CN112191534A

CN112191534A - Seed screening device and using method thereof

Info

Publication number: CN112191534A
Application number: CN202010949898.2A
Authority: CN
Inventors: 刘海波; 杜萍; 王冬冬
Original assignee: Suzhou Jinsi Port Intelligent Development Co ltd
Current assignee: Suzhou Jinsi Port Intelligent Development Co ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2021-01-08

Abstract

The invention discloses a seed screening device and a using method thereof, wherein the seed screening device comprises the following steps: the screening device comprises a screening cavity, a blanking cavity, slide rails arranged on the inner walls of the screening cavity and the blanking cavity, and a plurality of groups of screeners connected with the slide rails; each set of screeners includes: the two screening lines and the two ends of the screening lines are respectively connected with a moving device, and the moving devices are arranged on the sliding rails; the mobilizer includes: the twisting machine comprises a movable base, a rotating cavity and a twister, wherein the rotating cavity is arranged on the movable base, and a moving piece and the twister are arranged in the rotating cavity; the twisting rotator is connected with the screening line, the twisting rotator is arranged in the twister, the twister and the rotating cavity are respectively provided with a first angle sensor and a second angle sensor, the moving sheet is provided with a displacement sensor and a processor signal receiver, and the movable base is provided with a laser ranging sensor and a processor; according to the invention, different seeds are accurately screened through autorotation, rotary twisting and interval adjustment of the screening line.

Description

Seed screening device and using method thereof

Technical Field

The invention relates to the technical field of seed screening, in particular to a seed screening device and a using method thereof.

Background

Seed screening is a common and simple way for directly improving seed quality, and is an important link for ensuring seed quality in production. The plumpness, the particle size, the shape and the like of the screened seeds are all required correspondingly in the screening process. The seeds are shriveled and small in particle size, which are not beneficial to culture, and various problems such as low germination rate, low survival rate, poor drought and waterlogging resistance and the like are easy to occur in the planting process, so that the planting efficiency can be effectively ensured only by screening the seeds with proper particle size for planting.

The current seed screening ware is when the screening seed, generally make the screen cloth shake through the vibrating motor vibration, thereby realize the screening to the seed, this kind of vibrating motor driven mode vibration range is less, the degree of accuracy of the screening of unable abundant assurance seed, simultaneously because the screen cloth slope sets up, when seed quantity is more, the roll speed of seed is very fast, some small granule's seed has not yet arrived to be screened just to be wrapped up in by large granule seed and hold the screen cloth, the screening effect is unsatisfactory. In addition, the seed still adopts the selection by winnowing mode when the screening, sets up the seed bushing in the below of selection by winnowing passageway again, and then collects qualified seed, for example chinese patent application, 201120022576X discloses a seed air separator, including setting up the tuber pipe in the frame, the inside fan blade that provides wind energy that is equipped with of tuber pipe, the winnowing box is connected to one side of tuber pipe, and the upper portion of winnowing box is equipped with the feeder hopper, and wherein, one side of winnowing box is equipped with hierarchical sieve group, and hierarchical sieve group includes: sundries sieve, seed sieve and sand sieve. Due to the adoption of the grading sieve group of the impurity sieve, the seed sieve and the sand and stone sieve arranged on one side of the winnowing box, impurities and sand and stone mixed in the seeds of the selected seeds can be effectively extracted. The discharge hole arranged at the lower part of the air pipe can extract the seeds with light specific gravity. The grading sieve group with the structure is fixed and only depends on the leakage holes for grading, so that a plurality of layers of screens are required to sieve sundries, sand, stones, seeds and the like.

The existing seed screener can only screen single crops, when different crops are encountered, different screeners are required to be used for carrying out special screening on the crops due to different particle sizes of the crops, and the seed screener in the current market cannot accurately control the size of screened seeds.

Disclosure of Invention

The invention overcomes the defects of the prior art and provides a seed screening device and a using method thereof.

