CN215198227U

CN215198227U - Seed sieving mechanism is used to agricultural

Info

Publication number: CN215198227U
Application number: CN202120782929.XU
Authority: CN
Inventors: 罗健; 江晖; 黄海立; 江春
Original assignee: Guangxi Datong Pastoral Comprehensive Development Co ltd
Current assignee: Guangxi Wuxuan Daya Ecological Agriculture Co.,Ltd.
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2021-12-17
Anticipated expiration: 2031-04-16

Abstract

The utility model relates to the technical field of seed processing, and the proposal is an agricultural seed screening device, which comprises a bottom plate, wherein the top end of the bottom plate is provided with a box body, the left side of the bottom of the box body is provided with an inner concave cavity, the upper part of the right wall of the box body is provided with an air outlet, the upper part of the left wall of the box body is provided with an air inlet, a fan is arranged in the air inlet, the right side of the top wall of the inner concave cavity is provided with a division plate, the right side cavity of the division plate is a minor seed cavity, the lower part of the right side of the minor seed cavity is provided with a minor seed cleaning door, the left side of the division plate is a major seed cavity, the left side of the bottom wall of the major seed cavity is provided with a major seed discharging door, a spiral conveying mechanism arranged by the proposal can send the seeds screened out at one time back to an inlet for secondary air blowing and screening, the removal rate of the unqualified seeds is obviously improved after multiple air blowing and screening treatment, a designed discharging amount adjusting mechanism can adjust the seed amount falling into the air outlet, the screening effect of seed can further be promoted to control the volume of output.

Description

Seed sieving mechanism is used to agricultural

Technical Field

The utility model relates to a seed processing technology field specifically is a seed sieving mechanism for agricultural.

Background

The gymnosperm and angiosperm specific propagules, it is formed by ovule through pollination fertilization, the seed is generally made up of three parts of seed coat, embryo and endosperm, there are plant mature seeds only have seed coat and embryo two parts, the formation of seed makes the young sporophyte ovule obtain the protection of the mother, and get sufficient nourishment like the fetus of the mammal, the seed also has various structures suitable for spreading or resisting the bad condition, have created the good condition for the race continuation of the plant, so the seed plant can replace the fern plant to gain the dominance in the phylogenetic course of the plant, the above is the seed of botanical significance, but not the seed of production, the seed of production includes not merely the preceding botanical seed, but also can be used as organ and artificial seed of reproduction.

Patent CN202020733300.1 discloses a seed sieving mechanism for agricultural, including funnel and motor, the inside of funnel is provided with the choke valve, and the front end of choke valve is provided with the support frame, the middle part of support frame is provided with the slide rail, and the middle part of slide rail is provided with the box, the inside of box is provided with the main shaft, and the right-hand member of main shaft is provided with the bearing frame, the upper end of bearing frame is provided with the rotation axis, and the right-hand member of rotation axis is provided with the briquetting, the right-hand member of briquetting is provided with the filter screen, the lower extreme of eccentric shaft is provided with the guide plate, the right-hand member of waste bin is provided with the screening storehouse, the lower extreme of motor is provided with bellows, the inside of bellows is provided with the fan blade. This seed sieving mechanism for agricultural compares with current ordinary seed sieving mechanism, and filter screen cloth can be changed according to the difference of seed to this device, and the device can filter the weight and the size of seed simultaneously, improves the screening efficiency of seed simultaneously.

Although above-mentioned device has utilized the fan to carry out seed screening, its screening process is the single, and the effect of single blowing screening is relatively poor, still contains more unqualified seed in the seed of screening out.

Based on this, this scheme has designed a seed sieving mechanism for agricultural to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a seed sieving mechanism for agricultural to solve the problem in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an agricultural seed screening device comprises a bottom plate, wherein a box body is arranged at the top end of the bottom plate, an inner concave cavity is arranged on the left side of the bottom of the box body, an air outlet is arranged on the upper portion of the right wall of the box body, an air inlet is arranged on the upper portion of the left wall of the box body, a fan is arranged in the air inlet, a partition plate is arranged on the right side of the top wall of the inner concave cavity, the right side cavity of the partition plate is a minor seed cavity, a minor seed cleaning door is arranged on the lower portion of the right side of the minor seed cavity, a major seed cavity is arranged on the left side of the partition plate, a major seed discharging door is arranged on the left side of the bottom wall of the major seed cavity, a vertical cylinder is arranged adjacent to the left side of the top end of the bottom plate, a conveying screw rod is rotatably arranged in the vertical cylinder, the top end of the conveying screw rod penetrates through the top end of the vertical cylinder and is connected with a driving motor, a discharge pipe is arranged on the upper portion of the right wall of the vertical cylinder, the left feed inlet in box top is connected to the bottom of arranging the material pipe, and the box inner chamber is close to feed inlet downside position and is provided with the stripper, be provided with load adjustment mechanism near stripper top position on the box roof, erect a left side lower part and be equipped with the raw material tank, be provided with the inlet pipe between the right side lower part of raw material tank and the vertical retort, be provided with the feed back pipeline between feed back mouth and the vertical retort.

