CN111992480A - Seed grading and screening equipment used in agricultural production - Google Patents

Seed grading and screening equipment used in agricultural production Download PDF

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Publication number
CN111992480A
CN111992480A CN202010826066.1A CN202010826066A CN111992480A CN 111992480 A CN111992480 A CN 111992480A CN 202010826066 A CN202010826066 A CN 202010826066A CN 111992480 A CN111992480 A CN 111992480A
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CN
China
Prior art keywords
filter screen
rotating shaft
agricultural production
screening
screening box
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202010826066.1A
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Chinese (zh)
Inventor
张国进
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Individual
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Individual
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Priority to CN202010826066.1A priority Critical patent/CN111992480A/en
Publication of CN111992480A publication Critical patent/CN111992480A/en
Withdrawn legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/04—Stationary flat screens
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
    • B07B1/4663—Multi-layer screening surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
    • F16F15/085—Use of both rubber and metal springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B2201/00—Details applicable to machines for screening using sieves or gratings
    • B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Pretreatment Of Seeds And Plants (AREA)

Abstract

The embodiment of the invention relates to the technical field of agricultural production, and particularly discloses a seed grading and screening device for agricultural production, which comprises a screening box; the filter box is internally and coaxially and rotatably provided with a rotating shaft, the filter box is respectively and fixedly provided with a first filter screen and a second filter screen, the rotating shaft is respectively and coaxially arranged on the first filter screen and the second filter screen in a penetrating and rotating manner, and an inner cavity of the filter box is divided by the first filter screen and the second filter screen to form three chambers, namely a first chamber, a second chamber and a third chamber; the first cavity and the second cavity are internally provided with material control assemblies; the first cavity and the second cavity are internally provided with a material poking mechanism. According to the embodiment of the invention, the material poking mechanism, the material control assembly, the first filter screen and the second filter screen are matched with each other, so that the grading screening effect of seed materials can be ensured, and the agricultural production efficiency is greatly improved.

