CN105478348A - Efficient vibration screening machine and control method thereof - Google Patents
Efficient vibration screening machine and control method thereof Download PDFInfo
- Publication number
- CN105478348A CN105478348A CN201610039459.1A CN201610039459A CN105478348A CN 105478348 A CN105478348 A CN 105478348A CN 201610039459 A CN201610039459 A CN 201610039459A CN 105478348 A CN105478348 A CN 105478348A
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- main
- permanent magnet
- auxiliary
- annular
- rotating shaft
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- 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
- B07B1/34—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen
- B07B1/346—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen with electromagnets
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- 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
Abstract
The invention relates to vibration screening machines and in particular to an efficient vibration screening machine and a control method thereof. The problems that an existing vibration screening machine is limited in application range, noise pollution is caused, and screening efficiency is low are solved. The efficient vibration screening machine comprises a rack, a locking mechanism, a main drive mechanism and an auxiliary ejecting mechanism. The rack comprises a bottom board, supporting rods, cross bars and screen discs. The locking mechanism comprises a center screw, an inner threaded pipe, a grabbing handle, a center lantern ring, radial arms, guide sleeves, screen covers, torsional springs and protective rods. The main drive mechanism comprises a rotary shaft, supporting springs, a sleeve, L-shaped main ejector rods, an upper annular permanent magnet, a lower annular permanent magnet, a main supporting barrel, main electromagnetic coils and a motor. The auxiliary ejecting mechanism comprises connecting rods, auxiliary supporting barrels, buffer springs, buffer boards, cylindrical permanent magnets, auxiliary electromagnetic coils and L-shaped auxiliary ejector rods. The efficient vibration screening machine is suitable for material particle screening in various fields.
Description
Technical field
The present invention relates to vibrating sieving machine, specifically a kind of efficient vibrating sieving machine and control method thereof.
Background technology
Vibrating sieving machine is widely used in the fields such as metallurgy, chemical industry, medicine, building materials, geology, national defence, and its Main Function is the grade screening that compatibility test sieve carries out material.Practice shows, existing vibrating sieving machine limit due to self structure, the following problem of ubiquity: one, the type of drive of existing vibrating sieving machine is only limitted to horizontal vibration, cause the force way of material not comprehensive, therefore, when the material minimum to particle diameter carries out grade screening, its screening effect is unsatisfactory, causes its scope of application limited thus.Its two, existing vibrating sieving machine needs to be driven by vibrating motor, and vibrating motor is in operation and can sends very large noise, brings noise pollution thus.Its three, existing vibrating sieving machine can only coordinate at every turn a pile testing sieve carry out material grade screening, cause screening efficiency low thus.Based on this, be necessary invent a kind of brand-new vibrating sieving machine, with solve the existing vibrating sieving machine scope of application limited, bring the problem that noise pollution, screening efficiency are low.
Summary of the invention
The present invention in order to solve the existing vibrating sieving machine scope of application limited, bring the problem that noise pollution, screening efficiency are low, provide a kind of efficient vibrating sieving machine and control method thereof.
The present invention adopts following technical scheme to realize:
A kind of efficient vibrating sieving machine, comprises frame, retaining mechanism, main driving mechanism, auxiliary top hits mechanism;
Described frame comprises base plate, support bar, crosspiece, screen tray;
The face center of base plate offers the aperture of N number of up/down perforation respectively, and N number of aperture is around the axis equidistant arrangement of base plate; The marginal surface of base plate offers the macropore of N number of up/down perforation respectively, and N number of macropore is around the axis equidistant arrangement of base plate; The number of support bar is N number of; N number of support bar is all vertically fixed on the top surface edge of base plate, and N number of support bar is around the axis equidistant arrangement of base plate; Crosspiece is n-shaped structure, and N number of angle end of crosspiece is fixed with the upper end of N number of support bar respectively; The number of screen tray is N number of; All upward, and the web of N number of screen tray is outer flanging to the Pan Kou of N number of screen tray; N number of screen tray runs through N number of macropore respectively, and the web of N number of screen tray is overlapped in the upper end orifice edge of N number of macropore respectively; The outer bottom of N number of screen tray is respectively fixed with a L shape coupler body;
Described retaining mechanism comprises center bolt, riffled tube, lever, the center collar, radial arm, guide pin bushing, screen cover, torsion spring, guard bar;
The axis of center bolt and the axis of base plate overlap; The lower end bifurcated of center bolt goes out N number of point of pole, and N number of point of pole runs through N number of aperture respectively; Riffled tube is screwed the top in center bolt, and the lateral surface bottom of riffled tube is respectively equipped with two annular protrusions; The number of lever is two; Two levers are all vertically fixed on the lateral surface top of riffled tube, and the axis of two levers overlaps; The center collar rotates the lateral surface being assemblied in riffled tube, and the center collar is between two annular protrusions; The number of radial arm is 2N; 2N radial arm is all vertically fixed on the lateral surface of the center collar, and 2N radial arm is around the axis equidistant arrangement of the center collar; The number of guide pin bushing is N number of; N number of guide pin bushing is individually fixed in the outer end of wherein N number of radial arm, and N number of guide pin bushing difference slidable fit is on N number of support bar; The number of screen cover is N number of; N number of screen cover is individually fixed in the outer end of other N number of radial arm, and N number of screen cover is facing each other with N number of screen tray respectively; The lateral surface of N number of screen cover is respectively provided with a hook-type projection, and the protruding axis equidistant arrangement around center bolt of N number of hook-type; The number of torsion spring is N number of; N number of torsion spring is all fixed on the top surface edge of base plate, and N number of torsion spring is around the axis equidistant arrangement of base plate; The number of guard bar is N number of; The lower end of N number of guard bar is articulated with the upper surface of base plate respectively by N number of torsion spring, and the top of N number of guard bar difference inlay card is in N number of hook-type projection;
Described main driving mechanism comprises permanent magnet in rotating shaft, support spring, sleeve, the main push rod of L shape, annular, annular lower permanent magnet, main support tube, main electromagnetic coil, motor;
