CN211070749U

CN211070749U - Grit screening plant for construction

Info

Publication number: CN211070749U
Application number: CN201921523938.6U
Authority: CN
Inventors: 福生
Original assignee: Zunyi Zhongxin Building Materials Co ltd
Current assignee: Zunyi Zhongxin Building Materials Co ltd
Priority date: 2019-09-13
Filing date: 2019-09-13
Publication date: 2020-07-24
Anticipated expiration: 2029-09-13

Abstract

The utility model discloses a grit screening plant for construction, the power distribution box comprises a box body, the top fixed mounting of box has the feeder hopper, the feeder hopper with the box is internal to be linked together, fixed mounting has first sieve in the box, the top of first sieve is equipped with first pivot, fixed cover is equipped with first helical impeller in the first pivot, first helical impeller with the top of first sieve contacts, first through-hole has been seted up at the top of first sieve, fixed mounting has to be located in the box first baffle of first sieve below, first baffle sets up for the slope, the top of first baffle with the bottom of first sieve contacts, one side fixed mounting of box has first discharging pipe. The utility model relates to a rationally, the practicality is good, can carry out the classified screening to the grit according to the volume and the diameter size of grit, and screening effect is good, and screening efficiency is high.

Description

Grit screening plant for construction

Technical Field

The utility model relates to a screening equipment technical field specifically is a grit screening plant for construction.

Background

The sandstone refers to a loose mixture of sand and gravel, is often used as a high-quality building material and a concrete raw material due to good hardness and stable chemical properties, is not widely applied to the fields of houses, roads, highways, railways, engineering and the like in building sites, and is screened by using screening equipment when used, and then is used for manufacturing concrete and the like.

However, in the prior art, most grit screening equipment for building construction only has the one deck sieve to sieve, just sieves out debris such as great stone in the grit, can not carry out more careful grading, makes the result of screening meticulous inadequately, can not satisfy and be used for the demand in many places according to the grit diameter to current screening equipment sieves inadequately, makes the screening effect not good, and screening efficiency is low, for this reason, we propose a grit screening plant for building construction and be used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a grit screening plant for construction has solved the problem that grit screening equipment for construction is not good to the screening effect of grit, and screening efficiency is low.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a gravel screening device for building construction comprises a box body, wherein a feed hopper is fixedly mounted at the top of the box body, the feed hopper is communicated with the interior of the box body, a first sieve plate is fixedly mounted in the box body, a first rotating shaft is arranged above the first sieve plate, a first spiral impeller is fixedly sleeved on the first rotating shaft and is in contact with the top of the first sieve plate, a first through hole is formed in the top of the first sieve plate, a first baffle positioned below the first sieve plate is fixedly mounted in the box body, the first baffle is arranged in an inclined manner, the top of the first baffle is in contact with the bottom of the first sieve plate, a first discharging pipe is fixedly mounted on one side of the box body and is communicated with the first through hole, a second sieve plate is fixedly mounted in the box body, a second rotating shaft is arranged above the second sieve plate, a second spiral impeller is fixedly mounted on the second rotating shaft, the second spiral impeller is in contact with the top of the second sieve plate, a second through hole is formed in the top of the second sieve plate, a second baffle plate located below the second sieve plate is fixedly mounted in the box body, the second baffle plate is arranged in an inclined mode, the top of the second baffle plate is in contact with the bottom of the second sieve plate, a second discharging pipe is fixedly mounted on one side, away from the first discharging pipe, of the box body, a third discharging pipe is fixedly mounted at the bottom of the box body and communicated with the box body, first mounting holes are formed in the inner walls of the two sides of the box body, the two ends of the first rotating shaft penetrate through the corresponding first mounting holes respectively, and a first belt pulley is fixedly mounted at one end, located outside the box body, of the first rotating shaft, the utility model discloses a box, including box, first pivot, second pivot, first belt pulley, second pivot and first belt pulley, all seted up the second mounting hole on the both sides inner wall of box, the both ends of second pivot run through respectively corresponding the second mounting hole, the second pivot is located the fixed cover of the outer one end of box is equipped with the second belt pulley, the second belt pulley with around being equipped with same belt on the first belt pulley, one side of box is equipped with the motor, the output shaft end of motor with the second pivot is located the outer one.

Preferably, one side fixed mounting of box has the protection casing, the second belt pulley first belt pulley with the belt all is located in the protection casing, the one end of second pivot is run through the protection casing.

