CN102615040A - Spiral rotary screening device - Google Patents
Spiral rotary screening device Download PDFInfo
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- CN102615040A CN102615040A CN2012100785648A CN201210078564A CN102615040A CN 102615040 A CN102615040 A CN 102615040A CN 2012100785648 A CN2012100785648 A CN 2012100785648A CN 201210078564 A CN201210078564 A CN 201210078564A CN 102615040 A CN102615040 A CN 102615040A
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- sieve nest
- sieve
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- spiral
- weight
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Abstract
The invention provides a spiral rotary screening device which is provided with a stand, wherein an elastic body is arranged in the stand; the upper end of the elastic body is positioned at the bottom of a feed opening; a vibration source is arranged at the position on the outer wall of the feed opening, which is close to a screen body; two support riding wheels are respectively and fixedly arranged in two sides at the front end of the stand; a speed reducer is arranged at the rear end of the stand; a pinion is arranged on a main shaft of the speed reducer and is meshed with a gear of a bearing casing; the other end of the screen body is supported by the two support riding wheels; the screen body is formed by winding a strip-shaped steel plate into hollow spiral body type screen pieces; the space between every two screening pieces on the screen body is of a circular cage shape formed by equidistantly and uniformly arraying; and impact blocks are equidistantly arranged on the outer wall at the middle of the screen body. The spiral rotary screening device disclosed by the invention has the advantages of simple structure, high screening efficiency, reduced fault rate of equipment and reduced energy consumption; and the problem that the blocking easily occurs when materials are screened by a screen body can be solved.
Description
Technical field
The present invention relates to the screening plant of coal material-transporting system, be specially a kind of spiral rotation screening plant that is used for the coal screening system.
Background technology
Metallurgy, electricity power enterprise are in the screening plant of coal material-transporting system, and the screening plant of coal has the screening plant of forms such as vibratory sieve, roller picker, and the vibratory sieve floor space is big, and efficient is low, power consumption is high, can not use in big coal storage occasion; And roller picker exist to be prone to by straw rope, dry goods impurity twine, be prone to axis, to stick thing sticking stifled, defectives such as power consumption is big, fault rate height.When particularly the said equipment is to high humidity, impurity is big, viscosity is big material screening, there is the drawback that screening efficiency is low, fault rate is high.
Summary of the invention
The purpose of this invention is to provide a kind of spiral rotation screening plant, because sieve nest is designed to sped structure, and the supporting bracket wheel outer surface is designed to dentalation, when sieve nest turned round on the support support roller, the spiral sieve nest was in vibrational state always; In order further to prevent the big material of viscosity to sieve pore blockade, designed elasticity cleaning mechanism, weight rapping cleaning mechanism, can solve the blockage problem of sticking of sieve nest.The present invention has simple in structure, and screening efficiency is high, has reduced equipment failure rate, cuts down the consumption of energy, susceptible to plugging problem in the time of can solving sieve nest screening material.
The objective of the invention is to realize through following technical scheme: spiral rotation screening plant, its organic frame is equipped with elastomer on the frame; The elastomer upper end is positioned at the charging aperture bottom, near the sieve nest place exciting source is installed at the charging aperture outer wall, and support roller is supported in fixing two of frame front end both sides; Frame rear end is installed reductor; The gears engaged of pinion and bearing shell is installed on the main shaft of reductor, and the sieve nest other end supports support roller by two and supports, and sieve nest turns to hollow conveyor screw formula sieve sheet by banded steel plate and processes; Sieve sheet on the sieve nest is equidistant evenly distributed circular cage shape with the spacing of sieve sheet, and outside sieve nest middle part the equidistant collision block that is provided with on the ancient piece of jade, round, flat and with a hole in its centre.Said frame is a rectangle, in the frame upper end, weight is installed, and weight and frame flexibly connect and freely rotate, and the contacted distance in the outer end of weight and sieve nest is the length of weight, the corresponding setting with collision block of weight.Said frame medial surface is installed the elasticity cleaning mechanism, and the elasticity cleaning mechanism is the broach shape metallic object that has transverse axis.The outer surface that the support support roller of said support sieve nest contacts with sieve nest is a convex-concave shape structure.The spirals of described quick discharge sieve is designed to the screw with long screw pitch structure, and the discharge sieve is installed in the sieve nest fast.The shell of bearing is a gear-like.Gear-bearing adopts known bearing, and reductor is connected with drive unit through known bearings.
