CN202498023U - Translation elliptical vibrating screen - Google Patents

Translation elliptical vibrating screen Download PDF

Info

Publication number
CN202498023U
CN202498023U CN2012201010990U CN201220101099U CN202498023U CN 202498023 U CN202498023 U CN 202498023U CN 2012201010990 U CN2012201010990 U CN 2012201010990U CN 201220101099 U CN201220101099 U CN 201220101099U CN 202498023 U CN202498023 U CN 202498023U
Authority
CN
China
Prior art keywords
vibrating motor
screen
screen box
vibrating
eccentricity
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.)
Active
Application number
CN2012201010990U
Other languages
Chinese (zh)
Inventor
姬玉安
Original Assignee
姬玉安
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 姬玉安 filed Critical 姬玉安
Priority to CN2012201010990U priority Critical patent/CN202498023U/en
Application granted granted Critical
Publication of CN202498023U publication Critical patent/CN202498023U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a translation elliptical vibrating screen which comprises a screening box which is supported on an engine base through an elastic supporting seat, wherein an oscillator is arranged on the screening box, and when the oscillator is started, the screening box is driven by the oscillator to vibrate and generate elliptical vibrating tracks which are the same at all positions in a vertical plane; the elastic supporting seat of the screening box, which is positioned at the side of a feed inlet, is provided with an angle adjustment device used for adjusting and changing the inclination angle of a bottom plate of the screening box to ensure that the end part of the bottom plate, which is positioned at the side of the feed inlet, is higher or lower than the end part positioned at the side of a discharge hole; and the angle adjustment deice can be used for adjusting the inclination angle of the bottom plate of the screening box, and because the angle adjustment deice is away from the discharge hole, dust and impurities at the working position of the angle adjustment deice are fewer, so that the visibility of operating personnel is higher, an adjustment process of the operating personnel is safer, and the fewer dust of the working position is beneficial to the health of the operating personnel.

