CN103464371A - Unpowered anti-blocking grate bar slide sieve - Google Patents
Unpowered anti-blocking grate bar slide sieve Download PDFInfo
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- CN103464371A CN103464371A CN2013104090159A CN201310409015A CN103464371A CN 103464371 A CN103464371 A CN 103464371A CN 2013104090159 A CN2013104090159 A CN 2013104090159A CN 201310409015 A CN201310409015 A CN 201310409015A CN 103464371 A CN103464371 A CN 103464371A
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Abstract
An unpowered anti-blocking grate bar slide sieve comprises a sieve plate (1). The sieve plate (1) is provided with a plurality of gaps (3) in the material sliding direction, wherein one end of every gap (3) is open. Grate bars (2) are arranged between the adjacent gaps (3). The unpowered anti-blocking grate bar slide sieve is characterized in that the sieve plate is installed on a beam (4) inside a sieve body or an external fixable object and is inclined in the material sliding direction relative to the horizontal plane, one end of the sieve plate (1) is located below a feeding port (6), and the other end of the sieve plate (1) is provided with a discharging port (5). The unpowered anti-blocking grate bar slide sieve is unpowered, does not block materials and is low in production loss, gaps of the grate bars can be adjusted on the site according to material grain size requirements of a device or a client, the grate bars are made of alloy castings, the slide sieve is ultra high in abrasion resistance and heavy load, high in corrosion resistance, low in manufacturing cost, simple to install and maintain and small in occupied space, concentrated sieving of products is achieved, materials are collected in a concentrated mode, the capacity requirements of large mining devices can be met, and the materials with the grain sizes of 3-300mm can be sieved.
Description
Technical field
The present invention relates to material screening equipment, specifically a kind of unpowered anti-sticking grid section slide sieve, sieved for the material to coarse fodder and fines are arranged.
Background technology
The existing screening plant containing grate mainly adopts the mode of dynamic vibrosieve, and sliding downwards and sieving the main vibration of the brute force by vibration source of material, impel the coarse fodder, the fines (powder) that are sized material to produce eduction.Eduction is sunk thin material gradually, from the upper surface of screen cloth (bar), through the sieve aperture of screen cloth (bar), arrives under the screen cloth (bar) of vibratory sieve, and is taken as screenings discharge vibratory sieve, and screenings herein is exactly the fines be commonly called as.The coarse fodder particle floats because of the sinking gradually of fine granules, can not from sieving, slowly to sieve nest horizontal plane low side, slide through screen cloth or grid section gap, when the coarse fodder particle slipped after screen cloth (bar) lower edge because sliding downwards, be taken as oversize and discharge vibratory sieve, oversize herein is exactly the coarse fodder be commonly called as, so coarse fodder, fines are sieved.
On May 2nd, 2012 announces, publication number is 102430517A, application number is 201110410605.4 Chinese invention patents that are called a ＂ vibration slide sieve ＂, at first be a kind of vibration slide sieve, need of work consumes electric energy, and the sieve nest vibration easily damages, and maintenance rate and maintenance cost are high, delay work and mistake, affect production efficiency; Secondly, only can be for meal or fine powder sieving, with other sieve of tradition, shock resistance is poor, it is little to bear a heavy burden, production capacity is low; The 3rd, feed end grid section and groove width equate with discharge end grid section and groove width, easily material folding, get stuck, and grid section is difficult to evenly in installation process or vertical the setting, this structure, do not meet a large amount of supports for material down-slidings in the screening materials carrying process and should follow the natural law of walking more spacious and more spacious, when heavier, larger particles material are blocked in somewhere, grating gap, both made dynamic also being not easy sift out getting stuck, and produce by the chain accumulation of cap product material, cause stopping production, damage equipment, finished product material are sneaked into the quality accident of semi-finished product material; The 4th, grid section is plane, in the material process of slipping, tiny material easily along with the bulk granule materials along the grid section surface together straight line carry cunning, cause material screening segregation not, batch mixing is serious; The 5th, because sieve nest is that the long elephant trunk of cavity shape forms, wear-resisting poor; The sieve plate lengthwise dimension be the width size 3--20 doubly, the material under long sieve nest screening is difficult for centralized collection, can only Fractional Collections, floor space is large, sieving area is little, production capacity is low; The 6th, because sieve nest is longer, also be furnished with electric actuator, inapplicable narrow space is installed screening, and, because its every section sieve plate is as a whole, when grating damages, maintenance is inconvenient.