Description

Seed grading and screening equipment used in agricultural production
Technical Field
The embodiment of the invention relates to the technical field of agricultural production, in particular to a seed grading and screening device used in agricultural production.
Background
With the development of social economy and the improvement of the level of agriculture, people have higher and higher requirements on agricultural planting, a seed screening technology becomes a hotspot of social research, seeds are screened before agricultural planting, shriveled seeds are removed, full seeds are reserved, and the improvement of the quality of planted crops is facilitated.
The utility model discloses a conveniently change agricultural cultivation seed sieving mechanism of filter plate in chinese patent of grant publication No. CN210614319U, including first mounting panel, the seed filter, first mounting panel bottom is fixed with shock-absorbing rod one end, the shock-absorbing rod other end is fixed with the universal wheel, first mounting panel top fixed mounting has the collection box, first mounting panel top is fixed with support one end, the support other end is fixed with the second mounting panel, second mounting panel top fixed mounting has the controller, the seed inlet port, second mounting panel bottom fixed mounting has first mounting bracket, first mounting bracket inner wall is seted up flutedly, fixed mounting has the bearing frame in the recess, second mounting panel lateral wall fixed mounting has the third mounting panel, fixed mounting has the motor on the third mounting panel. Above-mentioned technical scheme can effectively overcome among the prior art can't be according to the quick problem of changing the filter plate of seed of difference, but its continuity screening that can't realize grading to the seed has reduced the screening effect and the efficiency of seed, is unfavorable for going on smoothly of agricultural production.
Disclosure of Invention
The invention aims to provide a seed grading and screening device for agricultural production, which solves the problems in the background technology. In order to achieve the purpose, the invention provides the following technical scheme:
a seed grading screening device used in agricultural production comprises a screening box;
the filter box is internally and coaxially and rotatably provided with a rotating shaft, the filter box is respectively and fixedly provided with a first filter screen and a second discharge pipe, the rotating shaft is respectively and coaxially arranged on the first filter screen and the second filter screen in a penetrating and rotating manner, and an inner cavity of the filter box is divided by the first filter screen and the second filter screen to form three cavities, namely a first cavity, a second cavity and a third cavity;
the first cavity and the second cavity are internally provided with material control assemblies; the material control assembly comprises a discharging hopper fixedly arranged in the screening box; the material control assembly also comprises a material blocking disc and an electric telescopic rod for adjusting the height position of the material blocking disc; a blanking channel is formed between the blanking funnel and the blocking disc;
the first cavity and the second cavity are internally provided with a material poking mechanism.
As a further limitation of the technical scheme of the embodiment of the invention, the material shifting mechanism comprises a rotating shaft fixedly sleeved on the limiting strip, the material shifting mechanism further comprises a support ring sleeve radially and slidably sleeved on the rotating shaft, a material shifting rod is fixedly arranged on the outer ring of the support ring sleeve, a support spring is sleeved on the rotating shaft between the base and the support ring sleeve, and under the elastic supporting action of the support spring, the support ring sleeve can be pushed to move to enable the material shifting rod to be tightly attached to the surface of the first filter screen, so that when the rotating shaft rotates, the material shifting rod can be driven to shift seed materials on the first filter screen, and the screening effect of the first filter screen on the seed materials is improved.
As a further limitation of the technical solution of the embodiment of the present invention, the material poking rod is of an arc-shaped rod structure, and the arc-shaped concave surface of the material poking rod faces the direction opposite to the rotation direction of the rotation shaft.
As a further limitation of the technical solution of the embodiment of the present invention, the outer ring of the rotating shaft is provided with a limit strip, the support ring sleeve is provided with a limit groove adapted to the limit strip, and the support ring sleeve and the rotating shaft rotate synchronously by the cooperation of the limit strip and the limit groove.
As a further limitation of the technical solution of the embodiment of the present invention, a top plate of the screening box is provided with a driving motor for driving the rotation shaft to rotate, and a top plate of the screening box is further provided with a vibration-damping rubber pad for performing a vibration-damping supporting function on the driving motor.
As a further limitation of the technical scheme of the embodiment of the invention, one side of the upper part of the screening box is provided with a first discharging pipe matched with the first filter screen, and residual seeds on the first filter screen can be conveniently discharged by opening a valve on the first discharging pipe; a second discharge pipe matched with the second filter screen is arranged on one side of the lower part of the screening box, and residual seed particles on the second filter screen can be conveniently discharged by opening a valve on the second filter screen; the bottom of screening case still is provided with the third and arranges the material pipe, arranges the valve on the material pipe through opening the third, conveniently discharges the seed grain of collecting in the third chamber.
