CN208786905U - Electric-liquid type frequency vibration shape purifier - Google Patents
Electric-liquid type frequency vibration shape purifier Download PDFInfo
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- CN208786905U CN208786905U CN201821251664.5U CN201821251664U CN208786905U CN 208786905 U CN208786905 U CN 208786905U CN 201821251664 U CN201821251664 U CN 201821251664U CN 208786905 U CN208786905 U CN 208786905U
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Abstract
The utility model discloses a kind of electric-liquid type frequency vibration shape purifiers, it includes screen box, screen box is equipped with feeding inlet, discharge port, conveyer belt, conveyer belt is installed on external pillared stent independently of screen box structure, workbench is additionally provided between bilevel conveyer belt, workbench is fixedly connected with screen box, the opening cavity connection of feeding inlet and workbench, conveyer belt is equipped with the lautertuns of random distribution, electro-hydraulic vibration exciter is connected with below screen box, electro-hydraulic vibration exciter includes hydraulic cylinder, valve block, valve block one side wall is equipped with 2 respectively in upright, stand upside down the double freedom rotary valve being arranged, piston rod is equipped in hydraulic cylinder, piston rod one end extends to screen box bottom, the piston rod other end protrudes into valve block valve block oil circuit being separated into a symmetrical left side, right side pipeline, it is left, right side pipeline respectively with 2 double freedom rotary valve connection.The utility model can be screened by logistics frequency characteristic, purify material, and which solve traditional shaker, energy consumption is high, as just the problem of the use of filterability device.
Description
Technical field
The utility model belongs to industrial automation production equipment technology, more particularly, to industrial material screening, purification
Automation equipment.
Background technique
Vibrating screen is a kind of material separator tool at present, is rapidly developed in the past 20 years.Extensively at present
Apply in the industrial departments such as mining, metallurgy, coal and chemical industry.Such as in parts such as coal chemical industries, vibrating screen is generally used to
Vibrating screen pair is generallyd use to the classification of rough coal, cleaned coal and conny, dehydration and de-mediated matter, and in metallurgical part, ore dressing process
Ore carries out preparatory screening.
However, existing vibrating screen is mainly a kind of filterability device, be made of oscillator and sieve, by sieve thickness and
The amplitude size screening materials carrying that oscillator generates.This also have led to existing vibrating screen from principle can only from the shape of material and
Material screening is carried out in terms of quality two, can not further be screened in terms of material content, purity.On the other hand, it shakes
The working principle of son is to be driven by a motor eccentric stiffener rotation, so that vibrating screen be made to vibrate, so in the big material of screening, again
Compel when material so that so energy consumption condition is extremely serious and needs to be equipped with dedicated cable and matches using heavy-duty motor
Electric installation, above-mentioned aspect strongly limit the purposes of vibrating screen.
Develop high-end dynamoelectric equipment technology urgently in view of China to push the adjustment and development of China's manufacturing industry structure.Vibration
Dynamic equipment is widely used to many engineering fields as the mechanized equipment of characteristic, in recent years, for can with high fidelity realize
Big exciting force, more more and more urgent this case of demand of vibratory equipment of multifrequency is adjustable Complicated Periodic vibration and above-mentioned existing
Deficiency existing for vibrating screen, for this purpose, the application devises a kind of new purification equipment.
Utility model content
A kind of in order to overcome the deficiencies of the prior art, the utility model provides electric-liquid type frequency vibration shape purifier, this is mentioned
Pure device can be screened by logistics frequency characteristic, purify material, and which solve traditional shaker, energy consumption is high, fills as just filterability
The problem of setting use.
