CN215542695U

CN215542695U - Sand and stone separating equipment

Info

Publication number: CN215542695U
Application number: CN202122096485.7U
Authority: CN
Inventors: 金辉
Original assignee: Guangzhou Shunying Concrete Co Ltd
Current assignee: Guangzhou Shunying Concrete Co Ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-01-18
Anticipated expiration: 2031-09-01

Abstract

The utility model discloses sand and stone separation equipment, which belongs to the technical field of concrete treatment and comprises a first screening box, a second screening box and a third screening box, wherein the first screening box, the second screening box and the third screening box are sequentially connected from top to bottom, the bottom of the first screening box is provided with a plurality of first sieve holes, the bottom of the second screening box is provided with a plurality of second sieve holes, the bottom of the third screening box is provided with a plurality of third sieve holes, four corners of the bottom of the third screening box are fixedly connected with springs, the bottom ends of the four springs are fixedly connected with a same supporting plate, the outer wall of the third screening box is fixedly connected with a rack, the supporting plate is fixedly connected with a fixed seat, the fixed seat is fixedly connected with a motor, and a sector gear, the rack and the springs are arranged on the fixed seat, so that the first screening box, the second screening box and the third screening box form a vibration effect upwards, sand and stones in the screening boxes are screened by vibration, the screening rate is improved.

Description

Sand and stone separating equipment

Technical Field

The utility model belongs to the technical field of concrete treatment, and particularly relates to sand-stone separation equipment.

Background

The concrete waste is the most common building waste in construction projects, 30 ten thousand square concrete enterprises are produced every year, only the grout formed by a concrete mixer truck is cleaned, the grout has a volume of 80-120 cubic meters every day, the physical pollution of the grout is mainly concrete aggregate adsorbed on the wall of a tank, cement, sand and stone particles and the like are produced after water washing, and the particles are difficult to dissolve in water and easy to precipitate. For the waste of preventing the water resource and the pollution of the sewage thick liquid that concrete mixer truck produced is washd to the environment to the concrete manufacturing enterprise, realize the recycle of concrete grit separation, often need the preparation sample earlier when the preparation concrete, thereby come to carry out multiple test to the sample, thereby guarantee the qualification degree of concrete, also need multiple raw materials when preparation concrete sample, wherein need the fine sand, and the fine sand of production often can mix stone in the mill, just need carry out the separation of grit this moment.

Most of the sand and stone separation operations during the current concrete sample remanufacturing are manually carried out, but the manual operation is relied on, the labor intensity is high, time and labor are wasted, some sand and stone separation devices are also adopted, but the sand and stone separation efficiency of the devices is lower.

SUMMERY OF THE UTILITY MODEL

The utility model provides sand separation equipment in order to improve the efficiency of sand separation.

In order to achieve the purpose, the utility model adopts the following technical scheme: a sand-stone separating device comprises a first screening box, a second screening box and a third screening box which are sequentially connected from top to bottom, the bottom of the first screening box is provided with a plurality of first screening holes, the bottom of the second screening box is provided with a plurality of second screening holes, the bottom of the third screening box is provided with a plurality of third screen holes, four corners of the bottom of the third screening box are fixedly connected with springs, the bottom ends of the four springs are fixedly connected with the same supporting plate, the outer wall of the third screening box is fixedly connected with a rack, the supporting plate is fixedly connected with a fixed seat, the motor is fixedly connected to the fixing seat, a rotating shaft is fixedly connected to the output end of the motor, a sector gear is fixedly connected to one end, far away from the motor, of the rotating shaft, and the sector gear is meshed with the rack.

Preferably, two gag lever posts of fixedly connected with in the backup pad, two fixed plates of the equal fixedly connected with of outer wall of first screening case, second screening case and third screening case, the spacing groove has been seted up on the fixed plate, the inner wall sliding connection of gag lever post and spacing groove.

Preferably, a rectangular opening is formed in the supporting plate, the size of the rectangular opening is larger than that of the cross section of the inner cavity of the third screening box, and supporting legs are fixedly connected to four corners of the bottom of the supporting plate.

Preferably, the aperture diameters of the first sieve hole, the second sieve hole and the third sieve hole are reduced in sequence.

Preferably, the side walls of the first screening box, the second screening box and the third screening box are fixedly connected with handles.

Preferably, the top end of the limiting rod is provided with a jack, and the inner wall of the jack is connected with an inserting rod in a sliding manner.

Preferably, the bottom four corners department fixedly connected with locating lever of first screening case and second screening case, the top four corners department of second screening case and third screening case seted up with locating lever assorted constant head tank.

Preferably, the top of first screening case is connected with the apron, the apron passes through the bolt and is connected fixedly with first screening case.

Compared with the prior art, the utility model has the beneficial effects that:

1. the screening efficiency and the screening precision of the gravel are improved by arranging the first screening box, the second screening box and the third screening box and arranging the three screening boxes and screening for multiple times in a grading manner;

2. the first screening box, the second screening box and the third screening box are enabled to upwards form a vibration effect by arranging the sector gear, the rack and the spring, and the sand and stones in the screening boxes are screened by vibration, so that the screening speed is improved;

3. through setting up the handle, be convenient for take up first screening case, second screening case and third screening case, pour the rubble of inside to carry out the screening operation once more.

Drawings

FIG. 1 is a schematic view of a sand-separating apparatus according to the present invention;

FIG. 2 is a schematic structural view of an overall plan view of a sand separation apparatus according to the present invention;

FIG. 3 is a schematic structural view of a positioning rod and a positioning groove of the sand-stone separating device according to the present invention;

FIG. 4 is a schematic top view of a second screening box of the sand-separating apparatus according to the present invention;

FIG. 5 is a schematic top view of a third screen box of the sand-separating apparatus according to the present invention.

In the figure: 1. a first screening bin; 2. a second screening bin; 3. a third screening bin; 4. a first screen hole; 5. a second sieve pore; 6. a third sieve pore; 7. a spring; 8. a support plate; 9. a limiting rod; 10. a rack; 11. a fixed seat; 12. a motor; 13. a rotating shaft; 14. a sector gear; 15. a fixing plate; 16. supporting legs; 17. a handle; 18. inserting a rod; 19. positioning a rod; 20. positioning a groove; 21. and (7) a cover plate.

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.

Referring to fig. 1-5, a sand-stone separating device comprises a first screening box 1, a second screening box 2 and a third screening box 3, wherein the four corners of the bottom of the first screening box 1 and the second screening box 2 are fixedly connected with positioning rods 19, the four corners of the top of the second screening box 2 and the third screening box 3 are provided with positioning grooves 20 matched with the positioning rods 19, through inserting locating lever 19 in constant head tank 20, make first screening case 1, second screening case 2 and third screening case 3 from top to bottom connect gradually, a plurality of first sieve meshes 4 have been seted up to the bottom of first screening case 1, a plurality of second sieve meshes 5 have been seted up to the bottom of second screening case 2, a plurality of third sieve meshes 6 have been seted up to the bottom of third screening case 3, first sieve mesh 4, the aperture of second sieve mesh 5 and third sieve mesh 6 reduces in proper order, set up three screening case, through hierarchical screening many times, improve screening efficiency and screening precision.

Referring to fig. 1, the springs 7 are fixedly connected to four corners of the bottom of the third screening box 3, the springs 7 provide resilience force to enable the first screening box 1, the second screening box 2 and the third screening box 3 to have a vibration effect, the bottom ends of the four springs 7 are fixedly connected with the same supporting plate 8, the supporting plate 8 is fixedly supported on the whole, the outer wall of the third screening box 3 is fixedly connected with a rack 10, a fixed seat 11 is fixedly connected to the supporting plate 8, a motor 12 is fixedly connected to the fixed seat 11, an output end of the motor 12 is fixedly connected with a rotating shaft 13, one end of the rotating shaft 13 far away from the motor 12 is fixedly connected with a sector gear 14, the sector gear 14 is meshed with the rack 10, the motor 12 rotates to drive the rotating shaft 13 and the sector gear 14 to rotate, and the first screening box 1, the second screening box 2 and the third screening box 3 are driven to move downwards through meshing transmission of the rack 10, and compresses the spring 7.

Referring to fig. 1, can place the collecting box in backup pad 8's below, collect the fine sand after the screening, the rectangle mouth has been seted up on backup pad 8, the size of rectangle mouth is greater than the size of third screening case 3 inner chamber cross section, the fine sand gets into the collecting box through the rectangle mouth, the bottom four corners department fixedly connected with supporting leg 16 of backup pad 8, first screening case 1, the equal fixedly connected with handle 17 of lateral wall of second screening case 2 and third screening case 3, set up handle 17, be convenient for with first screening case 1, second screening case 2 and third screening case 3 take up, pour out the rubble of inside, the top of first screening case 1 is connected with apron 21, apron 21 passes through the bolt and is connected with first screening case 1 fixedly, set up apron 21, avoid the grit in the first screening case 1 to spill when the vibration.

Referring to fig. 2, two gag lever posts 9 of fixedly connected with on the backup pad 8, first screening case 1, two fixed plates 15 of the equal fixedly connected with of outer wall of second screening case 2 and third screening case 3, the spacing groove has been seted up on fixed plate 15, the inner wall sliding connection of gag lever post 9 and spacing groove, limiting displacement through gag lever post 9 and spacing groove, make first screening case 1, second screening case 2 and third screening case 3 can not shift when vibrating, the jack has been seted up on the top of gag lever post 9, jack inner wall sliding connection has inserted bar 18, set up inserted bar 18, avoid first screening case 1 to shift out gag lever post 9.

The operating principle of the present invention will now be described as follows: inserting a positioning rod 19 into a positioning groove 20, sleeving a limiting groove on a fixing plate 15 on a limiting rod 9, sequentially connecting a first screening box 1, a second screening box 2 and a third screening box 3 from top to bottom, pouring the gravel to be screened into the first screening box 1, covering a cover plate 21, rotating a motor 12 to drive a rotating shaft 13 and a sector gear 14 to rotate, driving the first screening box 1, the second screening box 2 and the third screening box 3 to move downwards through meshing transmission of a rack 10, compressing a spring 7, releasing meshing with the rack 10 along with the rotation of the sector gear 14, enabling the first screening box 1, the second screening box 2 and the third screening box 3 to generate a vibration effect upwards due to the resilience force of the spring 7, obtaining fine sand finished products through grading and repeated screening of a first sieve mesh 4, a second sieve mesh 5 and a third sieve mesh 6, placing a collecting box below a supporting plate 8, and collecting the screened fine sand.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A sand-stone separating device comprises a first screening box (1), a second screening box (2) and a third screening box (3), and is characterized in that the first screening box (1), the second screening box (2) and the third screening box (3) are sequentially connected from top to bottom, a plurality of first sieve holes (4) are formed in the bottom of the first screening box (1), a plurality of second sieve holes (5) are formed in the bottom of the second screening box (2), a plurality of third sieve holes (6) are formed in the bottom of the third screening box (3), springs (7) are fixedly connected to four corners of the bottom of the third screening box (3), the bottom ends of the four springs (7) are fixedly connected with a same supporting plate (8), a rack (10) is fixedly connected to the outer wall of the third screening box (3), a fixing seat (11) is fixedly connected to the supporting plate (8), fixedly connected with motor (12) on fixing base (11), the output fixedly connected with pivot (13) of motor (12), the one end fixedly connected with sector gear (14) of motor (12) are kept away from in pivot (13), sector gear (14) mesh mutually with rack (10).

2. The sand-stone separating device according to claim 1, characterized in that two limiting rods (9) are fixedly connected to the supporting plate (8), two fixing plates (15) are fixedly connected to the outer walls of the first screening box (1), the second screening box (2) and the third screening box (3), limiting grooves are formed in the fixing plates (15), and the limiting rods (9) are connected with the inner walls of the limiting grooves in a sliding mode.

3. Grit separation equipment as in claim 1, characterized in that, seted up rectangular mouth on the backup pad (8), the size of rectangular mouth is greater than the size of third screening case (3) inner chamber cross section, the bottom four corners fixedly connected with supporting leg (16) of backup pad (8).

4. A sand separation plant according to claim 1, characterised in that the apertures of the first screen aperture (4), the second screen aperture (5) and the third screen aperture (6) decrease in sequence.

5. A sand separating apparatus according to claim 1, characterised in that the side walls of the first (1), second (2) and third (3) screening tanks are all fixedly connected with handles (17).

6. Grit separation equipment as claimed in claim 2, wherein, the top of gag lever post (9) is seted up the jack, and the jack inner wall sliding connection has inserted bar (18).

7. The sand-stone separating device according to claim 1, characterized in that the bottom four corners of the first screening box (1) and the second screening box (2) are fixedly connected with positioning rods (19), and the top four corners of the second screening box (2) and the third screening box (3) are provided with positioning grooves (20) matched with the positioning rods (19).

8. A sand separating apparatus according to claim 1, wherein a cover plate (21) is attached to the top of the first screening bin (1), and the cover plate (21) is fixedly connected to the first screening bin (1) by bolts.