CN106964537A - Distribution device, vibratory sieve and asphalt mixing plant - Google Patents
Distribution device, vibratory sieve and asphalt mixing plant Download PDFInfo
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- CN106964537A CN106964537A CN201710302775.8A CN201710302775A CN106964537A CN 106964537 A CN106964537 A CN 106964537A CN 201710302775 A CN201710302775 A CN 201710302775A CN 106964537 A CN106964537 A CN 106964537A
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- splicing
- lifting
- distribution device
- stirring
- along
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- 238000009826 distribution Methods 0.000 title claims abstract description 49
- 239000010426 asphalt Substances 0.000 title claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 178
- 239000004744 fabric Substances 0.000 claims abstract description 81
- 238000007599 discharging Methods 0.000 claims abstract description 43
- 238000003756 stirring Methods 0.000 claims description 87
- 230000007246 mechanism Effects 0.000 claims description 25
- 238000005452 bending Methods 0.000 claims description 16
- 230000033001 locomotion Effects 0.000 abstract description 11
- 238000012216 screening Methods 0.000 abstract description 11
- 230000008859 change Effects 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000007873 sieving Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 12
- 238000013016 damping Methods 0.000 description 7
- 230000005284 excitation Effects 0.000 description 7
- 238000009434 installation Methods 0.000 description 7
- 239000002245 particle Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000009738 saturating Methods 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 241000276425 Xiphophorus maculatus Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B2201/00—Details applicable to machines for screening using sieves or gratings
- B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The present invention relates to a kind of distribution device, vibratory sieve and asphalt mixing plant, wherein, distribution device includes splicing part (4), splicing part (4) includes the splicing structure (41) with material receiving plane and the lifting structure (43) with material output face, lifting structure (43) is located on the material receiving plane of splicing structure (41), and the material output face of lifting structure (43) is gradually distance from the material receiving plane of splicing structure (41) along discharging direction, it can make to fall material output face of the material along lifting structure (43) on the material receiving plane of splicing structure (41) to tilt upward discharging.Such a distribution device can change discharging movement locus, improve discharge height, and move distance of the extension material on splicing part, the angle of velocity attitude and screen cloth when can increase material with being contacted at the beginning of screen cloth is conducive to sieving material, so as to improve screening efficiency；And the distribution device cloth is uniform, save energy consumption and space.
Description
Technical field
The present invention relates to vibrosieve equipment technical field, more particularly to a kind of distribution device, vibratory sieve and asphalt mixing
Stand.
Background technology
Asphalt mixing plant is coarse aggregate and fine aggregate, the filler after heat drying under certain temperature according to design mixture proportion
And the mixture such as pitch stirs into the complete set of equipments of uniform compound, be widely used to highway, urban road, harbour,
In the infrastructure constructions such as airport.
Vibratory sieve is as the critical component of aggregate screening in asphalt mixing plant, and its sieve performance height directly affects pitch and mix
Close the quality of production and production efficiency at station.Hot aggregate is transported to vibratory sieve by hot aggregate elevator from heating roller, and hot aggregate exists
It is for linear motion forward while being tossed on screen cloth, the aggregate of plurality of specifications is produced through each layer screen cloth, from each layer screen cloth sieve
The aggregate separated, from the discharge of each layer discharging opening, completes screening operation.
Because hot aggregate elevator discharging opening width is approximately the 1/2 of vibratory sieve charging aperture width, aggregate is entering vibratory sieve
The effective area formation trapezoidal shape of compass screen surface, vibrating screen mesh is underutilized, and aggregate is distributed centre on the net in Vibration Screen
The bed of material is thicker, causes the generation of plug-hole phenomenon, reduces screening efficiency, clears up screen cloth, delays the duration.Middle material thickness, aggregate with
Screen cloth Rubbing number is more, and screening media is serious.In addition, the both sides screen cloth bed of material is relatively thin, screen cloth utilization rate is low.
At present, asphalt mixing plant vibratory sieve does not use special distribution device, simply in hot aggregate elevator discharging opening dress
Interior setting dividing plate is put, is acted on playing certain cloth by way of " resistance material ", and splicing plate is set inside vibratory sieve, is risen
Accept the effect of hot aggregate.
Although the setting of dividing plate can improve hot aggregate cloth evenness to a certain extent, in actual use effect
It is unobvious, thus how to improve aggregate group's distributing homogeneity, the utilization ratio of vibrating screen mesh is improved, sieving capacity is improved,
A problem urgently to be resolved hurrily is still in vibrosieve industry.
The content of the invention
The purpose of the present invention is to propose to a kind of distribution device, vibratory sieve and asphalt mixing plant, it is possible to increase improve vibratory sieve
To the screening efficiency of material.
To achieve the above object, first aspect present invention provides a kind of distribution device, including splicing part, the splicing
Part includes the splicing structure with material receiving plane and the lifting structure with material output face, and the lifting structure is located at institute
State on the material receiving plane of splicing structure, and the material output face of the lifting structure is gradually distance from described connect along discharging direction
Expect the material receiving plane of structure, can make to fall material on the material receiving plane of the splicing structure along the lifting structure
Material output face tilt upward discharging.
Further, the lifting structure is located on the material receiving plane of the splicing structure along discharging direction close to outside
Position.
Further, the material output face of the lifting structure is higher than both sides on cloth width in pan feeding region
Ridge shape.