In order to achieve the purpose, the invention adopts the technical scheme that: a seed screening apparatus comprising: a screening cavity and a blanking cavity, slide rails arranged on the inner walls of the screening cavity and the blanking cavity, and a plurality of groups of screeners connected with the slide rails,

each set of said screens comprising: the screening machine comprises a plurality of screening lines and movable devices, wherein the movable devices are respectively connected with two ends of the screening lines and are arranged on the sliding rails; the mobilizer includes: the twisting machine comprises a movable base, a rotating cavity and a twister, wherein the rotating cavity is arranged on the movable base, and a moving piece and the twister are arranged in the rotating cavity; a twisting rotator is arranged in the twister and is connected with the screening line, a first angle sensor and a second angle sensor are respectively arranged in the twister and the rotating cavity, a displacement sensor is arranged on the moving plate, and a laser ranging sensor and a processor are arranged on the movable base;

every group in the screening chamber the screener passes through the slide rail all moves to blanking chamber corresponds the position.

In a preferred embodiment of the invention, the inner cavity of the rotating cavity is matched with the sizes of the moving piece and the twister.

In a preferred embodiment of the invention, the screening wires of each group are equal in diameter and length and parallel to each other.

In a preferred embodiment of the invention, the bottom of the screening chamber is provided with a plurality of air blowing holes.

In a preferred embodiment of the present invention, processor signal receivers are disposed on both the moving plate and the rotating chamber.

In a preferred embodiment of the present invention, a processor control panel is disposed on an outer wall of the screening chamber, and the processor control panel is connected to the processor.

In a preferred embodiment of the invention, the bottom of the screening chamber is provided with a deflector at a position corresponding to the screening line.

In a preferred embodiment of the present invention, a forward and backward motor is further disposed on the movable base, and the rotating cavity is connected to an output shaft of the forward and backward motor.

The invention also provides a use method of the seed screening device, which is characterized by comprising the following steps:

s1, blowing air into the screening cavity through a plurality of air blowing holes at the bottom of the screening cavity;

s2, each group of screening devices in the screening cavity move downwards along the sliding rail, after the screening lines reach a certain height, the processor receives signals of the laser ranging sensor and controls the movement of the movable device to adjust the distance between the screening lines to screen seeds, and the movable device moves upwards along the sliding rail;

s3, each group of rotating cavities rotate in the same direction through a forward and reverse rotating motor, the placing postures of the seeds are adjusted, the seeds are screened, and meanwhile, a second angle sensor transmits a rotating angle signal of each rotating cavity to a processor;

s4, each group of twisting rotators drives the screening wire to rotate and twist, after the first angle sensor transmits the measured rotation angle signal to the processor, the movable piece drives the twister to complete the movement of the corresponding distance according to the output instruction of the processor, the displacement sensor feeds back the parameter signal of the actual displacement of the movable piece to the processor, and the actual compensation length of the screening wire is calculated;

s5, every group of screeners in the screening chamber all remove corresponding position in the blanking chamber through the slide rail, and the mode that the seed drops into the blanking chamber is: the processor controls the movable device to adjust the space between the screening lines through signals of the distance measuring sensors in each group of the screening devices, and seeds are thrown into the blanking cavity.

In a preferred embodiment of the present invention, the manner of putting the seeds into the blanking chamber in the step S5 is as follows: each group of screeners control the height of the movable device on one side and discharge materials.

The invention solves the defects in the background technology, and has the following beneficial effects:

(1) in the invention, the screening wires are twisted by the twister and can be bent to cause the space between each group of screening wires to be reduced, meanwhile, a first angle sensor on the twister transmits a measured rotation angle signal to the processor, the moving piece drives the twister to complete the movement of a corresponding distance according to an output instruction of the processor, and the displacement sensor feeds back a parameter signal of the actual displacement of the moving piece to the processor to calculate the actual compensation length of the screening wires. Therefore, the precise control of the screen line spacing or the mesh number can be realized, the wrong screening of the seed screening is further reduced, and the precision of the seed screening is improved.

(2) According to the invention, the screening line is enabled to rotate by rotating the screener, so that the placing posture and angle of the seeds can be adjusted, the seeds which do not conform to the specification can be removed from the screening line, the phenomenon that the seeds are mistakenly screened due to the stacking of the seeds is avoided, the wrong screening rate of seed screening is reduced, and the efficiency is improved.

(3) The invention realizes the adjustment of the spacing between the screening lines by controlling the movable base through the processor and the control panel so as to achieve the accurate screening of different meshes and is suitable for the screening of seeds with different specifications.

