CN114602626B - Recycled concrete production system and process thereof - Google Patents

Abstract

The invention discloses a recycled concrete production system, which comprises a bottom plate, wherein the top of the bottom plate is provided with a vibration screening part, a stirring part, a feeding part and a crushing part in sequence from left to right; the vibration screening part consists of a stable rotating mechanism, a vibration buffer mechanism and a screening mechanism; the feeding part comprises a first screw feeder, a second screw feeder and a telescopic moving mechanism, and the front side and the rear side of the first screw feeder are fixedly connected with second support columns; the crushed aggregates part comprises coarse fodder grinder, first guide hopper, fine fodder grinder, second guide hopper and water conservancy diversion return bend pipeline that from the top down set gradually, and the bin outlet has been seted up to the bottom of first guide hopper to the one end of water conservancy diversion return bend pipeline is linked together with the bottom output of second guide hopper. The invention is convenient for recycling and producing the concrete slag blocks to obtain the recycled concrete, reduces the waste of raw materials used for manufacturing the concrete and greatly reduces the cost.

Description

Recycled concrete production system and process thereof

Technical Field

The invention relates to the technical field of recycled concrete production, in particular to a recycled concrete production system and a process thereof.

Background

Concrete, abbreviated as "concrete": refers to the collective term for engineering composite materials in which aggregate is consolidated into a whole by a cementitious material. The term concrete generally refers to cement as a cementing material, sand and stone as aggregate; the cement concrete, also called ordinary concrete, obtained by mixing the cement concrete with water (which can contain additives and admixtures) according to a certain proportion is widely applied to civil engineering.

At present, when the concrete is used in a construction site, a large amount of overflowed concrete is easy to generate, the overflowed concrete can be solidified into concrete slag blocks with different sizes, and when the construction site is cleaned later, the concrete slag blocks are usually buried or directly discarded as construction waste, so that waste is caused to raw materials used for manufacturing the concrete, the raw materials cannot be recycled and reused, and the cost is greatly increased.

Disclosure of Invention

The invention aims to overcome the problems in the prior art and provide a recycled concrete production system and a process thereof, which are convenient for recycling and producing the concrete slag blocks to obtain the recycled concrete, reduce the waste of raw materials used for manufacturing the concrete and greatly reduce the cost.

In order to achieve the technical purpose and the technical effect, the invention is realized by the following technical scheme:

the regenerated concrete production system comprises a bottom plate, wherein the top of the bottom plate is provided with a vibration screening part, a stirring part, a feeding part and a crushing part in sequence from left to right;

the vibration screening part consists of a stable rotating mechanism, a vibration buffer mechanism and a screening mechanism;

the feeding part comprises a first screw feeder, a second screw feeder and a telescopic moving mechanism, and the front side and the rear side of the first screw feeder are fixedly connected with second support columns;

the crushing part comprises a coarse material crusher, a first guide hopper, a fine material crusher, a second guide hopper and a guide bent pipeline which are sequentially arranged from top to bottom, one end of the guide bent pipeline is communicated with the bottom output end of the second guide hopper, a discharge opening is formed in the bottom end of the first guide hopper, and the coarse material crusher and the fine material crusher are fixedly arranged on a bottom plate through a supporting frame.

Preferably, the first screw feeder and the second screw feeder are both composed of a feeding cylinder, a feeding screw, a feeding port, a discharging port, a slave bevel gear, a cylinder cover, a short shaft, a main bevel gear and a feeding motor, wherein the cylinder cover is fixedly connected to the top of the feeding cylinder, the short shaft is rotationally connected to the inner cavity of the cylinder cover, the feeding motor is located at the side of the cylinder cover, the power output end of the feeding motor is connected with the short shaft, the feeding port is formed in the bottom end of the outer wall of the feeding cylinder, the main bevel gear is fixedly connected to the short shaft, the discharging port is formed in the top end of the outer wall of the feeding cylinder, the feeding screw is rotationally connected to the inner cavity of the feeding cylinder, the slave bevel gear is fixedly connected to one end of the inner cavity of the feeding screw, the slave bevel gear is meshed with the main bevel gear, and the other end of the guide bent pipeline is communicated with the inner cavity of the feeding cylinder in the first screw feeder through the feeding port on the first screw feeder.

The crushed aggregates conveyed into the diversion bend pipeline are conveniently conveyed into the first screw feeder based on the technical characteristics, so that the first screw feeder is convenient for conveying the crushed aggregates from bottom to top.

Preferably, the telescopic moving mechanism comprises a sleeve seat and a supporting plate, the sleeve seat is sleeved on the outer wall of the second screw feeder in a sliding manner, the supporting plate is fixedly connected on the outer wall of the second screw feeder, hydraulic pushing rods are arranged on the upper side and the lower side of the sleeve seat respectively, the power telescopic ends of the hydraulic pushing rods are fixedly connected with the supporting plate respectively, first supporting columns are fixedly connected on the front side and the rear side of the sleeve seat respectively, and the bottoms of the first supporting columns and the second supporting columns are fixedly connected with the bottom plate respectively.

Based on the technical characteristics, the first screw feeder and the second screw feeder are convenient to stably support on the bottom plate.

Preferably, the stable rotating mechanism comprises a prism, the outer wall of the prism is fixedly connected with a disc seat, the prism is rotationally connected with a stabilizing frame through the disc seat, the bottom of the stabilizing frame is fixedly connected with a bottom plate, a first forward and reverse rotating motor is arranged at the bottom of an inner cavity of the stabilizing frame, a power output end of the first forward and reverse rotating motor is connected with a speed reducer, and a power output end of the speed reducer is fixedly connected with the bottom of the prism.

Based on the technical characteristics, the driving force is provided through the forward and backward movement of the first forward and backward motor, and then the prism is conveniently driven to stably rotate and adjust on the stabilizing frame under the action of the speed reducer.