Rotating shaft is positioned at the below of base plate, and the axis of the axis of rotating shaft and base plate overlaps; The upper surface of rotating shaft offers N number of shrinkage pool respectively, and N number of shrinkage pool is facing each other with the N number of aperture on base plate respectively; The lower end of N number of point of pole is stretched in N number of shrinkage pool respectively; The side surface upper part of rotating shaft is provided with annular umbrella-like boss; The number of support spring is N number of, and N number of support spring lays respectively in N number of shrinkage pool; The upper end of N number of support spring is fixed with the lower surface of N number of point of pole respectively, and the lower end of N number of support spring is fixed with the bottom surface of N number of shrinkage pool respectively; Sleeve slidable fit is in rotating shaft, and sleeve is positioned at the below of annular umbrella-like boss; The number of the main push rod of L shape is N number of; The horizon bar of the main push rod of N number of L shape is all vertically fixed on the lateral surface top of sleeve, and the main push rod of N number of L shape is around the axis equidistant arrangement of sleeve; The vertical bar of the main push rod of N number of L shape lays respectively at the below of N number of screen tray; The vertical bar upper end of the main push rod of N number of L shape all in hook formation, and the vertical bar upper end of the main push rod of N number of L shape respectively with N number of L shape coupler body clasp joint; In annular, permanent magnet slidable fit is in rotating shaft, and annular is above provided with non-magnetic layer between permanent magnet and rotating shaft; In annular, the upper surface of permanent magnet and the lower surface of sleeve are fixed; The lower permanent magnet of annular is fixedly assemblied in rotating shaft, and is provided with non-magnetic layer between permanent magnet and rotating shaft under annular; The upper surface of the lower permanent magnet of annular is facing each other with the lower surface of permanent magnet in annular, and annular down the upper surface of permanent magnet be the magnetic pole strength that polarity is identical with the lower surface of permanent magnet in annular; The upper end of main support tube is provided with uncovered, and lower end is provided with end wall; The lower end end wall central authorities of main support tube offer the pilot hole of up/down perforation, and main support tube is fixedly assemblied in rotating shaft by this pilot hole; The number of main electromagnetic coil is two; Two main electromagnetic coils are respectively around outside the upper end being arranged at the upper permanent magnet of annular and lower end outside, and two main electromagnetic coils are all fixed on the medial surface of main support tube; Two main electromagnetic coils around to identical; The output shaft of motor is connected with the lower end of rotating shaft;
Described auxiliary top is hit mechanism and is comprised connecting rod, supplemental support cylinder, buffer spring, buffer board, cylindricality permanent magnet, auxiliary electromagnetic coil, L shape assistant ejector pin;
The number of connecting rod is N number of; N number of connecting rod is all vertically fixed on the lower surface edge of base plate, and N number of connecting rod is around the axis equidistant arrangement of base plate; The number of supplemental support cylinder is N number of, and the two ends of N number of supplemental support cylinder are equipped with end wall; Respectively offer axial slide opening through inside and outside in the middle part of the sidewall of N number of supplemental support cylinder, and N number of axial slide opening is all towards rotating shaft; The upper outer face of N number of supplemental support cylinder is fixed with the lower surface of N number of connecting rod respectively; The number of buffer spring is 2N, and 2N buffer spring is vertically fixed on the upper inner face of N number of supplemental support cylinder and lower inner face respectively; The number of buffer board is 2N, and 2N buffer board is individually fixed in the movable end of 2N buffer spring; The number of cylindricality permanent magnet is N number of; The side surface upper part of N number of cylindricality permanent magnet and side lower is each is fixedly equipped with a centring disk, and 2N centring disk respectively slidable fit in the inner chamber top of N number of supplemental support cylinder and inner chamber bottom; The upper surface of N number of cylindricality permanent magnet and lower surface are facing each other with 2N buffer board respectively; The number of auxiliary electromagnetic coil is 2N; 2N auxiliary electromagnetic coil is individually fixed in the upper inner face of N number of supplemental support cylinder and lower inner face, and 2N auxiliary electromagnetic coil is respectively around outside the upper end being arranged at N number of cylindricality permanent magnet and lower end outside; 2N auxiliary electromagnetic coil around to all identical; The number of L shape assistant ejector pin is N number of; The horizon bar of N number of L shape assistant ejector pin is each passed through N number of axial slide opening and is vertically fixed in the middle part of the side of N number of cylindricality permanent magnet, and the vertical bar of N number of L shape assistant ejector pin lays respectively at the below of N number of screen tray;
N is positive integer, and N >=2.
Also comprise electric supply installation; Described electric supply installation comprises main slip ring, main carbon brush, auxiliary slip ring, auxiliary carbon brush;
The number of main slip ring is two; Two main slip rings are all fixedly assemblied in rotating shaft, and mutually insulated between two main slip rings; Head end around the main electromagnetic coil outside the upper end being arranged at the upper permanent magnet of annular is all connected with first main slip ring with the tail end of main electromagnetic coil around the lower end outside being arranged at the upper permanent magnet of annular; Tail end around the main electromagnetic coil outside the upper end being arranged at the upper permanent magnet of annular is all connected with second main slip ring with the head end of main electromagnetic coil around the lower end outside being arranged at the upper permanent magnet of annular; The number of main carbon brush is two, and two main carbon brush slidingly contact with two main slip rings respectively; The number of auxiliary slip ring is two; Two auxiliary slip rings are all fixedly assemblied in rotating shaft, and mutually insulated between two auxiliary slip rings; Head end around 2N auxiliary electromagnetic coil outside the upper end being arranged at N number of cylindricality permanent magnet is all connected with first auxiliary slip ring with the tail end of 2N auxiliary electromagnetic coil around the lower end outside being arranged at N number of cylindricality permanent magnet; Tail end around 2N auxiliary electromagnetic coil outside the upper end being arranged at N number of cylindricality permanent magnet is all connected with second auxiliary slip ring with the head end of 2N auxiliary electromagnetic coil around the lower end outside being arranged at N number of cylindricality permanent magnet; The number of auxiliary carbon brush is two, and two auxiliary carbon brush slidingly contact with two auxiliary slip rings respectively.
Also comprise governor motion; Described governor motion comprises fixed head, portable plate, welding neck flange, adjusting screw(rod), adjusting bolt;
Portable plate is positioned at the top of fixed head, and the left hand edge of the left hand edge of portable plate and fixed head is hinged; The surperficial right hand edge of portable plate offers the installing hole of up/down perforation; The medial surface of welding neck flange is provided with internal thread, and the neck lateral surface of welding neck flange is provided with external screw thread; The neck penetrating mounting holes of welding neck flange, and the head of welding neck flange is positioned at the below of portable plate; Adjusting screw(rod) is vertically fixed on the surperficial right hand edge of fixed head, and the top of adjusting screw(rod) is screwed the inner chamber in welding neck flange; Adjusting bolt is screwed the neck lateral surface in welding neck flange, and adjusting bolt is positioned at the top of portable plate; The support of motor is fixed on the upper surface of portable plate, and the output shaft of motor is mutually vertical with the upper surface of portable plate.