As a further limitation of the technical scheme of the embodiment of the invention, four corners of the bottom of the screening box are provided with shock absorption support legs.
As a further limitation of the technical scheme of the embodiment of the invention, the shock absorption support legs comprise support cylinders fixedly mounted at four corners of the bottom of the screening box, each support cylinder is internally provided with a support sliding block in a supporting and sliding manner through a buffer spring, each support sliding block is fixedly provided with a support leg, and the bottom end of each support leg is provided with a support seat.
As a further limitation of the technical scheme of the embodiment of the invention, a feed opening is formed at the bottom end of the feed hopper, and the rotating shaft coaxially penetrates through the feed opening.
As a further limitation of the technical scheme of the embodiment of the invention, a feeding port is arranged at the top end of the screening box.
Compared with the prior art, the seed material to be classified and screened is put into the first chamber through the feeding port, the seed material entering the first chamber is screened through the first filter screen, the seeds with small particle size enter the second chamber, and the seeds entering the second chamber are further screened through the second filter screen; the embodiment of the invention also can adjust the size of the blanking channel by controlling the telescopic length of the electric telescopic rod, thereby controlling the falling speed of the seed material entering the first cavity through the feed opening, avoiding the accumulation of the seed material and ensuring the screening effect on the seed material; in the material shifting mechanism provided by the embodiment of the invention, under the elastic supporting action of the supporting spring, the supporting ring sleeve can be pushed to move to enable the material shifting rod to be tightly attached to the surface of the first filter screen, and when the rotating shaft rotates, the material shifting rod can be driven to shift seed materials on the first filter screen, so that the screening effect of the first filter screen on the seed materials is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.
Fig. 1 is a schematic structural diagram of a seed grading and screening device for agricultural production according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a material poking mechanism in seed grading screening equipment for agricultural production according to an embodiment of the invention.
Fig. 3 is a partial perspective view of a material stirring mechanism in the seed grading and screening device for agricultural production according to the embodiment of the invention.
In the figure: 1-screening box, 2-feeding port, 3-driving motor, 4-shock-absorbing rubber pad, 5-blanking funnel, 6-blocking plate, 7-electric telescopic rod, 8-blanking port, 9-blanking channel, 10-first filter screen, 11-first discharging pipe, 12-second discharging pipe, 13-first chamber, 14-second chamber, 15-third chamber, 16-material-shifting rod, 17-supporting cylinder, 18-supporting slide block, 19-buffer spring, 20-supporting leg, 21-supporting seat, 22-third discharging pipe, 23-second discharging pipe, 24-rotating shaft, 25-base, 26-supporting ring sleeve, 27-limiting strip, 28-supporting spring and 29-limiting groove.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
As shown in fig. 1-3, in the embodiment provided by the invention, a seed classifying and screening device for agricultural production comprises a screening box 1, wherein a rotating shaft 24 is coaxially and rotatably arranged in the screening box 1, the screening box 1 is respectively and fixedly provided with a first screen 10 and a second screen 12, wherein the rotating shaft 24 is respectively and coaxially arranged on the first screen 10 and the second screen 12 in a penetrating and rotating manner;
the inner chamber of the screening box 1 is divided by a first screen 10 and a second screen 12 to form three chambers of a first chamber 13, a second chamber 14 and a third chamber 15.
Further, in the embodiment provided by the present invention, the top end of the screening box 1 is provided with a feeding port 2, the seed material to be classified and screened is fed into the first chamber 13 through the feeding port 2, the seed material entering the first chamber 13 is screened by the first screen 10, the seeds with small particle size enter the second chamber 14, and the seeds entering the second chamber 14 are further screened by the second screen 12.
In the embodiment provided by the present invention, the first chamber 13 and the second chamber 14 are both provided with a material control assembly therein;
specifically, the material control assembly comprises a discharging funnel 5 fixedly arranged in the screening box 1, a discharging opening 8 is formed in the bottom end of the discharging funnel 5, and the rotating shaft 24 coaxially penetrates through the discharging opening 8; the material control assembly further comprises a material blocking plate 6 and an electric telescopic rod 7 for adjusting the height position of the material blocking plate 6, wherein the electric telescopic rod 7 is fixedly arranged on the screening box 1;
further, in the embodiment provided by the invention, the blanking channel 9 is formed between the blanking funnel 5 and the blocking disc 6, and the size of the blanking channel 9 can be adjusted by controlling the telescopic length of the electric telescopic rod 7, so that the falling speed of the seed material entering the first chamber 13 through the feeding port 2 can be controlled, the accumulation of the seed material is avoided, and the screening effect on the seed material is ensured.
Referring to fig. 1 to 3, in the embodiment of the present invention, the first chamber 13 and the second chamber 14 are both provided with a material ejecting mechanism, the material ejecting mechanism in the first chamber 13 is adapted to the first filter screen 10, and the material ejecting mechanism in the second chamber 14 is adapted to the second filter screen 12.
