CN203648837U - Girder-free banana relaxation sieve - Google Patents
Girder-free banana relaxation sieve Download PDFInfo
- Publication number
- CN203648837U CN203648837U CN201320871062.0U CN201320871062U CN203648837U CN 203648837 U CN203648837 U CN 203648837U CN 201320871062 U CN201320871062 U CN 201320871062U CN 203648837 U CN203648837 U CN 203648837U
- Authority
- CN
- China
- Prior art keywords
- sieve
- plate
- banana
- girder
- screen frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Images
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The utility model relates to a banana relaxation sieve, in particular to a girder-free linear vibration banana relaxation sieve, and belongs to the field of material sieving technology. The sieve comprises a sieve body; the surface of the sieve body is designed in the shape of a multi-angle broken line; the sieve body comprises a main sieve frame, a floating sieve frame and a sieve plate; the main sieve plate is connected with the floating sieve frame via the sieve plate and an elastic assembly; the main sieve plate comprises a left side plate, a right side plate and a fixe cross beam connected between bottoms of the two side plates; box-type vibration exciters are respectively fixed on the upper sides of the left side plate and the right side plate; the box-type vibration exciters on two sides are connected via an intermediate shaft; and one of the box-type vibration exciters is connected with a drive device. According to the utility model, the weight of a sieve machine is reduced; vulnerable parts are reduced; and the sieve is low in power dissipation, energy-saving, environmentally-friendly, and high in sieving efficiency.
Description
Technical field
The utility model relates to a kind of banana flip flop screen, is specifically related to one without girder straight-line oscillation banana flip flop screen, belongs to material screening technical field.
Background technology
At present, the banana screen version of prior art is to be grouped into by sieve nest, vibrator, motor driving part, and compass screen surface adopts multi-angle broken line design conventionally, because of its shape and banana similar, therefore be called banana screen.Its vibrator is arranged on excitation beam of vibration, motor drives by two vibrators that form with the axle of uneven weight, two axles are done reverse sync revolution, the centrifugal force producing vibrates sieve nest, the vibration of sieve nest drives the material vibrating on compass screen surface and reaches the object of sieve, and its screen(ing) machine adopts large amplitude, high oscillation intensity to realize screening, and shortcoming is Heavy Weight, power consumption is large, and screening efficiency is low.And, because its mode of vibration is comparatively single, particularly in material, the content of moist fine particulate particle is high, granularity is little, specific area is large, add in the situation of existence of the composition such as free moisture and clay, the moist fine particulate particle group of being bonded to mutually, easily be attached on compass screen surface and stop up sieve aperture, affect screening effect.
Utility model content
According to above the deficiencies in the prior art, the purpose of this utility model is: provide a kind of without girder banana flip flop screen, reduce screen(ing) machine weight, reduce consumable accessory, and low in energy consumption, energy-conserving and environment-protective, screening efficiency is high.
Described in the utility model without girder banana flip flop screen, comprise sieve nest, sieve nest surface design is multi-angle fold-line-shaped, sieve nest comprises main screen frame, screen frame and sieve plate float, main screen frame is connected by sieve plate and elastic parts with unsteady screen frame, and main screen frame comprises left plate, right plate and be connected to the fixed cross beam between biside plate bottom, and box vibrator is fixed respectively on left plate, right plate top, the box vibrator in both sides connects by jackshaft, wherein a box vibrator connecting drive device.
Box vibrator is directly fixed on side plate, save exciting crossbeam and corresponding erection support etc., reduce consumable accessory, make structure compacter, be convenient to manufacture, install and safeguard, greatly reduce the weight of screen(ing) machine simultaneously, make power-dissipation-reduced, energy-conserving and environment-protective, whole the moving down of center of gravity of screen(ing) machine, is conducive to the work of screen(ing) machine.By main screen frame and unsteady screen frame are set, change mode of vibration, make screening efficiency higher.
