CN110280476A - It is anti-to run thick vibrating screen - Google Patents
It is anti-to run thick vibrating screen Download PDFInfo
- Publication number
- CN110280476A CN110280476A CN201910734316.6A CN201910734316A CN110280476A CN 110280476 A CN110280476 A CN 110280476A CN 201910734316 A CN201910734316 A CN 201910734316A CN 110280476 A CN110280476 A CN 110280476A
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- CN
- China
- Prior art keywords
- screen
- polyurethane
- vibration
- cabinet
- polyurethane screen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229920002635 polyurethane Polymers 0.000 claims abstract description 106
- 239000004814 polyurethane Substances 0.000 claims abstract description 106
- 238000012216 screening Methods 0.000 claims abstract description 30
- 229910000831 Steel Inorganic materials 0.000 claims description 31
- 239000010959 steel Substances 0.000 claims description 31
- 238000009434 installation Methods 0.000 claims description 15
- 239000004744 fabric Substances 0.000 claims description 11
- 239000011148 porous material Substances 0.000 claims description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 3
- 229910021529 ammonia Inorganic materials 0.000 claims description 2
- 125000006850 spacer group Chemical group 0.000 claims description 2
- 150000002148 esters Chemical class 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 27
- 230000008901 benefit Effects 0.000 abstract description 10
- 238000005299 abrasion Methods 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 17
- 230000008569 process Effects 0.000 description 15
- 230000000694 effects Effects 0.000 description 7
- 238000007789 sealing Methods 0.000 description 6
- 238000007873 sieving Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000003912 environmental pollution Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- -1 Poly- ammonia Ester Chemical class 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 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
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for 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
- 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
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a kind of anti-thick vibrating screen of race, including screen frame (unit), screen frame (unit) is equipped with vibration cabinet, is equipped with seal closure at the top of screen frame (unit)；The right part of seal closure is connected with feed inlet；Bar screen plate is equipped in vibrating bin body, the vibration cabinet of bar screen plate left end is equipped with level-one coarse fodder discharge port；Polyurethane screen is equipped with below bar screen plate；Vibration cabinet below polyurethane screen is connected with screenings discharge port, and the vibration cabinet of polyurethane screen left end is equipped with second level coarse fodder discharge port；Screenings discharge port extends downward into screen frame (unit) bottom end.The present invention advantage good using bar screen plate wearability, sets first of sieve for bar screen plate, not only prevents bulk materials impact, abrasion polyurethane screen, also substantially reduces the material quantity and granular size for falling into polyurethane screen.Polyurethane screen then further sieves the screenings of bar screen plate, avoids bar screen plate and runs rough and careless higher defect.
Description
Technical field
The present invention relates to a kind of screening plants.
Background technique
Continuous improvement now with country to environmental requirement, steel industry are response national requirements energy-saving and emission-reduction and low-carbon
Metallurgy is badly in need of novel screening plant.
Bar screen plate has the advantages that wear-resisting, therefore is widely applied in steel industry.But bar screen plate is also simultaneously
With the rough and careless higher problem of race.Bar screen plate has scheduled Sieving and casing, and the material greater than scheduled Sieving and casing should be
Oversize, the material less than scheduled Sieving and casing should be screenings, run and slightly refer to that the material greater than scheduled Sieving and casing leads to
Bar screen plate is crossed as screenings.Polyurethane screen has the advantages that race is rough and careless lower, but wearability is poor, is especially sieving
It is easier to damage when compared with big steel particle.
Summary of the invention
The purpose of the present invention is to provide a kind of anti-thick vibrating screens of race, have both the wear-resistant and rough and careless low advantage of race.
To achieve the above object, the thick vibrating screen of anti-race of the invention includes screen frame (unit), and screen frame (unit) is equipped with vibration cabinet, screen frame (unit) top
Portion is equipped with seal closure, and seal closure is higher than vibration cabinet and adjacent with cabinet is vibrated；
The right part of seal closure is connected with feed inlet, and feed inlet is for being connected to external feed pipe；
The lower part of vibration cabinet is connected with vibration device；Right high left low bar screen plate is equipped in vibrating bin body, bar screen plate
Right part is located at the lower section of feed inlet；The vibration cabinet of bar screen plate left end is equipped with level-one coarse fodder discharge port；
The polyurethane screen being arranged with bar screen plate parallel interval is equipped with below bar screen plate, the sieve pore of polyurethane screen is less than stick
The sieve pore of bar sieve plate；
Vibration cabinet below polyurethane screen is connected with screenings discharge port, and the vibration cabinet of polyurethane screen left end is equipped with
Second level coarse fodder discharge port；Screenings discharge port extends downward into screen frame (unit) bottom end.
