CN206746998U - A kind of double mass dither screening machine - Google Patents

Abstract

The utility model discloses a kind of double mass dither screening machine, including：Sieve hopper, elastic vibrating moving plate, frame, multiple elastic vibration support, at least two vibrating motors, it is characterized in that, the screening hopper is above frame, it is connected by elastic vibrating moving plate with frame, it is less than center section in the sieve plate two side portions of the screening hopper along feed direction, the elastic vibration support is symmetrically set in bottom of the frame, and the vibrating motor is symmetrically set in frame both sides.The utility model, which meets existing equipment, to be needed to carry out quick progress continuous high-efficient screening after sharing material equally, make the requirement that material is uniformly fed, the material bed of material is set quickly to draw thin loose dispersed, and the effect that can be only achieved can be applied in combination instead of existing two equipment, significantly reduce equipment energy consumption, screening efficiency is improved, has saved hall space.

Description

A kind of double mass dither screening machine

Technical field

The utility model belongs to tobacco manufacture field, specifically, is related to a kind of double mass dither screening machine.

Background technology

In the prior art, in tobacco business, vibrating screen classifier is commonly used logistics machinery, the sieve as material Divide, be classified, sharing equally, loose and transport is used.So-called common vibrating screen classifier, all using low frequency and the vibration mode of high amplitude Realize the processing of material, usual frequency is in 4.6Hz to 8Hz, and amplitude is between 10mm to 30mm scopes.In material traveling process Material loosening can be played a part of, be uniformly distributed and sieve in the direction of the width, this is also to vibrate one of class screening plant altogether Same advantage, and the vibrating screen classifier of the form is technically ripe, reliable, easily realization, therefore be used widely.But That another feature of common vibrating screen classifier is that transporting velocity is slower, thickness of feed layer is uneven discontinuous, and energy consumption compared with It is high.If run into need to realize material uniformly, continuous, high efficiency screening, the occasion quickly conveyed, it is necessary to be equipped with one again in addition High-speed belt conveyor, and there is require the problem of of a relatively high to belt conveyor quality and operation maintenance for high-speed belt conveyor.No Only various problems, while this common vibrating screen classifier adds the allocating method of high-speed belt conveyor as previously described, also there is set The problem of standby repetition configures, and the big cost of floor space is high.

Prior art discloses a kind of high frequency low amplitude vibrations conveyer, including：Frame, conveying cell body, resilient support, in Mesosome and high-frequency excitation motor, the resilient support has four, is separately positioned on four angles of the intermediate bottom, described Intermediate is connected by the resilient support with the frame, and the conveying cell body is arranged on above intermediate by reed, institute State high-frequency excitation motor and intermediate both sides are symmetrically fixed on by fixture.By above scheme material can be made to enter inclination After the conveying cell body of placement, produced under the forms of motion driving of high frequency short arc it is quick, uniform continuously travel forward, make The material bed of material gradually draws thin loose, and is gradually increased bed of material width to transverse direction (width) diffusion, has saved equipment manufacturing cost, Hall space and electric energy power consumption.

In view of this it is special to propose the utility model.

Utility model content

The technical problems to be solved in the utility model is overcome the deficiencies in the prior art, there is provided a kind of double mass high frequency vibrating Dynamic screening machine, the material bed of material can also be made thinner while realizing quick conveying, loose and being uniformly distributed adds effective sifting area Greatly so as to improving screening efficiency.

In order to solve the above technical problems, the utility model is using the basic conception of technical scheme：A kind of double mass high frequency Vibrating screen classifier, including：Hopper, elastic vibrating moving plate, frame, multiple elastic vibration support, at least two vibrating motors are sieved, its It is characterised by, the screening hopper is connected above frame by elastic vibrating moving plate with frame, described along feed direction The sieve plate two side portions of screening hopper are less than center section, and the elastic vibration support is symmetrically set in bottom of the frame, the vibration Motor is symmetrically set in frame both sides.

Further, the sieve plate of the screening hopper includes upper strata sieve plate and lower floor's sieve plate, can according to material size requirement Remove and install any one in the upper strata sieve plate and lower floor's sieve plate, or both combination be arranged on screening hopper in.

