CN116618308B - Sand and stone screening and separating equipment for engineering construction - Google Patents
Sand and stone screening and separating equipment for engineering construction Download PDFInfo
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- CN116618308B CN116618308B CN202310889511.2A CN202310889511A CN116618308B CN 116618308 B CN116618308 B CN 116618308B CN 202310889511 A CN202310889511 A CN 202310889511A CN 116618308 B CN116618308 B CN 116618308B
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- 238000012216 screening Methods 0.000 title claims abstract description 266
- 239000004576 sand Substances 0.000 title claims abstract description 30
- 238000010276 construction Methods 0.000 title claims abstract description 15
- 239000004575 stone Substances 0.000 title abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 72
- 239000000428 dust Substances 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims description 27
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 9
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 9
- 241001330002 Bambuseae Species 0.000 claims description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 9
- 238000010521 absorption reaction Methods 0.000 claims description 9
- 239000011425 bamboo Substances 0.000 claims description 9
- 230000000670 limiting effect Effects 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims 2
- 238000000429 assembly Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 15
- 239000011343 solid material Substances 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 description 12
- 230000009471 action Effects 0.000 description 8
- 230000033001 locomotion Effects 0.000 description 7
- 238000000926 separation method Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
- B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
-
- 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
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
-
- 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
Abstract
The invention discloses sand and stone screening and separating equipment for engineering construction in the technical field of solid material screening, which comprises a base, a top plate and a screening box, wherein a dust collection assembly is arranged on the top plate; the sand and stone are subjected to two-stage screening through the screening net drum and the secondary screening mechanism, so that the sand and stone screening and separating effect is improved; the two arc-shaped screening grooves are separated through the adjusting component, materials in the secondary screening mechanism are discharged, and the lifting supporting structure is matched with the sealing component, so that the rear end of the screening net barrel is opened and then is inclined downwards, and the materials are discharged rapidly.
Description
Technical Field
The invention relates to the technical field of solid material screening, in particular to sand and stone screening and separating equipment for engineering construction.
Background
The sand is a common material in engineering construction, and the sand materials are screened and separated according to construction requirements, and classified according to the particle size of the sand so as to select the material with proper particle size for corresponding construction.
The existing sand screening equipment generally adopts a vibrating screen and the like, and is in an open state during screening work, such as the sand screening equipment for construction engineering with the patent application number of N202021236174.5, so that dust and the like raised in the equipment are extremely easy to diffuse into the air, and adverse effects on the working environment are caused to a certain extent.
The utility model provides a grit sieve separator of separation dust of patent application number CN202022535198.7 is through setting up screening structure in the outer interior of protecting a section of thick bamboo to set up air vent, dust absorption piece and axial fan at the top, make the dust can concentrate and absorb the processing, avoided the dust to outside escape, pollute surrounding environment and influence constructor's healthy.
However, the screening machine adopts a horizontal roller as a screening structure, two ends of the roller are opened, and the screening machine has the following problems in operation:
1. sand and stone material is loaded through the one end of cylinder, and material loading position is close to the cylinder tip, and does not have shielding interception structure, and when the cylinder rotated, because the centrifugal action, partial grit can be thrown out the cylinder, influences sand and stone screening effect etc..
2. After the sand and stone screening is finished, the material is located inside the horizontal roller, and the structure of moving and blanking the material is lacked, so that the material is screened and then deposited inside the roller, and the blanking is inconvenient.
Disclosure of Invention
The invention aims to provide sand screening and separating equipment for engineering construction, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a grit screening splitter for engineering construction, includes the base, and the top surface four corners department of base is fixed with vertical bracing piece to be fixed with horizontal roof jointly through the top of four bracing pieces, and the top on the roof is equipped with dust absorption subassembly, and the bottom is fixed with screening case, and the inside of screening case is equipped with screening net section of thick bamboo;
the bottom surface of the screening box is provided with an arc-shaped surface, the middle of the arc-shaped surface is provided with a notch, the position of the bottom of the screening box corresponding to the notch is provided with a secondary screening mechanism, the middle of the front side of the inner cavity of the screening box is fixedly provided with a driving groove, a driving component is arranged in the driving groove and is correspondingly connected with the secondary screening mechanism, the upper part of the rear side wall of the driving groove is rotationally connected with a vertical first baffle, and the front side of the top end of the first baffle is fixedly provided with a horizontal second baffle;
the screening net barrels are uniformly and parallelly provided with a plurality of screening net barrels, the screening net barrels are positioned at the same height position at the upper part of the inner cavity of the screening box, the central axis of each screening net barrel is arranged along the front-back direction, the front end of each screening net barrel is fixedly provided with a circular end plate, the center of the front side of each end plate is fixedly provided with a rotating shaft, the rotating shafts are all rotationally connected with the first baffle, the front ends of the rotating shafts extend out of the first baffle and are connected with a transmission assembly, and the transmission assembly is correspondingly connected with the driving assembly;
the rear end of screening net section of thick bamboo is fixed with annular guide platform, and the conical surface is established to the inside wall of annular guide platform to the inside wall direction slope of screening net section of thick bamboo, the rear side of a plurality of annular guide platforms is equipped with seals the subassembly, and the bottom is connected with lift bearing structure jointly, evenly is fixed with a plurality of feeder hoppers on the roof, and the bottom mounting of feeder hopper has vertical inlet pipe, and the position of inlet pipe and the position one-to-one of screening net section of thick bamboo, and the bottom stretches into in the screening case, and corresponds with the subassembly of sealing and be connected.
Preferably, the secondary screening mechanism comprises two vertical rocking plates symmetrically positioned at the front side and the rear side of the screening box, a short shaft is fixed at the upper part of the rocking plates and is rotationally connected with the front side wall and the rear side wall of the screening box through the short shaft, the center axis of the arc bottom surface of the screening box coincides with the center line of the short shaft, an adjusting component is arranged in the middle of the outer side wall of the rocking plate, a rocking groove is arranged in the middle of the inner side wall along the length direction, and the rocking groove is correspondingly connected with the driving component;
the bottom symmetry of screening case sets up and sliding connection has two arc screening grooves, arc lateral wall sliding connection of arc screening groove both sides is on the lateral wall of screening case, and be equipped with curved spacing groove on the outside section of arc lateral wall, inboard section corresponds with adjusting part and is connected, the centre of a circle axis coincidence of spacing groove and arc screening groove's centre of a circle axis, correspond to be fixed with curved stopper on the lateral wall of screening case, stopper sliding connection is in the spacing groove, be fixed with the arc screen cloth on the bottom inboard section of arc screening groove, the sieve mesh aperture of arc screen cloth is less than the sieve mesh aperture of screening net section of thick bamboo.
Preferably, a connecting rod is fixed in the middle of the bottom ends of the two rocking plates, the top of the connecting rod is provided with an arc-shaped surface, and two sides of the connecting rod are in contact with the inner ends of the corresponding arc-shaped screens.
Preferably, the adjusting assembly comprises an adjusting box fixed in the middle of the outer side wall of the rocking plate, an adjusting block is slidably connected to the lower portion of the inner cavity of the adjusting box, inclined adjusting rods are symmetrically arranged and connected to the two sides of the bottom of the adjusting block, the bottoms of the adjusting rods are respectively connected with the outer side walls of the arc-shaped screening grooves on the two sides in a rotating mode, a threaded hole is formed in the center of the adjusting block, a vertical screw is connected to the center of the adjusting block in a threaded mode, a motor is connected to the top end of the screw, and the motor is fixedly mounted at the top of the inner cavity of the adjusting box.
Preferably, the drive assembly is including rotating the rolling disc of being connected on screening case front side wall, the eccentric driving axle that is provided with on the lateral surface of rolling disc, driving axle and rolling disc rotate to be connected, and the outside end of driving axle is located the rocking groove inside of rocker, the medial surface of rolling disc is located the drive groove, and coaxial heart is fixed with the fluted disc, evenly be fixed with the tooth along the circumferencial direction on the circumference side of fluted disc, and the top of fluted disc is passed through tooth and is connected with drive assembly correspondence, and there is driving gear through tooth meshing in one side of fluted disc, and driving gear is connected with the motor, the motor is fixed with the front side wall of screening case.
Preferably, the transmission assembly comprises a rotating gear fixed on the rotating shaft, the bottom of the rotating gear positioned in the middle of the first baffle plate is meshed with the top of the fluted disc, one transmission gear is meshed between two adjacent rotating gears, and the transmission gear is connected with the first baffle plate in a rotating way.
Preferably, the seal assembly comprises a movable seat positioned at the rear side of the inner cavity of the screening box, the bottom end of the feeding pipe is in sliding connection with the top surface of the movable seat, two first hydraulic telescopic rods are symmetrically arranged on the rear side surface of the movable seat, the two first hydraulic telescopic rods are fixed on the rear side wall of the screening box, a circular supporting boss is fixed at the position of an inner hole of each annular material guiding table corresponding to the front side surface of the movable seat, the supporting boss is inserted into the annular material guiding table, a vertical feeding hole is arranged on the upper portion of the movable seat, the top end of the feeding hole is correspondingly communicated with the bottom end of the feeding pipe, and the lower side section is inclined towards the lower side and is communicated with the inner cavity of the screening net drum.
Preferably, the front side of the top of the movable seat is horizontally fixed with a sealing plate, and the top surface of the sealing plate is flush with the top surface of the movable seat.
Preferably, the lifting support structure comprises a support wheel positioned below the plurality of annular material guide tables, an axle is fixed at the center of the support wheel, the axle is perpendicular to the rotation axis direction of the screening net drum, lifting blocks are rotatably connected to the two ends of the axle, and the top of each lifting block is connected with the top plate through a second hydraulic telescopic rod.
Preferably, a plurality of balls are uniformly arranged on the wheel surface of the supporting wheel, and the bottoms of the outer side walls of the annular material guide tables at corresponding positions are contacted with the balls.
Preferably, the dust collection assembly comprises an air suction cover fixed at the top of the top plate, a dust suction pipe is fixedly connected to the top end of the air suction cover, the air suction cover is communicated with the inside of the screening box, a fixed net is arranged at the bottom end of the air suction cover, a motor box is fixed in the middle of the top of the fixed net, a motor is arranged in the motor box, the bottom end of a driving shaft of the motor extends out of the bottom surface of the motor box and is fixedly provided with a horizontal rotating rod, bristles are arranged at the top of the rotating rod, and the bristles are in contact with the bottom of the fixed net.
Preferably, the top of dwang has the brush board through a plurality of spring couplings that evenly set up, and the brush hair evenly sets up in the top of brush board, and the bottom of brush board evenly is fixed with a plurality of vertical spring shaft along its length direction, is equipped with a plurality of vertical shaft holes on the dwang, and the bottom of spring shaft is connected in the shaft hole.
Preferably, vertical side plates are symmetrically fixed on two sides of the bottom of the brush plate, and the rotating rod is connected between the two side plates in a sliding mode.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the screening net barrels are fed through the feed hopper and the feed pipe, and the two ends of the screening net barrels are respectively sealed through the end plate and the sealing assembly, so that the situation that sand and stone are discharged from the screening net barrels accidentally is avoided;
2. according to the invention, the secondary screening mechanism and the transmission assembly are driven by the driving assembly at the same time, so that the screening net drum and the secondary screening mechanism work at the same time, two-stage screening is carried out on sand and stone, the effect of screening and separating sand and stone is improved, and a power structure is not required to be configured for the screening drum and the secondary screening mechanism respectively;
3. according to the invention, the plurality of screening net drums are arranged, so that the materials are dispersed to the plurality of screening net drums, the workload of each screening net drum is reduced, the working pressure of each screening net drum is reduced, and the materials are concentrated into a secondary screening mechanism under the condition that the materials are reduced after primary screening, so that the materials are reasonably distributed;
4. according to the invention, the two arc-shaped screening grooves are separated through the adjusting component, materials in the secondary screening mechanism are discharged, and the lifting supporting structure is matched with the sealing component, so that the rear end of the screening net drum is opened and then is inclined downwards, and the materials can be discharged rapidly.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of 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 that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the suction hood of the present invention;
FIG. 3 is a schematic view of a rotating lever according to the present invention;
FIG. 4 is a schematic view of the front side wall structure of the screening box of the present invention;
FIG. 5 is a schematic view of the structure of the regulating box of the present invention;
FIG. 6 is a schematic view of a toothed disc according to the present invention;
FIG. 7 is a schematic view of the arcuate screen of the present invention in an open position;
FIG. 8 is a schematic view of the rear end structure of the screen drum of the present invention;
FIG. 9 is a schematic end view of a support wheel of the present invention;
FIG. 10 is a schematic diagram of an end structure of a mobile seat according to the present invention;
fig. 11 is a schematic view of the bottom structure of the screening box according to the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1-a base, 101-a supporting rod, 102-a top plate, 103-a feed hopper and 104-a feed pipe;
2-an induced draft hood, 201-a fixed net, 202-a dust collection pipe, 203-a motor case, 204-a rotating rod, 205-a spring shaft, 206-a brush plate and 207-a side plate;
3-screening boxes, 301-limiting blocks, 302-driving grooves, 303-fluted discs, 304-rotating discs, 305-poking shafts and 306-driving gears;
4-rocking plates, 401-arc-shaped screening grooves, 402-arc-shaped screens, 403-limit grooves, 404-adjusting rods, 405-connecting rods, 406-adjusting boxes, 407-adjusting blocks, 408-screw rods and 409-rocking grooves;
5-screening net drums, 501-end plates, 502-rotating shafts, 503-first baffles, 504-second baffles, 505-rotating gears, 506-transmission gears, 507-annular material guiding tables;
6-moving seat, 601-supporting boss, 602-feed inlet, 603-sealing plate, 604-first hydraulic telescopic rod;
7-supporting wheels, 701-wheel shafts, 702-balls, 703-lifting blocks and 704-second hydraulic telescopic rods.
Description of the embodiments
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present invention are included in the protection scope of the present invention.
Example 1
Referring to fig. 1, the present invention provides a technical solution:
the utility model provides a grit screening splitter for engineering construction, including base 1, as shown in fig. 1, the top surface four corners department of base 1 is fixed with vertical bracing piece 101, and be fixed with horizontal roof 102 jointly through the top of four bracing pieces 101, and the top on roof 102 is equipped with dust absorption subassembly, in screening separation process, dust etc. that raise carries out dust absorption clearance through dust absorption subassembly, reduce the influence of equipment work to operational environment, the bottom of roof 102 is fixed with screening case 3, screening case 3's inside is equipped with screening net section of thick bamboo 5, carry out primary screening separation to the grit material through screening net section of thick bamboo 5;
as shown in fig. 4, the bottom surface of the screening box 3 is set to be an arc surface, a notch is arranged in the middle of the arc surface, a secondary screening mechanism is arranged at the position, corresponding to the notch, of the bottom of the screening box 3, after the primary screening is completed by the screening net drum 5, the material falls to the bottom of the screening box 3, secondary screening is performed by the secondary screening mechanism, two-stage screening is performed on the material, the screening effect is improved, a driving groove 302 is fixed in the middle of the front side of the inner cavity of the screening box 3, a driving component is arranged in the driving groove 302, the driving component is correspondingly connected with the secondary screening mechanism, the secondary screening mechanism is driven to perform screening work, the upper part of the rear side wall of the driving groove 302 is rotationally connected with a vertical first baffle 503, the front end of the first baffle 503 is fixed with a horizontal second baffle 504, the first baffle 503 is in a vertical state and is in contact with the upper part of the side wall of the driving groove 302, and simultaneously the end part of the second baffle 504 is in contact with the inner side wall of the screening box 3, so that the top of the driving groove 302 is sealed by the first baffle 503 and the second baffle 504, and the inner structure of the driving groove 302 is protected;
the screening net drums 5 are uniformly and parallelly provided with a plurality of screening net drums 5 and are positioned at the same height position on the upper part of the inner cavity of the screening box 3, a plurality of screening net drums 5 are arranged in the equipment, when the sand and stone materials with the same quantity are processed, the work load of each screening net drum 5 is reduced by dispersing the materials to the plurality of screening net drums 5, the working pressure of each screening net drum 5 is reduced, the central axis of each screening net drum 5 is arranged along the front-back direction, the front end of each screening net drum 5 is fixedly provided with a circular end plate 501, as shown in fig. 4, the center of the front side of each end plate 501 is fixedly provided with a rotating shaft 502, the plurality of rotating shafts 502 are all connected with a first baffle 503 in a rotating way, the front end of each rotating shaft extends out of the first baffle 503 and is connected with a transmission assembly, and the transmission assembly is correspondingly connected with the driving assembly so as to transmit the power of the driving assembly, and the plurality of screening net drums 5 rotate simultaneously, and sand and stone are subjected to primary screening separation;
as shown in fig. 8, the rear end of the screening net drum 5 is fixed with an annular material guiding table 507, the inner side wall of the annular material guiding table 507 is provided with a conical surface and inclines towards the inner side wall direction of the screening net drum 5, so that the entering material can smoothly fall onto the screening net drum 5 along the inclined wall surface, the rear sides of the annular material guiding tables 507 are provided with sealing components, the bottoms are jointly connected with a lifting support structure, the lifting support structure is located at the annular material guiding table 507 and staggered with the screen hole positions of the screening net drum 5, the screened material is prevented from falling onto the lifting support structure directly, a plurality of feed hoppers 103 are uniformly fixed on a top plate 102, the bottom ends of the feed hoppers 103 are provided with vertical feed pipes 104, the positions of the feed pipes 104 correspond to the positions of the screening net drum 5 one by one, and the bottom ends of the feed hoppers 103 extend into the screening box 3 and are correspondingly connected with the sealing components.
In order to realize the secondary screening function of sand materials, as shown in fig. 4, the secondary screening mechanism comprises two vertical rocking plates 4 symmetrically positioned at the front side and the rear side of a screening box 3, a short shaft is fixed at the upper part of the rocking plates 4 and is rotationally connected with the front side wall and the rear side wall of the screening box 3 through the short shaft, the center axis of the arc bottom surface of the screening box 3 coincides with the center line of the short shaft, an adjusting component is arranged in the middle of the outer side wall of the rocking plates 4, a rocking groove 409 is arranged in the middle of the inner side wall along the length direction, the rocking groove 409 is correspondingly connected with a driving component, and when the driving component works, the rocking plates 4 reciprocate through the rocking groove 409;
as shown in fig. 4, the bottom symmetry of screening case 3 sets up and sliding connection has two arc screening grooves 401, arc lateral wall sliding connection of arc screening groove 401 both sides is on the lateral wall of screening case 3, and be equipped with curved spacing groove 403 on the outside section of arc lateral wall, the inboard section corresponds with adjusting part and is connected, be used for adjusting the position of two arc screening grooves 401, make two arc screening grooves 401 fold or separate, and then correspond and carry out screening or unloading, the centre of a circle axis of spacing groove 403 and the coincidence of the centre of a circle axis of arc screening groove 401, correspond and be fixed with curved stopper 301 on the lateral wall of screening case 3, stopper 301 sliding connection is in spacing groove 403, through the bottom surface limiting effect of stopper 301 and screening case 3, make arc screening groove 401 only can follow the pitch arc direction motion, as shown in fig. 11, be fixed with arc screen 402 on the bottom inboard section of arc screening groove 401, the sieve pore aperture of arc screen 402 is less than the sieve pore aperture of screening drum 5, make behind the primary screening of material such as grit drum 5, carry out secondary screening through arc screen 402 and improve the screening effect.
During operation of the secondary screening mechanism, the driving assembly drives the swing plate 4 to reciprocate in a certain angle through the swing groove 409, and then drives the arc screening groove 401 and the arc screen 402 to swing, and after materials fall onto the arc screen 402, the materials are subjected to secondary screening through the arc screen 402 which reciprocates, sand materials are further separated, and the sand material screening effect is improved.
Further, the connecting rod 405 is fixed in the middle of the bottom ends of the two rocking plates 4, as shown in fig. 7, the top of the connecting rod 405 is provided with an arc surface, two sides are in contact with the inner ends of the corresponding arc screens 402, the positions of the bottom ends of the two rocking plates 4 are mutually fixed by arranging the connecting rod 405 between the bottom ends of the two rocking plates 4, the stability of the overall structure is improved in the moving process, and when the two arc screening grooves 401 are folded inwards, the inner sides of the arc screens 402 are in tight contact with the two sides of the connecting rod 405 under the action of the adjusting component.
As shown in fig. 5, the driving component includes a rotating disc 304 rotatably connected to the front side wall of the screening box 3, a stirring shaft 305 is eccentrically disposed on the outer side surface of the rotating disc 304, the stirring shaft 305 is rotatably connected with the rotating disc 304, the outer side end of the stirring shaft 305 is located inside a swinging groove 409 of the swinging plate 4, the inner side surface of the rotating disc 304 is located in the driving groove 302, a fluted disc 303 is coaxially fixed on the inner side surface of the fluted disc 303, teeth are uniformly fixed on the circumferential side surface of the fluted disc 303 along the circumferential direction, and the top of the fluted disc 303 is correspondingly connected with the transmission component through the teeth, so that when the driving component works, the rotation shaft 502 drives the screening net drum 5 to rotate through the transmission of the transmission component, primary screening is performed, a driving gear 306 is meshed on one side of the fluted disc 303 through the teeth, and the driving gear 306 is connected with a motor, and the motor is fixed on the front side wall of the screening box 3, and the motor provides a driving function for the driving gear 306.
When the driving assembly works, the driving gear 306 drives the fluted disc 303 to rotate through the motor, so that the transmission assembly and the rotating disc 304 rotate simultaneously, the transmission assembly drives the rotating shaft 502 and the screening net drum 5 to rotate, the rotating disc 304 drives the shifting shaft 305 to move along the circumferential direction, the rotating disc 304 and the shifting shaft 305 form a crank rocker mechanism through the rocking groove 409 and the rocking plate 4, the rotating disc 304 and the shifting shaft 305 are used as driving parts, the rocking groove 409 drives the rocking plate 4 to swing reciprocally in a certain angle, and accordingly the arc screening groove 401 is driven to swing reciprocally, and the screening effect of the arc screen 402 is improved.
As shown in fig. 6, the transmission assembly includes a rotation gear 505 fixed on the rotation shaft 502, the bottom of the rotation gear 505 located at the middle position of the first baffle 503 is meshed with the top of the fluted disc 303, when the fluted disc 303 of the driving assembly rotates, the rotation gear 505 in the middle position can be driven to rotate, two adjacent rotation gears 505 are meshed with one transmission gear 506 together, the transmission gear 506 is rotationally connected with the first baffle 503, and the rotation gears 505 rotate simultaneously through the transmission of the transmission gear 506, so that the rotation shafts 502 drive the screening screen cylinders 5 to rotate for screening and separation.
As shown in fig. 8, the sealing assembly includes a movable seat 6 located at the rear side of the inner cavity of the screening box 3, the bottom end of the feeding pipe 104 is slidably connected with the top surface of the movable seat 6, two first hydraulic telescopic rods 604 are symmetrically disposed at the rear side of the movable seat 6, and the two first hydraulic telescopic rods 604 are fixed to the rear side wall of the screening box 3, as shown in fig. 10, a circular supporting boss 601 is fixed to the front side of the movable seat 6 corresponding to the inner hole of each annular guiding table 507, the supporting boss 601 is inserted into the annular guiding table 507, and a chamfer is disposed at the edge of the inner side end, so that when the supporting boss 601 moves towards the annular guiding table 507, the material can quickly and accurately enter the annular guiding table 507 through the chamfer structure, the upper portion of the movable seat 6 is provided with a vertical feeding inlet 602, the top end of the feeding inlet 602 is correspondingly communicated with the bottom end of the feeding pipe 104, and the lower side section is inclined downward toward the inner cavity of the screening net drum 5, so that the material in the feeding hopper 103 can fall along the feeding pipe 104, enter the feeding pipe 602, and the inclined section into the screening net drum 5.
After screening, the residual materials in the screening net drum 5 need to be discharged and discharged, the movable seat 6 is moved backwards through the first hydraulic telescopic rod 604, so that the supporting boss 601 is separated from the annular material guiding table 507, and a sufficient space is reserved between the annular material guiding table 507 and the supporting boss 601, so that the screening net drum 5 and the annular material guiding table 507 can incline towards the lower rear side under the action of the lifting supporting structure, and internal materials are discharged and discharged.
Further, as shown in fig. 8, the sealing plate 603 is horizontally fixed on the front side of the top of the movable seat 6, and the top surface of the sealing plate 603 is flush with the top surface of the movable seat 6, so that when the movable seat 6 moves to the rear side, the bottom end of the feeding pipe 104 can move to the top surface of the movable seat 6, so that after the positions of the feeding pipe 104 and the feeding hole 602 are staggered, the bottom end of the feeding pipe 104 is sealed by the sealing plate 603, and the problem that residual materials in the feeding hopper 103 directly fall onto the arc-shaped screen 402 without passing through the screening screen drum 5, the subsequent screening effect is affected, and the like is avoided.
The working principle of the embodiment is as follows:
when the equipment works, the sand and gravel screening machine supplies materials to the corresponding screening net barrels 5 through the feed hopper 103 and the feed pipe 104, sand and gravel enter the screening net barrels 5 through the sealing assembly, the front end of the screening net barrels 5 is sealed through the end plate 501, the rear end of the screening net barrels 5 is sealed through the sealing assembly, and the sand and gravel are prevented from being discharged from the screening net barrels 5 accidentally and the like.
The driving assembly is started, the secondary screening mechanism and the transmission assembly move simultaneously, two-stage screening is performed simultaneously, the sand screening and separating effect and screening efficiency are improved, and a power structure is not required to be configured for the screening cylinder and the secondary screening mechanism respectively.
When a plurality of screening net barrels 5 rotate under the effect of drive assembly, the rear end rotates for lift bearing structure and seal the subassembly to at the rotation in-process, carry out primary screening to the grit material, the material of screening falls to screening case 3's bottom, and moves to notch department along the arc bottom surface, falls into secondary screening mechanism on, drive assembly makes the reciprocal swing of secondary screening mechanism in certain angle, thereby carries out secondary screening separation to the material.
After screening is finished, the driving assembly stops working, the positions of the two arc-shaped screening grooves 401 are adjusted through the adjusting assembly, the two arc-shaped screening grooves 401 slide outwards, so that the inner sides of the two arc-shaped screens 402 are separated, openings appear, the rest materials on the arc-shaped screens 402 are fed, and the discharging of the materials on the arc-shaped screening grooves 401 is accelerated through the movement of the driving assembly, the rocking plate 4 and other structures;
the sealing assembly moves backwards, is separated from the rear end of the screening net drum 5 and leaves a certain space, then the lifting support structure moves downwards, the screening net drum 5 inclines downwards to the rear side along with the downward movement of the lifting support structure under the action of self gravity, and therefore materials accumulated in the screening net drum 5 can be discharged and fall down, and blanking collection and the like are conveniently carried out.
Example two
In order to realize the position adjusting function of two arc screening grooves 401, this embodiment discloses the structure of adjusting assembly on the basis of embodiment one, as shown in fig. 4, 5, adjusting assembly includes the regulating box 406 that is fixed in the middle part of the rocker 4 lateral wall, the inner chamber lower part sliding connection of regulating box 406 has regulating block 407, make regulating block 407 can follow vertical direction and remove, the bottom bilateral symmetry of regulating block 407 sets up and is connected with the regulation pole 404 of slope, and the bottom of regulating rod 404 is connected with the arc screening groove 401 lateral wall rotation of both sides respectively, when regulating block 407 removes, drive the top of regulating rod 404 and remove, and then make arc screening groove 401 motion through the bottom of regulating block 407, adjust the position of arc screening groove 401, the center department of regulating block 407 is equipped with the screw hole, and threaded connection has vertical screw 408, and the top of screw 408 is connected with the motor, motor fixed mounting is in the inner chamber top of regulating box 406.
When the arc-shaped screening grooves 401 perform screening work, the inner side edges of the two arc-shaped screening grooves 401 are contacted under the action of the structures such as the adjusting rods 404 and the adjusting blocks 407, and the positions of the two arc-shaped screening grooves are opposite to each other, so that a complete screening groove is formed, and materials are screened; after screening, the material deposited on the arc screen 402 needs to be fed, the motor is started, the screw 408 is rotated, the adjusting block 407 moves under the action of the screw thread, and the arc screening grooves 401 on two sides slide outwards through the transmission of the adjusting rod 404, and an opening is formed between the inner side edges of the two arc screening grooves 401 so as to discharge the material.
Example III
In order to realize the blanking function of the screening net drum 5, the present embodiment discloses the technical characteristics of a lifting support structure on the basis of the first embodiment, as shown in fig. 8 and 9, the lifting support structure comprises a support wheel 7 positioned below a plurality of annular material guiding tables 507, an axle 701 is fixed at the center of the support wheel 7, the axle 701 is perpendicular to the direction of the rotation axis 502 of the screening net drum 5, two ends of the axle 701 are rotatably connected with lifting blocks 703, the top of the lifting blocks 703 is connected with the top plate 102 through a second hydraulic telescopic rod 704, the screening net drum 5 is kept in a horizontal state in the screening working process through the limit supporting function of the support wheel 7, so that two ends of the screening net drum 5 are correspondingly connected with a driving assembly and a sealing assembly,
after the screening work of the screening net drum 5 is finished, the driving assembly stops working, the sealing assembly moves to the rear side and is separated from the screening net drum 5, and then the position of the lifting block 703 is adjusted through the hydraulic telescopic rod to drive the wheel shaft 701 and the supporting wheel 7 to move downwards, so that the screening net drum 5 inclines to the lower rear side along with the downward movement of the supporting wheel 7 under the action of self gravity, and the residual materials in the screening net drum 5 are discharged, discharged and the like.
In the screening process, the rotation axis 502 of the screening net drum 5 is perpendicular to the rotation axis 502 of the supporting wheel 7, so when the annular material guiding table 507 rotates along with the rotation axis 502, friction is generated between the annular material guiding table 507 and the wheel surface of the supporting wheel 7 at a contact position, adverse effects are caused on rotation of the screening net drum, abrasion is caused on the wheel surface of the supporting wheel 7, and the like, in order to improve the problem, a plurality of balls 702 can be uniformly arranged on the wheel surface of the supporting wheel 7, as shown in fig. 9, the bottoms of the outer side walls of the annular material guiding table 507 at corresponding positions are contacted with the balls 702, and when the screening net drum 5 rotates, the annular material guiding table 507 is contacted with the supporting wheel 7 through the balls 702 by arranging the balls 702, so that friction is reduced, movement flexibility of the screening net drum 5 is improved, and abrasion to the wheel surface of the supporting wheel 7 is reduced.
Example IV
The first embodiment discloses a technical feature of a dust collection assembly, as shown in fig. 2, the dust collection assembly includes an air suction cover 2 fixed on the top of a top plate 102, a dust suction pipe 202 is fixedly connected to the top end of the air suction cover 2, the dust suction pipe 202 is connected to external dust collection equipment, the air suction cover 2 is communicated with the inside of a screening box 3, a fixed net 201 is arranged at the bottom end of the air suction cover, a motor box 203 is fixed in the middle of the top of the fixed net 201, a motor is arranged in the motor box 203, the motor box 203 provides protection for the motor, dust-containing air is prevented from adhering to the motor when passing through the air suction cover 2, the bottom end of a driving shaft of the motor extends out of the bottom surface of the motor box 203, a horizontal rotating rod 204 is fixed, bristles are arranged at the top of the rotating rod 204 and are contacted with the bottom of the fixed net 201, so that the rotating rod 204 can rotate through the motor, the bristles can be driven to move at the bottom of the fixed net 201, and the fixed net 201 is cleaned, and the blocking condition of the fixed net 201 is reduced.
In this embodiment, during operation, through outside dust collecting equipment, make the dust-laden air pass through behind the fixed network 201 screening, carry out dust absorption clearance through dust absorption pipe 202 and outside dust collecting equipment, avoid the great material of granule to get into in the dust absorption pipe 202, when the fixed network 201 appears blocking up etc. the condition, make dwang 204 drive the brush hair through the motor and rotate, clear up fixed network 201.
Example five
The structure of this embodiment is basically the same as that of the fourth embodiment, except that, as shown in fig. 3, a brush plate 206 is connected to the upper side of the rotating rod 204 through a plurality of uniformly arranged springs, bristles are uniformly arranged on the top of the brush plate 206, a plurality of vertical spring shafts 205 are uniformly fixed to the bottom of the brush plate 206 along the length direction of the brush plate, a plurality of vertical shaft holes are formed in the rotating rod 204, the bottom ends of the spring shafts 205 are connected to the shaft holes, the spring shafts 205 limit the movement direction of the brush plate 206 relative to the rotating rod 204, and in the rotating process of the rotating rod 204, the bristles on the brush plate 206 are kept in contact with the fixed net 201 through the action of the springs, so that the cleaning effect on the fixed net 201 is ensured.
Wherein, the bottom both sides symmetry of brush board 206 are fixed with vertical curb plate 207, and dwang 204 sliding connection is between two curb plates 207, plays the shielding effect through curb plate 207 to for structures such as spring shaft 205 and spring on the dwang 204 provide dustproof effect to a certain extent.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are merely helpful in illustrating the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (4)
1. The utility model provides a grit screening splitter for engineering construction, includes base (1), the top surface four corners department of base (1) is fixed with vertical bracing piece (101) to be fixed with horizontally roof (102) jointly through the top of four bracing pieces (101), and the top on roof (102) is equipped with dust absorption subassembly, and the bottom is fixed with screening case (3), and the inside of screening case (3) is equipped with screening net section of thick bamboo (5), its characterized in that: the bottom surface of the screening box (3) is provided with an arc-shaped surface, a notch is formed in the middle of the arc-shaped surface, a secondary screening mechanism is arranged at the position, corresponding to the notch, of the bottom of the screening box (3), a driving groove (302) is fixed in the middle of the front side of an inner cavity of the screening box (3), a driving assembly is arranged in the driving groove (302), the driving assembly is correspondingly connected with the secondary screening mechanism, a vertical first baffle (503) is rotatably connected to the upper part of the rear side wall of the driving groove (302), and a horizontal second baffle (504) is fixed on the front side of the top end of the first baffle (503); the screening net drums (5) are uniformly and parallelly provided with a plurality of screening net drums and are positioned at the same height position on the upper part of an inner cavity of the screening box (3), the central axis of each screening net drum (5) is arranged in the front-back direction, a round end plate (501) is fixed at the front end of each screening net drum, a rotating shaft (502) is fixed at the center of the front side of each end plate (501), the rotating shafts (502) are rotationally connected with the first baffle (503), the front ends of the rotating shafts extend out of the first baffle (503), a transmission assembly is connected with the corresponding transmission assembly, and the transmission assembly is correspondingly connected with the driving assembly; the rear end of the screening net drum (5) is fixedly provided with an annular material guide table (507), the inner side wall of the annular material guide table (507) is provided with a conical surface and inclines towards the inner side wall direction of the screening net drum (5), the rear sides of the annular material guide tables (507) are provided with sealing assemblies, the bottoms are connected with lifting supporting structures together, the top plate (102) is uniformly provided with a plurality of feed hoppers (103), the bottom ends of the feed hoppers (103) are fixedly provided with vertical feed pipes (104), the positions of the feed pipes (104) correspond to the positions of the screening net drums (5) one by one, and the bottom ends of the feed pipes extend into the screening boxes (3) and are correspondingly connected with the sealing assemblies; the secondary screening mechanism comprises two vertical rocking plates (4) symmetrically positioned at the front side and the rear side of the screening box (3), a short shaft is fixed at the upper part of the rocking plates (4), the short shaft is rotationally connected with the front side wall and the rear side wall of the screening box (3), the center axis of the arc bottom surface of the screening box (3) coincides with the center line of the short shaft, an adjusting component is arranged in the middle of the outer side wall of the rocking plates (4), a rocking groove (409) is formed in the middle of the inner side wall along the length direction, and the rocking groove (409) is correspondingly connected with the driving component; the bottom of the screening box (3) is symmetrically provided with two arc screening grooves (401) in a sliding connection manner, arc side walls on two sides of the arc screening grooves (401) are slidably connected to the outer side wall of the screening box (3), arc limiting grooves (403) are formed in the outer side sections of the arc side walls, the inner side sections are correspondingly connected with the adjusting components, the circle center axes of the limiting grooves (403) are coincident with the circle center axes of the arc screening grooves (401), arc limiting blocks (301) are correspondingly fixed on the side walls of the screening box (3), the limiting blocks (301) are slidably connected to the limiting grooves (403), arc screen meshes (402) are fixed on the inner side sections of the bottom of the arc screening grooves (401), and the mesh aperture of the arc screen meshes (402) is smaller than that of the screening mesh drum (5); the adjusting assembly comprises an adjusting box (406) fixed in the middle of the outer side wall of the rocking plate (4), an adjusting block (407) is connected to the lower portion of an inner cavity of the adjusting box (406) in a sliding mode, two sides of the bottom of the adjusting block (407) are symmetrically provided with inclined adjusting rods (404), the bottom ends of the adjusting rods (404) are respectively and rotatably connected with the outer side walls of arc-shaped screening grooves (401) on the two sides, a threaded hole is formed in the center of the adjusting block (407), a vertical screw (408) is connected with threads, a motor is connected to the top end of the screw (408), and the motor is fixedly mounted on the top of the inner cavity of the adjusting box (406);
the sealing assembly comprises a movable seat (6) positioned at the rear side of an inner cavity of the screening box (3), the bottom end of the feeding pipe (104) is in sliding connection with the top surface of the movable seat (6), two first hydraulic telescopic rods (604) are symmetrically arranged on the rear side surface of the movable seat (6), the two first hydraulic telescopic rods (604) are fixed with the rear side wall of the screening box (3), circular supporting bosses (601) are fixed at the positions, corresponding to the inner holes of each annular material guiding table (507), on the front side surface of the movable seat (6), the supporting bosses (601) are inserted into the annular material guiding tables (507), vertical feeding holes (602) are formed in the upper portion of the movable seat (6), the top ends of the feeding holes (602) are correspondingly communicated with the bottom end of the feeding pipe (104), and the lower side sections incline downwards forwards and are communicated with the inner cavity of the screening net drum (5). A sealing plate (603) is horizontally fixed on the front side of the top of the movable seat (6), and the top surface of the sealing plate (603) is flush with the top surface of the movable seat (6); the lifting support structure comprises support wheels (7) positioned below a plurality of annular material guide tables (507), an axle (701) is fixed at the center of each support wheel (7), the axle (701) is perpendicular to the line direction of a rotating shaft (502) of the screening net drum (5), lifting blocks (703) are rotatably connected to two ends of the axle (701), and the tops of the lifting blocks (703) are connected with a top plate (102) through second hydraulic telescopic rods (704); the surface of the supporting wheel (7) is uniformly provided with a plurality of balls (702), and the bottom of the outer side wall of the annular material guiding table (507) at the corresponding position is contacted with the balls (702).
2. The sand screening and separating device for engineering construction according to claim 1, wherein: the driving assembly comprises a rotating disc (304) which is rotationally connected to the front side wall of the screening box (3), a shifting shaft (305) is eccentrically arranged on the outer side surface of the rotating disc (304), the shifting shaft (305) is rotationally connected with the rotating disc (304), the outer side end of the shifting shaft (305) is located inside a swinging groove (409) of a swinging plate (4), the inner side surface of the rotating disc (304) is located in the driving groove (302) and is fixedly provided with a fluted disc (303) with the same axis, teeth are uniformly fixed on the circumferential side edge of the fluted disc (303) along the circumferential direction, the top of the fluted disc (303) is correspondingly connected with the transmission assembly through the teeth, a driving gear (306) is meshed on one side of the fluted disc (303), and the driving gear (306) is connected with a motor which is fixedly arranged on the front side wall of the screening box (3).
3. The sand screening and separating device for engineering construction according to claim 2, wherein: the transmission assembly comprises a rotating gear (505) fixed on a rotating shaft (502), the bottom of the rotating gear (505) positioned in the middle of the first baffle (503) is meshed with the top of the fluted disc (303), a transmission gear (506) is meshed between two adjacent rotating gears (505), and the transmission gear (506) is rotationally connected with the first baffle (503).
4. The sand screening and separating device for engineering construction according to claim 1, wherein: the dust collection assembly comprises an air suction cover (2) fixed at the top of a top plate (102), a dust suction pipe (202) is fixedly arranged at the top end of the air suction cover (2) in a communicating manner, a fixed net (201) is arranged at the bottom end of the air suction cover (2) and the inside of a screening box (3), a motor box (203) is fixedly arranged in the middle of the top of the fixed net (201), a motor is arranged in the motor box (203), the bottom surface of the motor box (203) extends out of the bottom end of a driving shaft of the motor, a horizontal rotating rod (204) is fixedly arranged, bristles are arranged at the top of the rotating rod (204), and the bristles are in contact with the bottom of the fixed net (201).
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| CN202310889511.2A CN116618308B (en) | 2023-07-20 | 2023-07-20 | Sand and stone screening and separating equipment for engineering construction |
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| CN202310889511.2A CN116618308B (en) | 2023-07-20 | 2023-07-20 | Sand and stone screening and separating equipment for engineering construction |
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| CN116618308B true CN116618308B (en) | 2023-10-03 |
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