A kind of control method (the method is for controlling the efficient vibrating sieving machine of one of the present invention) of efficient vibrating sieving machine, the method adopts following steps to realize:
A. the locking of testing sieve: first, piles up testing sieve and is placed on N number of screen tray respectively by N; Then, by two lever turn riffled tubes, and riffled tube is moved down along center bolt, riffled tube drives center ring to move down thus, the center collar drives 2N radial arm to move down together thus, wherein N number of radial arm drives N number of guide pin bushing to move down together along N number of support bar thus, N number of radial arm drives N number of screen cover to move down together thus in addition, N number of hook-type projection moves down together along N number of guard bar thus, N number of screen cover presses N pile testing sieve thus together downwards, thus N is piled up testing sieve locking;
B. the rotation of testing sieve and vibration control: first, starter motor, motor drives permanent magnet in N number of support spring, sleeve, the main push rod of N number of L shape, annular, the lower permanent magnet of annular, main support tube, two main electromagnetic coils, frame, retaining mechanisms by rotating shaft thus, auxiliary top hits mechanism, two main slip rings, two auxiliary slip rings, N pile up testing sieves and rotate together; Then, pulse voltage is applied between two main carbon brush, two main slip rings pass into pulse current to two main electromagnetic coils thus, and the electric current making two main electromagnetic coils equal and opposite in direction, direction are contrary all the time, two main electromagnetic coils produce the contrary pulsed magnetic field in two equal and opposite in directions, direction thus; Under the acting in conjunction of two pulsed magnetic fields, in annular, permanent magnet vibrates along rotating shaft, and drive the main push rod of N number of L shape to vibrate together by sleeve, the main push rod of N number of L shape upwards pushes up together thus and hits N number of screen tray, N number of screen tray is vibrated together, and N number of screen tray drives center bolt, riffled tube, two levers, the center collar, a 2N radial arm, N number of guide pin bushing, N number of screen cover, N to pile up testing sieves and vibrate together thus; Meanwhile, pulse voltage is applied between two auxiliary carbon brush, two auxiliary slip rings pass into pulse current to 2N auxiliary electromagnetic coil thus, and the electric current making two auxiliary electromagnetic coils be fixed on same supplemental support cylinder equal and opposite in direction, direction are contrary all the time, two auxiliary electromagnetic coils be fixed on same supplemental support cylinder produce the contrary pulsed magnetic field in two equal and opposite in directions, direction thus; Under the acting in conjunction of 2N pulsed magnetic field, N number of cylindricality permanent magnet vibrates together, and drive N number of L shape assistant ejector pin to vibrate together, N number of L shape assistant ejector pin upwards pushes up together thus and hits N number of screen tray, N number of screen tray is vibrated together, and N number of screen tray drives center bolt, riffled tube, two levers, the center collar, a 2N radial arm, N number of guide pin bushing, N number of screen cover, N to pile up testing sieves and vibrate together thus; In vibration processes, N number of support spring carries out dilatation together; Under the effect of homopolar-repulsion, annular is descended between the lower surface of permanent magnet in the upper surface of permanent magnet and annular and is remained distance, carries out spacing thus to permanent magnet in annular;
C. the inclination control of testing sieve: turn welding neck flange, welding neck flange is moved up along adjusting screw(rod), welding neck flange drives portable plate to move up thus, angle between portable plate and fixed head is increased, portable plate thus drive motor tilts, and motor drives permanent magnet in N number of support spring, sleeve, the main push rod of N number of L shape, annular, the lower permanent magnet of annular, main support tube, two main electromagnetic coils, frame, retaining mechanisms by rotating shaft thus, auxiliary top hits mechanism, two main slip rings, two auxiliary slip rings, N pile up testing sieves and tilt together;
D. under the acting in conjunction of rotation, vibration, inclination, the material that N piles up in testing sieve is subject to revolving force, vibration force, tilting force simultaneously, and under the acting in conjunction of revolving force, vibration force, tilting force, realize grade screening.
Compared with existing vibrating sieving machine, a kind of efficient vibrating sieving machine of the present invention and control method thereof are by adopting brand-new structure and principle, possesses following advantage: one, type of drive of the present invention is no longer only limitted to horizontal vibration, but contain rotation, vibration, inclination three kinds of type of drive, make the force way of material more comprehensive thus, therefore it is when the material minimum to particle diameter carries out grade screening, screening effect is very good, makes the scope of application no longer limited thus.Its two, the present invention is no longer driven by vibrating motor, but is driven by common electric machine, effectively reduces noise pollution thus.Its three, the present invention can coordinate at every turn N pile up testing sieve carry out material grade screening, significantly improved screening efficiency thus.
The present invention efficiently solve the existing vibrating sieving machine scope of application limited, bring the problem that noise pollution, screening efficiency are low, be applicable to various field material grade screening.
Accompanying drawing explanation
Fig. 1 is a kind of frame of efficient vibrating sieving machine of the present invention and the structural representation of retaining mechanism.
Fig. 2 is the structural representation that the main driving mechanism of a kind of efficient vibrating sieving machine of the present invention and auxiliary top hit mechanism.
Fig. 3 is the structural representation of the electric supply installation of a kind of efficient vibrating sieving machine of the present invention.
Fig. 4 is the structural representation of the governor motion of a kind of efficient vibrating sieving machine of the present invention.
Fig. 5 is the first waveform schematic diagram of the pulse voltage of the control method of a kind of efficient vibrating sieving machine of the present invention.
Fig. 6 is the second waveform schematic diagram of the pulse voltage of the control method of a kind of efficient vibrating sieving machine of the present invention.
Fig. 7 is the third waveform schematic diagram of the pulse voltage of the control method of a kind of efficient vibrating sieving machine of the present invention.
Fig. 8 is the 4th kind of waveform schematic diagram of the pulse voltage of the control method of a kind of efficient vibrating sieving machine of the present invention.
Fig. 9 is the 5th kind of waveform schematic diagram of the pulse voltage of the control method of a kind of efficient vibrating sieving machine of the present invention.
Figure 10 is the 6th kind of waveform schematic diagram of the pulse voltage of the control method of a kind of efficient vibrating sieving machine of the present invention.
Figure 11 is the 7th kind of waveform schematic diagram of the pulse voltage of the control method of a kind of efficient vibrating sieving machine of the present invention.
Figure 12 is the 8th kind of waveform schematic diagram of the pulse voltage of the control method of a kind of efficient vibrating sieving machine of the present invention.
Figure 13 is the 9th kind of waveform schematic diagram of the pulse voltage of the control method of a kind of efficient vibrating sieving machine of the present invention.
Figure 14 is the tenth kind of waveform schematic diagram of the pulse voltage of the control method of a kind of efficient vibrating sieving machine of the present invention.
Figure 15 is the 11 kind of waveform schematic diagram of the pulse voltage of the control method of a kind of efficient vibrating sieving machine of the present invention.
Figure 16 is the 12 kind of waveform schematic diagram of the pulse voltage of the control method of a kind of efficient vibrating sieving machine of the present invention.
In figure: 1-base plate, 2-support bar, 3-crosspiece, 4-screen tray, 5-center bolt, 6-riffled tube, 7-lever, the 8-center collar, 9-radial arm, 10-guide pin bushing, 11-screen cover, 12-torsion spring, 13-guard bar, 14-rotating shaft, 15-support spring, 16-sleeve, the main push rod of 17-L shape, permanent magnet in 18-annular, permanent magnet under 19-annular, the main support tube of 20-, 21-main electromagnetic coil, 22-motor, 23-connecting rod, 24-supplemental support cylinder, 25-buffer spring, 26-buffer board, 27-cylindricality permanent magnet, 28-auxiliary electromagnetic coil, 29-L shape assistant ejector pin, the main slip ring of 30-, the main carbon brush of 31-, 32-assists slip ring, 33-assists carbon brush, 34-fixed head, 35-portable plate, 36-welding neck flange, 37-adjusting screw(rod), 38-adjusting bolt, 39-centring disk, 40-L shape coupler body.