Further, the lifting structure includes two pieces of sub- lifting blades being independently arranged along cloth width, two pieces of institutes
State sub- lifting blade one end close to each other to be spaced apart at pan feeding region, one end that two pieces of sub- lifting blades are located remotely from each other can
On the material receiving plane for being rotationally connected to the splicing structure.
Further, the splicing part also includes jib lubbing mechanism, and the jib lubbing mechanism is located at the sub- lifting blade and institute
State between splicing structure, the angle of inclination of the sub- lifting blade can be adjusted.
Further, the jib lubbing mechanism can passively adjust the son in the presence of material is to the sub- lifting blade
The angle of inclination of lifting blade.
Further, the jib lubbing mechanism includes flexible member, and each sub- lifting blade is along between cloth width
Every setting multiple flexible members, and the corresponding multiple flexible members of each sub- lifting blade are along away from material feeding region
The directional stiffness in domain gradually increases.
Further, the splicing structure includes splicing bottom plate and three blocks of splicing side plates, three blocks of splicing side plates difference
It is located at two ends of the splicing bottom plate along cloth width and along the discharging one end of direction away from the lifting structure, it is described
Material receiving plane is located on the splicing bottom plate.
Further, the splicing part also includes multiple splicing wear strips, and multiple splicing wear strips are along discharging
Direction interval is located on the material receiving plane of the splicing structure；Or
The splicing part also includes multiple lifting wear strips, and multiple lifting wear strips are set along discharging direction interval
In the material output face of the lifting structure.
Further, the splicing wear strip is L-shaped bending plate, and the height of the intermediate region of the bending plate vertical portion is high
In both sides.
Further, in addition to stirring part, the stirring part is located above the splicing part, for changing material
Conveying direction, to make material fall on the splicing part under the first rollover states, and make thing under the second rollover states
Material falls the region beyond the splicing part.
Further, the stirring part includes driving part and stirring structure, and the driving part is described for driving
Stirring structure is rotated, and the stirring structure is inclined when in the first rollover states and the second rollover states.
Further, the stirring part also includes wide along cloth in body structure and crank mechanism, the stirring structure
The both sides for spending direction are provided with rotating shaft, and the stirring structure is rotatably arranged in the body structure by rotating shaft, the driving
Part is set perpendicular to rotating shaft, and by the crank mechanism stirring structure can be driven to rotate.
Further, the stirring part also includes multiple stirring wear strips, and multiple splicing wear strips are along discharging
Direction interval is located at the face that the stirring structure is used to receive material.
To achieve the above object, second aspect of the present invention provides a kind of vibratory sieve, including the cloth described in above-described embodiment
Expect device, the distribution device is located in the vibratory sieve close to the position of feeding mouth.
Further, in addition to side plate and sieve nest, two ends of the splicing structure along cloth width are located at the side
On plate, the splicing part is fixed on sieve nest.
To achieve the above object, third aspect present invention provides a kind of asphalt mixing plant, including described in above-described embodiment
Vibratory sieve.
Based on above-mentioned technical proposal, distribution device of the invention, provided with splicing part, splicing part include splicing structure and
Lifting structure, lifting structure is located on the material receiving plane of splicing structure, and lifting structure material output face along discharging side
To the material receiving plane for being gradually distance from splicing structure, it can make to fall material on the material receiving plane of splicing structure along lifting
The material output face of structure tilts upward discharging.Lifting structure can change movement locus when material is dished out, from splicing structure
To the discharging end of lifting structure, unloading position gradually rises, and can improve the discharge height of material, extension material is in splicing part
On move distance, the angle of velocity attitude and screen cloth when can increase material with being contacted at the beginning of screen cloth during for vibratory sieve has
Beneficial to the saturating sieve of material, so as to improve the screening efficiency of vibratory sieve；And the distribution device is simple in construction, cloth uniform, save
Energy consumption and space.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the structural representation of one embodiment of vibratory sieve of the present invention；
Fig. 2 is the top view of one embodiment of stirring part in vibratory sieve of the present invention；
Fig. 3 is A-A sectional views when stirring part shown in Fig. 2 is in normal operating conditions；
Fig. 4 is structural representation of the material rotating plate in discharging state in stirring part shown in Fig. 2；
Fig. 5 is the structural representation of one embodiment of stirring structure in stirring part shown in Fig. 3 or Fig. 4；
Fig. 6 is one embodiment structural representation of splicing part in vibratory sieve of the present invention；
Fig. 7 is the structural representation of one embodiment of splicing wear strip in splicing part；
Fig. 8 is the parameter designing schematic diagram of lifting structure in splicing part；
Fig. 9 is the structural representation in splicing part using luffing lifting structure；
Figure 10 is Fig. 9 side view；
Figure 11 is the mounting structure schematic diagram using one embodiment of jib lubbing mechanism used during luffing lifting structure.
Description of reference numerals
1st, tension part；2nd, screen box；3rd, stirring part；4th, splicing part；5th, screen cloth；6th, the first support beam；7th, sieve nest；8、
Second support beam；9th, excitation beam of vibration；10th, ring-grooved rivet；11st, vibrating motor；12nd, side plate；13rd, damping means；31st, driving part；
32nd, body structure；321st, cover plate；322nd, supporting plate；323rd, seam；324th, hanger；325th, stirring part side plate；33rd, stirring
Structure；331st, stirring bottom plate；332nd, stirring side plate；34th, stirring wear strip；35th, mounting flange；36th, expansion set；37th, crank；38、
Bearing；39th, rotating shaft；41st, splicing structure；411st, splicing bottom plate；412nd, splicing side plate；42nd, splicing wear strip；43rd, lifting structure；
431st, installation portion；432nd, lifting portion；43 ', sub- lifting blade；44th, lifting wear strip；45th, flexible member；46th, sleeve；47th, gusset；
48th, bolt；49th, fixed plate.
