CN212397295U - Vertical conical screen for separating beans, soil and grass - Google Patents
Vertical conical screen for separating beans, soil and grass Download PDFInfo
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- CN212397295U CN212397295U CN202021345629.7U CN202021345629U CN212397295U CN 212397295 U CN212397295 U CN 212397295U CN 202021345629 U CN202021345629 U CN 202021345629U CN 212397295 U CN212397295 U CN 212397295U
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- grass
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Abstract
The utility model discloses a vertical conical screen for beans, soil, grass take off branch, including upper and lower frame and locate the conical screen between the upper and lower frame, one side of conical screen is equipped with the conveyer belt, the output of conveyer belt and conical screen top import looks adaptation, be equipped with first motor and by first motor drive's centrifugal fan on the frame, centrifugal fan's below is equipped with the fan apron, and the outside cover of conical screen is equipped with the sealed cowling, and fan apron lid is located the top of sealed cowling, is equipped with center pin and screening dish in the conical screen, and the screening dish is fixed in the top of center pin, is equipped with the rotatory actuating mechanism of drive conical screen in the lower frame, actuating mechanism includes second motor, slewing bearing and gear, and slewing bearing's below is equipped with out the hopper, and the lower extreme of conical screen is fixed on slewing bearing, and slewing bearing and gear engagement are connected, and the lower extreme of center pin passes slewing bearing in proper, Go out the hopper, and the lower extreme of center pin is equipped with the band pulley, and band pulley and gear are by second motor drive.
Description
Technical Field
The utility model belongs to the technical field of agricultural production equipment, concretely relates to vertical conical screen for beans, soil, grass take off branch.
Background
When the rhizome crops are mechanically harvested, for example, cyperus esculentus, soil needs to be excavated to lift beans, soil and grass to a separating device to separate the beans, the soil and the grass, but in practical application, the harvesting loss is large, the harvesting efficiency is low, the screening effect is poor, and adverse effects are brought to later-stage cyperus esculentus deep processing.
The existing roller device is generally obliquely arranged on a frame, and a motor is connected with the roller device through a speed reducer and a coupling to drive the roller device to rotate around the axis of the roller device. After the materials enter the roller device, the materials on the screen surface are overturned and rolled due to the inclination and rotation of the roller device, so that the materials are discharged from a discharge hole at the bottom of the rear end of the roller, and the stem, leaf, grass and the like are discharged from a discharge hole at the tail part of the roller. The separation effect is achieved due to the overturning and rolling of the materials in the roller. However, the contact area of the materials and the roller is only a small part in the overturning and rolling process, and the separation efficiency is not very high.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art exists, the utility model provides a vertical conical screen for beans, soil, grass are taken off and are divided, longer than traditional drum sieve screening stroke, screening area is big, and vertical installation has reduced whole size simultaneously, has the safety in utilization, and the practicality is strong, easy operation, advantages such as separation rate height, increase material and screen frame area of contact, the reinforcing separation effect that can to a great extent improve peasant's income to promoting rhizome class crop results, have the significance.
A vertical conical sieve for separating beans, soil and grass comprises an upper frame, a lower frame and a conical sieve arranged between the upper frame and the lower frame, wherein a conveying belt is arranged on one side of the conical sieve, the height and distance of the output end of the conveying belt are matched with the height and distance of the inlet at the top of the conical sieve, a first motor and a centrifugal fan driven by the first motor are arranged on the upper frame, a fan cover plate is arranged below the centrifugal fan, a sealing cover is sleeved outside the conical sieve, the fan cover plate is covered at the top of the sealing cover, a central shaft and a sieving disc are arranged in the conical sieve, the sieving disc is fixed at the top end of the central shaft, a driving mechanism for driving the conical sieve to rotate is arranged on the lower frame, the driving mechanism comprises a second motor, a rotary support and a gear, a discharge hopper is arranged below the rotary support, the lower end of the conical sieve is fixed on the, the lower end of the central shaft sequentially penetrates through the slewing bearing and the discharge hopper, a belt wheel is arranged at the lower end of the central shaft, and the power of the belt wheel and the power of the gear are both from a second motor.
Furthermore, the output shaft end of the first motor is provided with a first driving wheel, the shaft end of the fan of the centrifugal fan is provided with a first driven wheel, and the first driving wheel and the first driven wheel are connected through a belt.
