terminal pad 6 being connected with rotary screen rotation reductor 2, described rotating shaft terminal pad 6 is connected by the first rubber shock absorber 7 and the rotary screen rotary collecting central siphon 8 that shakes, in rotary screen rotary collecting central siphon 8 inside that shake, the eccentric collection axle 11 that shakes is installed, eccentric axle 11 both sides that shake that collect are connected with the eccentric bearing housing 12 that shakes that collects, eccentric collection bearing housing 12 and the rotary screen rotary collecting central siphon 8 that shakes that shakes is connected, rotary screen rotary collecting central siphon 8 outer setting of shaking have helical blade 9, helical blade 9 outsides are installed with the screen cloth horizontal support beam 17 being connected with screen cloth 21, the eccentric axle 11 that shakes that collects is connected with Cardan shaft 16, Cardan shaft 16 be fixedly mounted on collection on rotary screen hollow shaft seat support beam 5 spindle motor 15 that shakes and be connected, on rotary screen hollow shaft seat support beam 5, be provided with hollow axle bed 4, hollow axle bed 4 is connected with hollow shaft terminal pad 18, hollow shaft terminal pad 18 is connected by the second rubber shock absorber 25 and the rotary screen rotary collecting central siphon 8 that shakes.
Described screen cloth horizontal support beam 17 is at least two, screen cloth horizontal support beam 17 is arranged on the outward flange of helical blade 9 by the mode of welding, on screen cloth horizontal support beam 17, be provided with screen cloth brace summer hook 23, screen cloth brace summer hook 23 is connected with spring 24, and spring 24 is connected with the screen cloth hook 22 being arranged on screen cloth 21.
The first described rubber shock absorber 7 adopts rubber blanket to make, and the first rubber shock absorber 7 is at least two, and is evenly distributed on the circumferencial direction of rotating shaft terminal pad 6.The second described rubber shock absorber 25 adopts rubber blanket to make, and the second rubber shock absorber 25 is at least two, and is evenly distributed on the circumferencial direction of hollow shaft terminal pad 18.On described helical blade 9, be provided with helical blade brace summer 10, helical blade brace summer 10 is arranged on the helical blade 9 that rotary screen rotary collecting shakes between central siphon 8 and screen cloth horizontal support beam 17.The described bias collection bearing housing 12 that shakes is connected by connecting plate 13 and the rotary screen rotary collecting central siphon 8 that shakes.Described Cardan shaft 16 by universal joint 14 be fixedly mounted on collection on rotary screen hollow shaft seat support beam 5 spindle motor 15 that shakes and be connected.The length of described helical blade brace summer 10 and screen cloth horizontal support beam 17 equal in length.
The present invention has adopted outer drum-type screen cloth, drum-type screen cloth inside is provided with the rotary screen rotary collecting central siphon 8 that shakes outside, shake 8 li of central siphons of rotary screen rotary collecting are provided with the eccentric collection axle 11 that shakes, the eccentric axle 11 that shakes that collects is connected with Cardan shaft 16, Cardan shaft 16 be fixedly mounted on collection on rotary screen hollow shaft seat support beam 5 spindle motor 15 that shakes and be connected, drive shake axle 11 realize the shake vibrations of axle 11 of eccentric collection of eccentric collection by shake spindle motor 15 of collection, axle 11 outer cover of shaking eccentric collection are equipped with the rotary screen rotary collecting central siphon 8 that shakes, rotary screen rotary collecting shakes and is provided with helical blade 9 between central siphon 8 and screen cloth 21, drive the rotary screen rotary collecting central siphon 8 that shakes to rotate by rotary screen electric rotating machine 1, and drive the rotary screen rotary collecting central siphon 8 that shakes to shake by the collection spindle motor 15 that shakes, make the rotary screen rotary collecting central siphon 8 that shakes rotate simultaneously and shake, material is under the acting in conjunction that helical blade 9 advances and screen cloth 21 filters, be accompanied by shake rotation and the vibrations of central siphon 8 of rotary screen rotary collecting and finally realize the screening of material.