Application number is 201210231281.2 and is called the Chinese patent application of " a kind of anti-sticking grid section slide sieve ", made up that above-mentioned patent application equates to cause material folding at feed end grid section and groove width with discharge end grid section and groove width, defect gets stuck, but owing to being the rectangle sieve nest, the sieve plate area is little, compass screen surface is narrow, the cloth scope is little, can not meet the per hour above screening needs of production capacity hundreds of ton of large-scale mine equipment, and undersize material is difficult for centralized collection, quantity increase as sieve, also separately need the equipment such as auxiliary conveyor system, take up an area more; Grid section support and girder construction are unreasonable, the wide horizontal plane setting of back section, in the easy buildup of the binding site of grid section and beam, get stuck, sieve plate is fixed by the rivet welding mode, be difficult for to install and maintenance, be difficult for requiring to adjust the gap between grid section according to the particle diameter of screening materials carrying, can't provide because do not install screen cloth additional that particle diameter is less, product during standard more, only applicable coarse fraction or pre-screening, screening effect can not meet national machinery sandstone quality standard, containing faller gill shape particle, exceed standard, production cost is higher.
Summary of the invention
The purpose of this invention is to provide a kind of unpowered, do not get stuck, not material folding, low-loss production, can be on-the-spot according to equipment performance, need or the client adjusts the gap between grid section to the requirement of material particular diameter, wear-resisting, heavy duty is large, anti-corrosive properties are strong, low cost of manufacture, simple, the suitable small space of installation and maintenance are used, floor space is little, realize that product concentrates screening, concentrates rewinding, can complete the large-scale mine equipment capacity and need or meet a kind of unpowered anti-sticking grid section slide sieve that the screening of 3～300mm particle diameter requires.
The present invention is achieved through the following technical solutions:
A kind of unpowered anti-sticking grid section slide sieve, comprise sieve plate (1), sieve plate (1) is upper to slip direction along material and has the gap (3) that a plurality of ends are uncovered, be provided with grid section (2) between adjacent gap (3), it is characterized in that: but this sieve plate is arranged on the beam or outside fixture of sieve nest Inner section, and upper beam (4) and～end face of underbeam (4A) and sieve plate (1) slip direction and horizontal plane along material and be obliquely installed, one end of described sieve plate (1) is positioned at the below of charging aperture (6), and the other end is discharging opening (5); The uncovered thicker end in described each gap (3) is the discharging opening of sieve plate (1), and the gap (3) between two adjacent grid sections slips direction along material to be widened gradually, and the orthographic projection of described grid section (2) on horizontal plane is isosceles trapezoid or rectangle.
Described sieve plate (1) is at least one deck or one section.
The orthographic projection of grid section (2) on horizontal plane is isosceles trapezoid, and the angle that the extended line of two waists forms is the 1--20 degree.
Described grid section (2) upper surface is arc, convex, isosceles trapezoid or plane, and the width on the cross section top of grid section (2) upper surface below is more than or equal to the width of bottom, and the cross section of upper surface below is arc, isosceles trapezoid or rectangle.
Described sieve plate (1) is the 5--60 degree slip the angle of direction and horizontal plane along material.
The orthographic projection of described gap (3) on horizontal plane is isosceles trapezoid or right-angled trapezium, and the angle that the extended line of isosceles trapezoid two waists forms is 1～50 degree.
Described sieve plate (1) is shaped as taper shape, fan-shaped, rectangle; Screen cloth (19) can be laid or lift in described sieve plate (1) bottom.
Described grid section (2) is provided with spill, Shang shape bracing frame or beam near the bottom of charging aperture (6) and discharging opening (5).
The bottom even of sieve nest is provided with the grate support spring.
