CN217550356U

CN217550356U - Screening equipment for coarse sand and fine sand

Info

Publication number: CN217550356U
Application number: CN202221568745.4U
Authority: CN
Inventors: 李冠庭; 刀迎庆; 张明忠; 石倩
Original assignee: Ruiguang Construction Engineering Co ltd
Current assignee: Ruiguang Construction Engineering Co ltd
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2022-10-11
Anticipated expiration: 2032-06-22

Abstract

The utility model relates to a gravel and sand screening technical field discloses a coarse sand fine sand screening equipment, the top of screening case is located one side position department and has seted up the feeder hopper, and the top of screening case is located middle part position department and is provided with vibrating motor, the below of screening case is located corner position department symmetry and is provided with the vibration subassembly, and the inboard of screening case is provided with the screening subassembly. The utility model discloses replaced the form of traditional direct vibration screening gravel and sand, through vibration subassembly and vibrating motor's vibration combination, under the vibration of the three groups conveyer belts of gravel and sand filter mesh belt, coarse sand filter mesh belt, fine sand conveyer belt, filtration formula transport in the screening subassembly, the screening efficiency of gravel and sand can be improved in one aspect to the one of which, improves screening speed, and on the other hand can ensure the high efficiency of gravel and sand thickness, fine screening, improves the screening comprehensiveness.

Description

Screening equipment for coarse sand and fine sand

Technical Field

The utility model relates to a gravel and sand screening technical field specifically is a coarse sand fine sand screening equipment.

Background

Sand is generally classified into natural sand and artificial sand, wherein rock particles with the particle size of below 5mm, which are formed under the action of natural conditions, are called as natural sand, the artificial sand is formed by crushing rocks, and due to high cost, a large amount of flaky and powdery substances, different sand thickness degrees and different application places, screening equipment is generally adopted to divide the sand into coarse sand, medium sand and fine sand, and then the sand with different thickness degrees is thrown to a specified place according to actual use conditions.

However, the existing screening equipment for coarse sand and fine sand is mostly in the form of direct vibration screening by a vibrating screen in the working and running process, and due to the fact that sand is accumulated and piled together, the efficiency of vibration screening is low, and the coarse sand and the fine sand are not easy to be effectively screened. Accordingly, one skilled in the art provides a coarse sand and fine sand screening apparatus to solve the problems set forth in the background art described above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coarse sand fine sand screening equipment to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a coarse sand and fine sand screening device comprises a screening box, wherein a feed hopper is arranged at one side position above the screening box, a vibration motor is arranged at the middle position above the screening box, vibration assemblies are symmetrically arranged at corner positions below the screening box, and screening assemblies are arranged on the inner side of the screening box;

the vibrating assembly comprises supporting foot seats symmetrically arranged at four corner positions of the screening box, a vibrating plate frame is embedded and clamped in the upper end face of each supporting foot seat, vibrating columns are symmetrically arranged between the supporting foot seats and the vibrating plate frame, vibrating springs are symmetrically arranged above the vibrating plate frame, vibrating supports are arranged at the top ends of the vibrating springs, and the vibrating supports are fixedly connected with the screening box;

the screening subassembly includes from last to first transmission shaft, secondary drive axle, the third transmission shaft of symmetrical connection in proper order in screening case inboard both ends position department down, the both ends symmetry of first transmission shaft is provided with first transmission gear, the outside of first transmission gear is connected with first drive belt, the outside of first drive belt is connected with gravel and sand filter mesh belt, gravel and sand filter mesh belt's discharge opening runs through the screening case and is provided with gravel and sand discharge hopper, the both ends symmetry of second transmission shaft is provided with second transmission gear, second transmission gear's the outside is connected with the second drive belt, the outside of second drive belt is connected with coarse sand filter mesh belt, coarse sand filter mesh belt's discharge opening runs through the screening case and is provided with coarse sand discharge hopper, the both ends symmetry of third transmission shaft is provided with third transmission gear, third transmission gear's the outside is connected with the third drive belt, the outside of third drive belt is connected with fine sand conveyer belt, fine sand conveyer belt's discharge opening runs through the screening case and is provided with fine sand discharge hopper.

As a further aspect of the present invention: the front side output of first transmission shaft is provided with synchronous pulley A, the front side output of second transmission shaft is provided with synchronous pulley B, the front side output of third transmission shaft is provided with synchronous pulley C, the front side position department in middle part position of screening case is provided with drive motor, drive motor's output is provided with driving pulley, driving pulley passes through the hold-in range and is connected with synchronous pulley A, synchronous pulley B, synchronous pulley C respectively.

As a further aspect of the present invention: the gravel filter mesh belt, the coarse sand filter mesh belt and the fine sand conveyor belt are symmetrically arranged at equal intervals, and the belt surfaces of the gravel filter mesh belt, the coarse sand filter mesh belt and the fine sand conveyor belt are all inclined downwards by 10 degrees along the horizontal direction.

As the utility model discloses further scheme again: the sand and stone filter mesh belt and the coarse sand filter mesh belt are stainless steel mesh belts, and the fine sand conveyor belt is a PVC conveyor belt.

As a further aspect of the present invention: the number of the vibration columns is two, each group is three, and the vibration columns are made of natural rubber components.

As the utility model discloses further scheme again: the number of the vibrating springs is two, and the vibrating springs are symmetrically arranged relative to the horizontal center line of the vibrating plate frame.

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

the utility model discloses replaced the form of traditional direct vibration screening gravel and sand, through vibration subassembly and vibrating motor's vibration combination, under the vibration of the three groups conveyer belts of gravel and sand filter mesh belt, coarse sand filter mesh belt, fine sand conveyer belt, filtration formula transport in the screening subassembly, the screening efficiency of gravel and sand can be improved in one aspect to the one of which, improves screening speed, and on the other hand can ensure the high efficiency of gravel and sand thickness, fine screening, improves the screening comprehensiveness.

Drawings

FIG. 1 is a schematic structural view of a coarse sand and fine sand screening apparatus;

FIG. 2 is a schematic diagram of a vibratory assembly in a coarse and fine sand screening apparatus;

fig. 3 is a schematic structural view of a screen assembly in a coarse sand and fine sand screening apparatus.

In the figure: 1. screening boxes; 2. a feed hopper; 3. a vibration motor; 4. a vibration support; 5. a vibration spring; 6. a supporting foot seat; 7. a sand discharge hopper; 8. a coarse sand discharge hopper; 9. a fine sand discharge hopper; 10. a synchronous pulley A; 11. a synchronous pulley B; 12. a synchronous pulley C; 13. a synchronous belt; 14. a drive pulley; 15. a drive motor; 16. a first drive shaft; 17. a first drive gear; 18. a first drive belt; 19. a sand and stone filter mesh belt; 20. a second drive shaft; 21. a second transmission gear; 22. a second belt; 23. a coarse sand filter mesh belt; 24. a third drive shaft; 25. a third transmission gear; 26. a third belt; 27. a fine sand conveyor belt; 28. vibrating the plate frame; 29. the column is vibrated.

Detailed Description

Please refer to fig. 1-3, in the embodiment of the present invention, a screening device for coarse sand and fine sand, including screening case 1, the top of screening case 1 is located one side position department and has seted up feeder hopper 2, and the top of screening case 1 is located middle part position department and is provided with vibrating motor 3, the below of screening case 1 is located corner position department symmetry and is provided with the vibration subassembly, the vibration subassembly is including the support foot stool 6 of symmetry setting in screening case 1 four corner position departments, the upper portion terminal surface embedding block of support foot stool 6 has vibrating plate frame 28, and the symmetry is provided with vibrating column 29 between support foot stool 6 and the vibrating plate frame 28, the top symmetry of vibrating plate frame 28 is provided with vibrating spring 5, vibrating spring 5's top is provided with vibrating support 4, vibrating support 4 and screening case 1 fixed connection, the quantity of vibrating column 29 is two sets of, every group is three, vibrating column 29 adopts the natural rubber component, the quantity of vibrating spring 5 is two, and vibrating spring 5 is the symmetrical formula arrangement for vibrating column 28 horizontal central line, in the screening process of coarse sand and fine sand, vibrating motor 3 work, the mechanical screening case drives screening case 1, then the vibration box is supported the vibration box 6, the vibration box can be improved in vibration performance, the vibration case 1, the vibration support foot stool 6, the vibration support can be improved once more.

The inner side of the screening box 1 is provided with a screening component, the screening component comprises a first transmission shaft 16, a second transmission shaft 20 and a third transmission shaft 24 which are sequentially and symmetrically connected at two ends of the inner side of the screening box 1 from top to bottom, the front side output end of the first transmission shaft 16 is provided with a synchronous pulley A10, the front side output end of the second transmission shaft 20 is provided with a synchronous pulley B11, the front side output end of the third transmission shaft 24 is provided with a synchronous pulley C12, the middle position of the front side of the screening box 1 is provided with a transmission motor 15, the output end of the transmission motor 15 is provided with a transmission pulley 14, the transmission pulley 14 is respectively connected with the synchronous pulley A10, the synchronous pulley B11 and the synchronous pulley C12 through a synchronous belt 13, when coarse sand and fine sand are screened, the transmission motor 15 starts to work, drive the driving pulley 14 and rotate, through the transfer drive of the hold-in range 13, drive synchronous pulley A10, synchronous pulley B11, synchronous pulley C12 three-in-one synchronous rotation, synchronous pulley A10 drives first transmission shaft 16 and rotates in the rotation process, then through the transmission combination of first transmission gear 17 and first transmission belt 18, drive gravel and sand filter mesh belt 19 and rotate, synchronous with the same mode, coarse sand filter mesh belt 23, fine sand conveyer belt 27 synchronous rotation, vibrate the gravel and sand, the filtration type is carried, on one hand, the screening efficiency of the gravel and sand can be improved, the screening speed is improved, on the other hand, the high efficiency of coarse and fine screening of the gravel and sand can be ensured, and the screening comprehensiveness is improved.

