CN211989650U

CN211989650U - Environment-friendly sand and stone screening device for building

Info

Publication number: CN211989650U
Application number: CN201922219861.XU
Authority: CN
Inventors: 侯光红
Original assignee: Nanjing Zihouhong New Building Materials Co ltd
Current assignee: Nanjing Zihouhong New Building Materials Co ltd
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-11-24
Anticipated expiration: 2029-12-11

Abstract

The utility model relates to a sand and stone screening plant for building of environment-friendly, frame unit, screening unit and dust absorption unit, the screening unit sets up in the top of frame unit, the dust absorption unit is located the upper right end of screening unit, the frame unit includes base, spring, bearing plate, support frame, horizontal pole and fixed block, the screening unit includes cylinder, screening case, pan feeding mouth, discharge gate, screen cloth, spacing, gyro wheel and track, the dust absorption unit includes dust absorption case, filter screen and blast pipe, this grit screening plant, and simple structure just can realize the screening to the grit through the push-and-pull of cylinder, can adsorb and retrieve the dust through dust extraction, realizes secondary production, and convenient to use is efficient, and is energy-concerving and environment-protective moreover.

Description

Environment-friendly sand and stone screening device for building

Technical Field

The utility model particularly relates to an environment-friendly sand stone screening plant for building.

Background

Sieves are tools used by people to separate large and small solids, and can be classified into construction sieves, domestic sieves and the like according to the use of sieves. The sand is usually used on building and building material sites, and the sand is required to be screened through a building screen because the sand has different particle sizes and large particle size difference when being bought, but the common screens on the building sites are simple, the sand can be screened only by manpower, the speed is too low, the efficiency is influenced, a large amount of dust is generated in the screening process, the environment is polluted, and the human health is influenced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in order to overcome the defects of the prior art, the environment-friendly sand and stone screening device for the building is provided.

The utility model provides a technical scheme that its technical problem adopted is: the environment-friendly building sandstone screening device comprises a rack unit, a screening unit and a dust absorption unit, wherein the screening unit is arranged above the rack unit, and the dust absorption unit is arranged at the upper end of the screening unit;

the rack unit comprises a base, four springs, a bearing plate, supporting rods, transverse rods and fixed blocks, wherein the bearing plate is horizontally arranged above the base, the number of the springs is four, the four springs are arranged between the bearing plate and the base, two ends of each spring are respectively connected with the base and the bearing plate, the fixed blocks are arranged on one side above the bearing plate, the number of the transverse rods is two, the two transverse rods are arranged in parallel, the two transverse rods are positioned in the same plane and positioned on the same side of the fixed blocks, the supporting rods are arranged at two ends of each transverse rod, one end of each supporting rod is fixedly connected with one end of each transverse rod, and the other end of each supporting rod is fixedly connected with the upper surface of the bearing;

the screening unit comprises an air cylinder, a screening box, a feeding port, a first discharging port, a second discharging port, a screen, limiting strips and rollers, the screening box is positioned above a bearing plate, the air cylinder is positioned on one side of the screening box, the air cylinder is arranged on a fixed block, an air rod of the air cylinder is connected with the screening box, the screening box is positioned between two cross rods, the screen is arranged in the screening box, the feeding port is arranged at the upper end of the screening box, the first discharging port is positioned on one side of the outer part of the screening box, the horizontal height of the first discharging port is greater than that of the screen, the second discharging port is positioned at the bottom of the screening box, the number of the limiting strips is two, the two limiting strips are respectively arranged at two sides of the screening box, the two limiting strips are respectively positioned right above the two cross rods, the limiting strips are parallel to the cross rods, and the vertical cross sections of the limiting strips are U-shaped, the opening of the U-shaped section of each limiting strip is downward and is opposite to the transverse rod, a sliding groove is formed in the side face, opposite to the limiting strips, of the transverse rod, four rolling wheels are arranged, and two rolling wheels are arranged in each limiting strip;

the dust collection unit comprises a dust collection box and an exhaust pipe, the dust collection box is fixed at the top of the screening box, and the exhaust pipe is communicated with the inside of the screening box through the dust collection box.

In order to facilitate the discharge of the sand on the upper part of the screening box, the screen is obliquely arranged.

For better stable gyro wheel traffic direction, reduce the friction, set up the gyro wheel track in the recess of horizontal pole.

In order to better adsorb dust and reduce pollution, a filter screen is arranged between the exhaust pipe and the dust collection box.

In order to ensure that the device does not generate horizontal vibration during operation, the rack unit is also provided with a limiting mechanism for keeping the device vibrating up and down.

