CN206746989U - A kind of Double shaft self synchronous elliptically vibrating screen - Google Patents
A kind of Double shaft self synchronous elliptically vibrating screen Download PDFInfo
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- CN206746989U CN206746989U CN201720271444.8U CN201720271444U CN206746989U CN 206746989 U CN206746989 U CN 206746989U CN 201720271444 U CN201720271444 U CN 201720271444U CN 206746989 U CN206746989 U CN 206746989U
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- vibrating mechanism
- motor
- screen
- screen box
- buffer stopper
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Abstract
A kind of Double shaft self synchronous elliptically vibrating screen, including vibrating mechanism, screen box, bearing, two transmission gear for electric motor and elastic shock attenuation mechanism, the lateral wall of elastic shock attenuation mechanism and screen box connects, screen box is arranged on vibrating mechanism, vibrating mechanism is double main axle structures, and each vibrating mechanism is corresponding to connect a transmission gear for electric motor connection；Transmission gear for electric motor includes motor, transmission belt and the motor cabinet for installing motor, motor in each transmission gear for electric motor correspondingly passes to power by transmission belt one end of the main shaft of each vibrating mechanism, and the two-end part of two main shafts is mounted on eccentric wheel, screen box is arranged on main shaft by the bearing block set on its biside plate, its power is passed to vibrating mechanism, elliptic vibrations of the vibrating mechanism by eccentric wheel by the convert rotational motion of main shaft for screen box by transmission gear for electric motor.The vibrating mechanism that the utility model uses is simple in construction in light weight for Double shaft self synchronous structure, dependable performance, easy maintenance, there is enough vibration forces.
Description
Technical field
It the utility model is related to vibration screening machinery field, and in particular to a kind of Double shaft self synchronous elliptically vibrating screen.
Background technology
Current vibratory sieve can substantially be divided into according to oscillation trajectory：Circular shale shaker, linear vibrating screen, elliptically vibrating screen, shake
Dynamic sieve is typically made up of vibrating mechanism, screen box and transmission device etc., and screen box includes side plate, and multilayer screen cloth is provided with screen box.
In conventional design, following defect is primarily present：One, big-and-middle-sized circular shale shaker are all single main shaft, dual bearing structure, and such sets
Big for the bearing designation typically used, rotating speed and carrying have reached capacity, and greatly reduce the reliability of equipment；Screen box is tilted and put
Put, throughput is big, but screening efficiency is relatively low；Secondly, linear vibrating screen it is horizontally disposed, linear motion, screening efficiency is high, but passes through
Measure less than normal.Thirdly, elliptically vibrating screen it is horizontally disposed, amplitude is big, the advantages of combining straight line shaker and circular vibrating screen, and yield is big, screening
Efficiency high, but the vibrator of existing three-axis elliptic sieve is all arranged on the same layer screen cloth inside screen box, dense arrangement, to installation
Maintenance brings very big inconvenience, and weight is bigger than normal.By above reason, cause existing vibratory equipment operating efficiency low, Er Qiejian
It is longer to repair the time.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of Double shaft self synchronous elliptical vibration
Sieve, maintenance efficiency can improve more than 50%.
The utility model is that technical scheme is used by overcome the deficiencies in the prior art：A kind of Double shaft self synchronous ellipse shakes
Dynamic sieve, including vibrating mechanism, screen box, bearing, two transmission gear for electric motor and the elastic shock attenuation mechanism on bearing, bullet
Property damping and the lateral wall of screen box connect, screen box is arranged on vibrating mechanism, and vibrating mechanism is double main axle structures, and is vibrated
Two main shafts of mechanism are located at the upper and lower part of the same screen cloth in screen box, each vibrating mechanism one motor of corresponding connection respectively
Transmission device connects；Wherein, transmission gear for electric motor includes motor, transmission belt and the motor cabinet for installing motor, each motor
Motor in transmission device correspondingly passes to power by transmission belt one end of the main shaft of each vibrating mechanism, and two main shafts
Two-end part is mounted on eccentric wheel, and the bearing block set on the biside plate that screen box is oppositely arranged by it is arranged on main shaft,
Its power is passed to vibrating mechanism by transmission gear for electric motor, and the convert rotational motion of main shaft is sieve by eccentric wheel by vibrating mechanism
The elliptic vibrations of case.