Preferably, a blocking plate is movably inserted on the top wall of the feed back pipeline.

Preferably, a filter screen is arranged in the air outlet.

Preferably, a clout recovery structure is arranged on the lower portion of the inner cavity of the vertical cylinder, the clout recovery structure comprises an inclined plate arranged on the lower portion of the inner cavity of the vertical cylinder, the inclined plate is inclined downwards towards the left, the conveying screw rod movably penetrates through the middle of the inclined plate, and a collection port is arranged on the left side wall of the vertical cylinder close to the left end of the top end of the inclined plate.

Preferably, the bottom end of the bottom plate is provided with universal wheels.

Preferably, the discharge regulating mechanism comprises a plate body, a handle is arranged on the top end of the plate body, the plate body is movably inserted on the top wall of the box body, a vertical groove is formed in the right side of the plate body, a limiting rack is arranged in the vertical groove, the discharge regulating mechanism further comprises a convex plate arranged on the top wall of the box body, the convex plate is close to the right side of the plate body, a limiting pull rod is arranged on the convex plate in a penetrating mode in a transverse moving mode, the left end of the limiting pull rod is a tip, and a reset spring is arranged between the right portion of the limiting pull rod and the right wall of the convex plate.

Compared with the prior art, the beneficial effects of the utility model are that: the screw conveying mechanism that this scheme set up can send back the seed of once screening back the entrance again and carry out the secondary screening of blowing, through the screening processing of blowing many times, the clearance of unqualified seed obtains showing and promotes, and the load adjustment mechanism of design can adjust the play volume that falls into the wind gap, and the screening effect of seed can further be promoted to the control play volume.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the utility model at A;

fig. 3 is an enlarged schematic view of the position B of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: an agricultural seed screening device comprises a bottom plate 1, a box body 2 is arranged at the top end of the bottom plate 1, an inner concave cavity 3 is arranged on the left side of the bottom of the box body 2, an air outlet 4 is arranged on the upper portion of the right wall of the box body 2, an air inlet 5 is arranged on the upper portion of the left wall of the box body 2, a fan 6 is arranged in the air inlet 5, a partition plate 7 is arranged on the right side of the top wall of the inner concave cavity 3, a inferior seed cavity 8 is arranged on the right side of the partition plate 7, a inferior seed cleaning door 9 is arranged on the lower portion of the right side of the inferior seed cavity 8, a superior seed cavity is arranged on the left side of the partition plate 7, a superior seed discharge door 10 is arranged on the left side of the bottom wall of the superior seed discharge door 10, a material guide plate 11 is arranged on the right side of the left wall of the superior seed cavity, a vertical cylinder 13 is arranged on the left side of the bottom plate 1 adjacent to the box body 2, a conveying screw rod 14 is rotatably arranged in the vertical cylinder 13, the top end of the vertical cylinder 13 and a driving motor 15 is connected with a discharge pipe 16, the left feed inlet in box 2 top is connected to the bottom of arranging material pipe 16, and box 2 inner chamber is close to feed inlet downside position and is provided with stripper 17, is provided with load adjustment mechanism 18 near stripper 17 top position on the box 2 roof, and vertical shaft 13 left side lower part is equipped with raw material tank 19, is provided with inlet pipe 20 between the right side lower part of raw material tank 19 and the vertical shaft 13, is provided with feed back pipeline 21 between feed back mouth 12 and the vertical shaft 13.

Further, a blocking plate 22 is movably inserted on the top wall of the return pipe 21 for blocking or opening the return pipe 21.

Further, be provided with filter screen 41 in the air outlet 4, avoid impurity directly to arrange outward.

Further, 13 inner chamber lower parts of vertical cylinder are equipped with the clout and retrieve the structure, and the clout is retrieved the structure and is including establishing swash plate 231 in 13 inner chamber lower parts of vertical cylinder, and swash plate 231 sets up towards left side down slope, carries 14 activities of hob through swash plate 231 middle parts, is close to swash plate 231 top left end position on the 13 left side wall of vertical cylinder and is equipped with collection mouth 232, can clear up some kind of material pieces of retrieving the 13 lower parts of vertical cylinder.

Furthermore, the bottom end of the bottom plate 1 is provided with universal wheels.

Further, the discharge amount adjusting mechanism 18 comprises a plate body 181, a handle is arranged on the top end of the plate body 181, the plate body 181 is movably inserted into the top wall of the box body 2, a vertical groove 182 is formed in the right side of the plate body 181, a limit rack 183 is arranged in the vertical groove 182, the discharge amount adjusting mechanism 18 further comprises a convex plate 184 arranged on the top wall of the box body 2, the convex plate 184 is close to the right side of the plate body 181, a limit pull rod 185 is arranged on the convex plate 184 in a penetrating mode in a transverse moving mode, the left end of the limit pull rod 185 is a tip end, and a reset spring 186 is arranged between the right portion of the limit pull rod 185 and the right wall of the convex plate 184.