The stability of whole system during for guarantee vibration, on helical blade 9, be provided with helical blade brace summer, outer setting has screen cloth horizontal support beam 17, on screen cloth horizontal support beam 17, be provided with screen cloth brace summer hook 23, screen cloth brace summer hook 23 is connected with spring 24, and spring 24 is connected with the screen cloth hook 22 being arranged on screen cloth 21.Material is sent into through charging aperture 19, under the effect of helical blade 9, export 20 direction feedings to rotary screen oversize, simultaneously, material is under rotary screen rotary collecting shakes the rotation and effect of vibration of central siphon 8, require the material of granularity to sift out through screen cloth 21, and being collected for subsequent usely, the material that is greater than requirement granularity is discharged through rotary screen oversize outlet 20.
The present invention is rational in infrastructure, easy to operate, greatly improve operating efficiency, and save the energy, be mainly used in brickmaking equigranular and require to be less than or equal to the screening of moisture higher viscosity fine powder material of 2 millimeters, the screening of the each granularity materials of every profession and trade such as coal, chemical industry, mine, granularity requirements is less than or equal to the dewatering operation of the not viscosity fine powder material of 0.3 millimeter etc.
Claims (8)
1. a drum-type rotating screw vibrating screen classifier, comprise charging aperture (19), rotary screen oversize outlet (20), rotary screen electric rotating machine (1), the rotation reductor of the rotary screen with rotary screen runing rest (3) (2) being connected with rotary screen electric rotating machine (1), the rotating shaft terminal pad (6) being connected with rotary screen rotation reductor (2), it is characterized in that: described rotating shaft terminal pad (6) is connected by the first rubber shock absorber (7) and the rotary screen rotary collecting central siphon (8) that shakes, in rotary screen rotary collecting central siphon (8) inside that shakes, the eccentric collection axle (11) that shakes is installed, eccentric axle (11) both sides that shake that collect are connected with the eccentric bearing housing (12) that shakes that collects, eccentric collection bearing housing (12) and the rotary screen rotary collecting central siphon (8) that shakes that shakes is connected, rotary screen rotary collecting central siphon (8) outer setting of shaking has helical blade (9), helical blade (9) outside is installed with the screen cloth horizontal support beam (17) being connected with screen cloth (21), the eccentric axle (11) that shakes that collects is connected with Cardan shaft (16), Cardan shaft (16) be fixedly mounted on collection on rotary screen hollow shaft seat support beam (5) spindle motor (15) that shakes and be connected, on rotary screen hollow shaft seat support beam (5), be provided with hollow axle bed (4), hollow axle bed (4) is connected with hollow shaft terminal pad (18), hollow shaft terminal pad (18) is connected by the second rubber shock absorber (25) and the rotary screen rotary collecting central siphon (8) that shakes.
2. drum-type rotating screw vibrating screen classifier according to claim 1, it is characterized in that: described screen cloth horizontal support beam (17) is at least two, screen cloth horizontal support beam (17) is arranged on the outward flange of helical blade (9) by the mode of welding, on screen cloth horizontal support beam (17), be provided with screen cloth brace summer hook (23), screen cloth brace summer hook (23) is connected with spring (24), and spring (24) is connected with the screen cloth hook (22) being arranged on screen cloth (21).
3. drum-type rotating screw vibrating screen classifier according to claim 1, it is characterized in that: described the first rubber shock absorber (7) adopts rubber blanket to make, the first rubber shock absorber (7) is at least two, and is evenly distributed on the circumferencial direction of rotating shaft terminal pad (6).
4. drum-type rotating screw vibrating screen classifier according to claim 1, it is characterized in that: described the second rubber shock absorber (25) adopts rubber blanket to make, the second rubber shock absorber (25) is at least two, and is evenly distributed on the circumferencial direction of hollow shaft terminal pad (18).
