CN215964785U

CN215964785U - Dry method machine-made sand screening device

Info

Publication number: CN215964785U
Application number: CN202122458585.XU
Authority: CN
Inventors: 杨宝强
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-03-08
Anticipated expiration: 2031-10-13

Abstract

The utility model belongs to the technical field of screening devices, and particularly relates to a dry-method machine-made sand screening device which comprises a rolling screening bin, wherein a linear vibration screening bin is connected above the rolling screening bin through a connecting piece, the upper end of the linear vibration screening bin is communicated with a hopper, a broken stone discharging pipe communicated with the interior of the linear vibration screening bin is arranged on one side of the linear vibration screening bin, a straight screening plate inclining downwards towards one end of the broken stone discharging pipe is arranged in the linear vibration screening bin, a communicating pipe is arranged at the lower end of the linear vibration screening bin, and the lower end of the communicating pipe is sleeved in the rolling screening bin. According to the utility model, the rotary drum screen is arranged in the rolling screening bin, the rotary drum screen is utilized to rotate to drive the gravel to be screened to move upwards and roll down for screening, the gravel to be screened is not easy to block the rotary drum screen, and the spiral plate arranged in the rotary drum screen is convenient for moving the gravel to be screened which cannot pass through the rotary drum screen to the coarse sand feeding plate.

Description

Dry method machine-made sand screening device

Technical Field

The utility model relates to the technical field of screening devices, in particular to a dry-method machine-made sand screening device.

Background

The machine-made sand generally refers to artificial sand, also called broken sand, which is repeatedly broken by a sand making machine to a particle size of less than 4.75mm from broken stones and gravels. The manufacturing process of the machine-made sand is to repeatedly crush and then screen the crushed stones. The conventional screening devices for dry-process sand have the following problems:

1. common screening plant common structure is comparatively simple, treats the sieve material through setting up the different sieve boards of multilayer sieve mesh diameter and sieves, treats that the sieve material easily blocks up the sieve.

2. Conventional screening devices typically use vibratory screening methods, which typically generate loud noises in order to achieve the screening effect.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a dry-method machine-made sand screening device, which solves the problems of uneven mixing and higher noise of machine-made sand mentioned in the technical background.

The second technical proposal.

The utility model specifically adopts the following technical scheme for realizing the purpose:

the utility model provides a dry process machine-made sand screening plant, includes the roll screening storehouse, the top in roll screening storehouse is connected with linear vibration screening storehouse through the connecting piece, the upper end intercommunication in linear vibration screening storehouse has the hopper, and its one side is equipped with the rubble discharging pipe rather than inside intercommunication, the inside in linear vibration screening storehouse is equipped with the straight sieve board that inclines to the decurrent towards rubble discharging pipe one end, the lower extreme in linear vibration screening storehouse is equipped with communicating pipe, the lower pot head of communicating pipe is established in the inside in roll screening storehouse, and its one side is equipped with vibrating motor, be equipped with on the lateral wall in roll screening storehouse one end along vertical direction coarse sand discharging pipe and the machine-made sand discharging pipe of arranging downwards in proper order, be equipped with the supporting leg on the lateral wall in roll screening storehouse.

Further, the connecting piece is including being the T type connecting portion of rectangular array distribution in roll screen storehouse upper end, be equipped with the connection piece that corresponds with T type connecting portion position in vertical direction on the lateral wall in linear vibration screen storehouse, be connected through expanding spring between connection piece and the T type connecting portion.

Further, one side in roll screening storehouse is equipped with the step motor, the drive end of step motor passes through the shaft coupling and sets up the pivot fixed connection in roll screening storehouse inside, be equipped with auger and the drum sieve that arrange in proper order along its direction of extension in the pivot.

Furthermore, the outer part of the packing auger is provided with a feeding bin, and one end of the feeding bin, which is far away from the progressive motor, is sleeved in the rotary screen and is not contacted with the rotary screen.

Furthermore, a spiral plate is arranged on the inner side wall of the drum screen, a coarse sand feeding plate is arranged inside the rolling screening bin, and one end of the coarse sand feeding plate is communicated with a coarse sand discharging pipe.

Further, the bottom wall of the rolling screening bin is arranged to be an inclined plane, and the lower end of the inclined plane is communicated with the machine-made sand discharging pipe.

(III) advantageous effects

Compared with the prior art, the utility model provides a dry-method machine-made sand screening device which has the following beneficial effects:

1. according to the utility model, the rotary drum screen is arranged in the rolling screening bin, the rotary drum screen is utilized to rotate to drive the gravel to be screened to move upwards and roll down for screening, the gravel to be screened is not easy to block the rotary drum screen, and the spiral plate arranged in the rotary drum screen is convenient for moving the gravel to be screened which cannot pass through the rotary drum screen to the coarse sand feeding plate.

2. According to the utility model, the large-particle crushed stones in the gravel to be screened are simply screened out by arranging the linear vibration screening bin, so that the power of the vibration motor is reduced, and compared with the conventional vibration screening mode, the noise generated by fine screening through the drum screen is lower.

Drawings

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

FIG. 2 is a schematic perspective view of another embodiment of the present invention;

FIG. 3 is a schematic front view of the present invention;

FIG. 4 is a sectional view taken along the direction A-A of the present invention.

In the figure: 1. rolling and screening the bin; 2. a linear vibration screening bin; 201. a hopper; 202. a crushed stone discharging pipe; 203. a communicating pipe; 204. a straight sieve plate; 205. a vibration motor; 3. a connecting member; 301. a T-shaped connecting part; 302. connecting sheets; 303. a tension spring; 4. a motor is advanced; 401. a rotating shaft; 5. a feeding bin; 501. a packing auger; 6. a drum screen; 601. a spiral plate; 7. a coarse sand feeding plate; 8. a coarse sand discharge pipe; 9. a machine-made sand discharge pipe; 10. and (5) supporting legs.

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

As shown in fig. 1, 2, 3 and 4, a dry-process machine-made sand screening device according to an embodiment of the present invention includes a rolling screening bin 1, a linear vibration screening bin 2 is connected to an upper portion of the rolling screening bin 1 through a connecting member 3, an upper end of the linear vibration screening bin 2 is communicated with a hopper 201, and a crushed stone discharging pipe 202 communicated with an inside thereof is disposed at one side thereof, a linear sieve plate 204 inclined downward toward one end of the crushed stone discharging pipe 202 is disposed inside the linear vibration screening bin 2, a communicating pipe 203 is disposed at a lower end of the linear vibration screening bin 2, a lower end of the communicating pipe 203 is sleeved inside the rolling screening bin 1, and a vibrating motor 205 is disposed at one side thereof, a coarse sand discharging pipe 8 and a machine-made sand discharging pipe 9 sequentially arranged downward in a vertical direction are disposed on a side wall of one end of the rolling screening bin 1, supporting legs 10 are disposed on a side wall of the rolling screening bin 1, and a rotary drum screen 6 is disposed in the rolling screening bin 1, utilize rotary screen 6 to rotate the mode that drives the grit that waits to sieve and upwards remove and roll and fall and sieve, the grit that waits to sieve is difficult for blockking up rotary screen 6, through the spiral plate 601 of the inside setting of rotary screen 6, is convenient for make can not remove on coarse sand feed plate 7 through the grit that waits to sieve of rotary screen 6.

As shown in fig. 2 and 3, in some embodiments, the connecting member 3 includes T-shaped connecting portions 301 distributed in a rectangular array at the upper end of the rolling screening bin 1, connecting pieces 302 corresponding to the T-shaped connecting portions 301 in the vertical direction are disposed on the side walls of the linear vibration screening bin 2, the connecting pieces 302 are connected to the T-shaped connecting portions 301 through telescopic springs 303, and the telescopic springs 303 are arranged to achieve a damping effect, so that the vibration motor 205 has a small influence on the rolling screening bin 1.

