CN108745567B

CN108745567B - Screening device for crushed construction waste

Info

Publication number: CN108745567B
Application number: CN201810561831.4A
Authority: CN
Inventors: 印宝权; 蒋艳芳; 徐�明; 王小艳
Original assignee: Guangzhou City Construction College
Current assignee: Guangzhou City Construction College
Priority date: 2018-06-01
Filing date: 2018-06-01
Publication date: 2020-07-17
Anticipated expiration: 2038-06-01
Also published as: CN108745567A

Abstract

The invention discloses a screening device for crushed construction waste, which comprises a shell, wherein a transverse first slide rail is arranged on the inner bottom surface of the shell, a garbage truck inlet and a garbage truck outlet are formed right opposite to the first slide rail, a garbage truck is slidably mounted on the first slide rail, a left side square groove, a middle side square groove and a right side square groove are formed in the garbage truck, a waste inlet is formed in the upper end of the shell, a cylinder is arranged below the waste inlet, an upper swing plate, a left buffer plate and a right buffer plate are fixed on the cylinder, a left baffle plate and a right baffle plate are fixed below the cylinder, circular magnets are respectively mounted on the left side and the right side of the cylinder, a waste outlet is formed in the side wall of the shell, a left filter screen and a right filter screen are respectively and correspondingly fixed below the baffle plates, the left filter screen and the right filter screen are also respectively and correspondingly positioned above the left side square groove and. The invention can better screen the construction waste.

Description

Screening device for crushed construction waste

Technical Field

The invention relates to the field of construction equipment, in particular to a screening device for crushed construction waste.

Background

Along with the development of social economy, town construction is continuously deepened in China, modern town construction in China mainly comprises concrete buildings, the concrete buildings have certain service life limitation due to aging problems, the old buildings are continuously dismantled and rebuilt, a large amount of construction waste is generated after the concrete buildings are dismantled, the construction waste is increased along with the transformation of old cities, the removal of villages in cities and the reconstruction of roads, the quantity of steel, concrete and masonry construction waste is the largest, most of the construction waste is crushed and then screened, but the speed of the existing construction waste after entering a screening device is too high, steel objects cannot be comprehensively collected, the screened construction waste is inconvenient to move out at any time, and more broken stones can block a filter screen to influence the screening efficiency.

Disclosure of Invention

The invention aims to solve the technical problem of providing a screening device for crushed construction waste, which can buffer and decelerate the rapidly poured construction waste and better screen the construction waste.

To solve the technical problems, the technical scheme adopted by the invention is as follows:

the utility model provides a screening device after construction waste smashes which characterized in that: comprises a shell, a transverse first slide rail is arranged on the inner bottom surface of the shell, one end of one side surface of the shell, which is just opposite to the first slide rail, is provided with a garbage truck inlet and a garbage truck outlet, the middle part of the bottom surface of the shell is provided with a garbage truck which is slidably arranged on the first slide rail, a left side square groove, a middle part square groove and a right side square groove which are used for containing garbage are transversely arranged on the garbage truck side by side, the middle part of the upper end of the shell is provided with a garbage inlet, a rotatable cylinder is arranged below the garbage inlet, the cylinder is vertical to the rear wall of the shell, an upper swing plate, a left buffer plate and a right buffer plate are fixed on the cylinder, a left baffle plate and a right baffle plate are fixed below the cylinder, the upper end of the upper swing plate faces to the left side of the garbage inlet when the left buffer plate is close to the left baffle plate, the upper end of the upper swing plate faces to the right side of the garbage inlet, the lateral wall of shell just to opening the rubbish that is used for taking out the rubbish that adsorbs on circular magnet and take out the mouth on the position of circular magnet, the below of left side baffle and right baffle corresponds respectively and is fixed with left filter screen and right filter screen, left side filter screen and right filter screen still correspond the top that is located left side square groove and right side square groove respectively, left side filter screen and right filter screen are respectively to middle part square groove slope, and the border that is close to middle part square groove of left side filter screen and right filter screen is located two borders about the middle part square groove respectively, still install vibrating device in the shell, vibrating device acts on left side filter screen and right filter screen and makes left side filter screen and right filter screen output vibrate on.

