CN220479363U - Sand and stone screening device - Google Patents
Sand and stone screening device Download PDFInfo
- Publication number
- CN220479363U CN220479363U CN202321429483.8U CN202321429483U CN220479363U CN 220479363 U CN220479363 U CN 220479363U CN 202321429483 U CN202321429483 U CN 202321429483U CN 220479363 U CN220479363 U CN 220479363U
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- screening
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- sand
- vibrating
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- 238000012216 screening Methods 0.000 title claims abstract description 117
- 239000004576 sand Substances 0.000 title claims abstract description 68
- 239000004575 stone Substances 0.000 title description 20
- 230000007246 mechanism Effects 0.000 claims description 8
- 230000003028 elevating effect Effects 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000007873 sieving Methods 0.000 description 12
- 238000007599 discharging Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000004566 building material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Combined Means For Separation Of Solids (AREA)
Abstract
The utility model belongs to the technical field of sand screening, in particular to a sand screening device, which comprises a feeding funnel, wherein the bottom of the feeding funnel is fixedly connected with a first screening plate, the first screening plate is fixedly connected to a vibrating plate, the left end face of the vibrating plate is fixedly connected with a vibrating rod, the vibrating rod is fixedly connected to a vibrating motor, the left end of the vibrating motor is fixedly connected to the top of a fixed rod, the bottom of the fixed rod is fixedly connected with a bottom plate, and the function of fine screening sand is realized through the structural design of the first, second and third screening plates, so that the problem that a small amount of large-block sand is not screened out due to the limitation of technology and cost when the traditional sand screening device is used for screening and is mixed into the screened fine sand is solved, the screening efficiency is low, the influence on the subsequent sand processing is caused, and the screening efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of sand screening, in particular to a sand screening device.
Background
Sand and stone refers to loose mixtures of sand grains and broken stone, and are widely used as high-quality building materials and concrete raw materials in the fields of houses, roads, highways, railways, engineering and the like, and are extremely important raw materials in the building field.
The sand and stone screening device specifically can refer to the Chinese patent of publication number CN218982270U, and discloses a waste sand and stone screening device, which comprises a screening device body, a screen plate and a sand discharging plate, and further comprises a vibration discharging mechanism, when the screen plate of the screening device body screens waste sand and stone materials and is matched with the sand discharging plate to discharge materials, the vibration discharging mechanism can transmit vibration force to a lower end plate body of the screen plate and the sand discharging plate, so that the device can discharge materials at high frequency.
However, when the conventional sand screening device is used for screening, a small amount of large sand is not screened out due to the limitation of technology and cost, and is mixed into the screened out small sand, so that the screening efficiency is low and the subsequent sand processing is affected, and therefore, the sand screening device is proposed for the problem.
Disclosure of Invention
In order to make up for the defects of the prior art, the utility model solves the problems that a small amount of large sand and stone is not screened out due to the limitation of technology and cost and is mixed into screened fine sand and stone, the screening efficiency is low and the follow-up sand and stone processing is influenced when the traditional sand and stone screening device is used for screening.
The technical scheme adopted for solving the technical problems is as follows: the sand and stone screening device comprises a feeding funnel, wherein the bottom of the feeding funnel is fixedly connected with a first screening plate, the first screening plate is fixedly connected to a vibrating plate, a vibrating rod is fixedly connected to the left end face of the vibrating plate, the vibrating rod is fixedly connected to a vibrating motor, the left end of the vibrating motor is fixedly connected to the top of a fixing rod, and the bottom of the fixing rod is fixedly connected with a bottom plate.
Preferably, the vibrating plate is provided with a rotating groove, the rotating groove is matched with the rotating block, the rotating block is rotationally connected with the rotating groove, the rotating groove and the rotating block are provided with two groups, the right ends of the rotating block are respectively fixedly connected with a second screening plate and a third screening plate, and the second screening plates are arranged above the third screening plates.
Preferably, the same position at the upper right lower corner of the second screening plate and the third screening plate is provided with a fixing hole, the fixing hole is matched with a lifting screw, the lifting screw is inserted into the fixing hole and fixedly connected with the second screening plate and the third screening plate, and the lifting screw is provided with a lifting mechanism.