Embodiment
The present invention described further below.In the following paragraphs, the different aspect of embodiment is defined in more detail.So
The each side of restriction can be combined with any other one side or many aspects, not can be combined unless explicitly stated otherwise.Especially,
Be considered as preferred or favourable any feature can it is one or more with other be considered as preferred or favourable feature group
Close.
The description merely for convenience such as " first ", " second " that occurs in present invention term, has same names to distinguish
Different building blocks, be not offered as successively or primary-slave relation.
In the description of the invention, it is to be understood that term " length ", " width ", " height ", " on ", " under ",
The orientation or position relationship of the instruction such as "left", "right", " preceding " and " rear " are, based on orientation shown in the drawings or position relationship, to be only
For the ease of the description present invention, rather than indicate or imply that signified device there must be specific orientation, with specific orientation
Construction and operation, therefore it is not intended that limiting the scope of the invention.
Due to vibratory sieve of the prior art, to there is cloth uneven and hold susceptible to plugging shortcoming, thus can cause vibratory sieve
Screening efficiency it is low.Therefore, the present invention proposes a kind of distribution device, referring to figs. 1 to Figure 11, for changing falling material
Arrangement mode and discharging track.Following for be easy to describe the distribution device can achieve the effect that, below with the cloth dress
Put for being illustrated exemplified by vibratory sieve, certain distribution device can also be used for other occasions.In order to make this area skill
Art personnel more clearly understand the application mode of distribution device, and the structure type of vibratory sieve is next provided first.
As shown in figure 1, vibratory sieve mainly includes vibrating motor 11, excitation beam of vibration 9, sieve nest 7, screen box 2 and damping means 13 etc..
Screen box 2 is made up of frame structure and sealing plate, plays support sieve nest 7 and sealed, material inlet is located at the top of screen box 2.
Sieve nest 7 is connected by damping means 13 with screen box 2, and sieve nest 7 mainly includes side plate 12, the first support beam 6, the second support beam 8, sieve
Net 5, excitation beam of vibration 9, vibrating motor 11, tension part 1, one end of screen cloth 5 are hooked in the second support beam 8, and the other end is hooked on
On tension part 1, screen cloth 5 is pressed in the first support beam 6, curved structure.
Excitation beam of vibration 9 is structural I-beam, is welded by high-strength steel sheet, mounting hole, vibrating motor 11 are designed with thereon
On the motor base for being fixed on excitation beam of vibration 9；The two ends of excitation beam of vibration 9 are respectively welded a circular side panel, pass through a ring groove respectively
Rivet 10 is riveted on two blocks of side plates 12 of vibratory sieve or so, and sieve nest 7 is collectively constituted with the first support beam 6 and the second support beam 8
Skeleton.The upper end of damping means 13 is connected by ring-grooved rivet 10 with side plate 12, and lower end is connected by bolt with screen box 2, four vibration damping portions
Part 13 is located at two rear and front ends of side plate 12 respectively, plays support sieve nest 7 and carries out vibration damping to sieve nest 7.
The vibratory sieve of such a asphalt mixing plant, which mainly uses vibrating motor 11, carries out exciting as vibration source, fixed
Two identical vibrating motors 11 do opposite direction synchronous rotary on excitation beam of vibration 9, and the eccentric block of 11 bands of vibrating motor is in rotation
Component of the centrifugal force along two motor planes of symmetry when turning produced by each instantaneous position is overlapped mutually, along two motor pivot institutes
Cancelled out each other in the component of plane, make to be supported on the whole sieve nest 7 on damping means 13 and do reciprocating linear vibration.
In the vibratory sieve shown in Fig. 1, distribution device is located in vibratory sieve close to the position of feeding mouth.In a signal
Property embodiment in, as shown in fig. 6, distribution device include splicing part 4, splicing part 4 include splicing structure 41 and lifting knot
Structure 43, splicing structure 41 has material receiving plane, for receiving the material (such as aggregate) exported from aggregate elevator, lifting knot
Structure 43 has material output face, and for the material accumulated on material receiving plane to be dished out, the material being spilled over can fall in screen cloth 5
On.Material can be shown in arrow M while dishing out, also cloth width from middle material feeding region domain to both sides cloth.
Specifically, as shown in fig. 6, lifting structure 43 is located on the material receiving plane of splicing structure 41, and lifting structure 43
Material output face be gradually distance from the material receiving plane of splicing structure 41 along discharging direction.If distribution device makes after mounting
The material receiving plane of splicing structure 41 is horizontal, and lifting structure 43 can make to fall on the material receiving plane of splicing structure 41
Material output face of the material along lifting structure 43 tilt upward discharging.Referring herein to discharging direction include and material throw
The consistent or close direction of outgoing direction, and " pan feeding " and " discharging " mentioned in text is for distribution device.