Described unsteady screen frame comprises equalizer bar, crossbeam floats, equalizer bar is longitudinally arranged along main screen frame side plate, and is connected the unsteady crossbeam of connection between the equalizer bar of both sides by resonant springs with side plate, unsteady crossbeam and fixed cross beam be interval layout successively, and sieve plate is connected to and floats between crossbeam and fixed cross beam.Gravity flow screen basket is acted on exciting force to float on sieve basket by resonant springs.Simultaneously, the effect counter-force reaction that resonant springs is sieved basket by floating is at gravity flow screen basket, gravity flow screen basket is subject to the straight line exciting force of vibrator and the interaction of two power of reaction force of the sieve basket that floats, under some specific conditions, can obtain circular vibration or long elliptical vibration, change the vibration mode that original banana screen is single, improve screening efficiency.
On described fixed cross beam and unsteady crossbeam, be fixedly connected with piece, contiguous block is provided with catching groove, corresponding sieve plate both sides are provided with sieve plate leg, and sieve plate leg snaps in catching groove, and a wedge-shaped bar is inserted in the catching groove gap between adjacent two sieve plate legs, catching groove is easy for installation, by wedge-shaped bar, gap is filled up, on the one hand sieve plate is played to reinforcement effect, simultaneous system screening materials carrying falls in gap, wedge-shaped bar can be used and abrasion condition adjustment according to reality, extends sieve plate service life.
The sieve nest surface that described sieve plate forms is that 4～7 angle broken lines design by feeding end to discharge end, and its discharge end is tending towards level, and many angles of inclination make material realize uniform thickness.
Described box vibrator comprises two groups of eccentric rotor assemblies, eccentric rotor assembly is made up of rotating shaft and the fanning strip that is fixed on rotating shaft two ends, two fanning strips of same eccentric rotor assembly lay respectively at the left and right sides of main screen frame side plate, two shaft lengths do not wait and engage by synchromesh gear, by the rotation of eccentric rotor assembly, produce exciting force, adjust the adjustable exciting force size of relative position of fanning strip in two rotating shafts, and then the amplitude of adjusting sieve nest, can be according to actual conditions setting.
Described sieve nest outside, by stent support, is provided with damping spring between sieve nest and support, and the vibration of sieve nest cushions through damping spring, has reduced the impact to ground, reduces noise and the impact of equipment is ground away.
Operation principle and process:
Drive unit drives after box vibrator, is positioned at two box vibrator synchronous vibrations on main screen frame side plate, and the fanning strip of box vibrator does linear output by inner synchromesh gear to same rectilinear direction, gives straight line exciting force of screen(ing) machine.The exciting force that box vibrator produces passes to main sieve basket, main sieve basket passes to by resonant springs the sieve basket that floats by exciting force, thereby the sieve basket that makes to float does and vibrates, be arranged on the unsteady crossbeam and the fixed cross beam that float on sieve basket and produce " displacement difference ", when unsteady crossbeam fixed cross beam when motion dorsad, sieve plate is tightened up, in the time that unsteady crossbeam moves towards fixed cross beam, sieve plate is relaxed, material on sieve plate produces " trampoline effect ", raw coal is effectively upspring and dispersed, by material dispersion, enter to sieve material coarse granule material and fine granular materials generation layering under tension and relaxation motion, fine granular materials is easy to sieve near compass screen surface.
Compared with prior art, the beneficial effect that the utility model has is:
1, the utility model is by being directly fixed on box vibrator on side plate, save exciting crossbeam and corresponding erection support etc., reduce consumable accessory, make structure compacter, be convenient to manufacture, install and safeguard, greatly reduce the weight of screen(ing) machine simultaneously, make power-dissipation-reduced, energy-conserving and environment-protective, whole the moving down of center of gravity of screen(ing) machine, is conducive to the work of screen(ing) machine.
2, straight line exciting output, under some specific conditions, obtain circular vibration or long elliptical vibration, change the vibration mode that original banana screen is single, improve screening efficiency, the sieve nest surface texture of multi-angle oblique, makes material be easy to layering and realizes consistency of thickness, the treating capacity that effectively strengthens same model screen(ing) machine, improves 1.2～1.5 times.
