CN110605236A - Double-rocker self-balancing elastic driving type flip-flow screen - Google Patents
Double-rocker self-balancing elastic driving type flip-flow screen Download PDFInfo
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- CN110605236A CN110605236A CN201910998672.9A CN201910998672A CN110605236A CN 110605236 A CN110605236 A CN 110605236A CN 201910998672 A CN201910998672 A CN 201910998672A CN 110605236 A CN110605236 A CN 110605236A
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- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 230000009977 dual effect Effects 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000033001 locomotion Effects 0.000 abstract description 11
- 238000012216 screening Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 7
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 7
- 230000009471 action Effects 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 210000004907 gland Anatomy 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 239000002910 solid waste Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 241000208125 Nicotiana Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
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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
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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
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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
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
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- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a double-rocker self-balancing elastic driving type relaxation sieve which comprises a rack, an inner sieve frame, an outer sieve frame, a motor, a rotating shaft, a connecting rod and a double-rocker supporting device, wherein the motor is arranged on the rack and is connected with the rotating shaft through a belt transmission mechanism, the rotating shaft is arranged at the top end of the inner sieve frame, two sections of crankshafts are symmetrically arranged at two ends of the rotating shaft and are connected to the outer sieve frame through the connecting rod, the inner sieve frame is sleeved in the outer sieve frame, the double-rocker supporting device is arranged on the rack, an upper rocker of the double-rocker supporting device is connected to the inner sieve frame, a lower rocker of the double-rocker supporting device is connected to the outer sieve frame, and a sieve plate is arranged. The screening machine has the advantages of simple and compact structure, low installation height, small foundation dynamic load, low energy consumption and adjustable amplitude, the inner screen frame and the outer screen frame can linearly reciprocate in opposite phases, the mechanical motion noise of the elastic screen plate in the relaxation motion process is eliminated by the oscillating bearing and the double-rocker supporting device, and the working comfort of field workers is greatly improved.
Description
Technical Field
The invention relates to the technical field of screening machinery, in particular to a double-rocker-arm self-balancing elastic driving type relaxation screen.
Background
The flip-flow screen well solves the problem of dry deep screening of sticky and wet fine-grained materials, simplifies the process flows in the fields of metallurgy, coal washing, solid waste sorting and the like, reduces the processing cost and has very important significance for energy conservation and emission reduction.
At present, there are two main forms of relaxation sieves at home and abroad: one is on the basis of circular vibrating screen and linear vibrating screen, installed shearing spring and floating reel additional, make main floating reel produce relative motion under the effect of vibration exciter exciting force, this vibration relaxation sieve generally works in the left side of anti-resonance point, and inside and outside reel is in phase motion, and relaxation motion is because the speed difference of inside and outside reel causes, and this relaxation sieve structure is comparatively complicated, and spare part is more, and the energy consumption is great. The other type is an LIWELL relaxation sieve produced by German HEIN LEHMANN company, the relaxation sieve utilizes a crank link mechanism to drive an inner sieve frame and an outer sieve frame to do relative motion with a phase difference of 180 degrees, the structure is simpler, the energy consumption is lower, but the key parts of the sieve machine are as follows: the push-pull rod spring and the supporting guide spring are made of special materials and are not easy to obtain, so the LIWELL relaxation sieve mainly depends on import and is expensive.
Disclosure of Invention
The invention aims to provide a double-rocker self-balancing elastic driving type flip-flow screen, which solves the problems in the prior art and has the advantages of simple and compact structure, good performance, lower installation height, small foundation dynamic load, low energy consumption and small installed power.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a double-rocker self-balancing elastic driving type relaxation sieve which comprises a rack, an inner sieve frame, an outer sieve frame, a motor, a rotating shaft, a connecting rod and a double-rocker supporting device, wherein the motor is arranged on the rack and connected with the rotating shaft through a belt transmission mechanism, the rotating shaft is arranged at the top end of the inner sieve frame, two sections of crankshafts are symmetrically arranged at two ends of the rotating shaft and connected to the outer sieve frame through the connecting rod, the inner sieve frame is sleeved in the outer sieve frame, the double-rocker supporting device is arranged on the rack, an upper rocker of the double-rocker supporting device is connected to the inner sieve frame, a lower rocker of the double-rocker supporting device is connected to the outer sieve frame, and a sieve plate is arranged on the inner sieve frame.
Preferably, the double-rocker-arm supporting device comprises an upper rocker arm, a lower rocker arm and a supporting seat, the supporting seat is fixed on the rack, a through hole is formed in the top of the supporting seat, a square shaft penetrates through the through hole, a rubber block is arranged between the square shaft and the through hole, a rocker is penetrated through the square shaft, the two ends of the rocker are provided with the upper rocker arm and the lower rocker arm, the upper rocker arm and the lower rocker arm are both square shafts, a mounting flange is arranged at one end of the upper rocker arm and one end of the lower rocker arm, and the other end of the upper rocker arm and the other end of the lower rocker arm penetrate through the through holes at the two ends of the rocker arm.
Preferably, the frame is arranged obliquely, an oblique feeding plate is arranged at the top end of the inner screen frame, and a discharging plate is arranged at the bottom end of the inner screen frame; the bottom of interior reel with outer reel all is provided with a plurality of crossbeam, just the upper surface of crossbeam is located the coplanar.
Preferably, the rotating shaft is connected to the top end of the inner screen frame through a bearing and a bearing seat, and a swing bearing is arranged between the connecting rod and the outer screen frame.
Preferably, the two sides of the sieve plate are fixed between the side pressure plate and the sealing plate through bolts, and the sealing plate is connected with the inner sieve frame through a buckle.
Preferably, the belt transmission mechanism comprises a belt pulley, an eccentric belt pulley and a V-belt, the belt pulley is connected with a main shaft of the motor, the eccentric belt pulley is arranged on the rotating shaft, and the belt pulley is connected with the eccentric belt pulley through the V-belt.
Preferably, the crankshaft is an eccentric distance adjustable device.
Preferably, the eccentricity adjustable device comprises an eccentric stepped shaft and an eccentric shaft sleeve, wherein the eccentric shaft is arranged on two sides of the eccentric stepped shaft, a plurality of key slots are uniformly distributed on the eccentric shaft, and the eccentric shaft sleeve is matched with any one of the key slots of the eccentric shaft through a key.
Preferably, the eccentric distance adjustable device comprises a central shaft, an outer eccentric sleeve and an inner eccentric sleeve, the inner eccentric sleeve is connected with the central shaft through a key, the inner eccentric sleeve is sleeved in the outer eccentric sleeve, and one end of the inner eccentric sleeve is connected with one end of the outer eccentric sleeve through a flange plate and a bolt.
Preferably, one end of each of the inner eccentric sleeve and the outer eccentric sleeve is provided with a flange plate, a plurality of bolt holes are uniformly distributed in the flange plate, and the inner eccentric sleeve and the outer eccentric sleeve can rotate mutually.
Compared with the prior art, the invention has the following technical effects:
the screening machine has simple and compact structure and lower installation height, the inner screen frame and the outer screen frame can linearly reciprocate in opposite phases, the dynamic load of a foundation is small, the energy consumption is low, and the installed power is small; the oscillating bearing and the double-rocker supporting device eliminate mechanical movement noise except friction noise between the elastic sieve plate and materials in the relaxation movement process, and greatly improve the working comfort of field workers; the eccentric distance adjustable device can simply and effectively adjust the amplitude of the screening machine, so that the screening machine can process materials with different properties; the method is suitable for dry-process deep screening in industries such as metallurgy, coal, solid waste and the like, and is also suitable for light industries such as grains, tobacco and the like with higher requirements on noise, foundation dynamic load and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural view of a double-rocker self-balancing elastic driving type relaxation sieve of the invention;
FIG. 2 is a schematic structural view of an inner screen frame according to the present invention;
FIG. 3 is a schematic structural view of an outer screen frame according to the present invention;
FIG. 4 is an enlarged view of a portion of the structure of FIG. 3 according to the present invention;
FIG. 5 is a first schematic view of the structure of the rotating shaft and the connecting rod of the present invention;
FIG. 6 is a second schematic view of the structure of the rotating shaft and the connecting rod of the present invention;
FIG. 7 is a partial schematic structural view of a double-rocker self-balancing elastic driving type relaxation sieve of the invention;
FIG. 8 is an enlarged view of a portion of the structure of FIG. 3 at B in accordance with the present invention;
FIG. 9 is a schematic structural view of a dual rocker arm support apparatus of the present invention;
FIG. 10 is a first schematic structural view of an eccentric stepped shaft of the first eccentricity adjusting device according to the present invention;
FIG. 11 is a second schematic structural view of an eccentric stepped shaft of the first eccentricity adjusting device according to the present invention;
FIG. 12 is a schematic structural view of an eccentric bushing of the first device with adjustable eccentricity of the present invention;
FIG. 13 is a first schematic view illustrating a first embodiment of an eccentricity adjusting device according to the present invention;
FIG. 14 is a second schematic view of a first variable eccentricity device according to the present invention;
FIG. 15 is a third schematic view illustrating a first variable eccentricity apparatus according to the present invention;
FIG. 16 is a schematic structural view of a second variable eccentricity device according to the present invention;
FIG. 17 is a schematic view of the assembly of the inner and outer eccentric sleeves of the second variable eccentricity device of the present invention;
wherein: 1-rotating shaft, 2-V-shaped belt, 3-motor, 4-belt pulley, 5-inner screen frame, 6-outer screen frame, 7-double rocker arm supporting device, 8-screen plate, 9-side pressure plate, 10-frame, 11-mounting flange, 12-square shaft, 13-rocker, 14-rubber rod, 15-supporting seat, 16-eccentric belt pulley, 17-connecting rod, 18-bearing seat, 19-clamping sleeve, 20-oscillating bearing, 21-eccentric stepped shaft, 22-eccentric shaft sleeve, 23-central shaft, 24-outer eccentric sleeve, 25-inner eccentric sleeve, 26-clamping groove, 27-T-shaped clamping piece, 28-feeding plate, 29-discharging plate, 30-cross beam and 31-sealing plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
The invention aims to provide a double-rocker self-balancing elastic driving type flip-flow screen, which solves the problems in the prior art, and has the advantages of simple and compact structure, good performance, lower installation height, small foundation dynamic load, low energy consumption and small installed power.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1 to 17: the embodiment provides a two rocking arm self-balancing elastic drive formula relaxation sieve, including frame 10, interior reel 5, outer reel 6, motor 3, pivot 1, connecting rod 17 and two rocking arm strutting arrangement 7, set up motor 3 in the frame 10, motor 3 passes through belt drive mechanism and is connected with pivot 1, belt drive mechanism includes belt pulley, eccentric pulley 16 and V-arrangement area 2, belt pulley 4 is connected with motor 3's main shaft, eccentric pulley 16 sets up on pivot 1, belt pulley 4 and eccentric pulley 16 pass through V-arrangement area 2 and connect. The pivot 1 sets up in the top of interior reel 5, and the both ends symmetry of pivot 1 is provided with one section bent axle, and the bent axle passes through connecting rod 17 to be connected on outer reel 6, and in outer reel 6 was located to interior reel 5 cover, two rocking arm strutting arrangement 7 set up in frame 10, and two rocking arm strutting arrangement 7's last rocking arm is connected on interior reel 5, and two rocking arm strutting arrangement 7's lower rocking arm is connected on outer reel 6, is provided with sieve 8 on the interior reel 5. The frame 10 is arranged obliquely, an inclined feeding plate 28 is arranged at the top end of the inner screen frame 5, and a discharging plate 29 is arranged at the bottom end of the inner screen frame 5. The bottom of the inner screen frame 5 and the bottom of the outer screen frame 6 are both provided with a plurality of cross beams 30, the cross beams 30 of the inner screen frame 5 and the outer screen frame 6 are arranged in a staggered mode, and the upper surfaces of the cross beams 30 are located in the same plane.
Two rocking arm strutting arrangement 7 include the rocking arm, rocking arm and supporting seat 15 down, supporting seat 15 is fixed in on frame 10, the top of supporting seat 15 sets up a through-hole, wear to establish a square axle 12 in the through-hole, be provided with the block rubber between square axle 12 and the through-hole, wear to establish a rocker 13 on the square axle 12, the both ends of rocker 13 are provided with rocking arm and lower rocking arm, it is a square axle 12 with lower rocking arm to go up the rocking arm, it is provided with mounting flange 11 with lower rocking arm one end to go up the rocking arm, the other end of going up rocking arm and lower rocking arm wears to locate in the through-hole at rocker 13. The included angle between any surface of the square shaft 12 and the inner surface of the square hole of the column body is 45 degrees, four corners between the square shaft 12 and the through hole are filled with the rubber rods 14, and elastic torsion can be achieved. The oscillating bearing 20 is arranged in a detachable clamping sleeve 19 at the end part of the clamping type connecting rod 17, and a gap of 1-2mm is reserved between the clamping sleeve 19 with a threaded hole and the connecting rod 17, so that the oscillating bearing 20 can be clamped under the action of a screw conveniently, and the relative motion between the oscillating bearing and the connecting rod can not be generated; the mounting flange 11 and the outer screen frame 6 of the oscillating bearing 20 are fixed through bolts, and the oscillating bearing 20 not only can transmit the push-pull acting force of the connecting rod 17, but also can provide a certain oscillating angle for the connecting rod 17, so that the connecting rod 17 is not easy to damage.
The double-rocker supporting device 7 can not only enable the inner and outer screen frames 6 to swing around the middle square shaft 12 of the rocker 13, but also can isolate the moving part from the frame 10 through the rubber bars 14 to play a role of a vibration isolation spring, the rubber bars 14 around the square shaft 12 are compressed and deformed to generate restoring force to be beneficial to swinging back of the inner and outer screen frames 6 during swinging, and compared with the existing crank connecting rod type tension relaxation screen, the noise is greatly improved; when in work, the rocker 13 swings around the middle square shaft 12, the inner screen frame 5 and the outer screen frame 6 move in opposite directions, so that the inertia forces generated by the rocker 13 and the inner screen frame 5 and the outer screen frame 6 are opposite, and when the mass of the two masses is equal and the distance from the middle square shaft 12 to the upper and lower holes of the rocker 13 is equal, the inertia forces can be obtainedEquilibrium, if the masses of the two masses are not equal, can be determined according to the centrifugal inertia force formula: m is1ω2r1＝m2ω2r2The inertia forces of the two masses are balanced by adjusting the position of the shaft 12 in the rocker 13.
The rotating shaft 1 is connected to the top end of the inner screen frame 5 through a bearing and a bearing seat 18, and a swinging bearing 20 is arranged between the connecting rod 17 and the outer screen frame 6. The rotating shaft 1 of the present embodiment is a stepped eccentric shaft, the shaft neck of the mounting connecting rod 17 and the shaft head of the mounting eccentric belt pulley 16 are equidistant and eccentric, and the bearing is a self-aligning roller bearing. Self-aligning roller bearings are symmetrically arranged on a straight shaft section and a crankshaft section of the rotating shaft 1, the self-aligning roller bearings of the straight shaft section are matched with a bearing seat 18 and a labyrinth cover to be installed on the inner screen frame 5, the self-aligning roller bearings on the crankshaft section are matched with a connecting rod 17 and a bearing gland to be connected on the outer screen frame 6, two sides of each of the two self-aligning roller bearings are respectively provided with a round nut, the round nuts are matched with the labyrinth cover to axially position inner rings of the self-aligning roller bearings, and the bearing gland fixes outer rings of the bearings in the bearing seat 18 and the clamping type connecting rod 17 under the action of screws. The eccentric belt wheel 16 is connected with the rotating shaft 1 through a key to transmit torque, and the eccentric belt wheel 16 and the crankshaft have the same eccentricity, so that the eccentric belt wheel 16 is prevented from being subjected to centrifugal acting force; the upper side and the lower side of the bearing seat 18 and the connecting rod 17 are provided with oil filling cups, the upper oil filling cup is mainly used for filling oil, and the lower oil filling cup 21 is used for draining lubricating oil which is worn and failed in long-time operation; the shaft end protective cover is arranged on the connecting rod 17 on the side different from the eccentric belt wheel 16, and separates the rotating shaft 1 rotating at high speed from the outside.
Two sides of the sieve plate 8 are fixed between the side pressure plates 9 and the sealing plate 31 through bolts, and the sealing plate 31 is connected with the inner sieve frame 5 through a buckle. The clip of this embodiment includes a clip groove 26 and a T-shaped clip 27, the T-shaped clip 27 is disposed on the sealing plate 31, and the clip groove 26 is disposed on the inner screen frame 5. The side plates and the cross beams 30 of the inner screen frame 5 and the outer screen frame 6 are formed by bending stainless steel plates, and common steel plates or channel steel can be used to increase the bearing capacity of the screen plate 8. The end part is welded with a flange and is connected with the side plate 29 of the inner screen frame 5 by a bolt, a plurality of bolt holes are symmetrically formed in the upper surface of the cross beam 30 of the inner screen frame 5 and are used for installing the screen plate 8 made of elastic materials, and the cross beams 30 of the inner screen frame 5 and the outer screen frame 6 are bent to open towards the discharge end, so that material storage is not easy in the material screening process; the side plates of the outer screen frame 6 are connected with the cross beams 30 through bolts, and circular pipes are welded between the cross beams 30 of the outer screen frame 6 and the mounting flange 11, so that the upper surfaces of the cross beams 30 of the inner screen frame 5 and the outer screen frame 6 are in the same plane.
The crankshaft is an eccentric distance adjustable device, and the eccentric distance adjustable device in the embodiment comprises two types. The first eccentricity adjustable device comprises an eccentric stepped shaft 21 and an eccentric shaft sleeve 22, wherein the two sides of the eccentric stepped shaft 21 are eccentric shafts, a plurality of key grooves are uniformly distributed on the eccentric shafts, and the eccentric shaft sleeve 22 is matched with any one key groove of the eccentric shafts through keys and used for adjusting proper eccentricity.
The first eccentricity-adjustable device is an eccentric shaft eccentric sleeve amplitude-adjustable device, and the structure of an eccentric stepped shaft 21 is shown in fig. 10 to 11, O1Is the center of rotation, O, of the eccentric stepped shaft 212Is the center of the eccentric section of the eccentric stepped shaft 21, and the eccentricity is A1In the present embodiment, four mutually perpendicular key grooves are formed at the end of the eccentric stepped shaft 21. The eccentric bushing structure is shown in FIG. 12, O2Is the center of the inner ring of the eccentric sleeve, O3 is the center of the outer ring of the eccentric sleeve, and the eccentricity is A2。
The working principle of the eccentric shaft eccentric sleeve amplitude modulation device is as follows: when the eccentric sleeve is fitted in the key groove above the eccentric stepped shaft 21, as shown in fig. 13, a1Is equal to A2While, the center O of the outer ring of the eccentric sleeve3And the rotation center O of the eccentric stepped shaft 211At this time, the eccentricity of the eccentric sleeve and the eccentric stepped shaft 21 is 0, and the eccentric sleeve and the eccentric stepped shaft are not eccentric. As shown in FIG. 14, when the eccentric sleeve is engaged with the key groove of the eccentric stepped shaft 21 in the left-right direction, the eccentricity of the whole is O1And O3The distance of the connecting line, namely:as shown in fig. 15, when the eccentric sleeve is engaged with the key slot below the eccentric stepped shaft 21, the overall eccentricity is the distance between the lines O1 and O3, that is: a. the1+A2。
The second type of eccentricity adjustable device is a double-eccentric sleeve amplitude modulation device, which comprises a central shaft 23, an outer eccentric sleeve 24 and an inner eccentric sleeve, wherein the inner eccentric sleeve is connected with the central shaft 23 through a key, the inner eccentric sleeve is sleeved in the outer eccentric sleeve 24, and one end of the inner eccentric sleeve 25 is connected with one end of the outer eccentric sleeve 24 through a flange plate and a bolt. One end of each of the inner eccentric sleeve 25 and the outer eccentric sleeve 24 is provided with a flange plate, a plurality of bolt holes are uniformly distributed in the flange plate, and the inner eccentric sleeve 25 and the outer eccentric sleeve 24 can rotate mutually to adjust a proper eccentric distance. The second eccentric distance adjusting device is shown in fig. 16 and 17, and the double eccentric sleeve amplitude adjusting device and the eccentric shaft eccentric sleeve amplitude adjusting device have similar principles, except that the fixing mode of adjusting the eccentric amplitude is changed from key fixing to bolt fixing on a flange plate.
The specific working principle of the double-rocker-arm self-balancing elastic driving type flip-flow screen of the embodiment is as follows:
the motor 3 runs to drive the belt pulley 4 to rotate, the V-shaped belt 2 drives the eccentric belt pulley 16 to rotate, the eccentric belt pulley 16 drives the rotating shaft 1 fixed on the inner screen frame 5 through the bearing seat 18 to rotate, and the crankshaft enables the connecting rod 17 to do eccentric motion, so as to drive the outer screen frame 6 to move relative to the inner screen frame 5. The inner screen frame 5 and the outer screen frame 6 fixed on the double-rocker supporting device 7 swing around respective square shafts 12, the inner screen frame 5 and the outer screen frame 6 can linearly reciprocate in opposite phases due to the action force and the reaction force, the screen plate 8 is driven by the cross beams 30 of the inner screen frame 5 and the outer screen frame 6 to generate tension movement, and materials on the screen plate 8 slide from the feeding end to the discharging end along the screen surface under the action of gravity due to the inclination angle of the screen surface.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (10)
1. A double-rocker self-balancing elastic driving type flip-flow screen is characterized in that: including frame, interior reel, outer reel, motor, pivot, connecting rod and two rocking arm strutting arrangement, set up the motor in the frame, the motor pass through belt drive mechanism with the pivot is connected, the pivot set up in the top of interior reel, the both ends symmetry of pivot is provided with one section bent axle, the bent axle passes through the connecting rod connect in on the outer reel, interior reel cover is located in the outer reel, two rocking arm strutting arrangement set up in the frame, two rocking arm strutting arrangement's last rocking arm connect in on the interior reel, two rocking arm strutting arrangement's lower rocking arm connect in on the outer reel, be provided with the sieve on the interior reel.
2. The dual rocker arm self-balancing spring driven relaxation screen of claim 1, wherein: the double-rocker-arm supporting device comprises an upper rocker arm, a lower rocker arm and a supporting seat, wherein the supporting seat is fixed on the rack, a through hole is formed in the top of the supporting seat, a square shaft penetrates through the through hole, a rubber block is arranged between the square shaft and the through hole, a rocker is arranged on the square shaft in a penetrating mode, the two ends of the rocker are provided with the upper rocker arm and the lower rocker arm, the upper rocker arm and the lower rocker arm are both square shafts, a mounting flange is arranged at one end of the upper rocker arm and one end of the lower rocker arm, and the other end of the upper rocker arm and the other end of the lower rocker arm penetrate through the through holes at the two.
3. The dual rocker arm self-balancing spring driven relaxation screen of claim 1, wherein: the frame is obliquely arranged, an oblique feeding plate is arranged at the top end of the inner screen frame, and a discharging plate is arranged at the bottom end of the inner screen frame; the bottom of interior reel with outer reel all is provided with a plurality of crossbeam, just the upper surface of crossbeam is located the coplanar.
4. The dual rocker arm self-balancing spring driven relaxation screen of claim 1, wherein: the rotating shaft is connected to the top end of the inner screen frame through a bearing and a bearing seat, and a swing bearing is arranged between the connecting rod and the outer screen frame.
5. The dual rocker arm self-balancing spring driven relaxation screen of claim 1, wherein: the two sides of the sieve plate are fixed between the side pressure plate and the sealing plate through bolts, and the sealing plate is connected with the inner sieve frame through a buckle.
6. The dual rocker arm self-balancing spring driven relaxation screen of claim 1, wherein: the belt transmission mechanism comprises a belt pulley, an eccentric belt pulley and a V-shaped belt, the belt pulley is connected with a main shaft of the motor, the eccentric belt pulley is arranged on the rotating shaft, and the belt pulley is connected with the eccentric belt pulley through the V-shaped belt.
7. The dual rocker arm self-balancing spring driven relaxation screen of claim 1, wherein: the crankshaft is an eccentric distance adjustable device.
8. The dual rocker arm self-balancing spring driven flip-flow screen of claim 7, wherein: the eccentric distance adjustable device comprises an eccentric stepped shaft and an eccentric shaft sleeve, wherein eccentric shafts are arranged on two sides of the eccentric stepped shaft, a plurality of key grooves are uniformly distributed on the eccentric shafts, and the eccentric shaft sleeve is matched with any one of the key grooves of the eccentric shafts through keys.
