CN112691748A

CN112691748A - Composite manufacturing device for preparing recycled aggregate from construction waste and recycled aggregate preparation method

Info

Publication number: CN112691748A
Application number: CN202011378375.3A
Authority: CN
Inventors: 夏雪娟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-04-23

Abstract

The invention relates to the technical field of construction waste regeneration, and discloses a method for preparing recycled aggregate by utilizing construction waste, which comprises a machine shell and also comprises the following steps: the horizontal pole has two, installs respectively between the inside left side wall and the right side wall of casing, and mutual parallel arrangement, two the equal fixedly connected with crushing cutter of surface of horizontal pole, two the left end of horizontal pole all runs through and extends to the outside of casing, and fixedly connected with drive gear, two drive gear intermeshing, the surface fixed connection of casing has first motor, the output and the outside of first motor the left end fixed connection of horizontal pole. This device is made to recycled aggregate for building rubbish, earlier the material pass through broken cutter, smash, then rolling through the grinding wheel and striking plate striking, can be comprehensive with the material breakage, make the aggregate granule even, the granule particle diameter is less, satisfies the work demand, and does not need the relapse breakage many times, and work efficiency is high, and work quality is good.

Description

Composite manufacturing device for preparing recycled aggregate from construction waste and recycled aggregate preparation method

Technical Field

The invention relates to the technical field of construction waste regeneration, in particular to a composite manufacturing device for preparing recycled aggregate from construction waste and a recycled aggregate preparation method.

Background

The construction waste refers to residue soil, waste material, residual mud and other wastes generated in the process of construction, laying or dismantling and repairing of various buildings, structures, pipe networks and the like of construction units or personal teams.

The processing method of present construction waste adopts jaw breaker to carry out the breakage, and the aggregate that obtains still lets be great cubic, needs to be broken through other tiny breakers until satisfying the work demand, but current breaker often carries out the breakage through two relative rotation's rotor, and although work efficiency is high, the aggregate that its breakage obtained is inhomogeneous, and the content of large granule is higher in the aggregate after the breakage, needs to be broken repeatedly, until satisfying the work demand, and is comparatively troublesome.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a composite manufacturing device for preparing recycled aggregate from construction waste and a recycled aggregate preparation method.

2. Technical scheme

The invention provides the following technical scheme:

the composite manufacturing device for preparing the recycled aggregate by using the construction waste comprises a machine shell and further comprises: the two cross rods are respectively installed between the left side wall and the right side wall in the shell and are arranged in parallel, crushing cutters are fixedly connected to the outer surfaces of the two cross rods, and the two crushing cutters are synchronously driven by a first motor through the two transmission gears; a first filter screen is fixedly connected between the left side wall and the right side wall of the interior of the shell; the first filter screen is fixed below the crushing cutter through a pressure-bearing frame, and convex teeth are arranged on the surface of the first filter screen; the distance between the highest point of the convex teeth and the highest point of the crushing cutter is smaller than the aperture of the first filter screen;

the second motor is arranged on the left side surface of the shell, the output end of the second motor is fixedly connected with a threaded rotating shaft, the outer surface of the threaded rotating shaft is in threaded connection with a threaded sleeve, a rotating rod is rotatably connected between the threaded sleeve and one side opposite to the sliding sleeve, and the outer surface of the rotating rod is fixedly connected with a rolling wheel;

the outer surface of the support is provided with a crankshaft in an inserting mode, two ends of the crankshaft and the outer surface of the rotating rod are fixedly connected with transmission chain wheels, the number of the transmission chain wheels is four, the transmission chain wheels are divided into a front group and a rear group, a transmission chain is in transmission connection between the outer surfaces of the two transmission chain wheels in each group, a shaft sleeve is sleeved on the outer surface of the crankshaft, a toothed bar is fixedly connected to the outer surface of the shaft sleeve, two elastic telescopic rods are fixedly connected to the lower surface of the support, an impact plate is fixedly connected between the bottom ends of the two elastic telescopic rods, and the upper surface of the impact plate is hinged to; the inner side of the transmission chain wheel is provided with a coaxial incomplete gear, and the incomplete gear is meshed with the rack bar; when the incomplete gear is meshed with the toothed bar, the impact plate rises, and when the toothed bar rises to the highest point, the engagement is lost, so that the impact plate quickly falls under the action of the elastic telescopic rod.