Advantage of the present invention is:
A kind of unpowered anti-sticking grid section slide sieve of the present invention, that lonely shape, gap are uncovered from top to bottom to be increased gradually because the grid section surface is, upper beam (4) and underbeam (4A) end face and sieve plate are obliquely installed, and the width of grid section upper support frame (8) and grid section lower support frame (8A) is less than grid section (2), thereby realize unpowered, do not get stuck, not material folding, do not drag and carry a fines, tiny material breaks away to gap from the grid section surface, and the screening material is clean; Grid section (2) adopts that super wear-resisting, the super-heavy load of alloy-steel casting, antiseptic property are strong, long service life; Be furnished with impact-resistant panels (10), more due to supplied materials coherence and impulsive force, Flow of Goods and Materials speed accelerated, emanate effective, realize that production capacity improves greatly; Pre-sieving capacity is accelerated more than 3--5 times than conventional screen; Cloth is simply even, and floor space is little, and sieve plate is arranged and concentrated, area is large, efficiency is high, production capacity is large, the easy centralized collection of minus mesh, is applicable to mine and the production of barren rock mine tailing etc. and supports the use than the high production capacity of large equipment; The conical sieve plate of the present invention of take is example, takes up an area only at 10～12 square metres, can complete the following material screening of 300mm, and production capacity can reach per hour 600～1200 tons; And traditional vibratory sieve take specification as 2100 * 6000mm be example, each sieve nest comprises that the floor space of tripper is more than 15 square metres, every cover production capacity is per hour 100～380 tons, maximum sieve aperture particle diameter is 100mm; Operating efficiency of the present invention is 3～4 times of traditional vibratory sieve; Reduce and take up an area more than 3--6 times; Wherein also not comprising between sieve and sieve that conveyer belt is installed answers floor space, and grid section of the present invention is real core alloy cast steel material, and rub proofness is higher than traditional screen cloth 5--10 times; Strong shock resistance, can not produce to throw during carrying screening bulk materials yet and pound damaged sieve plate, is that conventional screen can't complete, and can, according to equipment performance, production capacity and client to the next on-the-spot adjusting play of the needs of finished product grain size, need not again change screen cloth;
The present invention can lay in the sieve plate bottom or the lifting screen cloth when the client needs, and realizes separating again of thin material screening, reduces the content of finished product faller gill shape; Because screen cloth has not had the destruction of relatively large material impact and idle wearing and tearing and vibrations, the filament screen cloth can be installed, screen cloth is extended service life greatly;
The present invention is simple in structure, safe and reliable, compares the minimizing manufacturing cost with conventional screen, and wherein every production line reduces ten thousand yuan of left and right of equipment purchasing mounting cost 20--50, saving steel 20--50 ton left and right; Because maintenance rate is extremely low, working hour expense, the accessory expense that can save maintenance every year reach hundreds of thousands unit; Due to the present invention's required material effect of distinct device of can directly emanating on request, avoid piece material by idle breakage, thereby improved production capacity, improved quality, alleviated the solid waste rate and produced.
The accompanying drawing explanation
Fig. 1 is the conical comb sieve structure of the embodiment of the present invention 1 schematic diagram;
The top view that Fig. 2 is the embodiment of the present invention 1;
The structural representation that Fig. 3 is the embodiment of the present invention 2;
To be grid section in the present invention (2) slip direction spaced conical sieve-plate structure schematic diagram wide at the top and narrow at the bottom and up-narrow and down-wide along material to Fig. 4;
To be grid section in the present invention (2) slip the up-narrow and down-wide and upper and lower wide spaced crescent screen plate structure schematic diagram of direction along material to Fig. 5;
To be grid section in the present invention (2) slip the wide at the top and narrow at the bottom and upper and lower wide spaced conical sieve-plate structure schematic diagram of direction along material to Fig. 6;
To be grid section in the present invention (2) slip the conical sieve-plate structure schematic diagram of direction setting wide at the top and narrow at the bottom along material to Fig. 7;
Fig. 8 is the structural representation that in the embodiment of the present invention 3, sieve plate is rectangle;
Fig. 9 is rectangular mesh screen plate structure schematic diagram;
Figure 10 is that 2 rectangle sieve plates are combined into flow direction of material schematic diagram in embodiment 4 splayed configuration sieve nest work;
Figure 11 be embodiment 5 sieve plates on the same side, in bottom staggered floor combination, sieve plate slips the end to end a kind of unpowered anti-sticking grid section slide sieve structural representation of direction at material,
Figure 12 be embodiment 6 sieve plates on the same side, in bottom staggered floor combination, sieve plate slips the partly overlapping a kind of unpowered anti-sticking grid section slide sieve structural representation of direction at material.