Description

A kind of balanced elliptical shale shaker
Technical field
The utility model relates to the vibratory sieve technical field, particularly relates to a kind of balanced elliptical shale shaker.
Background technology
Vibratory sieve utilizes the oscillator exciting to produce vibration and drives screen box vibrosieve material, and vibratory sieve is fit to the screening of difficult screened material, is the main plant equipment of handling difficult screened material at present.Vibratory sieve mainly is divided into circular shale shaker and linear vibrating screen.
Vibratory sieve has the screen box that the bottom surface is screen cloth or sieve plate, and during the screen box vibration, the material in the screen box is along with the vibration of screen box is thrown, and when material fell, small particles material was screened through screen cloth or sieve plate.Screen box has feeding mouth and discharging opening; The material that need be screened gets into said screen box with certain speed from said feeding mouth; Move to the discharging opening direction simultaneously in the process that material is thrown; Through throwing several times, screen the remaining large granular materials that can not pass through said screen cloth or sieve plate gradually near discharging opening, leave said screen box from said discharging opening at last.
Circular shale shaker has the acceleration of a rotation; The oversize material is prone to disperse; Stifled sieve phenomenon to critical particle on the screen cloth has stronger unfreezing ability, makes to block the critical solid phase particles that shines net or sieve plate eyelet and tremble up or fall down, and the possibility of stopping up sieve aperture is less.The mass transport speed of circular shale shaker is lower, and the solid phase particles rebound on its screen cloth is serious, has strengthened the wearing and tearing to screen cloth or sieve plate, and the service life of screen cloth or sieve plate is lower.
The screen cloth of linear vibrating screen or sieve plate horizontal arrangement, vibration vector have only a direction, compare with circle vibration shape sieve to have higher transporting velocity, the wearing and tearing that can alleviate screen cloth or sieve plate.But there is the dead band in its exciting force, is easy to stifled sieve.
Therefore, how can overcome the defective that circular shale shaker and linear vibrating screen exist simultaneously, and the operating efficiency that improves vibratory sieve is that those skilled in the art are badly in need of the technical problem that solves at present.
The utility model content
The purpose of the utility model provides a kind of balanced elliptical shale shaker; This balanced elliptical shale shaker has overcome the defective of circular shale shaker and linear vibrating screen existence; And have the advantage of circular shale shaker and linear vibrating screen simultaneously, and can improve the operating efficiency of vibratory sieve.
In order to reach above-mentioned technical purpose, the utility model provides a kind of balanced elliptical shale shaker, comprises oscillator, screen box and support; Said screen box has feeding mouth and discharging opening, and said screen box is supported on the said support through elastic support; Said oscillator is installed on the said screen box; Said oscillator drives said screen box vibration and in perpendicular, produces identical oval-shaped oscillation trajectory everywhere when opening; The said elastic support that said screen box is positioned at said feeding mouth one side is provided with angular adjustment apparatus; Said angular adjustment apparatus adjustment changes the inclination angle of said screen box base plate, and the end that makes said base plate be positioned at said feeding mouth one side is higher or lower than the end that is positioned at said discharging opening one side.
Preferably, said angular adjustment apparatus is a telescoping cylinder, and said telescoping cylinder supports said elastic support.
Preferably, said angular adjustment apparatus for the combination worm and gear device and screw mechanism, said worm and gear device and said screw mechanism the two one of be connected said elastic support, another person connects said screen box.
Preferably, said angular adjustment apparatus for the combination leading screw, screw and locking nut, said leading screw and said screw the two one of be connected said elastic support, another person connects said screen box, said locking nut is locked said leading screw in the precalculated position.
Preferably; Said oscillator comprises first group of vibrating motor and second group of vibrating motor; The eccentricity of said first group of vibrating motor greater than and be not equal to the eccentricity of said second group of vibrating motor, the distance of said first group of vibrating motor and said feeding mouth is shorter than the distance of said second group of vibrating motor and said feeding mouth.
Preferably, the ratio of the eccentricity of the eccentricity of said first group of vibrating motor and said second group of vibrating motor is less than or equal to 1.9.
Preferably, the ratio of the eccentricity of the eccentricity of said first group of vibrating motor and said second group of vibrating motor is more than or equal to 1.3.
Preferably, said first group of vibrating motor and said second group of vibrating motor include at least one vibrating motor, and vibrating motor on the same group is coaxial and eccentricity is identical.
Preferably, said screen box has crossbeam, and said vibrating motor is fixedly mounted on the crossbeam of said screen box.
Preferably, on the same group said vibrating motor is fixedly mounted on respectively on two side plates of said screen box.
The screen box of the balanced elliptical shale shaker that the utility model provides is supported on the support through elastic support; Oscillator is installed on the said screen box, and said oscillator drives said screen box vibration and in perpendicular, produces identical oval-shaped oscillation trajectory everywhere when opening; The said elastic support that said screen box is positioned at said feeding mouth one side is provided with angular adjustment apparatus; Said angular adjustment apparatus adjustment changes the inclination angle of said screen box base plate, and the end that makes said base plate be positioned at said feeding mouth one side is higher or lower than the end that is positioned at said discharging opening one side.
