CN220547270U - Sand and stone screening device - Google Patents
Sand and stone screening device Download PDFInfo
- Publication number
- CN220547270U CN220547270U CN202321008185.1U CN202321008185U CN220547270U CN 220547270 U CN220547270 U CN 220547270U CN 202321008185 U CN202321008185 U CN 202321008185U CN 220547270 U CN220547270 U CN 220547270U
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- Prior art keywords
- screening
- screening box
- plate
- bottom plate
- sand
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- 238000012216 screening Methods 0.000 title claims abstract description 80
- 239000004576 sand Substances 0.000 title claims abstract description 25
- 239000004575 stone Substances 0.000 title abstract description 8
- 238000007599 discharging Methods 0.000 claims abstract description 13
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 230000017525 heat dissipation Effects 0.000 claims description 3
- 238000007873 sieving Methods 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 abstract description 8
- 239000000428 dust Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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- Combined Means For Separation Of Solids (AREA)
Abstract
The utility model relates to a sand and stone screening device which comprises a bottom plate, a supporting seat and a conveyor belt, wherein the supporting seat is arranged on the bottom plate, the conveyor belt is arranged on the supporting seat, a supporting frame is arranged on the bottom plate, a screening box is arranged on the upper wall surface of the supporting frame, a discharging hopper is arranged on the screening box, and the discharging hopper penetrates through the top of the screening box; the side wall of the screening box is provided with a discharge hopper in a penetrating manner, an outlet of the discharge hopper is aligned to the conveyor belt, and a screening structure is arranged in the screening box; the bottom plate is also provided with a fixing frame, an electric push rod is arranged on the fixing frame, the output end of the electric push rod is provided with a cleaning structure, and the electric push rod drives a cleaning structure cleaning conveyor belt; can clean the conveyer belt at any time, avoid being infected with too much dust and leading to conveyer belt life to reduce at the in-process conveyer belt of transportation grit.
Description
Technical Field
The utility model relates to a sand screening device, and belongs to the technical field of constructional engineering.
Background
Sand is often screened during construction of highways. The utility model provides a grit screening installation of current patent number CN203695415U specifically discloses including support, hopper, shale shaker, cylinder, conveyer belt, drive mechanism and driving motor, the hopper is fixed at the uppermost of support, shale shaker and support sliding connection, the shale shaker is equipped with the contained angle with the horizontal plane, and the waste outlet of hopper sets up in the top of the higher side of shale shaker, the cylinder is connected through the bearing with the support, and the cylinder feed inlet is higher than the waste outlet, and the lower side of shale shaker stretches into in the cylinder feed inlet, and the conveyer belt sets up in the support bottommost, and driving motor drives the cylinder through drive mechanism and rotates, and driving motor drives the shale shaker vibrations through drive mechanism, and driving motor drives the conveyer belt through drive mechanism; the following problems are also present in this patent document: after passing the sand and stone that the screening was good through the conveyer belt transportation, can be infected with a large amount of dust on the conveyer belt, can lead to the fact the pollution to the conveyer belt for a long time to influence conveyer belt life, and because sieving mechanism is great higher, so operating personnel is inconvenient clear up the conveyer belt, designs a grit sieving mechanism for this.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model provides the sand screening device which can clean a conveyor belt through a cleaning structure at any time, so that the production environment is improved, and the service performance of the device is improved.
The technical scheme of the utility model is as follows:
the sand and stone screening device comprises a bottom plate, a supporting seat and a conveyor belt, wherein the supporting seat is arranged on the bottom plate, the conveyor belt is arranged on the supporting seat, a supporting frame is arranged on the bottom plate, a screening box is arranged on the upper wall surface of the supporting frame, a discharging hopper is arranged on the screening box, and the discharging hopper penetrates through the top of the screening box; the side wall of the screening box is provided with a discharge hopper in a penetrating manner, an outlet of the discharge hopper is aligned to the conveyor belt, and a screening structure is arranged in the screening box; still be provided with the mount on the bottom plate, the last electric putter of installation of mount, electric putter installs on the mount, electric putter's output is provided with clean structure, electric putter drives clean structure clean conveyer belt, clean structure including set up in the bracing piece of electric putter output, the limiting plate is installed to the bracing piece end, the cover is equipped with the brush on the bracing piece.
Wherein, the screening structure comprises a blanking pipe which is arranged in the screening box and connected with the blanking hopper; motor boxes are arranged on two side walls of the screening box, driving motors are arranged in the motor boxes, and cams are fixedly connected to the output ends of the driving motors; the screening box comprises a screening box body, wherein a screening box is arranged on the screening box body, a screening plate is arranged on the screening box body, a fixing seat is arranged on two sides of the inner wall of the screening box body, a moving rod is arranged on the fixing seat in a sliding penetrating mode, a filter plate is fixedly arranged at the top of the moving rod on the two sides, a spring is sleeved on the moving rod, one end of the spring is propped against the lower bottom wall of the filter plate, and the other end of the spring is propped against the upper surface of the fixing seat; the cam is rotated to the upper end of the filter plate by the driving motor and presses the filter plate downwards.
