CN103934193A - Full-amplitude supporting high-frequency vibrating screen with variable tilt angle and elliptic track - Google Patents
Full-amplitude supporting high-frequency vibrating screen with variable tilt angle and elliptic track Download PDFInfo
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- CN103934193A CN103934193A CN201410162467.6A CN201410162467A CN103934193A CN 103934193 A CN103934193 A CN 103934193A CN 201410162467 A CN201410162467 A CN 201410162467A CN 103934193 A CN103934193 A CN 103934193A
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Abstract
The invention provides a full-amplitude supporting high-frequency vibrating screen with a variable tilt angle and an elliptic track, and belongs to the field of vibratory screening machinery. The full-amplitude supporting high-frequency vibrating screen with the variable tilt angle and the elliptic track is designed for solving the problems caused by insufficient vibration strength of existing high-frequency vibrating screens. A screen frame provided with four sets of trunnions is arranged on a spiral hanging bracket of an adjustable full-amplitude elastic supporting base in a hung mode. Three vibrating motors are arranged on a vibrator installation beam side by side, wherein the vibrating motors located on the two sides have the same specification and opposite rotating directions, and the vibrating motor located in the middle can have a smaller specification. The three vibrating motors operate synchronously, so that a screen box generates the elliptic movement track. Three kinds of nets having different mesh numbers are bonded through polyurethane hot-pressing polymerization, hooked to a double-hook longitudinal beam in the middle of a cambered surface bracket, and tensioned into a cambered surface shape through tensioning devices of two side plates. The full-amplitude supporting high-frequency vibrating screen with the variable tilt angle and the elliptic track has the advantages of being high in vibrating frequency, high in production capacity due to a wide screen body, and adjustable in amplitude and frequency. The full-amplitude supporting high-frequency vibrating screen with the variable tilt angle and the elliptic track can be widely applied to accurate sieving of fine-mesh-level wet materials such as abrasive powder of iron ore ball grinding mills and petroleum drilling mud, coal and chemical mesh-level materials.
Description
Technical field
The invention belongs to vibration screening machinery field, mainly relate to elliptical vibration track, dither number of times and the screening of detailed catalogue sticky material, have variable screen angle, production capacity greatly and the variable incidence double amplitude of self-cleaning mesh feature supporting elliptical orbit high frequency shale shaker.
Background technology
The high frequency shale shaker of prior art, is generally linear vibrating screen, because the compass screen surface of this vibratory sieve is software, and longitudinal tensioning undercapacity of compass screen surface, material easily forms whirlpool shape on compass screen surface, the screening of impact to material.Screen(ing) machine is without adjustable inclination device, and the plug-hole phenomenon of compass screen surface can not get clearing up timely, and oscillation intensity can not be effectively improved, and the screening effect of straight-line oscillation does not reach the best target of detailed catalogue sticky material screening yet.In order to meet the accurate screening of the detailed catalogue level hygrometric state materials such as iron ore ball mill abrasive dust, oil drilling slurry, coal, chemical industry order stage material, must inherit advantage to prior art, abandon not enough improvement.
Summary of the invention
The object of this invention is to provide a kind of level and install, vibration sieve nest inclined angle-adjustable, oscillation trajectory are oval variable incidence double amplitude supporting elliptical orbit high frequency shale shaker.This vibratory sieve adopts vibratory sieve integral hanging, the adjustable negative angle of screen(ing) machine, level, positive angle state; The superfine order hardware screen cloth that both sides distribute in screen box, screen cloth inner side is hooked on the double hook longeron of bracket middle part, the expanded letter mesh structure of tensioning outside screen cloth; Apply three vibrating motors and be arranged on side by side on vibrator mounting rail, mounting rail 45 o that tilt, center line, by vibrating screen box center of gravity, is realized the screening principle of electric motor self-synchronizing elliptical vibrating; Anti-vibration Design ability and the vibratory sieve underframe two-stage vibration isolation of inheriting vibratory sieve entirety, become the superfine mesh vibratory sieve of current high frequency elliptical orbit.
