CN116618298A - Aggregate sieving mechanism for recycled concrete - Google Patents

Abstract

The invention discloses an aggregate screening device for recycled concrete, and relates to the technical field of recycled concrete. This kind of aggregate sieving mechanism for recycled concrete, including handling the case and installing the inlet pipe on handling the case, the inside of handling the case is fixed with the baffle, and handles the case and form first cavity and second cavity under the segmentation effect of baffle, first cavity and let the cavity communicate with each other, the one end of inlet pipe is located inside the first cavity. This kind of aggregate sieving mechanism for recycled concrete, the processing box carries out the in-process of classifying the processing to recycled concrete, through the filter screen on each cone separation box, the concrete aggregate that treats the screening carries out the separation filtration, the inside filtration of each cone separation box is collected the concrete aggregate that treats the screening that the particle diameter is close, the resistance that makes brick material and concrete material on the aggregate produce when sinking respectively and rising layering motion is less relatively, guarantee the efficiency of cone separation box inside to aggregate layering screening.

Description

Aggregate sieving mechanism for recycled concrete

Technical Field

The invention relates to the technical field of recycled concrete, in particular to an aggregate screening device for recycled concrete.

Background

The recycled concrete is prepared by crushing, cleaning and grading waste concrete blocks, mixing with grading according to a certain proportion, partially or completely replacing natural aggregates such as sand and stone, and adding cement, water and the like. The recycled concrete can be in the form of aggregate combinations in the following cases: the aggregate is all regenerated aggregate; the coarse aggregate is regenerated aggregate, and the fine aggregate is natural sand; the coarse aggregate is natural broken stone or pebble, and the fine aggregate is regenerated aggregate; the regenerated aggregate replaces part of the coarse aggregate or the fine aggregate.

The regenerated concrete aggregate screening system with the comparative patent number of CN111892318A comprises a separation module and a screening module connected with the separation module through a pipeline; the separation module comprises a centrifugal box, a centrifugal driving motor arranged at the bottom of the centrifugal box and a rotary table arranged at the upper side of the centrifugal driving motor, wherein the outside of the centrifugal box is a cylinder, and a conical centrifugal bin with the diameter gradually decreasing downwards is arranged in the centrifugal box.

The recycled concrete aggregate screening system screens crushed aggregates, the crushed aggregates are uneven in particle size, and part of aggregates with larger particle sizes can prevent ascending movement of aggregates with smaller particle sizes, so that the internal layering effect is reduced, and meanwhile layering efficiency is reduced.

Disclosure of Invention

The invention aims to provide an aggregate screening device for recycled concrete, 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 an aggregate sieving mechanism for recycled concrete, includes the treatment box and installs the inlet pipe on the treatment box, the inside of treatment box is fixed with the baffle, and the treatment box forms first cavity and second cavity under the segmentation effect of baffle, first cavity and let the cavity communicate with each other, the one end of inlet pipe is located inside the first cavity, vertical range is provided with a plurality of coniform separation boxes on the first cavity, the bottom of coniform separation box is fixed with the filter screen, and the aperture from the top down of filter screen on each coniform separation box reduces in proper order and sets up, be fixed with a plurality of connecting plates on the lateral wall of coniform separation box lower extreme, and upper and lower two coniform separation boxes realize the integral type under the effect of each connecting plate and connect, the lower extreme of treatment box is provided with the screening discharging component that is used for screening the ejection of compact after the coniform separation box, be provided with the recovery component that is used for recycling fine aggregate in the regeneration concrete feeding process on the first cavity.

Preferably, the rotating assembly comprises an L-shaped plate fixed at the lower end of the treatment box, a rotating shaft is rotationally connected to the L-shaped plate, an installation shaft is rotationally connected to the treatment box, one end of the installation shaft is located in the first cavity and fixed to the lowest cone-shaped separation box, the rotating shaft and the installation shaft are concentrically arranged and connected through a transmission assembly, a driving motor for driving the rotating shaft is arranged on the L-shaped plate, and a vibration assembly which is convenient for regenerated concrete to efficiently convey and filter from the cone-shaped separation box is arranged on the installation shaft.

