CN214555314U - Grass seed sieving mechanism - Google Patents
Grass seed sieving mechanism Download PDFInfo
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- CN214555314U CN214555314U CN202022584488.0U CN202022584488U CN214555314U CN 214555314 U CN214555314 U CN 214555314U CN 202022584488 U CN202022584488 U CN 202022584488U CN 214555314 U CN214555314 U CN 214555314U
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- box body
- gathering hopper
- hopper
- air outlet
- filter screen
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Abstract
The utility model relates to a grass seed screening device, which comprises a box body, wherein the upper end surface of the box body is provided with a feeding hopper; the filter screen, the two guide rails, a driving mechanism for driving the filter screen to move back and forth and a gathering hopper are arranged in the box body, the two guide rails are arranged on the two inner side walls of the box body, the filter screen can slide back and forth relative to the guide rails, the gathering hopper is positioned on the lower side of the filter screen, and a discharge hole is formed in the lower end of the gathering hopper; the grass seed screening device also comprises an air blowing pipe, an air outlet pipe, a seed gathering hopper and a slag gathering hopper; the blast pipe and the air outlet pipe are respectively arranged on the side walls of two opposite sides of the box body at the lower side of the gathering hopper, the gathering hopper and the slag gathering hopper are arranged on the lower end surface of the box body in parallel, and the gathering hopper is positioned at one side close to the blast pipe; thereby removing flying dust of the grass seeds and the seeds with incomplete particles and improving the quality of the screened seeds.
Description
Technical Field
The utility model belongs to the technical field of the screening installation, concretely relates to grass seed sieving mechanism.
Background
With the rapid development of the animal husbandry and environmental greening industries in China, the demand of the grass seeds is gradually increased. The grass seeds are mainly used for improving deteriorated grassland, controlling desert, greening city, etc. The seeds for grassy are mainly obtained by collecting, shelling and screening fruits of flowers and grasses or pasture. The quality of the screened seeds can directly determine the quality of the grass seeds.
The patent of Chinese utility model with the publication number of CN209406819U discloses a second grade screening device for removing impurities from rice and wheat seeds; the screening device comprises a box body, wherein a feeding hole is formed in the upper end face of the box body, a waste hole is formed in the lower end of the box body, a first sieve plate and a second sieve plate are obliquely arranged in the box body, the inclination directions of the first sieve plate and the second sieve plate are opposite, the front end and the rear end of each of the first sieve plate and the second sieve plate penetrate through the side wall of the box body and extend to the outside, a driving mechanism for driving the first sieve plate and the second sieve plate to move simultaneously is arranged on the box body, two discharging holes corresponding to the first sieve plate and the second sieve plate are respectively formed in the side wall of the box body, discharging heads are fixedly connected in the two discharging holes, a plurality of support legs are uniformly distributed on the lower side of the box body, and are fixedly connected with the box body; and the screening of the seeds is realized through a two-stage screening mode. However, when the screening device is used for screening the seeds in the grass industry, flying dust of the seeds in the grass industry and the seeds with unsaturated particles cannot be removed; reducing the quality of the screened seeds.
SUMMERY OF THE UTILITY MODEL
In order to remove flying dust of the grass seeds and the seeds with insufficient particles, the quality of the screened seeds is improved; the utility model provides a grass seed screening device; in order to achieve the above object, the utility model discloses a technical scheme specifically as follows:
a grass seed screening device comprises a box body, wherein a feeding hopper is arranged on the upper end surface of the box body; the filter screen, the two guide rails, a driving mechanism for driving the filter screen to move back and forth and a gathering hopper are arranged in the box body, the two guide rails are arranged on the two inner side walls of the box body, the filter screen can slide back and forth relative to the guide rails, the gathering hopper is positioned on the lower side of the filter screen, and a discharge hole is formed in the lower end of the gathering hopper; the grass seed screening device also comprises an air blowing pipe, an air outlet pipe, a seed gathering hopper and a slag gathering hopper; the blast pipe and the air outlet pipe are respectively arranged on the side walls of the two opposite sides of the box body on the lower side of the gathering hopper, the gathering hopper and the slag gathering hopper are arranged on the lower end face of the box body in parallel, and the gathering hopper is positioned close to one side of the blast pipe.