The output end of the second motor is fixedly connected with a threaded rotating shaft, the outer surface of the threaded rotating shaft is in threaded connection with a threaded sleeve, a sliding rod is fixedly connected between the left side wall and the right side wall of the interior of the shell, the outer surface of the sliding rod is sleeved with a sliding sleeve, the sliding sleeve can slide along the direction of the sliding rod, a rotating rod is rotatably connected between the threaded sleeve and the side, opposite to the sliding sleeve, of the threaded sleeve, and a rolling wheel is fixedly connected to the outer surface of the rotating rod;

the support is L-shaped in vertical cross section projection and is fixedly installed between the threaded sleeve and the upper surface of the sliding sleeve, a crankshaft is arranged and connected on the outer surface of the support in an inserting mode, the crankshaft is arranged in parallel with the rotating rod, two ends of the crankshaft and the outer surface of the rotating rod are fixedly connected with transmission chain wheels, the number of the transmission chain wheels is four, the transmission chain wheels are divided into a front group and a rear group, a transmission chain is connected between the outer surfaces of the two transmission chain wheels in each group in a transmission mode, a shaft sleeve is sleeved on the outer surface of the crankshaft, a connecting rod is fixedly connected to the outer surface of the shaft sleeve, two telescopic rods are fixedly connected to the lower surface of the support, an impact plate is fixedly connected between the bottom ends of the two;

the rack has two, and respectively fixed mounting be parallel arrangement between inside left side wall of casing and the right side wall, two gears, two of the outer fixed surface of bull stick is connected with the gear with rack intermeshing, fixedly connected with second filter screen between inside left side wall of casing and the right side wall, the surface of rolling wheel with the second filter screen butt to can roll at its upper surface.

Furthermore, a material barrel is placed on the bottom wall of the inner portion of the machine shell, a stop door is arranged on the outer surface of the machine shell, and the material barrel corresponds to the stop door.

Furthermore, the left side surface of the casing is fixedly connected with two motor bases, and the upper surface of the casing is fixedly connected with the first motor and the second motor respectively.

Further, broken cutter is cask form, and outer surface welding has a plurality of sword teeth, the quantity of cutter is greater than ten, and evenly distributed is in the surface of broken cutter, broken cutter welding is in the surface of horizontal pole, and two the sword tooth of broken cutter surface is crisscross each other.

Further, fixedly connected with guide plate between the inside lateral wall of casing, the guide plate with the contained angle between the casing is forty-five, the guide plate is located drive sprocket's top.

Further, the rolling wheel is a high-hardness and high-strength metal component, and the mass of the rolling wheel is more than one hundred kilograms.

Further, the striking plate includes the mounting panel, the lower fixed surface of mounting panel is connected with the spring board, the lower fixed surface of spring board is connected with the metal sheet, the upper surface of mounting panel with the connecting rod is articulated mutually.

Further, the metal plate is one of an iron plate and a steel plate.

Furthermore, the lower surface of the second filter screen is fixedly connected with a funnel, and the funnel is located on the upper surface of the material barrel.

A method for preparing recycled aggregate from construction waste, which comprises using the composite manufacturing device for preparing recycled aggregate from construction waste according to any one of claims 1 to 9.

3. Advantageous effects

Compared with the prior art, the invention provides a composite manufacturing device for preparing recycled aggregate from construction waste, which has the following beneficial effects:

(1) this device is made with recycled aggregate for building rubbish, when using, place the material in the casing, through the first motor that sets up, first motor drives two horizontal pole relative rotations through two meshed drive gear, and two horizontal poles and then drive broken cutter rotation, and then carry out the extrusion breakage with the material, with the bold material breakage, convenient follow-up processing.

(2) This device is made to regeneration aggregate for building rubbish, when using, through the second motor that sets up, after the material is broken, through first filter screen, fall down along the guide plate under the effect of gravity, through the second motor that sets up, the second motor drives the rotation of screw thread pivot, make screw sleeve and sliding sleeve remove along the direction of litter, when removing, under the meshing effect of rack and gear, the bull stick drives the rolling wheel and rotates and gos forward, the rolling wheel rolls on the second filter screen upper surface, play the effect of crushing the material.

(3) This device is made to recycled aggregate for building rubbish, when using, through the second motor that sets up, when the second motor drives the screw thread pivot rotatory, can make the rolling wheel roll at the upper surface of second filter screen, when it rolls, the bull stick is rotatory, through two sets of drive sprocket and drive chain, it is rotatory to drive the bent axle, the bent axle is when rotating, axle sleeve and connecting rod established through the cover, reciprocating motion about the pulling striking plate, the striking plate smashes the material of second filter screen upper surface, play the purpose that further improves the crushing effect of material.