To achieve the goals above, the technical solution adopted in the utility model is: a kind of electric-liquid type frequency vibration shape purifier,
Including screen box, screen box is equipped with feeding inlet and discharge port, it is characterised in that: conveyer belt is equipped in the screen box, conveyer belt is through motor
Circumferential shuttling movement is done in driving, and the translateral shaft of conveyer belt independently of screen box structure to be installed on external pillared stent, and upper and lower two
It is additionally provided with workbench between the conveyer belt of layer, workbench is fixedly connected with screen box, the opening cavity connection of feeding inlet and workbench,
The open end of opening cavity is arranged upward, and conveyer belt is equipped with several lautertuns of random distribution, is connected with below screen box electro-hydraulic
Vibration excitor, electro-hydraulic vibration exciter include hydraulic cylinder, and valve block is equipped with below hydraulic cylinder, 2 pairs are equipped on the side wall of valve block one side freely
Rotary valve is spent, 2 double freedom rotary valves respectively in upright, standing upside down is arranged, are equipped with piston rod, piston rod one end is prolonged side by side in hydraulic cylinder
Screen box bottom is extended to, the piston rod other end protrudes into valve block valve block oil circuit being separated into symmetrical left side pipeline and right side pipe
Road, left side pipeline and right side pipeline respectively with 2 double freedom rotary valve connection.In above structure, material enters work through feeding inlet
After making platform, with the vibration of electro-hydraulic vibration exciter, after material resonates, in bullet up to transmission belt, transmission belt uses random hole slot
Distribution is bound to the above space of transmission belt when material penetrates hole, the non-perforation of transmission belt is fallen in after decline, is conveyed by transmission belt
It is fallen to discharge port；Two identical control valves are allowed in the design of valve block oil circuit to interlock on the contrary without any change
Close to place, this designs the volume that can maximally reduce hydraulic circuit, reduces the volume of entire electrohydraulic system, convenient to add
Work uses, and the two-dimentional double freedom rotary valve being in addition so staggeredly placed can form interference oil circuit, with the shape of similar circuit parallel connection
Formula exports vibrational waveform by piston rod；One two-dimentional double freedom rotary valve can control electrohydraulic system to be similar to by piston rod output
The sinusoidal vibration waveform of Asin (r+2*pi*x), so can export and be similar under two two-dimentional double freedom rotary valve control
The signal of Asin (r+2*pi*x)+Bsin (rr+2*pi*t) superposition；All according to any periodic function of Fourier space theory
It can indicate that (there are two waveform generators in the present invention, also with the infinite series that sin cos functions are constituted
It is to say approximately fit any period vibrational waveform), therefore above structure can not only determine material intrinsic frequency
Material also can be further excited to resonate in terms of the material vibration shape using the resonance of identical frequency deexcitation material afterwards.
Further, the left side pipeline and right side pipeline include main oil inlet pipe, main oil return pipe, working tubing, it is double from
The valve block back side is installed on by degree rotary valve, main oil inlet pipe runs through the positive back side of valve block, and working tubing includes the first working tubing and second
Working tubing, the first working tubing run through the positive back side of valve block, and the second working tubing extends to piston rod and the by valve block side wall
Two working tubings pass through the valve block back side by vertical branch and connect with double freedom rotary valve, and main oil return pipe is arranged in vertical pipeline
Close to valve block side-walls, vertical pipeline side extends to valve block side wall by three branch pipes, and the vertical pipeline other side passes through two L
Type be in charge of extend to the valve block back side and with double freedom rotary valve connection.The design of above-mentioned valve block oil circuit effectively reduces hydraulic circuit
Volume, reduces the volume of entire electrohydraulic system and quality facilitates processing to use.
Further, the electro-hydraulic vibration exciter is mounted on the base, and pedestal is equipped with the installation concave surface being adapted to valve block, peace
Dress concave surface side corresponding with the valve block back side is equipped with the groove of the notch accommodated for double freedom rotary valve end.Electro-hydraulic vibration exciter is embedded in
Structure in pedestal has fixed and cushioning effect to electro-hydraulic vibration exciter.
Further, the two sides of the workbench opening cavity have respectively towards the inclination extension of screen box two sides inner wall direction
Side plate, side plate are set up on the inner wall of screen box both sides by the interconnection stretching of upper and lower transmission belt.Workbench is located among transmission belt,
From the opening cavity that feeding inlet enters workbench, workbench is fixed on screen box material by inclined side plate, screen box by
The vibration of electro-hydraulic vibration exciter and shake, workbench is with screen box synchronous vibrating, and material is also with shaking.