9. The dual rocker arm self-balancing spring driven flip-flow screen of claim 7, wherein: the eccentric distance adjustable device comprises a central shaft, an outer eccentric sleeve and an inner eccentric sleeve, wherein the inner eccentric sleeve is connected with the central shaft through a key, the inner eccentric sleeve is sleeved in the outer eccentric sleeve, and the inner eccentric sleeve is connected with one end of the outer eccentric sleeve through a flange plate and a bolt.
10. The dual rocker arm self-balancing spring driven flip-flow screen of claim 9, wherein: the inner eccentric sleeve and the outer eccentric sleeve are respectively provided with a flange plate at one end, a plurality of bolt holes are uniformly distributed in the flange plates, and the inner eccentric sleeve and the outer eccentric sleeve can rotate mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910998672.9A CN110605236B (en) | 2019-10-21 | 2019-10-21 | Double-rocker self-balancing elastic driving type relaxation sieve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910998672.9A CN110605236B (en) | 2019-10-21 | 2019-10-21 | Double-rocker self-balancing elastic driving type relaxation sieve |
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| CN110605236A true CN110605236A (en) | 2019-12-24 |
| CN110605236B CN110605236B (en) | 2024-06-25 |
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| CN201910998672.9A Active CN110605236B (en) | 2019-10-21 | 2019-10-21 | Double-rocker self-balancing elastic driving type relaxation sieve |
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| CN (1) | CN110605236B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114377948A (en) * | 2022-01-13 | 2022-04-22 | 中国矿业大学(北京) | Modular reconfigurable transverse vibration large-scale flip-flow screen |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2302063Y (en) * | 1997-05-07 | 1998-12-30 | 中国矿业大学 | Suspension type bilateral driving flip-flow screen |
| CN2416988Y (en) * | 2000-03-31 | 2001-01-31 | 李荣祥 | Multi-function shearing machine |
| CN101664738A (en) * | 2008-09-01 | 2010-03-10 | 中国矿业大学 | Centralized driving flip-flow screen |
| CN102091689A (en) * | 2009-12-10 | 2011-06-15 | 贵阳铝镁设计研究院 | Method and structure for regulating vibration amplitude of mechanical vibration device |
| AT511949B1 (en) * | 2012-02-29 | 2013-04-15 | Ife Aufbereitungstechnik Gmbh | Spannwellensieb |
| CN103104589A (en) * | 2012-12-07 | 2013-05-15 | 苏州蓝王机床工具科技有限公司 | Eccentric shaft with adjustable eccentric distance |
| CN103752498A (en) * | 2014-01-14 | 2014-04-30 | 中国矿业大学 | Distributed driven type rocking sieve |
| CN204448553U (en) * | 2014-12-10 | 2015-07-08 | 农业部南京农业机械化研究所 | Driving apparatus for vibration sieve |
| CN106269489A (en) * | 2016-10-19 | 2017-01-04 | 中国矿业大学 | A kind of monolateral drive-type is rocking sieve |
| WO2017137418A1 (en) * | 2016-02-11 | 2017-08-17 | Suez Groupe | Screening machine |
| CN107150025A (en) * | 2017-06-19 | 2017-09-12 | 中节能大地环境修复有限公司 | A kind of tension and relaxation screen device sieved for house refuse |
| CN207430678U (en) * | 2017-09-18 | 2018-06-01 | 云南省农业机械研究所 | Novel vibration device |
| CN108654985A (en) * | 2018-05-29 | 2018-10-16 | 中国矿业大学(北京) | Self-balancing roller flip flop screen |
| CN109092674A (en) * | 2018-09-12 | 2018-12-28 | 天地（唐山）矿业科技有限公司 | A kind of mono-layer banana type vibration flip flop screen |
| CN109092673A (en) * | 2018-09-11 | 2018-12-28 | 天地（唐山）矿业科技有限公司 | A kind of embedded flip flop screen of double drive |
