CN109261495B - Heavy-load bouncing screen - Google Patents
Heavy-load bouncing screen Download PDFInfo
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- CN109261495B CN109261495B CN201811325808.1A CN201811325808A CN109261495B CN 109261495 B CN109261495 B CN 109261495B CN 201811325808 A CN201811325808 A CN 201811325808A CN 109261495 B CN109261495 B CN 109261495B
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- material sorting
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- 239000000463 material Substances 0.000 claims abstract description 109
- 238000012216 screening Methods 0.000 claims abstract description 17
- 230000000712 assembly Effects 0.000 claims abstract description 6
- 238000000429 assembly Methods 0.000 claims abstract description 6
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 4
- 238000007599 discharging Methods 0.000 claims description 16
- 230000007246 mechanism Effects 0.000 claims description 7
- 238000007873 sieving Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 3
- 230000009467 reduction Effects 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 230000008878 coupling Effects 0.000 abstract description 2
- 238000010168 coupling process Methods 0.000 abstract description 2
- 238000005859 coupling reaction Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 9
- 230000002035 prolonged effect Effects 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 6
- 230000003014 reinforcing effect Effects 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000010813 municipal solid waste Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000002910 solid waste Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005728 strengthening 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
-
- 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
-
- 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
-
- 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
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
-
- 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
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
- B07B1/4645—Screening surfaces built up of modular elements
-
- 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
- B07B2201/00—Details applicable to machines for screening using sieves or gratings
- B07B2201/02—Fastening means for fastening screens to their frames which do not stretch or sag the screening surfaces
Abstract
The invention discloses a heavy-load bouncing screen. The heavy-load bouncing screen comprises a driving motor, wherein the driving shaft is connected to the driving motor, two ends of the driving shaft are respectively connected with one end shaft of a right-angle commutator through a shaft coupling, the other end of a crankshaft is communicated with the right-angle commutator, a crankshaft shaft sleeve is provided with a plurality of eccentric disc assemblies, two ends of a plurality of groups of reinforced screen plates are respectively fixed on one eccentric disc assembly, each reinforced screen plate comprises a heavy material sorting part, the heavy material sorting part comprises a grid screen plate, materials slide down in a vibrating manner, three-dimensional heavy materials can fall along grid holes for screening, three-dimensional light materials can fall along square through holes for screening, and two-dimensional light materials can fall along discharge holes for screening. The invention has the advantages that the double-drive bidirectional power supply is realized, so that the front and rear parts of the sieve plate assembly have running power, and the effect of high bearing capacity of the sieve plate is enhanced.
Description
Technical Field
The invention relates to the field of solid waste sorting, in particular to a heavy-load bouncing screen.
Background
In the recycling of solid wastes, especially in the sorting of building decoration wastes and mineralized stale wastes, the wastes are often subjected to primary crushing by a hammer crusher, and then crushed materials are input into a bouncing sorting screen for sorting materials,
at present, a single driving shaft mode is often adopted for the bouncing sorting screen, the other shaft is a follow-up shaft, and the defects of sorting of building decoration garbage and mineralized stale garbage are that: firstly, single-axis driving is carried out, unbalanced load stress exists, the sieve plate component is subjected to internal stress generated by single-axis driving, the sieve plate component is easy to damage, and the bearing load is reduced; secondly, the huge impact force generated by screening materials is easy to generate stress on a single shaft, so that the driving shaft and the driven shaft bear stress deformation and are easy to damage; thirdly, the single-shaft driving is not smooth, and the use is stopped, the maintenance is carried out, and the production speed is influenced; fourth, the single drive is not easy to screen the light floating materials;
the bounce sorting sieve adopts a flat plate type sieve plate, and a lot of large materials exist in the crushed materials, and the defect is that: firstly, large material can form larger impulsive force in the bouncing separation process, so that the sieve plate is deformed or even damaged, and the material is difficult to finely screen; secondly, the sieve plate is used as a vulnerable part, so that the disassembly and the assembly are inconvenient, the speed is low, and the production speed is influenced; thirdly, the sieve plate is frequently replaced, and a great deal of manpower and financial resources are required to be consumed.
Disclosure of Invention
To address one or more of the above problems, the present invention provides a heavy-duty trampoline screen.
According to one aspect of the invention, the heavy-duty trampoline comprises a frame arranged obliquely, a cavity is formed in the frame, a side frame is fixed on one side of the frame,
the driving part comprises a driving motor, the driving motor is a bidirectional hollow shaft gear motor, the driving motor is vertically fixed at the middle part of the side frame, the middle part of the driving shaft is connected with the driving motor through a key, two ends of the driving shaft are respectively connected with one end shaft of a right-angle commutator through a coupler, two right-angle commutators are respectively fixed at two ends of the side frame, the other end of the crankshaft is communicated with the right-angle commutator, a plurality of eccentric disc assemblies are sleeved on the crankshaft,
two ends of a plurality of groups of reinforced screen plates are respectively fixed on an eccentric disc component,
each reinforced screen plate comprises a heavy material sorting part, a light material sorting part is arranged at the rear side of the heavy material sorting part,
the bracket comprises two sliding rails with hollow structures which are arranged in parallel, a pushing rack is fixed on the upper surface of the sliding rail, a plurality of pushing pedals are uniformly arranged between the two pushing racks,
the heavy material sorting part comprises a longitudinal plate and a transverse plate, a plurality of longitudinal plates are equidistantly and parallelly arranged, a plurality of transverse plates are vertically welded in the middle of the longitudinal plate, the longitudinal plate and the transverse plate mutually surround to form a plurality of square grid holes, so as to form a grid sieve plate, two ends of the transverse plate are respectively welded with a side plate, the side plates are arranged at the front end of a sliding rail in a threaded manner, the three-dimensional heavy material can be sieved to fall along the grid holes in the process of vibrating and sliding down,
the light material sorting part is a sieving plate with a rectangular flat plate structure, two sides of the light material sorting part are arranged in the middle of the sliding rail in a threaded way, a plurality of square through holes which are regularly arranged are arranged in the light material sorting part, the three-dimensional light material can be sieved to fall along the square through holes in the process of vibrating and sliding down,
the tailing discharging part comprises a discharging hole, the discharging hole is positioned at the rear end of the light material sorting part, the material slides downwards at the tail end of the vibration, and the two-dimensional light material can fall along the discharging hole through screening.
This heavy load spring screen has two drive shafts to drive and reinforces the sieve, and the sieve adopts the mode that grid sieve and mild sieve combined together, and its beneficial effect is: firstly, the double-shaft driving ensures that the stress of the screen plate assembly is more uniform, the screen plate assembly has running power before and after, the internal stress generated by the screen plate assembly due to single-shaft driving is eliminated, the service life of the screen plate assembly is prolonged, the bearing load is increased, and the double-shaft driving mechanism can be extended to a plurality of screen plate mechanisms, so that the requirement of equal length of a plurality of screen plates (similar to a plurality of parallel connecting rods) due to single-shaft driving is avoided, and the internal stress generated by size change caused by material impact is reduced; secondly, the double-crankshaft drive provides power, both crankshafts can bear impact load, the maximum driving load of the crankshafts is reduced, the service life of the crankshafts can be prolonged, one crankshaft has poor power, the machine can continue to operate still through the swinging of the other end, the maintenance period is reduced, the production beat is improved, and the production efficiency is improved; thirdly, the whole equipment is provided with power through a driving motor, the commutator converts the driving direction to provide power points for two crankshafts, and the device has the advantages of simple structure, small volume and high transmission efficiency; fourthly, the sieve plate adopts the heavy material sorting part to sort the three-dimensional heavy materials, the light material sorting part sorts the three-dimensional light materials, the two-dimensional light materials are discharged through the discharge holes, the three-stage sorting is carried out, the material sorting is finer, the heavy material sorting part firstly sorts out the heavy materials, and the damage of the heavy materials to the light material sorting part is avoided, so that the light material sorting part can have longer service life, is not easy to deform and has better screening effect; fifthly, the heavy material sorting part adopts a three-dimensional frame structure formed by mutually staggered welding of a plurality of longitudinal plates and transverse plates, the strength is obviously improved, the equal impact force in the vertical direction is resisted, the service life is obviously prolonged, the deformation is not easy, and a good screening effect can be obtained; sixthly, the sliding rail is arranged, each sieving part can be conveniently and adjustably screwed on the bracket, parts and components are occasionally replaced, the speed is high, the production efficiency is high, the maintenance and replacement are convenient, and the skill quality of the test is reduced; seventhly, the service life of the sieve plate is short, and the stopping and fixing investment is reduced.