The present invention is achieved by the following measures, is mainly made up of screen frame, vibrator, compass screen surface and damping supporting system, it is characterized in that: be lifted on the screen frame of four groups of gudgeons on the spiral suspension bracket of adjustable double amplitude elastic bearing seat.Vibrator mounting rail is positioned at the top of screen frame discharge end, and three vibrating motors are arranged on the installation seat plate that vibrator mounting rail tilts side by side, and the center line of vibrating motor is perpendicular to sieve box side plate; The specification of vibrating motor that is positioned at both sides is identical, direction of rotation is contrary, and a vibrating motor in the middle of being positioned at is less than or equal to the vibrating motor that is positioned at both sides; Force action line and the compass screen surface of three vibrating motors are 45° angle, and by the center of gravity of screen box, motor synchronizing running makes screen box produce oval movement locus.Three kinds of net application Polyurethane hot pressing polymeric adhesives that order level is different, form the board-like tensioning screen cloth of superfine order level, are hooked on the double hook longeron of cambered surface bracket middle upper part of micro-epirelief, become arc surfaced through the tensioning apparatus tensioning of biside plate.
The spiral suspension bracket of described adjustable double amplitude elastic bearing seat is to have four groups of double amplitude gudgeons in the side plate outside of screen frame, be arranged in the middle of two kinds of rubber springs up and down of double amplitude elastic bearing seat, lower springs is that main spring, upper springs are to pay a spring, and the movable spring seat of four groups of double amplitude elastic bearing seats is connected with underframe with bolt group by hinging pin shaft, adjusting bolt assembly, support.
The described board-like tensioning screen cloth of superfine order level is that high order grade stainless steel screen cloth is that work screen cloth, centre are that thick order grade stainless steel screen cloth is that holder net, bottom are the composite screen meshs that skeleton that large punching expanded metal lath is forward tensioning work screen cloth forms by upper strata; Screen cloth below is connected with bracket, has software rubber seal below screen cloth joint through rubber strip; The resistance to bracket that shakes that described bracket is mainly made up of both sides channel-section steel, I shape crossbeam and triangular supporting frame group.
Underframe feed end top is provided with airtight mud hopper, is provided with steady flow baffle in hopper; Underframe arranged beneath n group secondary vibration isolation rubber spring.The revolution of described vibrating motor is 1470～2900rpm.Vibrosieve individual layer, bilayer, single-deck screen is joined individual layer screen cloth, and double deck screen is joined Double-layer screen.Vibrating motor both sides configure two groups of eccentric blocks, the bias that an adjustable-angle is all set in every group of eccentric block is fast, the adjustment angle of both sides eccentric block group is consistent, changes angle simultaneously and can realize the adjustment of motor statical moment value size, realizes the adjustment of the oval amplitude of vibratory sieve.
Vibratory sieve when work, moisture, overflowed containing mud order stage material the material feeding end that falls into screen cloth by mud hopper.Screen cloth is made elliptical vibration with vibratory sieve, and mud material is along compass screen surface to exhaust end jumping, screening.The oscillation intensity of 1470～2900rpm shake frequency 16g can be by water surface tension fragmentation, separation mud and gravel, the material and the water that are less than mesh are fallen chute off the net through screen cloth, the material that is greater than mesh is discharged by discharge gate, completes the Accurate Classification of 200 order level mud materials.The each elliptical vibration of screen cloth, elliptical orbit two ends all produce the clear net power that is stuck in material in mesh of casting aside.The rubber spring that screen box passes to bottom and top in bearing by four prescription gudgeons by the dither energy to 45o elliptical orbit absorbs, and unabsorbed vibrational energy is absorbed by the secondary rubber shock-absorbing spring of underframe below again.