The utility model discloses a grass seed sieving mechanism's beneficial effect: the filtering sieve is arranged in the box body, grass seeds entering through the feeding hopper are sieved, impurities in the grass seeds are sieved and removed, the sieved grass seeds are gathered through the gathering hopper and then flow out through the discharging port, and under the action of wind power blown by the blast pipe, the seeds with light particles, dust and other fine impurities in the grass seeds are blown out under the action of the wind power; the grass seeds with better quality are gathered and discharged in the gathering hopper; the wind power is utilized to separate the seeds with incomplete particles, dust and impurities of the seeds in the grass industry, and the method has the characteristics of high separation efficiency, good separation effect and the like.
Furthermore, the discharge port of the gathering hopper is a strip-shaped discharge port which is positioned right above the gathering hopper, and the strip-shaped discharge port extends along the direction perpendicular to the air outlet direction of the blast pipe.
Has the advantages that: when the grass seed after screening flows out from rectangular shape discharge gate, the grass seed that forms rectangular shape seed curtain, reduces the thickness of seed curtain, under the wind-force effect that the blast pipe blew out, is favorable to the separation of the less full seed of granule of quality, dust and other tiny debris among the grass seed.
Furthermore, the air outlet end of the blast pipe is connected with a strip-shaped air nozzle, a strip-shaped air nozzle is arranged on the strip-shaped air nozzle, and the length direction of the strip-shaped air nozzle is parallel to the extension direction of the strip-shaped discharge hole.
Has the advantages that: the long-strip-shaped air nozzle is arranged at the air outlet end of the air blowing pipe, so that flat air is blown to the grass seeds and is vertical to the falling direction of the grass seeds, and separation of the seeds with low weight, unsaturated particles, dust and other fine impurities in the grass seeds is facilitated.
Furthermore, a wind collecting cover is arranged between the air outlet pipe and the side wall of the box body, and one end of the air outlet pipe is communicated with the inside of the box body through the wind collecting cover.
Has the advantages that: through setting up the wind-collecting cover, be favorable to the direction gathering of the air current in the box, be favorable to the air current in the box to be discharged from the tuber pipe.
Furthermore, a dust removal bag is arranged in the air outlet pipe, a cleaning window is arranged on the upper side of the air outlet pipe, which is positioned on one side, close to the air gathering cover, of the dust removal bag, and a dust outlet hopper is arranged on the lower side of the air outlet pipe.
Has the advantages that: through setting up the dust bag, to filtering from the air-out pipe combustion gas stream, fly ash in the reduction air stream is favorable to environmental protection, through setting up clearance window and play dirt fill, is convenient for to the discharge of clearance, maintenance, dust bag change and fly ash in the air-out pipe.
Further, the driving mechanism comprises a motor, a driving disc, a pin shaft and a connecting rod; the motor is fixed on the outer side wall of the box body, the driving disc is fixed on an output shaft of the motor, the pin shaft is fixed on the driving disc, a through groove through which the connecting rod is inserted is formed in the side wall of the box body, and two ends of the connecting rod are respectively in rotating connection with the pin shaft and the filter screen.
Has the advantages that: the motor drives the driving disc to rotate, the driving disc drives the filter screen to move back and forth through the connecting rod, and the driving mechanism has the characteristics of simple structure, good driving effect and the like.
Further, the filter sieve slope sets up, actuating mechanism sets up the upper end of filter sieve, the lower extreme of filter sieve is provided with the slag notch, the slag notch extends outside the box.
Has the advantages that: the filter sieve is obliquely arranged, so that the slag screened from the grass seeds can be gathered at a slag outlet of the filter sieve, and the discharge of the slag is facilitated.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of the grass seed screening apparatus of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a top view of FIG. 1;
fig. 4 is a sectional view taken along line a-a in fig. 3.
Reference numbers in the figures: 1-box, 2-inlet hopper, 3-filter screen, 4-guide rail, 5-gathering hopper, 6-blast pipe, 7-outlet pipe, 8-gathering hopper, 9-slag gathering hopper, 10-slag outlet, 11-motor, 12-driving disc, 13-connecting rod, 14-pin shaft, 15-through groove, 16-discharge outlet, 17-strip-shaped air jet, 18-air gathering cover, 19-cleaning window and 20-dust-removing bag.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:
the embodiment of the grass seed screening device of the utility model has a specific structure as shown in fig. 1-4, comprising a box body 1, a feeding hopper 2, a filter sieve 3, two guide rails 4, a gathering hopper 5, a blast pipe 6, an air outlet pipe 7, a gathering hopper 8 and a slag gathering hopper 9.