Specifically, in the embodiment provided by the present invention, the material-ejecting mechanism includes a rotating shaft 24 fixedly sleeved on the limiting strip 27, the material poking mechanism further comprises a supporting ring sleeve 26 which is sleeved on the rotating shaft 24 in a radial sliding manner, the outer ring of the supporting ring sleeve 26 is fixedly provided with a kick-off rod 16, the kick-off rod 16 is of an arc-shaped rod structure, the curved concave surface of the material poking rod 16 faces to the direction opposite to the rotating direction of the rotating shaft 24, a supporting spring 28 is sleeved on the rotating shaft 24 between the base 25 and the supporting ring sleeve 26, under the elastic support of the support spring 28, the support ring 26 can be pushed to move the kick-off bar 16 against the surface of the first filter screen 10, so that, when the rotation axis 24 was rotatory, can drive the stirring pole 16 and stir the seed material on the first filter screen 10, improved the screening effect of first filter screen 10 to the seed material.
Referring to fig. 1 to 3, in the embodiment of the present invention, the outer ring of the rotating shaft 24 is provided with a limiting strip 27, the supporting ring sleeve 26 is provided with a limiting groove 29 adapted to the limiting strip 27, and the supporting ring sleeve 26 and the rotating shaft 24 rotate synchronously by the cooperation of the limiting strip 27 and the limiting groove 29.
Example 2
As shown in fig. 1-3, in the embodiment provided by the invention, the seed grading and screening device for agricultural production comprises a screening box 1, wherein four corners of the bottom of the screening box 1 are provided with shock absorption support legs; the shock absorption support legs comprise support cylinders 17 fixedly installed at four corners of the bottom of the screening box 1, each support cylinder 17 is internally provided with a support sliding block 18 in a supporting and sliding mode through a buffer spring 19, each support sliding block 18 is fixedly provided with a support leg 20, and the bottom end of each support leg 20 is provided with a support seat 21; further, in the embodiment provided by the present invention, a rotating shaft 24 is coaxially and rotatably disposed in the screening box 1, the screening box 1 is respectively and fixedly disposed with the first screen 10 and the second screen 12, wherein the rotating shaft 24 is respectively and coaxially disposed on the first screen 10 and the second screen 12 in a penetrating manner, and an inner cavity of the screening box 1 is partitioned by the first screen 10 and the second screen 12 to form three chambers, namely, a first chamber 13, a second chamber 14, and a third chamber 15.
Further, in the embodiment provided by the present invention, the top end of the screening box 1 is provided with a feeding port 2, the seed material to be classified and screened is fed into the first chamber 13 through the feeding port 2, the seed material entering the first chamber 13 is screened by the first screen 10, the seeds with small particle size enter the second chamber 14, and the seeds entering the second chamber 14 are further screened by the second screen 12.
In the embodiment provided by the present invention, the first chamber 13 and the second chamber 14 are both provided with a material control assembly therein;
specifically, the material control assembly comprises a discharging funnel 5 fixedly arranged in the screening box 1, a discharging opening 8 is formed in the bottom end of the discharging funnel 5, and the rotating shaft 24 coaxially penetrates through the discharging opening 8; the material control assembly further comprises a material blocking plate 6 and an electric telescopic rod 7 for adjusting the height position of the material blocking plate 6, wherein the electric telescopic rod 7 is fixedly arranged on the screening box 1;
further, in the embodiment provided by the invention, the blanking channel 9 is formed between the blanking funnel 5 and the blocking disc 6, and the size of the blanking channel 9 can be adjusted by controlling the telescopic length of the electric telescopic rod 7, so that the falling speed of the seed material entering the first chamber 13 through the feeding port 2 can be controlled, the accumulation of the seed material is avoided, and the screening effect on the seed material is ensured.
Referring to fig. 1 to 3, in the embodiment of the present invention, the first chamber 13 and the second chamber 14 are both provided with a material ejecting mechanism, the material ejecting mechanism in the first chamber 13 is adapted to the first filter screen 10, and the material ejecting mechanism in the second chamber 14 is adapted to the second filter screen 12.
Specifically, in the embodiment provided by the present invention, the material-ejecting mechanism includes a rotating shaft 24 fixedly sleeved on the limiting strip 27, the material poking mechanism further comprises a supporting ring sleeve 26 which is sleeved on the rotating shaft 24 in a radial sliding manner, the outer ring of the supporting ring sleeve 26 is fixedly provided with a kick-off rod 16, the kick-off rod 16 is of an arc-shaped rod structure, the curved concave surface of the material poking rod 16 faces to the direction opposite to the rotating direction of the rotating shaft 24, a supporting spring 28 is sleeved on the rotating shaft 24 between the base 25 and the supporting ring sleeve 26, under the elastic support of the support spring 28, the support ring 26 can be pushed to move the kick-off bar 16 against the surface of the first filter screen 10, so that, when the rotation axis 24 was rotatory, can drive the stirring pole 16 and stir the seed material on the first filter screen 10, improved the screening effect of first filter screen 10 to the seed material.
Referring to fig. 1-3, in the embodiment of the present invention, the outer ring of the rotating shaft 24 is provided with a limiting strip 27, the supporting ring sleeve 26 is provided with a limiting groove 29 adapted to the limiting strip 27, and the supporting ring sleeve 26 and the rotating shaft 24 rotate synchronously by the cooperation of the limiting strip 27 and the limiting groove 29;