Wherein, described motor cabinet includes upper buffer stopper, base, buffer spring and the lower buffering being fixed on base
Block, motor are fixed on the upper surface of buffer stopper, and the lower surface of upper buffer stopper is provided with its relative vertical center line and is symmetrical arranged
Arcwall face, the face-up buffer stopper of arc upper surface direction bending；The bottom of upper buffer stopper and the top of lower buffer stopper pass through
Rotating shaft connects, and the upper end of lower buffer stopper is provided with symmetrical relative to the two connecting portion horizontal plane with the lower surface of upper buffer stopper
The arcwall face of setting, the both ends of buffer spring are connected to the arcwall face of the upper buffer stopper positioned at rotating shaft homonymy and lower buffer stopper
Arcwall face on.
Wherein, one end of main shaft is provided with spindle pulley, and driving wheel, described transmission belt are provided with the output shaft of motor
Structure closed loop triangular in shape is set on driving wheel and spindle pulley.
In the utility model, described elastic shock attenuation mechanism is rubber spring or metal coil spring.
Wherein, crossbeam is provided with screen box, multiple buffer bars is evenly equipped with crossbeam, buffer bar pull-up is provided with screen cloth, screen cloth
Both ends are detachably connected on crossbeam.Preferably, gapless between screen cloth and buffer bar, screen cloth uniformly pull open along buffer bar,
If there is gap between screen cloth and buffer bar, the secondary vibration of screen cloth can be caused, reduces the service life of screen cloth.
Further, the both ends of crossbeam are provided with angle steel, and screen cloth is arranged on angle steel by the hammer head bolts through its end,
Block rubber is arranged with the hammer head bolts of screen cloth upper and lower part, and is arranged with the hammer head bolts on screen cloth top
Hollow rubber bar above block rubber.
Existing screen box is difficult to control using welding, or part welding, bolt connection form, low intensity, quality,
It is unfavorable for generalization, standardized production.Preferably, screen box of the present utility model uses full bolt fastening structure, integral module
Design；Can overall pulling down replacing.
Double shaft self synchronous vibrating mechanism of the present utility model, two main shafts are driven using two parameter identical motors,
The main shaft that two motors of synchronous averaging moment are set by two centerline parallels drives two eccentric wheels to automatically form synchronous rotation
Turn, action is converted into track and passes to screen box for elliptical vibration by vibrating mechanism, and the vibration of screen box makes the material bed pine on screen cloth
Dissipate, and leave screen cloth and throw, fine fraction is fallen by the bed of material and is discharged by the sieve aperture on screen cloth, and will be stuck in sieve aperture
Material grain shake, in addition to sieving actoion, and material is travelled forward.
Beneficial effect：1st, the utility model is simple in construction heavy because used vibrating mechanism is Double shaft self synchronous structure
Amount is light, dependable performance, easy maintenance, there is enough vibration forces, and amplitude is big, and frequency is high, is ensureing big yield, efficient same
When, the weight of equipment is significantly reduced, saves cost.
2nd, to be detachably connected, the vibratory sieve service clearance is big, easy to maintenance, can be overall for motor cabinet, screen box and screen cloth etc.
Change, operating efficiency can improve more than 50%.
3rd, upper buffer stopper, lower buffer stopper and buffer spring are provided with motor cabinet, driving wheel and spindle pulley installation upload
After dynamic band, transmission belt tenses motor, and buffer stopper compresses buffer spring again in motor driven, can remain the tensioning of transmission belt
Power, effectively prevent from starting, stop or de- zoning during large magnitude.
4th, buffer bar and block rubber play supporting screen cloth, the horizontal beam action of protection, can be carried out in time when finding and having breakage
Change.
Brief description of the drawings
Fig. 1 is front view of the present utility model；
Fig. 2 is Fig. 1 left view；
Fig. 3 is the right view of one of transmission gear for electric motor in the utility model；
Fig. 4 is transmission gear for electric motor and vibrating mechanism connection diagram in Fig. 1；
Fig. 5 is the scheme of installation of screen cloth in the utility model；
Fig. 6 is the blast connection diagram of screen cloth one end in Fig. 5.