Detailed description of the invention
A kind of efficient vibrating sieving machine, comprises frame, retaining mechanism, main driving mechanism, auxiliary top hits mechanism;
Described frame comprises base plate 1, support bar 2, crosspiece 3, screen tray 4;
The face center of base plate 1 offers the aperture of N number of up/down perforation respectively, and N number of aperture is around the axis equidistant arrangement of base plate 1; The marginal surface of base plate 1 offers the macropore of N number of up/down perforation respectively, and N number of macropore is around the axis equidistant arrangement of base plate 1; The number of support bar 2 is N number of; N number of support bar 2 is all vertically fixed on the top surface edge of base plate 1, and N number of support bar 2 is around the axis equidistant arrangement of base plate 1; Crosspiece 3 is n-shaped structure, and N number of angle end of crosspiece 3 is fixed with the upper end of N number of support bar 2 respectively; The number of screen tray 4 is N number of; All upward, and the web of N number of screen tray 4 is outer flanging to the Pan Kou of N number of screen tray 4; N number of screen tray 4 runs through N number of macropore respectively, and the web of N number of screen tray 4 is overlapped in the upper end orifice edge of N number of macropore respectively; The outer bottom of N number of screen tray 4 is respectively fixed with a L shape coupler body 40;
Described retaining mechanism comprises center bolt 5, riffled tube 6, lever 7, the center collar 8, radial arm 9, guide pin bushing 10, screen cover 11, torsion spring 12, guard bar 13;
The axis of center bolt 5 and the axis of base plate 1 overlap; The lower end bifurcated of center bolt 5 goes out N number of point of pole, and N number of point of pole runs through N number of aperture respectively; Riffled tube 6 is screwed the top in center bolt 5, and the lateral surface bottom of riffled tube 6 is respectively equipped with two annular protrusions; The number of lever 7 is two; Two levers 7 are all vertically fixed on the lateral surface top of riffled tube 6, and the axis of two levers 7 overlaps; The center collar 8 rotates the lateral surface being assemblied in riffled tube 6, and the center collar 8 is between two annular protrusions; The number of radial arm 9 is 2N; 2N radial arm 9 is all vertically fixed on the lateral surface of the center collar 8, and 2N radial arm 9 is around the axis equidistant arrangement of the center collar 8; The number of guide pin bushing 10 is N number of; N number of guide pin bushing 10 is individually fixed in the outer end of wherein N number of radial arm 9, and N number of guide pin bushing 10 difference slidable fit is on N number of support bar 2; The number of screen cover 11 is N number of; N number of screen cover 11 is individually fixed in the outer end of other N number of radial arm 9, and N number of screen cover 11 is facing each other with N number of screen tray 4 respectively; The lateral surface of N number of screen cover 11 is respectively provided with a hook-type projection, and the protruding axis equidistant arrangement around center bolt 5 of N number of hook-type; The number of torsion spring 12 is N number of; N number of torsion spring 12 is all fixed on the top surface edge of base plate 1, and N number of torsion spring 12 is around the axis equidistant arrangement of base plate 1; The number of guard bar 13 is N number of; The lower end of N number of guard bar 13 is articulated with the upper surface of base plate 1 respectively by N number of torsion spring 12, and the top of N number of guard bar 13 difference inlay card is in N number of hook-type projection;
Described main driving mechanism comprises permanent magnet 18 in rotating shaft 14, support spring 15, sleeve 16, the main push rod 17 of L shape, annular, annular lower permanent magnet 19, main support tube 20, main electromagnetic coil 21, motor 22;
Rotating shaft 14 is positioned at the below of base plate 1, and the axis of the axis of rotating shaft 14 and base plate 1 overlaps; The upper surface of rotating shaft 14 offers N number of shrinkage pool respectively, and N number of shrinkage pool is facing each other with the N number of aperture on base plate 1 respectively; The lower end of N number of point of pole is stretched in N number of shrinkage pool respectively; The side surface upper part of rotating shaft 14 is provided with annular umbrella-like boss; The number of support spring 15 is N number of, and N number of support spring 15 lays respectively in N number of shrinkage pool; The upper end of N number of support spring 15 is fixed with the lower surface of N number of point of pole respectively, and the lower end of N number of support spring 15 is fixed with the bottom surface of N number of shrinkage pool respectively; Sleeve 16 slidable fit is in rotating shaft 14, and sleeve 16 is positioned at the below of annular umbrella-like boss; The number of the main push rod of L shape 17 is N number of; The horizon bar of the main push rod 17 of N number of L shape is all vertically fixed on the lateral surface top of sleeve 16, and the main push rod 17 of N number of L shape is around the axis equidistant arrangement of sleeve 16; The vertical bar of the main push rod of N number of L shape 17 lays respectively at the below of N number of screen tray 4; The vertical bar upper end of the main push rod of N number of L shape 17 all in hook formation, and the vertical bar upper end of the main push rod of N number of L shape 17 respectively with N number of L shape coupler body 40 clasp joint; In annular, permanent magnet 18 slidable fit is in rotating shaft 14, and annular is above provided with non-magnetic layer between permanent magnet 18 and rotating shaft 14; In annular, the upper surface of permanent magnet 18 and the lower surface of sleeve 16 are fixed; The lower permanent magnet 19 of annular is fixedly assemblied in rotating shaft 14, and is provided with non-magnetic layer between permanent magnet 19 and rotating shaft 14 under annular; The upper surface of the lower permanent magnet 19 of annular is facing each other with the lower surface of permanent magnet 18 in annular, and annular down the upper surface of permanent magnet 19 be the magnetic pole strength that polarity is identical with the lower surface of permanent magnet in annular 18; The upper end of main support tube 20 is provided with uncovered, and lower end is provided with end wall; The lower end end wall central authorities of main support tube 20 offer the pilot hole of up/down perforation, and main support tube 20 is fixedly assemblied in rotating shaft 14 by this pilot hole; The number of main electromagnetic coil 21 is two; Two main electromagnetic coils 21 are respectively around outside the upper end being arranged at the upper permanent magnet 18 of annular and lower end outside, and two main electromagnetic coils 21 are all fixed on the medial surface of main support tube 20; Two main electromagnetic coils 21 around to identical; The output shaft of motor 22 is connected with the lower end of rotating shaft 14;
Described auxiliary top is hit mechanism and is comprised connecting rod 23, supplemental support cylinder 24, buffer spring 25, buffer board 26, cylindricality permanent magnet 27, auxiliary electromagnetic coil 28, L shape assistant ejector pin 29;
The number of connecting rod 23 is N number of; N number of connecting rod 23 is all vertically fixed on the lower surface edge of base plate 1, and N number of connecting rod 23 is around the axis equidistant arrangement of base plate 1; The number of supplemental support cylinder 24 is N number of, and the two ends of N number of supplemental support cylinder 24 are equipped with end wall; Respectively offer axial slide opening through inside and outside in the middle part of the sidewall of N number of supplemental support cylinder 24, and N number of axial slide opening is all towards rotating shaft 14; The upper outer face of N number of supplemental support cylinder 24 is fixed with the lower surface of N number of connecting rod 23 respectively; The number of buffer spring 25 is 2N, and 2N buffer spring 25 is vertically fixed on the upper inner face of N number of supplemental support cylinder 24 and lower inner face respectively; The number of buffer board 26 is 2N, and 2N buffer board 26 is individually fixed in the movable end of 2N buffer spring 25; The number of cylindricality permanent magnet 27 is N number of; The side surface upper part of N number of cylindricality permanent magnet 27 and side lower is each is fixedly equipped with a centring disk 39, and 2N centring disk 39 respectively slidable fit in the inner chamber top of N number of supplemental support cylinder 24 and inner chamber bottom; The upper surface of N number of cylindricality permanent magnet 27 and lower surface are facing each other with 2N buffer board 26 respectively; The number of auxiliary electromagnetic coil 28 is 2N; 2N auxiliary electromagnetic coil 28 is individually fixed in the upper inner face of N number of supplemental support cylinder 24 and lower inner face, and 2N auxiliary electromagnetic coil 28 is respectively around outside the upper end being arranged at N number of cylindricality permanent magnet 27 and lower end outside; 2N auxiliary electromagnetic coil 28 around to all identical; The number of L shape assistant ejector pin 29 is N number of; The horizon bar of N number of L shape assistant ejector pin 29 is each passed through N number of axial slide opening and is vertically fixed in the middle part of the side of N number of cylindricality permanent magnet 27, and the vertical bar of N number of L shape assistant ejector pin 29 lays respectively at the below of N number of screen tray 4;
N is positive integer, and N >=2.
