CN102873021A - Roller-type rotary spiral vibrating sieving machine - Google Patents
Roller-type rotary spiral vibrating sieving machine Download PDFInfo
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- CN102873021A CN102873021A CN2012101826908A CN201210182690A CN102873021A CN 102873021 A CN102873021 A CN 102873021A CN 2012101826908 A CN2012101826908 A CN 2012101826908A CN 201210182690 A CN201210182690 A CN 201210182690A CN 102873021 A CN102873021 A CN 102873021A
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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 the 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.The comb grid are applicable to sieve large granular materials, and comb grid slit is 1.1 to 1.2 times of screenings particle diameter, generally should not be less than 50 millimeters.Plate sieve is formed by the steel plate punching, rounded, the square or rectangle in hole, and the 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 the hole is square, rectangle or strip, and aperture commonly used is generally 6 to 85 millimeters, and the 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.The most general with the seat formula generally speaking, 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 the exciting force direction, material circumference on compass screen surface is beated, regular to desired compass screen surface the stock grading of different size by different sieve apertures, be transported to the appointed area after compiling, to reach classification or de-mediated purpose.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 comprised of several round shape screen clothes, and integral body becomes heeling condition with ground level, and outside sealed cage seals, to prevent contaminated environment.By the 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 cleaning, do not glue, do not block up, do not affect screening effect.
There is following defective in the screening machine of material handling in the prior art: material is in the process of screening or vibration, and the 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 untimely cleaning can cause screen cloth to stop up, has a strong impact on the effect of screening; Traditional screening machine can not satisfy material and vibrate simultaneously and stir, and flat vibrating screen can only vibrate material, can turning over materials, and the 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 the 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 the 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, the 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 rotary screen rotation reductor with the rotary screen runing rest that the rotary screen electric rotating machine is connected with the rotary screen electric rotating machine, the rotating shaft terminal pad that is 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, the helical blade outside is installed with the horizontal brace summer of the screen cloth that is connected with screen cloth, the eccentric axle that shakes that collects is connected with Cardan shaft, Cardan shaft and collection on the being fixedly mounted on rotary screen hollow shaft seat support beam spindle motor that shakes is connected, be provided with hollow axle bed on the rotary screen hollow shaft seat support beam, hollow axle bed is connected with the hollow shaft terminal pad, and the hollow shaft terminal pad is connected by the second rubber shock absorber and the rotary screen rotary collecting central siphon that shakes.
The horizontal brace summer of described screen cloth is at least two, the horizontal brace summer of screen cloth is installed in the outward flange of helical blade by the mode of welding, be provided with screen cloth brace summer hook at the horizontal brace summer of screen cloth, screen cloth brace summer hook is connected with spring, and spring is linked up with the screen cloth on being arranged on screen cloth and is connected.
Described the first 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.
Described the second 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.
Be provided with the helical blade brace summer on the described helical blade, the helical blade brace summer is arranged on the rotary screen rotary collecting and shakes on the helical blade between central siphon and the horizontal brace summer of screen cloth.
The described eccentric collection bearing housing that shakes is connected by connecting plate and the rotary screen rotary collecting central siphon that shakes.
Described Cardan shaft is connected by universal joint and collection on the being fixedly mounted on rotary screen hollow shaft seat support beam spindle motor that shakes.
The equal in length of the length of described helical blade brace summer and the horizontal brace summer of screen cloth.