Preferably, both ends of the first rotating shaft are rotatably connected with the first mounting hole through bearings.

Preferably, both ends of the second rotating shaft are rotatably connected with the second mounting hole through bearings.

Preferably, a guide plate is fixedly installed in the box body, the guide plate is arranged in an inclined mode, and the guide plate is located between the first sieve plate and the second helical impeller.

Preferably, a supporting plate is fixedly installed on one side of the box body, and the motor is fixedly installed at the top of the supporting plate.

(III) advantageous effects

The utility model provides a grit screening plant for construction. The method has the following beneficial effects:

(1) the utility model provides a grit screening plant for construction, work through the starter motor, the motor drives the second pivot, second belt pulley and second helical blade wheel rotate, under the transmission of belt, make first belt pulley drive first pivot and first helical blade wheel and rotate, the grit gets into the box from the feeder hopper and falls into on the first sieve, under the filtering action of first sieve and the rotation of first helical blade wheel, make the grit move on the first sieve, bulky grit passes first through-hole and discharges from first discharging pipe under the block of first baffle, the grit that is less than passes through first sieve under the guide effect of guide plate, fall onto the second sieve, block the great grit of volume in the grit through utilizing first sieve, the grit on utilizing first helical blade wheel's rotation to drive the first sieve takes place the motion and carries, can make the small grit of volume on the first sieve filter more comprehensive to can discharge the great grit of volume from first discharging pipe, effectively sieve the great grit of volume.

(2) This kind of grit screening plant for construction, through under the filtering action of second sieve and under the rotation effect of second helical blade wheel, the grit takes place the motion on the second sieve, the moderate grit of volume passes the second through-hole and discharges from the second discharging pipe under the blocking of second baffle, the small grit passes through the second sieve and discharges from the third discharging pipe, thereby can carry out the stage screening to the grit according to the volume and the diameter size of grit, make the grit volume that discharges from first discharging pipe the biggest, discharge the grit volume from the second discharging pipe moderate, thereby the grit volume that the third discharging pipe discharges is minimum, under the rotation and the transport of second helical blade wheel 11, make the grit take place the motion on the sieve, utilize the second sieve to carry out effectual screening separation to the grit that the volume is moderate and the grit that the volume is less, thereby realize carrying out tertiary screening separation to the grit, the screening efficiency and the screening quality are improved, and the use in working is facilitated.

Drawings

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

fig. 2 is an enlarged schematic view of a portion a of fig. 1.

In the figure: 1. a box body; 2. a feed hopper; 3. a first screen deck; 4. a first rotating shaft; 5. a first helical impeller; 6. a first through hole; 7. a first baffle plate; 8. a first discharge pipe; 9. a second screen deck; 10. a second rotating shaft; 11. a second helical impeller; 12. a second through hole; 13. a second baffle; 14. a second discharge pipe; 15. a third discharge pipe; 16. a first mounting hole; 17. a first pulley; 18. a second mounting hole; 19. a second pulley; 20. a belt; 21. a motor; 22. a baffle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-2, the utility model provides a technical solution: a sand and stone screening device for building construction comprises a box body 1, a feed hopper 2 is fixedly installed at the top of the box body 1, the feed hopper 2 is communicated with the inside of the box body 1, a first sieve plate 3 is fixedly installed in the box body 1, a first rotating shaft 4 is arranged above the first sieve plate 3, a first spiral impeller 5 is fixedly sleeved on the first rotating shaft 4, the first spiral impeller 5 is contacted with the top of the first sieve plate 3, a first through hole 6 is formed in the top of the first sieve plate 3, a first baffle 7 positioned below the first sieve plate 3 is fixedly installed in the box body 1, the first baffle 7 is arranged in an inclined manner, the top of the first baffle 7 is contacted with the bottom of the first sieve plate 3, a first discharge pipe 8 is fixedly installed at one side of the box body 1, the first discharge pipe 8 is communicated with the first through hole 6, a second sieve plate 9 is fixedly installed in the box body 1, a second rotating shaft 10 is arranged, a second spiral impeller 11 is fixedly installed on the second rotating shaft 10, the second spiral impeller 11 is in contact with the top of the second sieve plate 9, a second through hole 12 is formed in the top of the second sieve plate 9, a second baffle plate 13 positioned below the second sieve plate 9 is fixedly installed in the box body 1, the second baffle plate 13 is obliquely arranged, the top of the second baffle plate 13 is in contact with the bottom of the second sieve plate 9, a second discharging pipe 14 is fixedly installed at one side of the box body 1 away from the first discharging pipe 8, the second discharging pipe 14 is communicated with the second through hole 12, a third discharging pipe 15 is fixedly installed at the bottom of the box body 1, the third discharging pipe 15 is communicated with the box body 1, first installing holes 16 are formed in the inner walls of the two sides of the box body 1, the two ends of the first rotating shaft 4 respectively penetrate through the corresponding first installing holes 16, and a first belt pulley 17 is fixedly installed at one end of the first rotating shaft 4, second mounting hole 18 has all been seted up on the both sides inner wall of box 1, and corresponding second mounting hole 18 is run through respectively at the both ends of second pivot 10, and the fixed cover of one end that second pivot 10 is located the box 1 outside is equipped with second belt pulley 19, and around being equipped with same belt 20 on second belt pulley 19 and the first belt pulley 17, one side of box 1 is equipped with motor 21, and motor 21's output axle head and second pivot 10 are located the outer one end fixed connection of box 1.

One side fixed mounting of box 1 has the protection casing, second belt pulley 19, first belt pulley 17 and belt 20 all are located the protection casing, the protection casing is run through to the one end of

second pivot

10, 4 both ends of first pivot are all rotated through bearing and first mounting hole 16 and are connected, 10 both ends of second pivot are all rotated through bearing and second mounting hole 18 and are connected, fixed mounting has guide plate 22 in the box 1, guide plate 22 sets up for the slope, the guide plate is located between first sieve 3 and the second helical blade wheel 11, one side fixed mounting of box 1 has the backup pad, motor 21 fixed mounting is at the top of backup pad.

When in use, a control switch and an external power line are fixedly installed on the box body 1, a motor 21, the control switch and the external power line are sequentially electrically connected to form a closed loop, the control switch controls the start and stop of the motor 21, the aperture of the first sieve plate 3 is larger than that of the second sieve plate 9, the motor 21 is started to work, the motor 21 drives the second rotating shaft 10, the second belt pulley 19 and the second helical impeller 11 to rotate, under the transmission action of a belt 20, the first belt pulley 17 is driven to rotate, so that the first belt pulley 17 drives the first rotating shaft 4 and the first helical impeller 5 to rotate, sand and stones enter the box body 1 from the feed hopper 2 and fall onto the first sieve plate 3, under the filtering action of the first sieve plate 3 and the rotating action of the first helical impeller 5, the sand and stones with large volume are moved on the first sieve plate 3, under the conveying action of the first helical impeller 5, big sand passes through the first through hole 6 and is discharged from the first discharging pipe 8 under the blocking of the first baffle 7, the sand with small volume passes through the first sieve plate 3 and falls onto the second sieve plate 9 under the guiding action of the guide plate 22, the sand moves on the second sieve plate 9 under the filtering action of the second sieve plate 9 and the rotating action of the second helical impeller 11, the sand with moderate volume is remained on the second sieve plate 9, under the conveying action of the second helical impeller 11, the sand with moderate volume passes through the second through hole 12 and is discharged from the second discharging pipe 14 under the blocking action of the second baffle 13, the sand with small volume passes through the second sieve plate 9 and is discharged from the third discharging pipe 15, thereby the sand can be graded and screened according to the volume and the diameter of the sand, the sand discharged from the first discharging pipe 8 has the largest volume, the sand discharged from the second discharging pipe 14 has moderate volume, the volume of sand discharged from the third discharge pipe 15 is thus minimal, and after the sand has been screened, the operation of the motor 21 is stopped, and details not described in detail in this description are well known to the person skilled in the art.