The invention has the beneficial effects as follows, the strong sieve box of vibrating of anti-seismic performance is by the operation of 4 groups of double amplitude elastic bearings, and the screen box that hanging is installed can be realized negative angle, level, positive angle state screening operation.Wherein level adds 2o screening and is applicable to 200 order optimum breaks screenings after iron ore ball milling; The screening of negative angle material stock is applicable to recovery screening or the 200 order dehydration and drying screenings of metallic ore ball milling mine tailing slip of oil drilling slurry mulling slip 200 order mud.Vibratory sieve is upwards, downwards high frequency elliptical vibration all has caoutchouc elasticity to absorb, high frequency elliptical vibration peak value to vibratory sieve without harm.The rubber spring secondary shock-absorbing system of underframe below can absorb remaining vibration peak again.Can ensure that vibratory sieve is in the smooth working of 1470～2900rpm shake frequency state.
Three elliptical trajectories that vibrating motor forms, can clear up screen cloth at any time; The tensioning screen cloth of good rigidly can keep the arc of compass screen surface stable, and screening effect is good.Have vibration frequency high, the wide production capacity of sieve nest is large, the feature that amplitude and frequency are adjustable.Can be widely used in the accurate screening of the detailed catalogue level hygrometric state materials such as iron ore ball mill abrasive dust, oil drilling slurry, coal, chemical industry order stage material.
Brief description of the drawings
Fig. 1 is structural representation of the present invention, and Fig. 2 is the side view of Fig. 1, and Fig. 3 is the bracket floor map that there is bidirectional hook at middle part, and Fig. 4 is the A place partial enlarged drawing in Fig. 2, and Fig. 5 is suspension type double amplitude resilient supporting unit schematic diagram, the side view that Fig. 6 is Fig. 5.
In figure, 1 is screen frame, 1.1 is discharge gate, 1.2 is vibrator mounting rail, 1.3 is backboard, 1.4 is the side plate of screen frame, 1.5 is the crossbeam of screen frame, 1.6 is bracket, 1.6.1 be bracket middle part double hook longeron, 1.6.2 be triangular supporting frame group, 1.6.3 be I shape crossbeam, 1.6.4 be the channel-section steel of both sides, 1.7 is gudgeon, 2 is elliptical vibration group of motors, 3 is the double amplitude elastic bearing seat of capable of regulating height, 3.1 is support, 3.2 be adjusting bolt assembly, 3.3 be movable spring seat, 3.4 is hinging pin shaft, 3.5 is rubber spring, 3.6 be bolt group, 4 is mud hopper, 5 is compass screen surface, 6 is rubber strip, 7 is tensioning plate assembly, 8 is underframe, 9 is two-stage vibration isolation rubber spring, 10 is electric appliance circuits, 11 is software rubber seal.Arrow represents the direction of Flow of Goods and Materials.
Detailed description of the invention
Below in conjunction with brief description of the drawings the specific embodiment of the present invention, mainly formed by screen frame 1, vibrator 2, compass screen surface 5 and damping supporting system.Screen frame 1 with four groups of gudgeons 1.7 is lifted on the spiral suspension bracket of adjustable double amplitude elastic bearing seat 3; The spiral suspension bracket of described adjustable double amplitude elastic bearing seat 3 is to have 4 groups of double amplitude gudgeons 1.7 in side plate 1.4 outsides of screen frame 1, be arranged in the middle of two kinds of rubber springs 3.5 up and down of double amplitude elastic bearing seat 3, lower springs is that main spring, upper springs are a pair spring, and the movable spring seat 3.3 of four groups of double amplitude elastic bearing seats 3 is connected with underframe 8 by hinging pin shaft 3.4, adjusting bolt assembly 3.2, support 3.1 and bolt group 3.6.Adjust two adjusting bolt assemblies 3.2 of screen box feeding end or discharge end simultaneously, can realize the adjustment to compass screen surface 5 inclination angles.
Vibrator mounting rail 1.2 is positioned at the top of screen frame 1 discharge end, and three vibrating motors are arranged on the installation seat plate that on vibrator mounting rail 1.2, middle part tilts side by side, and the center line of vibrating motor is perpendicular to sieve box side plate 1.4; The specification of vibrating motor that is positioned at both sides is identical, direction of rotation is contrary, and a vibrating motor in the middle of being positioned at is less than the vibrating motor that is positioned at both sides; Force action line and the compass screen surface 5 of three vibrating motors are 45° angle, and by the center of gravity of screen box, motor synchronizing running makes screen box produce oval movement locus, and the revolution of vibrating motor is 2900rpm.