(4) This recycled aggregate manufacturing installation for building rubbish, when using, earlier the material passes through broken cutter, smashes, then rolls through the grinding wheel and strikes with the impingement plate, can be comprehensive with the material breakage, make the aggregate granule even, the particle diameter is less, satisfies the work demand, and does not need repetitious breakage, work efficiency is high, and work quality is good.

(5) This application regards as the one-level breakage with gear hobbing formula crushing tool to extrusion between the dogtooth on crushing tool and the first filter screen is as the second grade breakage, and hitting of striking plate is as tertiary breakage, and the rolling wheel is broken as the level four, has realized single equipment to the multistage breakage of building waste, has improved broken validity, avoids secondary operation.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the present invention

FIG. 3 is an enlarged view of the structure of FIG. 2 at A in accordance with the present invention;

FIG. 4 is a schematic top view of the present invention;

FIG. 5 is a top view of the housing of the present invention;

FIG. 6 is an enlarged view of the structure of FIG. 5 at B in accordance with the present invention;

FIG. 7 is an enlarged view of the structure of FIG. 5 at C in accordance with the present invention;

fig. 8 is a schematic view of the structure of the impact plate of the present invention.

In the figure: 1. a housing; 2. a cross bar; 3. crushing a cutter; 4. a funnel; 5. a gear; 6. a first motor; 7. a first filter screen; 8. a second motor; 9. a threaded shaft; 10. a threaded sleeve; 11. a slide rod; 12. a sliding sleeve; 13. a rotating rod; 14. a rolling wheel; 15. a support; 16. a crankshaft; 17. a drive sprocket; 18. a drive chain; 19. a shaft sleeve; 20. a connecting rod; 21. an elastic telescopic rod; 22. an impact plate; 23. a rack; 24. a second filter screen; 25. a material barrel; 26. a shutter; 27. a baffle; 28. a gear; 2201. mounting a plate; 2202. a spring plate; 2203. a metal plate.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, the composite manufacturing device for preparing recycled aggregate from construction waste comprises a housing 1, wherein the upper surface of the housing 1 is open and provided with a baffle plate, which facilitates the addition of materials, and when in use, the materials are not easy to collapse, thereby improving the safety of the device, a material barrel 25 is placed on the inner bottom wall of the housing 1, a stop door 26 is provided on the outer surface of the housing 1, the material barrel 25 corresponds to the stop door 26, and the composite manufacturing device has the effect of collecting the materials and further comprises:

referring to fig. 1, 2 and 4, two cross bars 2 are respectively installed between the left side wall and the right side wall of the inside of the casing 1 and are arranged in parallel to each other, crushing cutters 3 are fixedly connected to the outer surfaces of the two cross bars 2, the crushing cutters 3 are in a cylindrical shape, a plurality of cutter teeth are welded to the outer surfaces of the crushing cutters 3, the number of the cutters is more than ten, the cutters are uniformly distributed on the outer surfaces of the crushing cutters 3, the crushing cutters 3 are welded to the outer surfaces of the cross bars 2, the cutter teeth on the outer surfaces of the two crushing cutters 3 are mutually staggered to avoid mutual collision of the cutter teeth, the safety of the device is improved, the left ends of the two cross bars 2 penetrate through and extend to the outside of the casing 1 and are fixedly connected with transmission gears 5, the two transmission gears 5 are mutually meshed, a first motor 6 is fixedly connected to the outer surface of the casing 1, the output, a first filter screen 7 is fixedly connected between the left side wall and the right side wall inside the casing 1, when the machine is used, a material is placed in the casing 1, the first motor 6 drives the two cross rods 2 to rotate relatively through the two meshed transmission gears 5, and the two cross rods 2 further drive the crushing cutter 3 to rotate, so that the material is extruded and crushed, large materials are crushed, and subsequent processing is facilitated;

in addition, in consideration of the possibility of falling of large stones which are not fully crushed, the crushing cutter is also provided with a first filter screen which is fixed below the crushing cutter through a pressure bearing frame, the surface of the first filter screen is provided with convex teeth, and the distance between the highest point of the convex teeth and the highest point of the crushing cutter 3 is smaller than the aperture of the first filter screen; the crushing function is also realized between the filter screen and the crushing cutter 3, and the crushing effect is improved;

in addition, the reciprocating impact movement of the impact plate 22 is realized by utilizing the clearance ascending function of the meshing of the incomplete gear and the toothed bar and the elasticity of the elastic telescopic rod, so that the stone is crushed or cracked, and the effective crushing of rolling is facilitated.

Referring to fig. 1 to 7, a second motor 8 having one is installed on the left side of the casing 1, the left side of the casing 1 is fixedly connected with two motor bases, the upper surface of the second motor is fixedly connected with the first motor 6 and the second motor 8 respectively, so as to provide a supporting force and a certain working height for the first motor 6 and the second motor 8, the output end of the second motor 8 is fixedly connected with a threaded rotating shaft 9, the outer surface of the threaded rotating shaft 9 is connected with a threaded sleeve 10 in a threaded manner, a slide rod 11 is fixedly connected between the left side wall and the right side wall of the interior of the casing 1, the outer surface of the slide rod 11 is sleeved with a sliding sleeve 12, the sliding sleeve 12 can slide along the direction of the slide rod 11, a rotating rod 13 is rotatably connected between the threaded sleeve 10 and the side opposite to the sliding sleeve 11, the outer surface of the rotating rod 13 is fixedly connected with a rolling wheel 14, the rolling wheel 14 is a high, when the metal plate 2203 is one of an iron plate and a steel plate, the metal plate has the advantages of low cost, high pressure and long service life, when the metal plate is used, materials are crushed by the arranged second motor 8, the materials fall down along the guide plate 27 through the first filter screen 7 under the action of gravity, the second motor 8 drives the threaded rotating shaft 9 to rotate so that the threaded sleeve 10 and the sliding sleeve 12 move along the direction of the sliding rod 11, when the metal plate moves, the rotating rod 13 drives the rolling wheel 14 to rotate and advance under the meshing action of the rack 23 and the gear 24, and the rolling wheel 14 rolls on the upper surface of the second filter screen 24 to crush the materials;

the support 15, the vertical cross-section projection is L-shaped, and fixed mounting is between the upper surface of the threaded sleeve 10 and the upper surface of the sliding sleeve 11, the outer surface of the support 15 is provided with a crankshaft 16 in an inserting manner, the crankshaft 16 and the rotating rod 13 are arranged in parallel, both ends of the crankshaft 16 and the outer surface of the rotating rod 13 are both fixedly connected with transmission chain wheels 17, a guide plate 27 is fixedly connected between the inner side wall of the casing 1, the included angle between the guide plate 27 and the casing 1 is forty five, the guide plate 27 is positioned above the transmission chain wheels 17 to play a role of guiding, the transmission chain wheels 17 are four in number and are divided into a front group and a rear group, a transmission chain 18 is respectively connected between the outer surfaces of the two transmission chain wheels 17 in each group in a transmission manner, a shaft sleeve 19 is sleeved on the outer surface of the crankshaft 16, a connecting rod 20 is fixedly connected, the upper surface of the striking plate 22 is hinged with the connecting rod 20;

referring to fig. 8, the impact plate 22 includes a mounting plate 2201, a spring plate 2202 is fixedly connected to the lower surface of the mounting plate 2201, a metal plate 2203 is fixedly connected to the lower surface of the spring plate 2202, the upper surface of the mounting plate 2201 is hinged to the connecting rod 20, and the spring plate 2202 has certain flexibility so as to avoid great damage to the metal plate 2203 caused by too high hardness of the material;

referring to fig. 2, two racks 23 are provided, and are respectively and fixedly installed between the left side wall and the right side wall inside the casing 1, and are arranged in parallel, the outer surface of the rotating rod 13 is fixedly connected with two gears 28, the two gears 28 are engaged with the racks 23, the left side wall and the right side wall inside the casing 1 are fixedly connected with a second filter screen 24, the outer surface of the rolling wheel 14 is abutted against the second filter screen 24 and can roll on the upper surface thereof, when in use, the rolling wheel 14 can roll on the upper surface of the second filter screen 24 when the second motor 8 drives the threaded rotating shaft 9 to rotate through the arranged second motor 8, when the rolling wheel rolls, the rotating rod 13 rotates, the crankshaft 16 is driven to rotate through two sets of driving sprockets 17 and the driving chains 18, when the crankshaft 16 rotates, the impact plate 22 is pulled to reciprocate up and down through the sleeve 19 and the connecting rod 20, the impact plate 22 crushes the material on the upper surface of the second filter screen 24, play the purpose of further improving the crushing effect of material, second motor 8 through the setting, when second motor 8 drives screw thread pivot 9 rotatory, can make rolling wheel 14 roll at the upper surface of second filter screen 24, the lower fixed surface of second filter screen 24 is connected with funnel 28, funnel 28 is located the upper surface of material bucket 25, play the effect of gathering materials, guarantee that the material can both fall into in material bucket 25, when it rolls, bull stick 13 is rotatory, through two sets of drive sprocket 17 and drive chain 18, it is rotatory to drive bent axle 16, bent axle 16 is when rotating, axle sleeve 19 and connecting rod 20 through the cover is established, pulling striking plate 22 up-and-down reciprocating motion, striking plate 22 smashes the material of second filter screen 24 upper surface, play the purpose of further improving the crushing effect of material.

To sum up, this device is made with regeneration aggregate for building rubbish, when using, place the material in casing 1, through the first motor 6 that sets up, first motor 6 drives two horizontal poles 2 relative rotations through two meshed drive gear 5, and two horizontal poles 2 and then drive crushing cutter 3 rotatoryly, and then extrude the breakage with the material, with the bold material breakage, make things convenient for subsequent processing.

This device is made to regeneration aggregate for building rubbish, when using, through the second motor 8 that sets up, after the material is through broken, through first filter screen 7, fall down along guide plate 27 under the effect of gravity, through the second motor 8 that sets up, second motor 8 drives screw thread pivot 9 rotatory, make threaded sleeve 10 and sliding sleeve 12 remove along the direction of litter 11, when removing, under the meshing effect of rack 23 and gear 24, bull stick 13 drives rolling wheel 14 and rotates and advance, rolling wheel 14 rolls on second filter screen 24 upper surface, play the effect of smashing the material.

This device is made to recycled aggregate for building rubbish, when using, through the second motor 8 that sets up, when second motor 8 drives screw thread pivot 9 rotatory, can make rolling wheel 14 roll at the upper surface of second filter screen 24, when it rolls, bull stick 13 is rotatory, through two sets of drive sprocket 17 and drive chain 18, it is rotatory to drive bent axle 16, bent axle 16 is when rotating, axle sleeve 19 and connecting rod 20 through the cover is established, pulling striking plate 22 up-and-down reciprocating motion, striking plate 22 smashes the material of second filter screen 24 upper surface, play the purpose of the crushing effect of further improvement material.

The standard parts used in the present application document can be purchased from the market, and can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts the conventional means matured in the prior art, the machines, the parts and the equipment adopt the conventional types in the prior art, the circuit connection adopts the conventional connection mode in the prior art, no specific description is provided here, meanwhile, the electric elements appearing in the specification are electrically connected with the external main controller and the mains supply, the peripheral controller mentioned in the specification can play a control role for the electric elements mentioned in the specification, and the peripheral controller is the conventional known equipment.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Composite manufacturing installation of building rubbish preparation regeneration aggregate includes casing (1), its characterized in that still includes: the two cross rods (2) are respectively installed between the left side wall and the right side wall of the inner part of the shell (1) and are arranged in parallel, the outer surfaces of the two cross rods (2) are fixedly connected with crushing cutters (3), and the two crushing cutters (3) are synchronously driven by a first motor (6) through the two transmission gears (5); a first filter screen (7) is fixedly connected between the left side wall and the right side wall of the interior of the machine shell (1); the first filter screen (7) is fixed below the crushing cutter (3) through a pressure-bearing frame, and convex teeth are arranged on the surface of the first filter screen; the distance between the highest point of the convex teeth and the highest point of the crushing cutter (3) is smaller than the aperture of the first filter screen (7);

the second motor (8) is installed on the left side face of the machine shell (1), a threaded rotating shaft (9) is fixedly connected to the output end of the second motor (8), a threaded sleeve (10) is connected to the outer surface of the threaded rotating shaft (9) in a threaded mode, a rotating rod (13) is rotatably connected between the threaded sleeve (10) and one side, opposite to the sliding sleeve (11), of the rotating rod, and a rolling wheel (14) is fixedly connected to the outer surface of the rotating rod (13);

the outer surface of the support (15) is provided with a crankshaft (16) in an inserting mode, two ends of the crankshaft (16) and the outer surface of the rotating rod (13) are fixedly connected with transmission chain wheels (17), the number of the transmission chain wheels (17) is four, the transmission chain wheels are divided into a front group and a rear group, a transmission chain (18) is connected between the outer surfaces of the two transmission chain wheels (17) in each group in a transmission mode, a shaft sleeve (19) is sleeved on the outer surface of the crankshaft (16), a toothed rod (20) is fixedly connected to the outer surface of the shaft sleeve (19), two elastic telescopic rods (21) are fixedly connected to the lower surface of the support (15), a striking plate (22) is fixedly connected between the bottom ends of the two elastic telescopic rods (21), and the upper surface of the striking plate (22) is hinged to the; the inner side of the transmission chain wheel (17) is provided with a coaxial incomplete gear, and the incomplete gear is meshed with the rack bar (20); when the incomplete gear is meshed with the toothed bar (20), the impact plate (22) rises, and when the toothed bar rises to the highest point, the engagement is lost, so that the impact plate (22) quickly falls under the action of the elastic telescopic rod (21).

2. The composite manufacturing device for preparing recycled aggregate from construction waste according to claim 1, characterized in that: the left ends of the two cross rods (2) penetrate through and extend to the outer side of the machine shell (1), the two cross rods are fixedly connected with transmission gears (5), the two transmission gears (5) are meshed with each other, the outer surface of the machine shell (1) is fixedly connected with a first motor (6), and the output end of the first motor (6) is fixedly connected with the left end of the cross rod (2) on the outer side; a sliding rod (11) is fixedly connected between the left side wall and the right side wall of the interior of the machine shell (1), a sliding sleeve (12) is sleeved on the outer surface of the sliding rod (11), and the sliding sleeve (12) can slide along the direction of the sliding rod (11); the projection of the vertical section of the support (15) is L-shaped, the support is fixedly installed between the threaded sleeve (10) and the upper surface of the sliding sleeve (11), and the crankshaft (16) and the rotating rod (13) are arranged in parallel.

3. The composite manufacturing device for preparing recycled aggregate from construction waste according to claim 1, characterized in that: rack (23), have two, and respectively fixed mounting be parallel arrangement between the inside left side wall of casing (1) and the right side wall, the outer fixed surface of bull stick (13) is connected with two gears (28), two gear (28) with rack (23) intermeshing, fixedly connected with second filter screen (24) between the inside left side wall of casing (1) and the right side wall, the surface of rolling wheel (14) with second filter screen (24) butt to can roll on its upper surface.

4. The composite manufacturing device for preparing recycled aggregate from construction waste according to claim 1, characterized in that: the material barrel (25) is placed on the bottom wall of the inner portion of the machine shell (1), a stop door (26) is formed in the outer surface of the machine shell (1), and the material barrel (25) corresponds to the stop door (26).

5. The composite manufacturing device for preparing recycled aggregate from construction waste according to claim 1, characterized in that: the left side face of the machine shell (1) is fixedly connected with two motor bases, and the upper surface of each motor base is fixedly connected with the first motor (6) and the second motor (8) respectively.

6. The composite manufacturing device for preparing recycled aggregate from construction waste according to claim 1, characterized in that: broken cutter (3) are cask form, and the outer skin weld has a plurality of sword teeth, the quantity of cutter is greater than ten, and evenly distributed is in the surface of broken cutter (3), broken cutter (3) welding is in the surface of horizontal pole (2), and two the sword tooth of broken cutter (3) surface is crisscross each other.

7. The composite manufacturing device for preparing recycled aggregate from construction waste according to claim 1, characterized in that: fixedly connected with guide plate (27) between the inside lateral wall of casing (1), guide plate (27) with the contained angle between casing (1) is forty-five, guide plate (27) are located the top of driving sprocket (17).

8. The composite manufacturing device for preparing recycled aggregate from construction waste according to claim 1, characterized in that: the rolling wheel (14) is a high-hardness and high-strength metal component, and the mass of the rolling wheel is more than one hundred kilograms.

9. The composite manufacturing device for preparing recycled aggregate from construction waste according to claim 1, characterized in that: the impact plate (22) comprises a mounting plate (2201), the lower surface of the mounting plate (2201) is fixedly connected with a spring plate (2202), the lower surface of the spring plate (2202) is fixedly connected with a metal plate (2203), the upper surface of the mounting plate (2201) is hinged to the connecting rod (20), the metal plate (2203) is one of an iron plate and a steel plate, the lower surface of the second filter screen (24) is fixedly connected with a funnel (28), and the funnel (28) is located on the upper surface of the material barrel (25).

10. A method for preparing recycled aggregate by using construction waste is characterized by comprising the following steps: a composite manufacturing apparatus for manufacturing recycled aggregate using the construction waste according to any one of claims 1 to 9.