The feeding hopper 2 is arranged on the upper end surface of the box body 1; the two guide rails 4 are arranged on the two inner side walls of the box body 1, sliding grooves are respectively formed in the opposite surfaces of the two guide rails 4, cylindrical convex keys are respectively arranged on the two sides of the filter sieve 3 and inserted into the sliding grooves, and the filter sieve 3 moves back and forth on the two guide rails 4 under the driving action of the driving mechanism. In this embodiment, the two guide rails 4 are arranged obliquely, so that the filter sieve 3 is arranged obliquely, the driving mechanism is arranged at the upper end of the filter sieve 3, the lower end of the filter sieve 3 is provided with a slag outlet 10, and the slag outlet 10 extends out of the box body 1; the filter sieve 3 is obliquely arranged, so that the slag screened from the grass seeds can be collected at the slag outlet 10 of the filter sieve 3, and the discharge of the slag is facilitated. The driving mechanism comprises a motor 11, a driving disc 12, a pin shaft 14 and a connecting rod 13; the motor 11 is fixed on the outer side wall of the box body 1, the driving disc 12 is fixed on an output shaft of the motor 11, the pin shaft 14 is fixed on the driving disc 12, a through groove 15 through which the connecting rod 13 is inserted is formed in the side wall of the box body 1, and two ends of the connecting rod 13 are respectively in rotating connection with the pin shaft 14 and the filter sieve 3; the motor 11 drives the driving disc 12 to rotate, the driving disc 12 drives the filter sieve 3 to move back and forth through the connecting rod 13, and the driving mechanism has the characteristics of simple structure, good driving effect and the like. In other embodiments, the driving mechanism is a telescopic cylinder, the fixed end of the telescopic cylinder is fixed on the side wall of the box body, the telescopic end of the telescopic cylinder is fixed on the filter screen, and the telescopic cylinder stretches along the length direction of the guide rail.
The gathering hopper 5 is arranged in the box body 1 and is positioned at the lower side of the filter sieve 3, and a discharge hole 16 is arranged at the lower end of the gathering hopper 5; the blast pipe 6 and the air outlet pipe 7 are respectively arranged on the side walls of the two opposite sides of the box body 1 at the lower side of the gathering hopper 5, the gathering hopper 8 and the slag gathering hopper 9 are arranged on the lower end surface of the box body 1 in parallel, and the gathering hopper 8 is positioned at one side close to the blast pipe 6. In this embodiment, the discharge port 16 of the collecting hopper 5 is an elongated discharge port 16, and is located right above the seed collecting hopper 8, and the elongated discharge port 16 extends along a direction perpendicular to the air outlet direction of the blast pipe 6; when the grass seed after screening flows out from rectangular shape discharge gate 16, the grass seed that forms rectangular shape seed curtain, reduces the thickness of seed curtain, under the wind-force effect that blast pipe 6 blew out, is favorable to the separation of the less full seed of granule of quality, dust and other tiny debris among the grass seed. The air outlet end of the blast pipe 6 is connected with a strip-shaped air nozzle, the strip-shaped air nozzle is provided with a strip-shaped air outlet 17, and the length direction of the strip-shaped air outlet 17 is parallel to the extension direction of the strip-shaped discharge hole 16; the air outlet end of the blast pipe 6 is provided with the strip-shaped air nozzle, so that the air blown to the grass seeds is flat air which is vertical to the falling direction of the grass seeds, and the separation of the seeds with light weight, such as unsaturated seeds, dust and other fine impurities in the grass seeds is facilitated. In other embodiments, the discharge opening of the collecting hopper is square or trapezoidal in shape instead of being elongated, where the blowing wind is appropriate.
In the embodiment, a wind-gathering cover 18 is arranged between the air outlet pipe 7 and the side wall of the box body 1, and one end of the air outlet pipe 7 is communicated with the inside of the box body 1 through the wind-gathering cover 18; the air collecting cover 18 is beneficial to guiding and collecting the air flow in the box body 1 and discharging the air flow in the box body 1 from the air outlet pipe 7. A dust bag 20 is arranged in the air outlet pipe 7, a cleaning window 19 is arranged on the upper side of the air outlet pipe 7 on one side of the dust bag 20 close to the air gathering cover 18, and a dust outlet hopper is arranged on the lower side of the air outlet pipe 7; through setting up dust bag 20, to straining from the discharge gas stream of air-out pipe 7, fly ash in the reduction air current is favorable to environmental protection, through setting up clearance window 19 and play dirt fill, is convenient for to the discharge of clearance, maintenance, dust bag 20 change and fly ash in the air-out pipe 7. In other embodiments, no wind-gathering cover is arranged between the air outlet pipe and the side wall of the box body; the air outlet pipe is connected with a water tank, and a washing mode is adopted to replace a dust removal bag for dust removal.
When the device is used, the seeds in the grass industry fall onto the filter sieve 3 in the box body 1 through the feeding hopper 2, the filter sieve 3 moves back and forth under the driving action of the driving mechanism to sieve the seeds in the grass industry, and slag is discharged out of the box body 1 through the slag outlet 10; after the screened grass seeds are gathered by the gathering hopper 5 and then flow out of the discharge port 16, under the action of the long-strip-shaped discharge port 16, the formed grass seeds form a long-strip-shaped seed curtain, the thickness of the seed curtain is reduced, and under the action of wind power blown by the blast pipe 6, light particles in the grass seeds are separated from plump seeds, dust and other fine impurities according to different weights; fall into a seed gathering hopper 8 and a slag gathering hopper 9 respectively; the airflow is filtered by a dust removal bag 20 in the air outlet pipe 7 and then discharged; the device utilizes wind-force to separate the seed that the granule of grass seed is not full, dust and debris, has separation efficiency height, characteristics such as separation effect are good.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (7)
1. A grass seed screening device comprises a box body, wherein a feeding hopper is arranged on the upper end surface of the box body; the device is characterized in that a filter screen, two guide rails, a driving mechanism for driving the filter screen to move back and forth and a gathering hopper are arranged in the box body, the two guide rails are arranged on the two inner side walls of the box body, the filter screen can slide back and forth relative to the guide rails, the gathering hopper is positioned at the lower side of the filter screen, and a discharge hole is formed in the lower end of the gathering hopper; the grass seed screening device also comprises an air blowing pipe, an air outlet pipe, a seed gathering hopper and a slag gathering hopper; the blast pipe and the air outlet pipe are respectively arranged on the side walls of the two opposite sides of the box body on the lower side of the gathering hopper, the gathering hopper and the slag gathering hopper are arranged on the lower end face of the box body in parallel, and the gathering hopper is positioned close to one side of the blast pipe.
2. The grass seed screening device of claim 1, wherein the discharge port of the gathering hopper is an elongated discharge port located directly above the gathering hopper, and the elongated discharge port extends in a direction perpendicular to an air outlet direction of the blast pipe.
3. The grass seed screening device of claim 2, wherein an elongated air nozzle is connected to the air outlet end of the blast pipe, an elongated air nozzle is formed in the elongated air nozzle, and the length direction of the elongated air nozzle is parallel to the extending direction of the elongated discharge hole.
4. The grass seed screening device according to claim 1 or 3, wherein a wind gathering cover is arranged between the air outlet pipe and the side wall of the box body, and one end of the air outlet pipe is communicated with the inside of the box body through the wind gathering cover.
5. The grass seed screening device according to claim 4, wherein a dust bag is arranged in the air outlet pipe, a cleaning window is arranged on the upper side of the air outlet pipe on one side of the dust bag close to the air gathering cover, and a dust outlet hopper is arranged on the lower side of the air outlet pipe.
6. The grass seed screening apparatus of claim 1, wherein the drive mechanism includes a motor, a drive disk, a pin, and a connecting rod; the motor is fixed on the outer side wall of the box body, the driving disc is fixed on an output shaft of the motor, the pin shaft is fixed on the driving disc, a through groove through which the connecting rod is inserted is formed in the side wall of the box body, and two ends of the connecting rod are respectively in rotating connection with the pin shaft and the filter screen.
7. The grass seed screening apparatus of claim 6, wherein the filter screen is disposed in an inclined manner, the driving mechanism is disposed at an upper end of the filter screen, and a slag outlet is disposed at a lower end of the filter screen and extends out of the box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022584488.0U CN214555314U (en) | 2020-11-10 | 2020-11-10 | Grass seed sieving mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022584488.0U CN214555314U (en) | 2020-11-10 | 2020-11-10 | Grass seed sieving mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214555314U true CN214555314U (en) | 2021-11-02 |
Family
ID=78358436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022584488.0U Active CN214555314U (en) | 2020-11-10 | 2020-11-10 | Grass seed sieving mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214555314U (en) |
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2020
- 2020-11-10 CN CN202022584488.0U patent/CN214555314U/en active Active
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