The present invention has following good effect: at first, structure letter of the present invention is simple, easy to operate, the 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, the helical blade outside is installed with the horizontal brace summer of the screen cloth that is connected with screen cloth, the eccentric axle that shakes that collects is connected with Cardan shaft, Cardan shaft and collection on the being fixedly mounted on rotary screen hollow shaft seat support beam spindle motor that shakes is connected, be provided with hollow axle bed on the rotary screen hollow shaft seat support beam, hollow axle bed is connected with the hollow shaft terminal pad, the 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 between central siphon and the screen cloth at the rotary screen rotary collecting and produces vibration and stir, 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 the 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, the screening amount is large, be not stained with glutinous screen cloth, material screening is even, high efficiency; Secondly, the horizontal brace summer of screen cloth is at least two, the horizontal brace summer of screen cloth is installed in the outward flange of helical blade by the mode of welding, be provided with screen cloth brace summer hook at the horizontal brace summer of screen cloth, screen cloth brace summer hook is connected with spring, spring is linked up with the screen cloth on being arranged on screen cloth and is connected, shake central siphon and vibrative while of screen cloth at the rotary screen rotary collecting, not only guaranteed being fastenedly connected of screen cloth and the horizontal brace summer of screen cloth, and along with vibration frequency, under the effect of spring, form pulling force between the horizontal brace summer of screen cloth and screen cloth, make screen cloth be connected with screen cloth brace summer connect more firm, can trawlnet; Again, described the first 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, a plurality of rubber shock absorbers are set, guarantee 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 when vibrations, more stable when making the operation of whole mechanism.
The present invention sieves energy 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, need not often clean screen cloth during screening; Solved flat vibrating screen can only vibrate material can turning over materials, the drum screen material can only stir a non-vibrating difficult problem, making small grain size contain the water viscosity fine powder can sieve out smoothly.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the syndeton schematic diagram of the horizontal brace summer of screen cloth of the present invention and screen cloth.
The specific embodiment
Such 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 rotary screen rotation reductor 2 with rotary screen runing rest 3 that is connected with rotary screen electric rotating machine 1, the rotating shaft terminal pad 6 that is 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 horizontal brace summer 17 of the screen cloth that is connected with screen cloth 21, the eccentric axle 11 that shakes that collects is connected with Cardan shaft 16, Cardan shaft 16 and collection on being fixedly mounted on rotary screen hollow shaft seat support beam 5 spindle motor 15 that shakes is connected, be provided with hollow axle bed 4 on the rotary screen hollow shaft seat support beam 5, hollow axle bed 4 is connected with hollow shaft terminal pad 18, and 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.
The horizontal brace summer 17 of described screen cloth is at least two, the horizontal brace summer 17 of screen cloth is installed in the outward flange of helical blade 9 by the mode of welding, be provided with screen cloth brace summer hook 23 at the horizontal brace summer 17 of screen cloth, screen cloth brace summer hook 23 is connected with spring 24, and spring 24 is linked up with 22 with the screen cloth on being arranged on screen cloth 21 and is connected.
Described the first 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.Described the second 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.Be provided with helical blade brace summer 10 on the described helical blade 9, helical blade brace summer 10 is arranged on the rotary screen rotary collecting and shakes on the helical blade 9 between central siphon 8 and the horizontal brace summer 17 of screen cloth.The described eccentric 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 is connected by universal joint 14 and collection on being fixedly mounted on rotary screen hollow shaft seat support beam 5 spindle motor 15 that shakes.The equal in length of the horizontal brace summer 17 of the length of described helical blade brace summer 10 and screen cloth.
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 equipped 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 and collection on being fixedly mounted on rotary screen hollow shaft seat support beam 5 spindle motor 15 that shakes is connected, drive shake axle 11 and 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, the rotary screen rotary collecting shakes and is provided with helical blade 9 between central siphon 8 and the screen cloth 21, drive central siphon 8 rotations of shaking of rotary screen rotary collecting by rotary screen electric rotating machine 1, and drive central siphon 8 vibrations of shaking of rotary screen rotary collectings by shake spindle motor 15 of collection, make the rotary screen rotary collecting central siphon 8 that shakes rotate simultaneously and shake, material is accompanied by rotary screen rotary collecting the shake rotation of central siphon 8 and the screening of the final realization of vibrations material under the acting in conjunction that helical blade 9 advances and screen cloth 21 filters.