Further, the external pillared stent includes 2 faggings, and fagging is correspondingly arranged with shaft, each fagging includes 2
A stabilizer blade for being located at both ends of the shaft, the shaft end of both ends of the shaft, which passes through, is assemblied in stabilizer blade top after screen box wall, between 2 stabilizer blades
It is connected by crossbeam.2 faggings are located at the back side of valve block front, and shaft is directly mounted on external pillared stent, not with screen box
Contact, ensure that the steady transmission of transmission belt.
Further, the crossbeam includes the fork beam of 2 split settings, and 2 respective one end of fork beam are respectively and respectively
From stabilizer blade connection, 2 respective other ends of fork beam by studs interconnection.Fagging passes through 2 stabilizer blades and 2 cross
Beam assembles to be formed, and crossbeam is convenient for the disassembly and movement of equipment in separate structure assembling.
Further, the stabilizer blade is from top to bottom disposed obliquely outwards, and 2 stabilizer blades of fagging are in two sides of isosceles trapezoid
Waisted distribution, the stabilizer blade bottom are equipped with foot disk.The incline structure of stabilizer blade is arranged and the foot dish structure of bottom being relatively large in diameter,
Play the role of increasing external pillared stent stability.
Using the above scheme, on the one hand the utility model has merged the characteristics of high electrohydraulic system power density, reliable operation,
On the other hand traditional shaker is changed by sieve thickness as main filtration acting device, then analyzes certain class material particles
Intrinsic frequency with close or identical vibration frequency and the vibration shape come force material resonance from realize material purity screening.
The utility model is further described with reference to the accompanying drawing.
Detailed description of the invention
Attached drawing 1 is the utility model specific embodiment three-dimensional structure diagram；
Attached drawing 2 is the attachment structure schematic diagram of the utility model specific embodiment conveyer belt and external pillared stent；
Attached drawing 3 is the utility model specific embodiment Working table structure schematic diagram；
Attached drawing 4 is the utility model specific embodiment schematic diagram of base structure；
Attached drawing 5 is the schematic perspective view of the utility model specific embodiment electro-hydraulic vibration exciter, wherein the back side and side
Visually；
Attached drawing 6 is the utility model specific embodiment electro-hydraulic vibration exciter positive structure schematic；
Attached drawing 7-1 is the utility model specific embodiment electro-hydraulic vibration exciter side structure schematic diagram；
Attached drawing 7-2 is the utility model specific embodiment electro-hydraulic vibration exciter A-A cross-sectional view；
Attached drawing 7-3 is the utility model specific embodiment electro-hydraulic vibration exciter B-B cross-sectional view；
Attached drawing 8 is the easy structure schematic diagram of the oil circuit of the utility model specific embodiment valve block alternate internal distribution；
Attached drawing 9 is the utility model specific embodiment electro-hydraulic vibration exciter vibrational waveform figure, and (a) is Y1=5*sin (6*x*
pi)；(b) it is Y2=20*sin (0.5*pi+x*pi)；It (c) is Y3=Y1+Y2；
Attached drawing 10 is the utility model specific embodiment electro-hydraulic vibration exciter vibrational waveform figure, (d) is Y1=sin (3t)/8；
It (e) is Y2=3/pi*sin (t)；It (f) is Y3=Y1+Y2；
Screen box 1, feeding inlet 11, discharge port 12, conveyer belt 2, lautertuns 21, shaft 22, motor 23, external pillared stent 3, stabilizer blade
31, foot disk 311, crossbeam 32, stud 33, workbench 5, opening cavity 51, side plate 52, electro-hydraulic vibration exciter 4, hydraulic cylinder 41,
Valve block 42, double freedom rotary valve 43, pedestal 6, installation concave surface 61, the groove of the notch 62, piston rod 63,
Main oil inlet pipe 421, main oil return pipe 422, branch pipe 424, L-type be in charge of 425,
First working tubing 426, the second working tubing 427, vertical branch 428.