(4) According to the invention, a plurality of groups of screeners are arranged, all groups of screeners start to work simultaneously, and after each group of screeners are screened, all groups of screeners move to corresponding positions of the sliding rails on the blanking cavity through the sliding rails to blank, so that the working process is ordered, and the screening working efficiency is improved.

Drawings

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

FIG. 1 is a perspective block diagram of a preferred embodiment of the present invention;

fig. 2 is a perspective view illustrating a slide rail according to a preferred embodiment of the present invention;

FIG. 3 is a perspective view of a screener of a preferred embodiment of the present invention;

FIG. 4 is an exploded view of the screener of the preferred embodiment of the present invention;

in the figure: 100. a screening chamber; 110. a gas blowing hole; 120. a partition plate; 130. a blanking cavity; 140. a processor control panel;

200. a slide rail; 300. screening the wires; 400. a mobilizer; 410. a twister; 411. a twisting rotator; 412. a first angle sensor; 420. moving the sheet; 421. a processor signal receiver; 422. a displacement sensor; 430. a rotating chamber; 431. a second angle sensor; 440. a movable base; 441. a processor; 442. laser rangefinder sensor.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the scope of the present application. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either 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 meaning of the above terms in the present application can be understood by those of ordinary skill in the art through specific situations.

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

The invention will now be described in further detail with reference to the accompanying drawings and examples, which are simplified schematic drawings and illustrate only the basic structure of the invention in a schematic manner, and thus show only the constituents relevant to the invention.

As shown in fig. 1 and 2, a seed screening apparatus includes: screening chamber 100 and blanking chamber 130, the slide rail 200 that sets up on screening chamber 100 and blanking chamber 130 inner wall, a plurality of groups of screeners of being connected with slide rail 200, every screener all has the slide rail 200 of four directions of upper and lower, left and right to connect, wherein still is provided with a baffle 120 between screening chamber 100 and the blanking chamber 200, prevents that the seed in screening chamber 100 and blanking chamber 200 from obscuring.

Referring to fig. 3 and 4, each set of filters includes: two screening lines 300 and a moving device 400 respectively connected with two ends of the screening lines 300, wherein the moving device 400 is arranged on the slide rail 200, and the diameter and the length of each group of screening lines 300 are equal and are parallel to each other; the mobilizer 400 includes: a movable base 440, a rotation chamber 430 disposed on the movable base 440, a moving plate 420 disposed in the rotation chamber 430, and a twister 410 connected to the moving plate 420; a twisting rotator 411 is arranged in the twister 410, the twisting rotator 411 is connected with the screening line 300, a first angle sensor 412 and a second angle sensor 431 are respectively arranged in the twister 410 and the rotating cavity 430, a displacement sensor 422 and a processor signal receiver 421 are arranged on the moving plate 420, and a laser ranging sensor 442 and a processor 441 are arranged on the movable base 440; each group of the screeners in the screening chamber 100 moves to the corresponding position of the blanking chamber 130 through the slide rail 200. The inner cavity of the rotating cavity 430 is matched with the size of the moving plate 420 and the twister 410. The outer wall of the screening chamber is provided with a processor control panel 140, and the processor control panel 140 is connected with the processor 441.

It should be noted that, in the present invention, the screening lines 300 are twisted by the twister 410, the screening lines 300 are bent, so that the distance between each group of screening lines 300 is reduced, meanwhile, the first angle sensor 412 on the twisting 410 transmits the measured rotation angle signal to the processor 441, the moving plate 420 drives the twister 410 to complete the movement of the corresponding distance according to the instruction output by the processor 441, and the displacement sensor 422 feeds back the parameter signal of the actual displacement of the moving plate to the processor 441, so as to calculate the actual compensation length of the screening lines 300. Therefore, the accurate control of the distance or the mesh number of the screening lines 300 can be realized, the wrong screening of seed screening is further reduced, and the accuracy of seed screening is improved.

The signal receivers of the processors on the moving plate 420 and the rotating cavity 430 can receive signals transmitted by the processors and act on the moving plate 420 and the rotating cavity 430.

The bottom of the screening cavity 100 is also provided with a plurality of air blowing holes 110; the bottom of the screening chamber 100 is provided with a deflector at a position corresponding to the screening line 300.