The invention has the beneficial effects as follows: because the present invention is designed to helical structure with sieve nest; And the supporting bracket wheel outer surface is designed to dentalation, when the material that conveyer is sent here, fall into through charging aperture in the spiral sieve nest of rotation; In the spiral screen interspace, fall sieve down less than the material of spiral screen interspace; Greater than the material of spiral screen interspace, on the spiral grating, move ahead, outside being discharged from sieve nest along the hand of spiral.When sieve nest turns round on supporting support roller since between sieve nest and the support roller for the gear of convex-concave contacts, make the spiral sieve nest be in vibrational state always, reach the purpose that sieve nest is cleared up; In order further to prevent the big material of viscosity to sieve pore blockade, on frame, designed elasticity cleaning mechanism, weight rapping cleaning mechanism, solved the blockage problem of sticking of sieve nest.
Description of drawings
Fig. 1 is a main TV structure sketch map of the present invention.Fig. 2 is the right TV structure sketch map of Fig. 1.Fig. 3 is for being provided with the structural representation of the quick discharge sieve 12 of screw with long screw pitch in the existing screening plant sieve nest.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is elaborated.
Mark 1 charging aperture 2 elastomers 3 exciting sources 4 frames 5 support support roller 6 spiral sieve nests 7 reductors 8 gear-bearings 9 weights 10 collision blocks 11 elasticity cleaning mechanisms 12 quick discharge sieves among the figure.
Spiral rotation screening plant according to the invention, its organic frame 4 is equipped with elastomer 2 on the frame 4; Elastomer 2 upper ends are positioned at charging aperture 1 bottom, near sieve nest 6 places exciting source 3 are installed at charging aperture 1 outer wall, and support roller 5 is supported in fixing two of frame 4 front end both sides; Reductor 7 is installed in frame 4 rear ends; The gears engaged of pinion and gear-bearing 8 shells is installed on the main shaft of reductor 7, and sieve nest 6 other ends support support roller 5 by two and support, and sieve nest 6 turns to hollow conveyor screw formula sieve sheet by banded steel plate and processes; Sieve sheet on the sieve nest 6 is equidistant evenly distributed circular cage shape with the spacing of sieve sheet, and outside sieve nest 6 middle parts the equidistant collision block 10 that is provided with on the ancient piece of jade, round, flat and with a hole in its centre.Said frame 4 is a rectangle; Weight 9 is installed in frame 4 upper ends, and weight 9 flexibly connects with frame 4 and freely rotates, and weight 9 is positioned at the top of spiral sieve nest 6; Weight 9 is the length of weight 9 with the contacted distance in outer end of sieve nest 6, weight 9 and collision block 10 corresponding settings.