Wherein, the slope of screening incasement lower wall is provided with the flitch down, the decurrent one end of flitch slope is connected with the hopper.
Wherein, the filter top is provided with the baffle.
Wherein, bottom plate bottom is equipped with a plurality of bases.
Wherein, be equipped with the apron on the lower hopper.
Wherein, both sides are provided with heat dissipation holes on the motor case.
The utility model has the following beneficial effects:
this device drives the cam through screening the motor in the clean structure and rotates, and the filter reciprocates through a pair of spring on a pair of carriage release lever under the effect of cam, shakes the screening to grit on the filter, and the entering conveyer belt after the screening, when needs are clean to the conveyer belt, drive electric putter, electric putter drives the brush and removes, brush and conveyer belt contact, starts the conveyer belt to make the brush clear up the conveyer belt, avoid the conveyer belt to be infected with the grit and pollute the conveyer belt.
Drawings
FIG. 1 is a schematic diagram of a sand screening device according to the present utility model;
FIG. 2 is a schematic top view of a sand screening apparatus according to the present utility model;
FIG. 3 is a schematic diagram of the internal structure of a screening box of a sand screening device according to the present utility model;
FIG. 4 is a schematic view of a three-dimensional structure of a filter plate of a sand screening device according to the present utility model.
The reference numerals in the drawings are as follows:
1. a bottom plate; 2. a support base; 3. a conveyor belt; 4. a support frame; 5. a screening box; 6. discharging a hopper; 7. discharging pipes; 8. a motor case; 9. a driving motor; 10. a cam; 11. a filter plate; 12. a spring; 13. a moving rod; 14. a blanking plate; 15. discharging a hopper; 16. a fixing frame; 17. an electric push rod; 18. a support rod; 19. a limiting plate; 20. a brush; 21. a fixing seat; 22. and a baffle.
Detailed Description
The utility model will now be described in detail with reference to the drawings and to specific embodiments.
Referring to fig. 1 to 4, the utility model provides a technical scheme:
the sand screening device comprises a bottom plate 1, a supporting seat 2 and a conveyor belt 3, wherein the supporting seat 2 is arranged on the bottom plate 1, the conveyor belt 3 is arranged on the supporting seat 2, a supporting frame 4 is arranged on the bottom plate 1, and a plurality of bases are arranged at the bottom of the bottom plate 1; the screening box 5 is arranged on the upper wall surface of the supporting frame 4, the discharging hopper 6 is arranged on the screening box 5, and a cover plate is arranged on the discharging hopper 6, so that dust flying in the screening process is avoided; the discharging hopper 6 penetrates through the top of the screening box 5; the side wall of the screening box 5 is provided with a discharge hopper 15 in a penetrating manner, an outlet of the discharge hopper 15 is aligned to the conveyor belt 3, a screening structure is arranged in the screening box 5, and the screening box 5 is integrally erected above the conveyor belt 3; the bottom plate 1 is also provided with a fixing frame 16, an electric push rod 17 is arranged on the fixing frame 16, the output end of the electric push rod 17 is provided with a cleaning structure, and the electric push rod 17 drives the cleaning structure to clean the conveyor belt 3; the cleaning structure comprises a supporting rod 18 arranged at the output end of the electric push rod 17, a limiting plate 19 is arranged at the tail end of the supporting rod 18, and a hairbrush 20 is sleeved on the supporting rod 18; when cleaning is needed, the electric push rod 17 is started, the hairbrush 20 on the supporting rod 18 is driven to clean the surface of the conveyor belt 3, and the limiting plate 19 can prevent the hairbrush 20 from sliding out on the supporting rod 18.
Further, the screening structure comprises a blanking pipe 7 which is arranged in the screening box 5 and connected with the blanking hopper 6; motor boxes 8 are arranged on two side walls of the screening box 5, heat dissipation holes are formed in the motor boxes 8 on two sides, a driving motor 9 is arranged in the motor boxes 8, and the output end of the driving motor 9 is fixedly connected with a cam 10; the two sides of the inner wall of the screening box 5 are respectively provided with a fixed seat 21, the fixed seats 21 are slidably provided with a movable rod 13, the tops of the movable rods 13 on the two sides are fixedly provided with a filter plate 11, the movable rod 13 is sleeved with a spring 12, one end of the spring 12 is propped against the lower bottom wall of the filter plate 11, and the other end of the spring 12 is propped against the upper surface of the fixed seat 21; the cam 10 is rotated to the upper end of the filter plate 11 by the driving motor 9 and presses the filter plate 11 downwards, and as a preferable scheme, a baffle 22 is arranged above the filter plate 11, so that sand and stone which are not screened can be prevented from falling downwards due to vibration; specifically, when the cam 10 rotates through the driving motor 9 and the protruding portion of the cam 10 abuts against the surface of the filter plate 11, the filter plate 11 is pressed downwards due to the fact that the cam 10 continues to rotate, the protruding portion of the cam 10 is far away from the filter plate 11, the filter plate 11 automatically rebounds under the action of the bottom spring 12 to complete vibration of the filter plate 11, and screening is repeatedly performed in this way.