3, application screening with constant bed thickness principle, straight-line oscillation theory, double-mass vibrating principle are carried out optimized design, for the industries such as coal, mine, sandstone, chemical industry, electric power provide a kind of efficient, reliable, screening plant with self-cleaning function, be applicable to the difficult screening materials carrying classifications such as thin, sticky, wet stock.
4, can effectively solve the stifled sieve, the paste sieve etc. that in material screening process, occur and cause the problem that screening efficiency is low, be the effective screening plant of moist fine particulate material dry screening.Especially in the situation that handled material is easy to stop up screen cloth, can use low power motor to solve the phenomenon that moist material is united in screening process, reach high screening efficiency with relatively little screen area, guarantee that screen cloth does not stop up.
Accompanying drawing explanation
Fig. 1 is the utility model perspective view;
Fig. 2 is the utility model front view;
Fig. 3 is the utility model fixed cross beam and unsteady crossbeam assembling schematic diagram;
Fig. 4 is box vibrator front view;
Fig. 5 is box vibrator top view.
In figure: 1, main screen frame; 2, jackshaft; 3, box vibrator; 4, sieve plate; 5, contiguous block; 6, wedge-shaped bar; 7, equalizer bar; 8, support; 9, drive unit; 10, damping spring; 11, resonant springs; 12, unsteady crossbeam; 13, fixed cross beam; 14, fanning strip; 15, synchromesh gear.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model embodiment is described further
As shown in Figures 1 to 3, this comprises sieve nest, support, exciting device and drive unit 9 without girder banana flip flop screen, and the support 8 that does not wait by multiple height in sieve nest outside supports, between sieve nest and support 8, damping spring 10 is installed, the impact to ground while work to cushion sieve nest.Sieve nest comprises main screen frame 1, screen frame and sieve plate 4 float, main screen frame 1 comprises left plate, right plate and is connected to the some fixed cross beams 13 between biside plate bottom, unsteady screen frame comprises equalizer bar 7, crossbeam 12 floats, equalizer bar 7 is longitudinally arranged along the bottom of main screen frame 1 side plate, and be connected with side plate by resonant springs 11, this resonant springs 11 is rubber shear spring.Between both sides equalizer bar 7, connect the crossbeam 12 that floats, float crossbeam 12 and fixed cross beam 13 successively interval layout, sieve plate 4 is connected to and floats between crossbeam 12 and fixed cross beam 13.On fixed cross beam 13 and unsteady crossbeam 12, be fixedly connected with piece 5, contiguous block 5 is bolted many groups along fixed cross beam 13 and unsteady crossbeam 12 length directions, contiguous block 5 adopts the polyurethane of high rigidity to make, contiguous block 5 is provided with catching groove, corresponding sieve plate 4 both sides are provided with sieve plate leg, the sieve plate leg of two adjacent sieve plates 4 snaps in the catching groove of same contiguous block 5, one wedge-shaped bar 6 is inserted in the catching groove gap between adjacent two sieve plate legs with fastening sieve plate 4 and is prevented that material from entering, wherein, sieve plate 4 adopts polyurethane, and wedge-shaped bar 6 adopts polyurethane to make.The sieve nest surface design that sieve plate 4 forms is multi-angle fold-line-shaped, is that 4～7 angle broken lines design by feeding end to discharge end, and its discharge end is tending towards level, and material, through different tilting sections, forms different blanket layer, is beneficial to the screening of material.Exciting device is fixed respectively on left plate, right plate top, and exciting device is box vibrator 3, and the box vibrator 3 in both sides connects by jackshaft 2, and wherein a box vibrator 3 is by Hooks coupling universal coupling connecting drive device 9, and drive unit 9 comprises motor.
As shown in Figures 4 and 5, box vibrator 3 comprises two groups of eccentric rotor assemblies, eccentric rotor assembly is made up of rotating shaft and the fanning strip 14 that is fixed on rotating shaft two ends, two fanning strips 14 of same eccentric rotor assembly lay respectively at the left and right sides of main screen frame 1 side plate, and two shaft lengths do not wait and engage by synchromesh gear 15.