5. drum-type rotating screw vibrating screen classifier according to claim 1, it is characterized in that: on described helical blade (9), be provided with helical blade brace summer (10), helical blade brace summer (10) is arranged on the helical blade (9) that rotary screen rotary collecting shakes between central siphon (8) and screen cloth horizontal support beam (17).
6. drum-type rotating screw vibrating screen classifier according to claim 1, is characterized in that: the described bias collection bearing housing (12) that shakes is connected by connecting plate (13) and the rotary screen rotary collecting central siphon (8) that shakes.
7. drum-type rotating screw vibrating screen classifier according to claim 1, is characterized in that: described Cardan shaft (16) by universal joint (14) be fixedly mounted on collection on rotary screen hollow shaft seat support beam (5) spindle motor (15) that shakes and be connected.
8. drum-type rotating screw vibrating screen classifier according to claim 5, is characterized in that: the length of described helical blade brace summer (10) and screen cloth horizontal support beam (17) equal in length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210182690.8A CN102873021B (en) | 2012-06-06 | 2012-06-06 | Roller-type rotary spiral vibrating sieving machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210182690.8A CN102873021B (en) | 2012-06-06 | 2012-06-06 | Roller-type rotary spiral vibrating sieving machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102873021A CN102873021A (en) | 2013-01-16 |
| CN102873021B true CN102873021B (en) | 2014-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210182690.8A Expired - Fee Related CN102873021B (en) | 2012-06-06 | 2012-06-06 | Roller-type rotary spiral vibrating sieving machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN102873021B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105830805A (en) * | 2016-05-30 | 2016-08-10 | 江苏沃绿宝有机农业开发有限公司 | Vegetable seedling raising substrate screening machine |
| CN106824747A (en) * | 2017-01-20 | 2017-06-13 | 毛国武 | Multiple rotating cylinders sieve vibrating device |
| CN106975407B (en) * | 2017-05-10 | 2018-06-05 | 山东科技大学 | A kind of oscillatory type multiaxis gyratory shaker |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1523194A1 (en) * | 1987-12-21 | 1989-11-23 | Всесоюзный научно-исследовательский институт прикладной микробиологии | Apparatus for sieving loose materials |
| CN2344098Y (en) * | 1998-12-09 | 1999-10-20 | 西安交通大学 | Mineral screening rotating micro-seismic device |
| CN201235342Y (en) * | 2008-07-10 | 2009-05-13 | 陕西宝深建材机械（集团）有限公司 | Novel roller vibrating screen |
| CN202015684U (en) * | 2011-03-08 | 2011-10-26 | 李耀文 | Drum screen |
| CN202683453U (en) * | 2012-06-06 | 2013-01-23 | 王松正 | Roller-type rotary spiral vibrating screen classifier |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11319715A (en) * | 1998-05-22 | 1999-11-24 | Ishikawajima Harima Heavy Ind Co Ltd | Cylindrical screen rotary sieving machine |
-
2012
- 2012-06-06 CN CN201210182690.8A patent/CN102873021B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1523194A1 (en) * | 1987-12-21 | 1989-11-23 | Всесоюзный научно-исследовательский институт прикладной микробиологии | Apparatus for sieving loose materials |
| CN2344098Y (en) * | 1998-12-09 | 1999-10-20 | 西安交通大学 | Mineral screening rotating micro-seismic device |
| CN201235342Y (en) * | 2008-07-10 | 2009-05-13 | 陕西宝深建材机械（集团）有限公司 | Novel roller vibrating screen |
| CN202015684U (en) * | 2011-03-08 | 2011-10-26 | 李耀文 | Drum screen |
| CN202683453U (en) * | 2012-06-06 | 2013-01-23 | 王松正 | Roller-type rotary spiral vibrating screen classifier |
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| CN102873021A (en) | 2013-01-16 |
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Granted publication date: 20141022 Termination date: 20180606 |