Further, in the upper strata sieve plate and lower floor's sieve plate it is at least one be two side portions be the plane that tilts down or The plank frame of cambered surface.

Further, aperture, the aperture chi wherein on the sieve plate of upper strata are respectively equipped with the upper strata sieve plate and lower floor's sieve plate The very little orifice size more than lower floor's sieve plate, various sizes of material can be fallen by aperture in material traveling process carries out material point Level.

Further, the frame includes side wall and bottom plate, and the elastic vibrating moving plate is connected with frame side wall, and bottom plate is not Become rusty steel material flat board, is detachably linked with frame side wall, and the material fallen out of screening hopper aperture is fallen on bottom plate to discharging Move in direction.

Further, the discharge end of framework soleplate is provided with feed leakage bucket, falls into material on framework soleplate and falls during traveling Enter feed leakage bucket to be collected.

Further, the elastic vibration support is connected with bottom of the frame, and elastic vibration support bottom is provided with bearing.

Further, the height of support adjustably supports the placement of screening machine keep level or feed end to be higher than discharge end Place.

Further, the vibrating motor is high-frequency excitation motor, is symmetrically set in frame both sides, vibrating motor rotating shaft axial direction With material conveying direction into 50 ° to 60 ° angles, and it is identical with elastic vibrating moving plate installation direction.

Further, the vibration frequency of the screening hopper is 12Hz-17Hz, and the amplitude of the screening hopper is 6mm- 15mm, the bottom plate amplitude in frame is 2mm-5mm.

After adopting the above technical scheme, the utility model has the advantages that compared with prior art.

The utility model can make material after slant setting or horizontal positioned screening hopper is entered, in exciting force and thing Under the force action for expecting gravity, cigarette material compass screen surface be tossed great-jump-forward it is quick, it is uniform continuously travel forward, while using sieving The two of plate are sloped downwardly structure, and the material bed of material is more preferably drawn thin loose, and to transverse direction (width) diffusion make bed of material width by Gradually increase, at the same material is sieved, is classified, loosely, transport improve screening efficiency, meet some similar foregoing equipment Need to carry out after high efficiency screening uniformly, continuous and relatively thin bed of material material feeding requirement, saved hall space, be greatly reduced Equipment energy consumption.

Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings.

Brief description of the drawings

Accompanying drawing is further understood from, this practicality as a part of the present utility model for providing to of the present utility model New schematic description and description is used to explain the utility model, but does not form to improper restriction of the present utility model. Obviously, drawings in the following description are only some embodiments, to those skilled in the art, are not paying creation Property work on the premise of, can also according to these accompanying drawings obtain other accompanying drawings.In the accompanying drawings：

Fig. 1 is the utility model overall structure diagram；

Fig. 2 is the utility model frame and screening hopper side view.

In figure：1st, upper strata sieve plate；2nd, hopper is sieved；3rd, bearing；4th, lower floor's sieve plate；5th, elastic vibrating moving plate；6th, elastic vibration Support；7th, framework soleplate；8th, vibrating motor；9th, frame；10th, feed leakage bucket.

It should be noted that these accompanying drawings and word description are not intended as limits design of the present utility model in any way Scope, but be that those skilled in the art illustrate concept of the present utility model by reference to specific embodiment.

Embodiment

It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer Accompanying drawing in type embodiment, the technical scheme in embodiment is clearly and completely described, following examples are used to illustrate this Utility model, but it is not limited to the scope of the utility model.

, it is necessary to explanation in description of the present utility model, term " on ", " under ", "front", "rear", "left", "right", The orientation or position relationship of the instruction such as " vertical ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to It is easy to describe the utility model and simplified description, rather than indicates or imply that signified device or element must be with specifically square Position, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.

, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary. For the ordinary skill in the art, it can understand that specific in the utility model of above-mentioned term containing with concrete condition Justice.