Material screw sieving device of the present invention turns to round screw thread body formula sieve sheet by banded steel plate, and by the screen size requirement, cage shape round screw thread sieve nest 6 is processed in equidistant arrangement with hollow spiral screen sheet, and spiral sieve nest 6 one ends are installed on the bearing 8 of band gear; Spiral sieve nest 6 of the present invention also can be connected with drive unit by the plain bearing seat supports; As drive end; The sieve nest other end is placed in sieve nest is realized on the support support roller 5 of vibration; To support support roller 5 outer surfaces and be designed to dentalation, when sieve nest 6 turned round on support support roller 5, spiral sieve nest 6 was in vibrational state always; In order to solve the blockage problem of sticking of spiral sieve nest 6, the outer surface that the support support roller 5 of support sieve nest 6 contacts with sieve nest 6 is a convex-concave shape structure, and sieve nest roller above that produces vibration.Said reductor 7 includes motor, and reductor 7 is through the gears engaged on pinion and the gear-bearing 8, and the shell of gear-bearing 8 is a gear-like.Gear-bearing 8 also can adopt known bearing, and reductor 7 is connected with drive unit through known bearings.Described reductor 7 also can be connected with drive unit by the plain bearing seat supports, drives 6 rotations of spiral sieve nest.When material gets in the spiral sieve nest 6 through charging aperture 1; Reductor 7 drives 6 rotations of spiral sieve nests, and the spiral sieve nest 6 of rotation constantly overturns material, falls into sieve down less than the material of sieve aperture; Material greater than sieve aperture is delayed on the compass screen surface; Move ahead along the hand of spiral, be discharged to outside the sieve, accomplish the screening task of material by conveyor screw.Gear-bearing 8 is fixed on the frame 4 with support support roller 5.In order to prevent the obstruction of charging aperture, charging aperture is supported by elastomer 2, and exciting source 3 is installed on the ancient piece of jade, round, flat and with a hole in its centre outside charging aperture 1, and exciting source 3 interval or continuous shakings are in the constantly defeated people's sieve nest 6 of material.Said frame 4 is a rectangle; Weight 9 is installed in frame 4 upper ends, and weight 9 flexibly connects with frame 4 and freely rotates, and weight 9 is positioned at the top of spiral sieve nest 6; Weight 9 is the length of weight 9 with the contacted distance in outer end of sieve nest 6, weight 9 and collision block 10 corresponding settings.Said weight 9 is positioned at the top of spiral sieve nest 6, and free to rotate, and collision block 10 is the metal protrusion; Be installed in the position that can touch weight 9 on spiral sieve nest 6 circumference, when 6 rotations of spiral sieve nest, collision block 10 is with 6 rotations of spiral sieve nest; When collision block 10 rotates to the position of weight 9; The weight 9 that is collided makes its high lifting, after collision block 10 turns over, and the high weight that lifts 9 freely falling body under the effect of own wt; Heavy pounds on spiral sieve nest 6, and the material vibrations that are attached on the spiral sieve nest 6 are fallen.Said frame 4 medial surfaces are installed elasticity cleaning mechanism 11; Elasticity cleaning mechanism 11 is processed by the broach shape rigid metal that has transverse axis; The two ends of transverse axis are inserted the power in the sieve sheet gap by weight or spring for it applies broach shape metal object; Broach shape metallic object is inserted in the gap of sieve sheet of spiral sieve nest 6,, be unlikely to cause when card has foreign matter between the sieve sheet excessive stresses owing to himself have elasticity; The material that sticks on the sieve sheet is carried out powerful scraping cleaning, can thoroughly solve sticking stifled, the stifled problem of card in the material screening process.The present invention adopts three kinds of structures to accomplish for preventing sieve pore blockade: the one, and the support roller 5 of sieve nest charging aperture is made into surperficial convex-concave shape circle roller, is similar to gear-like, produces vibration above that when sieve nest 6 rotates; The 2nd, weight 9 bump block clearings promptly above sieve nest, are hung a plurality of weights 9, on the periphery of sieve nest 6 relevant positions at interval; Settle a plurality of collision blocks 10, when sieve nest 6 rotated, collision block 10 is collision weight 9 constantly; Make weight 9 receive impact and raise, after the collision block 10, the weight 9 that is elevated freely falls; Pound and hit on sieve nest 6, make the sieve nest vibration, accomplish cleaning; The 3rd, when use has 13 pairs of granule material screenings of sieve nest, when oversize accounts for large percentage,, be provided with the structure of the quick discharge sieve nest of screw with long screw pitch in order to increase the discharge rate of oversize, in sieve nest 13, be provided with the quick discharge sieve 12 of coarse pitch.Material and the sieve aperture big in screen viscosity are made as parallel construction than a hour grating relatively; Be about to sieve sheet and be made into annular, equidistance is arranged, and processes the circular sieve nest of cage shape; The quick discharge sieve 12 of built-in spiral; The sieve sheet of described quick discharge sieve 12 adopts the spirals design, is the screw with long screw pitch structure, and discharge sieve 12 is installed in the sieve nest fast.The present invention is anti-blocking except that adopting said structure, and each sieve aperture is provided with colyliform or tabular elasticity block clearing device, also can guarantee the unimpeded of sieve aperture.The present invention can solve sticking stifled, the stifled problem of card in the material screening process, have rational in infrastructure, simple and reliable, energy savings, long service life, reduction labour intensity and the low characteristics of use cost.