further, in the embodiment provided by the invention, a top plate of the screening box 1 is provided with a driving motor 3 for driving the rotating shaft 24 to rotate, and a top plate of the screening box 1 is further provided with a shock-absorbing rubber pad 4 for performing a shock-absorbing supporting function on the driving motor 3.
With reference to fig. 1, in the embodiment of the present invention, a first discharging pipe 11 adapted to the first filter screen 10 is disposed on one side of the upper portion of the screening box 1, and the seeds remaining on the first filter screen 10 are conveniently discharged by opening a valve on the first discharging pipe 11; a second discharging pipe 23 matched with the second filter screen 12 is arranged on one side of the lower part of the screening box 1, and residual seeds on the second filter screen 12 can be conveniently discharged by opening a valve on the second discharging pipe 23; the bottom end of the screening box 1 is also provided with a third discharge pipe 22, and the seeds collected in the third chamber 15 can be conveniently discharged by opening a valve on the third discharge pipe 22.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A seed grading screening device used in agricultural production is characterized by comprising a screening box (1);
a rotating shaft (24) is coaxially and rotatably arranged in the screening box (1), the screening box (1) is respectively and fixedly provided with a first filter screen (10) and a second filter screen (12), the rotating shaft (24) is respectively and coaxially arranged on the first filter screen (10) and the second filter screen (12) in a penetrating and rotating manner, and an inner cavity of the screening box (1) is divided by the first filter screen (10) and the second filter screen (12) to form three chambers, namely a first chamber (13), a second chamber (14) and a third chamber (15);
the first cavity (13) and the second cavity (14) are internally provided with material control assemblies; the material control assembly comprises a discharging hopper (5) fixedly arranged in the screening box (1); the material control assembly also comprises a material blocking plate (6) and an electric telescopic rod (7) for adjusting the height position of the material blocking plate (6); a blanking channel (9) is formed between the blanking funnel (5) and the blocking plate (6);
the first cavity (13) and the second cavity (14) are internally provided with a material poking mechanism.
2. The seed classifying and screening device for agricultural production according to claim 1, wherein the material pulling mechanism includes a rotating shaft (24) fixedly sleeved on the position limiting bar (27), the material pulling mechanism further includes a supporting ring sleeve (26) radially slidably sleeved on the rotating shaft (24), the outer ring of the supporting ring sleeve (26) is fixedly provided with a material pulling rod (16), and a supporting spring (28) is sleeved on the rotating shaft (24) between the base (25) and the supporting ring sleeve (26).
3. The seed grading and screening device for agricultural production according to claim 2, characterized in that the material stirring rod (16) is an arc-shaped rod structure, and the arc-shaped concave surface of the material stirring rod (16) faces to the direction opposite to the rotating direction of the rotating shaft (24).
4. The seed grading and screening device for agricultural production according to claim 2 or 3, wherein a limiting strip (27) is arranged on the outer ring of the rotating shaft (24), and a limiting groove (29) matched with the limiting strip (27) is formed on the supporting ring sleeve (26).
5. The seed grading and screening device for agricultural production according to claim 4, characterized in that a driving motor (3) for driving the rotating shaft (24) to rotate is arranged on the top plate of the screening box (1), and a damping rubber pad (4) for damping and supporting the driving motor (3) is further arranged on the top plate of the screening box (1).
6. The seed grading and screening device for agricultural production according to any one of claims 1 to 3, wherein a first discharging pipe (11) adapted to the first filter screen (10) is arranged on one side of the upper part of the screening box (1); a second discharge pipe (23) matched with the second discharge pipe (12) is arranged on one side of the lower part of the screening box (1); the bottom end of the screening box (1) is also provided with a third discharge pipe (22).
7. The seed grading and screening device for agricultural production according to claim 6, characterized in that four corners of the bottom of the screening box (1) are provided with shock absorption support legs.
8. The seed grading and screening device for agricultural production according to claim 7, wherein the shock absorption support legs comprise support cylinders (17) fixedly installed at four corners of the bottom of the screening box (1), each support cylinder (17) is internally provided with a support sliding block (18) in a supporting and sliding manner through a buffer spring (19), each support sliding block (18) is fixedly provided with a support leg (20), and the bottom end of each support leg (20) is provided with a support seat (21).
9. The seed grading and screening device for agricultural production according to claim 3, wherein a feed opening (8) is opened at the bottom end of the feed hopper (5), and the rotating shaft (24) coaxially penetrates through the feed opening (8) and is arranged therein.
10. The seed classifying and screening device for agricultural production according to claim 1, 2, 3 or 9, wherein the top end of the screening box (1) is provided with a feeding port (2).
CN202010826066.1A 2020-08-17 2020-08-17 Seed grading and screening equipment used in agricultural production Withdrawn CN111992480A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010826066.1A CN111992480A (en) 2020-08-17 2020-08-17 Seed grading and screening equipment used in agricultural production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010826066.1A CN111992480A (en) 2020-08-17 2020-08-17 Seed grading and screening equipment used in agricultural production

Publications (1)

Publication Number Publication Date
CN111992480A true CN111992480A (en) 2020-11-27

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CN202010826066.1A Withdrawn CN111992480A (en) 2020-08-17 2020-08-17 Seed grading and screening equipment used in agricultural production

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112840790A (en) * 2020-12-31 2021-05-28 界首市佳祺农业开发有限公司 Seed disinfection system for preventing and treating seedling planting diseases
CN112974235A (en) * 2021-02-20 2021-06-18 安徽省成顺同生物科技有限公司 Pharmacy filter sieve device for avoiding influence of residues in raw materials on pharmacy quality
CN113414108A (en) * 2021-07-12 2021-09-21 深圳成武金石农业开发有限公司 Agricultural product quality detection sieving mechanism
CN114472126A (en) * 2022-02-22 2022-05-13 安徽国瑞种业有限公司 Seed classified screening device with high sorting efficiency

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112840790A (en) * 2020-12-31 2021-05-28 界首市佳祺农业开发有限公司 Seed disinfection system for preventing and treating seedling planting diseases
CN112974235A (en) * 2021-02-20 2021-06-18 安徽省成顺同生物科技有限公司 Pharmacy filter sieve device for avoiding influence of residues in raw materials on pharmacy quality
CN113414108A (en) * 2021-07-12 2021-09-21 深圳成武金石农业开发有限公司 Agricultural product quality detection sieving mechanism
CN114472126A (en) * 2022-02-22 2022-05-13 安徽国瑞种业有限公司 Seed classified screening device with high sorting efficiency

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Application publication date: 20201127