In some embodiments, a through hole is provided in the reduction gearbox of the drive motor, and the middle part of the drive shaft is connected to the through hole by a key.
In some embodiments, the other end of the right-angle commutator is provided with a sleeve hole, the other end of the crankshaft passes through the shaft hole to be communicated with the sleeve hole, and the crankshaft is fixed on the supporting beam of the frame through two disc bearings with seats.
In some embodiments, two fans are symmetrically installed on the lower side of the frame, two bottom doors capable of being opened in a rotating mode are arranged on the lower side of the frame, the outer sides of the bottom doors are hinged to the frame, the inner sides of the bottom doors can be fixed through fixed rods, air holes are formed in the bottom doors, and the fans are fixed outside the air holes.
In some embodiments, the device further comprises a base of the frame mechanism, wherein the front end of the base is fixedly provided with a short upright post, the rear end of the base is fixedly provided with a long upright post, the lower ends of two sides of the lower surface of the frame are connected with the short upright post, and the upper ends of two sides of the lower surface of the frame are connected with the long upright post through an angle lifting assembly.
In some embodiments, the drive shaft is further provided with a shield comprising an upper sub-shield surrounding the upper end of the seal drive shaft and mounted to the upper surface of the side frame, and a lower sub-shield surrounding the lower end of the seal drive shaft and mounted to the upper surface of the side frame.
In some embodiments, the lower surface of the longitudinal plate is provided with a plurality of upper grooves with rectangular structures, the upper surface of the transverse plate is provided with a plurality of lower grooves with rectangular structures, and the longitudinal plate is clamped in the lower grooves and the transverse plate is clamped in the upper grooves.
In some embodiments, the width of the upper channel is the same as the thickness of the cross plate, the width of the lower channel is the same as the thickness of the longitudinal plate, and the height of the lower channel is the same as the height of the material above the upper channel in the longitudinal plate.
In some embodiments, the pushing rack is a right-angle bending plate or angle steel, continuous inclined saw teeth which are continuously and uniformly arranged are formed at the upper end of the vertical plate of the pushing rack, and materials can continuously slide downwards along the saw teeth.
In some embodiments, the middle part of the sliding rail forms a sliding cavity, the middle part of the upper surface of the sliding cavity forms a through rectangular opening-shaped slideway, two sides of the slideway are turning plates, and the side plates, the light material sorting part, the pushing rack and the pushing pedal can be fixed on the slideway in a threaded manner.
In some embodiments, the sliding rail further comprises a fixing plate of square structure, a threaded hole is arranged in the center of the fixing plate, and the width of the fixing plate is in clearance fit with the width of the sliding cavity.
In some embodiments, the bracket comprises two parallel main beams, the main beams are formed by welding plates or rectangular pipes, a plurality of cross beams made of rectangular materials are welded between the two main beams to be connected with each other to form a rectangular frame structure,
the girder is welded with a sliding rail, and the two girders, the tail ends of the light material sorting parts and the end plates are mutually sealed to form a discharging hole.
In some embodiments, the support further comprises a blind plate threadably secured to the front end of the slip rail, the blind plate being positioned in front of the heavy material sorting section.
In some embodiments, two outwardly inclined blanking plates are mounted to the lower surfaces of the two ends of the main beam, each blanking plate surrounding a set of eccentric disc assemblies, crankshafts and seated bearings.
Drawings
FIG. 1 is a three-dimensional schematic view of a heavy-duty trampoline screen according to an embodiment of the present invention;
FIG. 2 is an enlarged partial schematic view of the driving portion shown in FIG. 1;
FIG. 3 is a schematic front view of the drive motor, drive shaft, and right angle commutator of FIG. 2;
FIG. 4 is a schematic front view of the eccentric disc assembly and crankshaft of FIG. 2;
FIG. 5 is a left side schematic view of the eccentric disc assembly and crankshaft of FIG. 4;
FIG. 6 is a three-dimensional schematic view of the reinforcing screening deck shown in FIG. 1;
FIG. 7 is an enlarged schematic view of a portion of the reinforcing screen panel of FIG. 6;
fig. 8 is a schematic front view of the reinforcing screen deck of fig. 6;
FIG. 9 is a schematic top view of the reinforcing screen deck of FIG. 6;
FIG. 10 is a schematic view of the heavy material sorting section of FIG. 9;
FIG. 11 is a schematic cross-sectional view of the heavy material sorting section of FIG. 10;
FIG. 12 is a schematic view of the light material sifting portion shown in FIG. 9;
fig. 13 is a schematic left-hand view of the reinforcing screening deck of fig. 6;
frame 01, cavity 011, side frame 012, shaft hole 013, support beam 014, bottom door 015, fixing bar 016,
a driving part 02, a driving motor 5, a through hole 51, a driving shaft 6, a coupling 61, a shield 62, a right angle commutator 7, a crankshaft 8, a bearing with a seat 81, an eccentric disc assembly 9,
reinforced screen plate 03, bracket 1, main beam 10, sliding rail 11, sliding cavity 110, slideway 111, turning plate 112, fixed plate 113, pushing rack 12, saw tooth 121, pushing pedal 13, cross beam 14, blind plate 15, heavy material sorting part 2, grid hole 20, longitudinal plate 21, upper groove 211, cross beam 22, lower groove 221, side plate 23, light material sorting part 3, square through hole 31, tailing discharging part 4, discharging hole 41, baffle plate 42, fan 04, base 05, short column 051, long column 052, angle lifting component 053.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.
Fig. 1-13 schematically illustrate a heavy-duty trampoline screen according to one embodiment of the present invention. As shown, the device comprises a frame 01 which is obliquely arranged, a cavity 011 is formed in the frame 01, a side frame 012 is fixed on one side of the frame 01,
the driving part 02 comprises a driving motor 5, the driving motor 5 is a bidirectional hollow shaft gear motor, the driving motor 5 is vertically fixed at the middle part of a side frame 012, the middle part of a driving shaft 6 is connected with the driving motor 5 through a key, two ends of the driving shaft 6 are respectively connected with one end shaft of a right-angle commutator 7 through a coupler 61, two right-angle commutators 7 are respectively fixed at two ends of the side frame 012, the other end of a crankshaft 8 is communicated with the right-angle commutators 7, a plurality of eccentric disc assemblies 9 are sleeved on the crankshaft 8,
both ends of a plurality of groups of reinforced sieve plates 03 are respectively fixed on an eccentric disc assembly 9,
each strengthening screen plate 03 comprises a heavy material sorting part 2, a light material sorting part 3 is arranged at the rear side of the heavy material sorting part 2,
the bracket 1 comprises two sliding rails 11 with hollow structures which are arranged in parallel, a pushing rack 12 is fixed on the upper surface of the sliding rail 11, a plurality of pushing pedals 13 are uniformly arranged between the two pushing racks 12,
the heavy material sorting part 2 comprises a plurality of longitudinal plates 21 and transverse plates 22, wherein the longitudinal plates 21 are equidistantly and parallelly arranged, the middle of the longitudinal plates 21 is vertically welded with the transverse plates 22, the longitudinal plates 21 and the transverse plates 22 mutually surround each other to form a plurality of square grid holes 20, thus forming a grid sieve plate, two ends of the transverse plates 22 are respectively welded with side plates 23, the side plates 23 are arranged at the front ends of the sliding rails 11 in a threaded manner, the materials slide in a vibrating manner, three-dimensional heavy materials can be screened down along the grid holes 20,
the light material sorting part 3 is a sieving plate with a rectangular flat plate structure, two sides of the light material sorting part 3 are arranged in the middle of the sliding rail 11 in a threaded way, a plurality of square through holes 31 which are regularly arranged are arranged in the light material sorting part 3, the three-dimensional light material can be sieved and fallen along the square through holes 31 in the process of vibrating and sliding down,
the tailing discharging part 4 comprises a discharging hole 41, the discharging hole 41 is positioned at the rear end of the light material sorting part 3, the material slides downwards at the tail end of the vibration, and the two-dimensional light material can be screened and falls down along the discharging hole 41.
This heavy load spring screen has two drive shafts to drive and reinforces sieve 03, and the sieve adopts the mode that grid sieve and mild sieve combined together, and its beneficial effect is: firstly, the double-shaft driving ensures that the stress of the screen plate assembly is more uniform, the screen plate assembly has running power before and after, the internal stress generated by the screen plate assembly due to single-shaft driving is eliminated, the service life of the screen plate assembly is prolonged, the bearing load is increased, and the double-shaft driving mechanism can be extended to a plurality of screen plate mechanisms, so that the requirement of equal length of a plurality of screen plates (similar to a plurality of parallel connecting rods) due to single-shaft driving is avoided, and the internal stress generated by size change caused by material impact is reduced; secondly, the double crankshafts 8 are driven to provide power, both crankshafts 8 can bear impact load, the maximum driving load of the crankshafts 8 is reduced, the service life of the crankshafts 8 can be prolonged, one crankshaft 8 has unsmooth power, the machine can continue to operate still through the swinging of the other end, the maintenance period is reduced, the production beat is improved, and the production efficiency is improved; thirdly, the whole equipment is provided with power through one driving motor 5, the commutator converts the driving direction to provide power points for two crankshafts 8, and the device has the advantages of simple structure, small volume and high transmission efficiency; fourth, the sieve plate adopts the heavy material sorting part 2 to sort the three-dimensional heavy materials, the light material sorting part 3 sorts the three-dimensional light materials, the two-dimensional light materials are discharged through the discharge hole 41, three-level sorting is performed, the material sorting is finer, the heavy material sorting part 2 firstly sorts out the heavy materials, and the damage of the heavy materials to the light material sorting part 3 is avoided, so that the light material sorting part 3 can have longer service life, is not easy to deform and has better screening effect; fifthly, the heavy material sorting part 2 adopts a three-dimensional frame structure formed by mutually staggered welding of a plurality of longitudinal plates 21 and transverse plates 22, the strength is obviously improved, the same impact force in the vertical direction is resisted, the service life is obviously prolonged, the deformation is not easy to occur, and a good screening effect can be obtained; sixthly, the sliding rail 11 is arranged, each screening part can be conveniently and adjustably screwed on the bracket 1, parts and components are occasionally replaced, the speed is high, the production efficiency is high, the maintenance and replacement are convenient, and the skill quality of a test worker is reduced; seventhly, the service life of the sieve plate is short, and the stopping and fixing investment is reduced.
Preferably, a through hole 51 is provided in the reduction gearbox of the drive motor 5, and the middle part of the drive shaft 6 is connected to the through hole 51 by a key.
Preferably, the other end of the right-angle commutator 7 is provided with a sleeve hole, the other end of the crankshaft 8 passes through the shaft hole 013 to be communicated with the sleeve hole, and the crankshaft 8 is fixed on a supporting beam 014 of the frame 01 through two disc bearings 81 with seats. The beneficial effects are as follows: this setting can reduce the size of machine, improves the concentricity of installation, improves the conversion precision.
Preferably, two fans 04 are symmetrically arranged on the lower side face of the frame 01, two bottom doors 015 capable of being opened in a rotating mode are arranged on the lower side face of the frame 01, the outer sides of the bottom doors 015 are hinged to the frame 01, the inner sides of the bottom doors 015 can be fixed through fixing rods 016, air holes are formed in the bottom doors 015, and the fans 04 are fixed outside the air holes. The fan 04 can further improve the screening effect of light materials in the materials.
Preferably, the device further comprises a base 05 of the frame mechanism, wherein a short upright 051 is fixed at the front end of the base 05, a long upright 052 is fixed at the rear end of the base, the short upright 051 is connected to the lower ends of two sides of the lower surface of the frame 01, and the long upright 052 is connected to the upper ends of two sides of the lower surface of the frame 01 through an angle lifting assembly 053. The angle lifting component 053 is used for adjusting the angle of the frame, and can be more favorable for screening different material compositions, so that the optimal screening effect can be more favorable.
Preferably, the driving shaft 6 is further provided with a shield 62, and the shield 62 includes an upper sub-cover 621 and a lower sub-cover 622, the upper sub-cover 621 surrounding an upper end of the sealing driving shaft 6 and being mounted on an upper surface of the side frame 012, and the lower sub-cover 622 surrounding a lower end of the sealing driving shaft 6 and being mounted on an upper surface of the side frame 012. The shield 62 is capable of protecting the drive shaft.
Preferably, the lower surface of the vertical plate 21 is provided with a plurality of upper grooves 211 with rectangular structures, the upper surface of the transverse plate 22 is provided with a plurality of lower grooves 221 with rectangular structures, the vertical plate 21 is clamped in the lower grooves 221, and the transverse plate 22 is clamped in the upper grooves 211. The mutual clamping and welding can obtain higher mechanical properties, so that the heavy material sorting part 2 has higher mechanical strength, the impact resistance is improved, and the service life of the sieve plate is prolonged.
Preferably, the width of the upper groove 211 is the same as the thickness of the transverse plate 22, the width of the lower groove 221 is the same as the thickness of the longitudinal plate 21, and the height of the lower groove 221 is the same as the height of the material above the upper groove 211 in the longitudinal plate 21.
Preferably, the pushing rack 12 is a right-angle bending plate or angle steel, the upper end of the vertical plate of the pushing rack 12 is formed with continuously and uniformly arranged continuously inclined saw teeth 121, and the materials can continuously slide down along the saw teeth 121. This setting can improve the continuous gliding of material, prevents card material putty phenomenon.
Preferably, a sliding cavity 110 is formed in the middle of the sliding rail 11, a through rectangular opening-shaped slideway 111 is formed in the middle of the upper surface of the sliding cavity 110, turning plates 112 are arranged on two sides of the slideway 111, and the side plates 23, the light material sorting part 3, the pushing rack 12 and the pushing pedal 13 can be fixed on the slideway 111 in a threaded manner. This arrangement ensures a high adjustability of the sliding rail 11 and a convenient installation and maintenance.
Preferably, the sliding rail 11 further comprises a fixed plate 113 with a square structure, a threaded hole is formed in the center of the fixed plate 113, and the width of the fixed plate 113 is in clearance fit with the width of the sliding cavity 110. The square fixing plate 113 can prevent rotation and increase the mounting speed.
Preferably, the bracket 1 comprises two parallel main beams 10, wherein the main beams 10 are formed by welding plates or rectangular pipes, a plurality of cross beams 14 made of rectangular materials are welded between the two main beams 10 to be connected with each other to form a rectangular frame structure,
the sliding rails 11 are welded on the main beams 10, and the two main beams 10, the tail ends of the light material sorting parts 3 and the end plates are mutually sealed to form discharge holes 41. The main beam 10 has simple structure, high strength and convenient manufacture.
Preferably, the bracket 1 further comprises a blind plate 15, the blind plate 15 is fixed at the front end of the sliding rail 11 in a threaded manner, and the blind plate 15 is positioned in front of the heavy material sorting part 2.
Preferably, two outwardly inclined striker plates 42 are mounted on the lower surfaces of the two ends of the main beam 10, each striker plate 42 surrounding a set of eccentric disc assemblies 9, the crankshaft 8 and the seated bearing 81. The baffle 42 prevents the screening material from polluting and damaging the eccentric disc assembly 9, the crankshaft 8 and the belt seat bearing 81, and the baffle 42 also plays a guiding role, so that the falling track of the tailings can be controlled, and the falling points are concentrated.
What has been described above is merely some embodiments of the present invention. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the invention.
Claims (7)
1. The heavy-duty bouncing screen is characterized by comprising a rack (01) which is obliquely arranged, wherein a cavity (011) is formed in the rack (01), one side of the rack (01) is fixedly provided with a side frame (012),
the driving part (02) comprises a driving motor (5), the driving motor (5) is a bidirectional hollow shaft speed reducing motor, the driving motor (5) is vertically fixed at the middle part of the side frame (012), the middle part of the driving shaft (6) is connected with the driving motor (5) through a key, two ends of the driving shaft (6) are respectively connected with one end shaft of a right angle commutator (7) through a coupler (61), two right angle commutators (7) are respectively fixed at two ends of the side frame (012), the other end of a crankshaft (8) is communicated with the right angle commutators (7), a plurality of eccentric disc assemblies (9) are sleeved on the crankshaft (8),
two ends of a plurality of groups of reinforced sieve plates (03) are respectively fixed on one eccentric disc assembly (9),
each reinforced screen plate (03) comprises a heavy material sorting part (2), a light material sorting part (3) is arranged at the rear side of the heavy material sorting part (2),
the bracket (1) comprises two sliding rails (11) with hollow structures which are arranged in parallel, a pushing rack (12) is fixed on the upper surface of the sliding rail (11), a plurality of pushing pedals (13) are uniformly arranged between the two pushing racks (12),
the heavy material sorting part (2) comprises a plurality of equidistant parallel longitudinal plates (21), a plurality of transverse plates (22) are vertically welded in the middle of the longitudinal plates (21), the longitudinal plates (21) and the transverse plates (22) mutually surround to form a plurality of square grid holes (20) so as to form a grid sieve plate, two ends of the transverse plates (22) are respectively welded with a side plate (23), the side plates (23) are arranged at the front end of the sliding rail (11) in a threaded manner, during the vibration and the sliding of materials, three-dimensional heavy materials can fall along the grid holes (20) in a screening manner,
the light material sorting part (3) is a sieving plate with a rectangular flat plate structure, two sides of the light material sorting part (3) are arranged in the middle of the sliding rail (11) in a threaded manner, a plurality of square through holes (31) which are regularly arranged are arranged in the light material sorting part (3), during the vibration and the sliding of materials, three-dimensional light materials can be sieved and fall along the square through holes (31),
the tailing discharging part (4) comprises a discharging hole (41), the discharging hole (41) is positioned at the rear end of the light material sorting part (3), the material slides downwards at the tail end under vibration, and the two-dimensional light material can be screened and falls down along the discharging hole (41);
the reduction gearbox of the driving motor (5) is provided with a through hole (51), the middle part of the driving shaft (6) is connected to the through hole (51) through a key, the other end of the right-angle commutator (7) is provided with a sleeve hole, the other end of the crankshaft (8) passes through a shaft hole (013) to be communicated with the sleeve hole, and the crankshaft (8) is fixed on a supporting beam (014) of the stand (01) through two disc seat bearings (81);
a sliding cavity (110) is formed in the middle of the sliding rail (11), a penetrating rectangular opening-shaped slide way (111) is formed in the middle of the upper surface of the sliding cavity (110), turning plates (112) are arranged on two sides of the slide way (111), and the side plates (23), the light material sorting part (3), the pushing rack (12) and the pushing pedal (13) can be fixed on the slide way (111) in a threaded manner;
the sliding rail (11) further comprises a fixing plate (113) with a square structure, a threaded hole is formed in the center of the fixing plate (113), and the width of the fixing plate (113) is in clearance fit with the width of the sliding cavity (110).
2. The heavy-duty trampoline screen according to claim 1, wherein two fans (04) are symmetrically installed on the lower side surface of the frame (01), two bottom doors (015) capable of being opened in a rotating mode are arranged on the lower side surface of the frame (01), the outer sides of the bottom doors (015) are hinged to the frame (01), the inner sides of the bottom doors (015) can be fixed through fixing rods (016), air holes are formed in the bottom doors (015), and the fans (04) are fixed outside the air holes.
3. The heavy-duty trampoline screen according to claim 1, further comprising a base (05) of the frame mechanism, wherein a short upright (051) is fixed at the front end of the base (05) and a long upright (052) is fixed at the rear end of the base, the short upright (051) is connected to lower ends of two sides of the lower surface of the frame (01), and the long upright (052) is connected to upper ends of two sides of the lower surface of the frame (01) through an angle lifting assembly (053).
4. The heavy-duty trampoline screen according to claim 1, wherein the driving shaft (6) is further provided with a shield (62), the shield (62) includes an upper sub-cover (621) and a lower sub-cover (622), the upper sub-cover (621) is enclosed and sealed at an upper end of the driving shaft (6) and mounted at an upper surface of the side frame (012), and the lower sub-cover (622) is enclosed and sealed at a lower end of the driving shaft (6) and mounted at an upper surface of the side frame (012).
5. The heavy-duty trampoline screen according to claim 1, wherein the lower surface of the vertical plate (21) is provided with a plurality of upper grooves (211) with rectangular structures, the upper surface of the horizontal plate (22) is provided with a plurality of lower grooves (221) with rectangular structures, the vertical plate (21) is clamped in the lower grooves (221) and the horizontal plate (22) is clamped in the upper grooves (211),
the width of the upper groove (211) is the same as the thickness of the transverse plate (22), the width of the lower groove (221) is the same as the thickness of the longitudinal plate (21), and the height of the lower groove (221) is the same as the height of the material above the upper groove (211) in the longitudinal plate (21).
6. The heavy-duty trampoline screen according to claim 1, wherein the pushing rack (12) is a right-angle bending plate or angle steel, continuous inclined sawteeth (121) which are continuously and uniformly arranged are formed at the upper end of a vertical plate of the pushing rack (12), and materials can continuously slide downwards along the sawteeth (121).
7. The heavy-duty trampoline screen according to claim 1, wherein the support (1) comprises two parallel main beams (10), the main beams (10) are made of plates welded or rectangular pipes, a plurality of cross beams (14) made of rectangular materials are welded between the two main beams (10) to form a rectangular frame structure,
the sliding rail (11) is welded on the main beams (10), the two main beams (10), the tail ends of the light material sorting parts (3) and the end plates are mutually sealed to form the discharging holes (41),
the bracket (1) also comprises a blind plate (15), the blind plate (15) is fixed at the front end of the sliding rail (11) in a threaded manner, the blind plate (15) is positioned in front of the heavy material sorting part (2),
two baffle plates (42) which are inclined outwards are arranged on the lower surfaces of the two ends of the main beam (10).
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| CN201811325808.1A CN109261495B (en) | 2018-11-08 | 2018-11-08 | Heavy-load bouncing screen |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811325808.1A CN109261495B (en) | 2018-11-08 | 2018-11-08 | Heavy-load bouncing screen |
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| CN109261495B true CN109261495B (en) | 2024-02-13 |
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| CN201811325808.1A Active CN109261495B (en) | 2018-11-08 | 2018-11-08 | Heavy-load bouncing screen |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111774295A (en) * | 2019-04-04 | 2020-10-16 | 王欢 | Curved transmission mechanism for ballistic screen |
| CN111001565A (en) * | 2019-12-09 | 2020-04-14 | 苏州嘉诺环境工程有限公司 | Bouncing screen and screening control method thereof |
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| JP2014155928A (en) * | 2014-06-04 | 2014-08-28 | Miike Iron Works Co Ltd | Oscillation sorter |
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