Specific embodiment
Specific embodiment of the utility model is electric-liquid type frequency vibration shape purifier as shown in figures 1-8 comprising screen box 1,
External pillared stent 3 and electro-hydraulic vibration exciter 4, electro-hydraulic vibration exciter 4 are located at 1 lower section of screen box and connect with screen box 1, and screen box 1 swashs with electro-hydraulic
Vibration 4 synchronous vibration of device, screen box 1 are equipped with feeding inlet 11 and discharge port 12.Conveyer belt 2 is equipped in screen box 1, conveyer belt 2 is independently installed
It on external pillared stent 3, is not in contact with each other with screen box 1, transmission is steady, and 2 two sides of conveyer belt are socketed in shaft 22, and shaft 22 is by motor
23 drivings, above-mentioned external pillared stent 3 include 2 faggings, and fagging and shaft 22, which are correspondingly arranged, is located at 2 conveying direction of conveyer belt
Two sides, each fagging include 2 stabilizer blades 31 for being located at 22 both ends of shaft, and the shaft end at 22 both ends of shaft passes through screen box 1
It is assemblied in 31 top of stabilizer blade after through-hole on wall, is connected between 2 stabilizer blades 31 by crossbeam 32.Crossbeam 32 includes that 2 fissions are set
32,2 respective one end of fork beam 32 of the fork beam set are connect with respective stabilizer blade 31 respectively, and 2 fork beams 32 are respective another
One end is interconnected by studs.Fagging is formed by 2 assemblings of stabilizer blade 31 and 2 crossbeam 32, and crossbeam 32 is in seperated knot
The disassembly and movement of equipment are convenient in structure assembling.Stabilizer blade 31 is from top to bottom disposed obliquely outwards, and 2 stabilizer blades 31 of fagging are in isosceles ladder
Two side waisted of shape are distributed, and 31 bottom of stabilizer blade is equipped with foot disk 311.The incline structure of stabilizer blade 31 be arranged and the diameter of bottom compared with
Big 311 structure of foot disk plays the role of increasing 3 stability of external pillared stent.
Above-mentioned transmission belt both ends pass through respectively up and down and the driving of 2 shafts 22 of column distribution is to expand between transmission belt up and down
Space, so that it is sufficient to accommodate workbench 5, workbench 5 has a U-shaped opening cavity 51, and the two sides of opening cavity 51 have point
The side plate 52 not extended towards the inclination of 1 two sides inner wall direction of screen box, side plate 52 are set up in by the interconnection stretching of upper and lower transmission belt
It on 1 both sides inner wall of screen box, forms a fixed connection with screen box 1, also with 1 synchronous vibration of screen box.The side wall direction of opening cavity 51
The direction of feeding inlet 11 is equipped with connection mouth, and feeding inlet 11 extends at communication port, opposite of the opening cavity 51 with respect to feeding inlet 11
The connection mouth be connected with discharge port 12 is then arranged in side wall, and the open end of opening cavity 51 is arranged upward, and conveyer belt 2 is equipped with random
Multiple lautertuns 21 of distribution have rectangle, square etc., and lautertuns 21 and about 51 cavity of opening are connected, and material enters
It after in workbench 5, is vibrated, when resonating, material is jumped up from opening cavity 51, is fallen in after the rising of lautertuns 21
Conveyer belt 2 does not have at the position of lautertuns 21, is transmitted to discharge port 12 by transmission belt.