Furthermore, a through hole is formed in the middle of the fan cover plate, an exhaust pipe is arranged at the through hole, and the fan cover plate is fixed on the shell of the centrifugal fan through the exhaust pipe.
Furthermore, a circular bulge is arranged at the circle center of the upper end face of the screening disc, and a plurality of spiral blades are arranged around the circular bulge.
Furthermore, the lower rack comprises a workbench and supporting legs, a rotary support is arranged in the middle of the workbench, a second motor is arranged between two adjacent supporting legs, a second driving wheel is arranged at the output shaft end of the second motor, a second driven wheel is arranged below the workbench, the second driven wheel is connected with a gear through a gear shaft, and the second driven wheel and the first driving wheel are connected through a belt and a second driving wheel respectively.
Furthermore, the bottom of the sealing cover is fixed on the workbench through bolts, and the end face of the upper part of the sealing cover is additionally provided with a rubber pad which is fixed with the fan cover plate through bolts.
Further, the conical screen comprises a conical screen and a screen fixing ring, the large-opening end of the conical screen faces upwards, the small-opening end faces downwards, the small-opening end of the conical screen is fixed on the screen fixing ring, a spiral rib is arranged on the inner wall of the conical screen, the screen holes of the conical screen are arranged in a spiral line, the spiral direction is the same as the spiral rib, as shown in fig. 3, the aperture of the conical screen is 6mm, and the conical screen is fixed on the slewing bearing through the screen fixing ring.
The utility model discloses a vertical conical screen has increased material and screen frame area of contact among the screening process, can carry out the separation of beans, soil, grass better, improves separation efficiency. The rotary separation mechanism is arranged, so that the beans and soil are separated from the grass by the entering materials through the propeller blades, the separated grass is sucked away under the action of the centrifugal fan, the root crops and the soil are fully separated, and the separation rate is improved.
Drawings
FIG. 1 is a schematic structural view of the vertical conical screen of the present invention after the sealing cover is removed;
FIG. 2 is a side view of the vertical conical screen of the present invention;
FIG. 3 is a schematic structural view of the conical screen of the present invention; FIG. 3 (2) is an enlarged view of the portion A of FIG. 3 (1);
FIG. 4 is a schematic structural view of the conical screen of the present invention after being mounted on the lower frame;
figure 5 is a schematic view of the structure of figure 4 with the conical screen removed,
fig. 6 is an installation schematic diagram of the upper frame, the centrifugal fan and the first motor of the present invention; in the figure, 1, a conveying belt, 2, a centrifugal fan, 3, a fan cover plate, 4, a conical screen, 5, a rotary support, 6, a second driven wheel, 7, a gear, 8, a discharge hopper, 91, a first motor, 92, a second motor, 10, a belt, 11, a first driving wheel, 12, a second driving wheel, 13, a first driven wheel, 14, an upper frame, 15, a lower frame, 16, a sealing cover, 17, a spiral rib, 18, a screening disc, 19, a spiral blade, 20, a central shaft and 21, a screen fixing ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments. It should be understood that the specific embodiments described herein are only for illustrating the technical idea of the present invention, and are not used to limit the scope of the present invention.
Example 1
A vertical conical sieve for separating beans, soil and grass comprises an upper frame 14, a lower frame 15 and a conical sieve 4 arranged between the upper frame 14 and the lower frame 15, wherein a conveying belt 1 is arranged on one side of the conical sieve 4, the output end of the conveying belt 1 is matched with the height and distance of the inlet at the top of the conical sieve 4, a first motor 91 and a centrifugal fan 2 driven by the first motor 91 are arranged on the upper frame 14, a fan cover plate 3 is arranged below the centrifugal fan 2, a sealing cover 16 is sleeved outside the conical sieve 4, the fan cover plate 3 is arranged at the top of the sealing cover 16, a central shaft 20 and a sieving disc 18 are arranged in the conical sieve 4, the sieving disc 18 is fixed at the top end of the central shaft 20, a driving mechanism for driving the conical sieve 4 to rotate is arranged on the lower frame 15, the driving mechanism comprises a second motor 92, a rotary support 5 and a gear 7, a discharge hopper 8 is arranged below the slewing bearing 5, the lower end of the conical screen 4 is fixed on the slewing bearing 5, the slewing bearing 5 is meshed with the gear 7, the lower end of the central shaft 20 sequentially penetrates through the slewing bearing 5 and the discharge hopper 8, a belt wheel is arranged at the lower end of the central shaft 20, and the power of the belt wheel 6 and the power of the gear 7 are both from a second motor 92.