Marked in figure：1st, transmission gear for electric motor, 2, vibrating mechanism, 3, screen box, 30, crossbeam, 31, buffer bar, 32, screen cloth,
33rd, angle steel, 34, hammer head bolts, 35, block rubber, 36, hollow rubber bar, 37, side plate, 38, bearing block；4th, elastic shock attenuation mechanism,
5th, bearing, 6, motor, 60, driving wheel；7th, transmission belt, 8, upper buffer stopper, 9, base, 10, buffer spring；11st, main shaft, 110, main
Shaft pulley；12nd, eccentric wheel, 13, rotating shaft, 14, lower buffer stopper.
Embodiment
Technological means, creation characteristic and the purpose reached to realize the utility model readily appreciate, with reference to
Specific scheme of installation, the utility model is expanded on further, but the utility model scope claimed is not limited to have
Scope described in body embodiment.
A kind of Double shaft self synchronous elliptically vibrating screen, as depicted in figs. 1 and 2, vibratory sieve include vibrating mechanism 2, screen box 3, branch
5, two transmission gear for electric motor 1 of seat and the elastic shock attenuation mechanism 4 on bearing 5, elastic shock attenuation mechanism 4 and screen box 3
Lateral wall is connected, and screen box 3 is arranged on vibrating mechanism 2, and vibrating mechanism 2 is double main axle structures, and two main shafts of vibrating mechanism 2
11 are located at the upper and lower part of the same screen cloth in screen box 3, each vibrating mechanism 2 one transmission gear for electric motor 1 of corresponding connection respectively
Connection.Wherein, screen box 3 includes the side plate 37 being oppositely arranged and the multilayer screen cloth 32 inside screen box 3, as shown in figure 4, two
Bearing block 38 is arranged with positioned at the position of the inner side of two eccentric wheels 12, the bearing block 38 on each main shaft 11 is equal on individual main shaft 11
It is connected by bolt with the side 37 of screen box 3, enables main shaft 11 to drive screen box 3 one to start shipment by the bearing in bearing block 38
It is dynamic, wherein, two main shafts 11 do opposite direction rotating.
Wherein, as shown in figure 3, transmission gear for electric motor 1 includes motor 6, transmission belt 7 and the motor for installing motor 6
Seat, as shown in figure 4, the motor 6 in each transmission gear for electric motor 1 correspondingly passes to power by transmission belt 7 each vibrating mechanism 2
One end of main shaft 11, and the two-end part of two main shafts 11 is mounted on eccentric wheel 12, two eccentric wheels at each main shaft both ends
It is referred to as one group of eccentric wheel；The bearing block 38 set on the biside plate 37 that screen box 3 is oppositely arranged by it is arranged on main shaft 11,
Its power is passed to vibrating mechanism 2 by transmission gear for electric motor 1, and vibrating mechanism 2 is by eccentric wheel 12 by the rotary motion of main shaft 11
It is converted into the elliptic vibrations of screen box 3.I.e.：One end of main shaft 11 is provided with spindle pulley 110, pacifies on the output shaft of motor 6
Equipped with driving wheel 60, the structure closed loop triangular in shape of transmission belt 7 is set on driving wheel 60 and spindle pulley 110.
As shown in figure 3, motor cabinet includes upper buffer stopper 8, base 9, buffer spring 10 and is fixed on lower slow on base 9
Block 14 is rushed, motor 6 is fixed on the upper surface of buffer stopper 8, and the lower surface of upper buffer stopper 8 is provided with its relative vertical center line pair
Claim the arcwall face set, the upper surface direction bending of the face-up buffer stopper 8 of arc；The bottom of upper buffer stopper 8 and lower buffer stopper 14
Top connected by rotating shaft 13, and the upper end of lower buffer stopper 14 is provided with and connected with the lower surface of upper buffer stopper 8 relative to the two
The symmetrically arranged arcwall face of socket part position horizontal plane, the both ends of buffer spring 10 are connected to the upper buffering positioned at the homonymy of rotating shaft 13
On the arcwall face of the arcwall face of block 8 and lower buffer stopper 14.
Elastic shock attenuation mechanism 4 in the utility model is the elastic parts such as rubber spring or metal coil spring.
As shown in Figure 5 and Figure 6, crossbeam 30 is provided with screen box 3, multiple buffer bars 31, buffer bar 31 is evenly equipped with crossbeam 30
Pull-up is provided with screen cloth 32, and the both ends of screen cloth 32 are detachably connected on crossbeam 30；The both ends of crossbeam 30 are provided with angle steel；Screen cloth 32 is logical
Cross the hammer head bolts 34 through its end to be arranged on angle steel 33, covered on the hammer head bolts 34 of the upper and lower part of screen cloth 32
Provided with block rubber 35, and it is located at the hollow rubber bar being arranged with the hammer head bolts 34 on the top of screen cloth 32 above block rubber 35
36.Some supporting steel plates and support angle steel are longitudinally laid above crossbeam, screen cloth is laid on thereon, and will be opened with hammer head bolts
Next screen cloth is arranged on the angle steel of end, simple in construction, is only needed a people to complete the installation of pressing plate, has been saved space,
It is possible thereby to the layer of screen cloth is reduced away from and then reducing the height of screen box, save cost.
Such as Fig. 2 embodiment, screen box 3 is interior to have three-layer screen 32, from Fig. 2 lower section to top, is followed successively by first layer sieve
Net, second layer screen cloth and third layer screen cloth, from diagram as can be seen that two vibrating mechanisms 2 are respectively positioned at first layer screen cloth and the
Between two layers of screen cloth, between second layer screen cloth and third layer screen cloth.Preferably, vibrating mechanism 2 passes through bolt assembly and screen box 3
Two pieces of side plate connections, securely and reliably, only have a vibrator, are easy to refuel, install maintenance between every two layers of screen cloth.
Two groups of eccentric wheel diameters of the present utility model are unequal, when two groups of eccentric wheels turn to same direction, swash
Power of shaking reaches maximum, and drives screen box in the motion along the long axis of elliptical orbit；When two groups of eccentric wheel direction of vibration are completely opposite
When, exciting force reaches minimum, and the eccentric wheel of its small-medium size can offset the part exciting force of large-sized eccentric wheel, only part
Exciting force caused by large-sized eccentric wheel drives screen box to be moved in the short-axis direction of elliptical orbit.In motion process, in ellipse
Major axis both ends, short axle both ends four point positions between orbit segment, large-sized eccentric wheel and the eccentric wheel rotation direction phase of small size
Instead, angle can be produced, formation is made a concerted effort, and as angle constantly changes, size and the inversely proportional change of angular dimension of exciting force, is shaken
Width also constantly changes with screen box movement locus, ultimately forms the movement locus of ellipse.
Preferably, the driving wheel 60 and spindle pulley 110 that the utility model uses, the trough of belt on the two is standard cell
Deep 2 ~ 2.5 times, being capable of effectively anti-anti-avulsion band, jump band.
In the utility model, it is preferred that reinforcing plate and some reinforcement angle steel of the side plate of screen box 3 by the position of vibrating mechanism 2
Composition（Do not indicated in figure）, increase side plate intensity, side plate thickness 12mm, that is, ensure that intensity greatly reduces cost again.
Claims (6)
1. a kind of Double shaft self synchronous elliptically vibrating screen, including vibrating mechanism（2）, screen box（3）, bearing（5）, two motor transmission dresses
Put（1）And installed in bearing（5）On elastic shock attenuation mechanism（4）, it is characterised in that：Elastic shock attenuation mechanism（4）With screen box（3）
Lateral wall connection, screen box（3）It is arranged on vibrating mechanism（2）On, vibrating mechanism（2）For double main axle structures, and vibrating mechanism（2）
Two main shafts（11）It is located at screen box respectively（3）The upper and lower part of interior same screen cloth, each vibrating mechanism（2）Corresponding connection one
Individual transmission gear for electric motor（1）Connection；Wherein, transmission gear for electric motor（1）Including motor（6）, transmission belt（7）And for installing electricity
Machine（6）Motor cabinet, each transmission gear for electric motor（1）In motor（6）Pass through transmission belt（7）Power is correspondingly passed to each vibration
Mechanism（2）Main shaft（11）One end, and two main shafts（11）Two-end part be mounted on eccentric wheel（12）, screen box（3）It is logical
Cross its biside plate being oppositely arranged（37）The bearing block of upper setting（38）Installed in main shaft（11）On, transmission gear for electric motor（1）Will
Its power passes to vibrating mechanism（2）, vibrating mechanism（2）Pass through eccentric wheel（12）By main shaft（11）Convert rotational motion for sieve
Case（3）Elliptic vibrations.