During use, the present invention falls into through charging aperture 1 in the spiral sieve nest 6 of rotation at the material of being sent here by conveyer; Material falls into sieve down less than the material that sieves the sheet gap in the spiral sieve nest 6 of rotation, greater than the material in sieve sheet gap; Be delayed in the spiral sieve nest 6, spiral sieve nest 6 upsets with rotation obtain further screen; Big material is promoted forward along the hand of spiral by helical form sieve sheet, and until being screwed out outside the spiral sieve nest 6, said support support roller 5 outer surfaces are dentalation; Therefore, when spiral sieve nest 6 turned round above that, spiral sieve nest 6 was in vibrational state always.Solved the blockage problem of sticking of spiral sieve nest 6.The present invention has simple in structure, can reduce equipment failure rate, has reduced energy consumption, makes again to stop up all to eliminate, and has guaranteed the safe operation of induction system.The present invention not detailed description is a known technology.
Claims (7)
1. spiral rotation screening plant; Its organic frame (4) is equipped with elastomer (2) on the frame (4), elastomer (2) upper end is positioned at charging aperture (1) bottom; Locate to install exciting source (3) at charging aperture (1) outer wall near sieve nest (6); It is characterized in that: support roller (5) is supported in fixing two of frame (4) front end both sides, and reductor (7) is installed in frame (4) rear end, and the gears engaged of pinion and gear-bearing (8) shell is installed on the main shaft of reductor (7); Sieve nest (6) other end supports support roller (5) by two and supports; Sieve nest (6) turns to hollow conveyor screw formula sieve sheet by banded steel plate and processes, and the sieve sheet on the sieve nest (6) is equidistant evenly distributed circular cage shape with the spacing of sieve sheet, and outside sieve nest (6) middle part the equidistant collision block (10) that is provided with on the ancient piece of jade, round, flat and with a hole in its centre.
2. spiral rotation screening plant according to claim 1; It is characterized in that: said frame (4) is rectangle; In frame (4) upper end, weight (9) is installed, weight (9) flexibly connects with frame (4) and freely rotates, and weight (9) is positioned at the top of spiral sieve nest (6); Weight (9) is the length of weight (9) with the contacted distance in outer end of sieve nest (6), weight (9) and the corresponding setting of collision block (10).
3. spiral rotation screening plant according to claim 1 is characterized in that: said frame (4) medial surface is installed elasticity cleaning mechanism (11), and elasticity cleaning mechanism (11) is processed for the broach shape metal that has transverse axis.
4. spiral rotation screening plant according to claim 1 is characterized in that: the outer surface that the support support roller (5) of said support sieve nest (6) contacts with sieve nest (6) is a convex-concave shape structure.
5. spiral rotation screening plant according to claim 1 is characterized in that: the spirals of described quick discharge sieve (12) is designed to the screw with long screw pitch structure, and discharge sieve (12) is installed in the sieve nest (13) fast.
6. spiral rotation screening plant according to claim 1 is characterized in that: the shell of bearing (8) is a gear-like.