Preferably, the lifting mechanism comprises an external thread, the external thread is arranged at the lower end of the lifting screw rod, the external thread is matched with the lifting nut, the lifting nut is rotationally connected onto the lifting screw rod through the external thread, a connecting rod is fixedly connected onto the bottom surface of the lifting nut, the bottom of the connecting rod is fixedly connected onto a rotating disc, a motor output shaft is fixedly connected onto the bottom surface of the rotating disc, and the motor output shaft is rotationally connected with a miniature motor which is fixedly connected onto a bottom plate.
Preferably, the right end fixedly connected with bracing piece second of upper surface of bottom plate, bracing piece second is provided with four groups altogether, four groups the bottom and the second storage box fixed connection of bracing piece second.
Preferably, four groups of first support rods are fixedly connected to four corners of the upper side of the second storage box respectively, and the tops of the four groups of first support rods are fixedly connected to the bottom surface of the first storage box.
The utility model has the advantages that:
1. according to the utility model, through the structural design of the first screening plate, the second screening plate and the third screening plate, the function of finely screening sand is realized, the problems that a small amount of large sand is not screened out due to the limitation of technology and cost and is mixed into the screened fine sand when the traditional sand screening device is used for screening are greatly improved, the screening efficiency is low and the follow-up sand processing is influenced, and the screening efficiency is improved;
2. according to the utility model, through the structural design that the lifting screw controls the inclination of the second screening plate and the third screening plate, the screened sand and stone can be conveniently collected, and the practicability of the sand and stone screening device is improved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the 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 main structure of the present utility model;
FIG. 2 is a schematic view of the structure of the present utility model shown in FIG. 1 at a partially enlarged scale;
FIG. 3 is a schematic cross-sectional view of the lifting screw of the present utility model;
fig. 4 is a schematic view of a feeding funnel and a first screening plate structure according to the present utility model.
In the figure: 1. a feeding funnel; 2. a first screening plate; 3. a vibration plate; 4. a second screening plate; 5. a third screening plate; 6. a rotating groove; 7. a rotating block; 8. lifting screw rods; 9. an external thread; 10. lifting the nut; 11. a connecting rod; 12. a rotating disc; 13. an output shaft of the motor; 14. a micro motor; 15. a first storage bin; 16. a second storage bin; 17. a first support rod; 18. a second support rod; 19. a bottom plate; 20. a fixed rod; 21. a vibration motor; 22. a vibrating rod; 23. and a fixing hole.
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.
Referring to fig. 1-4, a sand screening device includes a feeding funnel 1, wherein a first screening plate 2 is fixedly connected to the bottom of the feeding funnel 1, the first screening plate 2 is fixedly connected to a vibrating plate 3, a vibrating rod 22 is fixedly connected to the left end surface of the vibrating plate 3, the vibrating rod 22 is fixedly connected to a vibrating motor 21, the left end of the vibrating motor 21 is fixedly connected to the top of a fixing rod 20, and the bottom of the fixing rod 20 is fixedly connected to a bottom plate 19;
during operation, when the device is to be used for screening sand and stone, the vibrating motor 21 is firstly turned on, the vibrating motor 21 drives the whole device to vibrate through the vibrating rod 22, then sand and stone are poured into the feeding funnel 1, the first screening plate 2 is fixedly connected to the bottom of the feeding funnel 1, the first screening plate 2 can carry out first rough screening on sand and stone, and the largest sand and stone can be left in the feeding funnel 1.
Further, a rotating groove 6 is formed in the vibrating plate 3, the rotating groove 6 is matched with a rotating block 7, the rotating block 7 is connected with the rotating groove 6 in a rotating way, two groups of rotating grooves 6 and rotating blocks 7 are respectively formed, the right ends of the two groups of rotating blocks 7 are respectively and fixedly connected with a second screening plate 4 and a third screening plate 5, and the second screening plate 4 is arranged above the third screening plate 5;
in operation, the two sets of rotating blocks 7 are respectively and fixedly connected to the left side end surfaces of the second screening plate 4 and the third screening plate 5, and when the second screening plate 4 and the third screening plate 5 incline downwards, the rotating blocks 7 can slide relatively in the rotating grooves 6.