Preferably, the vibration buffer mechanism comprises a buffer spring, a top plate, two groups of yielding through grooves and four groups of guiding telescopic rods, the top plate is fixedly connected to the top of the prism, the buffer spring is sleeved on the prism, the front side and the rear side of the buffer spring are respectively provided with a supporting motor, the two groups of supporting motors are respectively fixedly arranged at the top of the stabilizing frame through a machine base, the two groups of right power output ends of the supporting motors are respectively fixedly connected with cams, the two groups of yielding through grooves are respectively arranged at the front side and the rear side of the top of the stabilizing frame, the yielding through grooves correspond to the cams one to one, the four groups of guiding telescopic rods are correspondingly distributed on the front side, the rear side, the left side and the right side of the prism, and the tops of the guiding telescopic rods are fixedly connected with the top plate.

Based on the technical characteristics, dodge when the cam rotates through the yielding through groove, so that the supporting motor is convenient to drive the cam to rotate to vertically move and adjust the screening mechanism, and further the vibration adjustment to the screening mechanism is convenient to vertically and back and forth.

Preferably, the screening mechanism comprises a charging barrel, the first screw feeder and the second screw feeder are distributed on the periphery of the circumference of the charging barrel, a bearing plate is rotated on the outer wall of the charging barrel and is sleeved on a prism in a sliding mode, the bearing plate is located between a guiding telescopic rod and a buffer spring, the top of the bearing plate is fixedly connected with the bottom telescopic end of the guiding telescopic rod, a ring straight gear is fixedly connected with the outer wall of the charging barrel, the ring straight gear is located below the bearing plate, a second positive and negative rotating motor is fixedly installed at the bottom of the bearing plate, a main straight gear is connected with the bottom power output end of the second positive and negative rotating motor, and the main straight gear is meshed with the ring straight gear.

Based on the technical characteristics, the charging barrel is conveniently driven to rotate and adjust clockwise and anticlockwise on the bearing plate when the second forward and backward rotating motor provides forward and backward rotating driving force.

Preferably, the bottom of feed cylinder is provided with screening bottom plate, screening bottom plate's right-hand member and feed cylinder looks switching, both sides all are provided with slope hydraulic telescoping rod around the feed cylinder, slope hydraulic telescoping rod is located the below of ring straight gear, between the top of slope hydraulic telescoping rod and the feed cylinder the bottom power flexible end of slope hydraulic telescoping rod is all rotated between and is connected with screening bottom plate, screening net is installed to screening bottom plate's top gomphosis, screening net's external diameter is greater than the internal diameter of feed cylinder, screening net is coarse material screening net or is fine material screening net.

Based on the technical characteristics, when the bottom of the charging barrel is rotated to be closed through the screening bottom plate, the screening net is clamped and fixed between the screening bottom plate and the charging barrel, so that the screening net does not move when the charging barrel rotates.

Preferably, the stirring part is a stirrer, and the stirrer is located below the charging barrel.

Based on the technical characteristics, the crushed aggregates screened by the material cylinder are convenient to receive.

Preferably, the front side and the rear side of the bottom end of the outer wall of the second screw feeder are fixedly connected with flexible blocking bodies.

Based on the technical characteristics, the feeding hole on the second screw feeder is communicated with the discharging hole, and when the crushed aggregates in the first guide hopper are conveyed to the feeding hole through the discharging hole, the shielding and the flow guiding of the side edges are carried out through the flexible blocking body, so that the crushed aggregates fully enter the feeding hole when being discharged from the discharging hole.

The regenerated concrete production process comprises the following specific steps:

1) When coarse particle crushing is required

S100: the screening net is the installation of coarse fodder screening net:

s101: the cam is driven to rotate through the work of the supporting motor, the protruding end of the cam extends into the yielding through groove, and the work of the supporting motor is stopped;

S102: the first forward and backward rotating motor works to drive the prism to rotate on the stabilizing frame, and the screening mechanism is transferred forwards and removed from the upper part of the stirring part;

s103: the screening bottom plate is driven to rotate and open at the bottom of the charging barrel through the extension of the inclined hydraulic telescopic rod, at the moment, the screening net is selected as the coarse material screening net, then the coarse material screening net is embedded and replaced on the screening bottom plate, the screening bottom plate is driven to rotate and close at the bottom of the charging barrel through the contraction of the inclined hydraulic telescopic rod, and the fixed installation between the charging barrel and the screening bottom plate is completed when the screening net is the coarse material screening net;

s104: starting a first forward and backward rotation motor to rotate opposite to the first forward and backward rotation motor in the step S102, and moving the screening mechanism to the position above the stirring part to reset;

s200: crushing concrete slag blocks: feeding by an excavator, putting the concrete slag blocks into a coarse material crusher, crushing the concrete slag blocks by the coarse material crusher, discharging crushed slag blocks formed by crushing from the bottom of the coarse material crusher, dropping into a first guide hopper, discharging from a discharge hole and inputting into the bottom end of a second screw feeder;

s300: conveying the slag lump materials: conveying the slag lump materials from the bottom end to the upper end through the second screw feeder, and finally discharging the slag lump materials from a discharge hole on the slag lump materials to fall into a charging barrel;

S400: manufacturing coarse particle crushed aggregates:

s401: the supporting motor continuously drives the cam to rotate, so that the bearing plate slides back and forth on the prism, and the screening mechanism is further driven to vibrate back and forth up and down;

s402: meanwhile, the main straight gear is driven to rotate by the forward rotation of the second forward and backward rotation motor, the charging barrel is driven to rotate clockwise and anticlockwise back and forth on the bearing plate by the meshing transmission of the main straight gear and the ring straight gear, and the broken slag lump materials falling into the charging barrel are screened by the coarse material screening net;

s500: production of recycled concrete: the screened coarse particle crushed aggregates fall into a stirrer, and finally cement, sand, stone and water are added into the stirrer to be matched according to a certain proportion, and recycled concrete with raw materials of coarse particle crushed aggregates is obtained through stirring, so that concrete slag blocks on a building construction site are reused;

2) When a small particle of fine particles is desired

S600: the screening net is the installation of fine material screening net:

s601: the cam is driven to rotate through the work of the supporting motor, the protruding end of the cam extends into the yielding through groove, and the work of the supporting motor is stopped;

s602: the first forward and backward rotating motor works to drive the prism to rotate on the stabilizing frame, and the screening mechanism is transferred forwards and removed from the upper part of the stirring part;