The electro-hydraulic vibration exciter 4 of the lower section of screen box 1, including hydraulic cylinder 41 are equipped with valve block 42 below hydraulic cylinder 41, and valve block 42 is on one side
2 double freedom rotary valves, 43,2 double freedom rotary valves 43 are installed side by side on side wall respectively in upright, setting of standing upside down, valve block 42
In be additionally provided with the oil circuit being interspersed and 2 43 connection of double freedom rotary valve, electro-hydraulic vibration exciter 4 is installed on pedestal 6, pedestal 6
It is equipped with the installation concave surface 61 being adapted to valve block 42, installation concave surface 61 side corresponding with 42 back side of valve block is equipped with for double freedom
Spend the groove of the notch 62 that 43 end of rotary valve accommodates.Structure of the electro-hydraulic vibration exciter 4 in the pedestal 6 to electro-hydraulic vibration exciter 4 have it is fixed and
Cushioning effect.Piston rod 63 is equipped in hydraulic cylinder 41,63 one end of piston rod extends to 1 bottom of screen box and connect with screen box 1, piston rod
63 other ends protrude into valve block 42 42 oil circuit of valve block being separated into symmetrical left side pipeline and right side pipeline, left side pipeline and
Right side pipeline respectively with 2 43 connection of double freedom rotary valve.Left side pipeline and right side pipeline include main oil inlet pipe 421, lead back
Oil pipe 422, working tubing, double freedom rotary valve 43 are installed on 42 back side of valve block, and main oil inlet pipe 421 runs through the positive back side of valve block 42,
Working tubing includes the first working tubing 426 and the second working tubing 427, and the first working tubing 426 runs through the positive back side of valve block 42,
Second working tubing 427 extends to piston rod 63 by 42 side wall of valve block and the second working tubing 427 is worn by vertical branch 428
42 back side of valve block to be crossed to connect with double freedom rotary valve 43, main oil return pipe 422 is positioned close to 42 side-walls of valve block in vertical pipeline,
Vertical pipeline side extends to 42 side wall of valve block by three branch pipes 424, and the vertical pipeline other side is in charge of 425 by two L-types
Extend to 42 back side of valve block and with 43 connection of double freedom rotary valve.The design of above-mentioned 42 oil circuit of valve block being interspersed effectively reduces
The volume of hydraulic circuit reduces the volume of entire electrohydraulic system, and processing is facilitated to use.
Material is after feeding inlet 11 enters workbench 5, and with the vibration of electro-hydraulic vibration exciter 4, after material resonates, bullet is high
To transmission belt, transmission belt is distributed using random hole slot, is bound to the above space of transmission belt when material penetrates hole, is fallen in after decline
The non-perforation of transmission belt is delivered to discharge port 12 by transmission belt and falls；42 oil circuit of valve block design in allow for two it is identical
Control valve is staggeredly close on the contrary without any change to be placed, this design can maximally reduce hydraulic circuit
Volume reduces the volume of entire electrohydraulic system, facilitates processing to use, the two-dimentional double freedom rotary valve 43 being in addition so staggeredly placed
Interference oil circuit can be formed, vibrational waveform is exported by piston rod 63 in the form of similar circuit parallel connection；One two-dimentional double freedom
Rotary valve 43 can control sinusoidal vibration waveform of the electrohydraulic system by the output of piston rod 63 similar to Asin (r+2*pi*x), so two
Under a two dimension double freedom rotary valve 43 controls, it can export similar to Asin (r+2*pi*x)+Bsin (rr+2*pi*t) superposition
Signal；It can be indicated with the infinite series that sin cos functions are constituted according to any periodic function of Fourier space theory
(there are two waveform generators in the present invention, that is to say, that can approximately fit any period vibrational waveform)
As shown in figs. 9-10, therefore above structure not only can be total using identical frequency deexcitation material after determining material intrinsic frequency
Vibration also can further excite material to resonate in terms of the material vibration shape.
The utility model is not limited to above-mentioned specific embodiment, and persons skilled in the art are according to the utility model public affairs
The content opened can be implemented the utility model or all using the utility model using other a variety of specific embodiments
Design structure and thinking, do simple change or change, both fall within the protection scope of the utility model.
Claims (8)
1. a kind of electric-liquid type frequency vibration shape purifier, including screen box, screen box is equipped with feeding inlet and discharge port, it is characterised in that: institute
State and be equipped with conveyer belt in screen box, conveyer belt does circumferential shuttling movement through motor driven, the translateral shaft of conveyer belt with independently of
Screen box structure is installed on external pillared stent, and workbench, workbench and the fixed company of screen box are additionally provided between bilevel conveyer belt
It connects, the opening cavity connection of feeding inlet and workbench, the open end for the cavity that is open is arranged upward, and conveyer belt is equipped with random distribution
Several lautertuns, electro-hydraulic vibration exciter is connected with below screen box, electro-hydraulic vibration exciter includes hydraulic cylinder, is equipped with valve below hydraulic cylinder
Block is equipped with 2 double freedom rotary valves on the side wall of valve block one side, and 2 double freedom rotary valves are side by side respectively in upright, standing upside down sets
It sets, piston rod is equipped in hydraulic cylinder, piston rod one end extends to screen box bottom, and the piston rod other end protrudes into valve block oil in valve block
Road is separated into symmetrical left side pipeline and right side pipeline, left side pipeline and right side pipeline respectively with 2 double freedom rotary valves
Connection.