Preferably, the transmission assembly comprises a plurality of spline grooves formed in one end of the rotating shaft, spline pins are slidably connected to the spline grooves, and one end of each spline pin is fixed to one end of the mounting shaft.

Preferably, the vibration assembly comprises a strip-shaped plate, a fixing pin is fixed at the upper end of the strip-shaped plate, an annular plate is fixed on the side wall of the mounting shaft, the annular plate is located above the strip-shaped plate, a plurality of bulges which are used for pushing against the fixing pin are fixed on the annular array at the lower end of the annular plate, and a contraction assembly used for contracting the strip-shaped plate is arranged at the lower end of the treatment box.

Preferably, the shrink subassembly is including fixing the mount at the processing box lower extreme, sliding connection has a plurality of first T type poles on the mount, each one end and the strip shaped plate of first T type pole are fixed mutually, the upper end of strip shaped plate is fixed with first mounting panel, first iron plate and first electro-magnet are installed respectively to the opposite one side of first mounting panel and mount, each the cover is equipped with first spring on the lateral wall of first T type pole.

Preferably, the screening discharging assembly comprises a plurality of annular screening frames sleeved outside the conical sorting box, each annular screening frame is fixed with an annular baffle plate on one side, close to the conical sorting box, of the conical sorting box, a plurality of discharging grooves are formed in the conical sorting box, the discharging grooves are plugged and arranged under the propping action of the annular baffle plates, a mounting frame is fixed on the first chamber, a plurality of conveying pipes are mounted on the mounting frame, one ends of the conveying pipes are respectively communicated with the annular screening frames, lifting assemblies for lifting the annular screening frames are mounted on the mounting frame, the annular screening frames are connected through a plurality of connecting blocks between two adjacent annular screening frames up and down to enable the annular screening frames to be lifted synchronously, and a rubber pad which is convenient for the annular screening frames to be kept against the conical sorting box in the lifting process is arranged on one side, close to the conical sorting box, of the annular screening frames.

Preferably, the lifting assembly comprises a second mounting plate fixed on one side of the mounting frame, a plurality of second T-shaped rods are connected to the second mounting plate in a sliding manner, one end of each second T-shaped rod is fixed with the uppermost annular screening frame outside the conical sorting box, a second spring is sleeved on the side wall of each second T-shaped rod, and a second electromagnet and a second iron block are respectively fixed between the second mounting plate and the annular screening frame.

Preferably, the recovery assembly comprises an air pipe installed on the first chamber, one end of the air pipe is located below the feeding pipe, a first sliding groove and a second sliding groove are formed in the treatment box, the first sliding groove is located above the second sliding groove, the first sliding groove and the second sliding groove are communicated with the inside of the second chamber, one end of the air pipe is communicated with the inside of the second sliding groove, a first recovery frame and a second recovery frame are respectively connected to the first sliding groove and the second sliding groove in a sliding mode, a filter plate used for filtering is installed on the first recovery frame and the second recovery frame, and an air blowing assembly used for blowing air is arranged on the air pipe.

Preferably, the blowing assembly comprises a support frame fixed in the air pipe, an operation shaft is rotatably connected to the support frame, a fan blade is fixed at one end of the operation shaft, and a driving assembly for driving the operation shaft is arranged on the rotation shaft.

Preferably, the drive assembly includes the transmission shaft of swivelling joint on L template, the one end of transmission shaft is located tracheal inside and is fixed with first awl tooth, the one end of operating axle is fixed with the second awl tooth, intermeshing sets up between first awl tooth and the second awl tooth, be fixed with the third awl tooth in the pivot, the one end of transmission shaft is fixed with the fourth awl tooth, intermeshing sets up between third awl tooth and the fourth awl tooth.