The working principle is as follows: in the scheme, all electric devices are electrically connected with an external power supply through an external control switch, when the seed sorting device is used, a certain amount of seed raw materials are poured into a raw material box 19, a driving motor 15 is started, the seeds enter a feeding port of a box body 2 through a conveying screw rod 14 and fall onto a discharging plate 17, the seeds fall to a blowing port at a proper flow rate through the adjusting action of a discharging amount adjusting machine 18, the empty seeds or shells are blown to a inferior seed cavity 8 on the right side of a partition plate 7 to be collected through the wind power action, superior seeds are gathered in a superior seed cavity, under the action of a material guide plate 11, the seeds screened once enter a vertical cylinder 13 again through a material return pipeline 21 to be conveyed for the second time, and through multiple screening treatments, the seed screening effect is remarkably improved;

after the repeated screening process is finished, the blocking plate 22 is inserted to block the feed back channel 21, the high-quality seeds are gathered in the high-quality seeds cavity, the screening is completely finished, the high-quality seeds discharging door 10 is opened to collect the high-quality seeds, and the low-quality seeds cleaning door 9 is opened to clean the low-quality seeds.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The further embodiments of the present invention disclosed above are merely intended to help illustrate the present invention. Further embodiments are not exhaustive and do not limit the utility model to the specific embodiments described. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The agricultural seed screening device is characterized by comprising a bottom plate (1), wherein a box body (2) is arranged at the top end of the bottom plate (1), an inner concave cavity (3) is arranged on the left side of the bottom of the box body (2), an air outlet (4) is arranged on the upper portion of the right wall of the box body (2), an air inlet (5) is arranged on the upper portion of the left wall of the box body (2), a fan (6) is arranged in the air inlet (5), a partition plate (7) is arranged on the right side of the top wall of the inner concave cavity (3), a right side cavity of the partition plate (7) is a minor seed cavity (8), a minor seed cleaning door (9) is arranged on the lower portion of the right side of the minor seed cavity (8), a major seed cavity is arranged on the left side of the partition plate (7), a major seed discharge door (10) is arranged on the left side of the bottom wall of the major seed cavity, a material guide plate (11) is arranged on the right side of the top end of the major seed discharge door (10), a material return hole (12) is arranged on the lower portion of the left side wall of the major seed cavity, a vertical cylinder (13) is arranged at the left side of the top end of the bottom plate (1) adjacent to the box body (2), a conveying screw rod (14) is rotationally arranged in the vertical cylinder (13), the top end of the conveying screw rod (14) penetrates through the top end of the vertical cylinder (13) and is connected with a driving motor (15), a material discharging pipe (16) is arranged on the upper part of the right wall of the vertical cylinder (13), the bottom end of the material discharging pipe (16) is connected with a feed inlet on the left side of the top of the box body (2), a discharge plate (17) is arranged at the position, close to the lower side of the feed inlet, of the inner cavity of the box body (2), a discharge quantity adjusting mechanism (18) is arranged on the top wall of the box body (2) and is close to the upper part of the discharging plate (17), a raw material box (19) is arranged at the lower part of the left side of the vertical cylinder (13), a feeding pipe (20) is arranged between the lower part of the right side of the raw material box (19) and the vertical cylinder (13), and a feed back pipeline (21) is arranged between the feed back port (12) and the vertical cylinder (13).

2. The agricultural seed screening apparatus according to claim 1, wherein: a blocking plate (22) is movably inserted on the top wall of the feed back pipeline (21).

3. The agricultural seed screening apparatus according to claim 1, wherein: a filter screen (41) is arranged in the air outlet (4).

4. The agricultural seed screening apparatus according to claim 1, wherein: the utility model discloses a vertical column (13) inner chamber lower part is equipped with clout and retrieves the structure, the clout is retrieved the structure and is included swash plate (231) of establishing in vertical column (13) inner chamber lower part, swash plate (231) down slope setting towards a left side, carry screw rod (14) activity to run through swash plate (231) middle part, be close to swash plate (231) top left end position on vertical column (13) left side wall and be equipped with collection mouth (232).

5. The agricultural seed screening apparatus according to claim 1, wherein: the bottom end of the bottom plate (1) is provided with universal wheels.

6. The agricultural seed screening apparatus according to claim 1, wherein: the discharge amount adjusting mechanism (18) comprises a plate body (181), a handle is arranged on the top end of the plate body (181), the plate body (181) is movably inserted into the top wall of the box body (2), a vertical groove (182) is arranged on the right side of the plate body (181), a limiting rack (183) is arranged in the vertical groove (182), the discharge amount adjusting mechanism (18) further comprises a convex plate (184) arranged on the top wall of the box body (2), the convex plate (184) is close to the right side of the plate body (181), a limiting pull rod (185) is arranged on the convex plate (184) in a penetrating mode in a transverse moving mode, the left end of the limiting pull rod (185) is a tip, and a reset spring (186) is arranged between the right portion of the limiting pull rod (185) and the right wall of the convex plate (184).