The beneficial effects of the utility model are that, this environment-friendly's gravel screening plant for building simple structure just can realize the screening to the grit through the push-and-pull of cylinder, can adsorb and retrieve the dust through dust extraction, realizes secondary production, convenient to use, and is efficient, practices thrift the environmental protection moreover.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1-2 are schematic structural views of an environment-friendly building sandstone screening device of the present invention;

in the figure: 1. the automatic feeding device comprises a base, 2 springs, 3 supporting rods, 4 cross rods, 5 bearing plates, 6 fixing blocks, 7 cylinders, 8 screening boxes, 9 feeding ports, 10 screens, 11 limiting strips, 12 rollers, 13 dust suction boxes, 14 exhaust pipes, 15 first discharge ports, 16 second discharge ports, 17 slide rails, 18 limiting blocks, 19 slide rods and 20 limiting rings.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

As shown in fig. 1-2, an environment-friendly building gravel and sand screening device comprises a rack unit, a screening unit and a dust collection unit, wherein the screening unit is arranged above the rack unit, and the dust collection unit is arranged at the upper end of the screening unit;

the rack unit comprises a base 1, springs 2, bearing plates 5, supporting rods 3, cross rods 4 and fixing blocks 6, wherein the bearing plates 5 are horizontally arranged above the base 1, the number of the springs 2 is four, the four springs 2 are arranged between the bearing plates 5 and the base 1, two ends of each spring 2 are respectively connected with the base 1 and the bearing plates 5, the fixing blocks 6 are arranged on one side above the bearing plates 5, the number of the cross rods 4 is two, the two cross rods 4 are arranged in parallel, the two cross rods 4 are positioned in the same plane, the two cross rods 4 are positioned on the same side of the fixing blocks 6, the supporting rods 3 are arranged at two ends of each cross rod 4, one end of each supporting rod 3 is fixedly connected with one end of each cross rod 4, and the other end of each supporting rod 3 is fixedly connected with the upper surface of the;

the screening unit comprises an air cylinder 7, a screening box 8, a feeding port 9, a first discharging port 15, a second discharging port 16, a screen cloth 10, limiting strips 11 and rollers 12, wherein the screening box 8 is positioned above the bearing plate 5, the air cylinder 7 is positioned on one side of the screening box 8, the air cylinder 7 is arranged on a fixed block 6, an air rod of the air cylinder 7 is connected with the screening box 8, the screening box 8 is positioned between two cross rods 4, the screen cloth 10 is arranged in the screening box 8, the feeding port 9 is arranged at the upper end of the screening box 8, the first discharging port 15 is positioned on one side of the outer part of the screening box 8, the horizontal height of the first discharging port 15 is greater than that of the screen cloth 10, the second discharging port 16 is positioned at the bottom of the screening box 8, the limiting strips 11 are two, the two limiting strips 11 are respectively arranged on two sides of the screening box 8, and the two limiting strips 11 are respectively positioned right above the two cross rods 4, the limiting strips 11 are parallel to the cross rod 4, the vertical cross sections of the limiting strips 11 are U-shaped, the openings of the U-shaped cross sections of the limiting strips 11 are downward and are opposite to the cross rod 4, sliding grooves are formed in the side faces, opposite to the limiting strips, of the cross rod 4, four rolling wheels 12 are arranged, and two rolling wheels 12 are arranged in each limiting strip 11;

the dust collection unit comprises a dust collection box 13 and an exhaust pipe 14, the dust collection box 13 is fixed at the top of the screening box 8, and the exhaust pipe 14 is communicated with the inside of the screening box 8 through the dust collection box 13.

In order to facilitate the discharge of the sand from the upper part of the screening box 8, the screen 10 is inclined at a certain angle.

In order to better stabilize the running direction of the roller 12 and reduce friction, a sliding rail 17 is arranged in the groove of the cross rod 4.

When the sand is required to be screened, the sand is poured from the feeding port 9, the air rod of the air cylinder 7 extends and retracts by controlling the air cylinder 7 to move, thrust and tension are generated, the screening box 8 can be pushed to move, the limiting strips 11 are driven to move, the idler wheels 12 in the limiting strips 11 move in the grooves of the cross rods 4, the screening box 8 moves along the direction of the cross rods 4, the displacement amplitude of the screening box 8 is the length of the air rod, the sand on the upper portion of the screen 10 is shaken by the movement of the screening box 8, the sand on the upper portion of the screen 10 is enabled to be fully contacted with the screen 10, finally the sand on the upper portion of the screen 10 can be fully screened, the screening box 8 is divided into the upper portion and the lower portion by the screen 10, the screen 10 is obliquely arranged inside the screening box 8, discharging on the upper portion of the screen 10 can be facilitated, the sand which cannot pass through the, by the ejection of compact of first discharge gate 15, the grit that can pass through screen cloth 10 falls the lower part of screen cloth 10, through the 16 ejection of compact of second discharge gate, make can sieve according to the particle size of grit and collect, the base 1 of device is equipped with spring 2, can avoid the violent vibrations of device, increase stability, reduce the damage of the part of device, the small amplitude vibrations of spring 2's elasticity production simultaneously, can drive the vibrations of grit in the screening case 8, make the grit sieve more abundant, when the device operates, the screening process of grit produces a large amount of dusts in screening case 8, adsorb the dust in screening case 8 through dust collecting equipment, and filter through the filter screen, leave the dust in suction box 13, reduce air pollution, the dust that leaves simultaneously can be retrieved and recycled.