Further, the oscillation device includes trapezoidal plate, trapezoidal plate fixed mounting is between left filter screen and right filter screen, be equipped with the second slide rail above the trapezoidal plate, be provided with the slidable slider on the second slide rail, both ends are fixed with the impact bar that is used for striking left filter screen and right filter screen respectively about the slider, install and drive pivoted disc by the motor in the middle part below of second slide rail, it has the down tube to articulate at the lower extreme middle part of trapezoidal plate, first rectangular hole and second rectangular hole have been seted up respectively to the position of the corresponding slider of down tube and disc, be equipped with second cylinder and first cylinder on slider and the disc respectively, second cylinder and first cylinder activity cartridge are in first rectangular hole and second rectangular hole.

Further, the motor is fixedly installed on the back of the trapezoidal plate, an output rotating shaft of the motor is connected with a rotating shaft through a coupler, the rotating shaft penetrates through the trapezoidal plate from the back, and the disc is fixed at the front end of the rotating shaft.

Furthermore, the cross sections on the left side and the right side of the garbage inlet are arc-shaped surfaces, the upper end of the upper swing plate is propped against the arc-shaped surface on the left side of the garbage inlet when the left buffer plate is leaned against the left baffle plate, and the upper end of the upper swing plate is propped against the arc-shaped surface on the right side of the garbage inlet when the right buffer plate is leaned against the right baffle plate.

Furthermore, the upper surfaces of the left buffer plate and the right buffer plate are respectively provided with anti-skid grains.

Furthermore, a fixed rod is fixed above the inlet and the outlet of the garbage truck, a pull rope is connected to the end face, facing the inlet and the outlet of the garbage truck, and the outer end of the pull rope is wound on the fixed rod.

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

this sieving mechanism after building rubbish is smashed realizes better screening through the cooperation of last balance weight, left buffer board, right buffer board and oscillation device. When the construction waste impacts the left buffer plate, the falling speed of the construction waste is reduced, the left buffer plate rotates anticlockwise to the left baffle plate and stops moving, the upper end of the upper swing plate just faces to the left side of the waste inlet, the right buffer plate rotates upwards to a certain angle, the steel in the construction waste is adsorbed by the round magnet on the left side in the process, and then the rest construction waste falls onto the filter screen; next, continue on the building rubbish that needs the screening that falls into from the rubbish import will strike right buffer board on, right buffer board stop motion behind the clockwise rotation right baffle, the circular magnet on right side adsorbs the processing to the ferrosteel in the building rubbish, with same principle, the buffer board can be forced to this side rotation on one side that the building rubbish of the left and right sides is many, so, the roll-up board will do the horizontal hunting, can slow down the falling speed of building rubbish like this, and with building rubbish fall into left and right sides two parts and handle. The motor drives the disc rotation, and reciprocating motion that first cylinder and second cylinder were in opposite directions or deviated from respectively in second rectangular hole and first rectangular hole this moment, and reciprocating motion about the second cylinder drives the slider in the second slide rail simultaneously, and two impact bars are strikeed left filter screen and right filter screen respectively, can prevent like this that a large amount of rubbles from blockking up the filter screen. After the screening is finished, the garbage truck can be pulled out from the inlet and the outlet of the garbage truck, so that the screened construction garbage can be conveniently moved out. The invention solves the problems that the speed of the existing construction waste entering the screening device is too high, the steel objects cannot be comprehensively collected, the screened construction waste is inconvenient to move out at any time, and more gravel can block the filter screen to influence the screening efficiency, and meets the use requirements of users.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is a schematic view of an oscillating device according to the present invention;

fig. 3 is a schematic cross-sectional view at a-a in fig. 2.

Detailed Description

The invention is further described below with reference to examples.

As shown in fig. 1, the screening device for crushed construction waste comprises a shell 1, wherein the shell 1 is in a tetragonal shell shape, a transverse first sliding rail 2 is arranged on the bottom surface inside the shell 1, a garbage truck inlet and outlet 8 is arranged at the right end of the right side surface of the shell 1 opposite to the first sliding rail 2, a garbage truck 3 is arranged in the middle of the bottom surface of the shell 1, and the garbage truck 3 is slidably mounted on the first sliding rail 2, so that the garbage truck 3 can be dragged out of the garbage truck inlet and outlet 8 at any time. The garbage truck 3 is transversely provided with a left square groove 5, a middle square groove 4 and a right square groove 21 which are used for containing garbage in parallel.