To sum up, the gravel screening device for building construction is characterized in that a motor 21 is started to work, the motor 21 drives a second rotating shaft 10, a second belt pulley 19 and a second helical impeller 11 to rotate, under the transmission action of a belt 20, a first belt pulley 17 drives a first rotating shaft 4 and a first helical impeller 5 to rotate, gravel enters a box body 1 from a feed hopper 2 and falls onto a first sieve plate 3, under the filtering action of the first sieve plate 3 and the rotating action of the first helical impeller 5, the gravel moves on the first sieve plate 3, the large-size gravel passes through a first through hole 6 and is discharged from a first discharge pipe 8 under the blocking action of a first baffle 7, the small-size gravel passes through the first sieve plate 3 under the guiding action of a guide plate 22 and falls onto a second sieve plate 9, under the filtering action of the second sieve plate 9 and the rotating action of the second helical impeller 11, the gravel moves on the second sieve plate 9, moderate grit of volume passes second through-hole 12 and discharges from second discharging pipe 14 under the blockking of second baffle 13, and the grit of small volume passes through second sieve 9 and discharges from third discharging pipe 15, thereby can carry out classified screening to the grit according to the volume and the diameter size of grit, makes from the grit volume of first discharging pipe 8 the biggest, and it is moderate from second discharging pipe 14 discharge grit volume, thereby third discharging pipe 15 exhaust grit volume is minimum, the utility model relates to a rationally, the practicality is good, can carry out classified screening to the grit according to the volume and the diameter size of grit, and screening effect is good, and screening efficiency is high.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a grit screening plant for construction, includes box (1), its characterized in that: the top fixed mounting of box (1) has feeder hopper (2), feeder hopper (2) with box (1) is inside to be linked together, box (1) internal fixed mounting has first sieve (3), the top of first sieve (3) is equipped with first pivot (4), fixed cover is equipped with first spiral impeller (5) on first pivot (4), first spiral impeller (5) with the top of first sieve (3) contacts, first through-hole (6) have been seted up at the top of first sieve (3), box (1) internal fixed mounting has first baffle (7) that are located first sieve (3) below, first baffle (7) are the slope setting, the top of first baffle (7) with the bottom of first sieve (3) contacts, one side fixed mounting of box (1) has first discharging pipe (8), the first discharging pipe (8) is communicated with the first through hole (6), a second sieve plate (9) is fixedly mounted in the box body (1), a second rotating shaft (10) is arranged above the second sieve plate (9), a second spiral impeller (11) is fixedly mounted on the second rotating shaft (10), the second spiral impeller (11) is in contact with the top of the second sieve plate (9), a second through hole (12) is formed in the top of the second sieve plate (9), a second baffle plate (13) located below the second sieve plate (9) is fixedly mounted in the box body (1), the second baffle plate (13) is arranged in an inclined mode, the top of the second baffle plate (13) is in contact with the bottom of the second sieve plate (9), and one side of the first discharging pipe (8) is fixedly mounted on the second discharging pipe (14) far away from the box body (1), second discharging pipe (14) with second through-hole (12) are linked together, the bottom fixed mounting of box (1) has third discharging pipe (15), third discharging pipe (15) with box (1) is linked together, first mounting hole (16) have all been seted up on the both sides inner wall of box (1), the both ends of first pivot (4) run through corresponding respectively first mounting hole (16), first pivot (4) are located the outer fixed cover of one end of box (1) is equipped with first belt pulley (17), second mounting hole (18) have all been seted up on the both sides inner wall of box (1), the both ends of second pivot (10) run through corresponding respectively second mounting hole (18), second pivot (10) are located the outer fixed cover of one end of box (1) is equipped with second belt pulley (19), second belt pulley (19) with around being equipped with same belt (20) on first belt pulley (17) And a motor (21) is arranged on one side of the box body (1), and the output shaft end of the motor (21) is fixedly connected with one end of the second rotating shaft (10) positioned outside the box body (1).

2. The sand and stone screening device for building construction according to claim 1, characterized in that: one side fixed mounting of box (1) has the protection casing, second belt pulley (19) first belt pulley (17) with belt (20) all are located in the protection casing, the one end of second pivot (10) is run through the protection casing.

3. The sand and stone screening device for building construction according to claim 1, characterized in that: and two ends of the first rotating shaft (4) are rotatably connected with the first mounting hole (16) through bearings.

4. The sand and stone screening device for building construction according to claim 1, characterized in that: and two ends of the second rotating shaft (10) are rotatably connected with the second mounting hole (18) through bearings.

5. The sand and stone screening device for building construction according to claim 1, characterized in that: a guide plate (22) is fixedly installed in the box body (1), the guide plate (22) is arranged in an inclined mode, and the guide plate is located between the first sieve plate (3) and the second helical impeller (11).

6. The sand and stone screening device for building construction according to claim 1, characterized in that: a supporting plate is fixedly mounted on one side of the box body (1), and the motor (21) is fixedly mounted at the top of the supporting plate.