CN219273602U - Sand and stone screening device - Google Patents

Abstract

The utility model relates to the technical field of screening devices, and discloses a sand screening device, which comprises: this sieving mechanism, through cleaning device, the hole of screen cloth when rotatory, the frustum piece can be inserted into the hole of screen cloth the inside, can discharge the stone of jam, and the screen cloth continues to rotate, can extrude the frustum piece at this moment and make the frustum piece remove to the bottom, and the spring compression can be with the frustum piece shrink into the cell body inside, runs into next hole spring and kick-backs, and the frustum piece can insert the hole and clean, compares in current device, and this device can not delay the work efficiency of screening, does not have manual intervention in whole clear in-process moreover. This sieving mechanism can break up the grit through puddler and toper piece, because the grit generally is that the inside that stacks up has moisture will take place the caking so that the speed is slow when screening seriously influences the work efficiency of screening, and the setting up of puddler can break up the grit of caking and make screening get up easier to work efficiency also can increase.

Description

Sand and stone screening device

Technical Field

The utility model relates to the technical field of screening devices, in particular to a sand screening device.

Background

Along with the continuous development of the building industry, the requirements of building engineering on building materials are continuously improved, the purity of the building materials must meet the requirements of building standards, sand and stone screening machines are often used for concrete mixing stations and mainly used for separating particles which do not meet the requirements, such as pebbles, mud blocks and the like, in sand, sand and stone meeting the building standards are screened out through screening by taking a 10-millimeter square-hole screen as a standard on a screen drum of the sand and stone screening machine, and the sand and stone screening machine is used as a material for manufacturing concrete.

The utility model discloses a sand screening machine capable of preventing a screen plate from being blocked, which is characterized in that a device capable of preventing holes of the screen plate from being blocked is designed, and the condition that the screening efficiency is low due to the fact that stones block the screen plate can be avoided.

But current device need manual clean when using, and still need to stop the work with grit screening machine after cleaning to it, this makes clean longer that takes to can influence work efficiency, but the problem that above-mentioned proposes has designed an automatically cleaning to the grit screening machine that cleaning efficiency is high, in order to solve the above-mentioned problem.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the sand screening device which has the advantages of automatic cleaning and high cleaning efficiency, and solves the problems that the prior device needs to stop the sand screening machine when cleaning and the cleaning process is too troublesome, so that the working efficiency is low.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: a sand screening apparatus comprising: the top of the screening barrel is provided with a driving device; the screen is arranged at the bottom of the driving device; the plate body is arranged in the screening barrel; the inside of screening bucket is provided with cleaning device, cleaning device includes: the fixed plate is obliquely arranged on the inner side wall of the screening barrel, and the inclination angle of the fixed plate is the same as that of the screen mesh; the groove bodies are arranged and are all arranged at the top of the fixed plate; the springs are arranged on the inner side walls of the bottoms of the groove bodies; the connecting blocks are arranged at the tops of the springs; the frustum blocks are correspondingly arranged at the top of the connecting blocks according to the number of the connecting blocks, and the tops of the frustum blocks penetrate through holes in the screen mesh.

Preferably: the cleaning device further includes: and the first balls are provided with a plurality of groups and are arranged on the outer side wall of each frustum block.

Preferably: the cleaning device further includes: and the second balls are provided with a plurality of balls and are all arranged at the top of the frustum block.

Preferably: the cleaning device further includes: the scraping blocks are arranged on the outer side walls of the connecting blocks, and the bottoms of the scraping blocks are connected with the fixing plates.

Preferably: an auxiliary assembly is provided on a portion of the components of the cleaning device, the auxiliary assembly comprising: stirring rods are symmetrically arranged on the outer side wall of the driving device.

Preferably: the auxiliary assembly further comprises: the toper piece is provided with a plurality of, all set up in the top of puddler.

Preferably: the auxiliary assembly further comprises: and the vibration machine is arranged at the bottom of the plate body.

Preferably: the holes on the screen are of an inclined design.

(III) beneficial effects

Compared with the prior art, the utility model provides a sand screening device, which has the following beneficial effects:

1. this sieving mechanism, through cleaning device, in-use drive arrangement drives the screen cloth and rotates, this moment adds the grit to screening barrel inside, at this moment small fine sand will flow into on the plate body through the hole on the screen cloth and the big stone of volume then rolls out from the edge of screen cloth, the in-process of screening is not free to have stone to block up the hole of screen cloth, this moment because be provided with cleaning device in the screen cloth bottom and make when the screen cloth rotates, the frustum piece can inject the hole inside of screen cloth, can discharge the stone that blocks up, the screen cloth continues to rotate, at this moment can extrude the frustum piece and make the frustum piece to remove to the bottom, the spring compression can shrink the frustum piece into the cell body inside, meet next hole spring resilience, the frustum piece can inject the hole and clean, compare in current device, this device can just clean the screen cloth when screening the grit, can not mistake the work efficiency of screening, and it is very convenient to use manual intervention not to use in whole clean in-process.

2. This sieving mechanism can break up the grit through puddler and toper piece, because the grit generally is that the inside that stacks up has moisture will take place the caking so that the speed is slow when screening seriously influences the work efficiency of screening, and the setting up of puddler can break up the grit of caking and make screening get up easier to work efficiency also can increase.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, 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 utility model, 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 diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the connection of the drive device to the sifting barrel according to the present utility model;

FIG. 3 is a schematic view of the structure of the frustum block of the utility model penetrating through the holes of the screen.