Splicing structure in the embodiment can reduce the speed of material particles, it is to avoid material directly impacts screen cloth, to carry
The life-span of high screen cloth.Lifting structure can change the movement locus of discharging, and material is from falling in splicing structure to moving to lifting
The discharging end of structure, unloading position gradually rises, and can improve the discharge height of material, fortune of the extension material on splicing part
Dynamic distance, can increase discharging direction and the angle of screen cloth of material, be conducive to the saturating sieve of material, so as to improve the sieve of vibratory sieve
Component efficiency；And the distribution device is simple in construction, cloth uniform, save energy consumption and space.It is logical that such a distribution device, which is not,
Crossing " resistance material " mode causes thickness of feed layer identical, but realizes uniform distribution, the inclination angle of lifting structure by " dredging material " mode
Degree is that, along stream direction, the flow direction of bootable material, and resistance is smaller.
Preferably, with reference to Fig. 8, lifting structure 43 is located on the material receiving plane of splicing structure 41 along discharging direction close to outer
The position of side.This structure type can increase the area of the material receiving plane of splicing structure 41 as far as possible, to increase in inlet amount
When big, most of material is set to fall the reduction pan feeding speed on material receiving plane in advance, then pass through the material of lifting structure 43
Output face is oblique to be thrown off, and further material can be avoided directly to impact screen cloth, to improve the life-span of screen cloth.
In a kind of structure type, as shown in fig. 6, splicing structure 41 includes splicing bottom plate 411 and three blocks of splicing side plates 412
The body structure of formation, material receiving plane is located on splicing bottom plate 411, is slowed down for the material to whereabouts.Wherein two pieces
Splicing side plate 412 is respectively provided at two ends of the splicing bottom plate 411 along cloth width, for passing through multiple ring-grooved rivets and vibration
Two side plates 12 of sieve are fixedly connected, and splicing part 4 is fixedly connected with sieve nest 7.
Other one block of splicing side plate 412 be located at along discharging the one end of direction away from lifting structure 43, for stop material from
The reverse outflow in discharging direction, the block splicing side plate 412 can also form L-shaped bending plate with splicing bottom plate 411, and bending angle be
90 °~120 °.
As shown in Figure 6 and Figure 8, the material output face of lifting structure 43 is higher than two on cloth width in pan feeding region
The ridge shape of side.The tip position of ridge material output face is corresponding with pan feeding region, it is preferable that pan feeding region is located at lifting
The centre position of structure 43.The material output face of ridge shape can linearly decline trend, or press from tip position to both sides
Successively decrease according to other curvilinear paths.
The material output face of lifting structure 43 is conducive to material automatic uniform on cloth width in mountain ridge-like structure
Distribution, improves the utilization rate of screen cloth 5, reduces the percentage of plugged hole of screen cloth 5.This structure type, which is also possible that, carrys out the lifting of self-heating aggregate
The heterogeneous material of machine tends to uniform distribution.
In a kind of structure type, lifting structure 43 can be formed by platy structure, such as symmetrical by two panels in Fig. 8
Bending plate is welded, and forms the low ridge structure in middle high both sides.Lifting structure 43 includes being collectively forming the installation of bending plate
Portion 431 and lifting portion 432, installation portion 431 are used for by way of welding or fastener are installed the thing for being fixed on splicing structure 41
Expect on receiving plane, material output face is located in lifting portion 432.
For the lifting structure 43 shown in Fig. 8, determining the major parameter of the performance of lifting structure 43 includes：Lifting structure 43 away from
Length L2, angle of inclination beta and folding apart from L1, lifting portion 432 along discharging direction of the splicing bottom plate 411 away from the one end of lifting structure 43
Bent angle γ, the comprehensive selection of four parameters is multifactor certainly by pan feeding speed, treating capacity, material particular diameter, vibratory sieve amplitude, frequency etc.
It is fixed.For cloth width, the material output face of lifting structure 43 is the low mountain ridge-like structure in middle high both sides, ridge
Shape is mainly determined by bending angle γ and angle of inclination beta.
Wherein, L1 be the free end of 43 installation portion of lifting structure 431 away from splicing bottom plate 411 away from the one end of lifting structure 43 away from
From mainly being determined by the drop point site of material.Discharging direction (i.e. the length direction of vibratory sieve) on, from splicing bottom plate 411 to
The end of lifting structure 43, unloading position gradually rises, and is more than material drop point away from splicing bottom plate 411 away from lifting structure 43 apart from L1
The distance of one end, causes windrow to avoid material from directly falling in lifting structure 43.Meanwhile, L1 is less than material drop point away from splicing
Twice of distance of the bottom plate 411 away from the one end of lifting structure 43, to avoid because material movement reduces too fast apart from long and speed
Cause windrow.
L2 is the length stroke of lifting structure, is mainly determined by the speed of material, speed is bigger, and L2 is longer.Preferably, L2
Take 0.1~0.3 times of material move distance per second.
Free ends and splicing structure 41 on cloth width splicing side plate 412 of the β for the installation portion 431 of lifting structure 43
Angle, mainly determined by the inhomogeneities of pan feeding, material more concentrates on the pan feeding region of splicing structure 41, β angles are smaller because
Material more concentrates on pan feeding region (such as intermediate region), it is meant that the material-distributing action that lifting structure 43 is played is more obvious, and this is just
Need mountain ridge-like structure steeper, thus correspond to smaller β angles.Preferably, the span of angle of inclination beta is 30 °~80 °.
γ is the bending angle of tabular lifting structure 43, depends primarily on the pan feeding speed of material, speed is bigger, and γ angles are bigger,
To reduce pan feeding speed, it is ensured that cloth effect, be conducive to reducing impact of the material to screen cloth 5.Preferably, bending angle γ takes
It is 0 °~60 ° to be worth scope.
In another structure type, as shown in figure 9, lifting structure 43 includes two be independently arranged along cloth width
Block lifting blade 43 ', sub- lifting blade 43 ' can be with plate-like structure.Two pieces of sub- lifting blades 43 ' one end close to each other is in material feeding region
It is spaced apart at domain, the material that one end that two pieces of sub- lifting blades 43 ' are located remotely from each other is rotatably connected to splicing structure 41 is received
On face, for example, it is connected in articulated manner on splicing bottom plate 411.
The distribution device of such a structure has following occupation mode：Before material enters vibratory sieve, according to the entrance of material
Measure the inclination angle of pre-adjusted two pieces of sub- lifting blades 43 '；Or material makes two during being spilled over by lifting structure 43
The inclination angle of block lifting blade 43 ' changes in real time.
In order to realize the change at the sub- inclination angle of lifting blade 43 ', splicing part 4 may also include jib lubbing mechanism, and jib lubbing mechanism is located at
Between sub- lifting blade 43 ' and splicing structure 41, for example, it is located between sub- lifting blade 43 ' and splicing bottom plate 411, son can be adjusted and raised
The angle of inclination of flitch 43 '.Jib lubbing mechanism can be such that sub- lifting blade 43 ' is rotated a little around splicing bottom plate 411, leave material
Looser during lifting structure 43, when entering screen cloth 5, the area of screen cloth 5 that material particles group takes is bigger, increases lifting and spreads
Cloth effect, so as to further improve the sieve performance of vibratory sieve.
In a kind of way of realization, jib lubbing mechanism drives by external drive part, so that the inclination angle of sub- lifting blade 43 ' is pressed
According to certain rule or random change, so as to realize that sub- lifting blade 43 ' is rotated a little around splicing bottom plate 411.
In another way of realization, jib lubbing mechanism can passively be adjusted in the presence of material is to sub- lifting blade 43 '
The angle of inclination of sub- lifting blade 43 '.When in the material output face of material movement to sub- lifting blade 43 ', due to the effect of gravity
With the irregular motion of particle, sub- lifting blade 43 ' can be made to be rotated a little around splicing bottom plate 411, in the process jib lubbing mechanism quilt
Compel to adjust deflection with the rotation of sub- lifting blade 43 '.In order to ensure uniform force, multiple jib lubbing mechanisms can be set.
Preferably, as shown in Figure 10, jib lubbing mechanism includes flexible member 45, such as stage clip or other high temperature resistants elasticity member
Part, every sub- lifting blade 43 ' is arranged at intervals multiple flexible members 45 along cloth width, and every sub- lifting blade 43 ' is right
The multiple flexible members 45 answered gradually increase along the directional stiffness away from pan feeding region, to ensure sub- lifting blade 43 ' in generation
Torsion is occurred without during micro- angle rotation.
Figure 11 provides the installing mechanism schematic diagram of flexible member 45, if selection stage clip, by up and down the two of flexible member 45
End is arranged in sleeve 46, and lower sleeve 46 is bolted on splicing bottom plate 411, in the lower surface of sub- lifting blade 43 '
Fixed plate 49 is welded with, and is strengthened by gusset 47, upper end sleeve 46 is arranged in fixed plate 49 by bolt 48, thus will
Flexible member 45 is arranged on sub- lifting blade 43 ' between splicing bottom plate 411.
In order to improve the wearability of splicing structure 41, as shown in fig. 6, splicing part 4 also includes multiple splicing wear strips 42,
Multiple splicing wear strips 42 are located on the material receiving plane of splicing structure 41 along discharging direction interval.Preferably, each splicing
It is arranged in parallel, and can be fixed on by way of welding on splicing bottom plate 411 between wear strip 42.Splicing wear strip 42 mainly rises
To the effect of the material receiving plane of protection splicing structure 41.
Fig. 7 gives the structural representation of single splicing wear strip 42, and splicing wear strip 42 is L-shaped bending plate, its length
It is consistent with length of the splicing bottom plate 411 on cloth width, the height of the intermediate region of bending plate vertical portion is higher than
Both sides.The low structure in this high both sides in centre is conducive to material to be uniformly distributed on cloth width.Determine splicing wear strip
The major parameter of 42 performances includes height m, horizontal top margin length L0 and hypotenuse angle [alpha], and these three parameters are mainly averaged by aggregate
Particle diameter, vibratory sieve treating capacity and pan feeding concentration situation etc. determine that material average grain diameter is bigger, and treating capacity is bigger, and pan feeding is more concentrated,
Three parameters are bigger.
For the specific parameter setting of splicing wear strip 42, the bending angle of L-shaped bending plate is 80 °~110 °；L-shaped bending
The height of plate vertical portion is 1/10~2 times of thickness of feed layer；The horizontal smaller sub-material effects of top margin length L0 are better, and general control exists
Within 1/2 times of vibratory sieve width；Two hypotenuse angle controls are in the range of 10 °~90 °.
With reference also to Fig. 6, in order to improve the wearability of lifting structure 43, splicing part 4 may also include multiple lifting abrasionproofs
Plate 44, multiple lifting wear strips 44 are located in the material output face of lifting structure 43 along discharging direction interval.Preferably, each
It is be arranged in parallel between lifting wear strip 44, length of its length with splicing bottom plate 411 on cloth width is consistent, and
It can be fixed on by way of welding in the material output face of lifting structure 43.Lifting wear strip 44 mainly plays protection lifting structure
43 effect, reduces the abrasion between material and lifting structure 43, improves the service life of lifting structure.