In this embodiment, an output shaft end of the first motor 91 is provided with a first driving wheel 11, a fan shaft end of the centrifugal fan 2 is provided with a first driven wheel 13, and the first driving wheel 11 and the first driven wheel 13 are connected through a belt 10.
In this embodiment, the middle of the fan cover plate 3 is provided with a through hole, the through hole is provided with an exhaust pipe, and the fan cover plate 3 is fixed on the casing of the centrifugal fan 2 through the exhaust pipe.
In this embodiment, a circular protrusion is disposed at the center of the upper end surface of the sieving disc 18, and a plurality of helical blades 19 are disposed around the circular protrusion. The circular bulges are combined with the spiral blades to rotationally divide materials, and the circular bulges fill the rotating center area to avoid material accumulation.
In this embodiment, the lower frame 15 comprises workstation and landing leg, and the middle part of workstation is equipped with slewing bearing 5, is equipped with second motor 92 between two adjacent landing legs, and second motor 92 output shaft end is equipped with second action wheel 12, and the below of workstation is equipped with the second from driving wheel 6, and the second is connected through gear shaft and gear 7 from driving wheel 6, and the second is followed driving wheel 6, band pulley and is connected through belt and second action wheel 12 respectively.
In this embodiment, the bottom of the sealing cover 16 is fixed on the workbench through a bolt, and the rubber pad is additionally mounted on the upper end face of the sealing cover 16 and fixed with the fan cover plate 3 through a bolt.
In this embodiment, conical screen 4 comprises conical screen and the solid fixed ring 21 of screen cloth, the macrostoma end of conical screen cloth is up, the osculum end is down, the osculum end of conical screen cloth is fixed on the solid fixed ring 21 of screen cloth, be equipped with spiral muscle 17 on the inner wall of conical screen cloth, the sieve mesh of conical screen cloth is the helix and arranges, it is the same with spiral muscle 17 rotation direction to revolve to the direction, as shown in fig. 3, and conical screen cloth aperture is 6mm (according to the cyperus esculentus size of field results, as required, the screen cloth of removable different apertures, pattern), conical screen cloth passes through the solid fixed ring 21 of screen cloth and fixes on slewing bearing 5.
During operation, the mixture of beans, soil and grass is transmitted to a feed inlet above the conical screen 4 through the conveyer belt 1, the grass is sucked and then taken out of the fan under the action of the centrifugal fan 2, the mixture of beans and soil enters the conical screen 4, and the mixture is beaten to the inner wall surface of the conical screen 4 under the action of the helical blades 19 and the central shaft 20 and rotates and rolls. In the process that the conical sieve 4 rotates, due to the action of gravity, soil is sieved out from the sieve meshes of the conical sieve 4, beans enter the discharge hopper 8 from the lower part of the conical sieve 4, and the separation work of the beans, the soil and the grass is finished.
The inner ring of the slewing bearing 5 is fixed on a workbench of the lower frame 15 by bolts, the outer ring of the slewing bearing is connected with a screen fixing ring 21 of the conical screen 4 by bolts, and the conical screen fixing ring 21 and the conical screen are welded together.
The second motor 92 drives the belt wheel and the second driven wheel 6 through the belt 10 to further drive the central shaft 9 and the gear 7, and the gear 7 drives the slewing bearing 5 through gear engagement to further drive the conical screen 4 to rotate. The center pin 9 then drives the rotation of screening dish 18, and the helical blade 19 that welds on the screening dish 18 dials soil and beans on the inner wall of screen cloth under the rotation effect, and the screen cloth inner wall has spiral muscle 17, reduces beans soil mixture falling speed, and then sieves it fully.
The fan cover plate 3 plays a role in sealing the upper part, so that materials are controlled in an operation area, and the materials such as dust, nutgrass flatsedge and the like can be sucked by the centrifugal fan 3. The lower end face of the sealing cover 16 is fixed on the lower frame 15 through a bolt, and the upper end face is additionally provided with a rubber pad which is fixed with the fan cover plate 3 through a bolt. Function of the screening disc 18: the materials fall onto the screening disc 18 from the conveyer belt 1, and the materials with lighter grass and soil are sucked and separated under the action of the centrifugal fan 2; the materials such as larger clods, beans and the like are thrown to the conical sieve surface for further separation under the action of the driving force of the sieving disc 18.