S603: the screening bottom plate is driven to rotate and open at the bottom of the charging barrel through the extension of the inclined hydraulic telescopic rod, and at the moment, raw materials which are not completely crushed into coarse particle particles and remain in the screening slag lump materials in the charging barrel are discharged;

s604: then taking down the coarse material screening net from the screening bottom plate, selecting the screening net as the fine material screening net, then embedding and replacing the fine material screening net on the screening bottom plate, and driving the screening bottom plate to rotate and close at the bottom of the charging barrel by shrinking the inclined hydraulic telescopic rod to finish the fixed installation between the charging barrel and the screening bottom plate when the screening net is the fine material screening net;

s605: starting a first forward and backward rotation motor to rotate opposite to the first forward and backward rotation motor in the step S602, and moving the screening mechanism to the position above the stirring part for resetting;

s700: crushing concrete slag blocks:

s701: the supporting plate is pushed by the extension of the hydraulic push rod, so that the second screw feeder is pushed upwards in the sleeve seat, and the feeding hole and the discharging hole on the second screw feeder are separated in a staggered manner;

s702: feeding the concrete slag blocks into a coarse material crusher through an excavator, crushing the concrete slag blocks through a coarse material crusher, discharging crushed slag blocks formed by crushing from the bottom of the coarse material crusher, falling into a first guide hopper, discharging from a discharge hole, falling into a fine material grinder, and sufficiently grinding the crushed slag blocks through the fine material grinder;

S800: conveying the ground material: the ground material is discharged from the bottom of the fine material grinding mill, falls into a second guide hopper, is discharged from the bottom of the second guide hopper, is conveyed into a guide bent pipeline, is conveyed to the bottom end of a first screw feeder in a guide way through the guide bent pipeline, is conveyed to the upper end from the bottom end through the operation of the first screw feeder, is discharged from a discharge hole on the first screw feeder, and falls into a charging barrel;

s900: manufacturing of fine particle crushed aggregates: repeating the actions of the step S401 and the step S402, and sieving the ground material falling into the charging barrel through a fine material sieving net;

s1000: production of recycled concrete: and finally, adding cement, sand, stone and water into the mixer to match according to a certain proportion, and stirring to obtain the recycled concrete with the raw materials of the fine particles, so that the concrete slag blocks on the building construction site are reused.

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

first: the concrete slag blocks are convenient to crush and grind through the crushed aggregates, raw materials with different thickness degrees are obtained, and the raw materials with different thickness degrees are convenient to separate and convey through the cooperation of the second screw feeder, the first screw feeder, the telescopic moving mechanism and the diversion bend pipeline.

Second,: through the flexible regulation of slope hydraulic telescoping rod, through the normal running fit of screening bottom plate and feed cylinder, through the gomphosis installation effect between screening net and the screening bottom plate, be convenient for change the screening net of different grade type, improve the functionality of this system, also be convenient for discharge the residual raw materials after the screening in the feed cylinder simultaneously, be convenient for reprocess use is the same again.

Third,: through vibration buffer mechanism, the cooperation of second positive and negative rotating electrical machines, main straight gear and ring straight gear to and the normal running fit between feed cylinder and the loading board, also can make a round trip about the vibration about also can carrying out when making a round trip to the feed cylinder clockwise, avoid the raw materials to pile up in the feed cylinder, make screening net screening more abundant, improve screening net's screening effect.

In conclusion, the recycled concrete production system is reasonable in design, the recycled concrete can be obtained by recycling, processing and producing the concrete slag blocks, the recycled concrete with different thickness degree raw materials can be obtained, the waste of raw materials used for manufacturing the concrete is reduced, the cost is greatly reduced, the use is convenient, and the popularization and the use are convenient.

Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a usage state structure of the present invention;

FIG. 2 is a schematic view of the crushed aggregates part of the present invention;

FIG. 3 is a schematic view of the structure of a second screw feeder of the present invention;

FIG. 4 is a schematic view of a telescopic moving mechanism according to the present invention;

FIG. 5 is a schematic view of the vibratory screening portion of the present invention;

FIG. 6 is a schematic diagram of the connection of the screening bottom to the screen of the present invention;

FIG. 7 is a schematic view of the structure of the screening deck of the present invention;

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

100-bottom plate, 200-crushed aggregates part, 201-coarse fodder grinder, 202-first guide hopper, 203-fine fodder grinder, 204-second guide hopper, 205-guide bend pipe, 206-discharge opening, 300-feeding part, 301-first screw feeder, 302-second screw feeder, 3021-feeding cylinder, 3022-feeding screw, 3023-feeding opening, 3024-discharge opening, 3025-slave bevel gear, 3026-cylinder cover, 3027-short shaft, 3028-master bevel gear, 3029-feeding motor, 303-telescopic moving mechanism, 3031-socket, 3032-support plate, 3033-support column, 3034-hydraulic ram, 400-vibration screening part, 401-stable rotating mechanism, 4011-first positive and negative rotating motor, 4012-decelerator, 4013-prism, 4014-stabilizing frame, 4015-disc seat, 402-vibration buffer mechanism, 4021-buffer spring, 4022-supporting motor, 4023-seat, 4024-cam, 4025-yielding groove, 4026-top plate, 4027-guiding telescopic rod, 403-screening mechanism, 4031-second positive and negative rotating motor, 4032-main straight gear, 4033-inclined hydraulic telescopic rod, 4034-screening bottom plate, 4035-ring straight gear, 4036-bearing plate, 4037-charging barrel, 4038-screening net and 500-stirring part.

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.