The periphery of seal closure is connected with downwards connecting cylinder, and upper connecting cylinder is located at the outside of the circumferential edge of vibration cabinet；
The bottom end of upper connecting cylinder is equipped with upper horizontal flanging；The top perimeter of vibration cabinet is connected with lower connecting cylinder, and lower connecting cylinder is equipped with
It is lauched flat-folded side；It upper horizontal flanging and is lauched between flat-folded side and is connected with sleeve made of watering cloth.
Several bullets are equipped at intervals with along the length direction of polyurethane screen, below polyurethane screen to play ball device；
Bullet play ball device include top opening bullet shake out body, play shake out body be arranged and connect along the width direction of polyurethane screen
On vibration cabinet；It plays to separate in shake out body and beats chamber equipped with multiple bullets, polyurethane screen closes the top opening that each bullet beats chamber；Respectively
Bullet, which is beaten, intracavitary to be respectively equipped with flexible bullet and plays ball；Bullet shake out body be tower structure, play shake out body bottom wall and side wall on
Multiple through-holes are evenly distributed with, the diameter that bullet is played ball is greater than the diameter of the through-hole, and the diameter of the through-hole is greater than polyurethane screen
The mesh diameter of net.
It is equipped at intervals with along the length direction of polyurethane screen, below polyurethane screen several polyurethane screens that are used to support
Supporting steel pipe, supporting steel pipe and bullet are played ball the setting of device interval；The rear and front end of supporting steel pipe is connected with vibration cabinet.
The right end of polyurethane screen is equipped with tension-adjusting gear；
Tension-adjusting gear includes the channel steel being connected with vibration cabinet, and channel steel is fixedly connected with fixed mounting plate, is fixedly mounted
Sliding is equipped with tension adjustment axis on plate, and the tension adjustment axis of fixed mounting plate side passes through junction steel plate and polyurethane screen
Right end is fixedly connected, and is had external screw thread on the tension adjustment axis of the fixed mounting plate other side and is threaded with movable installation board,
Spring is arranged on tension adjustment axis between movable installation board and fixed mounting plate.
The left end lower surface of polyurethane screen is embedded with positioning device, and positioning device includes locating rod, is spaced in locating rod
Several steel pipeline sections are arranged with, the left end lower surface of polyurethane screen is equipped with mounting groove, and locating rod and the fixation of steel pipeline section are embedded
In mounting groove；The rear and front end of locating rod is respectively positioned on the side-walls of vibration cabinet, vibrates and is equipped with positioning on the side wall of cabinet
Bolt, positioning bolt penetrate locating rod, and the outer end of positioning bolt is located at the wall outer surface of vibration cabinet and has bolt head,
Pressure is equipped with gasket between bolt head and the side wall for vibrating cabinet.
The vibration device is thin oil vibrator, including vibrating motor, is connected with eccentric wheel on the axis of vibrating motor.
The thin oil vibrator is provided with two sets, and the direction of rotation of the eccentric wheel of two sets of thin oil vibrators is opposite.
The present invention has the advantage that
The material for initially entering sieve has stronger erosion；The present invention advantage good using bar screen plate wearability, by stick
Bar sieve plate is set as first of sieve, carries out scalping to the material for entering sieve, and it is poly- to not only prevent bulk materials impact, abrasion
Urethane sieve also substantially reduces the material quantity and granular size for falling into polyurethane screen, protects polyurethane screen.Poly- ammonia
Ester sieve then further sieves the screenings of bar screen plate, avoids bar screen plate and runs rough and careless higher defect, ensure that this
Invention has lower race rough and careless on the whole.