As shown in fig. 4, in some embodiments, a progressive motor 4 is disposed on one side of the rolling screening bin 1, a driving end of the progressive motor 4 is fixedly connected with a rotating shaft 401 disposed inside the rolling screening bin 1 through a coupling, an auger 501 and a rotary screen 6 sequentially arranged along an extension direction of the rotating shaft 401 are disposed on the rotating shaft 401, and gravel is conveniently conveyed to the inside of the rotary screen 6 through the arrangement of the auger 501.

As shown in fig. 4, in some embodiments, a feeding bin 5 is arranged outside the auger 501, one end of the feeding bin 5 far away from the step motor 4 is sleeved inside the drum screen 6 and does not contact with the drum screen, and through the arrangement of the feeding bin 5, gravel entering the rolling screening bin 1 from the communicating pipe 203 firstly enters the feeding bin 5 and is transferred to the inside of the drum screen 6 through the auger 501.

As shown in fig. 4, in some embodiments, a spiral plate 601 is disposed on the inner side wall of the drum screen 6, a coarse sand feeding plate 7 is disposed inside the rolling screening bin 1, one end of the coarse sand feeding plate 7 is communicated with the coarse sand discharging pipe 8, and the coarse sand feeding plate 7 is disposed to facilitate feeding of the gravel not passing through the drum screen 6 into the coarse sand discharging pipe 8.

As shown in fig. 4, in some embodiments, the bottom wall of the rolling screening bin 1 is provided with an inclined surface, and the lower end of the inclined surface is communicated with the machine-made sand discharging pipe 9, so that the machine-made sand screened by the drum screen 6 can be conveniently collected by the inclined surface.

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

1. The utility model provides a dry process mechanism sand screening plant, includes roll screening storehouse (1), its characterized in that: the upper part of the rolling screening bin (1) is connected with a linear vibrating screening bin (2) through a connecting piece (3), the upper end of the linear vibrating screening bin (2) is communicated with a hopper (201), and one side of the linear vibration screening bin is provided with a gravel discharging pipe (202) communicated with the interior of the linear vibration screening bin, a straight screening plate (204) inclining downwards towards one end of the gravel discharging pipe (202) is arranged in the linear vibration screening bin (2), the lower end of the linear vibration screening bin (2) is provided with a communicating pipe (203), the lower end of the communicating pipe (203) is sleeved inside the rolling screening bin (1), and one side of the rolling screening bin is provided with a vibrating motor (205), the side wall of one end of the rolling screening bin (1) is provided with a coarse sand discharging pipe (8) and a machine-made sand discharging pipe (9) which are sequentially arranged downwards along the vertical direction, and the side wall of the rolling screening bin (1) is provided with supporting legs (10).

2. The dry-process manufactured sand screening device of claim 1, wherein: the connecting piece (3) is including being T type connecting portion (301) that the rectangle array distributes in roll screening storehouse (1) upper end, be equipped with on the lateral wall in straight line vibration screening storehouse (2) with T type connecting portion (301) connection piece (302) that the position corresponds on vertical direction, be connected through expanding spring (303) between connection piece (302) and T type connecting portion (301).

3. The dry-process manufactured sand screening device of claim 1, wherein: one side in roll screening storehouse (1) is equipped with step motor (4), the drive end of step motor (4) passes through the shaft coupling and sets up pivot (401) fixed connection in roll screening storehouse (1) inside, be equipped with auger (501) and drum sieve (6) that arrange in proper order along its extension direction on pivot (401).

4. The dry-process manufactured sand screening device according to claim 3, wherein: the outside of auger (501) is equipped with feeding bin (5), feeding bin (5) keep away from the pot head of progressive motor (4) and establish the inside at drum sieve (6) and not contact with it.

5. The dry-process manufactured sand screening device according to claim 4, wherein: the inner side wall of the drum screen (6) is provided with a spiral plate (601), the inside of the rolling screening bin (1) is provided with a coarse sand feeding plate (7), and one end of the coarse sand feeding plate (7) is communicated with a coarse sand discharging pipe (8).

6. The dry-process manufactured sand screening device of claim 1, wherein: the bottom wall of the rolling screening bin (1) is an inclined plane, and the lower end of the inclined plane is communicated with a machine-made sand discharging pipe (9).