The base plate of the major axis of elliptic vibration track and minor axis and said screen box has a certain degree; When the base plate of said screen box tilts; The angle of said long axis of ellipse and minor axis and said base plate is constant, has changed the angle of said major axis and minor axis and horizontal plane and vertical plane, has also changed the angle of whereabouts material and gravity direction simultaneously; Improved the output and the screening efficiency of vibratory sieve, the balanced elliptical shale shaker of this structure has the advantage of circular shale shaker and linear vibrating screen simultaneously.
The working environment of vibratory sieve discharging opening is more abominable, and especially when the screening siccative, dust impurity is more.If said angular adjustment apparatus is positioned on the elastic support of discharging opening one side; Then in the vibratory sieve course of work, like the inclination angle of need adjustment compass screen surface, more dust will influence operating personnel's sight line; Vibratory sieve also is in vibrational state simultaneously, is easy to make operating personnel injured; The environment that dust is many simultaneously also can have influence on operating personnel's health.
The feeding mouth of vibratory sieve is positioned at a side of screen box top board, and said discharging opening is positioned at the bottom of screen box opposite side.Said angular adjustment apparatus is arranged on the elastic support of feeding mouth one side; The distance of said angular adjustment apparatus and said discharging opening is far away, and the dust and the impurity of the operating position of said angular adjustment apparatus are less, and operating personnel's visibility is higher; Operating personnel's adjustment process is safer; The dust of operating position is less, also is of value to operating personnel's health, and can improve the service life of angular adjustment apparatus.
Further in the mode, said angular adjustment apparatus can be telescoping cylinder, and said telescoping cylinder supports said elastic support; Said angular adjustment apparatus can be the worm and gear device and the screw mechanism of combination, and said screw mechanism supports said elastic support; Said angular adjustment apparatus can also be leading screw, screw and the locking nut of combination, and said leading screw supports said elastic support.
The end that angular adjustment apparatus can make said screen box base plate be positioned at feeding mouth one side raises, and this heeling condition helps vibratory sieve and improves output; The end that angular adjustment apparatus can also make said screen box base plate be positioned at feeding mouth one side reduces, and this heeling condition helps vibratory sieve and improves screening efficiency.
In a kind of preferred mode; Said oscillator comprises two groups of vibrating motors; The eccentricity of first group of vibrating motor greater than and be not equal to the eccentricity of second group of vibrating motor, the distance of said first group of vibrating motor and said feeding mouth is shorter than the distance of said second group of vibrating motor and said feeding mouth.
Eccentricity equals eccentric mass and multiply by eccentric arm, and when the eccentricity of two groups of vibrating motors was above-mentioned relation, said oscillator can obtain oval-shaped oscillation trajectory.Through adjusting the relative altitude of two groups of vibrating motors, can change the angle of transverse and minor axis and screen box base plate; Also enough change the angle of transverse and minor axis and screen box base plate through the relation of adjusting two groups of vibrating motor eccentricities, meanwhile, can also change the length relation of transverse and minor axis.
Description of drawings
Fig. 1 is the vertical view of a kind of specific embodiment of balanced elliptical shale shaker that the utility model provided;
Fig. 2 is the structural representation of balanced elliptical shale shaker shown in Figure 1;
Fig. 3 is the structural representation of second kind of specific embodiment of balanced elliptical shale shaker that the utility model provided;
Fig. 4 is the structural representation of the third specific embodiment of balanced elliptical shale shaker that the utility model provided;
Fig. 5 is the vertical view of the 4th kind of specific embodiment of balanced elliptical shale shaker that the utility model provided;
Fig. 6 is the structural representation of balanced elliptical shale shaker shown in Figure 5;
Fig. 7 is the vertical view of the 5th kind of specific embodiment of balanced elliptical shale shaker that the utility model provided;
Fig. 8 is the vertical view of the 6th kind of specific embodiment of balanced elliptical shale shaker that the utility model provided;
Fig. 9 is the vertical view of the 7th kind of specific embodiment of balanced elliptical shale shaker that the utility model provided;
Figure 10 is the structural representation of balanced elliptical shale shaker shown in Figure 9.
The specific embodiment
The core of the utility model provides a kind of balanced elliptical shale shaker, and this balanced elliptical shale shaker has overcome the defective of circular shale shaker and linear vibrating screen existence, and has the advantage of circular shale shaker and linear vibrating screen simultaneously, and can improve the operating efficiency of vibratory sieve.
In order to make those skilled in the art person understand the utility model scheme better, the utility model is done further to specify below in conjunction with the accompanying drawing and the specific embodiment.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is the vertical view of a kind of specific embodiment of balanced elliptical shale shaker that the utility model provided, and Fig. 2 is the structural representation of balanced elliptical shale shaker shown in Figure 1.
In a kind of concrete embodiment, the utility model provides a kind of balanced elliptical shale shaker, comprises oscillator 1, screen box 2 and support 3; Said screen box 2 has feeding mouth 21 and discharging opening 22, and said screen box 2 is supported on the said support 3 through elastic support 4; Said oscillator 1 is installed on the said screen box 2; Said oscillator 1 drives said screen box 2 vibrations and in perpendicular, produces identical oval-shaped oscillation trajectory everywhere when opening; The said elastic support 4 that said screen box 2 is positioned at said feeding mouth 21 1 sides is provided with angular adjustment apparatus 5; The inclination angle of said screen box 2 base plates 23 of said angular adjustment apparatus 5 adjustment the change, the end that makes said base plate 23 be positioned at said feeding mouth 21 1 sides is higher or lower than the end that is positioned at said discharging opening 22 1 sides.