Compared with the prior art, the invention has the beneficial effects that:

this kind of aggregate sieving mechanism for recycled concrete, the processing box carries out the in-process of classifying the processing to recycled concrete, through the filter screen on each cone separation box, the concrete aggregate that treats the screening carries out the separation filtration, the inside filtration of each cone separation box is collected the concrete aggregate that treats the screening that the particle diameter is close, the resistance that makes brick material and concrete material on the aggregate produce when sinking respectively and rising layering motion is less relatively, guarantee the efficiency of cone separation box inside to aggregate layering screening.

Drawings

FIG. 1 is a schematic diagram of the overall outline structure of the present invention;

FIG. 2 is a schematic view of the structure of the rotating assembly, the driving assembly, the vibrating assembly and the contracting assembly of the present invention;

FIG. 3 is a schematic view of the internal structure of the treatment tank of the present invention;

FIG. 4 is a schematic view of a recycling assembly according to the present invention;

FIG. 5 is a schematic view of the structure of the blowing assembly and the driving assembly according to the present invention;

FIG. 6 is a schematic view of the structure of the cone-type separation box of the present invention;

FIG. 7 is a schematic view of a lifting assembly according to the present invention;

FIG. 8 is a schematic view of the discharge assembly of the present invention;

FIG. 9 is an enlarged schematic view of FIG. 2A;

FIG. 10 is an enlarged schematic view of the structure shown at B in FIG. 5;

fig. 11 is an enlarged schematic view of the structure at C in fig. 7.

In the figure: 101. a treatment box; 102. a feed pipe; 2. a partition plate; 3. a cone-shaped sorting box; 4. a filter screen; 5. a connecting plate; 6. a rotating assembly; 601. an L-shaped plate; 602. a rotating shaft; 603. a mounting shaft; 604. a driving motor; 7. a transmission assembly; 701. spline grooves; 702. a spline pin; 8. a vibration assembly; 801. a strip-shaped plate; 802. a fixing pin; 803. an annular plate; 804. a protrusion; 9. a retraction assembly; 901. a fixing frame; 902. a first T-bar; 903. a first mounting plate; 904. a first iron block; 905. a first electromagnet; 906. a first spring; 10. a discharge assembly; 1001. an annular screening frame; 1002. an annular baffle; 1003. a discharge chute; 1004. a mounting frame; 1005. a delivery tube; 11. a lifting assembly; 1101. a second mounting plate; 1102. a second T-bar; 1103. a second spring; 1104. a second electromagnet; 1105. a second iron block; 12. a recovery assembly; 1201. an air pipe; 1202. a first chute; 1203. a first recovery frame; 1204. a second chute; 1205. a second recovery frame; 1206. a filter plate; 13. an air blowing assembly; 1301. an operation shaft; 1302. a fan blade; 14. a drive assembly; 1401. a transmission shaft; 1402. a first bevel gear; 1403. a second bevel gear; 1404. a third bevel gear; 1405. and fourth bevel gear.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1 to 11, the present invention provides a technical solution: the utility model provides an aggregate sieving mechanism for recycled concrete, including processing case 101 and install the inlet pipe 102 on processing case 101, processing case 101's inside is fixed with baffle 2, and processing case 101 forms first cavity and second cavity under the segmentation effect of baffle 2, first cavity and let the cavity communicate with each other, the one end of inlet pipe 102 is located inside the first cavity, vertical arrangement is provided with a plurality of coniform separation cases 3 on the first cavity, the bottom of coniform separation cases 3 is fixed with filter screen 4, and the aperture from the top down of filter screen 4 on each coniform separation case 3 reduces in proper order and sets up, be fixed with a plurality of connecting plates 5 on the lateral wall of coniform separation cases 3 lower extreme, and two upper and lower coniform separation cases 3 realize integrated connection under the effect of each connecting plate 5, the lower extreme of processing case 101 is provided with the screening discharging component 10 that is used for to select for the back ejection of compact, be provided with the regeneration fine aggregate component 12 in the regeneration concrete feeding process on the first cavity, the processing case is to be provided with the filter screen 3, the relative size of aggregate that the size of aggregate is close to the inside is compared with the filter screen 3 when the filter screen 3 is carried out on the filter screen 3 is placed in the side of each layer, the filter screen 3 is placed in the order of the size of the layer, the size is compared with the filter screen 3 when the size is selected to be separated.

The rotating assembly 6 comprises an L-shaped plate 601 fixed at the lower end of the treatment box 101, a rotating shaft 602 is rotatably connected to the L-shaped plate 601, a mounting shaft 603 is rotatably connected to the treatment box 101, one end of the mounting shaft 603 is located in the first cavity and fixed to the lowest cone-shaped separation box 3, the rotating shaft 602 and the mounting shaft 603 are concentrically arranged and connected through a transmission assembly 7, a driving motor 604 used for driving the rotating shaft 602 is mounted on the L-shaped plate 601, a vibrating assembly 8 used for efficiently conveying and filtering recycled concrete from the cone-shaped separation box 3 is arranged on the mounting shaft 603, the rotating shaft 602 is driven to rotate through the driving motor 604, and the mounting shaft 603 is driven to rotate through the connection transmission effect between spline grooves 701 and spline pins 702 in the rotating process of the rotating shaft 602, and each cone-shaped separation box 3 is driven to rotate in the treatment box 101 in the rotating process of the mounting shaft 603.

The transmission assembly 7 comprises a plurality of spline grooves 701 formed in one end of the rotating shaft 602, spline pins 702 are slidably connected to the spline grooves 701, one end of each spline pin 702 is fixed to one end of the mounting shaft 603, the rotating shaft 602 is driven to rotate through the driving motor 604, and the mounting shaft 603 is driven to rotate through the connection transmission function between the spline grooves 701 and the spline pins 702 in the rotating process of the rotating shaft 602.

The vibration assembly 8 comprises a strip-shaped plate 801, a fixed pin 802 is fixed at the upper end of the strip-shaped plate 801, an annular plate 803 is fixed on the side wall of a mounting shaft 603, the annular plate 803 is located above the strip-shaped plate 801, a plurality of protrusions 804 for pushing against the fixed pin 802 are fixed on the annular plate 803 in a ring-shaped array mode, a shrinkage assembly 9 for shrinking the strip-shaped plate 801 is arranged at the lower end of the treatment box 101, in the rotating process of the mounting shaft 603, through the transmission effect of the protrusions 804 on the annular plate 803 against the fixed pin 802 and the gravity falling reset effect of the mounting shaft 603, the mounting shaft 603 reciprocates up and down at the bottom of the treatment box 101 while rotating, through the reciprocating motion of the mounting shaft 603, the conical separation boxes 3 reciprocate up and down, the filter screens 4 inside the conical separation boxes 3 vibrate, and the efficiency of filtering and collecting concrete aggregates to be screened from the filter screens 4 is guaranteed.

The shrinkage subassembly 9 includes the mount 901 of fixing in the processing case 101 lower extreme, sliding connection has a plurality of first T shaped bars 902 on the mount 901, the one end of each first T shaped bar 902 is fixed mutually with the strip shaped plate 801, the upper end of strip shaped plate 801 is fixed with first mounting panel 903, first iron plate 904 and first electro-magnet 905 are installed respectively to the opposite one side of first mounting panel 903 and mount 901, the cover is equipped with first spring 906 on the lateral wall of each first T shaped bar 902, carry out the circular telegram with first electro-magnet 905, the magnetic force effect between the circular telegram first electro-magnet 905 and the first iron plate 904 and the guiding effect of each first T shaped bar 902, drive strip shaped plate 801 shrink, make each protruding 804 of annular plate 803 no longer offsets with fixed pin 802 when rotating, make each conical separation case 3 inside the processing case 101 rotate only and do not vibrate about, avoid upper and lower vibration influence layering effect.

The screening discharging assembly 10 comprises a plurality of annular screening frames 1001 sleeved on the outer side of the conical separation box 3, annular baffles 1002 are fixed on one side, close to the conical separation box 3, of each annular screening frame 1001, a plurality of discharging grooves 1003 are formed in the conical separation box 3, the discharging grooves 1003 are plugged and arranged under the propping action of the annular baffles 1002, a mounting frame 1004 is fixed on the first chamber, a plurality of conveying pipes 1005 are mounted on the mounting frame 1004, one ends of the conveying pipes 1005 are respectively communicated with the annular screening frames 1001, lifting assemblies 11 used for lifting the annular screening frames 1001 are mounted on the mounting frame 1004, the annular screening frames 1001 are connected through a plurality of connecting blocks, the annular screening frames 1001 are synchronously lifted and lowered, a rubber pad which is convenient for the annular screening frames 1001 to prop against the conical separation box 3 is arranged on one side, which is propped against the conical separation box 3, of each annular screening frame 1001 is driven to move upwards through the lifting assemblies 11, the annular screening frames 1001 on the outer side of the conical separation box 3 are enabled to be communicated with the annular screening frames 1003 on the conical separation box 3, the annular screening frames are enabled to rotate along with the annular screening frames 1001, and the aggregate is collected after the annular screening frames are continuously rotated along with the annular screening frames, and the aggregate is collected and the aggregate is conveyed to pass through the annular screening frames.

The lifting assembly 11 comprises a second mounting plate 1101 fixed on one side of a mounting frame 1004, a plurality of second T-shaped rods 1102 are slidably connected to the second mounting plate 1101, one end of each second T-shaped rod 1102 is fixed to an uppermost annular screening frame 1001 outside the conical sorting box 3, a second spring 1103 is sleeved on the side wall of each second T-shaped rod 1102, a second electromagnet 1104 and a second iron block 1105 are respectively fixed between the second mounting plate 1101 and the annular screening frame 1001, the second electromagnet 1104 is electrified, the second electromagnet 1104 after being electrified drives the annular screening frame 1001 to ascend under the action of magnetic force between the second electromagnet 1104 and the guiding action of each second T-shaped rod 1102, when the annular screening frame 1001 needs to descend, the second electromagnet 1104 is powered off, and the annular screening frame 1001 resets under the action of self gravity and the second spring 1103.

The recycling assembly 12 comprises an air pipe 1201 arranged on the first chamber, one end of the air pipe 1201 is positioned below the feeding pipe 102, a first chute 1202 and a second chute 1204 are arranged on the treatment box 101, the first chute 1202 is positioned above the second chute 1204, the first chute 1202 and the second chute 1204 are communicated with the inside of the second chamber, one end of the air pipe 1201 is communicated with the inside of the second chute 1204, a first recycling frame 1203 and a second recycling frame 1205 are respectively connected to the first chute 1202 and the second chute 1204 in a sliding manner, a filter plate 1206 for filtering is arranged on the first recycling frame 1203 and the second recycling frame 1205, an air blowing assembly 13 for blowing is arranged on the air pipe 1201, dust and recycled fine aggregate stored on the concrete aggregate to be screened are separated from the recycled concrete through the recycling assembly 12 and pass through the first chute 1202 and the second chute 1204, the recycled fine aggregate is filtered and collected through the filter plate 1206 on the first recycling frame 1203 in the passing process, and the recycled fine aggregate is convenient to screen the recycled dust and the recycled fine aggregate in the process of the concrete dust screening.

The blowing assembly 13 comprises a supporting frame fixed inside the air pipe 1201, an operation shaft 1301 is rotatably connected to the supporting frame, a fan blade 1302 is fixed to one end of the operation shaft 1301, a driving assembly 14 used for driving the operation shaft 1301 is arranged on the rotating shaft 602, and the blowing assembly 13 is used for exhausting air from the inside of the second sliding groove 1204 and blowing out the air from the other end of the air pipe 1201.

The driving assembly 14 comprises a driving shaft 1401 rotatably connected to the L-shaped plate 601, one end of the driving shaft 1401 is located in the air pipe 1201 and is fixedly provided with a first conical tooth 1402, one end of the operating shaft 1301 is fixedly provided with a second conical tooth 1403, the first conical tooth 1402 and the second conical tooth 1403 are meshed with each other, a third conical tooth 1404 is fixedly arranged on the driving shaft 602, one end of the driving shaft 1401 is fixedly provided with a fourth conical tooth 1405, the third conical tooth 1404 and the fourth conical tooth 1405 are meshed with each other, in the rotating process of the driving shaft 602, the driving shaft 1401 rotates through the mutual meshing transmission between the third conical tooth 1404 and the fourth conical tooth 1405, and in the rotating process of the driving shaft 1401, the fan blade 1302 at one end of the operating shaft 1301 rotates through the mutual meshing transmission between the first conical tooth 1402 and the second conical tooth 1403.

Working principle: in the process of screening recycled concrete by the treatment box 101, conveying the concrete aggregate to be screened to the inside of the treatment box 101 through the feed pipe 102, sequentially passing through each cone-shaped separation box 3 under the falling action of the treatment box 101, driving the installation shaft 603 to rotate under the connection transmission action between the spline grooves 701 and the spline pins 702 in the rotating process of the rotation shaft 602, driving each cone-shaped separation box 3 to rotate in the inside of the treatment box 101 from top to bottom in the rotating process of the installation shaft 603, separating and filtering the concrete aggregate to be screened through each filter screen 4 in the process of passing through each cone-shaped separation box 3, enabling the concrete aggregate to be screened to pass through the inside of each cone-shaped separation box 3 to collect the concrete aggregate with similar particle size, and enabling the concrete aggregate to be screened to pass through the transmission shaft 602 to rotate through the driving motor 604 in the process of circulating on each cone-shaped separation box 3, and enabling the installation shaft 603 to rotate under the reciprocating action of the reciprocating motion of the transmission shaft 803 to make the reciprocating motion of the filter screen 3 to the reciprocating motion of the filter screen 3 in the reciprocating motion of the filter shaft 803 on the reciprocating motion of the filter shaft 803 in the reciprocating motion of the filter shaft 603;

after the transportation and filtration collection of the concrete aggregate to be screened are completed, each cone-shaped sorting box 3 is continuously driven to rotate in the treatment box 101 through the rotating component 6 and the transmission component 7, the strip-shaped plate 801 is driven to shrink through the shrinking component 9, so that each bulge 804 does not prop against the fixed pin 802 when the annular plate 803 rotates, each cone-shaped sorting box 3 in the treatment box 101 only rotates and does not vibrate up and down, in the process of rotating the cone-shaped sorting box 3, under the action of centrifugal force, the concrete aggregate with lighter mass on the aggregate is attached to the inner wall of the cone-shaped sorting box 3 to move up, the brick aggregate with heavier mass on the aggregate is attached to the inner wall of the cone-shaped sorting box 3 to perform sedimentation movement, the aggregate filtered and collected on the cone-shaped sorting box 3 is layered in the cone-shaped sorting box 3 under the action of centrifugal force, in the layering process, aggregates with similar particle sizes are filtered and stored in the conical separation box 3, so that resistance generated between the sinking and rising movements of brick materials and concrete materials on the aggregates is relatively small, the layering screening efficiency of the aggregates in the conical separation box 3 is guaranteed, after the brick materials and the concrete materials on the aggregates are subjected to layering screening through rotation of the conical separation box 3, the lifting assembly 11 drives each annular screening frame 1001 on the outer side of the conical separation box 3 to conduct rising movement, each annular screening frame 1001 is communicated with each discharging groove 1003 on the conical separation box 3, and at the moment, the layered aggregates are conveyed outwards through the annular screening frames 1001 and conveying pipes 1005 under the action of centrifugal force to finish screening and collecting of recycled concrete aggregates;

in the process of rotating the rotating shaft 602, through the rotation of the fan blade 1302, the interior of the second chute 1204 is pumped and blown out from the other end of the air pipe 1201, and along with the concrete aggregate to be screened falling from one end of the feed pipe 102 and the blowing effect of one end of the air pipe 1201, dust and recycled fine aggregate stored on the concrete aggregate to be screened are separated from the recycled concrete, flow to the second chamber and pass through the first chute 1202 and the second chute 1204, in the process of passing through, the recycled fine aggregate is filtered and collected through the filter plate 1206 on the first recovery frame 1203, and the dust is collected through the filter plate 1206 on the second recovery frame 1205, so that dust fall and recycling of the recycled fine aggregate in the concrete aggregate screening process are facilitated.

Claims (10)

1. Aggregate sieving mechanism for recycled concrete, including handling case (101) and install inlet pipe (102) on handling case (101), its characterized in that: the inside of processing box (101) is fixed with baffle (2), and processing box (101) forms first cavity and second cavity under the segmentation effect of baffle (2), first cavity and have to let the cavity communicate with each other, the one end of inlet pipe (102) is located first cavity inside, vertical range is provided with a plurality of cone separation boxes (3) on the first cavity, the bottom of cone separation boxes (3) is fixed with filter screen (4), and the aperture from the top down of filter screen (4) on each cone separation box (3) reduces in proper order and sets up, be fixed with a plurality of connecting plates (5) on the lateral wall of cone separation boxes (3) lower extreme, and upper and lower two cone separation boxes (3) realize the integral type under the effect of each connecting plate (5) and connect, the lower extreme of processing box (101) is provided with and is used for to cone separation boxes (3) pivoted rotating subassembly (6), each be provided with on cone separation boxes (3) and be used for selecting separately back screening ejection of compact subassembly (10), be provided with on the first cavity and be used for recycling fine concrete recovery subassembly (12) in the recycling process of recycling.

2. The aggregate screening device for recycled concrete according to claim 1, wherein: the utility model discloses a rotary component, including fixing L template (601) at processing box (101) lower extreme, rotate on L template (601) and be connected with pivot (602), it is connected with installation axle (603) to rotate on processing box (101), the one end of installation axle (603) is located the inside of first cavity and is fixed mutually with cone separation box (3) of below, set up and be connected through drive assembly (7) with the installation between pivot (602) and installation axle (603) with one heart, install on L template (601) and be used for pivot (602) driven driving motor (604), be provided with on installation axle (603) and be convenient for regeneration concrete from high-efficient transport filterable vibration assembly (8) on cone separation box (3).

3. The aggregate screening device for recycled concrete according to claim 2, wherein: the transmission assembly (7) comprises a plurality of spline grooves (701) formed in one end of the rotating shaft (602), spline pins (702) are connected to the spline grooves (701) in a sliding mode, and one end of each spline pin (702) is fixed to one end of the mounting shaft (603).

4. The aggregate screening device for recycled concrete according to claim 3, wherein: the vibration assembly (8) comprises a strip-shaped plate (801), a fixing pin (802) is fixed at the upper end of the strip-shaped plate (801), an annular plate (803) is fixed on the side wall of the mounting shaft (603), the annular plate (803) is located above the strip-shaped plate (801), a plurality of protrusions (804) for pushing against the fixing pin (802) are fixed on the annular array at the lower end of the annular plate (803), and a shrinkage assembly (9) for shrinking the strip-shaped plate (801) is arranged at the lower end of the treatment box (101).

5. The aggregate screening device for recycled concrete according to claim 4, wherein: shrink subassembly (9) are including fixing mount (901) at processing case (101) lower extreme, sliding connection has a plurality of first T type poles (902) on mount (901), and each one end and strip shaped plate (801) of first T type pole (902) are fixed mutually, the upper end of strip shaped plate (801) is fixed with first mounting panel (903), first iron plate (904) and first electro-magnet (905) are installed respectively with one side that mount (901) are relative to first mounting panel (903), and the cover is equipped with first spring (906) on the lateral wall of each first T type pole (902).

6. The aggregate screening device for recycled concrete according to claim 1, wherein: the screening discharging assembly (10) comprises a plurality of annular screening frames (1001) sleeved outside the conical sorting box (3), each annular screening frame (1001) is fixed with an annular baffle (1002) by leaning against one side of the conical sorting box (3), a plurality of discharging grooves (1003) are formed in the conical sorting box (3), the discharging grooves (1003) are blocked and arranged under the propping action of the annular baffle (1002) respectively, a mounting frame (1004) is fixed on the first cavity, a plurality of conveying pipes (1005) are mounted on the mounting frame (1004), one ends of the conveying pipes (1005) are respectively communicated with each annular screening frame (1001), lifting assemblies (11) for lifting the annular screening frames (1001) are mounted on the mounting frame (1004), the annular screening frames (1001) are synchronously lifted by being connected through a plurality of connecting blocks, and one sides of the annular screening frames (1001) propped against the conical sorting box (3) are provided with rubber pads which are convenient to lift the annular screening frames (1001) and keep the conical sorting box (3).

7. The aggregate screening device for recycled concrete according to claim 6, wherein: lifting assembly (11) are including fixing second mounting panel (1101) in mounting bracket (1004) one side, sliding connection has a plurality of second T type poles (1102) on second mounting panel (1101), and each one end of second T type pole (1102) is fixed mutually with annular screening frame (1001) that conical separation case (3) outside is uppermost, and each cover is equipped with second spring (1103) on the lateral wall of second T type pole (1102), be fixed with second electro-magnet (1104) and second iron plate (1105) between second mounting panel (1101) and annular screening frame (1001) respectively.

8. The aggregate screening device for recycled concrete according to claim 5, wherein: the recovery assembly (12) comprises an air pipe (1201) arranged on a first cavity, one end of the air pipe (1201) is located below the feeding pipe (102), a first sliding groove (1202) and a second sliding groove (1204) are formed in the processing box (101), the first sliding groove (1202) is located above the second sliding groove (1204), the first sliding groove (1202) and the second sliding groove (1204) are communicated with the inside of the second cavity, one end of the air pipe (1201) is communicated with the inside of the second sliding groove (1204), a first recovery frame (1203) and a second recovery frame (1205) are connected to the first sliding groove (1202) and the second sliding groove (1204) in a sliding mode respectively, a filter plate (1206) used for filtering is arranged on the first recovery frame (1203) and the second recovery frame (1205), and an air blowing assembly (13) used for blowing air is arranged on the air pipe (1201).

9. The aggregate screening device for recycled concrete according to claim 8, wherein: the air blowing assembly (13) comprises a support frame fixed inside an air pipe (1201), an operation shaft (1301) is rotatably connected to the support frame, a fan blade (1302) is fixed to one end of the operation shaft (1301), and a driving assembly (14) for driving the operation shaft (1301) is arranged on the rotating shaft (602).

10. The aggregate screening device for recycled concrete according to claim 9, wherein: the driving assembly (14) comprises a driving shaft (1401) which is rotationally connected to an L-shaped plate (601), one end of the driving shaft (1401) is located in an air pipe (1201) and is fixedly provided with a first conical tooth (1402), one end of the operating shaft (1301) is fixedly provided with a second conical tooth (1403), the first conical tooth (1402) and the second conical tooth (1403) are mutually meshed, a third conical tooth (1404) is fixedly arranged on the rotating shaft (602), one end of the driving shaft (1401) is fixedly provided with a fourth conical tooth (1405), and the third conical tooth (1404) and the fourth conical tooth (1405) are mutually meshed.