The two ends of a first transmission shaft 16 are symmetrically provided with first transmission gears 17, the outer side of the first transmission gears 17 is connected with a first transmission belt 18, the outer side of the first transmission belt 18 is connected with a sand and stone filtering mesh belt 19, the discharge opening of the sand and stone filtering mesh belt 19 penetrates through a screening box 1 and is provided with a sand and stone discharge hopper 7, the two ends of a second transmission shaft 20 are symmetrically provided with second transmission gears 21, the outer side of the second transmission gears 21 is connected with a second transmission belt 22, the outer side of the second transmission belt 22 is connected with a coarse sand filtering mesh belt 23, the discharge opening of the coarse sand filtering mesh belt 23 penetrates through the screening box 1 and is provided with a coarse sand discharge hopper 8, the two ends of a third transmission shaft 24 are symmetrically provided with third transmission gears 25, the outer side of the third transmission gears 25 is connected with a third transmission belt 26, the outer side of the third transmission belt 26 is connected with a fine sand transmission belt 27, the discharge opening of the fine sand transmission belt 27 penetrates through the screening box 1 and is provided with a fine sand discharge hopper 9, the sand and stone filter net belt 19, the coarse sand filter net belt 23 and the fine sand conveyor belt 27 are symmetrically arranged at equal intervals, the belt surfaces of the sand and stone filter net belt 19, the coarse sand filter net belt 23 and the fine sand conveyor belt 27 are all inclined downwards by 10 degrees along the horizontal direction, the sand and stone filter net belt 19 and the coarse sand filter net belt 23 are stainless steel net belts, the fine sand conveyor belt 27 is a PVC conveyor belt, in the process of screening coarse sand and fine sand, small-particle sand and stone on the belt surface of the sand and stone filter net belt 19 fall onto the coarse sand filter net belt 23 through the front belt surface and the reverse belt surface under the vibration conveying, large-particle sand and stone isolated on the belt surface are discharged through the sand and stone discharging hopper 7, the coarse sand part of the small-particle sand and stone on the belt surface of the coarse sand filter net belt 23 is isolated under the vibration conveying, the fine sand is discharged through the coarse sand discharging hopper 8, the fine sand falls onto the fine sand conveyor belt 27 through the front belt surface and the reverse belt surface, under the conveying of the fine sand conveyor belt 27, discharging through a fine sand discharging hopper 9, and realizing the screening work of three-in-one of sand and stone, coarse sand and fine sand.

The utility model discloses a theory of operation is: in the process of screening coarse sand and fine sand, the vibration motor 3 is started to work through the dual elastic support of the vibration spring 5 and the vibration column 29 to drive the whole structure of the screening box 1 to vibrate elastically and mechanically, and then the transmission motor 15 starts to work to drive the transmission belt wheel 14 to rotate, the synchronous belt wheel A10, the synchronous belt wheel B11 and the synchronous belt wheel C12 are driven to rotate synchronously in a three-in-one manner through the transfer transmission of the synchronous belt 13, the synchronous belt wheel A10 drives the first transmission shaft 16 to rotate in the rotating process, and then the first transmission gear 17 is combined with the first transmission belt 18 to drive the sand and stone filtering net belt 19 to rotate, the coarse sand filtering net belt 23 and the fine sand transmission belt 27 synchronously rotate in the same manner, and further workers put sand and stone into the screening box 1 through the feeding hopper 2, the sand and stone filter net belt 19 is primarily fallen on the sand and stone filter net belt 19, the sand and stone are conveyed and separated by vibration by the circulating conveying of the sand and stone filter net belt 19, the small-particle sand and stone on the belt surface of the sand and stone filter net belt 19 are conveyed by the front belt surface and the back belt surface to fall on the coarse sand filter net belt 23, the large-particle sand and stone separated on the belt surface are discharged by the sand and stone discharge hopper 7, the small-particle sand and stone on the belt surface of the further coarse sand filter net belt 23 are conveyed by the vibration, the coarse sand part is separated, the coarse sand is discharged by the coarse sand discharge hopper 8, the fine sand is conveyed by the front belt surface and the back belt surface to fall on the fine sand conveyor belt 27, and the three-position integral screening work of the sand, the coarse sand and the fine sand is realized by the fine sand discharge hopper 9 under the conveying of the fine sand conveyor belt 27.

The above-mentioned, only be the embodiment of the preferred of the present invention, nevertheless the utility model discloses a protection scope is not limited to this, and any technical personnel familiar with this technical field is in the technical scope of the utility model discloses an according to the utility model discloses a technical scheme and utility model design in addition the replacement of equality or change, all should be covered within the protection scope of the utility model.

Claims

1. The coarse sand and fine sand screening equipment comprises a screening box (1), and is characterized in that a feed hopper (2) is arranged at one side position above the screening box (1), a vibration motor (3) is arranged at the middle position above the screening box (1), vibration assemblies are symmetrically arranged at corner positions below the screening box (1), and screening assemblies are arranged on the inner side of the screening box (1);

the vibration assembly comprises supporting foot seats (6) symmetrically arranged at four corner positions of the screening box (1), vibration plate racks (28) are embedded and clamped in the end faces of the upper portions of the supporting foot seats (6), vibration columns (29) are symmetrically arranged between the supporting foot seats (6) and the vibration plate racks (28), vibration springs (5) are symmetrically arranged above the vibration plate racks (28), vibration supports (4) are arranged at the top ends of the vibration springs (5), and the vibration supports (4) are fixedly connected with the screening box (1);

the screening component comprises a first transmission shaft (16), a second transmission shaft (20) and a third transmission shaft (24) which are symmetrically connected to the two ends of the inner side of the screening box (1) from top to bottom in sequence, two ends of the first transmission shaft (16) are symmetrically provided with first transmission gears (17), the outer side of the first transmission gear (17) is connected with a first transmission belt (18), the outer side of the first transmission belt (18) is connected with a sand and stone filtering net belt (19), a discharge port of the sand filtering mesh belt (19) penetrates through the screening box (1) and is provided with a sand discharge hopper (7), two ends of the second transmission shaft (20) are symmetrically provided with second transmission gears (21), the outer side of the second transmission gear (21) is connected with a second transmission belt (22), the outer side of the second transmission belt (22) is connected with a coarse sand filter mesh belt (23), a coarse sand discharging hopper (8) is arranged at the discharging opening of the coarse sand filtering mesh belt (23) through the screening box (1), third transmission gears (25) are symmetrically arranged at two ends of the third transmission shaft (24), the outer side of the third transmission gear (25) is connected with a third transmission belt (26), the outer side of the third transmission belt (26) is connected with a fine sand transmission belt (27), and a fine sand discharge hopper (9) is arranged at a discharge opening of the fine sand conveying belt (27) and penetrates through the screening box (1).

2. The coarse sand and fine sand screening device according to claim 1, wherein a synchronous pulley A (10) is arranged at the front side output end of the first transmission shaft (16), a synchronous pulley B (11) is arranged at the front side output end of the second transmission shaft (20), a synchronous pulley C (12) is arranged at the front side output end of the third transmission shaft (24), a transmission motor (15) is arranged at the middle position of the front side of the screening box (1), a transmission pulley (14) is arranged at the output end of the transmission motor (15), and the transmission pulley (14) is connected with the synchronous pulley A (10), the synchronous pulley B (11) and the synchronous pulley C (12) through a synchronous belt (13).

3. A coarse sand and fine sand screening apparatus as claimed in claim 1, wherein the sand and stone filtering mesh belt (19), the coarse sand filtering mesh belt (23) and the fine sand conveyor belt (27) are symmetrically arranged at equal intervals, and the belt surfaces of the sand and stone filtering mesh belt (19), the coarse sand filtering mesh belt (23) and the fine sand conveyor belt (27) are all inclined downwards by 10 ° along the horizontal direction.

4. A coarse sand and fine sand screening apparatus as claimed in claim 1, wherein the sand and stone filter mesh belt (19) and the coarse sand filter mesh belt (23) are stainless steel mesh belts, and the fine sand conveyor belt (27) is a PVC conveyor belt.

5. A coarse sand and fine sand screening apparatus as claimed in claim 1, wherein the number of said vibrating columns (29) is two groups of three, and said vibrating columns (29) are made of natural rubber material.

6. A coarse and fine sand screening apparatus as claimed in claim 1, wherein the number of said vibrating springs (5) is two and the vibrating springs (5) are arranged symmetrically with respect to the horizontal centre line of the vibrating plate frame (28).