CN114146755B - Asphalt mixture aggregate crushing multistage screening equipment - Google Patents
Asphalt mixture aggregate crushing multistage screening equipment Download PDFInfo
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- CN114146755B CN114146755B CN202111368790.5A CN202111368790A CN114146755B CN 114146755 B CN114146755 B CN 114146755B CN 202111368790 A CN202111368790 A CN 202111368790A CN 114146755 B CN114146755 B CN 114146755B
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- crushing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2/00—Crushing or disintegrating by gyratory or cone crushers
- B02C2/02—Crushing or disintegrating by gyratory or cone crushers eccentrically moved
- B02C2/04—Crushing or disintegrating by gyratory or cone crushers eccentrically moved with vertical axis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
- B02C23/12—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone with return of oversize material to crushing or disintegrating zone
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
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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
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
- B07B1/34—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen
- B07B1/343—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen with mechanical drive elements other than electromagnets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
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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
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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
- B07B2201/00—Details applicable to machines for screening using sieves or gratings
- B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Disintegrating Or Milling (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses asphalt mixture aggregate crushing multistage screening equipment which comprises a screening box body, wherein a power transmission mechanism is installed on the inner wall of the middle part of the screening box body, an aggregate temporary storage assembly is arranged above the power transmission mechanism, a conical crushing mechanism is arranged on the upper side of the aggregate temporary storage assembly, an arc-shaped extrusion surface fixed on the inner wall of the screening box body is arranged on the outer side of the conical crushing mechanism, the lower part of the arc-shaped extrusion surface is connected with a cylinder, a needle sheet type screening mechanism is arranged below one power transmission mechanism, the needle sheet type screening mechanism comprises an upper movable plate and a lower movable plate which are hinged through hinges, and an aggregate upper outlet plate and an aggregate lower outlet plate and a needle sheet upper outlet plate and a needle sheet lower outlet plate are respectively hinged to two sides of the upper movable plate and the lower movable plate. The invention has reasonable design, stable operation of the device, thorough screening of the needle sheets, good guarantee of the quality of the asphalt mixture aggregate, high screening efficiency and certain guarantee for the efficient preparation of the asphalt mixture aggregate.
Description
Technical Field
The invention relates to a mixed aggregate treatment technology, in particular to asphalt mixture aggregate crushing multistage screening equipment.
Background
The asphalt mixture is a general term for a mixture formed by mixing a mineral mixture and an asphalt binder, wherein the mineral mixture plays a role of a framework, and the asphalt and a filler play roles of cementation and filling. At present, stone materials with large particle sizes are mostly used as asphalt mixture aggregates after being crushed by a crusher, and the stone materials are repeatedly and circularly crushed without being screened by the conventional crushing scheme, so that the crushing effect is improved, and the working efficiency is low. Meanwhile, the crusher lacks a function of screening crushed stone materials, so that the crushed stone materials have different quality, subsequent treatment is required to be carried out on products, and the production cost is increased.
The strength of the asphalt mixture depends on the grading and the form of aggregates to a great extent, the adoption of the aggregates with larger and uniform particle sizes can improve the interlocking force and the internal friction angle of the asphalt mixture, and further improve the strength of the asphalt mixture, so that needle sheet-shaped particles in the aggregates need to be screened out, the needle sheet-shaped content in the aggregates is reduced, and the conventional needle sheet-shaped screening mechanism has multiple simple structures and a single operation form, and is difficult to effectively screen out the needle sheet-shaped particles in the aggregates.
Disclosure of Invention
The invention aims to solve the problems of labor consumption and low efficiency in the prior art, and provides asphalt mixture aggregate crushing multi-stage screening equipment.
In order to achieve the purpose, the invention adopts the following technical scheme:
the asphalt mixture aggregate crushing multistage screening device comprises a screening box body, wherein a power transmission mechanism is installed on the inner wall of the middle part of the screening box body, an aggregate temporary storage assembly is arranged above the power transmission mechanism, a conical crushing mechanism is arranged on the upper side of the aggregate temporary storage assembly, an arc-shaped extrusion surface fixed on the inner wall of the screening box body is arranged on the outer side of the conical crushing mechanism, the lower part of the arc-shaped extrusion surface is connected with an air cylinder, and a needle-shaped screening-out mechanism is arranged below the power transmission mechanism; the needle sheet screening mechanism comprises an upper movable plate and a lower movable plate which are hinged through hinges, an aggregate upper outlet plate and an aggregate lower outlet plate are hinged to two sides of the upper movable plate and two sides of the lower movable plate respectively, a needle sheet upper outlet plate and a needle sheet lower outlet plate are hinged to two sides of the needle sheet screening mechanism, a left support frame and a right support frame are arranged on two sides of the needle sheet screening mechanism, one end, close to the lower movable plate, of the upper movable plate and one end, close to the lower movable plate, of the upper movable plate are provided with a needle sheet outer screening barrel and a needle sheet inner screening barrel, the needle sheet inner screening barrel is sleeved on the inner side of the needle sheet outer screening barrel, the needle sheet inner screening barrel is fixed on the inner walls of the needle sheet upper outlet plate and the needle sheet lower outlet plate, an adjusting shaft is fixed to one side of the needle sheet outer screening barrel, one side of the right support frame of the left support frame is fixed with a connecting shaft, the connecting shaft is rotatably connected to the side wall of a screening box body, the adjusting shaft penetrates out of the connecting shaft and is fixed with a rotating disc, a scale line is arranged outside the rotating disc, a temporary stabilizing assembly is further arranged outside the adjusting shaft, the temporary stabilizing assembly comprises a ratchet wheel, a base is arranged outside the ratchet wheel, a plurality of pawls are arranged on the inner side of the base, and the base are clamped to the ratchet wheel, and the ratchet wheel; the needle sheet screening mechanism is provided with a reciprocating driving mechanism below, and the two sides of the reciprocating driving mechanism are respectively provided with a needle sheet screening component and an aggregate screening component.
Preferably, the power transmission mechanism comprises a gear box, the gear box is fixed on the inner wall of the screening box body, two side walls of the gear box are respectively and rotatably connected with a transmission shaft, one end of each transmission shaft extends to the outer side of the screening box body and is fixedly connected with a driving belt pulley, the middle part of the inner bottom surface of the gear box is rotatably connected with an installation rod, the installation rods and the two transmission shafts are rotatably connected with a bevel gear set, and the top surface of the bevel gear on the transmission shaft is eccentrically connected with a driving rod.
Preferably, the cone crushing mechanism comprises a crushing hopper, the crushing hopper is fixed on the outer wall of the driving rod, a baffle is fixed on the outer wall of the crushing hopper, a connecting strip fixed on the inner wall of the screening box body is further arranged on the upper side of the crushing hopper, the top end of the driving rod is rotatably connected to the bottom surface of the connecting strip, and the arc-shaped extrusion surface is arranged above the baffle.
Preferably, aggregate subassembly of keeping in includes guide swash plate and open-close board, and the guide swash plate is fixed on screening case body, the guide swash plate lower part is left the space and is supplied the open-close board activity, the open-close board is formed by the concatenation of the mobile sector plate of polylith, and the open-close board passes through the telescopic link drive.
Preferably, the reciprocating driving mechanism comprises a power wheel, the edge of the power wheel is connected with a power shaft in a rotating mode, arc-shaped teeth are fixed on the outer wall of the power shaft, the two sides of each arc-shaped tooth are connected with a movable shaft with gear teeth in a meshing mode, the cross section of each movable shaft is rectangular, and two pairs of conical protrusions are arranged on the two sides of each movable shaft.
Preferably, needle slice screening subassembly includes the screening ware, and screening ware inner wall slope sliding connection has needle slice screening net and fine aggregate screening net, and needle slice screening net and fine aggregate screening net bottom surface both sides all are fixed with the shock rod, and the shock rod bottom is equipped with the conical surface identical with the toper arch, rotate between needle slice screening net and the fine aggregate screening net and be connected with firm pole, firm pole downside rotates to be connected on the loose axle top surface, needle slice screening net and fine aggregate screening net deviate from screening ware center one side and all install ejection of compact conveyer belt.
Preferably, thin aggregate screening net sets up to the multilayer and sets up to the pull formula, changes through taking out, and from top to bottom the sieve mesh reduces gradually, needle slice screening subassembly left side is equipped with bucket elevator one, bucket elevator one can carry the building stones after other crushing machinery are broken to the material subassembly of keeping in and carry out needle slice screening once more.
Preferably, the structure that aggregate screening subassembly includes is unanimous with the structure of needle slice form screening subassembly, and aggregate screening subassembly one side is provided with bucket elevator two, bucket elevator two can transport the aggregate that screens out the super grain size to the crushing mechanism in broken again.
Compared with the prior art, the invention provides the multistage screening equipment for asphalt mixture aggregate crushing, which has the following beneficial effects:
1. the invention has reasonable design, stable operation of the device, thorough screening of stone materials, good guarantee of the preparation quality of the asphalt mixture aggregate, high screening efficiency and certain guarantee of the high-efficiency preparation of the asphalt mixture aggregate;
2. according to the invention, through the integrated design of crushing and screening, the steps of transporting crushed stone materials to a screening machine are reduced, the production steps are simplified, the super-grain aggregate is circularly crushed after screening, and compared with the traditional method of completely re-crushing the crushed stone materials, the crushing efficiency is improved, and the quality of the aggregate is effectively improved;
3. the invention can independently sieve the crushed stone materials of other equipment in a needle sheet shape under the condition that the crushing mechanism stops, improves the aggregate quality of the asphalt mixture, and simultaneously inspects the needle sheet shape content qualification rate of the crushed stone materials of other equipment, thereby realizing the purpose of one machine with two purposes;
4. according to the invention, needle sheets in aggregate are effectively screened out through the design of the needle sheet screening barrel and a rotary screening mode, screening out of needle sheet particles with different particle sizes is realized by adjusting the relative position of the inner needle sheet screening barrel and the outer needle sheet screening barrel, the needle sheet content in the aggregate is reduced, the aggregate quality is improved, meanwhile, the arc-shaped extrusion surface is adjusted through lifting, the distance between the arc-shaped extrusion surface and the conical baffle plate is timely adjusted when the ultra-particle-diameter aggregate is too much, and the stone crushing efficiency is improved.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a front cross-sectional view of the screening container body of the present invention;
FIG. 3 is a plan view of the needle sheet sifting mechanism of the present invention;
FIG. 4 is a cross-sectional view of an interface of a temporary stabilizing assembly of the needle sheet sifting mechanism of the present invention;
FIG. 5 is a top plan view of the reciprocating drive mechanism of the present invention;
figure 6 is a plan view of a needle blade screen assembly of the present invention.
In the figure: the screening box comprises a screening box body 1, a power transmission mechanism 2, an aggregate temporary storage component 3, a cone crushing mechanism 4, an arc-shaped extrusion surface 5, a cylinder 6, a needle-shaped screening mechanism 7, a reciprocating driving mechanism 8, a needle-shaped screening component 9, an aggregate screening component 10, a first bucket elevator 11, a second bucket elevator 12, a driving belt pulley 13, a gear box 21, a transmission shaft 22, a mounting rod 23, a bevel gear set 24, a driving rod 25, a material guide inclined plate 31, an opening plate 32, a crushing bucket 41, a baffle plate 42, a connecting strip 43, an upper movable plate 71, a lower movable plate 72, an aggregate upper plate 73, an aggregate lower plate 74, a needle-shaped upper plate 75, a needle-shaped lower plate 76, a left supporting frame 77, a right supporting frame 78, a needle-shaped outer screening cylinder 79, a needle-shaped inner screening cylinder 710, a connecting shaft 711, a rotating disc 712, a temporary stabilizing component 713, a ratchet 7131, a base 7132, a pawl 7133, an adjusting shaft 714, a power wheel 81, a power shaft 82, arc-shaped teeth 83, a movable shaft 84, a screening dish 91, a screening plate 92, a screening mesh belt 93 and a vibrating rod 93.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example one
Referring to fig. 1-4, an asphalt mixture aggregate crushing multistage screening device comprises a screening box body 1, a power transmission mechanism 2 is installed on the inner wall of the middle part of the screening box body 1, an aggregate temporary storage component 3 is arranged above the power transmission mechanism 2, a conical crushing mechanism 4 is arranged on the upper side of the aggregate temporary storage component 3, an arc-shaped extrusion surface 5 fixed on the inner wall of the screening box body 1 is arranged on the outer side of the conical crushing mechanism 4, a cylinder 6 is connected on the lower part of the arc-shaped extrusion surface 5, a needle-shaped screening mechanism 7 is arranged below the power transmission mechanism 2, the needle-shaped screening mechanism 7 comprises an upper movable plate 71 and a lower movable plate 72 which are hinged through hinges, an aggregate upper outlet plate 73 and an aggregate lower outlet plate 74 and a needle-shaped upper outlet plate 75 and a needle-shaped lower outlet plate 76 are respectively hinged on two sides of the upper movable plate 71 and the lower movable plate 72, a left support frame 77 and a right support frame 78 are arranged on two sides of the needle-shaped screening mechanism 7, the upper movable plate 71 and the lower movable plate 72 are provided with a needle-shaped outer screening cylinder 79 and a needle-shaped inner screening cylinder 710 close to one end, the needle-shaped inner screening cylinder 710 is sleeved on the inner side of the needle-shaped outer screening cylinder 79, the needle-shaped inner screening cylinder 710 is fixed on the inner walls of the needle-shaped upper screening plate 75 and the needle-shaped lower screening plate 76, an adjusting shaft 714 is fixed on one side of the needle-shaped outer screening cylinder 79, a connecting shaft 711 is fixed on one side of each of a left supporting frame 77 and a right supporting frame 78, the connecting shaft 711 is rotatably connected to the side wall of the screening box body 1, the adjusting shaft 714 penetrates out of the connecting shaft 711 and is fixed with a rotating disc 712, scale marks are arranged outside the rotating disc 712, a temporary stabilizing assembly 713 is further installed on the outer side of the adjusting shaft 714, the temporary stabilizing assembly 713 comprises a ratchet 7131, a base 7132 is arranged on the outer side of the ratchet 7131, a plurality of non-uniform pawls 7133 are installed on the inner side of the base 7132, and the pawls 7133 are clamped with the ratchet 7131; a reciprocating driving mechanism 8 is arranged below the needle-shaped screening mechanism 7, and a needle-shaped screening component 9 and an aggregate screening component 10 are respectively arranged on two sides of the reciprocating driving mechanism 8.
When using, at first put into screening case body 1 with the building stones in, carry out the breakage by cone crushing mechanism 4 to the aggregate this moment, aggregate after the breakage keeps in to aggregate subassembly 3 that keeps in, treat that aggregate breakage a certain amount after, aggregate keeps in the output of subassembly 3 and goes up the fly leaf 71 and open, the aggregate falls into completion screening in needle slice screening mechanism 7 this moment, the aggregate after the screening falls into needle slice screening subassembly 9 and aggregate screening subassembly 10 and sieves once more to realize the aggregate and smash screening integration operation.
Example two
As shown in fig. 2, this embodiment is substantially the same as embodiment 1, and preferably, the power transmission mechanism 2 includes a gear box 21, the gear box 21 is fixed on the inner wall of the screening box body 1, both side walls of the gear box 21 are rotatably connected with transmission shafts 22, one end of each transmission shaft 22 extends to the outer side of the screening box body 1 and is rotatably connected with a driving belt, the middle part of the inner bottom surface of the gear box 21 is rotatably connected with a mounting rod 23, a bevel gear set 24 is rotatably connected between the mounting rod 23 and the two transmission shafts 22, and the top surface of a bevel gear on the transmission shaft 22 is further eccentrically connected with a driving rod 25.
The cone crushing mechanism 4 comprises a crushing bucket 41, the crushing bucket 41 is fixed on the outer wall of the driving rod 25, a baffle 42 is fixed on the outer wall of the crushing bucket 41, a connecting strip 43 fixed on the inner wall of the screening box body 1 is further arranged on the upper side of the crushing bucket 41, the top end of the driving rod 25 is rotatably connected to the bottom surface of the connecting strip 43, and an arc-shaped extrusion surface 5 is arranged above the baffle 42
In this embodiment, drive baffle 42 through power transmission mechanism 2 and do the circular cone pendulum motion, broken building stones under the effect of baffle 42 and arc extruded surface 5, its stable in structure, the building stones receive the impact direction various to the kibbling efficiency of building stones has been improved greatly.
EXAMPLE III
As shown in fig. 2, this embodiment is substantially the same as embodiment 1, and preferably, the aggregate temporary storage assembly 3 includes a material guiding inclined plate 31 and an open close plate 32, the material guiding inclined plate 31 is fixed on the screening box body 1, a space is left below the material guiding inclined plate 31 for the open close plate 32 to move, the open close plate 32 is formed by splicing a plurality of movable fan-shaped plates, and the open close plate 32 is driven by a telescopic rod.
In this embodiment, the aggregate is temporarily stored after being crushed through the material guide sloping plate 31 and the opening plate 32, so that batch unified screening of the aggregate is realized, and energy consumption output of the equipment is reduced to a certain extent.
Example four
As shown in fig. 2 and 5, this embodiment is substantially the same as embodiment 1, and preferably, the reciprocating driving mechanism 8 includes a power wheel 81, the power wheel 81 is driven by a motor, a power shaft 82 is rotatably connected to the edge of the power wheel 81, an arc-shaped tooth 83 is fixed on the outer wall of the power shaft 82, a movable shaft 84 with gear teeth is engaged and connected to both sides of the arc-shaped tooth 83, and the section of the movable shaft 84 is rectangular.
In this embodiment, the power wheel 81 rotates to drive the power shaft 82 to rotate, so as to drive the arc-shaped teeth 73 to move within a certain range, and the arc-shaped teeth 73 move to drive the movable shaft 84 to do linear reciprocating motion, thereby providing power for the needle sheet-shaped screening assembly 9 and the material screening assembly 10.
EXAMPLE five
As shown in fig. 2 and 6, this embodiment is substantially the same as embodiment 1, preferably, the needle-shaped screening assembly 9 includes a screening pan 91, the inner wall of the screening pan 91 is connected with a needle-shaped screening net 92 and a fine aggregate screening net 93 in an inclined sliding manner, vibration rods 94 are fixed on both sides of the bottom surfaces of the needle-shaped screening net 92 and the fine aggregate screening net 93, two pairs of conical protrusions are arranged on both sides of the movable shaft 84, conical surfaces matched with the conical protrusions are arranged at the bottom ends of the vibration rods 94, a stabilizing rod 95 is connected between the needle-shaped screening net 92 and the fine aggregate screening net 93 in a rotating manner, the lower side of the stabilizing rod 95 is connected to the top surface of the movable shaft 84 in a rotating manner, discharge conveyor belts 96 are installed on both sides of the needle-shaped screening net 92 and the fine aggregate screening net 93, which are arranged in multiple layers and are arranged in a pulling manner, the pulling manner is replaced by pulling out, and gradually reduced from top to bottom, a first elevator 11 is arranged on the left side of the needle-shaped screening assembly 9, stones crushed by other temporary storage machines are transported into the needle-shaped screening assembly 3, and a second elevator 12 is arranged on one side of the super-bucket type screening assembly, and a super-bucket elevator which is arranged to screen aggregates with a super-bucket elevator mechanism which is arranged to screen aggregates.
In this embodiment, the vibrating rod 94 moves up and down under the action of the conical protrusions to vibrate the needle sheet-shaped screening net 92 and the fine aggregate screening net 93 up and down, so as to realize screening of needle sheet-shaped and fine aggregates, the screened needle sheet-shaped particles are transported to a treatment place through the discharging conveyer belt 96, and the fine aggregate discharging conveyer belts 96 of each grade are transported to the aggregate storage bins of the corresponding grade.
EXAMPLE six
As shown in fig. 3 and 4, this embodiment is substantially the same as embodiment 1, and preferably, the temporary stabilizing assembly 713 includes a ratchet 7131, a base 7132 is disposed outside the ratchet 7131, a plurality of pawls 7133 are uniformly mounted inside the base 7132, and the pawls 7133 are engaged with the ratchet 7131.
In the embodiment, the adjusting shaft 710, the aggregate upper discharging plate 73 and the aggregate lower discharging plate 74 are clamped and fixed through the ratchet 7131 and the pawl 7133, so that the adjusting shaft 710 can be automatically limited and fixed after rotating, meanwhile, the pawl 7133 which is non-uniformly arranged can sieve needle-shaped particles with different specifications, and the application range of the device is greatly enlarged.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (8)
1. The utility model provides an asphalt mixture aggregate breakage multistage screening equipment, includes screening case body (1), its characterized in that: a power transmission mechanism (2) is installed on the inner wall of the middle of the screening box body (1), an aggregate temporary storage assembly (3) is arranged above the power transmission mechanism (2), a conical crushing mechanism (4) is arranged on the upper side of the aggregate temporary storage assembly (3), an arc-shaped extrusion surface (5) fixed on the inner wall of the screening box body (1) is arranged on the outer side of the conical crushing mechanism (4), an air cylinder (6) is connected to the lower portion of the arc-shaped extrusion surface (5), and a needle sheet type screening-out mechanism (7) is arranged below the power transmission mechanism (2);
the needle sheet-shaped screening mechanism (7) comprises an upper movable plate (71) and a lower movable plate (72) which are hinged through hinges, an aggregate upper outlet plate (73) and an aggregate lower outlet plate (74) are hinged to two sides of the upper movable plate (71) and the lower movable plate (72) respectively, a needle sheet-shaped upper outlet plate (75) and a needle sheet-shaped lower outlet plate (76) are hinged to two sides of the needle sheet-shaped screening mechanism (7), a left support frame (77) and a right support frame (78) are arranged on two sides of the needle sheet-shaped screening mechanism (7), the upper movable plate (71) and the lower movable plate (72) are close to one end and provided with a needle sheet-shaped outer screening barrel (79) and a needle sheet-shaped inner screening barrel (710), the needle sheet-shaped inner screening barrel (710) is sleeved on the inner side of the needle sheet-shaped outer screening barrel (79), the needle sheet-shaped inner screening barrel (710) is fixed on the inner walls of the needle sheet-shaped upper outlet plate (75) and the needle sheet-shaped lower outlet plate (76), an adjusting shaft (714) is fixed on one side of the needle sheet-shaped outer screening barrel (79), a left support frame (77) and a right support frame (78) is fixed on one side of a rotating shaft (711), a rotating shaft (711) is fixed on a rotating shaft (711) and a rotating box (711) is arranged on the outer side of the rotating box (711) and provided with a rotating shaft (711) fixed, and a rotating box (711) fixed on the side of the rotating box (711), the temporary stabilizing assembly (713) comprises a ratchet wheel (7131), a base (7132) is arranged on the outer side of the ratchet wheel (7131), a plurality of pawls (7133) are non-uniformly installed on the inner side of the base (7132), and the pawls (7133) are clamped with the ratchet wheel (7131);
the needle-shaped screening mechanism (7) is provided with a reciprocating driving mechanism (8) below, and the two sides of the reciprocating driving mechanism (8) are respectively provided with a needle-shaped screening component (9) and an aggregate screening component (10).
2. The asphalt mixture aggregate crushing multistage screening device according to claim 1, characterized in that: power transmission device (2) include gear box (21), and gear box (21) are fixed on screening case body (1) inner wall, gear box (21) both sides wall all rotates and is connected with transmission shaft (22), and transmission shaft (22) one end all extends to screening case body (1) outside and is connected with driving pulley (13), and bottom surface middle part rotates in gear box (21) and is connected with installation pole (23), installation pole (23) and two rotate between transmission shaft (22) and be connected with bevel gear group (24), on transmission shaft (22) the bevel gear top surface still eccentric connection has actuating lever (25).
3. The asphalt mixture aggregate crushing multistage screening device according to claim 1, characterized in that: broken mechanism of circular cone (4) is including broken fill (41), and broken fill (41) are fixed on actuating lever (25) outer wall, and broken fill (41) outer wall is fixed with baffle (42), and broken fill (41) upside still is equipped with and fixes connecting strip (43) on screening case body (1) inner wall, and actuating lever (25) top is rotated and is connected on connecting strip (43) bottom surface, arc extrusion face (5) set up the top position at baffle (42).
4. The asphalt mixture aggregate crushing multistage screening device according to claim 1, characterized in that: aggregate subassembly (3) of keeping in includes guide swash plate (31) and open-close board (32), and guide swash plate (31) are fixed on screening case body (1), guide swash plate (31) lower part is left the space and is supplied open-close board (32) activity, open-close board (32) are formed by the concatenation of the mobile sector plate of polylith, and open-close board (32) are through the telescopic link drive.
5. The asphalt mixture aggregate crushing multistage screening device according to claim 1, characterized in that: reciprocating drive mechanism (8) are including power wheel (81), power wheel (81) edge rotation is connected with power axle (82), power axle (82) outer wall and is fixed with arc tooth (83), and arc tooth (83) both sides all mesh and are connected with loose axle (84) that have the teeth of a cogwheel, loose axle (84) cross-section is the rectangle, and loose axle (84) both sides are equipped with two pairs of toper archs of outer wall.
6. The asphalt mixture aggregate crushing multistage screening device according to claim 1, characterized in that: needle slice screening subassembly (9) are including screening ware (91), and screening ware (91) inner wall slope sliding connection has needle slice screening net (92) and fine aggregate screening net (93), and needle slice screening net (92) and fine aggregate screening net (93) bottom surface both sides all are fixed with vibrations pole (94), and vibrations pole (94) bottom is equipped with the conical surface identical with the toper arch, rotate between needle slice screening net (92) and fine aggregate screening net (93) and be connected with firm pole (95), firm pole (95) downside rotates and connects on loose axle (84) top surface, ejection of compact conveyer belt (96) are all installed to needle slice screening net (92) and fine aggregate screening net (93) deviating from screening ware (91) center one side.
7. The asphalt mixture aggregate crushing multistage screening device according to claim 6, characterized in that: thin aggregate screening net (93) set up to the multilayer and set up to the pull formula, change through taking out, and from top to bottom the sieve mesh reduces gradually, needle slice screening subassembly (9) left side is equipped with bucket elevator (11), bucket elevator (11) can carry out needle slice screening to aggregate temporary storage subassembly (3) with the building stones after other crushing machinery are broken.
8. The asphalt mixture aggregate crushing multistage screening device according to claim 1, characterized in that: the structure that aggregate screening subassembly (10) included is unanimous with the structure of needle slice form screening subassembly (9), and aggregate screening subassembly (10) one side is provided with bucket elevator two (12), bucket elevator two (12) can be carried the aggregate of screening out the super particle diameter to crushing mechanism in the breakage again.
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