Wherein: 1～sieve plate, 1A～bottom sieve plate, 2～grid section, 3～gap, 4～upper beam, 4A～underbeam, 4B～bottom sieve plate upper beam, 4C～bottom sieve plate underbeam, 5～coarse fodder discharging opening, 5A～fines discharging opening, 6～charging aperture, 7～interior sieve nest, 7A～outer sieve nest, 8～grid section upper support frame, 8A～grid section lower support frame, 8B～bottom sieve plate grid section upper support frame, 8C～bottom sieve plate grid section lower support frame, 9～distributing device, 10～shock resistance pressing plate, 11～interior sieve nest installation and repairing door and reserved electromagnetic shaker installation check door, the discharging of 12～fines collects bucket, 13～sieve nest bottom spring supporting framework, 14～interior sieve nest support spring, 14A～outer sieve nest support spring, boom support on 15～sieve plate, boom support under 15A～sieve plate, 15B～bottom sieve plate upper beam bracing frame, 16～reserved vibrator mounting bracket, 17～paving riddle mesh, 18～material particular diameter is adjusted keyhole, 19～screen cloth, 20～gap adjusting pad, 21～rectangle sieve plate, 22～rectangular mesh screen board mount, 23～rectangle sieve plate crossbeam, 24～rectangle sieve nest, 25～rectangle fines collects bucket, 26～rectangular mesh screen charging aperture, 27～rectangular mesh screen coarse fodder discharging opening, 28～rectangular mesh screen fines discharging opening, 29～rectangular mesh screen gap, 30～rectangular mesh screen grid section, 31～outside material conveyer belt.
The specific embodiment
The conical a kind of unpowered anti-sticking grid section slide sieve that sieve plate is individual layer:
A kind of unpowered anti-sticking grid section slide sieve, comprise sieve plate (1), sieve plate (1) is upper to slip direction along material and has the gap (3) that a plurality of ends are uncovered, be provided with grid section (2) between adjacent gap (3), it is characterized in that: gap (3) and grid section (2) are spaced apart, one end of sieve plate (1) is positioned at the below of charging aperture (6), the other end is discharging opening (5), below at the close charging aperture (6) of sieve plate (1) is arranged on the upper beam (4) of sieve nest Inner section by grid section upper support frame (8), upper beam (4) is fixed on sieve plate upper beam bracing frame (15), sieve plate upper beam bracing frame (15) is fixed on interior sieve nest (7), sieve plate (1) below is arranged near the underbeam (4A) of discharging opening (5) one ends upper by grid section lower support frame (8A), underbeam (4A) is fixed on outer sieve nest (7A), sieve plate (1) slips direction and horizontal plane along material and is obliquely installed, and the top of interior sieve nest (7) is provided with distributing device (9), material flows into charging aperture (6) by distributing device (9), be provided with shock resistance pressing plate (10) between sieve plate (1) top and distributing device (9) bottom, gap (3) between two adjacent grid sections (2) of sieve nest (1) is widened gradually slipping direction along material, and the uncovered thicker end in described each gap (3) is the discharging opening (5) of sieve plate (1), the orthographic projection of described grid section (2) on horizontal plane is isosceles trapezoid or rectangle, grid section lower support frame (8A) is provided with adjusting hole (18) and paving riddle mesh (17), and the grid section upper support frame also is provided with the riddle fixing hole on (8), in sieve nest, sieve nest (7) bottom is provided with interior sieve nest support spring (14), and the bottom of outer sieve nest (7A) is provided with outer sieve nest support spring (14A).
Described sieve plate (1) is conical structure;
Have interior sieve nest installation and repairing door and reserved electromagnetic shaker installation check door (11) on interior sieve nest lower end or sidewall;
Direction is up-narrow and down-wide, orthographic projection on horizontal plane is isosceles trapezoid slipping along material for described grid section (2), and the angle that the extended line of isosceles trapezoid two waists forms is the 1--20 degree;
Described grid section (2) upper surface is arc, convex, isosceles trapezoid or plane, and the width on the cross section top of grid section (2) upper surface below is more than or equal to the width of bottom, and the cross section of upper surface below is arc, isosceles trapezoid or rectangle;
Described sieve plate (1) is the 5--60 degree slip the angle of direction and horizontal plane along material;
The orthographic projection of described gap (3) on horizontal plane is isosceles trapezoid or right-angled trapezium, and the angle that the extended line of isosceles trapezoid two waists forms is 1～50 degree.
The screening course of work of embodiment 1:
The material direct-furnish that will sieve by outside conveyer belt is to the central authorities of the distributing device (9) of the present embodiment 1, when the suffered material of this distributing device (9) is tapered pile with material after automatically excessive more uniform cloth to the shock resistance pressing plate (10) and sieve plate (1) that are obliquely installed on, material is along the charging aperture (6) that slips to sieve plate (1) under shock resistance pressing plate (10) and by grid section (2), gap (3) slips to coarse fodder discharging opening (5) and fines discharging opening (5A) under the discharging opening direction continues, material particles is greater than wide suitable sieve plate (1) surface, gap (3) and is discharged by discharging opening (5), be commonly called as coarse fodder, material particles is little passes through grid section (2) face side and slides to gap (3) and discharged by fines discharging opening (5A) through gap (3), is commonly called as fines, so coarse fodder, fines are sieved.
The setting of gap width and fixed adjustment are according to device fabrication needs and client, the requirement of product specification to be determined, the gap adjustment is fixedly to fix by grid section bracing frame gap adjusting hole (18) and bolt and gap adjusting pad (20).
Two waist extended line angulations of described grid section (2) and gap (3) isosceles trapezoid that orthographic projection forms on horizontal plane, all make sieve plate gap (3) hold narrow for charging aperture (6), discharging opening (5) is held the wide rule for following, allow material to each discharging opening direction, more not material folding of sliding more free from worry non-resistance, angular dimension is all set and is adjusted according to the required product particle diameter.
Embodiment 2:
Sieve plate is double-deck conical a kind of unpowered anti-sticking grid section slide sieve
The below of sieve plate in embodiment 1 (1) arranges bottom sieve plate (1A), and it is upper that the underbeam (4A) of sieve plate (1) is fixed on boom support under sieve plate (15A), and boom support under sieve plate (15A) and bottom sieve plate underbeam (4C) are fixed on outer sieve nest (7A); Screen cloth (19) can be layered on bottom sieve plate (1A) upper surface or be lifted on grid section upper support frame (8), grid section lower support frame (8A) or bottom sieve plate grid section upper support frame (8B), on the upper paving riddle mesh arranged of bottom sieve plate grid section lower support frame (8C), other is all identical with embodiment 1.
The screening process of embodiment 2
Its upper strata screening process is all identical with embodiment 1, lower floor's sieve plate (1A) is that the fines material that supplied with in sieve plate (1) fines discharging opening (5A) by material carries out secondary refinement screening, suffered material by grid section (2) and gap (3) along the Flow of Goods and Materials direction, to sieve particle and be greater than the wide material discharge coarse fodder discharging opening (5) in gap (3), be commonly called as coarse fodder; Particle is less than the gap of passing in gap (3) and passes through fines discharging opening (5A), fall on screen cloth (19) and carry out the screening of material refinement for the third time, the material that is greater than sieve screen apertures is discharged along the direction of coarse fodder discharging opening (5), be commonly called as coarse fodder, particle is less than being discharged by fines outlet (5A) through sieve aperture of sieve screen apertures, fall into fines and collect bucket (12) and discharge, so thick, fines is sieved.
Sieve plate (1) and bottom sieve plate (1A) are arranged to the screening gap of 2 different sizes, 2 layers of sieve plate can need to once sieve the material that just isolates at least 2 different-grain diameters according to equipment, install screen cloth additional, can realize that thin material screening reaches more separating again of fine particle product, reduces the content of finished product faller gill shape.