It should be noted that the bottom of the screening chamber 100 is provided with a plurality of air blowing holes 110 or wire shifting devices, so that the seeds can be blown when the screening line descends, the screening line is prevented from descending to a certain height and being blocked by the seeds, and the seeds cannot reach the bottom of the screening chamber 100, and the screening rate is improved.

According to the invention, the screening line is enabled to rotate by rotating the screener, so that the placing posture and angle of the seeds can be adjusted, the seeds which do not conform to the specification can be removed from the screening line, the phenomenon that the seeds are mistakenly screened due to the stacking of the seeds is avoided, the wrong screening rate of seed screening is reduced, and the efficiency is improved.

The screening device can achieve accurate screening of different meshes by controlling the movable base 440 to adjust the distance between the screening lines, and is suitable for screening seeds of different specifications.

The invention also provides a use method of the seed screening device, which comprises the following steps:

s5, each group of the screeners in the screening cavity move to corresponding positions in the blanking cavity through the slide rails, and the mode that seeds are put into the blanking cavity is as follows: the processor controls the movable device to adjust the space between the screening lines through signals of the distance measuring sensors in each group of the screening devices, and seeds are thrown into the blanking cavity.

It should be noted that, in step S5, the manner of putting the seeds into the blanking cavity may be: each set of screens is blanked by controlling the height of the one side mobilizer 400.

When the device is used, firstly, a plurality of air blowing holes at the bottom of the screening cavity start to blow air into the screening cavity; each group of screeners in the screening cavity move downwards along the slide rail, after the screening lines reach a certain height, the processor receives signals of the laser ranging sensor and controls the movement of the movable device to adjust the space between the screening lines to screen seeds, and the movable device moves upwards along the slide rail; each group of rotating cavities rotate in the same direction through a forward and reverse rotating motor, the placing postures of the seeds are adjusted, the seeds are screened, and meanwhile, a second angle sensor transmits a rotating angle signal of each rotating cavity to the processor; each group of twisting rotators drives the screening line to rotate and twist, after the first angle sensor transmits a measured rotation angle signal to the processor, the movable sheet drives the twister to complete the movement of a corresponding distance according to an output instruction of the processor, and the displacement sensor feeds back a parameter signal of the actual displacement of the movable sheet to the processor to calculate the actual compensation length of the screening line; every group in the screening chamber the screener passes through the slide rail and all removes corresponding position in the blanking chamber, and the mode that the seed drops into the blanking chamber is: the processor controls the movable device to adjust the space between the screening lines through signals of the distance measuring sensors in each group of the screening devices, and seeds are thrown into the blanking cavity.

In light of the foregoing description of the preferred embodiment of the present invention, it is to be understood that various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A seed screening apparatus comprising: a screening cavity and a blanking cavity, slide rails arranged on the inner walls of the screening cavity and the blanking cavity, and a plurality of groups of screeners connected with the slide rails,

2. A seed screening apparatus according to claim 1, wherein: the inner cavity of the rotary cavity is matched with the movable sheet and the twister in size.

3. A seed screening apparatus according to claim 1, wherein: the diameter and the length of each group of screening wires are equal and are parallel to each other.

4. A seed screening apparatus according to claim 1, wherein: and a plurality of air blowing holes are formed in the bottom of the screening cavity.

5. A seed screening apparatus according to claim 1, wherein: the moving plate and the rotating cavity are both provided with a processor signal receiver.

6. A seed screening apparatus according to claim 1, wherein: a processor control panel is arranged on the outer wall of the screening cavity and connected with the processor.

7. A seed screening apparatus according to claim 1, wherein: and the bottom of the screening cavity is provided with a wire shifting device at a position corresponding to the screening wire.

8. A seed screening apparatus according to claim 1, wherein: the movable base is further provided with a positive and negative motor, and the rotating cavity is connected with an output shaft of the positive and negative motor.

9. The method for using the seed screening device according to any one of claims 1 to 8, comprising the following steps:

10. The method of using a seed screening apparatus according to claim 9, wherein: the mode that the seeds are thrown into the blanking cavity in the S5 is as follows: each group of screeners control the height of the movable device on one side and discharge materials.