Also comprise electric supply installation; Described electric supply installation comprises main slip ring 30, main carbon brush 31, auxiliary slip ring 32, auxiliary carbon brush 33;
The number of main slip ring 30 is two; Two main slip rings 30 are all fixedly assemblied in rotating shaft 14, and mutually insulated between two main slip rings 30; Head end around the main electromagnetic coil 21 outside the upper end being arranged at the upper permanent magnet 18 of annular is connected with all main with first slip ring 30 of tail end of main electromagnetic coil 21 around the lower end outside being arranged at the upper permanent magnet 18 of annular; Tail end around the main electromagnetic coil 21 outside the upper end being arranged at the upper permanent magnet 18 of annular is connected with all main with second slip ring 30 of head end of main electromagnetic coil 21 around the lower end outside being arranged at the upper permanent magnet 18 of annular; The number of main carbon brush 31 is two, and two main carbon brush 31 main slip ring 30 slidingly contacts with two respectively; The number of auxiliary slip ring 32 is two; Two auxiliary slip rings 32 are all fixedly assemblied in rotating shaft 14, and mutually insulated between two auxiliary slip rings 32; Head end around 2N auxiliary electromagnetic coil 28 outside the upper end being arranged at N number of cylindricality permanent magnet 27 is connected with all auxiliary with first slip ring 32 of tail end of 2N auxiliary electromagnetic coil 28 around the lower end outside being arranged at N number of cylindricality permanent magnet 27; Tail end around 2N auxiliary electromagnetic coil 28 outside the upper end being arranged at N number of cylindricality permanent magnet 27 is connected with all auxiliary with second slip ring 32 of head end of 2N auxiliary electromagnetic coil 28 around the lower end outside being arranged at N number of cylindricality permanent magnet 27; The number of auxiliary carbon brush 33 is two, and two auxiliary carbon brush 33 auxiliary slip ring 32 slidingly contacts with two respectively.
Also comprise governor motion; Described governor motion comprises fixed head 34, portable plate 35, welding neck flange 36, adjusting screw(rod) 37, adjusting bolt 38;
Portable plate 35 is positioned at the top of fixed head 34, and the left hand edge of the left hand edge of portable plate 35 and fixed head 34 is hinged; The surperficial right hand edge of portable plate 35 offers the installing hole of up/down perforation; The medial surface of welding neck flange 36 is provided with internal thread, and the neck lateral surface of welding neck flange 36 is provided with external screw thread; The neck penetrating mounting holes of welding neck flange 36, and the head of welding neck flange 36 is positioned at the below of portable plate 35; Adjusting screw(rod) 37 is vertically fixed on the surperficial right hand edge of fixed head 34, and the top of adjusting screw(rod) 37 is screwed the inner chamber in welding neck flange 36; Adjusting bolt 38 is screwed the neck lateral surface in welding neck flange 36, and adjusting bolt 38 is positioned at the top of portable plate 35; The support of motor 22 is fixed on the upper surface of portable plate 35, and the output shaft of motor 22 is mutually vertical with the upper surface of portable plate 35.
A kind of control method (the method is for controlling the efficient vibrating sieving machine of one of the present invention) of efficient vibrating sieving machine, the method adopts following steps to realize:
A. the locking of testing sieve: first, piles up testing sieve and is placed on N number of screen tray 4 respectively by N, then, by two lever 7 turn riffled tubes 6, and riffled tube 6 is moved down along center bolt 5, riffled tube 6 drives the center collar 8 to move down thus, the center collar 8 drives 2N radial arm 9 to move down together thus, wherein N number of radial arm 9 drives N number of guide pin bushing 10 to move down together along N number of support bar 2 thus, N number of radial arm 9 drives N number of screen cover 11 to move down together thus in addition, N number of hook-type projection moves down together along N number of guard bar 13 thus, N number of screen cover 11 presses N pile testing sieve thus together downwards, thus N is piled up testing sieve locking,
B. the rotation of testing sieve and vibration control: first, starter motor 22, motor 22 drives that permanent magnet 18 in N number of support spring 15, sleeve 16, the main push rod 17 of N number of L shape, annular, the lower permanent magnet 19 of annular, main support tube 20, two main electromagnetic coils 21, frame, retaining mechanism, auxiliary top hit mechanism, two main slip rings, 30, two auxiliary slip rings 32, N pile up testing sieve and rotate together thus by rotating shaft 14; Then, pulse voltage is applied between two main carbon brush 31, two main slip rings 30 pass into pulse current to two main electromagnetic coils 21 thus, and the electric current making two main electromagnetic coils 21 equal and opposite in direction, direction are contrary all the time, two main electromagnetic coils 21 produce the contrary pulsed magnetic field in two equal and opposite in directions, direction thus; Under the acting in conjunction of two pulsed magnetic fields, in annular, permanent magnet 18 vibrates along rotating shaft 14, and drive the main push rod 17 of N number of L shape to vibrate together by sleeve 16, the main push rod of N number of L shape 17 upwards pushes up together thus and hits N number of screen tray 4, N number of screen tray 4 is vibrated together, and N number of screen tray 4 drives center bolt 5, riffled tube 6, two levers 7, the center collar 8, a 2N radial arm 9, N number of guide pin bushing 10, N number of screen cover 11, N pile testing sieve to vibrate together thus; Meanwhile, pulse voltage is applied between two auxiliary carbon brush 33, two auxiliary slip rings 32 pass into pulse current to 2N auxiliary electromagnetic coil 28 thus, and the electric current making two auxiliary electromagnetic coils 28 be fixed on same supplemental support cylinder 24 equal and opposite in direction, direction are contrary all the time, two auxiliary electromagnetic coils 28 be fixed on same supplemental support cylinder 24 produce the contrary pulsed magnetic field in two equal and opposite in directions, direction thus; Under the acting in conjunction of 2N pulsed magnetic field, N number of cylindricality permanent magnet 27 vibrates together, and drive N number of L shape assistant ejector pin 29 to vibrate together, N number of L shape assistant ejector pin 29 upwards pushes up together thus and hits N number of screen tray 4, N number of screen tray 4 is vibrated together, and N number of screen tray 4 drives center bolt 5, riffled tube 6, two levers 7, the center collar 8, a 2N radial arm 9, N number of guide pin bushing 10, N number of screen cover 11, N pile testing sieve to vibrate together thus; In vibration processes, N number of support spring 15 carries out dilatation together; Under the effect of homopolar-repulsion, annular is descended between the lower surface of permanent magnet 18 in the upper surface of permanent magnet 19 and annular and is remained distance, carries out spacing thus to permanent magnet in annular 18;
C. the inclination control of testing sieve: turn welding neck flange 36, welding neck flange 36 is moved up along adjusting screw(rod) 37, welding neck flange 36 drives portable plate 35 to move up thus, angle between portable plate 35 and fixed head 34 is increased, portable plate 35 thus drive motor 22 tilts, motor 22 drives N number of support spring 15 by rotating shaft 14 thus, sleeve 16, the main push rod 17 of N number of L shape, permanent magnet 18 in annular, the lower permanent magnet 19 of annular, main support tube 20, two main electromagnetic coils 21, frame, retaining mechanism, auxiliary top hits mechanism, two main slip rings 30, two auxiliary slip rings 32, N piles up testing sieve and tilts together,
D. under the acting in conjunction of rotation, vibration, inclination, the material that N piles up in testing sieve is subject to revolving force, vibration force, tilting force simultaneously, and under the acting in conjunction of revolving force, vibration force, tilting force, realize grade screening.
During concrete enforcement, N=3.Described pulse voltage can adopt following several waveform: one, described pulse voltage adopts rectangular pulse DC voltage (as shown in Figure 5) or the rectangle bidirectional pulse alternating voltage (as shown in Figure 6) that dutycycle is 0.05-0.8, frequency is 0.5Hz-20KHz.Two, described pulse voltage adopts pointed pulsed dc voltage (as shown in Figure 7) or the pointed bidirectional pulse alternating voltage (as shown in Figure 8) that dutycycle is 0.05-0.8, frequency is 0.5Hz-20KHz.Three, described pulse voltage adopts stairstepping pulsed dc voltage (as shown in Figure 9) or the stairstepping bidirectional pulse alternating voltage (as shown in Figure 10) that dutycycle is 0.05-0.8, frequency is 0.5Hz-20KHz.Four, described pulse voltage adopts that dutycycle is 0.05-0.8, frequency is the sharp arc pulsed dc voltage (as shown in figure 11) of 0.5Hz-20KHz or sharp arc bidirectional pulse alternating voltage (as shown in figure 12).Five, described pulse voltage adopts that dutycycle is 0.05-0.8, frequency is 0.5Hz-20KHz mixed type pulsed dc voltage (as shown in figure 13) or mixed type bidirectional pulse alternating voltage (as shown in figure 14).Six, described pulse voltage adopts that dutycycle is indefinite, frequency is 0.5Hz-20KHz pulsed dc voltage (as shown in figure 15) or bidirectional pulse alternating voltage (as shown in figure 16).The horizon bar of the main push rod of described L shape 17 is the scalable body of rod, its role is to: by the length of telescopic adjustment horizon bar, and the vertical masthead of the main push rod of L shape can be made to hit the different parts of screen tray.In described annular, the arc-shaped permanent magnet of the axis equidistant arrangement of permanent magnet 18, lower permanent magnet 19 several twisted rotary shafts 14 all available of annular substitutes.The output shaft of described motor 22 is connected by gear reduction unit with the lower end of rotating shaft 14, its role is to: the rotating speed that can be reduced rotating shaft by gear reduction unit, realizes low cruise thus.The described center collar 8 rotates the lateral surface being assemblied in riffled tube 6 and refers to: the center collar can rotate around riffled tube, but cannot move up and down along riffled tube.Described sleeve 16 slidable fit refers in rotating shaft 14: sleeve can move up and down along rotating shaft, but cannot rotate around rotating shaft.In described annular, permanent magnet 18 slidable fit refers in rotating shaft 14: in annular, permanent magnet can move up and down along rotating shaft, but cannot rotate around rotating shaft.
Claims (10)
1. an efficient vibrating sieving machine, is characterized in that: comprise frame, retaining mechanism, main driving mechanism, auxiliary top hit mechanism;
Described frame comprises base plate (1), support bar (2), crosspiece (3), screen tray (4);
The face center of base plate (1) offers the aperture of N number of up/down perforation respectively, and N number of aperture is around the axis equidistant arrangement of base plate (1); The marginal surface of base plate (1) offers the macropore of N number of up/down perforation respectively, and N number of macropore is around the axis equidistant arrangement of base plate (1); The number of support bar (2) is N number of; N number of support bar (2) is all vertically fixed on the top surface edge of base plate (1), and N number of support bar (2) is around the axis equidistant arrangement of base plate (1); Crosspiece (3) is n-shaped structure, and N number of angle end of crosspiece (3) is fixed with the upper end of N number of support bar (2) respectively; The number of screen tray (4) is N number of; All upward, and the web of N number of screen tray (4) is outer flanging to the Pan Kou of N number of screen tray (4); N number of screen tray (4) runs through N number of macropore respectively, and the web of N number of screen tray (4) is overlapped in the upper end orifice edge of N number of macropore respectively; The outer bottom of N number of screen tray (4) is respectively fixed with a L shape coupler body (40);
Described retaining mechanism comprises center bolt (5), riffled tube (6), lever (7), the center collar (8), radial arm (9), guide pin bushing (10), screen cover (11), torsion spring (12), guard bar (13);
The axis of center bolt (5) and the axis of base plate (1) overlap; The lower end bifurcated of center bolt (5) goes out N number of point of pole, and N number of point of pole runs through N number of aperture respectively; Riffled tube (6) is screwed the top in center bolt (5), and the lateral surface bottom of riffled tube (6) is respectively equipped with two annular protrusions; The number of lever (7) is two; Two levers (7) are all vertically fixed on the lateral surface top of riffled tube (6), and the axis of two levers (7) overlaps; The center collar (8) rotates the lateral surface being assemblied in riffled tube (6), and the center collar (8) is between two annular protrusions; The number of radial arm (9) is 2N; 2N radial arm (9) is all vertically fixed on the lateral surface of the center collar (8), and 2N radial arm (9) is around the axis equidistant arrangement of the center collar (8); The number of guide pin bushing (10) is N number of; N number of guide pin bushing (10) is individually fixed in the outer end of wherein N number of radial arm (9), and N number of guide pin bushing (10) difference slidable fit is on N number of support bar (2); The number of screen cover (11) is N number of; N number of screen cover (11) is individually fixed in the outer end of other N number of radial arm (9), and N number of screen cover (11) is facing each other with N number of screen tray (4) respectively; The lateral surface of N number of screen cover (11) is respectively provided with a hook-type projection, and the protruding axis equidistant arrangement around center bolt (5) of N number of hook-type; The number of torsion spring (12) is N number of; N number of torsion spring (12) is all fixed on the top surface edge of base plate (1), and N number of torsion spring (12) is around the axis equidistant arrangement of base plate (1); The number of guard bar (13) is N number of; The lower end of N number of guard bar (13) is articulated with the upper surface of base plate (1) respectively by N number of torsion spring (12), and the top of N number of guard bar (13) difference inlay card is in N number of hook-type projection;
Described main driving mechanism comprises permanent magnet (18) in rotating shaft (14), support spring (15), sleeve (16), the main push rod of L shape (17), annular, annular lower permanent magnet (19), main support tube (20), main electromagnetic coil (21), motor (22);
Rotating shaft (14) is positioned at the below of base plate (1), and the axis of the axis of rotating shaft (14) and base plate (1) overlaps; The upper surface of rotating shaft (14) offers N number of shrinkage pool respectively, and N number of shrinkage pool is facing each other with the N number of aperture on base plate (1) respectively; The lower end of N number of point of pole is stretched in N number of shrinkage pool respectively; The side surface upper part of rotating shaft (14) is provided with annular umbrella-like boss; The number of support spring (15) is N number of, and N number of support spring (15) lays respectively in N number of shrinkage pool; The upper end of N number of support spring (15) is fixed with the lower surface of N number of point of pole respectively, and the lower end of N number of support spring (15) is fixed with the bottom surface of N number of shrinkage pool respectively; Sleeve (16) slidable fit is in rotating shaft (14), and sleeve (16) is positioned at the below of annular umbrella-like boss; The number of the main push rod of L shape (17) is N number of; The horizon bar of the main push rod of N number of L shape (17) is all vertically fixed on the lateral surface top of sleeve (16), and the main push rod of N number of L shape (17) is around the axis equidistant arrangement of sleeve (16); The vertical bar of the main push rod of N number of L shape (17) lays respectively at the below of N number of screen tray (4); The vertical bar upper end of the main push rod of N number of L shape (17) all in hook formation, and the vertical bar upper end of the main push rod of N number of L shape (17) respectively with N number of L shape coupler body (40) clasp joint; In annular, permanent magnet (18) slidable fit is in rotating shaft (14), and annular is above provided with non-magnetic layer between permanent magnet (18) and rotating shaft (14); In annular, the upper surface of permanent magnet (18) and the lower surface of sleeve (16) are fixed; The lower permanent magnet (19) of annular is fixedly assemblied in rotating shaft (14), and is provided with non-magnetic layer between permanent magnet (19) and rotating shaft (14) under annular; The upper surface of the lower permanent magnet (19) of annular is facing each other with the lower surface of permanent magnet (18) in annular, and the upper surface of annular permanent magnet (19) is down the magnetic pole strength that polarity is identical with the lower surface of permanent magnet in annular (18); The upper end of main support tube (20) is provided with uncovered, and lower end is provided with end wall; The lower end end wall central authorities of main support tube (20) offer the pilot hole of up/down perforation, and main support tube (20) is fixedly assemblied in rotating shaft (14) by this pilot hole; The number of main electromagnetic coil (21) is two; Two main electromagnetic coils (21) are respectively around outside the upper end being arranged at the upper permanent magnet (18) of annular and lower end outside, and two main electromagnetic coils (21) are all fixed on the medial surface of main support tube (20); Two main electromagnetic coils (21) around to identical; The output shaft of motor (22) is connected with the lower end of rotating shaft (14);
Described auxiliary top is hit mechanism and is comprised connecting rod (23), supplemental support cylinder (24), buffer spring (25), buffer board (26), cylindricality permanent magnet (27), auxiliary electromagnetic coil (28), L shape assistant ejector pin (29);
The number of connecting rod (23) is N number of; N number of connecting rod (23) is all vertically fixed on the lower surface edge of base plate (1), and N number of connecting rod (23) is around the axis equidistant arrangement of base plate (1); The number of supplemental support cylinder (24) is N number of, and the two ends of N number of supplemental support cylinder (24) are equipped with end wall; Respectively offer axial slide opening through inside and outside in the middle part of the sidewall of N number of supplemental support cylinder (24), and N number of axial slide opening is all towards rotating shaft (14); The upper outer face of N number of supplemental support cylinder (24) is fixed with the lower surface of N number of connecting rod (23) respectively; The number of buffer spring (25) is 2N, and 2N buffer spring (25) is vertically fixed on the upper inner face of N number of supplemental support cylinder (24) and lower inner face respectively; The number of buffer board (26) is 2N, and 2N buffer board (26) is individually fixed in the movable end of 2N buffer spring (25); The number of cylindricality permanent magnet (27) is N number of; The side surface upper part of N number of cylindricality permanent magnet (27) and side lower is each is fixedly equipped with a centring disk (39), and 2N centring disk (39) respectively slidable fit in the inner chamber top of N number of supplemental support cylinder (24) and inner chamber bottom; The upper surface of N number of cylindricality permanent magnet (27) and lower surface are facing each other with 2N buffer board (26) respectively; The number of auxiliary electromagnetic coil (28) is 2N; 2N auxiliary electromagnetic coil (28) is individually fixed in the upper inner face of N number of supplemental support cylinder (24) and lower inner face, and 2N auxiliary electromagnetic coil (28) is respectively around outside the upper end being arranged at N number of cylindricality permanent magnet (27) and lower end outside; 2N auxiliary electromagnetic coil (28) around to all identical; The number of L shape assistant ejector pin (29) is N number of; The horizon bar of N number of L shape assistant ejector pin (29) is each passed through N number of axial slide opening and is vertically fixed in the middle part of the side of N number of cylindricality permanent magnet (27), and the vertical bar of N number of L shape assistant ejector pin (29) lays respectively at the below of N number of screen tray (4);
N is positive integer, and N >=2.
2. the efficient vibrating sieving machine of one according to claim 1, is characterized in that: also comprise electric supply installation; Described electric supply installation comprises main slip ring (30), main carbon brush (31), auxiliary slip ring (32), auxiliary carbon brush (33);
The number of main slip ring (30) is two; Two main slip rings (30) are all fixedly assemblied in rotating shaft (14), and mutually insulated between two main slip rings (30); Head end around the main electromagnetic coil (21) outside the upper end being arranged at the upper permanent magnet (18) of annular is all connected with first main slip ring (30) with the tail end of main electromagnetic coil (21) around the lower end outside being arranged at the upper permanent magnet (18) of annular; Tail end around the main electromagnetic coil (21) outside the upper end being arranged at the upper permanent magnet (18) of annular is all connected with second main slip ring (30) with the head end of main electromagnetic coil (21) around the lower end outside being arranged at the upper permanent magnet (18) of annular; The number of main carbon brush (31) is two, and two main carbon brush (31) slidingly contact with two main slip rings (30) respectively; The number of auxiliary slip ring (32) is two; Two auxiliary slip rings (32) are all fixedly assemblied in rotating shaft (14), and mutually insulated between two auxiliary slip rings (32); Head end around 2N auxiliary electromagnetic coil (28) outside the upper end being arranged at N number of cylindricality permanent magnet (27) is all connected with first auxiliary slip ring (32) with the tail end of 2N auxiliary electromagnetic coil (28) around the lower end outside being arranged at N number of cylindricality permanent magnet (27); Tail end around 2N auxiliary electromagnetic coil (28) outside the upper end being arranged at N number of cylindricality permanent magnet (27) is all connected with second auxiliary slip ring (32) with the head end of 2N auxiliary electromagnetic coil (28) around the lower end outside being arranged at N number of cylindricality permanent magnet (27); The number of auxiliary carbon brush (33) is two, and two auxiliary carbon brush (33) slidingly contact with two auxiliary slip rings (32) respectively.
3. the efficient vibrating sieving machine of one according to claim 1 and 2, is characterized in that: also comprise governor motion; Described governor motion comprises fixed head (34), portable plate (35), welding neck flange (36), adjusting screw(rod) (37), adjusting bolt (38);
Portable plate (35) is positioned at the top of fixed head (34), and the left hand edge of the left hand edge of portable plate (35) and fixed head (34) is hinged; The surperficial right hand edge of portable plate (35) offers the installing hole of up/down perforation; The medial surface of welding neck flange (36) is provided with internal thread, and the neck lateral surface of welding neck flange (36) is provided with external screw thread; The neck penetrating mounting holes of welding neck flange (36), and the head of welding neck flange (36) is positioned at the below of portable plate (35); Adjusting screw(rod) (37) is vertically fixed on the surperficial right hand edge of fixed head (34), and the top of adjusting screw(rod) (37) is screwed the inner chamber in welding neck flange (36); Adjusting bolt (38) is screwed the neck lateral surface in welding neck flange (36), and adjusting bolt (38) is positioned at the top of portable plate (35); The support of motor (22) is fixed on the upper surface of portable plate (35), and the output shaft of motor (22) is mutually vertical with the upper surface of portable plate (35).