Further, the same positions of the upper right and lower corners of the second screening plate 4 and the third screening plate 5 are provided with fixing holes 23, the fixing holes 23 are matched with lifting screws 8, the lifting screws 8 are inserted into the fixing holes 23 and fixedly connected with the second screening plate 4 and the third screening plate 5, and lifting mechanisms are arranged on the lifting screws 8;
during operation, the right ends of the second screening plate 04 and the third screening plate 5 are fixed on the lifting screw 8, the lifting screw 8 can move upwards or downwards under the drive of the lifting mechanism, and the second screening plate 04 and the third screening plate 5 incline.
Further, the lifting mechanism comprises an external thread 9, the external thread 9 is arranged at the lower end of the lifting screw rod 8, the external thread 9 is matched with the lifting nut 10, the lifting nut 10 is rotationally connected to the lifting screw rod 8 through the external thread 9, a connecting rod 11 is fixedly connected to the bottom surface of the lifting nut 10, the bottom of the connecting rod 11 is fixedly connected to a rotating disc 12, a motor output shaft 13 is fixedly connected to the bottom surface of the rotating disc 12, the motor output shaft 13 is rotationally connected with a miniature motor 14, and the miniature motor 14 is fixedly connected to a bottom plate 19;
when the screening machine is in operation, after screening is completed, the micro motor 14 is turned on, the micro motor 14 drives the rotating disc 12 to rotate through the motor output shaft 13, the rotating disc 12 is connected with the lifting nut 10 through the connecting rod 11, so that the lifting nut 10 can be controlled to rotate clockwise or anticlockwise through the positive and negative rotation of the micro motor 14, the lifting nut 10 is connected with the lifting screw rod 8 through the external thread 9, the lifting screw rod 8 can be driven to ascend or descend when the lifting nut 10 rotates, the right ends of the second screening plate 4 and the third screening plate 5 are fixedly connected to the lifting screw rod 8, and the purpose of controlling the inclination angles of the second screening plate 4 and the third screening plate 5 can be finally achieved.
Further, a second support rod 18 is fixedly connected to the right end of the upper surface of the bottom plate 19, four groups of second support rods 18 are provided, and the bottoms of the four groups of second support rods 18 are fixedly connected with the second storage box 16;
when the sand and gravel screening machine works, after screening is completed, the thinnest part of sand and gravel falls on the bottom plate 19, the rest part of sand and gravel is screened into three parts according to different thickness, the three parts of sand and gravel respectively stay in the feeding hopper 1 and on the surfaces of the second screening plate 4 and the third screening plate 5, and finally the third screening plate 5 can be controlled to incline downwards, and the sand and gravel on the third screening plate 5 can automatically roll into the second storage box 16 corresponding to the sand and gravel under the vibration of the vibrating motor 21.
Further, four groups of first support rods 17 are fixedly connected to four corners of the upper side of the second storage box 16 respectively, and the tops of the four groups of first support rods 17 are fixedly connected to the bottom surface of the first storage box 15;
when the sand screening device works, the second screening plate 4 and the third screening plate 5 can be controlled to incline downwards, and sand on the second screening plate 4 automatically rolls into the corresponding first storage box 15 under the vibration of the vibration motor 21.