Be equipped with rubbish import 11 in the upper end middle part of shell 1, the cross section on the left side and the right of rubbish import 11 is arcwall 19, the below of rubbish import 11 is provided with rotatable drum 12, drum 12 is installed between the preceding back wall of shell 1 through middle pivot, the back wall of drum 12 perpendicular to shell 1, be fixed with pendulum plate 13 on the drum 12, left buffer plate 20 and right buffer plate 14, pendulum plate 13 goes up, left buffer plate 20 and right buffer plate 14 are located the upside of drum 12 respectively, left side and right side, the upper surface of left buffer plate 20 and right buffer plate 14 is equipped with anti-skidding line respectively, anti-skidding line can be better cushion the building rubbish that falls down.

A left baffle 18 and a right baffle 22 are fixed below the cylinder 12, the upper ends of the left baffle 18 and the right baffle 22 are close to the lower surface of the cylinder 12, and the lower ends of the left baffle 18 and the right baffle 22 are respectively opened towards the left side and the right side. When the left buffer plate 20 is flatly attached to the left baffle 18, the upper end of the upper swing plate 13 is against the arc surface on the left side of the garbage inlet 11, and when the right buffer plate 14 is flatly attached to the right baffle, the upper end of the upper swing plate 13 is against the arc surface on the right side of the garbage inlet 11.

Circular magnets 17 are fixedly mounted on the left and right sides of the cylinder 12 through connecting frames 16, the circular magnets 17 face the cylinder 12, a garbage outlet 15 for taking out garbage adsorbed on the circular magnets 17 is formed in a position of the rear side wall of the housing 1, which is opposite to the circular magnets 17, and the garbage outlet 15 is a rectangular hole.

A left filter screen 23 and a right filter screen 6 are correspondingly fixed below the left baffle 18 and the right baffle 22 respectively, the left filter screen 23 and the right filter screen 6 are also correspondingly positioned above the left square groove 5 and the right square groove 21 respectively, and thus, smaller garbage filtered out from the left filter screen 23 and the right filter screen 6 can fall into the left square groove 5 and the right square groove 21 respectively. Left side filter screen 23 and right filter screen 6 incline to middle part square chest 4 respectively, and left side filter screen 23 and right filter screen 6 be close to the edgewise of middle part square chest 4 and lie in the middle part square chest 4 about two edgewise directly over respectively, the great filterable rubbish of failing above left side filter screen 23 and the right filter screen 6 can fall into middle part square chest 4 like this.

Still install oscillation device 7 in shell 1, this oscillation device 7 is located between left filter screen 23 and right filter screen 6, as shown in fig. 2 and fig. 3, this oscillation device 7's concrete structure is: the vibrating screen comprises a trapezoidal plate 701, the trapezoidal plate 701 is fixedly arranged between a left filter screen and a right filter screen, a transverse second sliding rail 706 is arranged on the trapezoidal plate 701, a sliding block 707 capable of sliding left and right is arranged on the second sliding rail 706, transverse impact rods 708 for impacting the left filter screen 23 and the right filter screen 6 are respectively fixed at the left end and the right end of the sliding block 707, a motor 702 is arranged below the middle of the second sliding rail 706, the motor 702 is fixedly arranged on the back of the trapezoidal plate 701, an output rotating shaft of the motor 702 is connected with a rotating shaft 704 through a coupler 703, the rotating shaft 704 penetrates through the trapezoidal plate 701 from the back, a disc 705 is fixedly arranged at the front end of the rotating shaft 704, thus, the disc 705 can be driven to rotate by the motor 702, an inclined rod 710 is arranged in front of a vibrating device 7, the lower end of the inclined rod 710 is hinged to the middle of the lower end of the trapezoidal plate 701 through a pin shaft, a first long hole 711 and, the sliding block 707 and the disk 705 are respectively provided with a second cylinder 713 and a first cylinder 709, the first cylinder 709 is far away from the center of the disk 705, the second cylinder 713 and the first cylinder 709 are movably inserted into the first long hole 711 and the second long hole 712, and the second cylinder 713 and the first cylinder 709 can freely slide in the first long hole 711 and the second long hole 712. The oscillation device 7 acts on the left filter screen and the right filter screen through the striking rods 708 thereof so that the left filter screen and the right filter screen produce oscillation.