Three kinds of net application Polyurethane hot pressing polymeric adhesives that order level is different, form the board-like tensioning screen cloth of superfine order level, two row's screen clothes, three groups of feeding flow path directions of every row are installed side by side, intermediate hook hangs on the double hook longeron 1.6.1 of cambered surface bracket middle upper part of micro-epirelief, becomes arc surfaced through the tensioning apparatus tensioning of biside plate.The described board-like tensioning screen cloth of superfine order level is that 200 order grade stainless steel screen clothes are that work screen cloth, centre are that the thick order grade stainless steel screen cloth of 25 order levels is that holder net, bottom are the composite screen meshs that skeleton that large punching expanded metal lath is forward tensioning work screen cloth forms by upper strata; Screen cloth below is connected with bracket 1.6, has software rubber seal 11 below screen cloth joint through rubber strip 6; The resistance to bracket that shakes that described bracket 1.6 is mainly made up of both sides channel-section steel 1.6.4, I shape crossbeam 1.6.3 and square tube triangular supporting frame group 1.6.2.
Airtight mud hopper 4 inside of screen box material feeding end arrange backgauge stabilier, can be by the mud buffering of high flow rate, current stabilization, be inducted into uniformly the material feeding end screen cloth of high-frequency screen, 160-200 order transmits 2900prm elliptical vibration, screening containing gravel mud through 1500 × 2500 area screen clothes, realizes desliming, dehydration, the operation of separation gravel.10 groups of secondary vibration isolation rubber springs 9 of underframe 8 arranged beneath.
Claims (5)
1. a variable incidence double amplitude supporting elliptical orbit high frequency shale shaker, mainly formed by screen frame, vibrator, compass screen surface and damping supporting system, it is characterized in that: be (1) lifted on adjustable double amplitude elastic bearing seat spiral suspension bracket (3) with the screen frame of four groups of gudgeons (1.7);
Vibrator mounting rail (1.2) is positioned at the (1) top of discharge end of screen frame, and three vibrating motors are arranged on the installation seat plate that vibrator mounting rail (1.2) tilts side by side, and the center line of vibrating motor is perpendicular to sieve box side plate (1.4); The specification of vibrating motor that is positioned at both sides is identical, direction of rotation is contrary, and a vibrating motor in the middle of being positioned at is less than or equal to the vibrating motor that is positioned at both sides; (5) force action line and the compass screen surface of three vibrating motors are 45° angle, and by the center of gravity of screen box, motor synchronizing running makes screen box produce oval movement locus;
Three kinds of net application Polyurethane hot pressing polymeric adhesives that order level is different, form the board-like tensioning screen cloth of superfine order level, are hooked on the double hook longeron of cambered surface bracket middle upper part of micro-epirelief, become arc surfaced through the tensioning apparatus tensioning of biside plate.
2. variable incidence double amplitude supporting elliptical orbit high frequency shale shaker according to claim 1, it is characterized in that: the spiral suspension bracket of described adjustable double amplitude elastic bearing seat is to have four groups of double amplitude gudgeons in screen frame side plate (1.4) outside (1), be arranged in the middle of double amplitude elastic bearing seat two kinds of rubber springs (3.5) up and down (3), lower springs is main spring, upper springs is for paying spring, four groups of double amplitude elastic bearing seats movable spring seat (3.3) is (3) by hinging pin shaft (3.4), adjusting bolt assembly (3.2), support (3.1) is (8) connected with underframe with bolt group (3.6).
3. variable incidence double amplitude according to claim 1 supporting elliptical orbit high frequency shale shaker, is characterized in that: the described board-like tensioning screen cloth of superfine order level is that high order grade stainless steel screen cloth is that work screen cloth, centre are that thick order grade stainless steel screen cloth is that holder net, bottom are the composite screen meshs that skeleton that large punching expanded metal lath is forward tensioning work screen cloth forms by upper strata; (6) screen cloth below is connected with bracket (1.6), has software rubber seal (11) below screen cloth joint through rubber strip; The resistance to bracket that shakes that described bracket (1.6) is mainly made up of both sides channel-section steel (1.6.4), I shape crossbeam (1.6.3) and triangular supporting frame group (1.6.2).
4. variable incidence double amplitude supporting elliptical orbit high frequency shale shaker according to claim 1, is characterized in that: (4) (8) underframe be provided with airtight mud hopper in feed end top, is provided with steady flow baffle in hopper; (9) underframe (8) arranged beneath n organizes secondary vibration isolation rubber spring.
5. variable incidence double amplitude supporting elliptical orbit high frequency shale shaker according to claim 1, is characterized in that: the revolution of described vibrating motor is 1470～2900rpm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410162467.6A CN103934193A (en) | 2014-04-22 | 2014-04-22 | Full-amplitude supporting high-frequency vibrating screen with variable tilt angle and elliptic track |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410162467.6A CN103934193A (en) | 2014-04-22 | 2014-04-22 | Full-amplitude supporting high-frequency vibrating screen with variable tilt angle and elliptic track |
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| CN103934193A true CN103934193A (en) | 2014-07-23 |
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| CN201410162467.6A Pending CN103934193A (en) | 2014-04-22 | 2014-04-22 | Full-amplitude supporting high-frequency vibrating screen with variable tilt angle and elliptic track |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104289431A (en) * | 2014-10-11 | 2015-01-21 | 江苏楷益智能科技有限公司 | Vibratory blanking device of automatic yellow peach kernel removing machine |
| CN108499838A (en) * | 2018-03-13 | 2018-09-07 | 西南石油大学 | A kind of vibrating mechanism and vibration generating mechanism |
| CN108525997A (en) * | 2018-05-22 | 2018-09-14 | 西南石油大学 | A kind of three shock electric machine elliptically vibrating screens of double tension spring couplings |
| CN108993872A (en) * | 2018-09-05 | 2018-12-14 | 郭晟 | A kind of welding straight line shaker |
| CN109675810A (en) * | 2019-03-01 | 2019-04-26 | 福建南方路面机械有限公司 | A kind of multistage-combination screening plant |
| CN116140196A (en) * | 2023-04-19 | 2023-05-23 | 福建省铁拓机械股份有限公司 | Efficient screening vibrating screen and control method thereof |
| CN117548338A (en) * | 2024-01-11 | 2024-02-13 | 山西园区建设发展集团有限公司 | Closed vibration screening device for concrete mixing |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104289431A (en) * | 2014-10-11 | 2015-01-21 | 江苏楷益智能科技有限公司 | Vibratory blanking device of automatic yellow peach kernel removing machine |
| CN108499838A (en) * | 2018-03-13 | 2018-09-07 | 西南石油大学 | A kind of vibrating mechanism and vibration generating mechanism |
| CN108525997A (en) * | 2018-05-22 | 2018-09-14 | 西南石油大学 | A kind of three shock electric machine elliptically vibrating screens of double tension spring couplings |
| CN108993872A (en) * | 2018-09-05 | 2018-12-14 | 郭晟 | A kind of welding straight line shaker |
| CN108993872B (en) * | 2018-09-05 | 2023-07-25 | 郭晟 | Non-welding linear screen |
| CN109675810A (en) * | 2019-03-01 | 2019-04-26 | 福建南方路面机械有限公司 | A kind of multistage-combination screening plant |
| CN109675810B (en) * | 2019-03-01 | 2024-03-15 | 福建南方路面机械股份有限公司 | Multistage combination screening equipment |
| CN116140196A (en) * | 2023-04-19 | 2023-05-23 | 福建省铁拓机械股份有限公司 | Efficient screening vibrating screen and control method thereof |
| CN117548338A (en) * | 2024-01-11 | 2024-02-13 | 山西园区建设发展集团有限公司 | Closed vibration screening device for concrete mixing |
| CN117548338B (en) * | 2024-01-11 | 2024-03-29 | 山西园区建设发展集团有限公司 | Closed vibration screening device for concrete mixing |
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Application publication date: 20140723 |