It upper horizontal flanging and is lauched between flat-folded side and is connected with sleeve made of watering cloth, in this way in seal closure and vibrating bin
It forms and is flexible coupling between body, the vibration for vibrating cabinet will not pass to seal closure by watering cloth, thus seal closure both plays
Good sealing function is not involved in vibration again during the work time, alleviates the load of vibrating motor, thus has what low energy consumption
Advantage.
Cabinet is vibrated in vibration processes, and upper horizontal flanging can accordingly be vibrated with the distance between flat-folded side is lauched.
Watering cloth has elasticity, can adapt to the oscillation of above-mentioned distance, can be always in vibration cabinet and seal closure in vibration processes
Between keep sealing state, prevent the dust generated in vibration processes by vibration cabinet and seal closure between gap be dispersed into
In environment, guarantee that During Process of Screening of Vibration Screen is free from environmental pollution.
Vibration device is arranged in vibration lower box, both significantly reduced the center of gravity of vibrating screen, and it is anti-also to improve safety
Grade is protected, the resonance time opened, shut down is reduced, improves screening efficiency, the daily management maintenance for vibration device of being more convenient for.
It is run in the thick vibrating screen course of work anti-, under the effect of vibration of vibration cabinet and polyurethane screen, each bullet is beaten
Ball, which is ceaselessly beaten in chamber in bullet, to jump, hits polyurethane screen, to promote the material being stuck in polyurethane screen or downward
By polyurethane screen, or polyurethane screen is popped up again, and then play the role of preventing sieve from blocking.
Supporting steel pipe plays support polyurethane screen, polyurethane screen is prevented to be bent deformation under the action of material, protects
Card screening work is normally carried out.
There are three types of effects for tension-adjusting gear tool, first is that polyurethane screen easy to disassemble, it is only necessary on tension adjustment axis
Screw off movable installation board, so that it may tension adjustment axis is extracted out from fixed mounting plate, so as to by polyurethane screen together with
Tension adjustment axis takes out from vibration cabinet together；Two are easy for adjusting the tension of polyurethane screen；It is installed by adjusting activity
The pretightning force of position of the plate on tension adjustment axis, the pretightning force of adjustable spring, spring passes through movable installation board, tension tune
Nodal axisn and junction steel plate pass to polyurethane screen, to determine the online tension of polyurethane screen；Third is that polyurethane screen
Play the role of buffer protection；During vibrosieve, if a certain moment polyurethane screen is led to by biggish strength
The compression or diastole of spring are crossed, polyurethane screen is allowed to slide with tension adjustment axis along fixed mounting plate, after external force disappearance again
It can be in the reset response Regression original position of spring, to play the role of buffer protection to polyurethane screen in stress.
On the one hand positioning device can position the position of the left end (and discharge end and lower end) of polyurethane screen, another party
Face is easy for removal and installation.Locating rod, can be mounted on by the positioning bolt for only needing to be packed into or screw off locating rod rear and front end
It is removed on vibration cabinet or from vibration cabinet, provides convenience for installation or removal polyurethane screen.When dismantling polyurethane screen,
Locating rod and polyurethane screen integrated removal are got off and take out vibration cabinet.
If under the driving of vibration force, material exists only with a set of eccentric wheel vibration device (i.e. thin oil vibrator)
The more vertical bounce along longitudinal direction of bar screen plate, is only just moved gradually downward under the effect of gravity；It is revolved using two sets
To opposite thin oil vibrator, can make material under the driving of vibration force to the downstream direction of bar screen plate (i.e. towards on sieve
The direction of object discharge port) movement, thus accelerate the mobile screening process of material, raising screening efficiency.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；The present invention in Fig. 1 towards seeing that the direction of figure people is preceding in Fig. 1
Left-hand is left-hand；Left-hand in Fig. 1 is also the discharging direction of oversize；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is the A-A direction view in Fig. 1；
Fig. 4 is the B-B direction view in Fig. 1；
Fig. 5 is the C-C direction view in Fig. 1；
Fig. 6 is the structural schematic diagram of polyurethane screen left part；
Fig. 7 is the structural schematic diagram that locating rod is connected with the side wall of vibration cabinet；
Fig. 8 is the assembling schematic diagram of polyurethane screen right part.