The lifting process of feeding-distribution device is specifically addressed with reference to the splicing part 4 shown in Fig. 6.Material, which falls, to be connect
When expecting on part 4, it is deposited in first in the space between multigroup splicing wear strip 42, being deposited in material in space also can be with
The continuous entrance of material and constantly update, enter back into the material of vibratory sieve will fall be deposited in multigroup bottom splicing wear strip 42 it
Between material above, material and material friction, so that avoiding material directly impacts splicing part 4, reduce material and splicing bottom
Contact friction and rolling friction between plate 411, improve the service life of splicing part 4.
When being spilled over into the material of splicing part 4 by lifting structure 43, except along the length direction of screen cloth 5 (discharging direction)
The trend travelled forward outside, the scattered trend of the also oriented width of screen cloth 5 (cloth width), the material of ridge shape is defeated
Be conducive to being uniformly distributed for material, so as to improve the utilization rate of screen cloth 5, improve the sieve performance of vibratory sieve.Lifting structure
43 material output face is from splicing bottom plate 411 to the end of lifting structure 43, and unloading position gradually rises, and improves material discharging high
Degree, makes material have the trend moved upwards, and such material makees oblique upper paraboloiding movement after leaving lifting structure 43.The structure can increase
The angle of velocity attitude and screen cloth 5 when big material at the beginning of screen cloth with contacting so that material is more beneficial for sieve, so as to improve vibration
The screening efficiency of sieve, can also effectively reduce the percentage of plugged hole of screen cloth.
As can be seen here, distribution device of the invention is simple in construction, has that cloth is uniform, high screening effect during for vibratory sieve
Rate, high screen cloth utilization rate, the advantage of low screen cloth percentage of plugged hole.
As interchangeable form, the quantity of lifting structure 43 can be it is single or multiple, can be along vibratory sieve length or width
Direction arrangement is spent, the shape of lifting structure 43 can also be designed according to the actual requirements.At the angle of inclination of sub- lifting blade 43 '
In variable embodiment, way of realization, the type of flexible member 45 and mounting means of jib lubbing mechanism etc. can be according to demand
Design.Above-mentioned these similar modifications and replacement belong to protection scope of the present invention.
On the basis of each above-mentioned embodiment, as shown in Figures 1 to 5, distribution device of the invention also includes stirring portion
Part 3, stirring part 3 is also provided in close to the position of feeding mouth in vibratory sieve, and positioned at the top of splicing part 4, for changing material
Conveying direction, to make material fall on splicing part 4 under the first rollover states, and fall material under the second rollover states
Region beyond splicing part 4.
During normal work, stirring part 3 is in the first rollover states shown in Fig. 3, the feeding mouth that material passes through vibratory sieve
Into in vibratory sieve, fall deceleration is realized on stirring part 3 first, material is then accepted by splicing part 4, screen cloth is finally thrown
On 5.The multiple aggregate finished bins of correspondence immediately below vibratory sieve, aggregate finished bin bottom is used to flow out aggregate provided with bin gate.Stirring
Splicing structure 41 in part 3 and splicing part 4 can reduce the speed of material particles, to avoid the direct impact screen of material
Net 5, improves the service life of screen cloth 5.Aggregate when aggregate elevator conveying is unqualified or because other reasons need not be entered
When entering vibratory sieve, stirring part 3 switches to the second rollover states shown in Fig. 4, and material enters waste material discharging bin, and by setting
Waste material delivery pipe in waste material discharging bin bottom discharges asphalt mixing plant.
Specifically, as shown in Figure 3 and Figure 4, stirring part 3 includes driving part 31 and stirring structure 33, driving part 31
For driving stirring structure 33 to rotate, stirring structure 33 is oblique when in the first rollover states and the second rollover states
State, can so be such that the material of entrance more falls glibly on splicing part.Wherein, driving part 31 can export rotation fortune
It is dynamic, for example select motor；Or driving part 31 can also linear movement output, by with other motions coordinate be converted to
The rotary motion of stirring structure 33, such as driving part 31 selects hydraulic cylinder, cylinder or linear electric motors.
Further, the installation in order to realize driving part 31 and stirring structure 33 is fixed, in conjunction with Fig. 2 and Fig. 5, stirring
Part 3 is also included in body structure 32 and crank mechanism, stirring structure 33 along the both sides of cloth width provided with rotating shaft 39, turns over
Material structure 33 is rotatably arranged in body structure 32 by rotating shaft 39, and driving part 31 is located normal to the plane of rotating shaft 39
It is interior, and by crank mechanism stirring structure 33 can be driven to rotate.
Wherein, body structure 32 includes being located at the cover plate 321 of bottom, is enclosed in the stirring part side plate 325 of side, is located at
The supporting plate 322 at top, cover plate 321 is the top plate of sieve box of vibrating 2.And the rank of such as rectangle is provided with supporting plate 322
Interface 323, for realizing being flexible coupling between aggregate elevator and vibratory sieve, makes the material that hot aggregate elevator is exported pass through rank
Interface 323 enters inside vibratory sieve.One end of seam 323 is welded in supporting plate 322, and the other end passes through bolt and hot aggregate
The resistant to elevated temperatures packing cloth connection in elevator lower end.In addition, hanger 324 is also welded with the edge of supporting plate 322, to facilitate stirring
The lifting of part 3.
In order to improve the wearability of stirring structure 33, stirring part 3 also includes multiple stirring wear strips 34, and multiple stirrings are prevented
Nog plate 34 is located at the face that stirring structure 33 is used to receive material, energy along discharging direction (or length direction of vibratory sieve) interval
Enough extend the service life of stirring structure 33, it is to avoid cause stirring structure 33 heavy wear occur after long-term use.Preferably, turn over
It can be rectangular plate-like structure to expect structure 33, and stirring wear strip 34 is abreast welded in stirring structure 33, mainly play protection and turn over
Expect that between the effect of structure 33, multiple rows of stirring wear strip 34 partial material can be saved bit by bit, it is to avoid aggregate directly contacts stirring structure
33 and cause to wear and tear and damage, but also can play reduction material falling speed, reduce to screen cloth 5 impact effect.
As shown in figure 5, specifically, stirring structure 33 includes stirring bottom plate 331 and stirring side plate 332, two stirring side plates
332 are fixed on two ends of the stirring bottom plate 331 along cloth width, and stirring side plate 332 is provided with mounting flange 35, rotating shaft 39
One end is fixed on stirring side plate 332 by mounting flange 35, and rotating shaft 39 is supported on the stirring of body structure 32 by bearing 38
On part side plate 325.There is perforate in the middle of stirring part side plate 325, facilitate the installation of stirring structure 33, the two ends of stirring structure 33 point
It is not connected by bearing 38 with stirring part side plate 325 so that stirring structure 33 is merely able to the hole on stirring part side plate 325
Axis rotates.
Driving part 31 is connected by crank 37 with the free end of rotating shaft 39, for by being biased relative to pivot
The driving stirring of crank 37 structure 33 is rotated, to control stirring direction.In the rotating shaft 39 of the one end of stirring structure 33 by expansion set 36 with
Small cambered surface end connection on crank 37, the other end of crank 37 is connected with driving part 31, if selection cylinder is used as drive division
Part 31, the other end of crank 37 is attached on the piston rod shaft end of cylinder, and the other end of cylinder is fixed in supporting plate 322.
Stirring part 3 is used for the conveying direction for changing material.During normal work, the piston rod of cylinder is in retracted mode,
As shown in figure 3, the state of stirring structure 33 is as shown in figure 3, seam 323 of the material through hot aggregate elevator and vibratory sieve enters
Vibratory sieve.When the aggregate that hot aggregate elevator conveying comes is unqualified or its his reason need not enter vibratory sieve, the work of cylinder
Stopper rod stretches out, as shown in figure 4, the state of stirring structure 33 is as shown in figure 4, material discharges mixing station through waste material conveyance conduit.
Secondly, present invention also offers a kind of vibratory sieve, as shown in figure 1, including the cloth dress described in the various embodiments described above
Put, distribution device is located at close to the position of feeding mouth in the vibratory sieve, to carry out cloth when material has just enter into vibratory sieve.
Further, with reference to shown in 6, vibratory sieve also includes side plate 12 and sieve nest 7, and splicing structure 41 is along cloth width
Two ends be located on side plate 12, splicing part 4 is fixed on sieve nest 7.Other concrete structures on vibratory sieve are being introduced
Detailed description is just given during feeding-distribution device, is just repeated no more herein.
The distribution device of the present invention can be applied in various types of vibratory sieves, for example linear vibrating screen, circular shale shaker, ellipse
Circular shale shaker, high frequency shale shaker, sieve bend, equal thick screen, probability screen, cold jig, Thermal griddle and section fat sieve etc..
Finally, present invention also offers the vibratory sieve of a kind of asphalt mixing plant, including above-described embodiment.Due to such a vibration
Sieve has the advantages that uniform cloth, high screening efficiency, high screen cloth utilization rate, low screen cloth percentage of plugged hole by setting distribution device, because
And the asphalt mixing plant of the present invention also has higher operating efficiency.
A kind of distribution device provided by the present invention, vibratory sieve and asphalt mixing plant are described in detail above.This
Apply specific embodiment in text to be set forth the principle and embodiment of the present invention, the explanation of above example is
It is used to help understand the method and its core concept of the present invention.It should be pointed out that coming for those skilled in the art
Say, under the premise without departing from the principles of the invention, some improvement and modification can also be carried out to the present invention, these improve and modified
Also fall into the protection domain of the claims in the present invention.
Claims (17)
1. a kind of distribution device, it is characterised in that including splicing part (4), the splicing part (4) includes that there is material to receive
The splicing structure (41) in face and the lifting structure (43) with material output face, the lifting structure (43) are located at the splicing knot
On the material receiving plane of structure (41), and the material output face of the lifting structure (43) is gradually distance from described connect along discharging direction
Expect the material receiving plane of structure (41), can make to fall material on the material receiving plane of the splicing structure (41) along described
The material output face of lifting structure (43) tilts upward discharging.
2. distribution device according to claim 1, it is characterised in that the lifting structure (43) is located at the splicing structure
(41) along position of the direction close to outside that discharge on material receiving plane.
3. distribution device according to claim 1, it is characterised in that the material output face of the lifting structure (43) is in cloth
Expect the ridge shape in pan feeding region higher than both sides on width.
4. distribution device according to claim 3, it is characterised in that the lifting structure (43) is included along cloth width side
To two pieces be independently arranged sub- lifting blades (43 '), two pieces of sub- lifting blades (43 ') one end close to each other is at pan feeding region
It is spaced apart, one end that two pieces of sub- lifting blades (43 ') are located remotely from each other is rotatably connected to the splicing structure (41)
On material receiving plane.
5. distribution device according to claim 4, it is characterised in that the splicing part (4) also includes jib lubbing mechanism, institute
State jib lubbing mechanism to be located between the sub- lifting blade (43 ') and the splicing structure (41), the sub- lifting blade can be adjusted
The angle of inclination of (43 ').
6. distribution device according to claim 5, it is characterised in that the jib lubbing mechanism can be raised in material to the son
The angle of inclination of the sub- lifting blade (43 ') is passively adjusted in the presence of flitch (43 ').
7. distribution device according to claim 6, it is characterised in that the jib lubbing mechanism includes flexible member (45), often
The individual sub- lifting blade (43 ') is arranged at intervals multiple flexible members (45), and each son along cloth width
The corresponding multiple flexible members (45) of lifting blade (43 ') gradually increase along the directional stiffness away from pan feeding region.
8. distribution device according to claim 1, it is characterised in that the splicing structure (41) includes splicing bottom plate
(411) and three pieces of splicing side plates (412), three blocks of splicing side plates (412) are respectively provided at the splicing bottom plate (411) along cloth
Two ends of width and along the discharging one end of direction away from the lifting structure (43), the material receiving plane is located at described
On splicing bottom plate (411).
9. distribution device according to claim 1, it is characterised in that the splicing part (4) also includes multiple splicings and prevented
Nog plate (42), the material that multiple splicing wear strips (42) are located at the splicing structure (41) along discharging direction interval is received
On face；Or
The splicing part (4) also includes multiple lifting wear strips (44), and multiple lifting wear strips (44) are along discharging side
In the material output face that the lifting structure (43) is located to interval.
10. distribution device according to claim 9, it is characterised in that the splicing wear strip (42) is L-shaped bending plate,
The height of the intermediate region of the bending plate vertical portion is higher than both sides.
11. according to any described distribution device of claim 1~10, it is characterised in that described also including stirring part (3)
Stirring part (3) is located above the splicing part (4), the conveying direction for changing material, with the first rollover states
Material is fallen on the splicing part (4), and material is fallen beyond the splicing part (4) under the second rollover states
Region.
12. distribution device according to claim 11, it is characterised in that the stirring part (3) includes driving part
(31) and stirring structure (33), the driving part (31) is used to drive the stirring structure (33) to rotate, the stirring structure
(33) it is inclined when in the first rollover states and the second rollover states.
13. distribution device according to claim 12, it is characterised in that the stirring part (3) also includes body structure
(32) rotating shaft (39), the stirring knot and crank mechanism, are provided with along the both sides of cloth width on the stirring structure (33)
Structure (33) is rotatably arranged in the body structure (32) by rotating shaft (39), and the driving part (31) is perpendicular to described turn
Axle (39) is set, and by the crank mechanism stirring structure (33) can be driven to rotate.
14. distribution device according to claim 12, it is characterised in that the stirring part (3) also includes multiple stirrings
Wear strip (34), multiple stirring wear strips (34) are located at the stirring structure (33) along discharging direction interval to be used to receive
On the face of material.
15. a kind of vibratory sieve, it is characterised in that including any described distribution device of claim 1~14, the distribution device
It is located in the vibratory sieve close to the position of feeding mouth.
16. vibratory sieve according to claim 15, it is characterised in that also including side plate (12) and sieve nest (7), the splicing
Two ends of the structure (41) along cloth width are located on the side plate (12), and the splicing part (4) is fixed on into sieve nest
(7) on.
17. a kind of asphalt mixing plant, it is characterised in that including the vibratory sieve described in claim 15 or 16.
Priority Applications (1)
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|---|---|---|---|
| CN201710302775.8A CN106964537B (en) | 2017-05-03 | 2017-05-03 | Distributing device, vibrating screen and asphalt mixing station |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710302775.8A CN106964537B (en) | 2017-05-03 | 2017-05-03 | Distributing device, vibrating screen and asphalt mixing station |
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| CN106964537B CN106964537B (en) | 2023-07-04 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108018756A (en) * | 2017-11-28 | 2018-05-11 | 郎溪县恒云工程机械有限公司 | Container-type environment-friendly type asphalt mixing plant |
| CN110508484A (en) * | 2018-05-22 | 2019-11-29 | 河北寰球工程有限公司 | The cloth of Wet oscillating screen, slurrying are fed chute |
| CN113953176A (en) * | 2021-10-18 | 2022-01-21 | 江苏徐工工程机械研究院有限公司 | Vibrating screen and control system thereof |
| CN114474480A (en) * | 2022-01-11 | 2022-05-13 | 中国神华煤制油化工有限公司 | Vibrating screen inlet receiving device and polyethylene production equipment |
| CN116371717A (en) * | 2023-05-15 | 2023-07-04 | 河南理工大学 | Multi-degree-of-freedom large-deflection elastic vibration screening system and regulation and control method |
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| CN116371717B (en) * | 2023-05-15 | 2023-11-03 | 河南理工大学 | Multi-degree-of-freedom large-deflection elastic vibration screening system and regulation and control method |
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