As shown in Figure 1 to Figure 2, a kind of double mass dither screening machine of the utility model, including：Sieve hopper 2, elasticity Vibrating reed 5, frame 9, multiple elastic vibration support 6, at least two vibrating motors 8, it is characterised in that the screening hopper 2 is set Above frame 9, it is connected by elastic vibrating moving plate 5 with frame 9, in the sieve plate both sides of the screening hopper 2 along feed direction Partially below center section, the elastic vibration support 6 is symmetrically set in the bottom of frame 9, and the vibrating motor 8 is symmetrically set in frame 9 both sides.When two vibrating motors 8 do synchronous, anti-narrow-necked earthen jar rotation, exciting force is perpendicular to Flow of Goods and Materials direction caused by its eccentric block Component cancel out each other, be superposed to make a concerted effort perpendicular to the component of elastic vibrating moving plate 5, driving support body does forced vibration, sieves hopper 2 Forced vibration amplitude is amplified by elastic vibrating moving plate 5, material is thrown along the orbit tangent direction of elastic vibrating moving plate 5；Sieve plate simultaneously Two be sloped downwardly the various sizes of aperture set on structure and sieve plate and material is more evenly and rapidly scattered, is sieved Divide, conveying；On the bearing installing plate of the bottom of frame 9, set elastic vibration to support 6 respectively, for the vibration isolation of whole equipment, make Bearing is stable, improves security performance.

Embodiment one

As shown in figure 1, a kind of double mass dither screening machine described in the present embodiment, including：Sieve hopper 2, elasticity Vibrating reed 5, frame 9, multiple elastic vibration support 6, at least two vibrating motors 8, it is characterised in that the screening hopper 2 is set Above frame 9, it is connected by elastic vibrating moving plate 5 with frame 9, in the sieve plate both sides of the screening hopper 2 along feed direction Partially below center section, the elastic vibration support 6 is symmetrically set in the bottom of frame 9, and the vibrating motor 8 is symmetrically set in frame 9 both sides.

Specifically, the screening machine detonation configuration described in the present embodiment is followed successively by from top to bottom：Sieve hopper 2, elastic vibration Piece 5, frame 9, elastic vibration support 6, base；Wherein, elastic vibrating moving plate 5 is used to connect screening hopper 2 and frame 9, in frame 9 Both sides are also symmetrically installed with least one pair of (two) high-frequency excitation motor, the rotating shaft of vibrating motor 8 axially with material conveying direction into 50 ° to 60 ° angles, can when learning that the rotary shaft of vibrating motor 8 is axial and the screening angle of hopper 2 is 55 ° by many experiments Enable vibrating motor 8 preferably to drive frame 9 to synchronize vibration, and convey material efficiencies highest, pacify with elastic vibrating moving plate 5 It is identical to fill direction, so, when screening machine works, two vibrating motors 8 make synchronous, anti-narrow-necked earthen jar and rotated, caused by its eccentric block Component of the exciting force perpendicular to Flow of Goods and Materials direction is cancelled out each other, and is superposed to make a concerted effort perpendicular to the component of elastic vibrating moving plate 5, driving Support body does forced vibration, and screening hopper 2 amplifies forced vibration amplitude by elastic vibrating moving plate 5, by material along the rail of elastic vibrating moving plate 5 Mark tangential direction is thrown；Because the mass of frame 9 is larger, so the amplitude of frame 9 is smaller, frame 9 is so set to keep more preferable Ground stability.According to the law of conservation of momentum, i.e., if a system is not zero by the vector of external force or suffered external force, then this The aggregated momentum of individual system keeps constant, and it is its matter that in the case where ignoring external force, analogy, which goes out to sieve hopper 2 and the amplitude ratio of frame 9, Measure the inverse ratio of ratio.Screening hopper 2 can obtain larger amplitude and throw material.

In addition, on the installing plate of bearing 3 of the bottom of frame 9, elastic vibration is set to support 6 respectively, for whole equipment Vibration isolation, make the stabilization of bearing 3, ensure that bearing 3 will not vibrate with frame 9 under the vibration isolation of elastic vibration support 6, improve security Energy；Bearing 3 is arranged to Height Adjustable stainless steel structure, is controlled according to screening machine local environment and material screening rate request Screening machine keep level, or increase positioned at the bearing 3 of feed end so that screening machine feed end is slightly above discharge end and accelerates screening speed Degree.