As a preferable scheme, a blanking plate 14 is obliquely arranged on the inner lower wall surface of the screening box 5, and one downward-inclined end of the blanking plate 14 is connected with a discharge hopper 15; and the sand and stone after screening can be taken out conveniently.
The working principle of the sand screening device is as follows:
firstly, sand to be screened is dropped from a blanking hopper 6, a path blanking pipe 7 falls onto a filter plate 11, sand can be prevented from being carelessly and directly dropped onto a blanking plate 14 without screening by arranging the blanking pipe 7, then a driving motor 9 in a motor box 8 at two sides is started, the driving motor 9 drives a cam 10 to rotate, the cam 10 repeatedly collides with two sides of the filter plate, when a convex part on the cam 10 is abutted against the surface of the filter plate 11, the filter plate 11 is downwards pressed due to continuous rotation of the cam 10, the convex part of the cam 10 is far away from the filter plate 11, the filter plate 11 automatically rebounds under the action of a bottom spring 12 to complete vibration of the filter plate 11, and screening is repeatedly performed; the cover plate is closed in the screening process, sand and stone after screening is rolled to the discharge hopper 15 through the inclined blanking plate 14 and outwards rolled to the conveyor belt 3, then when the conveyor belt needs to be cleaned, the electric push rod 17 is started, the support rod 18 is stretched, the surface of the hairbrush 20 is attached to the conveyor belt 3, and dust, dust and the like on the conveyor belt 3 can be removed through relative rolling of the hairbrush 20 by starting the conveyor belt 3.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (7)
1. A grit sieving mechanism, its characterized in that: the automatic screening device comprises a bottom plate (1), a supporting seat (2) and a conveying belt (3), wherein the supporting seat (2) is arranged on the bottom plate (1), the conveying belt (3) is arranged on the supporting seat (2), a supporting frame (4) is arranged on the bottom plate (1), a screening box (5) is arranged on the upper wall surface of the supporting frame (4), a discharging hopper (6) is arranged on the screening box (5), and the discharging hopper (6) penetrates through the top of the screening box (5); the side wall of the screening box (5) is provided with a discharge hopper (15) in a penetrating manner, an outlet of the discharge hopper (15) is aligned to the conveyor belt (3), and a screening structure is arranged inside the screening box (5); still be provided with mount (16) on bottom plate (1), install electric putter (17) on mount (16), electric putter (17) are installed on mount (16), the output of electric putter (17) is provided with clean structure, electric putter (17) drive clean structure clean conveyer belt (3), clean structure including set up in bracing piece (18) of electric putter (17) output, limiting plate (19) are installed to bracing piece (18) end, the cover is equipped with brush (20) on bracing piece (18).
2. A sand screening apparatus according to claim 1, wherein: the screening structure comprises a blanking pipe (7) arranged in the screening box (5) and connected with the blanking hopper (6); motor boxes (8) are arranged on two side walls of the screening box (5), a driving motor (9) is arranged in the motor boxes (8), and the output end of the driving motor (9) is connected with a cam (10); fixed seats (21) are arranged on two sides of the inner wall of the screening box (5), a moving rod (13) is arranged on the fixed seats (21) in a sliding mode, a filter plate (11) is fixedly arranged at the top of the moving rod (13) on two sides, a spring (12) is sleeved on the moving rod (13), one end of the spring (12) is propped against the lower bottom wall of the filter plate (11), and the other end of the spring (12) is propped against the upper surface of the fixed seats (21); the cam (10) is rotated to the upper end of the filter plate (11) through the driving motor (9) and presses the filter plate (11) downwards.
3. A sand screening apparatus according to claim 2, wherein: the screening box (5) is characterized in that a blanking plate (14) is obliquely arranged on the inner lower wall surface of the screening box, and one downward-inclined end of the blanking plate (14) is connected with a discharge hopper (15).
4. A sand screening apparatus according to claim 3, wherein: a baffle plate (22) is arranged above the filter plate (11).
5. A sand screening apparatus as claimed in claim 4, wherein: the bottom of the bottom plate (1) is provided with a plurality of bases.
6. A sand screening apparatus as claimed in claim 5, wherein: and a cover plate is arranged on the discharging hopper (6).
7. The sand screening apparatus of claim 6, wherein: and heat dissipation holes are formed in the motor box (8) at two sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321008185.1U CN220547270U (en) | 2023-04-28 | 2023-04-28 | Sand and stone screening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321008185.1U CN220547270U (en) | 2023-04-28 | 2023-04-28 | Sand and stone screening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220547270U true CN220547270U (en) | 2024-03-01 |
Family
ID=90009953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321008185.1U Active CN220547270U (en) | 2023-04-28 | 2023-04-28 | Sand and stone screening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220547270U (en) |
-
2023
- 2023-04-28 CN CN202321008185.1U patent/CN220547270U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |