CN114950626B - Concrete recycled aggregate screening equipment - Google Patents

Abstract

The application discloses concrete recycled aggregate screening equipment in the technical field of concrete processing, which comprises a base and a fixed box, wherein an inner cylinder body and a screening box are arranged on the outer side of the fixed box, a first crushing assembly and a second crushing assembly are arranged on the inner side of the fixed box, a first screen, a second screen and a sealing assembly are arranged in the screening box, the inner cylinder body is connected with a rotating mechanism, an elastic assembly and a vibrating assembly, aggregates are screened through the first screen and the second screen, and the aggregates are recovered and crushed through the first crushing assembly and the second crushing assembly; retrieve the aggregate of first screen cloth department through first fall groove, make the screening case rotate through rotary mechanism isotructure, retrieve the aggregate of second screen cloth department, need not to take out the aggregate of first screen cloth and second screen cloth department after rethread outside conveyor and crushing apparatus handle, improve the speed that the aggregate was retrieved and was smashed, and then improve whole machining efficiency etc. of concrete regeneration aggregate.

Description

Concrete recycled aggregate screening equipment

Technical Field

The application relates to the technical field of concrete processing, in particular to concrete recycled aggregate screening equipment.

Background

Concrete refers to engineering composite materials which are formed by cementing aggregates into a whole by cementing materials, and concrete generally refers to cement concrete which is prepared by mixing cement serving as cementing materials, sand and stone serving as aggregates and water according to a certain proportion and stirring, and is also called ordinary concrete, and the concrete is widely applied to civil engineering, wherein the aggregate prepared from waste concrete is called recycled concrete aggregate.

Along with the development of urban process in China, the discharge amount of construction waste is increased year by year, and the proportion of renewable components is also increased continuously. Most of the construction waste is directly discarded without any treatment, so that not only is the land and resources wasted, but also the environment is polluted, and along with the increasing population, the demand of the construction industry for the sand and stone aggregate is continuously increased. Therefore, the production and the utilization of the building rubbish recycled aggregate have important significance for saving resources, protecting the environment and realizing the sustainable development of the building industry.

In the recycling process of the recycled concrete aggregate, the recycled concrete aggregate is required to be crushed, and then the crushed aggregate is screened out so as to screen out and collect the aggregate with qualified particle size for subsequent treatment, and the aggregate which does not pass through the screening is crushed again as required to reach a certain particle size. The existing screening equipment only has a single crushing function, after crushing, the aggregates on the screen are required to be taken out, and the aggregates are conveyed to the corresponding crushing equipment through manual or external conveying devices to be crushed again, so that multiple operations between screening and crushing again are troublesome, more time is consumed, and the overall processing efficiency of the aggregates is affected.

Based on the above, the application designs a concrete recycled aggregate screening device to solve the above problems.

Disclosure of Invention

The application aims to provide a concrete recycled aggregate screening device for solving the problems in the background technology.

In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a concrete recycled aggregate screening installation, including the base and two vertical backup pads of symmetry fixing in the base top surface, be equipped with the collecting vat in the middle of the base top surface, transversely be provided with cylindric fixed box between the upper portion of two backup pads, the both ends center department symmetry of fixed box is fixed with the fixed axle, and the outside end of fixed axle and the backup pad fixed connection of corresponding side, the interior barrel has been cup jointed in the outside of fixed box, the fixed axle passes the both ends of interior barrel, and be equipped with elastic component between the inboard end of interior barrel and the outside end of fixed box, all be fixed with fixed ring plate on the medial surface of two backup pads, and be connected with slewing mechanism through fixed ring plate, slewing mechanism and the both ends of interior barrel correspond to be connected, and correspond one of them one of interior barrel to be equipped with vibration subassembly;

the middle part outside coaxial line of interior barrel is fixed with cylindrical screening case, screening case's top is fixed with the feeder hopper, and the symmetry is equipped with two first screens that incline upwards between screening case and the lateral wall upper portion of interior barrel, the lower part symmetry is equipped with two second screens that incline downwards, first screen and second screen all set up along screening case's radial direction, the top of interior barrel corresponds the inboard position of the bottom of two first screens and is equipped with first blanking groove, the inboard end upper portion position of corresponding second screen is equipped with the second blanking groove, and the top of interior barrel corresponds the position of two first blanking grooves and is equipped with the seal subassembly, the bottom of interior barrel and the bottom of screening case all are equipped with the notch;

be equipped with crushing chamber in the fixed box, one side of smashing the chamber is equipped with the driving chamber, and crushing chamber's top is equipped with the collecting hopper, and bilateral symmetry is equipped with the feed inlet, and the inboard of two feed inlets is fixed with two stock guide of symmetry slope respectively, and the below of collecting hopper is equipped with first crushing subassembly, and the inboard end below of two stock guide is equipped with the second and smashes the subassembly, and the bottom of fixed box is equipped with the discharge gate, and discharge gate department is equipped with keeps off the material subassembly.

Preferably, the rotating mechanism comprises a rotating cylinder rotationally connected to the inner side of the fixed ring plate, the center of the rotating cylinder coincides with the center of the fixed shaft, the fixed shaft penetrates through the center of the inner side end of the rotating cylinder, a plurality of teeth are uniformly fixed on the bottom of the outer side wall of the rotating cylinder along the arc direction, and a rotating assembly is connected through the teeth;

the outside end of a rotating cylinder is set to be an opening shape, two ends of an inner cylinder body are in sliding connection with the rotating cylinder at the corresponding side, a plurality of limit sliding blocks are uniformly fixed on the outer side face of the inner cylinder body along the circumferential direction, a plurality of limit sliding grooves are correspondingly arranged on the side wall of the rotating cylinder, the limit sliding blocks are in sliding connection with the limit sliding grooves, a vibrating assembly is arranged in one rotating cylinder, and the vibrating assembly is in contact with the corresponding outside end of the inner cylinder body.

Preferably, the rotating assembly comprises a horizontal fixed groove positioned below the rotating cylinder, the fixed groove is fixedly connected with the supporting plate, a moving block is slidably connected in the fixed groove, a screw rod is sleeved in the moving block, the screw rod is rotationally connected with the fixed groove, one end of the screw rod extends out of the fixed groove and is connected with a motor, the top end of the moving block extends out of the fixed groove and is fixedly provided with a horizontal toothed plate, the bottom surface of the toothed plate is slidably connected with the top end of the fixed groove, and the top surface is uniformly provided with a plurality of teeth along the length direction of the toothed plate and is meshed with the teeth at the bottom of the rotating cylinder through the teeth.

Preferably, the vibration assembly comprises a bevel gear which is positioned at the inner side of a rotating cylinder and is rotationally connected with a fixed shaft, a plurality of transmission bevel gears are evenly meshed on the bevel gear along the circumferential direction, driving bevel gears are meshed on the bevel gear, the positions of the driving bevel gears are staggered with the transmission bevel gears, supporting rods are fixed at the positions of the corresponding driving bevel gears and each transmission bevel gear on the inner side end of the rotating cylinder, the driving bevel gears and the driving bevel gears are rotationally connected with the corresponding supporting rods, the driving bevel gears are connected with motors, cams are coaxially fixed on the outer side of the driving bevel gears, and the cams are in contact with one end of the inner cylinder.

Preferably, the elastic component includes the spring board that is located between inner tube body tip and the fixed box tip, and the spring board rotates with the fixed axle to be connected, and evenly is connected with a plurality of springs along circumferencial direction between spring board and the inner tube body tip, evenly is fixed with a plurality of spring poles on the spring board, and the tip of inner tube body corresponds to be fixed with the spring section of thick bamboo, and spring pole sliding connection is in the spring section of thick bamboo.

Preferably, the seal assembly comprises a movable cavity fixed at the top of the inner cylinder, a movable plate is slidably connected in the movable cavity, a plurality of springs are uniformly connected between the movable plate and the top surface of the movable cavity, connecting grooves are symmetrically arranged at two ends of the movable plate, rotating discs are symmetrically arranged at two sides of the movable cavity, the rotating discs are connected with motors, one sides of the rotating discs are eccentrically fixed with connecting shafts, the connecting shafts are slidably connected in the connecting grooves at the corresponding sides, a plurality of vertical movable rods are uniformly fixed at the top of the movable plate along the length direction of the movable plate, the movable cavity is extended from the top of the movable rods, a movable frame is fixed, two sides of the middle of the movable frame are symmetrically inclined, two sides of the outer part are symmetrically and vertically arranged, and arc-shaped seal plates are respectively fixed at two outer sides of the bottom of the movable frame and are positioned at the first blanking groove.

Preferably, the first crushing assembly comprises two first crushing wheels which are symmetrically and parallelly arranged below the collecting hopper, the first crushing wheels are rotationally connected with one side of the crushing cavity, one end of a wheel shaft of each first crushing wheel extends into the driving cavity and is fixedly provided with a first crushing gear, the two first crushing gears are meshed with each other, and one of the first crushing gears is connected with a motor;

the second crushing assembly comprises two second crushing wheels which are symmetrically and parallelly arranged below the inner side ends of the two guide plates, the second crushing wheels are rotationally connected with one side of the crushing cavity, one end of a wheel shaft of each second crushing wheel extends into the driving cavity and is fixedly provided with a second crushing gear, the two second crushing gears are meshed with each other, and one of the second crushing gears is connected with a motor.

Preferably, keep off the material subassembly including the symmetry set up in smashing the arc flitch of chamber inner chamber bottom, the outside section top surface of two arc flitch is equipped with the arc wall along the pitch arc direction, evenly is fixed with a plurality of tooth along the pitch arc direction in the arc wall to there is the unloading gear through tooth meshing, the unloading gear rotates with the lateral wall of smashing the chamber to be connected with the motor.

Preferably, the bottoms of the two guide plates are both fixed with vertical baffles, the second crushing assembly is positioned between the two baffles, two sides of the baffles are fixedly connected with two side walls of the crushing cavity, and the top surface of the arc-shaped material plate is in sliding connection with the bottom end of the baffles.

Preferably, the balls are uniformly distributed on the outer side surface of the limiting slide block, and contact with the side wall of the limiting slide groove through the balls, so that friction of the limiting slide block during sliding relative to the limiting slide groove is reduced, and movement flexibility of the inner cylinder body and the screening box is improved.

Compared with the prior art, the application has the beneficial effects that: according to the application, the first screen and the second screen are arranged to screen the aggregates twice, so that the screening effect is improved, and the first crushing assembly and the second crushing assembly are arranged to treat aggregates with different sizes respectively, so that the crushing effect is improved, the aggregates are recycled, the aggregates at the first screen are crushed twice, and the aggregates at the second screen are crushed more quickly and conveniently without passing through the first crushing assembly; the first blanking groove is opened through the sealing assembly, aggregates at the first screen mesh are recovered, the screening box is rotated through the rotating mechanism and other structures, aggregates at the second screen mesh can rapidly enter the fixed box, the aggregates at the first screen mesh and the second screen mesh are not required to be taken out and then conveyed to the crushing equipment through the external conveying device, the speed of aggregate recovery and crushing treatment is improved, and the overall processing efficiency of concrete recycled aggregates is further improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, 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 application, 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 application;

FIG. 2 is a schematic view of the location of the screening box and inner drum of the present application;

FIG. 3 is a schematic view of a rotary drum according to the present application;

FIG. 4 is a schematic view of the structure of the toothed plate of the present application;

FIG. 5 is a schematic view of the structure of the limit slider of the present application;

FIG. 6 is a schematic view showing the internal structure of the screening box of the present application;

FIG. 7 is a schematic view of a moving chamber according to the present application;

FIG. 8 is a schematic view showing a state in which a sealing plate of the present application is moved up;

FIG. 9 is a schematic view of the structure of the pulverizing chamber of the present application;

fig. 10 is a schematic structural view of a driving chamber according to the present application.

In the drawings, the list of components represented by the various numbers is as follows:

1-a base, 101-a supporting plate, 102-a collecting tank, 103-a fixed ring plate, 104-a fixed tank, 105-a toothed plate, 106-a moving block and 107-a screw;

2-rotating cylinder, 201-limit chute, 202-support rod, 203-cam, 204-drive bevel gear, 205-cone gear ring and 206-drive bevel gear;

3-screening box, 301-feeding hopper, 302-inner cylinder, 303-limit slide block, 304-first screen, 305-second screen, 306-spring cylinder, 307-moving cavity, 308-balls;

4-fixed box, 401-fixed shaft, 402-crushing cavity, 403-driving cavity, 404-collecting hopper, 405-feed inlet, 406-discharge outlet, 407-arc-shaped material plate, 408-blanking gear, 409-baffle;

5-moving frames, 501-sealing plates, 502-moving rods, 503-moving plates, 504-rotating discs, 505-connecting grooves and 506-connecting shafts;

6-a first crushing wheel, 601-a second crushing wheel, 602-a first crushing gear, 603-a second crushing gear;

7-spring plate, 701-spring rod.

Detailed Description

The technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, 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 application are included in the protection scope of the present application.

Example 1

Referring to the drawings, the application provides a technical scheme that: the concrete recycled aggregate screening equipment comprises a base 1 and two vertical supporting plates 101 symmetrically fixed on the top surface of the base 1, wherein a collecting groove 102 is formed in the middle of the top surface of the base 1, a cylindrical fixing box 4 is transversely arranged between the upper parts of the two supporting plates 101, a fixing shaft 401 is symmetrically fixed at the center of two ends of the fixing box 4, the outer side ends of the fixing shaft 401 are fixedly connected with the supporting plates 101 on the corresponding sides, an inner cylinder 302 is sleeved on the outer side of the fixing box 4, the fixing shaft 401 penetrates through the two ends of the inner cylinder 302, an elastic component is arranged between the inner side ends of the inner cylinder 302 and the outer side ends of the fixing box 4, fixing ring plates 103 are respectively fixed on the inner side surfaces of the two supporting plates 101, a rotating mechanism is connected with two ends of the inner cylinder 302 correspondingly, and a vibrating component is arranged at one end of the corresponding inner cylinder 302;

the middle part outside coaxial line of interior barrel 302 is fixed with cylindrical screening case 3, screening case 3's top is fixed with feeder hopper 301, and the symmetry is equipped with two first screen cloth 304 that incline upwards between screening case 3 and the lateral wall upper portion of interior barrel 302, the lower part symmetry is equipped with two second screen cloth 305 that incline downwards, first screen cloth 304 and second screen cloth 305 all set up along screening case 3's radius direction, the top of interior barrel 302 corresponds the inboard position of the bottom of two first screen cloth 304 and is equipped with first blanking groove, the inboard end upper position of corresponding second screen cloth 305 is equipped with the second blanking groove, and the top of interior barrel 302 corresponds the position of two first blanking grooves and is equipped with the seal subassembly, the bottom of interior barrel 302 and the bottom of screening case 3 all are equipped with the notch;

be equipped with crushing chamber 402 in the fixed box 4, one side of smashing chamber 402 is equipped with driving chamber 403, and crushing chamber 402's top is equipped with collecting hopper 404, and bilateral symmetry is equipped with feed inlet 405, and the inboard of two feed inlets 405 is fixed with two stock guides of symmetry slope respectively, and the below of collecting hopper 404 is equipped with first crushing subassembly, and the inboard end below of two stock guides is equipped with the second crushing subassembly, and the bottom of fixed box 4 is equipped with discharge gate 406, and discharge gate 406 department is equipped with keeps off the material subassembly.

When the regenerated aggregate is screened, the aggregate is conveyed to the position of the feed hopper 301 through the external conveying device, the aggregate enters the screening box 3 and falls to the positions of the two first screens 304, the inner cylinder 302 and the screening box 3 drive the first screens 304 and the second screens 305 to vibrate through the vibration component, the screening of the aggregate is accelerated, the aggregate screened through the first screens 304 falls to the position of the second screens 305, and the secondary screening is carried out through the second screens 305, so that the screening effect is improved;

after screening, a first blanking groove is opened through a sealing assembly, so that larger aggregate which does not pass through screening at a first screen 304 enters a fixed box 4, falls into a first crushing assembly through a collecting hopper 404, is processed and crushed through the first crushing assembly, falls into a second crushing assembly through the action of two guide plates, is crushed again, improves the crushing effect, reduces the particle size of the aggregate, and then falls into a collecting groove 102 directly;

then the material blocking component seals a discharge hole 406 at the bottom of the fixed box 4, the rotating mechanism drives the inner cylinder 302 and the screening box 3 to rotate, so that the second screen 305 at one side rotates to the position of the feed hole 405 at the corresponding side, smaller aggregate which does not pass through screening at the second screen 305 directly falls to the second crushing component through the material guiding plate to be crushed, the first crushing component is not needed to pass through again, and after the aggregate on the second screen 305 at one side is crushed, the second screen 305 at the other side rotates to the position of the feed hole 405 at the corresponding side through the rotating mechanism, so that the aggregate at the other side is crushed;

according to the application, the first screen 304 and the second screen 305 are arranged to screen the aggregates twice, so that the screening effect is improved, the first crushing assembly and the second crushing assembly are arranged to treat aggregates with different sizes respectively, the crushing treatment effect is improved, the aggregates are recycled, the screening box 3 is rotated through a rotating mechanism and other structures, the aggregates which do not pass through the screening can rapidly enter the fixed box 4 to be crushed, the aggregates at the positions of the first screen 304 and the second screen 305 are not required to be taken out and then are conveyed to crushing equipment through an external conveying device, the speed of aggregate recovery and crushing treatment is improved, and the overall processing efficiency of the recycled aggregates of concrete is further improved.

The rotating mechanism comprises a rotating cylinder 2 which is rotationally connected to the inner side of a fixed ring plate 103, the center of the rotating cylinder 2 coincides with the center of a fixed shaft 401, the fixed shaft 401 penetrates through the center of the inner side end of the rotating cylinder 2, a plurality of teeth are uniformly fixed at the bottom of the outer side wall of the rotating cylinder 2 along the arc direction, and a rotating assembly is connected through the teeth;

the outside end of a rotary cylinder 2 is set to be an opening shape, and the two ends of an inner cylinder 302 are in sliding connection in the rotary cylinder 2 at the corresponding side, a plurality of limit sliding blocks 303 are uniformly fixed on the outside surface of the inner cylinder 302 along the circumferential direction, a plurality of limit sliding grooves 201 are correspondingly arranged on the side wall of the rotary cylinder 2, the limit sliding blocks 303 are in sliding connection in the limit sliding grooves 201, a vibration component is arranged in one rotary cylinder 2, and the vibration component is in contact with the corresponding outside end of the inner cylinder 302.

After the aggregate enters the screening box 3 through the feed hopper 301, the aggregate is screened through the first screen 304 and the second screen 305, meanwhile, the inner cylinder 302 drives the screening box 3 to vibrate reciprocally through the vibration assembly and the elastic assembly, screening of the first screen 304 and the second screen 305 is quickened, screening effect is improved, and when vibration is carried out, the limit sliding block 303 on the inner cylinder 302 slides reciprocally relative to the limit sliding groove 201, after screening is finished, the rotating cylinder 2 is rotated through the rotating assembly, the inner cylinder 302 and the screening box 3 are driven to rotate through the limit sliding groove 201 and the limit sliding block 303, so that the two second screens 305 are sequentially rotated to the feed inlet 405, aggregate is recovered and crushed, and aggregate on the second screen 305 falls down through the vibration assembly.

Wherein, the rotating assembly includes the horizontally fixed slot 104 that is located the rotary drum 2 below, fixed slot 104 and backup pad 101 fixed connection, sliding connection has movable block 106 in the fixed slot 104, the screw rod 107 has been cup jointed in the movable block 106, screw rod 107 is rotated with fixed slot 104 and is connected, and one end stretches out fixed slot 104, and be connected with the motor, fixed slot 104 is stretched out on the top of movable block 106, and be fixed with horizontally pinion 105, the bottom surface of pinion 105 and the top sliding connection of fixed slot 104, and the top surface evenly is fixed with a plurality of tooth along its length direction, and through tooth and the tooth meshing of rotary drum 2 bottom.

When the rotary drum 2 is required to rotate, the motor is started to enable the screw 107 to rotate, the moving block 106 drives the teeth to move towards one end of the fixed groove 104, the rotary drum 2 is enabled to rotate through the teeth, and then the screening box 3 and other structures are driven to rotate towards one side, one of the second blanking grooves rotates to the feed inlet 405 on the corresponding side, then the screw 107 is reversed, the moving block 106 drives the toothed plate 105 to return and move towards the other end of the fixed groove 104, and then the rotary drum 2 drives the screening box 3 and other structures to rotate towards the other side, and the other second blanking groove rotates to the feed inlet 405 on the corresponding side, so that aggregates are recovered and crushed.

The vibration assembly comprises a bevel gear ring 205 which is positioned at the inner side of a rotating cylinder 2 and is rotationally connected with a fixed shaft 401, a plurality of transmission bevel gears 204 are evenly meshed with the bevel gear ring 205 along the circumferential direction, a driving bevel gear 206 is meshed with the bevel gear ring 205, the positions of the driving bevel gears 206 are staggered with the transmission bevel gears 204, support rods 202 are respectively fixed at the positions of the inner side end of the rotating cylinder 2, corresponding to the driving bevel gears 206 and each transmission bevel gear 204, the transmission bevel gears 204 and the driving bevel gears 206 are rotationally connected with the corresponding support rods 202, the driving bevel gears 206 are connected with motors, cams 203 are coaxially fixed at the outer side of the transmission bevel gears 204, and the cams 203 are contacted with one end of the inner cylinder 302.

When the inner cylinder 302 and the screening box 3 need to vibrate, the motor is started, the bevel gear ring 205 is rotated by driving the bevel gear 206, and then the plurality of transmission bevel gears 204 drive the plurality of cams 203 to rotate, and the inner cylinder 302 and the screening box 3 vibrate by being matched with the elastic component, so that screening, blanking and the like can be performed.

The elastic assembly comprises a spring plate 7 positioned between the end part of the inner cylinder 302 and the end part of the fixed box 4, the spring plate 7 is rotationally connected with a fixed shaft 401, a plurality of springs are uniformly connected between the spring plate 7 and the end part of the inner cylinder 302 along the circumferential direction, a plurality of spring rods 701 are uniformly fixed on the spring plate 7, a spring cylinder 306 is correspondingly fixed at the end part of the inner cylinder 302, the spring rods 701 are slidably connected in the spring cylinder 306, the spring plate 7 can move along with the inner cylinder 302 through the spring cylinder 306 and the spring rods 701, and structures such as the inner cylinder 302 can reciprocate through the springs when the vibration assembly works.

The sealing assembly comprises a moving cavity 307 fixed at the top of an inner cylinder 302, a moving plate 503 is slidably connected in the moving cavity 307, a plurality of springs are uniformly connected between the moving plate 503 and the top surface of the moving cavity 307, connecting grooves 505 are symmetrically arranged at two ends of the moving plate 503, rotating discs 504 are symmetrically arranged at two sides of the moving cavity 307, the rotating discs 504 are connected with motors, connecting shafts 506 are eccentrically fixed at one sides of the rotating discs, the connecting shafts 506 are slidably connected in the connecting grooves 505 at the corresponding sides, a plurality of vertical moving rods 502 are uniformly fixed at the top of the moving plate 503 along the length direction of the connecting shafts, the top ends of the moving rods 502 extend out of the moving cavity 307 and are fixedly provided with moving frames 5, the two sides of the middle of each moving frame 5 are symmetrically inclined, the two sides of the outer sides are symmetrically and vertically arranged, arc sealing plates 501 are respectively fixed at the two outer sides of the bottom of each moving frame 5, and the sealing plates 501 are positioned at a first chute.

After the screening is finished, aggregates which do not pass through the screening are arranged at the bottom of the first screen 304 and the sealing plate 501, the motor is started, the rotating disc 504 is rotated, the movable plate 503 is moved upwards through the connecting shaft 506 and the connecting groove 505, the movable frame 5 and the sealing plate 501 are further moved upwards through the movable rod 502, the aggregates fall along the inclined first screen 304 and the top surface of the arc-shaped sealing plate 501, and enter the fixed box 4 through the first blanking groove, so that recovery crushing treatment and the like can be performed through the first crushing assembly and the second crushing assembly.

The first crushing assembly comprises two first crushing wheels 6 symmetrically and parallelly arranged below the collecting hopper 404, the first crushing wheels 6 are rotationally connected with one side of the crushing cavity 402, one end of a wheel shaft of each first crushing wheel 6 extends into the driving cavity 403 and is fixedly provided with a first crushing gear 602, the two first crushing gears 602 are meshed with each other, and one of the first crushing gears 602 is connected with a motor;

the second crushing assembly comprises two second crushing wheels 601 which are symmetrically and parallelly arranged below the inner side ends of the two guide plates, the second crushing wheels 601 are rotationally connected with one side of the crushing cavity 402, one end of a wheel shaft of each second crushing wheel 601 extends into the driving cavity 403 and is fixedly provided with a second crushing gear 603, the two second crushing gears 603 are meshed with each other, and one second crushing gear 603 is connected with a motor.

When the aggregate at the first screen 304 falls to the first crushing assembly through the collecting hopper 404, the motor drives the two first crushing gears 602 to rotate through the two first crushing gears 602, so that the aggregate is crushed for the first time, the crushed aggregate falls to the second crushing assembly through the material guide plate, and the crushed aggregate is crushed for the second time through the two first crushing wheels 6, so that the crushing effect is improved, and the particle size of the aggregate is reduced; aggregate at the second screen 305 enters the fixed bin 4 through the feed opening 405 and falls along the guide plate directly to the second crushing wheel 601 for crushing without passing through the first crushing wheel 6.

Wherein, keep off material subassembly including the symmetry set up in smashing the arc flitch 407 of chamber 402 inner chamber bottom, the outside section top surface of two arc flitch 407 is equipped with the arc wall along the pitch arc direction, evenly is fixed with a plurality of tooth along the pitch arc direction in the arc wall to there is unloading gear 408 through tooth meshing, unloading gear 408 rotates with smashing the lateral wall in chamber 402 and is connected with the motor.

When the aggregate at the first screen 304 enters the crushing cavity 402, the arc-shaped material plate 407 slides along the bottom of the crushing cavity 402 through the transmission of the blanking gear 408, the discharge hole 406 at the bottom of the fixed box 4 is opened, and after the aggregate is crushed for the second time, the aggregate directly falls down through the discharge hole 406 at the bottom of the fixed box 4 and the inner cylinder 302 and the notch at the bottom of the screening box 3 and enters the collecting tank 102; before the screening box 3 rotates, the discharge hole 406 at the bottom of the fixed box 4 is closed through the arc-shaped material plate 407, then the screening box 3 drives one of the second screens 305 to rotate to the feed inlet 405, the other second screen 305 is positioned at the bottom of the screening box 3, aggregate at the second screen 305 positioned at the upper part enters the fixed box 4 through the feed inlet 405 and the material guide plate, crushing treatment is performed through the second crushing component, the discharge hole 406 is closed through the arc-shaped material plate 407, the crushed aggregate can be prevented from entering between the second screen 305 and the first screen 304 through the second blanking groove at the lower part, and a subsequent screening program is added.

Example two

The structure of this embodiment is basically the same as that of the first embodiment, and the difference is that the bottoms of the two guide plates are both fixed with vertical baffles 409, the second crushing assembly is located between the two baffles 409, two sides of the baffles 409 are fixedly connected with two side walls of the crushing cavity 402, and the top surface of the arc-shaped material plate 407 is slidably connected with the bottom end of the baffles 409, when the second crushing assembly crushes aggregate, the crushed aggregate is placed through the baffles 409 and falls into the arc-shaped grooves on the arc-shaped material plate 407, and the meshing of teeth and the discharging gear 408 is affected.

Example III

The structure of this embodiment is basically the same as that of the first embodiment, and is different in that balls 308 are uniformly distributed on the outer side surface of the limit slider 303, and contact with the side wall of the limit chute 201 through the balls 308, so that when the inner cylinder 302 drives the screening box 3 to reciprocate under the cooperation of the vibration component and the elastic component, friction when the limit slider 303 slides relative to the limit chute 201 is reduced through the balls 308, and movement flexibility of the inner cylinder 302 and the screening box 3 is improved.

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 application. 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 application disclosed above are merely helpful in illustrating the application. The preferred embodiments are not intended to be exhaustive or to limit the application 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 application and the practical application, to thereby enable others skilled in the art to best understand and utilize the application. The application is limited only by the claims and the full scope and equivalents thereof.

Claims (10)

1. The utility model provides a concrete recycled aggregate screening installation, includes base (1) and symmetry are fixed in two vertical backup pad (101) of base (1) top surface, is equipped with collecting vat (102), its characterized in that in the middle of base (1) top surface: a cylindrical fixing box (4) is transversely arranged between the upper parts of the two supporting plates (101), fixing shafts (401) are symmetrically fixed at the centers of two ends of the fixing box (4), the outer ends of the fixing shafts (401) are fixedly connected with the supporting plates (101) at the corresponding sides, an inner cylinder body (302) is sleeved on the outer sides of the fixing boxes (4), the fixing shafts (401) penetrate through the two ends of the inner cylinder body (302), elastic components are arranged between the inner ends of the inner cylinder body (302) and the outer ends of the fixing boxes (4), fixing ring plates (103) are respectively fixed on the inner side surfaces of the two supporting plates (101), a rotating mechanism is connected with the two ends of the inner cylinder body (302) through the fixing ring plates (103), and vibration components are arranged at one ends of the corresponding inner cylinder body (302);

the novel screening device is characterized in that a cylindrical screening box (3) is coaxially fixed on the outer side of the middle part of the inner barrel body (302), a feed hopper (301) is fixed on the top of the screening box (3), two first screens (304) inclining upwards are symmetrically arranged between the screening box (3) and the upper part of the side wall of the inner barrel body (302), two second screens (305) inclining downwards are symmetrically arranged on the lower part of the screening box, the first screens (304) and the second screens (305) are both arranged along the radial direction of the screening box (3), a first blanking groove is arranged at the top of the inner barrel body (302) corresponding to the inner side of the bottom of the two first screens (304), a second blanking groove is arranged at the upper part of the inner side end of the inner barrel body corresponding to the two first blanking grooves, a sealing assembly is arranged at the top of the inner barrel body (302), and notches are formed in the bottom of the inner barrel body (302) and the bottom of the screening box (3);

a crushing cavity (402) is formed in the fixed box (4), a driving cavity (403) is formed in one side of the crushing cavity (402), a collecting hopper (404) is arranged at the top of the crushing cavity (402), feeding holes (405) are symmetrically formed in two sides, two symmetrically inclined guide plates are respectively fixed on the inner sides of the two feeding holes (405), a first crushing assembly is arranged below the collecting hopper (404), a second crushing assembly is arranged below the inner side ends of the two guide plates, a discharge hole (406) is formed in the bottom of the fixed box (4), and a material blocking assembly is arranged at the discharge hole (406);

the concrete recycled aggregate screening equipment is characterized in that when in use:

the aggregate is conveyed to a feed hopper (301) through an external conveying device, the aggregate enters a screening box (3) and falls to two first screens (304), an inner cylinder (302) and the screening box (3) drive the first screens (304) and the second screens (305) to vibrate through a vibration assembly, aggregate screening is accelerated, and the aggregate screened through the first screens (304) falls to the second screens (305) and is screened through the second screens (305) for the second time;

after screening, a first blanking groove is opened through a sealing assembly, so that larger aggregate which does not pass through screening at a first screen (304) enters a fixed box (4), falls into a first crushing assembly through a collecting hopper (404), is processed and crushed through the first crushing assembly, and falls into a second crushing assembly through the action of two material guide plates, so that the aggregate is crushed again;

then keep off material subassembly and seal discharge gate (406) of fixed case (4) bottom, rotary mechanism drives interior barrel (302) and screening case (3) and rotates, make one side second screen cloth (305) rotate to feed inlet (405) department that corresponds the side, make the less aggregate that second screen cloth (305) department did not pass through the screening fall to second crushing assembly department through the stock guide directly and smash, need not to pass through first crushing assembly again, after the aggregate on one side second screen cloth (305) is smashed, make second screen cloth (305) of opposite side rotate to feed inlet (405) department that corresponds the side through rotary mechanism, so as to smash the aggregate of opposite side.

2. The concrete recycled aggregate screening apparatus according to claim 1, wherein: the rotating mechanism comprises a rotating cylinder (2) which is rotationally connected to the inner side of a fixed ring plate (103), the center of the rotating cylinder (2) is coincident with the center of a fixed shaft (401), the fixed shaft (401) penetrates through the center of the inner side end of the rotating cylinder (2), a plurality of teeth are uniformly fixed at the bottom of the outer side wall of the rotating cylinder (2) along the arc direction, and a rotating assembly is connected through the teeth;

the outside end of rotating cylinder (2) is established to the opening form, and in rotating cylinder (2) of inner tube body (302) both ends sliding connection in corresponding side, evenly be fixed with a plurality of spacing sliders (303) along the circumferencial direction on the lateral surface of inner tube body (302), correspond on the lateral wall of rotating cylinder (2) and be equipped with a plurality of spacing spouts (201), and spacing slider (303) sliding connection in spacing spout (201), one of them the inside of rotating cylinder (2) is equipped with vibration subassembly, and vibration subassembly and the outside end contact that inner tube body (302) corresponds.

3. The concrete recycled aggregate screening apparatus according to claim 2, wherein: the rotating assembly comprises a horizontal fixing groove (104) located below the rotating cylinder (2), the fixing groove (104) is fixedly connected with the supporting plate (101), a moving block (106) is connected to the fixing groove (104) in a sliding mode, a screw (107) is sleeved in the moving block (106), the screw (107) is rotationally connected with the fixing groove (104), one end of the screw extends out of the fixing groove (104) and is connected with a motor, the top end of the moving block (106) extends out of the fixing groove (104) and is fixedly provided with a horizontal toothed plate (105), the bottom surface of the toothed plate (105) is in sliding connection with the top end of the fixing groove (104), and a plurality of teeth are uniformly fixed on the top surface along the length direction of the top surface of the toothed plate and are meshed with teeth at the bottom of the rotating cylinder (2).

4. The concrete recycled aggregate screening apparatus according to claim 2, wherein: the vibration assembly comprises a bevel gear ring (205) which is positioned at the inner side of a rotating cylinder (2) and is rotationally connected with a fixed shaft (401), a plurality of transmission bevel gears (204) are evenly meshed on the bevel gear ring (205) along the circumferential direction, the bevel gear ring (205) is further meshed with a driving bevel gear (206), the positions of the driving bevel gears (206) are staggered with the transmission bevel gears (204), support rods (202) are respectively fixed at the positions of the corresponding driving bevel gears (206) and each transmission bevel gear (204) on the inner side end of the rotating cylinder (2), the transmission bevel gears (204) and the driving bevel gears (206) are rotationally connected with the corresponding support rods (202), the driving bevel gears (206) are connected with a motor, and cams (203) are coaxially fixed on the outer side of the transmission bevel gears (204), and the cams (203) are contacted with one end of an inner cylinder body (302).

5. The concrete recycled aggregate screening apparatus according to claim 1, wherein: the elastic component is including being located spring board (7) between interior barrel (302) tip and fixed box (4) tip, and spring board (7) are connected with fixed axle (401) rotation, and evenly are connected with a plurality of springs along the circumferencial direction between spring board (7) and interior barrel (302) tip, evenly be fixed with a plurality of spring poles (701) on spring board (7), the tip of interior barrel (302) corresponds to be fixed with spring cylinder (306), and spring pole (701) sliding connection is in spring cylinder (306).

6. The concrete recycled aggregate screening apparatus according to claim 1, wherein: the sealing assembly comprises a moving cavity (307) fixed at the top of an inner cylinder body (302), a moving plate (503) is slidably connected in the moving cavity (307), a plurality of springs are uniformly connected between the moving plate (503) and the top surface of the moving cavity (307), connecting grooves (505) are symmetrically arranged at two ends of the moving plate (503), rotating discs (504) are symmetrically arranged at two sides of the moving cavity (307), a motor is connected to the rotating discs (504), a connecting shaft (506) is eccentrically fixed at one side of the rotating discs, the connecting shaft (506) is slidably connected in the connecting grooves (505) at the corresponding side, a plurality of vertical moving rods (502) are uniformly fixed at the top of the moving plate (503) along the length direction of the top of the moving plate, a moving frame (5) is fixedly arranged at the top ends of the moving rods (502), the middle of the moving frame (5) is symmetrically inclined, the two sides of the outer sides are symmetrically and vertically arranged, arc-shaped sealing plates (501) are respectively fixed at the two outer sides of the bottom of the moving frame (5), and the sealing plates (501) are located at the first material dropping groove.

7. The concrete recycled aggregate screening apparatus according to claim 1, wherein: the first crushing assembly comprises two first crushing wheels (6) which are symmetrically and parallelly arranged below the collecting hopper (404), the first crushing wheels (6) are rotationally connected with one side of the crushing cavity (402), one end of a wheel shaft of each first crushing wheel (6) extends into the driving cavity (403) and is fixedly provided with a first crushing gear (602), the two first crushing gears (602) are meshed with each other, and one first crushing gear (602) is connected with a motor;

the second crushing assembly comprises two second crushing wheels (601) which are symmetrically and parallelly arranged below the inner side ends of the two guide plates, the second crushing wheels (601) are rotatably connected with one side of the crushing cavity (402), one end of a wheel shaft of each second crushing wheel (601) extends into the driving cavity (403) and is fixedly provided with a second crushing gear (603), the two second crushing gears (603) are meshed with each other, and one of the second crushing gears (603) is connected with a motor.

8. The concrete recycled aggregate screening apparatus according to claim 1, wherein: the material blocking assembly comprises arc-shaped material plates (407) symmetrically arranged at the bottom of an inner cavity of the crushing cavity (402), arc-shaped grooves are formed in the top surfaces of outer side sections of the two arc-shaped material plates (407) along the arc direction, a plurality of teeth are uniformly fixed in the arc grooves along the arc direction, a discharging gear (408) is meshed with the arc-shaped grooves through the teeth, and the discharging gear (408) is rotationally connected with the side wall of the crushing cavity (402) and connected with a motor.

9. The concrete recycled aggregate screening apparatus according to claim 8, wherein: two the bottom of stock guide all is fixed with vertical baffle (409), and the second is smashed the subassembly and is located between two baffles (409), the both sides of baffle (409) and the both sides wall fixed connection who smashes chamber (402), and the top surface of arc flitch (407) and the bottom sliding connection of baffle (409).

10. The concrete recycled aggregate screening apparatus according to claim 2, wherein: balls (308) are uniformly distributed on the outer side face of the limit sliding block (303), and the balls (308) are in contact with the side wall of the limit sliding groove (201).