Example 1

The recycled concrete production system comprises a bottom plate 100, wherein a vibrating screening part 400, a stirring part 500, a feeding part 300 and a crushed aggregates part 200 are sequentially arranged at the top of the bottom plate 100 from left to right (refer to figure 1 in the attached drawing of the specification);

the crushed aggregates part 200 is composed of a coarse fodder grinder 201, a first guide hopper 202, a fine fodder grinder 203, a second guide hopper 204 and a guide bend pipeline 205 which are sequentially arranged from top to bottom, one end of the guide bend pipeline 205 is communicated with the bottom output end of the second guide hopper 204, a fodder discharging port 206 is arranged at the bottom end of the first guide hopper 202, and the coarse fodder grinder 201 and the fine fodder grinder 203 are fixedly arranged on the bottom plate 100 through a supporting frame (refer to fig. 2 in the attached drawing of the specification);

The feeding part 300 comprises a first screw feeder 301, a second screw feeder 302 and a telescopic moving mechanism 303, wherein the front side and the rear side of the first screw feeder 301 are fixedly connected with second support columns (refer to figure 1 in the attached drawing).

Example 2

Based on embodiment 1, the present invention provides another technical solution: the regenerated concrete production system comprises a feeding cylinder 3021, a feeding screw 3022, a feeding port 3023, a discharge port 3024, a bevel gear 3025, a barrel cover 3026, a short shaft 3027, a main bevel gear 3028 and a feeding motor 3029, wherein the barrel cover 3026 is fixedly connected to the top of the feeding cylinder 3021, the short shaft 3027 is rotatably connected to the inner cavity of the barrel cover 3026, the feeding motor 3029 is located beside the barrel cover 3026, the power output end of the feeding motor 3029 is connected to the short shaft 3027, the feeding port 3023 is arranged at the bottom end of the outer wall of the feeding cylinder 3021, the main bevel gear 3028 is fixedly connected to the short shaft 3027, the discharge port 3024 is arranged at the top end of the outer wall of the feeding cylinder 3021, the feeding screw 3022 is rotatably connected to the inner cavity of the feeding cylinder 3021, the feeding screw 3022 extends into the inner cavity of the barrel cover 3026, the bevel gear 3025 is fixedly connected to one end of the feeding screw 3022 extending into the inner cavity of the barrel cover 3026, the bevel gear 3025 is meshed with the main bevel gear 3028, the other end of the diversion bent pipeline 205 is communicated with the inner cavity of the feeding barrel 3021 in the first screw feeder 301 through a feeding port 3023 in the first screw feeder 301, crushed aggregates conveyed into the diversion bent pipeline 205 are conveniently conveyed into the first screw feeder 301, the short shaft 3027 is driven to rotate on the barrel cover 3026 through the feeding motor 3029, the main bevel gear 3028 is further driven to rotate, the feeding screw 3022 is driven to rotate in the feeding barrel 3021 through meshing transmission of the main bevel gear 3028 and the bevel gear 3025, and therefore the crushed aggregates are conveniently conveyed from bottom to top through the first screw feeder 301 and the second screw feeder 302 (see fig. 3 in the attached drawing);

Flexible blocking bodies (refer to fig. 1 in the attached drawings) are fixedly connected to the front side and the rear side of the bottom end of the outer wall of the second screw feeder 302, a feed inlet 3023 on the second screw feeder 302 is communicated with the feed outlet 206, and when crushed aggregates in the first guide hopper 202 are conveyed to the feed inlet 3023 through the feed outlet 206, the side edges are blocked and guided by the flexible blocking bodies, so that the crushed aggregates fully enter the feed inlet 3023 when being discharged from the feed outlet 206;

the telescopic moving mechanism 303 comprises a sleeve seat 3031 and a supporting plate 3032, the sleeve seat 3031 is sleeved on the outer wall of the second screw feeder 302 in a sliding manner, the supporting plate 3032 is fixedly connected on the outer wall of the second screw feeder 302, hydraulic push rods 3034 are respectively arranged on the upper side and the lower side of the sleeve seat 3031, the power telescopic ends of the hydraulic push rods 3034 are fixedly connected with the supporting plate 3032, first supporting columns 3033 are fixedly connected on the front side and the rear side of the sleeve seat 3031, the bottoms of the first supporting columns 3033 and the second supporting columns are fixedly connected with the bottom plate 100, and the first screw feeder 301 and the second screw feeder 302 are conveniently and stably supported on the bottom plate 100 (refer to fig. 4 in the attached drawing of the specification).

Example 3

Based on example 1 and example 2, the present invention provides another technical solution: a recycled concrete production system, a vibration screening part 400 consists of a stable rotating mechanism 401, a vibration buffering mechanism 402 and a screening mechanism 403;

The stable rotating mechanism 401 comprises a prism 4013, a disc seat 4015 is fixedly connected to the outer wall of the prism 4013, a stabilizing frame 4014 is rotatably connected to the prism 4013 through the disc seat 4015, the bottom of the stabilizing frame 4014 is fixedly connected with a bottom plate 100, a first forward and reverse rotating motor 4011 is arranged at the bottom of an inner cavity of the stabilizing frame 4014, a power output end of the first forward and reverse rotating motor 4011 is connected with a speed reducer 4012, the power output end of the speed reducer 4012 is fixedly connected with the bottom of the prism 4013, driving force is provided through forward and reverse movement of the first forward and reverse rotating motor 4011, and then the prism 4013 is conveniently driven to perform stable rotation adjustment on the stabilizing frame 4014 under the action of the speed reducer 4012;

the vibration buffer mechanism 402 comprises a buffer spring 4021, a top plate 4026, two groups of yielding through grooves 4025 and four groups of guiding telescopic rods 4027, the top plate 4026 is fixedly connected to the top of a prism 4013, the buffer spring 4021 is sleeved on the prism 4013, supporting motors 4022 are arranged on the front side and the rear side of the buffer spring 4021, the two groups of supporting motors 4022 are fixedly arranged on the top of a stabilizing frame 4014 through a base 4023 respectively, a cam 4024 is fixedly connected to the right side power output end of the two groups of supporting motors 4022, the two groups of yielding through grooves 4025 are respectively arranged on the front side and the rear side of the top of the stabilizing frame 4014, the yielding through grooves 4025 correspond to the cams 4024 one by one, the four groups of guiding telescopic rods 4027 are correspondingly distributed on the front side, the rear side, the left side and the right side of the prism 4013, the top of the guiding telescopic rods 4027 are fixedly connected to the top plate 4026, and the supporting motors 4025 are used for avoiding when the cams 4024 rotate, so that the supporting motors 4022 drive the cams 4 to move up and down to adjust the screening mechanism 403, and further adjust the vibration of the screening mechanism 402up and down;

The sieving mechanism 403 includes a cylinder 4037, the first screw feeder 301 and the second screw feeder 302 are distributed around the circumference of the cylinder 4037, the stirring part 500 is a stirrer, the stirrer is located below the cylinder 4037, so as to receive the crushed aggregates sieved by the cylinder 4037 (refer to fig. 1 in the specification), the outer wall of the cylinder 4037 is rotated with a bearing plate 4036, the bearing plate 4036 is slidingly sleeved on the prism 4013, the bearing plate 4036 is located between a guiding telescopic rod 4027 and a buffer spring 4021, the top of the bearing plate 4036 is fixedly connected with the bottom telescopic end of the guiding telescopic rod 4027, the bearing plate 4036 is stably guided when the prism 4013 slides up and down by the telescopic rod 4027, the outer wall of the cylinder 4037 is fixedly connected with a ring straight gear 4035, the ring straight gear 4035 is located below the bearing plate 4036, the bottom of the bearing plate 4036 is fixedly provided with a second forward and backward motor 4031, the bottom power output end of the second forward and backward rotating motor 4031 is connected with a main straight gear 4032, the main straight gear 4032 is meshed with a ring straight gear 4035, so that when the second forward and backward rotating motor 4031 provides forward and backward rotating driving force, a charging barrel 4037 is driven to rotate and adjust clockwise and anticlockwise on a bearing plate 4036, a screening bottom plate 4034 (refer to fig. 7 in the attached drawing of the specification) is arranged at the bottom of the charging barrel 4037, the right end of the screening bottom plate 4034 is connected with the charging barrel 4037 in a switching mode, inclined hydraulic telescopic rods 4033 are arranged on the front side and the rear side of the charging barrel 4037, the inclined hydraulic telescopic rods 4033 are located below the ring straight gear 4035, and the top ends of the inclined hydraulic telescopic rods 4033 are connected with the charging barrel 4037 in a rotating mode, and the bottom power telescopic ends of the inclined hydraulic telescopic rods 4033 are connected with the screening bottom plate 4034 in a switching mode (refer to fig. 5 in the attached drawing of the specification);

The top of screening bottom plate 4034 gomphosis installs screening net 4038, screening net 4038 be coarse material screening net or be the fine material screening net, and the aperture of coarse material screening net is greater than the aperture of fine material screening net, and screening net 4038's external diameter is greater than the internal diameter of feed cylinder 4037, and when the rotation of feed cylinder 4037 bottom was closed through screening bottom plate 4034, the clamping fixation was carried out to screening net 4038 between screening bottom plate 4034 and feed cylinder 4037 to make screening net 4038 not drunkenness when being convenient for feed cylinder 4037 to rotate (see figure 6 in the attached drawing of the specification).

The regenerated concrete production process comprises the following specific steps:

1) When coarse particle crushing is required

S100: screen 4038 is the installation of coarse screening screen:

s101: starting the supporting motor 4022, driving the cam 4024 to rotate through the operation of the supporting motor 4022, extending the protruding end of the cam into the yielding through groove 4025, and stopping the operation of the supporting motor 4022;

s102: the first forward and reverse rotation motor 4011 is started, the prism 4013 is driven to rotate on the stabilizing frame 4014 through the disc seat 4015 by the operation of the first forward and reverse rotation motor 4011, the screening mechanism 403 is transferred forwards and removed from the upper part of the stirring part 500, and then the operation of 4011 is stopped;

S103: starting an inclined hydraulic telescopic rod 4033, driving a screening bottom plate 4034 to rotate and open at the bottom of a charging barrel 4037 through extension of the inclined hydraulic telescopic rod 4033, stopping the operation of the inclined hydraulic telescopic rod 4033 after the screening bottom plate 4034 is observed to be opened to a proper position, selecting a screening net 4038 as a coarse material screening net at the moment, embedding and replacing the coarse material screening net on the screening bottom plate 4034, restarting the inclined hydraulic telescopic rod 4033, driving the screening bottom plate 4034 to rotate and close at the bottom of the charging barrel 4037 through contraction of the inclined hydraulic telescopic rod 4033, and finally stopping the operation of the inclined hydraulic telescopic rod 4033 to finish the fixed installation between the charging barrel 4037 and the screening bottom plate 4034 when the screening net 4038 is the coarse material screening net;

s104: starting the first forward and reverse rotation motor 4011, rotating opposite to the first forward and reverse rotation motor 4011 in the step S102, moving the sieving mechanism 403 to the upper part of the stirring part 500 for resetting, and stopping the first forward and reverse rotation motor 4011;

s200: crushing concrete slag blocks: starting the coarse fodder grinder 201, the second screw feeder 302, the supporting motor 4022 and the second forward and backward rotating motor 4031, feeding the concrete slag blocks into the coarse fodder grinder 201 through the excavator, grinding the concrete slag blocks through the work of the coarse fodder grinder 201, discharging the crushed slag blocks formed by grinding from the bottom of the coarse fodder grinder 201, falling into the first guide hopper 202, and then discharging from the discharge port 206 and inputting to the bottom end of the second screw feeder 302;

S300: conveying the slag lump materials: the second screw feeder 302 is operated to convey the slag lump materials from the bottom end to the upper end, and finally the slag lump materials are discharged from a discharge hole 3024 on the slag lump materials and fall into a charging barrel 4037;

s400: manufacturing coarse particle crushed aggregates:

s401: the cam 4024 is driven to rotate through the operation of the supporting motor 4022, when the convex end of the cam 4024 rotates upwards, the cam slides upwards on the prism 4013 gradually against the supporting plate 4036, the guide telescopic rod 4027 is extruded to shrink, after the convex end of the cam 4024 rotates to the highest position, the convex end of the cam 4024 rotates downwards, when the convex end of the cam 4024 rotates downwards, the supporting plate 4036 is driven to slide downwards on the prism 4013 through the dead weight of the screening mechanism 403, the guide telescopic rod 4027 is driven to extend downwards, the supporting plate 4036 extrudes the buffer spring 4021 when the supporting plate 4036 slides downwards on the prism 4013, the supporting motor 4022 continuously drives the cam 4024 to rotate, the supporting plate 4036 slides upwards and downwards on the prism 4013, and further drives the screening mechanism 403 to vibrate upwards and downwards;

S402: simultaneously, the main straight gear 4032 is driven to rotate by the forward rotation of the second forward and backward rotation motor 4031, the charging barrel 4037 is driven to rotate back and forth clockwise and anticlockwise on the bearing plate 4036 by the meshing transmission of the main straight gear 4032 and the ring straight gear 4035, and the broken slag lump materials falling into the charging barrel 4037 are screened by the coarse material screening net;

s500: production of recycled concrete: and finally, adding cement, sand, stone and water into the mixer to match according to a certain proportion, and stirring to obtain the recycled concrete with the raw materials of the coarse particles, so that the concrete slag blocks on the building construction site are reused.

2) When a small particle of fine particles is desired

S600: screen 4038 is the installation of a fine screening screen:

s601: starting the supporting motor 4022, driving the cam 4024 to rotate through the operation of the supporting motor 4022, extending the protruding end of the cam into the yielding through groove 4025, and stopping the operation of the supporting motor 4022;

s602: the first forward and reverse rotation motor 4011 is started, the prism 4013 is driven to rotate on the stabilizing frame 4014 through the disc seat 4015 by the operation of the first forward and reverse rotation motor 4011, the screening mechanism 403 is transferred forwards and removed from the upper part of the stirring part 500, and then the operation of 4011 is stopped;

S603: starting the inclined hydraulic telescopic rod 4033, driving the screening bottom plate 4034 to rotate and open at the bottom of the charging barrel 4037 through the extension of the inclined hydraulic telescopic rod 4033, stopping the operation of the inclined hydraulic telescopic rod 4033 after observing that the screening bottom plate 4034 is opened to a proper position, discharging the raw materials which are not completely crushed into coarse particle particles and remain in the screening slag lump materials in the charging barrel 4037, and loading the raw materials by using a box body, so that the follow-up repeated re-crushing and utilization are facilitated;

s604: then the coarse material screening net is taken down from the screening bottom plate 4034, the screening net 4038 is selected as the fine material screening net, then the fine material screening net is embedded and replaced on the screening bottom plate 4034, the inclined hydraulic telescopic rod 4033 is started, the screening bottom plate 4034 is driven to rotate and close at the bottom of the charging barrel 4037 through shrinkage of the inclined hydraulic telescopic rod 4033, and finally the inclined hydraulic telescopic rod 4033 is stopped to work, so that the fixed installation between the charging barrel 4037 and the screening bottom plate 4034 is completed when the screening net 4038 is the fine material screening net;

s605: starting the first forward and reverse rotation motor 4011, rotating opposite to the first forward and reverse rotation motor 4011 in the step S602, moving the sieving mechanism 403 to the upper part of the stirring part 500 for resetting, and stopping the first forward and reverse rotation motor 4011;

S700: crushing concrete slag blocks:

s701: the hydraulic push rod 3034 is started, the supporting plate 3032 is pushed by the extension of the hydraulic push rod 3034, the second screw feeder 302 is pushed upwards in the sleeve seat 3031 to move, the feeding port 3023 on the second screw feeder 302 is separated from the discharging port 206 in a dislocation manner, and then the extension of the hydraulic push rod 3034 is stopped;

s702: starting a coarse material crusher 201, a fine material crusher 203, a first screw feeder 301, a supporting motor 4022 and a second forward and backward rotating motor 4031, feeding concrete slag blocks into the coarse material crusher 201 through feeding by the excavator, crushing the concrete slag blocks through the operation of the coarse material crusher 201, discharging crushed slag blocks formed by crushing from the bottom of the coarse material crusher 201, falling into a first guide hopper 202, discharging from a discharge hole 206, falling into the fine material crusher 203, and sufficiently grinding the crushed slag blocks through the fine material crusher 203;

s800: conveying the ground material: the ground material is discharged from the bottom of the fine material grinder 203, falls into the second guide hopper 204, is discharged from the bottom of the second guide hopper 204, is conveyed into a diversion bend pipeline 205, is conveyed to the bottom end of the first screw feeder 301 in a diversion way through the diversion bend pipeline 205, is conveyed to the upper end from the bottom end through the operation of the first screw feeder 301, is discharged from a discharge hole 3024 on the upper end, and falls into a charging barrel 4037;

S900: manufacturing of fine particle crushed aggregates: repeating the actions of step S401 and step S402, sieving the ground material falling into the barrel 4037 through a fine material sieving net;

s1000: production of recycled concrete: and finally, adding cement, sand, stone and water into the mixer to match according to a certain proportion, and stirring to obtain the recycled concrete with the raw materials of the fine particles, so that the concrete slag blocks on the building construction site are reused.

The coarse crusher 201, the fine crusher 203 and the mixer in the above embodiments are well known to those skilled in the art, and are used only without changing the structure and function thereof.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.

Claims (4)

1. A recycled concrete production system comprising a floor (100), characterized in that: the top of the bottom plate (100) is provided with a vibrating screening part (400), a stirring part (500), a feeding part (300) and a crushing part (200) in sequence from left to right;

the vibration screening part (400) consists of a stable rotating mechanism (401), a vibration buffer mechanism (402) and a screening mechanism (403);

the feeding part (300) comprises a first screw feeder (301), a second screw feeder (302) and a telescopic moving mechanism (303), wherein the front side and the rear side of the first screw feeder (301) are fixedly connected with second support columns;

The crushing part (200) consists of a coarse material crusher (201), a first guide hopper (202), a fine material crusher (203), a second guide hopper (204) and a guide bent pipeline (205) which are sequentially arranged from top to bottom, one end of the guide bent pipeline (205) is communicated with the bottom output end of the second guide hopper (204), a discharge opening (206) is formed in the bottom end of the first guide hopper (202), and the coarse material crusher (201) and the fine material crusher (203) are fixedly arranged on a bottom plate (100) through a support frame;

the first screw feeder (301) and the second screw feeder (302) are composed of a feeding barrel (3021), a feeding screw (3022), a feeding port (3023), a discharging port (3024), a slave bevel gear (3025), a barrel cover (3026), a short shaft (3027), a master bevel gear (3028) and a feeding motor (3029), wherein the barrel cover (3026) is fixedly connected to the top of the feeding barrel (3021), the short shaft (3027) is rotationally connected to the inner cavity of the barrel cover (3026), the feeding motor (3029) is located beside the barrel cover (3026), the power output end of the feeding motor (3029) is connected with the short shaft (3027), the feeding port (3023) is formed in the bottom end of the outer wall of the feeding barrel (3021), the master bevel gear (3028) is fixedly connected to the short shaft (3027), the discharging port (3024) is formed in the top of the outer wall of the feeding barrel (3021), the feeding screw (3022) is rotationally connected to the inner cavity of the feeding barrel (3021), the bevel gear (3022) is meshed with the master bevel gear (3026) from the inner cavity (3026) of the feeding barrel (3026), the other end of the diversion bend pipeline (205) is communicated with the inner cavity of a feeding barrel (3021) in the first screw feeder (301) through a feeding hole (3023) on the first screw feeder (301);

The telescopic moving mechanism (303) comprises a sleeve seat (3031) and a supporting plate (3032), the sleeve seat (3031) is sleeved on the outer wall of the second screw feeder (302) in a sliding mode, the supporting plate (3032) is fixedly connected to the outer wall of the second screw feeder (302), hydraulic push rods (3034) are arranged on the upper side and the lower side of the sleeve seat (3031), the power telescopic end of the hydraulic push rods (3034) is fixedly connected with the supporting plate (3032), first supporting columns (3033) are fixedly connected to the front side and the rear side of the sleeve seat (3031), and the bottoms of the first supporting columns (3033) and the second supporting columns are fixedly connected with the bottom plate (100);

the stabilizing and rotating mechanism (401) comprises a prism (4013), a disc seat (4015) is fixedly connected to the outer wall of the prism (4013), a stabilizing frame (4014) is rotatably connected to the prism (4013) through the disc seat (4015), the bottom of the stabilizing frame (4014) is fixedly connected with a bottom plate (100), a first forward and backward rotating motor (4011) is arranged at the bottom of an inner cavity of the stabilizing frame (4014), a speed reducer (4012) is connected to the power output end of the first forward and backward rotating motor (4011), and the power output end of the speed reducer (4012) is fixedly connected with the bottom of the prism (4013);

the vibration buffering mechanism (402) comprises a buffering spring (4021), a top plate (4026), two groups of yielding through grooves (4025) and four groups of guiding telescopic rods (4027), wherein the top plate (4026) is fixedly connected to the top of a prism (4013), the buffering spring (4021) is sleeved on the prism (4013), supporting motors (4022) are respectively arranged on the front side and the rear side of the buffering spring (4021), the two groups of supporting motors (4022) are fixedly arranged on the top of a stabilizing frame (4014) through bases (4023), the right power output ends of the two groups of supporting motors (4022) are fixedly connected with cams (4024), the two groups of yielding through grooves (4025) are respectively arranged on the front side and the rear side of the top of the stabilizing frame (4014), the yielding through grooves (4025) are in one-to-one correspondence with the cams (4024), the four groups of guiding telescopic rods (4027) are correspondingly distributed on the front side, the rear side, the left side and the right side of the prism of the stabilizing frame (4013), and the tops of the guiding telescopic rods (4027) are fixedly connected with the top plate (4026);

The screening mechanism (403) comprises a charging barrel (4037), the first screw feeder (301) and the second screw feeder (302) are distributed on the periphery of the circumference of the charging barrel (4037), a bearing plate (4036) is rotated on the outer wall of the charging barrel (4037), the bearing plate (4036) is sleeved on a prism (4013) in a sliding mode, the bearing plate (4036) is positioned between a guiding telescopic rod (4027) and a buffering spring (4021), the top of the bearing plate (4036) is fixedly connected with the bottom telescopic end of the guiding telescopic rod (4027), a ring straight gear (4035) is fixedly connected with the outer wall of the charging barrel (4037), the ring straight gear (4035) is positioned below the bearing plate (4036), a second forward and backward motor (4031) is fixedly arranged at the bottom of the bearing plate (4036), a main gear (4032) is connected with the bottom power output end of the second forward and backward motor (4031), and the main gear (4032) is meshed with the ring straight gear (4035).

The bottom of feed cylinder (4037) is provided with screening bottom plate (4034), the right-hand member of screening bottom plate (4034) is mutually switched with feed cylinder (4037), both sides all are provided with slope hydraulic telescoping rod (4033) around feed cylinder (4037), slope hydraulic telescoping rod (4033) are located the below of ring spur gear (4035), between the top of slope hydraulic telescoping rod (4033) and feed cylinder (4037) the bottom power flexible end of slope hydraulic telescoping rod (4033) is all rotated between screening bottom plate (4034), screening net (4038) are installed in the gomphosis of the top of screening bottom plate (4034), the external diameter of screening net (4038) is greater than the internal diameter of feed cylinder (4037), screening net (4038) are coarse fodder screening net or are fine material screening net.

2. A recycled concrete production system according to claim 1, wherein: the stirring part (500) is a stirrer, and the stirrer is positioned below the charging barrel (4037).

3. A recycled concrete production system according to claim 1, wherein: and flexible blocking bodies are fixedly connected to the front side and the rear side of the bottom end of the outer wall of the second screw feeder (302).

4. A process for producing a recycled concrete production system according to any one of claims 1 to 3, characterized in that: the method comprises the following specific steps:

1) When coarse particle crushing is required

S100: the screening net (4038) is the installation of coarse material screening net:

s101: the cam (4024) is driven to rotate by the work of the supporting motor (4022), the protruding end of the cam extends into the yielding through groove (4025), and the work of the supporting motor (4022) is stopped;

s102: the prism (4013) is driven to rotate on the stabilizing frame (4014) through the operation of the first forward and reverse rotating motor (4011), the screening mechanism (403) is transferred forwards, and the screening mechanism is removed from the upper part of the stirring part (500);

s103: the screening bottom plate (4034) is driven to rotate and open at the bottom of the charging barrel (4037) through the extension of the inclined hydraulic telescopic rod (4033), at the moment, the screening net (4038) is selected to be a coarse material screening net, then the coarse material screening net is embedded and replaced on the screening bottom plate (4034), the screening bottom plate (4034) is driven to rotate and close at the bottom of the charging barrel (4037) through the contraction of the inclined hydraulic telescopic rod (4033), and the fixed installation between the charging barrel (4037) and the screening bottom plate (4034) is completed when the screening net (4038) is the coarse material screening net;

S104: starting a first forward and backward rotation motor (4011), rotating opposite to the first forward and backward rotation motor (4011) in the step S102, and moving a screening mechanism (403) above the stirring part (500) for resetting;

s200: crushing concrete slag blocks: feeding by an excavator, putting concrete slag blocks into a coarse material crusher (201), crushing the concrete slag blocks by the operation of the coarse material crusher (201), discharging crushed slag blocks formed by crushing from the bottom of the coarse material crusher (201), dropping into a first guide hopper (202), and then discharging from a discharge port (206) and inputting into the bottom end of a second screw feeder (302);

s300: conveying the slag lump materials: conveying the slag lump materials from the bottom end to the upper end through a second screw feeder (302), and finally discharging the slag lump materials from a discharge hole (3024) on the slag lump materials to fall into a charging barrel (4037);

s400: manufacturing coarse particle crushed aggregates:

s401: the supporting motor (4022) continuously drives the cam (4024) to rotate, so that the bearing plate (4036) slides back and forth on the prism (4013) to further drive the screening mechanism (403) to vibrate back and forth up and down;

s402: meanwhile, the main straight gear (4032) is driven to rotate through the forward rotation of the second forward and reverse rotation motor (4031), the charging barrel (4037) is driven to rotate back and forth clockwise and anticlockwise on the bearing plate (4036) through the meshing transmission of the main straight gear (4032) and the ring straight gear (4035), and the broken slag lump materials falling into the charging barrel (4037) are screened through the coarse material screening net;

S500: production of recycled concrete: the screened coarse particle crushed aggregates fall into a stirrer, and finally cement, sand, stone and water are added into the stirrer to be matched according to a certain proportion, and recycled concrete with raw materials of coarse particle crushed aggregates is obtained through stirring, so that concrete slag blocks on a building construction site are reused;

2) When a small particle of fine particles is desired

S600: the screening net (4038) is provided with a fine material screening net:

s601: the cam (4024) is driven to rotate by the work of the supporting motor (4022), the protruding end of the cam extends into the yielding through groove (4025), and the work of the supporting motor (4022) is stopped;

s602: the prism (4013) is driven to rotate on the stabilizing frame (4014) through the operation of the first forward and reverse rotating motor (4011), the screening mechanism (403) is transferred forwards, and the screening mechanism is removed from the upper part of the stirring part (500);

s603: the screening bottom plate (4034) is driven to rotate and open at the bottom of the charging barrel (4037) through the extension of the inclined hydraulic telescopic rod (4033), and at the moment, raw materials which are not completely crushed into coarse particles and remain in the screening slag lump materials in the charging barrel (4037) are discharged;

s604: then taking down the coarse material screening net from the screening bottom plate (4034), selecting the screening net (4038) as a fine material screening net, then embedding and replacing the fine material screening net on the screening bottom plate (4034), driving the screening bottom plate (4034) to rotate and close at the bottom of the charging barrel (4037) through shrinkage of the inclined hydraulic telescopic rod (4033), and finishing the fixed installation between the charging barrel (4037) and the screening bottom plate (4034) when the screening net (4038) is the fine material screening net;

S605: starting a first forward and backward rotation motor (4011), rotating opposite to the first forward and backward rotation motor (4011) in the step S602, and moving a screening mechanism (403) above the stirring part (500) for resetting;

s700: crushing concrete slag blocks:

s701: the supporting plate (3032) is pushed by the extension of the hydraulic push rod (3034), so that the second screw feeder (302) is pushed upwards in the sleeve seat (3031), and the feeding hole (3023) on the second screw feeder (302) is separated from the discharging hole (206) in a dislocation manner;

s702: feeding the concrete slag blocks into a coarse material crusher (201) through an excavator, crushing the concrete slag blocks through the operation of the coarse material crusher (201), discharging crushed slag blocks formed by crushing from the bottom of the coarse material crusher (201), dropping the crushed slag blocks into a first guide hopper (202), then discharging the crushed slag blocks from a discharge port (206), dropping the crushed slag blocks into a fine material crusher (203), and sufficiently grinding the crushed slag blocks through the fine material crusher (203);

s800: conveying the ground material: the ground material is discharged from the bottom of the fine material grinding mill (203), falls into a second guide hopper (204), is discharged from the bottom of the second guide hopper (204), is conveyed into a diversion bend pipeline (205), is conveyed to the bottom end of a first screw feeder (301) through diversion of the diversion bend pipeline (205), is conveyed to the upper end from the bottom end through the operation of the first screw feeder (301), is finally discharged from a discharge hole (3024) on the ground material, and falls into a charging barrel (4037);

S900: manufacturing of fine particle crushed aggregates: repeating the actions of the step S401 and the step S402, and sieving the ground material falling into the charging barrel (4037) through a fine material sieving net;

s1000: production of recycled concrete: and finally, adding cement, sand, stone and water into the mixer to match according to a certain proportion, and stirring to obtain the recycled concrete with the raw materials of the fine particles, so that the concrete slag blocks on the building construction site are reused.

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