Embodiment 3:
A kind of unpowered anti-sticking grid section slide sieve that sieve plate is plane, as shown in Figure 7:
A kind of unpowered anti-sticking grid section slide sieve, comprise rectangle sieve plate (21), rectangle sieve plate (21) is upper to slip direction along material and has the rectangular mesh screen gap (29) that a plurality of ends are uncovered, be provided with rectangular mesh screen grid section (30) between adjacent rectangular mesh screen gap (29), it is characterized in that: described rectangle sieve plate (21) is a plane, this sieve plate be arranged on rectangle sieve nest (24) Inner section rectangle sieve plate crossbeam (23) but or on the fixture of outside, described rectangle sieve plate (21) slips direction and horizontal plane along material and is obliquely installed, rectangle sieve plate crossbeam (23) is arranged on rectangle sieve nest (24), one end of described rectangle sieve plate (21) is positioned at the below of rectangular mesh screen charging aperture (26), the other end is rectangular mesh screen coarse fodder discharging opening (27), the uncovered thicker end in described each rectangular mesh screen gap (29) is the rectangular mesh screen coarse fodder discharging opening (27) of sieve plate, gap between two adjacent rectangle sieve grate bars (30) slips direction along material to be widened gradually, and the orthographic projection of described rectangular mesh screen grid section (30) on horizontal plane is isosceles trapezoid or rectangle.
But the outside fixture can be other object outside rectangle sieve nest (21), rectangular mesh screen grid section (30) can use arbitrarily that it is hung, welded and installed is fixed.
The plane sieve plate is any combination as required;
For example:
Embodiment 4:
Be combined to form back-to-back the splayed configuration sieve nest, as shown in accompanying drawing (9);
This sieve plate is applicable to small space to be used, and has increased work area, reduces and takes up an area, and increases output, and cloth is concentrated, and rewinding is convenient.
Embodiment 5:
Sieve plate is on the same side, in bottom staggered floor combination, and sieve plate slips the end to end a kind of unpowered anti-sticking grid section slide sieve of direction at material, as shown in accompanying drawing (10);
The gap of the gap of upper strata sieve plate and bottom sieve plate can be set to identical or different, the upper strata sieve plate bottom and between the top of lower floor's sieve plate down suction is arranged, the coarse fodder of upper strata sieve plate discharging opening is fallen screening again lower floor's sieve plate from the upper strata sieve plate through the down suction between two-layer sieve plate, make to sieve product cleaner, improve output; Gap or not identical gap, sieve out the different-grain diameter product, meets distinct device or customer requirement.
Embodiment 6:
Sieve plate is on the same side, in bottom staggered floor combination, and sieve plate slips the partly overlapping a kind of unpowered anti-sticking grid section slide sieve of direction at material, as shown in accompanying drawing (11);
The upper strata sieve plate bottom and between the top of lower floor's sieve plate down suction is arranged, and upper strata sieve plate and lower floor's sieve plate slip direction at material and overlap, the coarse fodder of the part undersize material of upper strata sieve plate and upper strata sieve plate coarse fodder discharging opening is fallen screening again on lower floor's sieve plate through the down suction between two-layer sieve plate, the minus mesh larger to the lower end particle diameter of upper strata sieve plate sieved again, adjust the product cut size ratio, make to sieve product cleaner, improve output; Two-layer sieve plate arranges gap or not identical gap, sieves out the different-grain diameter product, meets distinct device or customer requirement.
Combining form on sieve plate on the rectangle sieve nest between grid section is the same with conical sieve plate, can multiple combination, as:
Grid section can be that to slip direction along material wide at the top and narrow at the bottom and upper and lower wide spaced;
Grid section can be to slip direction even setting wide at the top and narrow at the bottom along material;
The shape of grid section can be that to slip direction along material wide at the top and narrow at the bottom and up-narrow and down-wide spaced;
The shape of grid section can be to slip the wide setting of direction along material.
Claims (9)
1. a unpowered anti-sticking grid section slide sieve, comprise sieve plate (1), sieve plate (1) is upper to slip direction along material and has the gap (3) that a plurality of ends are uncovered, be provided with grid section (2) between adjacent gap (3), it is characterized in that: this sieve plate be arranged on sieve nest Inner section beam (4) but or on the fixture of outside, and slip direction and horizontal plane along material and be obliquely installed, an end of described sieve plate (1) is positioned at the below of charging aperture (6), and the other end is discharging opening (5); The uncovered thicker end in described each gap (3) is the discharging opening of sieve plate (1), and the gap (3) between two adjacent grid sections slips direction along material to be widened gradually, and the orthographic projection of described grid section (2) on horizontal plane is isosceles trapezoid or rectangle.
2. a kind of unpowered anti-sticking grid section slide sieve according to claim 1, it is characterized in that: described sieve plate (1) is at least one deck.
3. a kind of unpowered anti-sticking grid section slide sieve according to claim 1, it is characterized in that: the orthographic projection of described grid section (2) on horizontal plane is isosceles trapezoid, the angle that the extended line of two waists forms is the 1--20 degree.
4. a kind of unpowered anti-sticking grid section slide sieve according to claim 1, it is characterized in that: described grid section (2) upper surface is arc, convex, isosceles trapezoid or plane, the width on the cross section top of grid section (2) upper surface below is more than or equal to the width of bottom, and the cross section of upper surface below is arc, isosceles trapezoid or rectangle.
5. a kind of unpowered anti-sticking grid section slide sieve according to claim 1 is characterized in that: described sieve plate (1) is the 5--60 degree slip the angle of direction and horizontal plane along material.
6. a kind of unpowered anti-sticking grid section slide sieve according to claim 1, it is characterized in that: the orthographic projection of described gap (3) on horizontal plane is isosceles trapezoid or right-angled trapezium, the angle that the extended line of isosceles trapezoid two waists forms is 1～50 degree.
7. a kind of unpowered anti-sticking grid section slide sieve according to claim 1, is characterized in that, described sieve plate (1) is shaped as taper shape, fan-shaped, rectangle; Screen cloth (19) can be laid or lift in the bottom of described sieve plate (1).
8. a kind of unpowered anti-sticking grid section slide sieve according to claim 1 is characterized in that: described grid section (2) is provided with spill, Shang shape bracing frame or type beam (4) near the bottom of charging aperture (6) and discharging opening (5).
9. a kind of unpowered anti-sticking grid section slide sieve according to claim 1, it is characterized in that: the bottom even of sieve nest is provided with the grate support spring.
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| CN201310409015.9A CN103464371B (en) | 2013-09-10 | 2013-09-10 | A kind of unpowered anti-sticking grid section slide sieve |
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| CN103464371B CN103464371B (en) | 2016-03-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113210256A (en) * | 2021-04-27 | 2021-08-06 | 河南共达机械有限公司 | Sieve plate |
| CN114731808A (en) * | 2022-04-25 | 2022-07-12 | 西北农林科技大学 | Precision seeder for greenhouse vegetables |
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| DE19541984A1 (en) * | 1995-11-10 | 1997-05-15 | Fan Engineering Gmbh | Armour-plating screens for screw press separators |
| WO2002098584A1 (en) * | 2001-06-06 | 2002-12-12 | Metso Minerals (Tampere) Oy | Bar screen module of a vibratory feeder |
| CN2780365Y (en) * | 2005-01-27 | 2006-05-17 | 郭晓兰 | Screen plate used for material screening |
| CN102430517A (en) * | 2011-12-12 | 2012-05-02 | 中建材（合肥）粉体科技装备有限公司 | Vibration slide sieve |
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- 2013-09-10 CN CN201310409015.9A patent/CN103464371B/en active Active
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| US4283278A (en) * | 1978-03-23 | 1981-08-11 | N. Greening Limited | Screens |
| DE19541984A1 (en) * | 1995-11-10 | 1997-05-15 | Fan Engineering Gmbh | Armour-plating screens for screw press separators |
| WO2002098584A1 (en) * | 2001-06-06 | 2002-12-12 | Metso Minerals (Tampere) Oy | Bar screen module of a vibratory feeder |
| CN2780365Y (en) * | 2005-01-27 | 2006-05-17 | 郭晓兰 | Screen plate used for material screening |
| CN102430517A (en) * | 2011-12-12 | 2012-05-02 | 中建材（合肥）粉体科技装备有限公司 | Vibration slide sieve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113210256A (en) * | 2021-04-27 | 2021-08-06 | 河南共达机械有限公司 | Sieve plate |
| CN114731808A (en) * | 2022-04-25 | 2022-07-12 | 西北农林科技大学 | Precision seeder for greenhouse vegetables |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103464371B (en) | 2016-03-23 |
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Effective date of registration: 20200602 Address after: 014010 northeast side of xihegu Mengxi cement plant, Nanpai village, Kunqu District, Baotou City, Inner Mongolia Autonomous Region Patentee after: Baotou Yifeng building materials admixture Co., Ltd Address before: Qingshan District of Baotou city the Inner Mongolia Autonomous Region Dalian 014030 new long Xiyuan 9-301 Patentee before: Guo Xianlu |
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