Elastic vibrating moving plate 5 selects to need by calculating mounted in pairs during installation number, installed in the frame 9 and the sieve The both sides or bottom of material-dividing groove 2, meet that equipment joins a little higher than excited frequency of vibrating motor 8 of part intrinsic frequency of shaking, with resonance Principle reduces equipment energy consumption, while avoids equipment excited frequency from causing the caused damaging vibration that resonates by intrinsic frequency.It is excellent Choosing, the vibration frequency of the screening hopper 2 is 12.5Hz to 16.6Hz, and amplitude is 7mm to 15mm, the amplitude of the frame 9 For 2mm-4.8mm.

Preferably, the elastic vibrating moving plate 5 is one group of one group of monolithic or biplate, in order to adapt to different vibration frequencies and sieve The elastic vibrating moving plate 5 of the weight requirements of material-dividing groove 2, connection frame 9 and screening hopper 2 can be that monolithic is symmetrically installed for one group, It can be symmetrically installed using biplate as one group or the mix and match of monolithic and biplate, at least provided with two groups on a screening machine Elastic vibrating moving plate 5, set quantity relevant with the quality of frame 9 and screening hopper 2, and then preferably coordinate frame 9 to drive screening Hopper 2 vibrates, while ensures that complete machine stability and energy consumption are minimum.

Embodiment two

As shown in Fig. 2 the screening hopper 2 described in the present embodiment is two plank frames being sloped downwardly, the screening material Groove 2 includes upper strata sieve plate 1 and lower floor's sieve plate 4, and the upper strata sieve plate 1 and lower floor's sieve plate are detachably installed according to material size requirement Any one in 4, or both combination be arranged in screening hopper 2.It is respectively equipped with the upper strata sieve plate 1 and lower floor's sieve plate 4 Aperture, the wherein orifice size on upper strata sieve plate 1 are more than the orifice size of lower floor's sieve plate 4, different sizes in material traveling process Material can be fallen into by aperture in frame 9.

The afterbody of framework soleplate 7 is provided with feed leakage bucket 10, falls into material on framework soleplate 7 and feed leakage bucket is fallen into during traveling 10 are collected.

Specifically, the sieve plate of screening hopper 2 is bottom plate bending cell body sieve plate integral structure, sieves in hopper 2 and can be set Two layers of sieve plate, aperture is designed with two layers of sieve plate, the wherein orifice size of upper strata sieve plate 1 is more than the orifice size of lower floor's sieve plate 4, thing Expect into discharging direction traveling process, require more strict material for size, first pass around upper strata sieve plate 1, size is relative Less material can the aperture through upper strata sieve plate 1 leak down to fall into lower floor's sieve plate 4, the material in lower floor's sieve plate 4 is during traveling Smaller material and offal, offal etc. are fallen into framework soleplate 7 by aperture, are finally collected respectively, just simultaneously The material different to 2 kinds of sizes, operating process is simplified, while the afterbody on framework soleplate 7 is provided with feed leakage bucket 10, does not conform to chi Very little material advance to the afterbody of frame 9 can be fallen into by feed leakage bucket 10 it is pending in collecting tank；

If be not to material size requirement it is very strict, according to the requirement of the approximate size of material from upper strata sieve plate 1 or under One in layer sieve plate 4, another is not resided at then on screening hopper 2, can mitigate hopper weight, reduces resource consumption.Institute Sieve plate and the hopper side wall stated on screening hopper 2 are dismountable bolt fastening structure, hopper less using welding, is avoided Welding deformation.