The course of work:
When use, starter motor, motor drives box vibrator 3, and the fanning strip 14 of box vibrator 3 does linear output by inner synchromesh gear 15 to same rectilinear direction, gives straight line exciting force of screen(ing) machine.The exciting force that box vibrator 3 produces passes to main sieve basket 1, main sieve basket 1 passes to by resonant springs 11 the sieve basket that floats by exciting force, thereby the sieve basket that makes to float does and vibrates, be arranged on the unsteady crossbeam 12 floating on sieve basket and produce " displacement difference " with fixed cross beam 13, when unsteady crossbeam 12 dorsad fixed cross beam move 13 time, sieve plate 4 is tightened up, in the time that unsteady crossbeam 12 moves towards fixed cross beam 13, sieve plate 4 is relaxed, material on sieve plate 4 produces " trampoline effect ", raw coal is effectively upspring and dispersed, by material dispersion, enter to sieve material coarse granule material and fine granular materials generation layering under tension and relaxation motion, fine granular materials is easy to sieve near compass screen surface.
Claims (6)
1. one kind without girder banana flip flop screen, comprise sieve nest, sieve nest surface design is multi-angle fold-line-shaped, it is characterized in that: sieve nest comprises main screen frame (1), screen frame and sieve plate (4) float, main screen frame (1) is connected by sieve plate (4) and elastic parts with unsteady screen frame, main screen frame (1) comprises left plate, right plate and be connected to the fixed cross beam (13) between biside plate bottom, left plate, box vibrator (3) is fixed respectively on right plate top, the box vibrators in both sides (3) connect by jackshaft (2), wherein box vibrator (3) connecting drive device.
2. according to claim 1 without girder banana flip flop screen, it is characterized in that: described unsteady screen frame comprises equalizer bar (7), crossbeam (12) floats, equalizer bar (7) is longitudinally arranged along main screen frame (1) side plate, and be connected with side plate by resonant springs (11), between both sides equalizer bar (7), connect the crossbeam (12) that floats, unsteady crossbeam (12) and fixed cross beam (13) successively interval layout, sieve plate (4) is connected between unsteady crossbeam (12) and fixed cross beam (13).
3. according to claim 2 without girder banana flip flop screen, it is characterized in that: on described fixed cross beam (13) and unsteady crossbeam (12), be fixedly connected with piece (5), contiguous block (5) is provided with catching groove, corresponding sieve plate (4) both sides are provided with sieve plate leg, sieve plate leg snaps in catching groove, and a wedge-shaped bar (6) is inserted in the catching groove gap between adjacent two sieve plate legs.
According to described in claim 1,2 or 3 without girder banana flip flop screen, it is characterized in that: the sieve nest surface that described sieve plate (4) forms is that 4～7 angle broken lines design by feeding end to discharge end, and its discharge end is tending towards level.
5. according to claim 1 without girder banana flip flop screen, it is characterized in that: described box vibrator (3) comprises two groups of eccentric rotor assemblies, eccentric rotor assembly is made up of rotating shaft and the fanning strip (14) that is fixed on rotating shaft two ends, two fanning strips (14) of same eccentric rotor assembly lay respectively at the left and right sides of main screen frame (1) side plate, and two shaft lengths do not wait and pass through synchromesh gear (15) and engage.