The above embodiments are only for illustrating the preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be considered as the protection scope of the present application within the knowledge of those skilled in the art.
Claims (7)
1. The utility model provides a vertical conical screen that is used for beans, soil, grass to take off branch, includes frame, lower carriage and locates the conical screen between the upper and lower frame, one side of conical screen is equipped with the conveyer belt, the output of conveyer belt and the imported height in conical screen top and apart from looks adaptation, its characterized in that: the upper frame is provided with a first motor and a centrifugal fan driven by the first motor, a fan cover plate is arranged below the centrifugal fan, a sealing cover is sleeved outside the conical screen, the fan cover plate is covered at the top of the sealing cover, a central shaft and a screening disc are arranged in the conical screen, the screening disc is fixed at the top end of the central shaft, a driving mechanism for driving the conical screen to rotate is arranged on the lower frame, the driving mechanism comprises a second motor, a slewing bearing and a gear, a discharge hopper is arranged below the slewing bearing, the lower end of the conical screen is fixed on the slewing bearing, the slewing bearing is connected with the gear in a meshed mode, the lower end of the central shaft sequentially penetrates through the slewing bearing and the discharge hopper, a belt wheel is arranged at the lower end of the central shaft.
2. The vertical conical screen for separating beans, soil and grass as claimed in claim 1, wherein a first driving wheel is arranged at an output shaft end of the first motor, a first driven wheel is arranged at a fan shaft end of the centrifugal fan, and the first driving wheel and the first driven wheel are connected through a belt.
3. The vertical conical screen for threshing and separating beans, soil and grass as claimed in claim 1, wherein the fan cover plate is provided with a through hole at the middle part, an exhaust pipe is arranged at the through hole, and the fan cover plate is fixed on the shell of the centrifugal fan through the exhaust pipe.
4. The vertical conical screen for threshing and separating beans, soil and grass as claimed in claim 1, wherein a circular protrusion is provided at the center of the upper end surface of the screening disc, and a plurality of helical blades are provided around the circular protrusion.
5. The vertical conical screen for separating beans, soil and grass as claimed in claim 1, wherein the lower frame is composed of a workbench and supporting legs, a rotary support is arranged in the middle of the workbench, a second motor is arranged between two adjacent supporting legs, a second driving wheel is arranged at the output shaft end of the second motor, a second driven wheel is arranged below the workbench, the second driven wheel is connected with a gear through a gear shaft, and the second driven wheel and the first driving wheel are respectively connected with the second driving wheel through a belt.
6. The vertical conical screen for threshing and separating beans, soil and grass as claimed in claim 5, wherein the bottom of the sealing cover is fixed on the workbench through bolts, and the upper end face of the sealing cover is additionally provided with a rubber pad and is fixed with the fan cover plate through bolts.
7. The vertical conical sieve for separating beans, soil and grass according to claim 1, wherein the conical sieve is composed of a conical sieve mesh and a sieve mesh fixing ring, the large opening end of the conical sieve mesh faces upwards, the small opening end faces downwards, the small opening end of the conical sieve mesh is fixed on the sieve mesh fixing ring, spiral ribs are arranged on the inner wall of the conical sieve mesh, sieve holes of the conical sieve mesh are arranged in a spiral line, the spiral direction is the same as that of the spiral ribs, and the conical sieve is fixed on the slewing bearing through the sieve mesh fixing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021345629.7U CN212397295U (en) | 2020-07-10 | 2020-07-10 | Vertical conical screen for separating beans, soil and grass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021345629.7U CN212397295U (en) | 2020-07-10 | 2020-07-10 | Vertical conical screen for separating beans, soil and grass |
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| Publication Number | Publication Date |
|---|---|
| CN212397295U true CN212397295U (en) | 2021-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021345629.7U Active CN212397295U (en) | 2020-07-10 | 2020-07-10 | Vertical conical screen for separating beans, soil and grass |
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| CN (1) | CN212397295U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113967592A (en) * | 2021-09-16 | 2022-01-25 | 金华职业技术学院 | Giant centrifugal sieve washing device for combine harvester |
-
2020
- 2020-07-10 CN CN202021345629.7U patent/CN212397295U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113967592A (en) * | 2021-09-16 | 2022-01-25 | 金华职业技术学院 | Giant centrifugal sieve washing device for combine harvester |
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