CN215390735U - Multistage sand and stone separating centrifuge for building engineering - Google Patents

Abstract

The utility model belongs to the technical field of constructional engineering, and particularly relates to a multistage sand and stone separator for constructional engineering, which comprises a screening box, wherein the top surface of the screening box is communicated with a feeding hopper, and the bottom surface of the screening box is communicated with a discharging hole; the outer side surface of the screening box is communicated with a multi-stage coarse material discharging slideway, and a plurality of stages of screens corresponding to the coarse material discharging slideway are arranged in the screening box; a connecting frame is fixed on the inner wall of the screening box at a position close to the coarse material discharging slideway, the tail end of the screen is hinged with the connecting frame, and a driving assembly for driving the head end of the screen to vibrate up and down in a reciprocating manner is further installed on the screening box; the multistage sand and stone separator for the building engineering is convenient to use, realizes multistage screening, has higher screening efficiency, utilizes the driving assembly to drive the screen to vibrate, improves the efficiency of screening sand and stone, avoids secondary screening, and improves the efficiency of building construction; the speed reduction assembly can reduce the speed of sand and stone materials entering the screening box, and avoids the damage of the screen due to the fact that the materials directly impact the screen.

Description

Multistage sand and stone separating centrifuge for building engineering

Technical Field

The utility model belongs to the technical field of constructional engineering, and particularly relates to a multistage sand and stone separator for constructional engineering.

Background

The building engineering major is mainly responsible for teaching and management of civil engineering major building engineering directions, mainly cultures and masters the basic theory and basic knowledge of engineering mechanics, soil mechanics, surveying, housing architecture and structural engineering subjects, and refers to the general term of various buildings and engineering facilities providing material technology foundation for human life and production, and the concrete is the core material of building construction, and in the concrete processing process, the sand and stones need to be separated.

When the original sand and stone separator is used, the screening efficiency is low, secondary screening is usually needed, the labor intensity is high, and the building construction efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides the multistage sand-stone separator for the building engineering, which has the characteristics of convenience in use and high screening efficiency.

In order to achieve the purpose, the utility model provides the following technical scheme: a multi-stage sand-stone separator for constructional engineering comprises a screening box, wherein the top surface of the screening box is communicated with a feeding hopper, and the bottom surface of the screening box is communicated with a discharge hole; the outer side surface of the screening box is communicated with a multi-stage coarse material discharging slideway, a plurality of stages of screen meshes corresponding to the coarse material discharging slideway are arranged in the screening box, and the screen meshes are in an inclined shape; a connecting frame is fixed on the inner wall of the screening box at a position close to the coarse material discharging slideway, the tail end of the screen is hinged with the connecting frame, and a driving assembly for driving the head end of the screen to vibrate up and down in a reciprocating manner is further installed on the screening box; and a blanking notch is formed in one end, close to the connecting frame, of the screen.

As a preferred technical scheme of the utility model, the driving assembly comprises a driving motor, a turntable, a connecting arm and a linkage arm, wherein the driving motor is mounted on the screening box, the turntable is fixed on an output shaft of the driving motor, a first pin rod is fixed at an eccentric position on the surface of the turntable, a second pin rod is fixed on the outer wall of the linkage arm, one end of the connecting arm is sleeved on the first pin rod, and the other end of the connecting arm is sleeved on the second pin rod; the outer wall of the linkage arm is further fixed with a driving pin, the outer wall of the screening box is provided with a sliding hole for the driving pin to penetrate through, and the driving pin penetrates through the sliding hole and then is hinged to the head end of the screen.

As a preferable technical scheme of the utility model, two groups of coarse material blanking slideways, the screen and the driving pin are arranged at intervals.

As a preferable technical scheme of the utility model, a material guide hopper communicated with the discharge hole is fixed on the inner bottom surface of the screening box.

As a preferred technical scheme of the utility model, a fine material collecting box is arranged below the discharge port, and a coarse material collecting box is arranged below the coarse material blanking slideway.

As a preferable technical scheme of the utility model, two groups of speed reduction assemblies which are symmetrically distributed are arranged in the feeding hopper, each speed reduction assembly comprises an expansion spring and a speed reduction sliding plate, each speed reduction sliding plate is hinged to the inner wall of the feeding hopper, and the expansion springs are fixed between the speed reduction sliding plates and the inner wall of the feeding hopper.

Compared with the prior art, the utility model has the beneficial effects that: the multistage sand and stone separator for the building engineering is convenient to use, realizes multistage screening, has higher screening efficiency, utilizes the driving assembly to drive the screen to vibrate, improves the efficiency of screening sand and stone, avoids secondary screening, and improves the efficiency of building construction; the speed reduction assembly can reduce the speed of sand and stone materials entering the screening box, and avoids the damage of the screen due to the fact that the materials directly impact the screen.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

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

FIG. 2 is a schematic sectional front view of the present invention;

FIG. 3 is a schematic side view of the driving assembly of the present invention;

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

FIG. 5 is an enlarged schematic view of FIG. 2 at A in the present invention;

in the figure: 1. screening the box; 2. feeding into a hopper; 3. a discharge port; 4. a coarse material blanking slideway; 5. a fine material collection box; 6. a coarse material collecting box; 7. screening a screen; 8. a connecting frame; 9. a drive assembly; 10. a material guide hopper; 11. a slide hole; 12. a drive motor; 13. a turntable; 14. a connecting arm; 15. a first pin rod; 16. a second pin; 17. a linkage arm; 18. a drive pin; 19. a blanking gap; 20. a tension spring; 21. the speed reduction skateboard.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-5, the present invention provides the following technical solutions: a multi-stage sand and stone separator for constructional engineering comprises a screening box 1, wherein the top surface of the screening box 1 is communicated with a feeding hopper 2, and the bottom surface of the screening box 1 is communicated with a discharge hole 3; the outer side surface of the screening box 1 is communicated with a multi-stage coarse material discharging slideway 4, a multi-stage screen 7 corresponding to the coarse material discharging slideway 4 is arranged in the screening box 1, and the screen 7 is in an inclined shape; a connecting frame 8 is fixed on the inner wall of the screening box 1 close to the coarse material discharging slideway 4, the tail end of the screen 7 is hinged with the connecting frame 8, and a driving assembly 9 for driving the head end of the screen 7 to vibrate up and down in a reciprocating manner is further installed on the screening box 1; unloading breach 19 has been seted up to the one end that screen cloth 7 is close to link 8, when using, treats the gravel and sand material of screening from going into 2 feeding screening casees 1 of hopper, starts drive assembly 9, utilizes drive assembly 9 drive screen cloth 7 head upper and lower reciprocal vibrations, improves the screening efficiency to the material, can also avoid screen cloth 7 putty simultaneously, and the sand thin material drops from screen cloth 7 holes, and the stone coarse fodder is followed coarse fodder unloading slide 4 landing.

Specifically, as shown in fig. 1, fig. 2 and fig. 3, in this embodiment, the driving assembly 9 includes a driving motor 12, a rotating disk 13, a connecting arm 14 and a linkage arm 17, the driving motor 12 is installed on the screening box 1, the rotating disk 13 is fixed on an output shaft of the driving motor 12, a first pin rod 15 is fixed at an eccentric position on the surface of the rotating disk 13, a second pin rod 16 is fixed on an outer wall of the linkage arm 17, one end of the connecting arm 14 is sleeved on the first pin rod 15, and the other end is sleeved on the second pin rod 16; the outer wall of the linkage arm 17 is further fixed with a driving pin 18, the outer wall of the screening box 1 is provided with a sliding hole 11 for the driving pin 18 to penetrate through, and the driving pin 18 penetrates through the sliding hole 11 and then is hinged to the head end of the screen 7, in practice, when the head end of the screen 7 vibrates up and down, the distance in the horizontal direction is shortened, therefore, when the screen is used in practice, the driving pin 18 is designed into a telescopic structure, such as a sleeving structure of two sections of hollow cylindrical tubes, when the driving motor 12 drives the rotary disc 13 to rotate, the rotary disc 13 drives the connecting arm 14 to swing and move, when the connecting arm 14 swings, the connecting arm 14 can realize the possibility of swinging by driving the linkage arm 17 to reciprocate up and down, and the driving pin 18 of the telescopic structure is used for driving the screen 7 to vibrate.

Specifically, as shown in fig. 1, fig. 2, and fig. 3, in this embodiment, the coarse material blanking chute 4, the screen cloth 7, and the driving pin 18 are provided with two sets of screens distributed at intervals, that is, the sand and stone separation device of this embodiment is a two-stage separation device, and in actual use, the number of the sets of screens 7 installed can be changed according to actual use requirements, the number of the screens 7 of this embodiment is two, and the aperture of the upper screen 7 is generally larger than that of the lower screen 7, so as to ensure that the sand and stone are sufficiently screened.

Specifically, according to fig. 1 and fig. 2, in the present embodiment, a material guiding hopper 10 communicated with the discharging port 3 is fixed on the inner bottom surface of the screening box 1, and the fine sand is discharged by the material guiding hopper 10.

Specifically, according to fig. 1 and fig. 2, in the present embodiment, a fine material collecting box 5 is disposed below the discharge port 3, a coarse material collecting box 6 is disposed below the coarse material discharging chute 4, the fine sand material falls from the holes of the screen 7 and enters the fine material collecting box 5, and the coarse stone material slides from the coarse material discharging chute 4 and enters the coarse material collecting box 6.

Specifically, according to fig. 1, fig. 2 and fig. 5, in this embodiment, two sets of symmetrically distributed speed reduction assemblies are arranged in the material inlet hopper 2, each speed reduction assembly includes an expansion spring 20 and a speed reduction sliding plate 21, the speed reduction sliding plates 21 are hinged to the inner wall of the material inlet hopper 2, the expansion springs 20 are fixed between the speed reduction sliding plates 21 and the inner wall of the material inlet hopper 2, sand and stone materials can fall to impact the speed reduction sliding plates 21 after entering the material inlet hopper 2, the expansion springs 20 contract to generate a buffering effect, the speed of descending the sand and stone materials is reduced, and the sand and stone materials are prevented from directly impacting the screen 7 to damage the screen 7.

The working principle and the using process of the utility model are as follows: when the multistage sand-stone separator for the building engineering is used, sand-stone materials to be screened are fed into the screening box 1 from the feeding hopper 2, the driving assembly 9 is started, the driving assembly 9 is utilized to drive the head end of the screen 7 to vibrate up and down in a reciprocating mode, screening efficiency of the materials is improved, meanwhile, material blockage of the screen 7 can be avoided, fine sand materials fall from holes of the screen 7 and enter the fine material collecting box 5, and coarse stone materials fall from the coarse material discharging slide way 4 and enter the coarse material collecting box 6.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a multistage sand and stone separating centrifuge for building engineering, includes screening case (1), its characterized in that: the top surface of the screening box (1) is communicated with a feeding hopper (2), and the bottom surface of the screening box is communicated with a discharging hole (3); the outer side surface of the screening box (1) is communicated with a multi-stage coarse material discharging slideway (4), a plurality of stages of screens (7) corresponding to the coarse material discharging slideway (4) are arranged in the screening box (1), and the screens (7) are inclined; a connecting frame (8) is fixed on the inner wall of the screening box (1) close to the coarse material discharging slide way (4), the tail end of the screen (7) is hinged with the connecting frame (8), and a driving assembly (9) for driving the head end of the screen (7) to vibrate up and down in a reciprocating manner is further mounted on the screening box (1); and a blanking notch (19) is formed in one end, close to the connecting frame (8), of the screen (7).

2. The multistage sand and stone separator for construction engineering according to claim 1, characterized in that: the driving assembly (9) comprises a driving motor (12), a rotary table (13), a connecting arm (14) and a linkage arm (17), the driving motor (12) is installed on the screening box (1), the rotary table (13) is fixed on an output shaft of the driving motor (12), a first pin rod (15) is fixed at an eccentric position on the surface of the rotary table (13), a second pin rod (16) is fixed on the outer wall of the linkage arm (17), one end of the connecting arm (14) is sleeved on the first pin rod (15), and the other end of the connecting arm is sleeved on the second pin rod (16); the outer wall of the linkage arm (17) is further fixed with a driving pin (18), the outer wall of the screening box (1) is provided with a sliding hole (11) for the driving pin (18) to penetrate through, and the driving pin (18) penetrates through the sliding hole (11) and then is hinged to the head end of the screen (7).

3. The multistage sand and stone separator for construction engineering according to claim 2, characterized in that: the coarse material blanking slide way (4), the screen (7) and the driving pin (18) are respectively provided with two groups which are distributed at intervals.

4. The multistage sand and stone separator for construction engineering according to claim 1, characterized in that: a material guide hopper (10) communicated with the discharge hole (3) is fixed on the inner bottom surface of the screening box (1).

5. The multistage sand and stone separator for construction engineering according to claim 1, characterized in that: and a fine material collecting box (5) is arranged below the discharge port (3), and a coarse material collecting box (6) is arranged below the coarse material blanking slideway (4).

6. The multistage sand and stone separator for construction engineering according to claim 1, characterized in that: go into to be equipped with the speed reduction subassembly of two sets of symmetric distributions in hopper (2), just the speed reduction subassembly includes expanding spring (20) and speed reduction slide (21), speed reduction slide (21) articulate go into hopper (2) inner wall, expanding spring (20) are fixed speed reduction slide (21) with go into between the inner wall of hopper (2).

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