Elliptically vibrating screen vibrates under the drive of oscillator 1, and its oscillation trajectory was ellipse when its centre of force overlapped with screen box 2 barycenter in perpendicular, when said screen box 2 vibrates; Material in it is along with the vibration of said screen box 2 is thrown; Drop on screen cloth or the sieve plate of screen box 2 bottoms and gradually near discharging opening 22, said screen cloth or sieve plate screen said material, through throwing several times; Garbled material leaves said screen box 2 from discharging opening 22, can not be detained on the base plate of screen box 2.
The base plate 23 of the major axis of elliptic vibration track and minor axis and said screen box 2 has a certain degree; When the base plate 23 of said screen box 2 tilts; The angle of said long axis of ellipse and minor axis and said base plate 23 is constant; Change the angle of major axis and minor axis and horizontal plane and vertical plane, also changed the angle of whereabouts material and gravity direction simultaneously, optimized the screening parameter; The inclination angle of said major axis has also changed the horizontal acceleration component and the vertical acceleration component of said material when changing, make can improve output as required or improve screening efficiency.Therefore, the elliptically vibrating screen of this structure has the advantage of circular shale shaker and linear vibrating screen simultaneously, but also has higher operating efficiency.
The working environment of vibratory sieve discharging opening is more abominable, and especially when the screening siccative, dust impurity is more.If said angular adjustment apparatus 5 is positioned on the elastic support 4 of discharging opening 22 1 sides, angular adjustment apparatus 5 is in the environment of many dust, and can be affected service life; In the vibratory sieve course of work, like the inclination angle of need adjustment compass screen surface, more dust will influence operating personnel's sight line, and vibratory sieve also is in vibrational state simultaneously, is easy to make operating personnel injured; The environment that dust is many simultaneously also can have influence on operating personnel's health.
The feeding mouth 21 of vibratory sieve is positioned at a side of screen box 2 crossbeams 24, and said discharging opening 22 is positioned at the bottom of screen box 2 opposite sides.Said angular adjustment apparatus 5 is arranged on the elastic support 4 of feeding mouth 21 1 sides; Said angular adjustment apparatus 5 is far away with the distance of said discharging opening 22; The dust and the impurity of the operating position of said angular adjustment apparatus 5 are less, and the improvement of working environment also helps to improve the service life of this mechanism; Operating personnel's visibility is higher, and operating personnel's adjustment process is safer, and the dust of operating position is less, also is of value to operating personnel's health.
Further in the embodiment, said angular adjustment apparatus 5 is a telescoping cylinder 51, and said telescoping cylinder 51 supports said elastic support 4.
Can angular adjustment apparatus 5 be set to telescoping cylinder 51, said telescoping cylinder 51 directly or indirectly supports said elastic support 4, and the said telescoping cylinder 51 of adjustment elongates or shortens before the vibratory sieve work, makes said screen box 2 inclinations and keeps heeling condition.Said telescoping cylinder 51 can be electronic cylinder, hydraulic cylinder or cylinder.
The end that angular adjustment apparatus 5 can make said screen box 2 base plates 23 be positioned at feeding mouth 21 1 sides raises, and this heeling condition helps vibratory sieve and improves output; The end that angular adjustment apparatus 5 can also make said screen box 2 base plates 23 be positioned at feeding mouth 21 1 sides reduces, and this heeling condition helps vibratory sieve and improves screening efficiency.
Please refer to Fig. 3, Fig. 3 is the structural representation of second kind of specific embodiment of balanced elliptical shale shaker that the utility model provided.
In the another kind of embodiment, said angular adjustment apparatus 5 is the worm and gear device 52 and screw mechanism 53 of combination, said worm and gear device 52 and said screw mechanism 53 the two one of be connected said elastic support 4, another person connects said screen box 2.
When worm and gear device 52 made up relative motions with screw mechanism 53, worm screw was rotated and drives the worm gear rotation, and worm gear has internal thread, and its internal thread and screw mechanism mesh relative motion during the worm gear rotation.Said screw mechanism 53 is set to vertical direction, and screw mechanism 53 rises said screen box 2 feeding mouths 21 1 sides or reduction moving of vertical direction, makes said screen box 2 be in heeling condition.
The lead angle of screw mechanism 53 be less than can self-locking angle, the worm screw lead angle also be less than can self-locking lead angle so that entire mechanism can be in good self-locking state after having adjusted angle.Said angular adjustment apparatus 5 can by motor, hydraulic motor, manually or other devices that can drive the worm screw rotation drive.
Screw mechanism 53 is done in the straight-line process; Trend around the axis rotation of self is arranged simultaneously; Only transmit structure that rectilinear motion do not transmit rotation such as feather key on said screw mechanism 53, to be provided with one; Also can spline be set in screw mechanism 53 bottoms, only the rectilinear motion with said screw mechanism 53 passes to screen box 2.This programme can be when the extremely frigid zones hydraulic system be unreliable the replacement liquid pressing system.
Please refer to Fig. 4, Fig. 4 is the structural representation of the third specific embodiment of balanced elliptical shale shaker that the utility model provided.
In the another kind of further embodiment; Said angular adjustment apparatus 5 is leading screw 54, screw 56 and the locking nut 55 of combination; Said leading screw 54 and said screw 56 the two one of be connected said elastic support 4; Another person connects said screen box 2, and said locking nut 55 is locked said leading screw 54 in the precalculated position.
Leading screw 54 cooperates and can convert rotation into translation with screw 56, utilizes the go up and down base plate 23 of feeding mouth 21 1 sides of said screen box 2 of the rectilinear motion of leading screw 54.This scheme is mainly used in hypomegetic vibratory sieve.