7. spiral rotation screening plant according to claim 6 is characterized in that: gear-bearing (8) adopts known bearing, and reductor (7) is connected with drive unit through known bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100785648A CN102615040A (en) | 2012-03-22 | 2012-03-22 | Spiral rotary screening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100785648A CN102615040A (en) | 2012-03-22 | 2012-03-22 | Spiral rotary screening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102615040A true CN102615040A (en) | 2012-08-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100785648A Pending CN102615040A (en) | 2012-03-22 | 2012-03-22 | Spiral rotary screening device |
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| CN (1) | CN102615040A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102935428A (en) * | 2012-11-08 | 2013-02-20 | 品孚罗特过滤设备（北京）有限公司 | Device for separating solid particles and application thereof |
| CN105312219A (en) * | 2014-06-23 | 2016-02-10 | 新疆金宇鑫新材料有限公司 | Rotary screen capable of rotating forwards and backwards and provided with spiral screening rings |
| CN106345690A (en) * | 2016-10-25 | 2017-01-25 | 盘县金阳机械加工有限责任公司 | Continuous flipping vibration device of screening barrel |
| CN115106204A (en) * | 2022-06-17 | 2022-09-27 | 唐山森普矿山装备有限公司 | Screen basket splicing method |
| CN117798048A (en) * | 2023-12-28 | 2024-04-02 | 山东华锴重工机械有限公司 | Multistage sorting facilities of aggregate |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2194770Y (en) * | 1994-03-31 | 1995-04-19 | 武汉市环境卫生科学研究所 | Refuse screening machine |
| JP3016475B2 (en) * | 1996-12-12 | 2000-03-06 | 株式会社中部ソイルベスト | Sieve device |
| CN2877890Y (en) * | 2005-12-29 | 2007-03-14 | 福建南方路面机械有限公司 | Separating and recovering device for wet concrete |
| CN2920441Y (en) * | 2005-12-31 | 2007-07-11 | 高远新 | Portable material sifting and impurity removing device |
| CN200981051Y (en) * | 2006-12-20 | 2007-11-28 | 攀钢集团钢城企业总公司球团厂 | Adjustable pellet roller type sieving machine |
| CN201669205U (en) * | 2010-05-21 | 2010-12-15 | 长春建工集团有限公司 | Roller screening device |
| CN102225391A (en) * | 2011-04-01 | 2011-10-26 | 山东建设机械股份有限公司 | Multilevel rotary screen with spiral blade for processing garbage |
-
2012
- 2012-03-22 CN CN2012100785648A patent/CN102615040A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2194770Y (en) * | 1994-03-31 | 1995-04-19 | 武汉市环境卫生科学研究所 | Refuse screening machine |
| JP3016475B2 (en) * | 1996-12-12 | 2000-03-06 | 株式会社中部ソイルベスト | Sieve device |
| CN2877890Y (en) * | 2005-12-29 | 2007-03-14 | 福建南方路面机械有限公司 | Separating and recovering device for wet concrete |
| CN2920441Y (en) * | 2005-12-31 | 2007-07-11 | 高远新 | Portable material sifting and impurity removing device |
| CN200981051Y (en) * | 2006-12-20 | 2007-11-28 | 攀钢集团钢城企业总公司球团厂 | Adjustable pellet roller type sieving machine |
| CN201669205U (en) * | 2010-05-21 | 2010-12-15 | 长春建工集团有限公司 | Roller screening device |
| CN102225391A (en) * | 2011-04-01 | 2011-10-26 | 山东建设机械股份有限公司 | Multilevel rotary screen with spiral blade for processing garbage |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102935428A (en) * | 2012-11-08 | 2013-02-20 | 品孚罗特过滤设备（北京）有限公司 | Device for separating solid particles and application thereof |
| CN102935428B (en) * | 2012-11-08 | 2016-01-20 | 品孚罗特过滤设备（北京）有限公司 | A kind of separator of separate solid particles and application thereof |
| CN105312219A (en) * | 2014-06-23 | 2016-02-10 | 新疆金宇鑫新材料有限公司 | Rotary screen capable of rotating forwards and backwards and provided with spiral screening rings |
| CN106345690A (en) * | 2016-10-25 | 2017-01-25 | 盘县金阳机械加工有限责任公司 | Continuous flipping vibration device of screening barrel |
| CN106345690B (en) * | 2016-10-25 | 2019-01-04 | 盘县金阳机械加工有限责任公司 | A kind of screen drum chain of rings attack vibration device |
| CN115106204A (en) * | 2022-06-17 | 2022-09-27 | 唐山森普矿山装备有限公司 | Screen basket splicing method |
| CN117798048A (en) * | 2023-12-28 | 2024-04-02 | 山东华锴重工机械有限公司 | Multistage sorting facilities of aggregate |
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Application publication date: 20120801 |