2. electric-liquid type frequency vibration shape purifier according to claim 1, it is characterised in that: the left side pipeline and right side pipe
Road includes main oil inlet pipe, main oil return pipe, working tubing, and double freedom rotary valve is installed on the valve block back side, and main oil inlet pipe runs through valve
The positive back side of block, working tubing include the first working tubing and the second working tubing, and the first working tubing runs through the positive back side of valve block, the
Two working tubings extend to piston rod and the second working tubing by valve block side wall and pass through the valve block back side and double by vertical branch
The connection of freedom degree rotary valve, main oil return pipe are positioned close to valve block side-walls in vertical pipeline, and vertical pipeline side passes through three branch
Pipe extends to valve block side wall, the vertical pipeline other side be in charge of by two L-types extend to the valve block back side and with double freedom rotary valve
Connection.
3. electric-liquid type frequency vibration shape purifier according to claim 2, it is characterised in that: the electro-hydraulic vibration exciter is installed on
On pedestal, pedestal is equipped with the installation concave surface being adapted to valve block, and installation concave surface side corresponding with the valve block back side is equipped with for double
The groove of the notch that freedom degree rotary valve end accommodates.
4. electric-liquid type frequency vibration shape purifier according to claim 1 to 3, it is characterised in that: the workbench
Be open cavity two sides have respectively towards screen box two sides inner wall direction inclination extend side plate, side plate by upper and lower transmission belt transverse direction
Channel, which is stretched out, to be set up on the inner wall of screen box both sides.
5. electric-liquid type frequency vibration shape purifier according to claim 1 to 3, it is characterised in that: the outer support branch
Frame includes 2 faggings, and fagging is correspondingly arranged with shaft, each fagging includes 2 stabilizer blades for being located at both ends of the shaft, is turned
The shaft end at axis both ends is assemblied in stabilizer blade top after passing through screen box wall, is connected between 2 stabilizer blades by crossbeam.
6. electric-liquid type frequency vibration shape purifier according to claim 5, it is characterised in that: the crossbeam includes 2 fissions
The fork beam of setting, 2 respective one end of fork beam are connect with respective stabilizer blade respectively, and 2 respective other ends of fork beam are logical
Cross studs interconnection.
7. electric-liquid type frequency vibration shape purifier according to claim 5, it is characterised in that: the stabilizer blade is from top to bottom outwardly
It is obliquely installed, 2 stabilizer blades of fagging are distributed in two side waisted of isosceles trapezoid, and the stabilizer blade bottom is equipped with foot disk.
8. electric-liquid type frequency vibration shape purifier according to claim 6, it is characterised in that: the stabilizer blade is from top to bottom outwardly
It is obliquely installed, 2 stabilizer blades of fagging are distributed in two side waisted of isosceles trapezoid, and the stabilizer blade bottom is equipped with foot disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821251664.5U CN208786905U (en) | 2018-08-03 | 2018-08-03 | Electric-liquid type frequency vibration shape purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821251664.5U CN208786905U (en) | 2018-08-03 | 2018-08-03 | Electric-liquid type frequency vibration shape purifier |
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| Publication Number | Publication Date |
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| CN208786905U true CN208786905U (en) | 2019-04-26 |
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ID=66204485
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821251664.5U Active CN208786905U (en) | 2018-08-03 | 2018-08-03 | Electric-liquid type frequency vibration shape purifier |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109046962A (en) * | 2018-08-03 | 2018-12-21 | 温州市特种设备检测研究院 | Electric-liquid type frequency vibration shape purifier |
-
2018
- 2018-08-03 CN CN201821251664.5U patent/CN208786905U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109046962A (en) * | 2018-08-03 | 2018-12-21 | 温州市特种设备检测研究院 | Electric-liquid type frequency vibration shape purifier |
| CN109046962B (en) * | 2018-08-03 | 2023-10-20 | 温州市特种设备检测研究院 | Electrohydraulic frequency vibration type purifier |
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