Specific embodiment
As shown in Figures 1 to 8, the thick vibrating screen of anti-race of the invention includes screen frame (unit) 1, and screen frame (unit) 1 is equipped with vibration cabinet 2, sieve
Seal closure 3 is equipped at the top of frame 1, seal closure 3 is higher than vibration cabinet 2 and adjacent with cabinet 2 is vibrated；
The right part of seal closure 3 is connected with feed inlet 4, and feed inlet 4 is for being connected to external feed pipe；
The lower part of vibration cabinet 2 is connected with vibration device 5；It vibrates in cabinet 2 equipped with right high left low bar screen plate 6, bar screen
The right part of plate 6 is located at the lower section of feed inlet 4；The vibration cabinet 2 of 6 left end of bar screen plate is equipped with level-one coarse fodder discharge port 7；
The polyurethane screen 8 being arranged with 6 parallel interval of bar screen plate is equipped with below bar screen plate 6, the sieve pore of polyurethane screen 8 is small
In the sieve pore of bar screen plate 6；
The vibration cabinet 2 of 8 lower section of polyurethane screen is connected with screenings discharge port 10, the vibration cabinet 2 of 8 left end of polyurethane screen
It is equipped with second level coarse fodder discharge port 9；Screenings discharge port 10 extends downward into 1 bottom end of screen frame (unit).
The material for initially entering sieve from feed inlet 4 has stronger erosion；The present invention utilizes 6 wearability of bar screen plate
Good advantage, sets first of sieve for bar screen plate 6, carries out scalping to the material for entering sieve, not only prevents bulk
Material impact, abrasion polyurethane screen 8, also substantially reduce the material quantity and granular size for falling into polyurethane screen 8, protect
Polyurethane screen 8.Polyurethane screen 8 then further sieves the screenings of bar screen plate 6, avoids bar screen plate 6 and runs slightly
The higher defect of rate, ensure that the present invention on the whole has lower race rough and careless.It runs and rough and careless refers to the material greater than sieve mesh
Into the ratio of screenings.
The periphery of seal closure 3 is connected with downwards connecting cylinder 11, and upper connecting cylinder 11 is located at the circumferential edge of vibration cabinet 2
Outside；The bottom end of upper connecting cylinder 11 is equipped with upper horizontal flanging 12；The top perimeter of vibration cabinet 2 is connected with lower connecting cylinder 13, under
Connecting cylinder 13 is equipped with and is lauched flat-folded side 14；Upper horizontal flanging 12 and being lauched between flat-folded side 14 is connected with set made of watering cloth
Cylinder 15.
It upper horizontal flanging 12 and is lauched between flat-folded side 14 and is connected with sleeve 15 made of watering cloth, in this way in seal closure 3
It forms and is flexible coupling between vibration cabinet 2, the vibration of vibration cabinet 2 will not pass to seal closure 3 by watering cloth, thus close
Sealing cover 3 had both played good sealing function, is not involved in vibration again during the work time, alleviates the load of vibrating motor, thus
Have the advantages that low energy consumption.
Cabinet 2 is vibrated in vibration processes, upper horizontal flanging 12 and is lauched the distance between flat-folded side 14 and can accordingly be occurred
Oscillation.Watering cloth has elasticity, can adapt to the oscillation of above-mentioned distance, can be always in vibration 2 He of cabinet in vibration processes
Sealing state is kept between seal closure 3, prevents the dust generated in vibration processes from passing through between vibration cabinet 2 and seal closure 3
Gap is dispersed into environment, guarantees that During Process of Screening of Vibration Screen is free from environmental pollution.
Vibration device 5 is arranged in vibration cabinet 2 lower part, has both significantly reduced the center of gravity of vibrating screen, also improves safety
Degree of protection reduces the resonance time opened, shut down, and improves screening efficiency, the daily management maintenance for vibration device 5 of being more convenient for.