At least one in the upper strata sieve plate 1 and lower floor's sieve plate 4 is that two side portions are the plane or cambered surface tilted down Plank frame.The integral structure that the sieve plate of the screening hopper 2 is angled slightly downward using center section level, both sides, Sloping portion can be plane, similar trapezoidal, or with cambered curved surface, making can be more uniformly fast in material conveying process Speed is scattered, sieved, while the material met the size requirements can be several to both sides so that the material for not meeting size requirement can be fast Speed is leaked down by aperture.Preferably, if the upper strata sieve plate 1 of the present embodiment introduction in Fig. 2, two angles being sloped downwardly are 5 ° of left sides The right side, lower floor's sieve plate 4 are level board, also can all be changed to the sieve plate of both sides sink structures if necessary.

It can replace needing two equipment that the effect that can be only achieved is applied in combination in the past by the utility model.Also, root It is only the 30% of common vibrating screen classifier according to resonance principle and law of conservation of momentum the utility model energy consumption, passes through the utility model Needed two equipment that the effect that can be only achieved is applied in combination instead of the past to improve screening efficiency, saved hall space, significantly Reduce equipment energy consumption.

Described above is only preferred embodiment of the present utility model, not the utility model is made any formal Limitation, although the utility model is disclosed above with preferred embodiment, but is not limited to the utility model, any to be familiar with The technical staff of this patent is not being departed from the range of technical solutions of the utility model, when the technology contents work using above-mentioned prompting Go out a little change or be modified to the equivalent embodiment of equivalent variations, as long as being the content without departing from technical solutions of the utility model, Any simple modification, equivalent change and modification made according to the technical essence of the utility model to above example, still belongs to In the range of the utility model.

Claims (10)

1. a kind of double mass dither screening machine, including：Sieve hopper, elastic vibrating moving plate, frame, multiple elastic vibration branch Support, at least two vibrating motors, it is characterised in that the screening hopper passes through elastic vibrating moving plate and frame above frame It is connected, is less than center section, the elastic vibration support pair in the sieve plate two side portions of the screening hopper along feed direction Title is located at bottom of the frame, and the vibrating motor is symmetrically set in frame both sides.

2. double mass dither screening machine according to claim 1, it is characterised in that the sieve plate bag of the screening hopper Upper strata sieve plate and lower floor's sieve plate are included, is detachably installed according to material size requirement any in the upper strata sieve plate and lower floor's sieve plate One, or both combination be arranged on screening hopper in.

3. double mass dither screening machine according to claim 2, it is characterised in that the upper strata sieve plate and lower screen At least one in plate is plank frame that two side portions are the plane or cambered surface tilted down.

4. double mass dither screening machine according to claim 2, it is characterised in that the upper strata sieve plate and lower screen Aperture is respectively equipped with plate, the wherein orifice size on the sieve plate of upper strata is more than the orifice size of lower floor's sieve plate, material traveling process In various sizes of material carry out stock grading can be fallen by aperture.

5. double mass dither screening machine according to claim 1, it is characterised in that the frame includes side wall and bottom Plate, the elastic vibrating moving plate are connected with frame side wall, and bottom plate is stainless steel flat board, is detachably linked with frame side wall, from The material fallen in screening hopper aperture falls on bottom plate and moved to discharging direction.

6. double mass dither screening machine according to claim 5, it is characterised in that the discharge end of the framework soleplate Provided with feed leakage bucket, fall into material on framework soleplate feed leakage bucket is fallen into during traveling and be collected.

7. double mass dither screening machine according to claim 1, it is characterised in that the elastic vibration support and machine Frame bottom connects, and elastic vibration support bottom is provided with bearing.

8. double mass dither screening machine according to claim 7, it is characterised in that the height of support is adjustably The placement of screening machine keep level or feed end is supported to be placed higher than discharge end.

9. double mass dither screening machine according to claim 1, it is characterised in that the vibrating motor swashs for high frequency Shake motor, is symmetrically set in frame both sides, vibrating motor rotating shaft axially with material conveying direction into 50 ° to 60 ° angles, and with elasticity Vibrating reed installation direction is identical.

10. double mass dither screening machine according to claim 1, it is characterised in that the vibration of the screening hopper Frequency is 12Hz-17Hz, and the amplitude of the screening hopper is 6mm-15mm, and the bottom plate amplitude in frame is 2mm-5mm.