Compared with the prior art, this grit screening plant for building of environment-friendly simple structure just can realize the screening to the grit through the push-and-pull of cylinder, can adsorb and retrieve the dust through dust extraction, realizes secondary production, convenient to use, and is efficient, practices thrift the environmental protection moreover.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The environment-friendly sand and stone screening device for the building is characterized by comprising a rack unit, a screening unit and a dust collection unit, wherein the screening unit is arranged above the rack unit, and the dust collection unit is arranged at the upper end of the screening unit;

the machine frame unit comprises a base (1), springs (2), bearing plates (5), supporting rods (3), cross rods (4) and fixing blocks (6), wherein the bearing plates (5) are horizontally arranged above the base (1), the springs (2) are four, the four springs (2) are arranged between the bearing plates (5) and the base (1), the two ends of the springs (2) are respectively connected with the base (1) and the bearing plates (5), the fixing blocks (6) are arranged on one side above the bearing plates (5), the cross rods (4) are provided with two cross rods (4), the two cross rods (4) are arranged in parallel, the two cross rods (4) are positioned in the same plane, the two cross rods (4) are positioned on the same side of the fixing blocks (6), the two ends of the cross rods (4) are respectively provided with the supporting rods (3), one end of each supporting rod (3) is fixedly connected with one end of each cross rod (4), the other end of the supporting rod (3) is fixedly connected with the upper surface of the bearing plate (5);

the screening unit comprises a cylinder (7), a screening box (8), a feeding port (9), a first discharging port (15), a second discharging port (16), a screen (10), a limiting strip (11) and rollers (12), wherein the screening box (8) is positioned above a bearing plate (5), the cylinder (7) is positioned on one side of the screening box (8), the cylinder (7) is arranged on a fixing block (6), an air rod of the cylinder (7) is connected with the screening box (8), the screening box (8) is positioned between two cross rods (4), the screen (10) is arranged inside the screening box (8), the feeding port (9) is arranged at the upper end of the screening box (8), the first discharging port (15) is positioned on one side of the outer part of the screening box (8), the horizontal height of the first discharging port (15) is greater than that of the screen (10), and the second discharging port (16) is positioned at the bottom of the screening box (8), the screening box is characterized in that the number of the limiting strips (11) is two, the two limiting strips (11) are respectively arranged on two sides of the screening box (8), the two limiting strips (11) are respectively positioned right above the two cross rods (4), the limiting strips (11) are parallel to the cross rods (4), the vertical cross sections of the limiting strips (11) are U-shaped, the openings of the U-shaped cross sections of the limiting strips (11) are downward and are opposite to the cross rods (4), sliding grooves are formed in the side faces, opposite to the limiting strips, of the cross rods (4), four rolling wheels (12) are arranged, and two rolling wheels (12) are arranged in each limiting strip (11);

the dust collection unit comprises a dust collection box (13) and an exhaust pipe (14), the dust collection box (13) is fixed at the top of the screening box (8), and the exhaust pipe (14) is communicated with the inside of the screening box (8) through the dust collection box (13).

2. An environment-friendly screening apparatus for building gravel and sand as claimed in claim 1, wherein the screen (10) is installed to be inclined, and the screen (10) is inclined downwardly from an end far from the first discharging hole (15) to an end near the first discharging hole (15).

3. The environment-friendly building gravel screening device as claimed in claim 1, wherein a slide rail (17) is provided in the slide groove of the cross bar (4), and the roller (12) is connected with the slide rail (17) in a rolling manner.

4. The environment-friendly building gravel screening device as claimed in claim 1, wherein a filter screen is provided between the exhaust pipe (14) and the dust box (13).

5. The environment-friendly building sandstone screening device according to claim 1, wherein a limiting mechanism is further arranged on the frame unit, the limiting mechanism comprises a limiting block (18), a sliding rod (19) and a limiting ring (20), the limiting block (18) is fixed on the base (1), the limiting ring (20) is fixed on the bearing plate (5), the sliding rod (19) is vertically arranged, and the sliding rod (19) penetrates through the limiting ring (20) and is fixedly connected with the limiting block (18).