| CN109453989A (en) * | 2018-06-25 | 2019-03-12 | 中国矿业大学(北京) | More plastid activated vibration uniform thickness flip flop screens |
| CN209174350U (en) * | 2018-11-27 | 2019-07-30 | 中国矿业大学(北京) | A kind of rod spring formula flip flop screen |
| CN210701102U (en) * | 2019-10-21 | 2020-06-09 | 中国矿业大学(北京) | Double-rocker self-balancing elastic driving type flip-flow screen |
-
2019
- 2019-10-21 CN CN201910998672.9A patent/CN110605236B/en active Active
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2302063Y (en) * | 1997-05-07 | 1998-12-30 | 中国矿业大学 | Suspension type bilateral driving flip-flow screen |
| CN2416988Y (en) * | 2000-03-31 | 2001-01-31 | 李荣祥 | Multi-function shearing machine |
| CN101664738A (en) * | 2008-09-01 | 2010-03-10 | 中国矿业大学 | Centralized driving flip-flow screen |
| CN102091689A (en) * | 2009-12-10 | 2011-06-15 | 贵阳铝镁设计研究院 | Method and structure for regulating vibration amplitude of mechanical vibration device |
| AT511949B1 (en) * | 2012-02-29 | 2013-04-15 | Ife Aufbereitungstechnik Gmbh | Spannwellensieb |
| CN103104589A (en) * | 2012-12-07 | 2013-05-15 | 苏州蓝王机床工具科技有限公司 | Eccentric shaft with adjustable eccentric distance |
| CN103752498A (en) * | 2014-01-14 | 2014-04-30 | 中国矿业大学 | Distributed driven type rocking sieve |
| CN204448553U (en) * | 2014-12-10 | 2015-07-08 | 农业部南京农业机械化研究所 | Driving apparatus for vibration sieve |
| WO2017137418A1 (en) * | 2016-02-11 | 2017-08-17 | Suez Groupe | Screening machine |
| CN106269489A (en) * | 2016-10-19 | 2017-01-04 | 中国矿业大学 | A kind of monolateral drive-type is rocking sieve |
| CN107150025A (en) * | 2017-06-19 | 2017-09-12 | 中节能大地环境修复有限公司 | A kind of tension and relaxation screen device sieved for house refuse |
| CN207430678U (en) * | 2017-09-18 | 2018-06-01 | 云南省农业机械研究所 | Novel vibration device |
| CN108654985A (en) * | 2018-05-29 | 2018-10-16 | 中国矿业大学(北京) | Self-balancing roller flip flop screen |
| CN109453989A (en) * | 2018-06-25 | 2019-03-12 | 中国矿业大学(北京) | More plastid activated vibration uniform thickness flip flop screens |
| CN109092673A (en) * | 2018-09-11 | 2018-12-28 | 天地（唐山）矿业科技有限公司 | A kind of embedded flip flop screen of double drive |
| CN109092674A (en) * | 2018-09-12 | 2018-12-28 | 天地（唐山）矿业科技有限公司 | A kind of mono-layer banana type vibration flip flop screen |
| CN209174350U (en) * | 2018-11-27 | 2019-07-30 | 中国矿业大学(北京) | A kind of rod spring formula flip flop screen |
| CN210701102U (en) * | 2019-10-21 | 2020-06-09 | 中国矿业大学(北京) | Double-rocker self-balancing elastic driving type flip-flow screen |
Non-Patent Citations (5)
| Title |
|---|
| GONG SANPENG等: "Non-linear Analysis of Vibrating Flip-flow Screens", 2018 3RD INTERNATIONAL CONFERENCE ON DESIGN AND MANUFACTURING ENGINEERING (ICDME 2018), vol. 221, 11 September 2018 (2018-09-11), pages 1 - 4 * |
| ZHENG GANGFENG等: "Banana flip-flow screen benefits coal preparation", FILTRATION & SEPARATION, vol. 53, no. 4, 1 July 2016 (2016-07-01), pages 38 - 41, XP029741823, DOI: 10.1016/S0015-1882(16)30170-7 * |
| 刘初升等: "一种新型弛张筛", 矿山机械, no. 7, pages 46 - 47 * |
| 宫三朋等: "振动弛张筛驱动位置对主浮筛框运动特性的影响", 矿业科学学报, vol. 3, no. 5, pages 500 - 507 * |
| 邹梦麒: "单边驱动式弛张筛动力学参数设计及运动特性分析", 中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑, no. 2, 15 February 2019 (2019-02-15), pages 33 - 45 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114377948A (en) * | 2022-01-13 | 2022-04-22 | 中国矿业大学(北京) | Modular reconfigurable transverse vibration large-scale flip-flow screen |
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