Along the length direction of polyurethane screen 8, it is equipped at intervals with several bullets below polyurethane screen 8 and plays ball device；
Bullet play ball device include top opening bullet shake out body 16, play shake out body 16 along polyurethane screen 8 width direction be arranged
And it is connected on vibration cabinet 2；It plays to separate in shake out body 16 and beats chamber 17 equipped with multiple bullets, polyurethane screen 8 closes each bullet and beats chamber
17 top is open；Each bullet, which is beaten in chamber 17, to be respectively equipped with flexible bullet and plays ball 18；Bullet shake out body 16 is tower structure, bullet
It is evenly distributed with multiple through-holes on the bottom wall and side wall of shake out body 16, play ball 18 diameter of bullet is greater than the diameter of the through-hole, institute
The diameter for stating through-hole is greater than the mesh diameter of polyurethane screen 8.The screenings for thus falling into bullet shake out body 16, which can pass through, plays shake out
Body 16 is to whereabouts.
Bullet play ball 18 can by polyurethane material or rubber material or silica gel etc. have elastic and stronger wearability material system
At.
It is run in the thick vibrating screen course of work anti-, under the effect of vibration of vibration cabinet 2 and polyurethane screen 8, each bullet
It plays ball and 18 is ceaselessly beaten in chamber 17 in bullet and jump, hit polyurethane screen 8, to promote the material that is stuck in polyurethane screen 8
Perhaps pass downwardly through polyurethane screen 8 or pop up polyurethane screen 8 again, so play prevent sieve block
Effect.
Along the length direction of polyurethane screen 8, it is equipped at intervals with below polyurethane screen 8 and several is used to support polyurethane screen
8 made of metal supporting steel pipe 19, supporting steel pipe 19 and bullet are played ball the setting of device interval；The rear and front end of supporting steel pipe 19 with vibration
Dynamic cabinet 2 is connected.
Supporting steel pipe 19 plays support polyurethane screen 8, polyurethane screen 8 is prevented to be bent change under the action of material
Shape guarantees being normally carried out for screening work.
The right end of polyurethane screen 8 is equipped with tension-adjusting gear；
Tension-adjusting gear includes the channel steel 20 being connected with vibration cabinet 2, and channel steel 20, which is fixedly connected, has fixed peace (as welded)
Loading board 21, sliding is equipped with tension adjustment axis 22 in fixed mounting plate 21, and the tension adjustment axis 22 of 21 side of fixed mounting plate is logical
It crosses junction steel plate 23 to be fixedly connected with the right end of polyurethane screen 8, have on the tension adjustment axis 22 of 21 other side of fixed mounting plate
There is external screw thread and is threaded with movable installation board 24, the tension adjustment axis 22 between movable installation board 24 and fixed mounting plate 21
On be arranged with spring 25.
There are three types of effects for tension-adjusting gear tool, first is that polyurethane screen easy to disassemble 8, it is only necessary in tension adjustment axis 22
On screw off movable installation board 24, so that it may tension adjustment axis 22 is extracted out from fixed mounting plate 21, so as to by polyurethane
Sieve 8 takes out from vibration cabinet 2 together with tension adjustment axis 22；Two are easy for adjusting the tension of polyurethane screen 8；Pass through
Adjust position of the movable installation board 24 on tension adjustment axis 22, the pretightning force of adjustable spring 25, the pretightning force of spring 25
Polyurethane screen 8 is passed to by movable installation board 24, tension adjustment axis 22 and junction steel plate 23, to determine polyurethane screen
Tension on net 8；Third is that playing the role of buffer protection to polyurethane screen 8；During vibrosieve, if a certain moment
Polyurethane screen 8 is then passed through the compression or diastole of spring 25 by biggish strength, allows polyurethane screen 8 with tension tune
Nodal axisn 22 is slided along fixed mounting plate 21, external force disappear after again can spring 25 reset response Regression it is in situ, thus
Play the role of buffer protection to polyurethane screen 8 when stress.
The left end lower surface of polyurethane screen 8 is embedded with positioning device, and positioning device includes locating rod 26, in locating rod 26
Spacer sleeve is equipped with several steel pipeline sections 27, and the left end lower surface of polyurethane screen 8 is equipped with mounting groove 28, locating rod 26 and steel pipe
27 fixation of section is embedded in mounting groove 28；The rear and front end of locating rod 26 is respectively positioned on the side-walls of vibration cabinet, vibration cabinet 2
Positioning bolt 29 is equipped on side wall, positioning bolt 29 penetrates locating rod 26, and the outer end of positioning bolt 29 is located at vibration cabinet 2
Wall outer surface simultaneously has bolt head 30, and pressure is equipped with gasket 31 between bolt head 30 and the side wall for vibrating cabinet 2；Locating rod
There is gap between 26 and gasket 31.
On the one hand positioning device can position the position of the left end (and discharge end and lower end) of polyurethane screen 8, another
Aspect is easy for removal and installation.The positioning bolt 29 for only needing to be packed into or screw off 26 rear and front end of locating rod, can be by locating rod
26 are mounted on vibration cabinet 2 or remove from vibration cabinet 2, provide convenience for installation or removal polyurethane screen 8.Disassembly is poly-
When urethane sieve 8, locating rod 26 and 8 integrated removal of polyurethane screen are got off and take out vibration cabinet 2.
The vibration device 5 is thin oil vibrator, including vibrating motor, is connected with eccentric wheel on the axis of vibrating motor.Institute
It states thin oil vibrator and is provided with two sets, the direction of rotation of the eccentric wheel of two sets of thin oil vibrators is opposite.
When work, material enters the thick vibrating screen of anti-race of the invention by feed inlet 4, falls on bar screen plate 6.Thin oil vibration
Device starting, eccentric wheel generates vibration in rotation, and for material in vibration processes, lesser material passes through bar screen plate 6 to whereabouts,
Carry out stock grading.Oversize of the coarse fodder as bar screen plate 6 slides downwards along bar screen plate 6 and by level-one coarse fodder discharge port 7
Outflow.The screenings of bar screen plate 6, which is fallen in downwards, carries out regrading on polyurethane screen 8.The oversize edge of polyurethane screen 8
Polyurethane screen 8 is flowed out by second level coarse fodder discharge port 9 downwards, and the screenings of polyurethane screen 8 falls into vibration 2 bottom of cabinet and most
It is flowed out eventually by screenings discharge port 10.Above procedure is persistently carried out, continuous second level screening process is carried out to material.
It forms and is flexible coupling between seal closure 3 and vibration cabinet 2, the vibration of vibration cabinet 2 will not pass through ripple cloth set
Cylinder 15 passes to seal closure 3, thus seal closure 3 is not involved in vibration during the work time, alleviates the load of vibrating motor, thus
Have the advantages that low energy consumption.
Cabinet 2 is vibrated in vibration processes, and upper horizontal flanging 12 accordingly be vibrated with the distance between flat-folded meeting is lauched.
Watering cloth has elasticity, can adapt to the oscillation of above-mentioned distance, can be always in vibration cabinet 2 and seal closure in vibration processes
Sealing state is kept between 3, prevents the dust generated in vibration processes from dissipating by the gap between vibration cabinet 2 and seal closure 3
It is dealt into environment, guarantees that During Process of Screening of Vibration Screen is free from environmental pollution.
The above embodiments are only used to illustrate and not limit the technical solutions of the present invention, although referring to above-described embodiment to this hair
It is bright to be described in detail, those skilled in the art should understand that: still the present invention can be modified or be waited
With replacement, without departing from the spirit or scope of the invention, or any substitutions, should all cover in power of the invention
In sharp claimed range.
Claims (8)
1. anti-run thick vibrating screen, including screen frame (unit), screen frame (unit) is equipped with vibration cabinet, is equipped with seal closure at the top of screen frame (unit), seal closure is higher than
Vibration cabinet is simultaneously adjacent with vibration cabinet；
The right part of seal closure is connected with feed inlet, and feed inlet is for being connected to external feed pipe；It is characterized by:
The lower part of vibration cabinet is connected with vibration device；Right high left low bar screen plate is equipped in vibrating bin body, bar screen plate
Right part is located at the lower section of feed inlet；The vibration cabinet of bar screen plate left end is equipped with level-one coarse fodder discharge port；
The polyurethane screen being arranged with bar screen plate parallel interval is equipped with below bar screen plate, the sieve pore of polyurethane screen is less than stick
The sieve pore of bar sieve plate；
Vibration cabinet below polyurethane screen is connected with screenings discharge port, and the vibration cabinet of polyurethane screen left end is equipped with
Second level coarse fodder discharge port；Screenings discharge port extends downward into screen frame (unit) bottom end.
2. the anti-thick vibrating screen of race according to claim 1, it is characterised in that: the periphery of seal closure is connected with downwards connection
Cylinder, upper connecting cylinder are located at the outside of the circumferential edge of vibration cabinet；The bottom end of upper connecting cylinder is equipped with upper horizontal flanging；Vibrate cabinet
Top perimeter be connected with lower connecting cylinder, lower connecting cylinder is equipped with and is lauched flat-folded side；It upper horizontal flanging and is lauched between flat-folded side
It is connected with sleeve made of watering cloth.
3. the anti-thick vibrating screen of race according to claim 1, it is characterised in that: along the length direction of polyurethane screen, poly- ammonia
Several bullets are equipped at intervals with below ester sieve to play ball device；
Bullet play ball device include top opening bullet shake out body, play shake out body be arranged and connect along the width direction of polyurethane screen
On vibration cabinet；It plays to separate in shake out body and beats chamber equipped with multiple bullets, polyurethane screen closes the top opening that each bullet beats chamber；Respectively
Bullet, which is beaten, intracavitary to be respectively equipped with flexible bullet and plays ball；Bullet shake out body be tower structure, play shake out body bottom wall and side wall on
Multiple through-holes are evenly distributed with, the diameter that bullet is played ball is greater than the diameter of the through-hole, and the diameter of the through-hole is greater than polyurethane screen
The mesh diameter of net.
4. the anti-thick vibrating screen of race according to any one of claim 1 to 3, it is characterised in that: along the length of polyurethane screen
Direction is spent, several supporting steel pipes for being used to support polyurethane screen are equipped at intervals with below polyurethane screen, supporting steel pipe and bullet are beaten
The setting of ball device interval；The rear and front end of supporting steel pipe is connected with vibration cabinet.
5. the anti-thick vibrating screen of race according to any one of claim 1 to 3, it is characterised in that: the right end of polyurethane screen
Equipped with tension-adjusting gear；
Tension-adjusting gear includes the channel steel being connected with vibration cabinet, and channel steel is fixedly connected with fixed mounting plate, is fixedly mounted
Sliding is equipped with tension adjustment axis on plate, and the tension adjustment axis of fixed mounting plate side passes through junction steel plate and polyurethane screen
Right end is fixedly connected, and is had external screw thread on the tension adjustment axis of the fixed mounting plate other side and is threaded with movable installation board,
Spring is arranged on tension adjustment axis between movable installation board and fixed mounting plate.
6. the anti-thick vibrating screen of race according to claim 4, it is characterised in that: the left end lower surface of polyurethane screen is embedded with
Positioning device, positioning device include locating rod, and spacer sleeve is equipped with several steel pipeline sections in locating rod, under the left end of polyurethane screen
Surface is equipped with mounting groove, and locating rod and the fixation of steel pipeline section are embedded in mounting groove；The rear and front end of locating rod is respectively positioned on vibration
The side-walls of cabinet are vibrated and are equipped with positioning bolt on the side wall of cabinet, and positioning bolt penetrates locating rod, the outer end of positioning bolt
Positioned at the wall outer surface for vibrating cabinet and there is bolt head, pressure, which is equipped with, between bolt head and the side wall for vibrating cabinet pads
Piece.
7. the anti-thick vibrating screen of race according to any one of claim 1 to 3, it is characterised in that: the vibration device is dilute
Oily vibrator, including vibrating motor are connected with eccentric wheel on the axis of vibrating motor.
8. anti-thick vibrating screen is run according to claim 7, it is characterised in that: the thin oil vibrator is provided with two sets, and two
The direction of rotation for covering the eccentric wheel of thin oil vibrator is opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910734316.6A CN110280476A (en) | 2019-08-09 | 2019-08-09 | It is anti-to run thick vibrating screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910734316.6A CN110280476A (en) | 2019-08-09 | 2019-08-09 | It is anti-to run thick vibrating screen |
Publications (1)
| Publication Number | Publication Date |
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| CN110280476A true CN110280476A (en) | 2019-09-27 |
Family
ID=68025059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910734316.6A Pending CN110280476A (en) | 2019-08-09 | 2019-08-09 | It is anti-to run thick vibrating screen |
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| CN (1) | CN110280476A (en) |
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