4. a control method for efficient vibrating sieving machine, the method, for controlling a kind of efficient vibrating sieving machine as claimed in claim 3, is characterized in that: the method adopts following steps to realize:
A. the locking of testing sieve: first, piles up testing sieve and is placed on N number of screen tray (4) respectively by N, then, by two levers (7) turn riffled tube (6), and riffled tube (6) is moved down along center bolt (5), riffled tube (6) drives the center collar (8) to move down thus, the center collar (8) drives 2N radial arm (9) to move down together thus, wherein N number of radial arm (9) drives N number of guide pin bushing (10) to move down together along N number of support bar (2) thus, N number of radial arm (9) drives N number of screen cover (11) to move down together thus in addition, N number of hook-type projection moves down together along N number of guard bar (13) thus, N number of screen cover (11) presses N pile testing sieve thus together downwards, thus N is piled up testing sieve locking,
B. the rotation of testing sieve and vibration control: first, starter motor (22), motor (22) drives permanent magnet (18) N number of support spring (15), sleeve (16), the main push rod of N number of L shape (17), annular in by rotating shaft (14) thus, annular descends permanent magnet (19), main support tube (20), two main electromagnetic coils (21), frame, retaining mechanism, auxiliary top hits mechanism, two main slip rings (30), two auxiliary slip rings (32), N pile testing sieves rotate together, then, pulse voltage is applied between two main carbon brush (31), two main slip rings (30) pass into pulse current to two main electromagnetic coils (21) thus, and the electric current making two main electromagnetic coils (21) equal and opposite in direction, direction are contrary all the time, two main electromagnetic coils (21) produce the contrary pulsed magnetic field in two equal and opposite in directions, direction thus, under the acting in conjunction of two pulsed magnetic fields, in annular, permanent magnet (18) vibrates along rotating shaft (14), and drive the main push rod of N number of L shape (17) to vibrate together by sleeve (16), the main push rod of N number of L shape (17) is upwards pushed up together thus and is hit N number of screen tray (4), N number of screen tray (4) is vibrated together, N number of screen tray (4) drives center bolt (5) thus, riffled tube (6), two levers (7), the center collar (8), 2N radial arm (9), N number of guide pin bushing (10), N number of screen cover (11), N piles up testing sieve and vibrates together, meanwhile, pulse voltage is applied between two auxiliary carbon brush (33), two auxiliary slip rings (32) pass into pulse current to 2N auxiliary electromagnetic coil (28) thus, and the electric current making two auxiliary electromagnetic coils (28) of being fixed on same supplemental support cylinder (24) equal and opposite in direction, direction are contrary all the time, two auxiliary electromagnetic coils (28) of being fixed on same supplemental support cylinder (24) produce the contrary pulsed magnetic field in two equal and opposite in directions, direction thus, under the acting in conjunction of 2N pulsed magnetic field, N number of cylindricality permanent magnet (27) is vibrated together, and drive N number of L shape assistant ejector pin (29) to vibrate together, N number of L shape assistant ejector pin (29) is upwards pushed up together thus and is hit N number of screen tray (4), N number of screen tray (4) is vibrated together, and N number of screen tray (4) drives center bolt (5), riffled tube (6), two levers (7), the center collar (8), a 2N radial arm (9), N number of guide pin bushing (10), N number of screen cover (11), N to pile up testing sieves and vibrate together thus, in vibration processes, N number of support spring (15) carries out dilatation together, under the effect of homopolar-repulsion, annular is descended between the lower surface of permanent magnet (18) in the upper surface of permanent magnet (19) and annular and is remained distance, carries out spacing thus to permanent magnet in annular (18),
C. the inclination control of testing sieve: turn welding neck flange (36), welding neck flange (36) is moved up along adjusting screw(rod) (37), welding neck flange (36) drives portable plate (35) to move up thus, angle between portable plate (35) and fixed head (34) is increased, portable plate (35) thus drive motor (22) tilts, motor (22) drives N number of support spring (15) by rotating shaft (14) thus, sleeve (16), the main push rod of N number of L shape (17), permanent magnet (18) in annular, the lower permanent magnet (19) of annular, main support tube (20), two main electromagnetic coils (21), frame, retaining mechanism, auxiliary top hits mechanism, two main slip rings (30), two auxiliary slip rings (32), N piles up testing sieve and tilts together,
D. under the acting in conjunction of rotation, vibration, inclination, the material that N piles up in testing sieve is subject to revolving force, vibration force, tilting force simultaneously, and under the acting in conjunction of revolving force, vibration force, tilting force, realize grade screening.
5. the control method of a kind of efficient vibrating sieving machine according to claim 4, is characterized in that: described pulse voltage adopts rectangular pulse DC voltage or the rectangle bidirectional pulse alternating voltage that dutycycle is 0.05-0.8, frequency is 0.5Hz-20KHz.
6. the control method of a kind of efficient vibrating sieving machine according to claim 4, is characterized in that: described pulse voltage employing dutycycle is 0.05-0.8, frequency is the pointed pulsed dc voltage of 0.5Hz-20KHz or pointed bidirectional pulse alternating voltage.
7. the control method of a kind of efficient vibrating sieving machine according to claim 4, is characterized in that: described pulse voltage adopts stairstepping pulsed dc voltage or the stairstepping bidirectional pulse alternating voltage that dutycycle is 0.05-0.8, frequency is 0.5Hz-20KHz.
8. the control method of a kind of efficient vibrating sieving machine according to claim 4, is characterized in that: described pulse voltage employing dutycycle is 0.05-0.8, frequency is the sharp arc pulsed dc voltage of 0.5Hz-20KHz or sharp arc bidirectional pulse alternating voltage.
9. the control method of a kind of efficient vibrating sieving machine according to claim 4, is characterized in that: described pulse voltage employing dutycycle is 0.05-0.8, frequency is 0.5Hz-20KHz mixed type pulsed dc voltage or mixed type bidirectional pulse alternating voltage.
10. the control method of a kind of efficient vibrating sieving machine according to claim 4, is characterized in that: described pulse voltage employing dutycycle is indefinite, frequency is 0.5Hz-20KHz pulsed dc voltage or bidirectional pulse alternating voltage.
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| CN109821732A (en) * | 2019-01-15 | 2019-05-31 | 重庆大学 | Multiple activation source vibrating screen powder device |
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| CN105107704A (en) * | 2015-09-23 | 2015-12-02 | 常州信息职业技术学院 | Non-contact permanent magnet vibration device |
| CN205308783U (en) * | 2016-01-21 | 2016-06-15 | 太原师范学院 | High -efficient sieving machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109821732A (en) * | 2019-01-15 | 2019-05-31 | 重庆大学 | Multiple activation source vibrating screen powder device |
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| CN105478348B (en) | 2017-08-11 |
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