6. according to claim 1 without girder banana flip flop screen, it is characterized in that: described sieve nest outside is supported by support (8), and damping spring (10) is installed between sieve nest and support (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320871062.0U CN203648837U (en) | 2013-12-20 | 2013-12-20 | Girder-free banana relaxation sieve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320871062.0U CN203648837U (en) | 2013-12-20 | 2013-12-20 | Girder-free banana relaxation sieve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203648837U true CN203648837U (en) | 2014-06-18 |
Family
ID=50915277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320871062.0U Withdrawn - After Issue CN203648837U (en) | 2013-12-20 | 2013-12-20 | Girder-free banana relaxation sieve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203648837U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103658022A (en) * | 2013-12-20 | 2014-03-26 | 伯特利（天津）工业设备有限公司 | Banana tension and relaxation screen without girder |
| CN108906602A (en) * | 2018-09-12 | 2018-11-30 | 天地（唐山）矿业科技有限公司 | A kind of double-layer banana type vibration flip flop screen |
| CN109201475A (en) * | 2017-07-07 | 2019-01-15 | 中粮工程装备（张家口）有限公司 | Vibrating motor mounting structure, vibrating motor component and wheat flour purifier |
| CN114392912A (en) * | 2021-12-01 | 2022-04-26 | 唐山陆凯科技有限公司 | Banana sieve plate, banana sieve net cage and banana sieve |
-
2013
- 2013-12-20 CN CN201320871062.0U patent/CN203648837U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103658022A (en) * | 2013-12-20 | 2014-03-26 | 伯特利（天津）工业设备有限公司 | Banana tension and relaxation screen without girder |
| CN103658022B (en) * | 2013-12-20 | 2016-01-27 | 伯特利（天津）工业设备有限公司 | Without girder banana flip flop screen |
| CN109201475A (en) * | 2017-07-07 | 2019-01-15 | 中粮工程装备（张家口）有限公司 | Vibrating motor mounting structure, vibrating motor component and wheat flour purifier |
| CN109201475B (en) * | 2017-07-07 | 2023-10-03 | 中粮工程装备（张家口）有限公司 | Vibrating motor mounting structure, vibrating motor assembly and powder cleaning machine |
| CN108906602A (en) * | 2018-09-12 | 2018-11-30 | 天地（唐山）矿业科技有限公司 | A kind of double-layer banana type vibration flip flop screen |
| CN114392912A (en) * | 2021-12-01 | 2022-04-26 | 唐山陆凯科技有限公司 | Banana sieve plate, banana sieve net cage and banana sieve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103658022B (en) | Without girder banana flip flop screen | |
| CN203044328U (en) | Flip-flop screen | |
| CN104624488B (en) | Straight line flip flop screen | |
| CN203648837U (en) | Girder-free banana relaxation sieve | |
| CN106423834A (en) | Statically indeterminate modular main beam amplitude adjustable low-frequency vibration tension and relaxation screen | |
| CN109622359B (en) | Double-motor driven near-resonance nonlinear vibration relaxation sieve | |
| CN201183045Y (en) | Stack high-frequency vibration undersize sieve | |
| CN201431961Y (en) | Variable-elliptic-orbit equal-thickness vibrating screen | |
| CN201815474U (en) | High-efficiency high-frequency vibratory screen | |
| CN201431962Y (en) | Electromagnetic high-frequency vibration mesh screen | |
| CN104624485B (en) | It is quick to remove bulk materials oscillatory type flip flop screen | |
| CN109225827A (en) | A kind of multiaxis driving forced vibration flip flop screen | |
| CN202877099U (en) | Single vibration source resonance type composite vibrating screen | |
| CN201711281U (en) | High-frequency oval fine vibrating screen | |
| CN103658025B (en) | Compound flip flop screen | |
| CN201711282U (en) | High-frequency three-shaft elliptical vibrating fine screen | |
| CN206746989U (en) | A kind of Double shaft self synchronous elliptically vibrating screen | |
| CN203030511U (en) | Linear vibration single-layer banana flip-flow screen | |
| CN200984554Y (en) | Eccentric block exciter type complex-frequency vibrating screen | |
| CN202199499U (en) | Vibrating screen with floating screen surface | |
| CN103286065B (en) | Large scatter radius vibratory sieve | |
| CN201871481U (en) | Multilayer high-frequency vibrating fine screen | |
| CN202803575U (en) | Hydraulic high-frequency vibration sieve | |
| CN203862541U (en) | Flip-flow screen | |
| CN201807528U (en) | Vibrating screen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140618 Effective date of abandoning: 20160127 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |