CN109622359A - A kind of twin-engined drives Near resonance oscillating Non-Linear Vibration flip flop screen - Google Patents
A kind of twin-engined drives Near resonance oscillating Non-Linear Vibration flip flop screen Download PDFInfo
- Publication number
- CN109622359A CN109622359A CN201811542927.2A CN201811542927A CN109622359A CN 109622359 A CN109622359 A CN 109622359A CN 201811542927 A CN201811542927 A CN 201811542927A CN 109622359 A CN109622359 A CN 109622359A
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- Prior art keywords
- spring
- vibration
- ectoplast
- group
- exciting
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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
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- Combined Means For Separation Of Solids (AREA)
Abstract
The invention belongs to screening plant, specially a kind of twin-engined drives Near resonance oscillating Non-Linear Vibration flip flop screen.System includes inside and outside two plastids, and vibration excitor is arranged on ectoplast, and two vibration excitors are symmetrically arranged, and meet motor synchronizing movement characteristic；When system steady running, it is reversely rotated between the eccentric block of two vibration excitors, and phase difference is stablized near 0 °, anti-phase movement is realized between interior ectoplast, to drive sieve alternately tensioning and relaxation by the support rod on interior ectoplast, falls and travel forward to reach screening effect so that material is constantly tossed.It is connected between interior ectoplast by the nonlinear spring of piecewise linearity, which is formed by Hookean spring and gap spring assembly, can stablize the amplitude of interior ectoplast relative motion.Meanwhile system operating point is set in subresonance state, energy-saving effect is more preferable.Mechanism and principle of the invention may be implemented simple structure, high reliablity, move the steady and productive prospectings such as low energy consumption.
Description
Technical field
The invention belongs to self-synchronous vibration field, specially a kind of twin-engined drives Near resonance oscillating Non-Linear Vibration flip flop screen.
Background technique
Flip flop screen is primarily used to for gravel, building stones, coal to be divided into the finished product of different stage according to granular size.Flip flop screen
Sieve plate is made of telescopic urethane rubber materials, is tensed by the alternating of sieve plate when work and relaxation, so that material is sieving
It is online to cast, while material can move forward.
Existing flip flop screen product structure is substantially the same, and overall dimensions are larger in vertical direction, sieve in the course of work
Frame vibration amplitude is larger, and floating screen frame and the Relative Vibration of fixed screen frame are more unstable, so that biggish noise is generated, it is unfavorable
In the screening of material.The interior design of traditional flip flop screen is complex, more demanding to the installation and daily maintenance of machine.
According to the ratio of external working frequency and intrinsic frequency, vibrational system can be divided into three classes, subresonance system, Near resonance oscillating
System and super resonance system.Wherein under the conditions of same-amplitude, required exciting force is under subresonance or Near resonance oscillating operating condition
1/5~1/3 under super remote resonance condition, therefore, when machine works under the conditions of subresonance or Near resonance oscillating, it can reach energy saving mesh
, to achieve the purpose that save economical.
Summary of the invention
The present invention overcomes the problems, such as of the existing technology, provides a kind of twin-engined drives Near resonance oscillating Non-Linear Vibration flip flop screen.
System includes inside and outside two plastids, and vibration excitor is arranged on ectoplast, and two vibration excitors are arranged symmetrically, and meet motor synchronizing campaign
Feature.Meanwhile system operating point is set in subresonance state, energy-saving effect is more preferable.Mechanism and principle of the invention may be implemented
Structure is simple, high reliablity, moves the steady and design objects such as low energy consumption, including two kinds of technical solutions.
The first technical solution are as follows: a kind of twin-engined drives Near resonance oscillating Non-Linear Vibration flip flop screen, including exciting plastid, endoplasm
Body, connecting rod, sieve and connecting spring；Wherein, exciting plastid is made of excitation platform and two vibration excitors being disposed thereon；
Two vibration excitor sides on excitation platform are symmetrically installed, and an eccentric block is equipped on each vibration excitor；First group of connecting rod
It is arranged on excitation platform；Second group of connecting rod is arranged in endoplast；First group of connecting rod and second group of connecting rod are staggeredly etc.
Away from and respectively along straight line be arranged, two straight line parallels, sieve laying be connected in first group and second group of connecting rod；Endoplast and
It is connected between exciting plastid by the nonlinear spring of piecewise linearity；It is connected between exciting plastid and basis by isolation spring.
Further, it is connected between the endoplast and ectoplast by the nonlinear spring of piecewise linearity, the spring
It is by the spring members of Hookean spring and gap spring parallel combination
Second of technical solution are as follows: it further include ectoplast on the basis of the first scheme, first group of connecting rod
It is arranged on ectoplast, is connected respectively by main vibration spring group between ectoplast and exciting plastid, between endoplast and exciting plastid
It connects；Wherein, main vibration spring group is made of main vibration spring and guide plate, and main vibration spring and guide plate setting angle are setting value, main
Vibration spring and the setting angle of horizontal direction are setting value, are connected between exciting plastid and basis by isolation spring.
Further, there are 5 in endoplast, there are 4 on ectoplast, the equidistant installation of connecting rod.
Further, it when the system steady running, is reversely rotated between the eccentric block of two vibration excitors, and phase difference
Stabilization realizes anti-phase movement between 0 °, interior ectoplast, to drive sieve alternately to open by the support rod on interior ectoplast
Tight and relaxation, so that material, which is constantly tossed, falls realization screening effect.
The invention has the benefit that 1) drive sieve using the antiphase relative motion of two plastids, sieve is realized
Relaxation movement；2) system is run under subresonance working condition, and energy-saving effect is more preferable；3) ectoplast utilizes piecewise linearity in
Nonlinear spring connection, the amplitude of relative motion are more stable.
Detailed description of the invention
Fig. 1 is the kinetic model schematic diagram of the system of embodiment 1；
Fig. 2 is the kinetic model schematic diagram of the system of embodiment 2；
In figure: 1 excitation platform；2 vibration excitor A；3 connecting rod A；4 connecting rod B；5 connecting rod C；6 connecting rod D；7 vibration excitor B；
8 sieves；9 connecting rod E；10 isolation springs；11 Hookean springs；12 connecting rod F；13 internal vibration bodies；14 connecting rod G；15 connecting rods
H；16 gap springs；17 connecting rod I；18 outer vibrating bodies；19 main vibration springs；20 guide plates；21 materials.
Specific embodiment
Below with reference to example, invention is further explained.
Fig. 1 is the kinetic model schematic diagram of the system of embodiment 1, a kind of twin-engined drives Near resonance oscillating nonlinear vibration
Dynamic flip flop screen, ectoplast is by excitation platform 1 and the vibration excitor A2 being disposed thereon, vibration excitor B7, connecting rod A3, connecting rod B4,
Connecting rod C5 and connecting rod D6 composition, endoplast is by internal vibration body 13 and the connecting rod E9 being disposed thereon, connecting rod F12, even
Extension bar G14 and connecting rod H15 composition.Vibration excitor A2 and vibration excitor B7 are symmetrically arranged, and the eccentric block on two vibration excitors turns
To opposite and realize that motor synchronizing moves.
It is connected between the endoplast and ectoplast by the nonlinear spring of piecewise linearity, which is by linear bullet
Spring 11 and gap spring 16 are composed.
It is connected between the ectoplast and basis by isolation spring 10.
The sieve 8 is connect with the connecting rod on interior ectoplast.
In use, opening vibration device, investment needs the building stones sieved, interior ectoplast anti-phase movement, thus in driving
The connecting rod of ectoplast drives sieve tensioning and speeds to open.Material is constantly thrown upwards under the alternating action of sieve and is fallen, and to
Screening effect is realized in preceding movement.
Fig. 2 is the kinetic model schematic diagram of the system of embodiment 2, and a kind of two-shipper motor synchronizing driving balanced type is sub-
Synchronous vibration flip-flow screening machine, wherein exciting plastid is made of excitation platform 1 and the vibration excitor A being disposed thereon and vibration excitor B；Two
A vibration excitor is symmetrically installed on excitation platform 1, and an eccentric block is equipped on each vibration excitor.The plastid that works includes endoplast
With ectoplast two, endoplast is made of internal vibration main body 18 and the connecting rod 3,4,5,6,9 that is mounted in main body；Ectoplast by
Outer vibration main body 13 and the connecting rod 12,14,15,17 being mounted in main body form.
Further, it is connected between the work plastid and exciting plastid by main vibration spring group, wherein main vibration spring
Group is made of guide plate 19 and main vibration spring 20, the peace of main vibration spring 20 and guide plate 19 and main vibration spring 20 and horizontal direction
Filling angle is setting value.
Further, equidistant installation between the connecting rod, and be connected with sieve 8.
Further, it is connect between the exciting plastid and basis by isolation spring 10.
In use, the eccentric block on two vibration excitors turns on the contrary, and realizing motor synchronizing campaign.Exciting plastid is in vertical side
Work plastid is passed to through main vibration spring to the exciting force of generation, interior ectoplast realizes same-phase movement, and by being mounted on work
Making the connecting rod on plastid drives sieve to be alternately tensioned and relax.Material is constantly tossed in the case where the high frequency of sieve speeds Zhang Zuoyong and falls
It descends and travels forward, realize screening process.
In the description of the present invention unless specifically defined or limited otherwise, term " arrangement ", " installation ", " connection " and
" connected " etc. shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, two can also be also possible to indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element, unless otherwise restricted clearly, for the common skill of this field
For art personnel, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out under conditions of not departing from the principle and spirit of the invention to these embodiments by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (4)
1. a kind of twin-engined drives Near resonance oscillating Non-Linear Vibration flip flop screen, which is characterized in that including exciting plastid, endoplast, connection
Bar, sieve and connecting spring；Wherein, exciting plastid is made of excitation platform and two vibration excitors being disposed thereon；Two are swashed
Vibration device side on excitation platform is symmetrically installed, and an eccentric block is equipped on each vibration excitor；First group of connecting rod is arranged in
On excitation platform；Second group of connecting rod is arranged in endoplast；First group of connecting rod and second group of connecting rod staggeredly equidistantly and are divided
It is not arranged along straight line, two straight line parallels, sieve laying is connected in first group and second group of connecting rod；Endoplast and exciting matter
It is connected between body by the nonlinear spring of piecewise linearity；It is connected between exciting plastid and basis by isolation spring.