The fixed rod 9 is fixed above the inlet and outlet 8 of the garbage truck, the pull rope 10 is connected to the end face, facing the inlet and outlet 8 of the garbage truck, of the garbage truck 3, the outer end of the pull rope 10 is wound on the fixed rod 9, and when the garbage truck needs to be pulled out, the pull rope 10 can be pulled, so that the garbage truck is practical and convenient.

The working principle of the screening device is as follows: when the building rubbish is smashed and needs screening, the external power supply of the motor 702 is switched on, the smashed building rubbish enters from the rubbish inlet 11, the left buffer plate 20 is impacted firstly, the falling speed of the building rubbish is reduced, meanwhile, the rubbish is dispersed through impact, the left buffer plate 20 rotates anticlockwise, the left buffer plate 20 stops moving when being blocked by the left side of the left baffle plate 18, the upper end of the upper swinging plate 13 is clamped on the arc-shaped surface 19 on the left side of the rubbish inlet 11 at the moment, the right buffer plate 14 rotates upwards to a certain angle, the steel in the building rubbish is adsorbed by the left circular magnet 17 in the process, and then the rest building rubbish falls onto the left filter screen 23. Then, since the upper swing plate 13 has been swung to the left, the construction waste to be screened which continuously falls from the waste inlet 11 is guided to the right side by the upper swing plate 13, the construction waste will collide with the right buffer plate 14, the right buffer plate 14 also buffers the waste, and at the same time, the waste is dispersed by collision, and then the right buffer plate 14 rotates clockwise to the right surface of the right baffle 22 and stops moving, at this time, the upper end of the upper swing plate 13 is just clamped on the arc-shaped surface at the left side of the garbage inlet 11, then the round magnet 17 on the right side adsorbs the steel in the construction waste, and the rest construction waste falls on the right filter screen 6, and by the same principle, the side with more construction waste on the left side and the right side forces the upper swinging plate 13 to rotate towards the side, so that the upper swinging plate 13 swings left and right repeatedly, therefore, the falling speed of the construction waste can be reduced, and the waste is divided into a left part and a right part for screening. The motor 702 drives the first cylinder 709 to rotate at a high speed around the center of the disc 705 through the coupler 703, at the moment, the first cylinder 709 and the second cylinder 713 respectively perform reciprocating motion in the second square hole 712 and the first square hole 711 in an opposite direction or in a deviating direction, meanwhile, the second cylinder 713 drives the slider 707 to perform reciprocating motion left and right on the second slide rail 706, the two impact rods 708 respectively impact the filter screens, so that a large amount of broken stones can be prevented from blocking the filter screens, large broken stones fall into the middle square groove between the two filter screens, small broken stones fall into the left side square groove or the right side square groove through the filter screens, the right end of the pull rope 10 is unfastened after screening is finished, the garbage truck 3 can be pulled out from the garbage truck inlet/outlet 8 through the pull rope 10, the screened construction garbage can be conveniently moved out, and meanwhile, and steel iron on the circular magnet 17 can be manually taken.

The above-described embodiments of the present invention are not intended to limit the scope of the present invention, and the embodiments of the present invention are not limited thereto, and various other modifications, substitutions and alterations can be made to the above-described structure of the present invention without departing from the basic technical concept of the present invention as described above, according to the common technical knowledge and conventional means in the field of the present invention.