In the figure: 11. screening barrels; 12. a driving device; 13. a screen; 14. a plate body;

2. a cleaning device; 21. a fixing plate; 22. a tank body; 23. a spring; 24. a connecting block; 25. a frustum block; 26. a first ball; 27. a second ball; 28. scraping blocks;

3. an auxiliary component; 31. a stirring rod; 32. a conical block; 33. and (5) a vibration machine.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

A sand screening apparatus comprising: a screening barrel 11, wherein a driving device 12 is arranged at the top of the screening barrel 11; a screen 13 provided at the bottom of the driving device 12; a plate 14 disposed inside the sieving barrel 11; the inside of the sieving barrel 11 is provided with a cleaning device 2, the cleaning device 2 comprising: a fixing plate 21 which is obliquely arranged on the inner side wall of the sieving barrel 11 and has the same inclination angle as the screen 13; a plurality of grooves 22, which are all arranged on the top of the fixed plate 21; a plurality of springs 23, each disposed on the inner side wall of the bottom of the tank 22; a plurality of connection blocks 24, each of which is provided at the top of the spring 23; the frustum blocks 25 are correspondingly arranged at the top of the connecting blocks 24 according to the number of the connecting blocks 24, and the top of each frustum block penetrates through the holes in the screen 13. The cleaning device 2 further comprises: and a first ball 26, which is provided with a plurality of groups, is arranged on the outer side wall of each frustum block 25. The cleaning device 2 further comprises: and a plurality of second balls 27 are arranged on the top of the frustum block 25. The cleaning device 2 further comprises: a scraping block 28 is provided on an outer sidewall of each connection block 24, and a bottom is connected to the fixing plate 21. The holes on the screen 13 are of an inclined design.

Referring to fig. 1-3, when in use, the driving device 12 is started to drive the screen 13 to rotate, sand is added into the screening barrel 11, small fine sand flows into the plate 14 through holes in the screen 13, large stones roll out from the edges of the screen 13, stones are not prevented from blocking the holes in the screen 13 in the screening process, at this time, because the cleaning device 2 is arranged at the bottom of the screen 13, when the screen 13 rotates, the frustum blocks 25 can be inserted into the holes in the screen 13, the blocked stones can be discharged, the screen 13 continues to rotate, at this time, the frustum blocks 25 can be extruded to enable the frustum blocks 25 to move to the bottom, the springs 23 are compressed, the frustum blocks 25 can be contracted into the groove 22, the next hole springs 23 are encountered, the frustum blocks 25 can be inserted into the holes to be cleaned, friction force is reduced when the holes in the screen 13 are extruded by the balls 26, and the friction force between the frustum blocks 25 and the screen 13 can be reduced, and the sand can be prevented from entering the groove 22 when the friction force between the frustum blocks 28 is reduced by the balls 27.

Example two

An auxiliary assembly is provided on the basis of the first embodiment;

an auxiliary assembly 3 is provided on part of the components of the cleaning device 2, the auxiliary assembly 3 comprising: the stirring rods 31 are symmetrically arranged on the outer side wall of the driving device 12. The auxiliary assembly 3 further comprises: the conical blocks 32 are provided in plurality and are all arranged at the top of the stirring rod 31. The auxiliary assembly 3 further comprises: a vibrator 33 provided at the bottom of the plate 14

Referring to fig. 1-3, in use, because sand is generally deposited, the humidity in the rainy day is relatively high, sand agglomeration is likely to occur, the speed of screening sand is very slow, the agglomerated sand can be scattered by the stirring rod 31 and the conical block 32, sand screening is facilitated, and the vibrator 33 is arranged to prevent excessive accumulation of fine sand on the plate 14 and discharge from the discharge outlet in time, so that blockage is avoided.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model 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 utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims (8)

1. A sand screening apparatus comprising:

the screening device comprises a screening barrel (11), wherein a driving device (12) is arranged at the top of the screening barrel (11);

a screen (13) provided at the bottom of the drive device (12);

a plate body (14) which is arranged in the screening barrel (11);

the method is characterized in that: the inside of screening bucket (11) is provided with cleaning device (2), cleaning device (2) include:

a fixed plate (21) which is obliquely arranged on the inner side wall of the screening barrel (11) and has the same inclination angle as the screen (13);

a plurality of groove bodies (22) which are arranged at the top of the fixed plate (21);

a plurality of springs (23) which are arranged on the inner side wall of the bottom of the groove body (22);

a plurality of connecting blocks (24) which are arranged at the top of the springs (23);

the frustum blocks (25) are correspondingly arranged at the tops of the connecting blocks (24) according to the number of the connecting blocks (24), and the tops of the frustum blocks penetrate through holes in the screen (13).

2. A sand screening apparatus according to claim 1, wherein: the cleaning device (2) further comprises:

and the first balls (26) are provided with a plurality of groups and are arranged on the outer side wall of each frustum block (25).

3. A sand screening apparatus according to claim 1, wherein: the cleaning device (2) further comprises:

and a plurality of second balls (27) are arranged on the top of the frustum block (25).

4. A sand screening apparatus according to claim 1, wherein: the cleaning device (2) further comprises:

the scraping blocks (28) are arranged on the outer side wall of each connecting block (24), and the bottoms of the scraping blocks are connected with the fixing plates (21).

5. A sand screening apparatus according to claim 1, wherein: an auxiliary assembly (3) is arranged on part of the components of the cleaning device (2), and the auxiliary assembly (3) comprises:

the stirring rods (31) are symmetrically arranged on the outer side wall of the driving device (12).

6. A sand screening apparatus according to claim 5, wherein: the auxiliary assembly (3) further comprises:

and a plurality of conical blocks (32) are arranged at the top of the stirring rod (31).

7. A sand screening apparatus according to claim 5, wherein: the auxiliary assembly (3) further comprises:

and a vibration machine (33) provided at the bottom of the plate body (14).

8. A sand screening apparatus according to claim 1, wherein: the holes on the screen (13) are of an inclined design.

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