2. a kind of twin-engined drives Near resonance oscillating Non-Linear Vibration flip flop screen according to claim 1, which is characterized in that described
It is connected between endoplast and exciting plastid by the nonlinear spring of piecewise linearity, which is by Hookean spring and gap spring
The spring members of parallel combination.
3. a kind of twin-engined drives Near resonance oscillating Non-Linear Vibration flip flop screen according to claim 1, which is characterized in that further include
Ectoplast, first group of connecting rod are arranged on ectoplast, between ectoplast and exciting plastid, endoplast and exciting plastid
Between connected respectively by main vibration spring group；Wherein, main vibration spring group is made of main vibration spring and guide plate, main vibration spring with lead
It is setting value to plate setting angle, the setting angle of main vibration spring and horizontal direction is setting value, between exciting plastid and basis
It is connected by isolation spring.
4. a kind of twin-engined drives Near resonance oscillating Non-Linear Vibration flip flop screen according to claim 1 or 2 or 3, which is characterized in that
It when the described system steady running, is reversely rotated between the eccentric block of two vibration excitors, and phase difference is stablized at 0 °, interior ectoplast
Between realize anti-phase movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811542927.2A CN109622359B (en) | 2018-12-17 | 2018-12-17 | Double-motor driven near-resonance nonlinear vibration relaxation sieve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811542927.2A CN109622359B (en) | 2018-12-17 | 2018-12-17 | Double-motor driven near-resonance nonlinear vibration relaxation sieve |
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| Publication Number | Publication Date |
|---|---|
| CN109622359A true CN109622359A (en) | 2019-04-16 |
| CN109622359B CN109622359B (en) | 2020-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811542927.2A Active CN109622359B (en) | 2018-12-17 | 2018-12-17 | Double-motor driven near-resonance nonlinear vibration relaxation sieve |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110000086A (en) * | 2019-05-13 | 2019-07-12 | 苏州嘉诺环境工程有限公司 | A kind of three-dimensional ladder composite screen |
| CN110038791A (en) * | 2019-05-20 | 2019-07-23 | 苏州嘉诺环境工程有限公司 | A kind of relaxation sieve |
| CN110152990A (en) * | 2019-06-13 | 2019-08-23 | 东北农业大学 | A kind of ladder flexibility grain cleaning mechanism of imitative earthworm motion feature |
| CN111036547A (en) * | 2020-01-05 | 2020-04-21 | 罗方武 | Material screening device |
| CN113990156A (en) * | 2021-11-05 | 2022-01-28 | 中国矿业大学(北京) | Double-plastid gap nonlinear dynamics experimental device |
Citations (4)
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|---|---|---|---|---|
| US5301815A (en) * | 1991-07-15 | 1994-04-12 | Etablissements Chauvin S.A.R.L. | Screening device and method |
| CN101357364A (en) * | 2008-07-25 | 2009-02-04 | 东北大学 | Anti-resonance vibrating sifter |
| CN202921557U (en) * | 2012-11-28 | 2013-05-08 | 李彦 | Novel near resonant double-mass linear vibrating screen |
| CN104624488A (en) * | 2015-02-02 | 2015-05-20 | 江苏鹏飞集团股份有限公司 | Linear flip-flow screen |
-
2018
- 2018-12-17 CN CN201811542927.2A patent/CN109622359B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5301815A (en) * | 1991-07-15 | 1994-04-12 | Etablissements Chauvin S.A.R.L. | Screening device and method |
| CN101357364A (en) * | 2008-07-25 | 2009-02-04 | 东北大学 | Anti-resonance vibrating sifter |
| CN202921557U (en) * | 2012-11-28 | 2013-05-08 | 李彦 | Novel near resonant double-mass linear vibrating screen |
| CN104624488A (en) * | 2015-02-02 | 2015-05-20 | 江苏鹏飞集团股份有限公司 | Linear flip-flow screen |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110000086A (en) * | 2019-05-13 | 2019-07-12 | 苏州嘉诺环境工程有限公司 | A kind of three-dimensional ladder composite screen |
| CN110038791A (en) * | 2019-05-20 | 2019-07-23 | 苏州嘉诺环境工程有限公司 | A kind of relaxation sieve |
| CN110152990A (en) * | 2019-06-13 | 2019-08-23 | 东北农业大学 | A kind of ladder flexibility grain cleaning mechanism of imitative earthworm motion feature |
| CN111036547A (en) * | 2020-01-05 | 2020-04-21 | 罗方武 | Material screening device |
| CN113990156A (en) * | 2021-11-05 | 2022-01-28 | 中国矿业大学(北京) | Double-plastid gap nonlinear dynamics experimental device |
| CN113990156B (en) * | 2021-11-05 | 2022-07-08 | 中国矿业大学(北京) | Double-plastid gap nonlinear dynamics experimental device |
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| Publication number | Publication date |
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| CN109622359B (en) | 2020-09-15 |
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