Working principle: when the device is used for sieving sand, firstly, the vibrating motor 21 is started, the vibrating motor 21 drives the whole device to vibrate through the vibrating rod 22, then sand is poured into the feeding hopper 1, the bottom of the feeding hopper 1 is fixedly connected with the first sieving plate 2, the first sieving plate 2 can roughly sieve sand, the largest sand can be left in the feeding hopper 1, smaller sand can fall onto the second sieving plate 4 to carry out second sieving under the vibration of the vibrating motor 21, finer sand can fall onto the third sieving plate 5 to carry out most sieving through the second sieving plate 4, the rest sand can be left on the second sieving plate 4, finally, the finer sand can fall onto the bottom plate 19 after sieving through the third sieving plate 5, after sieving is finished, the micro motor 14 is started, the micro motor 14 drives the rotating disc 12 to rotate through the motor output shaft 13, the rotating disc 12 is connected with the lifting nut 10 through the connecting rod 11, so that the lifting nut 10 can be controlled to rotate clockwise or anticlockwise through the positive and negative rotation of the micro motor 14, the lifting nut 10 is connected with the lifting screw rod 8 through the external thread 9, the lifting screw rod 8 is driven to ascend or descend when the lifting nut 10 rotates, the right ends of the second screening plate 4 and the third screening plate 5 are fixedly connected to the lifting screw rod 8, the purpose of controlling the inclination angles of the second screening plate 4 and the third screening plate 5 can be finally achieved, after screening is finished, the finest part of sand falls on the bottom plate 19, the rest of sand is screened into three parts according to different thickness, and the rest of sand is respectively remained in the feeding hopper 1 and the second screening plate 4, the second screening plate 4 and the third screening plate 5 can be controlled to incline downwards on the surface of the third screening plate 5, and sand and stone on the second screening plate 4 and the third screening plate 5 can automatically roll into the first storage box 15 and the second storage box 16 corresponding to the sand and stone under the vibration of the vibration motor 21.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (6)
1. A sand screening device, characterized in that: including pan feeding funnel (1), the first screening board (2) of bottom fixedly connected with of pan feeding funnel (1), first screening board (2) fixed connection is on vibrating plate (3), fixedly connected with vibrating rod (22) on the left side terminal surface of vibrating plate (3), vibrating rod (22) fixed connection is on vibrating motor (21), the left end fixed connection of vibrating motor (21) is at the top of dead lever (20), the bottom and bottom plate (19) fixed connection of dead lever (20).
2. A sand screening device according to claim 1, wherein: the vibrating plate (3) is provided with a rotating groove (6), the rotating groove (6) is matched with a rotating block (7), the rotating block (7) is rotationally connected with the rotating groove (6), the rotating groove (6) and the rotating block (7) are provided with two groups, the right ends of the rotating block (7) are respectively fixedly connected with a second screening plate (4) and a third screening plate (5), and the second screening plate (4) is arranged above the third screening plate (5).
3. A sand screening device according to claim 2, wherein: the fixed orifices (23) have all been seted up in the same position in right side lower corner on second screening board (4) and third screening board (5), fixed orifices (23) and lift screw (8) cooperate, lift screw (8) insert in fixed orifices (23) and with second screening board (4) and third screening board (5) fixed connection, be provided with elevating system on lift screw (8).
4. A sand screening device according to claim 3, wherein: the lifting mechanism comprises an external thread (9), the external thread (9) is arranged at the lower end of a lifting screw rod (8), the external thread (9) is matched with a lifting nut (10), the lifting nut (10) is rotationally connected onto the lifting screw rod (8) through the external thread (9), a connecting rod (11) is fixedly connected onto the bottom surface of the lifting nut (10), the bottom of the connecting rod (11) is fixedly connected onto a rotating disc (12), a motor output shaft (13) is fixedly connected onto the bottom surface of the rotating disc (12), the motor output shaft (13) is rotationally connected with a miniature motor (14), and the miniature motor (14) is fixedly connected onto a bottom plate (19).
5. A sand screening device according to claim 4, wherein: the right end fixedly connected with bracing piece second (18) of upper surface of bottom plate (19), bracing piece second (18) is provided with four sets altogether, four sets of the bottom and second storage box (16) fixed connection of bracing piece second (18).
6. A sand screening apparatus according to claim 5, wherein: four groups of first support rods (17) are fixedly connected to four corners of the upper side of the second storage box (16) respectively, and the tops of the four groups of first support rods (17) are fixedly connected to the bottom surface of the first storage box (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321429483.8U CN220479363U (en) | 2023-06-06 | 2023-06-06 | Sand and stone screening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321429483.8U CN220479363U (en) | 2023-06-06 | 2023-06-06 | Sand and stone screening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220479363U true CN220479363U (en) | 2024-02-13 |
Family
ID=89836750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321429483.8U Active CN220479363U (en) | 2023-06-06 | 2023-06-06 | Sand and stone screening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220479363U (en) |
-
2023
- 2023-06-06 CN CN202321429483.8U patent/CN220479363U/en active Active
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