Claims

1. The utility model provides a screening device after construction waste smashes which characterized in that: comprises a shell (1), a transverse first sliding rail (2) is arranged on the bottom surface inside the shell (1), one side surface of the shell (1) is just opposite to one end of the first sliding rail (2) and is provided with a garbage truck inlet and outlet (8), a garbage truck (3) is arranged in the middle of the bottom surface of the shell (1), the garbage truck (3) is slidably mounted on the first sliding rail (2), a left square groove (5), a middle square groove (4) and a right square groove (21) which are used for containing garbage are transversely arranged on the garbage truck (3) side by side, a garbage inlet (11) is arranged in the middle of the upper end of the shell (1), a rotatable cylinder (12) is arranged below the garbage inlet (11), the cylinder (12) is perpendicular to the rear wall of the shell (1), an upper swing plate (13), a left buffer plate (20) and a right buffer plate (14) are fixed on the cylinder (12), be fixed with left plate washer (18) and right baffle (22) in the below of drum (12), work as left buffer board (20) lean on when left side baffle (18) is gone up the upper end subtend of last wobble plate (13) the left side of rubbish import (11), work as right buffer board (14) lean on when right baffle (22) are gone up the upper end subtend of last wobble plate (13) rubbish enters the right of mouth (11), the left and right sides of drum (12) is respectively through link (16) fixed mounting have circular magnet (17), just right of the lateral wall of shell (1) it has the rubbish that is used for taking out the absorption on the position of circular magnet (17) to open and take out mouth (15) of rubbish on circular magnet (17), the below of left side baffle (18) and right baffle (22) corresponds respectively and is fixed with left filter screen (23) and right filter screen (6), left filter screen (23) and right filter screen (6) still correspond respectively and are located left side square groove (5) And the top of right side square groove (21), left side filter screen (23) and right side filter screen (6) respectively to middle part square groove (4) slope, just being close to of left side filter screen (23) and right side filter screen (6) the border of middle part square groove (4) is located respectively directly over two borders about the middle part square groove still install in shell (1) and vibrate device (7), vibrate device (7) and act on make on left side filter screen and the right side filter screen left side filter screen and right side filter screen output vibrate.

2. The construction waste screening device after crushing as claimed in claim 1, wherein: the vibrating device (7) comprises a trapezoidal plate (701), the trapezoidal plate (701) is fixedly installed between the left filter screen and the right filter screen, a second sliding rail (706) is arranged on the trapezoidal plate (701), a slidable sliding block (707) is arranged on the second sliding rail (706), impact rods (708) used for impacting the left filter screen and the right filter screen are respectively fixed at the left end and the right end of the sliding block (707), a disc (705) driven to rotate by a motor (702) is installed below the middle of the second sliding rail (706), an inclined rod (710) is hinged to the middle of the lower end of the trapezoidal plate (701), a first long hole (711) and a second long hole (712) are respectively formed in the positions, corresponding to the sliding block (707) and the disc (705), of the inclined rod (710), a second cylinder (713) and a first cylinder (709) are respectively arranged on the sliding block (707) and the disc (705), the second column (713) and the first column (709) are movably inserted into the first long hole (711) and the second long hole (712).

3. The construction waste screening device after crushing as claimed in claim 2, wherein: the motor (702) is fixedly installed on the back of the trapezoidal plate (701), an output rotating shaft of the motor (702) is connected with a rotating shaft (704) through a coupler (703), the rotating shaft (704) penetrates through the trapezoidal plate (701) from the back, and the disc (705) is fixed at the front end of the rotating shaft (704).

4. The construction waste screening device after crushing as claimed in claim 1, wherein: the cross section on the left side and the right side of rubbish import (11) is the arcwall face, works as left buffer board (20) lean on when on the left side plate washer the upper end of last swing plate (13) top in on the arcwall face on the left side of rubbish import (11), works as right buffer board (14) lean on when on the right baffle the upper end of last swing plate (13) top in on the arcwall face on the right of rubbish import (11).

5. The construction waste screening device after crushing as claimed in claim 1, wherein: the upper surfaces of the left buffer plate (20) and the right buffer plate (14) are respectively provided with anti-skid grains.

6. The construction waste screening device after crushing as claimed in claim 1, wherein: a fixing rod (9) is fixed above the garbage truck inlet and outlet (8), a pull rope (10) is connected to the end face, facing the garbage truck inlet and outlet (8), of the garbage truck (3), and the outer end of the pull rope (10) is wound on the fixing rod (9).