A kind of 2. Double shaft self synchronous elliptically vibrating screen according to claim 1, it is characterised in that：Described motor cabinet includes
Upper buffer stopper（8）, base（9）, buffer spring（10）And it is fixed on base（9）On lower buffer stopper（14）, motor（6）It is fixed
In upper buffer stopper（8）Upper surface on, upper buffer stopper（8）Lower surface be provided with the relative symmetrically arranged arc of its vertical center line
Face, the face-up buffer stopper of arc（8）Upper surface direction bending；Upper buffer stopper（8）Bottom and lower buffer stopper（14）Top
Pass through rotating shaft（13）Connection, and lower buffer stopper（14）Upper end be provided with and upper buffer stopper（8）Lower surface connect relative to the two
The symmetrically arranged arcwall face of socket part position horizontal plane, buffer spring（10）Both ends be connected to positioned at rotating shaft（13）Homonymy it is upper
Buffer stopper（8）Arcwall face and lower buffer stopper（14）Arcwall face on.
A kind of 3. Double shaft self synchronous elliptically vibrating screen according to claim 1, it is characterised in that：Main shaft（11）One end set
There is spindle pulley（110）, motor（6）Output shaft on driving wheel is installed（60）, described transmission belt（7）Knot triangular in shape
Structure closed loop is set in driving wheel（60）And spindle pulley（110）On.
A kind of 4. Double shaft self synchronous elliptically vibrating screen according to claim 1, it is characterised in that：Described elastic shock attenuation machine
Structure（4）For rubber spring or metal coil spring.
A kind of 5. Double shaft self synchronous elliptically vibrating screen according to claim 1, it is characterised in that：Screen box（3）It is interior to be provided with horizontal stroke
Beam（30）, crossbeam（30）On be evenly equipped with multiple buffer bars（31）, buffer bar（31）Pull-up is provided with screen cloth（32）, screen cloth（32）Two
End is detachably connected on crossbeam（30）On.
A kind of 6. Double shaft self synchronous elliptically vibrating screen according to claim 5, it is characterised in that：Crossbeam（30）Both ends set
There is angle steel（33）, screen cloth（32）Pass through the hammer head bolts through its end（34）Installed in angle steel（33）On, positioned at screen cloth（32）
The hammer head bolts of upper and lower part（34）On be arranged with block rubber（35）, and it is located at screen cloth（32）The hammer head bolts on top（34）
On be arranged with positioned at block rubber（35）The hollow rubber bar of top（36）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720271444.8U CN206746989U (en) | 2017-03-20 | 2017-03-20 | A kind of Double shaft self synchronous elliptically vibrating screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720271444.8U CN206746989U (en) | 2017-03-20 | 2017-03-20 | A kind of Double shaft self synchronous elliptically vibrating screen |
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| Publication Number | Publication Date |
|---|---|
| CN206746989U true CN206746989U (en) | 2017-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720271444.8U Expired - Fee Related CN206746989U (en) | 2017-03-20 | 2017-03-20 | A kind of Double shaft self synchronous elliptically vibrating screen |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110404766A (en) * | 2019-08-09 | 2019-11-05 | 广州市万瑞机械制造有限公司 | A kind of flexible horizontal vibration sieve |
| CN110721905A (en) * | 2019-11-20 | 2020-01-24 | 上海卡优美重工机械有限公司 | Triaxial elliptical vibrating screen |
| CN114700161A (en) * | 2022-04-27 | 2022-07-05 | 广西美斯达工程机械设备有限公司 | Fixed feeding crusher set equipment and feeding method |
-
2017
- 2017-03-20 CN CN201720271444.8U patent/CN206746989U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110404766A (en) * | 2019-08-09 | 2019-11-05 | 广州市万瑞机械制造有限公司 | A kind of flexible horizontal vibration sieve |
| CN110721905A (en) * | 2019-11-20 | 2020-01-24 | 上海卡优美重工机械有限公司 | Triaxial elliptical vibrating screen |
| CN114700161A (en) * | 2022-04-27 | 2022-07-05 | 广西美斯达工程机械设备有限公司 | Fixed feeding crusher set equipment and feeding method |
| CN114700161B (en) * | 2022-04-27 | 2024-02-23 | 广西美斯达工程机械设备有限公司 | Fixed feeding crusher unit equipment and feeding method |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171215 |
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| CF01 | Termination of patent right due to non-payment of annual fee |