Please refer to Fig. 5 to Fig. 7; Fig. 5 is the vertical view of the 4th kind of specific embodiment of balanced elliptical shale shaker that the utility model provided; Fig. 6 is the structural representation of balanced elliptical shale shaker shown in Figure 5, and Fig. 7 is the vertical view of the 5th kind of specific embodiment of balanced elliptical shale shaker that the utility model provided.
Certainly, said angular adjustment apparatus 5 not only is confined to the situation shown in the foregoing description, can realize also can the base on practicality angular adjustment apparatus 5 of utility model of other mechanisms that screen box 2 feeding mouths 21 1 ends go up and down, gear that for example is meshed and tooth bar.
For example adopt a lowering or hoisting gear, a bottom girder 26, bottom girder 26 support elastic bearings 4 are installed on lowering or hoisting gear.Can also adopt angle adjustment framework 27, said angle adjustment framework 27 is connected with support 3 usefulness hinges, said angle adjustment framework 27 support elastic bearings 4.
In a kind of preferred mode; Said oscillator 1 comprises first group of vibrating motor 11 and second group of vibrating motor 12; The eccentricity of said first group of vibrating motor 11 greater than and be not equal to the eccentricity of said second group of vibrating motor 12, the distance of said first group of vibrating motor 11 and said feeding mouth 21 is shorter than the distance of said second group of vibrating motor 12 and said feeding mouth 21.
Eccentricity equals eccentric mass and multiply by eccentric arm, and when the eccentricity of two groups of vibrating motors was above-mentioned relation, said oscillator 1 can obtain oval-shaped oscillation trajectory.
In the above-described embodiments, two groups of vibrating motor axial connecting lines are parallel to the base plate 23 of screen box 2, and the angle of transverse and minor axis and screen box 2 base plates 23 is essentially the angle of transverse and minor axis and two groups of vibrating motor axial connecting lines.
Also can change the angle of transverse and minor axis and two groups of vibrating motor axial connecting lines through the relation of adjusting two groups of vibrating motor eccentricities, meanwhile, also change the length relation of transverse and minor axis.
When adjusting the relative altitude of two groups of vibrating motors; The angle of two groups of vibrating motor axial connecting lines and screen box 2 base plates 23 changes; The angle of transverse and minor axis and two groups of vibrating motor axial connecting lines is constant, has then changed the angle of transverse and minor axis and screen box 2 base plates 23.
Circular shale shaker and linear vibrating screen are the special circumstances of elliptically vibrating screen, and the track of circular shale shaker is the transverse ellipse identical with minor axis, and the track of linear vibrating screen is that ellipse short shaft is 0, and major axis is the ellipse of a fixed value.
In the further preferred mode, the ratio of the eccentricity of the eccentricity of said first group of vibrating motor 11 and said second group of vibrating motor 12 is less than or equal to 1.9.
The exciting force of first group of vibrating motor 11 and second group of vibrating motor 12 generation is synthetic; Produce oval-shaped track; According to the equation of locus of ellipse, the ratio that can draw long axis of ellipse and minor axis equals two groups of vibrating motor eccentricities and poor than last eccentricity; When the eccentricity of first group of vibrating motor 11 was less than or equal to 1.9 than the eccentricity of last second group of vibrating motor 12, the ratio of the major axis of elliptical orbit and minor axis was greater than 3.2, and the angle of transverse and screen box 2 base plates 23 is greater than 45 degree.
Further preferred embodiment in, the ratio of the eccentricity of the eccentricity of said first group of vibrating motor 11 and said second group of vibrating motor 12 is more than or equal to 1.3.
The ratio of the eccentricity of two groups of vibrating motors is more than or equal to 1.3 o'clock, and the ratio of the major axis of elliptical orbit and minor axis is less than 7.7, and the angle of transverse and screen box 2 base plates 23 is less than 70 degree.
The ratio of the eccentricity of two groups of vibrating motors is positioned at [1.3; 1.9] interval range in the time, the ratio of oval vibration shape major axis and minor axis is positioned in [3.2,7.7] interval range; The angle of transverse and minor axis and two groups of vibrating motor axial connecting lines is positioned in [45 °, 70 °] interval range.
The ratio of two groups of vibrating motor eccentricities and the relation between the elliptical orbit all are to realize through the forced synchronism to two groups of vibrating motors in the prior art.The utility model is on two groups of self synchronous bases of vibrating motor, and the ratio of the eccentricity through adjusting two groups of vibrating motors changes balanced elliptical shale shaker the shake major axis of elliptical orbit and the angle of two groups of vibrating motor axial connecting lines, utilizes above-mentioned interval relation; Can omit forced synchronization device; Simplify the structure of vibratory sieve, reduced manufacturing cost and use cost, adjusted elliptical orbit; Optimize the screening parameter, can obtain best screening effect.
The method that changes the ratio of two groups of vibrating motor eccentricities is to realize through the angle between every group of eccentric block of adjustment vibrating motor; The relation of the eccentricity of two groups of vibrating motors be can change, thereby the major axis of the required oval vibration shape and the angle of two groups of vibrating motor axial connecting lines obtained.
Cooperate different materials can select the ratio of different transverse and minor axis, and then, make vibratory sieve can adapt to different materials more through the method adjustment transverse of two groups of vibrating motor relative altitudes of adjustment and the angle of compass screen surface 23.Enlarged the range of application of motor synchronizing balanced elliptical shale shaker.
The material that powder that granularity is thinner and proportion are bigger should be selected less projection angles for use; At this moment, if material does not belong to difficult screened material, can select the ratio of transverse and minor axis to be positioned at [4; 7.7] in the interval; Transverse and the bigger vibratory sieve of minor axis odds ratio can be adjusted to suitable size with the angle of transverse and compass screen surface 23 through the method for above-mentioned adjustment angle, can productivity gain.
The material that powder that granularity is thinner and proportion are bigger should be selected less projection angles for use; At this moment, if material belongs to difficult screened material, can select the ratio of transverse and minor axis to be positioned at [3.2; 4] in the interval; The elliptical orbit of this vibratory sieve relatively helps unfreezing, cooperates above-mentioned angle adjusting method, can obtain all optimum effect of output, screening efficiency and unfreezing.
Moisture should be selected bigger projection angles for use than big or the stronger material of viscosity; If the material of this moment belongs to difficult screened material; Then need reduce the ratio of transverse and minor axis; The above-mentioned angle adjusting method of same application can be so that the screening of this difficult screened material obtains good screening effect when using self-synchronizing elliptical vibrating screen.
The oval vibration shape that realizes through forced synchronism at present makes the range of application of elliptically vibrating screen be restricted.Adopt the ratio of the eccentricity of adjustment two vibrating motors to adjust the transverse and the method for two groups of vibrating motor axial connecting line angles that needs in the utility model, two groups of vibrating motors are realized forming the required transverse of acquisition and the angle of two groups of vibrating motor axial connecting lines after the motor synchronizings.Adopt this kind method, make the adjustment of elliptical orbit become simple, practical, enlarged the ratio range of transverse and minor axis simultaneously, also enlarged the scope of application of balanced elliptical shale shaker.
Circular shale shaker is that the ratio of first group of vibrating motor and second group of vibrating motor is a kind of special circumstances of 0 o'clock.When the ratio of two vibrating motors is adjusted in zero the process of leveling off to by 1, the angle of the line in the major axis of elliptical orbit and two vibrating motor axle center reduces gradually; Through the ratio of adjusting two vibrating motor eccentricities its angle is reached below 40 degree in test.Angle is continuous from the adjustment of 90 degree to 40 degree; When the ratio of the eccentricity of the eccentricity of said first group of vibrating motor 11 and said second group of vibrating motor 12 greater than 1.3 and less than 1.9 the time, the angle of the line in transverse and two vibrating motor axle center is greater than 45 degree and less than 70 degree.
The angle of transverse and compass screen surface is a projection angles, when said projection angles is spent greater than 45 degree and less than 70, can increase the vertical component in the material throwing process, obtains better screening efficiency.Cooperate the adjustment of transverse and minor axis ratio can reach best screening effect again.
The major axis of elliptical orbit compares greater than 3.2 and less than 7.7 o'clock with the length of minor axis; Increased that material is parallel to the component of acceleration of compass screen surface and perpendicular to the compass screen surface component of acceleration; Optimized the oval vibration shape, playing has not only increased output but also has not reduced screening effect and the effect with use cost of accomplishing to reduce production costs.
Because the existence of test error; When the ratio of two vibrating motor eccentricities of oscillator 1 is certain certain value; It is in the interval at center that the angle of the corresponding transverse and ratio, transverse and the screen box base plate of minor axis all falls into certain certain value; So the concrete numerical value of mentioning in the foregoing also can be the some little interval that comprises this numerical value.The vibrator that oscillator 1 can also adopt two exciting forces not wait, the relation of two said exciting force of exciter is identical with the relation of above-mentioned two vibrating motor eccentricities.
In a kind of concrete embodiment, said first group of vibrating motor 11 includes at least one vibrating motor with said second group of vibrating motor 12, and vibrating motor on the same group is coaxial and eccentricity is identical.
Vibrating motor in the vibrating motor can have identical eccentric mass and eccentric arm on the same group, and then its eccentricity is identical; Also can eccentric mass different with eccentric arm, but eccentric mass is identical with the product eccentricity of eccentric arm.
Please refer to Fig. 8, Fig. 8 is the vertical view of the 6th kind of specific embodiment of balanced elliptical shale shaker that the utility model provided.
Further in the embodiment, said screen box 2 has crossbeam 24, and said vibrating motor is fixedly mounted on the crossbeam 24 of said screen box 2.
The motor of oscillator 1 can adopt major axis vibrating motor or minor axis vibrating motor.When adopting the major axis vibrating motor, if screen box 2 width are fit to, can vibrating motor directly be installed on the screen box 2, can not use crossbeam 24.If the length that screen box 2 width are longer than vibrating motor can be installed in vibrating motor on the crossbeam 24 of screen box 2; When adopting the minor axis vibrating motor, can adopt and major axis vibrating motor similar mounting means on crossbeam 24.
Please refer to Fig. 9 and Figure 10, Fig. 9 is the vertical view of the 7th kind of specific embodiment of balanced elliptical shale shaker that the utility model provided, and Figure 10 is the structural representation of balanced elliptical shale shaker shown in Figure 9.
In the another kind of further embodiment, said vibrating motor on the same group is fixedly mounted on two side plates 25 of said screen box 2 respectively.
The motor of oscillator 1 can also adopt the vibrating motor of flange type of attachment.When adopting the vibrating motor of flange type of attachment, can be installed in the side plate 25 of screen box 2, the position that the motor in every group of vibrating motor is installed on 2 two relative side plates 25 of screen box is coaxial, and vibrating motor will couple together with axis on the same group.
Obviously, the motor of oscillator 1 not only is confined to the described situation of the foregoing description, can realize that other motors of oscillator 1 ovalize track concussion also can be used in the utility model.
More than the elliptically vibrating screen that the utility model provided has been carried out detailed introduction.Used concrete example among this paper the principle and the embodiment of the utility model are set forth, the explanation of above embodiment just is used to help to understand the method and the core concept thereof of the utility model.Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.

Claims (10)

1. a balanced elliptical shale shaker comprises oscillator (1), screen box (2) and support (3); Said screen box (2) has feeding mouth (21) and discharging opening (22), and said screen box (2) is supported on the said support (3) through elastic support (4); Said oscillator (1) is installed on the said screen box (2); Said oscillator (1) drives said screen box (2) vibration and in perpendicular, produces identical oval-shaped oscillation trajectory everywhere when opening; It is characterized in that; The said elastic support (4) that said screen box (2) is positioned at said feeding mouth (21) one sides is provided with angular adjustment apparatus (5); Said angular adjustment apparatus (5) adjustment changes the inclination angle of said screen box (2) base plate (23), and the end that makes said base plate (23) be positioned at said feeding mouth (21) one sides is higher or lower than the end that is positioned at said discharging opening (22) one sides.
2. elliptically vibrating screen as claimed in claim 1 is characterized in that, said angular adjustment apparatus (5) is telescoping cylinder (51), and said telescoping cylinder (51) supports said elastic support (4).
3. elliptically vibrating screen as claimed in claim 1; It is characterized in that; Said angular adjustment apparatus (5) is the worm and gear device (52) and the screw mechanism (53) of combination; Said worm and gear device (52) and said screw mechanism (53) the two one of be connected said elastic support (4), another person connects said screen box (2).
4. elliptically vibrating screen as claimed in claim 1; It is characterized in that; Said angular adjustment apparatus (5) is leading screw (54), screw (56) and the locking nut (55) of combination; Said leading screw (54) and said screw (56) the two one of be connected said elastic support (4), another person connects said screen box (2), said locking nut (55) is locked said leading screw (54) in the precalculated position.
5. like each described elliptically vibrating screen of claim 1 to 4; It is characterized in that; Said oscillator (1) comprises first group of vibrating motor (11) and second group of vibrating motor (12); The eccentricity of said first group of vibrating motor (11) greater than and be not equal to the eccentricity of said second group of vibrating motor (12), the distance of said first group of vibrating motor (11) and said feeding mouth (21) is shorter than the distance of said second group of vibrating motor (12) and said feeding mouth (21).
6. elliptically vibrating screen as claimed in claim 5 is characterized in that, the ratio of the eccentricity of the eccentricity of said first group of vibrating motor (11) and said second group of vibrating motor (12) is less than or equal to 1.9.
7. elliptically vibrating screen as claimed in claim 6 is characterized in that, the ratio of the eccentricity of the eccentricity of said first group of vibrating motor (11) and said second group of vibrating motor (12) is more than or equal to 1.3.
8. elliptically vibrating screen as claimed in claim 7 is characterized in that, said first group of vibrating motor (11) and said second group of vibrating motor (12) include at least one vibrating motor, and vibrating motor on the same group is coaxial and eccentricity is identical.
9. elliptically vibrating screen as claimed in claim 8 is characterized in that, said screen box (2) has crossbeam (24), and said vibrating motor is fixedly mounted on the crossbeam (24) of said screen box (2).
10. elliptically vibrating screen as claimed in claim 8 is characterized in that, said vibrating motor on the same group is fixedly mounted on respectively on two side plates (25) of said screen box (2).
CN2012201010990U 2012-03-16 2012-03-16 Translation elliptical vibrating screen Active CN202498023U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012201010990U CN202498023U (en) 2012-03-16 2012-03-16 Translation elliptical vibrating screen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012201010990U CN202498023U (en) 2012-03-16 2012-03-16 Translation elliptical vibrating screen

Publications (1)

Publication Number Publication Date
CN202498023U true CN202498023U (en) 2012-10-24

Family

ID=47034651

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012201010990U Active CN202498023U (en) 2012-03-16 2012-03-16 Translation elliptical vibrating screen

Country Status (1)

Country Link
CN (1) CN202498023U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102601042A (en) * 2012-03-16 2012-07-25 姬玉安 Translational elliptical vibrating screen
CN104117485A (en) * 2014-08-15 2014-10-29 无锡华中科技有限公司 Vibrating screen angle adjustment device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102601042A (en) * 2012-03-16 2012-07-25 姬玉安 Translational elliptical vibrating screen
CN102601042B (en) * 2012-03-16 2015-04-08 姬玉安 Translational elliptical vibrating screen
CN104117485A (en) * 2014-08-15 2014-10-29 无锡华中科技有限公司 Vibrating screen angle adjustment device

Similar Documents

Publication Publication Date Title
CN102120214B (en) Three-degree-of-freedom series and parallel connection vibrating screen
CN103394461B (en) Series-parallel vibrating screen with five degrees of freedom
CN100525934C (en) Amplitude descending screening method and vibrating screen
US20130092607A1 (en) Method and device for screening materials, such as aggregates and/or soils
CN103752498A (en) Distributed driven type rocking sieve
CN202498023U (en) Translation elliptical vibrating screen
CN103008234B (en) Linear vibration screening machine
CN103658026A (en) Variable-freedom-degree parallel connection vibration sieve
CN102371246A (en) Vertical spiral vibrating screen
CN102601042A (en) Translational elliptical vibrating screen
CN103658025A (en) Composite tension and relaxation sieve
CN201862558U (en) Vibrating screen with elliptical locus
CN201503190U (en) Variable-frequency constant-amplitude vibrating fluidized bed
CN202962856U (en) Vibrating mechanism of vibrating screen
CN2741673Y (en) Multiple motor exciting vibration multiple vibration type self synchronous vibrative sieve
CN201799399U (en) Vertical spiral vibrating screen
CN203862541U (en) Flip-flow screen
CN209597640U (en) A kind of three layers of adjustable compound vibrating screen
CN206642988U (en) A kind of rotary-vibration sieve
CN207371831U (en) Vibrosieve system under a kind of tippler
CN110404766A (en) A kind of flexible horizontal vibration sieve
CN206153136U (en) Novel magnetism material vibrating screen machine
CN206613708U (en) A kind of automatic feeding type sand vibratory sieve for building
CN201711282U (en) High-frequency three-shaft elliptical vibrating fine screen
CN103909060A (en) Self-synchronizing translation elliptical vibrating screen with three shock excitation motors

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CB03 Change of inventor or designer information

Inventor after: Ji Yuyuan

Inventor after: Ji Yuan

Inventor before: Ji Yuan

CB03 Change of inventor or designer information
COR Change of bibliographic data

Free format text: CORRECT: INVENTOR; FROM: JI YUAN TO: JI YUYUAN JI YUAN

C53 Correction of patent for invention or patent application
CB03 Change of inventor or designer information

Inventor after: Ji Yuan

Inventor before: Ji Yuyuan

Inventor before: Ji Yuan