The stability of whole system during for the assurance vibration, be provided with the helical blade brace summer at helical blade 9, outer setting has the horizontal brace summer 17 of screen cloth, be provided with screen cloth brace summer hook 23 at the horizontal brace summer 17 of screen cloth, screen cloth brace summer hook 23 is connected with spring 24, and spring 24 is linked up with 22 with the screen cloth on being arranged on screen cloth 21 and is connected.Material is sent into through charging aperture 19, under the effect of helical blade 9, export 20 direction feedings to the rotary screen oversize, simultaneously, material is under the 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 be collected for subsequent usely, discharge through rotary screen oversize outlet 20 greater than the material that requires granularity.
The present invention is rational in infrastructure, easy to operate, greatly improved operating efficiency, and saved the energy, be mainly used in the requirement of brickmaking equigranular less than or equal to the screening of 2 millimeters moisture higher viscosity fine powder material, the screening of each granularity materials of every profession and trade such as coal, chemical industry, mine, granularity requirements is less than or equal to dewatering operation of 0.3 millimeter not viscosity fine powder material etc.
Claims (8)
1. drum-type rotating screw vibrating screen classifier, comprise charging aperture (19), rotary screen oversize outlet (20), rotary screen electric rotating machine (1), the rotary screen rotation reductor (2) with rotary screen runing rest (3) that is connected with rotary screen electric rotating machine (1), the rotating shaft terminal pad (6) that is 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 horizontal brace summer of screen cloth (17) that is connected with screen cloth (21), the eccentric axle (11) that shakes that collects is connected with Cardan shaft (16), Cardan shaft (16) and collection on being fixedly mounted on rotary screen hollow shaft seat support beam (5) spindle motor (15) that shakes is connected, be provided with hollow axle bed (4) on the rotary screen hollow shaft seat support beam (5), hollow axle bed (4) is connected with hollow shaft terminal pad (18), and 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: the horizontal brace summer of described screen cloth (17) is at least two, the horizontal brace summer of screen cloth (17) is installed in the outward flange of helical blade (9) by the mode of welding, be provided with screen cloth brace summer hook (23) at the horizontal brace summer of screen cloth (17), screen cloth brace summer hook (23) is connected with spring (24), and spring (24) is linked up with (22) with the screen cloth on being arranged on screen cloth (21) and is connected.
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: be provided with helical blade brace summer (10) on the described helical blade (9), helical blade brace summer (10) is arranged on the rotary screen rotary collecting and shakes on the helical blade (9) between central siphon (8) and the horizontal brace summer of screen cloth (17).
6. drum-type rotating screw vibrating screen classifier according to claim 1 is characterized in that: the described eccentric 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) is connected by universal joint (14) and collection on being fixedly mounted on rotary screen hollow shaft seat support beam (5) spindle motor (15) that shakes.
8. drum-type rotating screw vibrating screen classifier according to claim 5 is characterized in that: the equal in length of the length of described helical blade brace summer (10) and the horizontal brace summer of screen cloth (17).
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 true CN102873021A (en) | 2013-01-16 |
| CN102873021B CN102873021B (en) | 2014-10-22 |
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Family Applications (1)
| 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) |
Cited By (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 |
| CN106975407A (en) * | 2017-05-10 | 2017-07-25 | 山东科技大学 | A kind of oscillatory type multiaxis gyratory shaker |
Citations (6)
| 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 |
| JPH11319715A (en) * | 1998-05-22 | 1999-11-24 | Ishikawajima Harima Heavy Ind Co Ltd | Cylindrical screen rotation type sieving apparatus |
| 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 |
-
2012
- 2012-06-06 CN CN201210182690.8A patent/CN102873021B/en not_active Expired - Fee Related
Patent Citations (6)
| 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 |
| JPH11319715A (en) * | 1998-05-22 | 1999-11-24 | Ishikawajima Harima Heavy Ind Co Ltd | Cylindrical screen rotation type sieving apparatus |
| 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 |
Cited By (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 |
| CN106975407A (en) * | 2017-05-10 | 2017-07-25 | 山东科技大学 | A kind of oscillatory type multiaxis gyratory shaker |
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| Publication number | Publication date |
|---|---|
| CN102873021B (en) | 2014-10-22 |
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Granted publication date: 20141022 Termination date: 20180606 |