CN211217542U

CN211217542U - Agricultural seed sieve separator

Info

Publication number: CN211217542U
Application number: CN201922289042.2U
Authority: CN
Inventors: 王志超; 王国群; 王新伟; 王帅; 唐二贤
Original assignee: Jiyuan Chaoqun Agricultural Technology Development Co ltd
Current assignee: Jiyuan Chaoqun Agricultural Technology Development Co ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-08-11
Anticipated expiration: 2029-12-19

Abstract

The utility model belongs to the field of agricultural equipment, in particular to an agricultural seed screening machine, which comprises a fan impurity removal box and a screening mechanism, wherein a first screen is arranged below a feed inlet, a fan port is arranged inside the fan impurity removal box, the wind direction of a fan is the horizontal direction, a position opposite to the fan port on the side wall of the fan impurity removal box is provided with an impurity discharge port, a second screen is arranged under the first screen, the mesh of the second screen is 1.2-1.5 times of that of the conventional seed, and the screening mechanism is arranged under the second screen and comprises a cylinder screen inclined by 1-5 degrees and an electric component; the cylindrical screen is a semi-cylinder with an opening at the upper end, a semi-cylinder screen is arranged in the semi-cylinder, a gap of 5-12CM is arranged between the semi-cylinder screen and the semi-cylinder, the size of a screen pore of the semi-cylinder screen is smaller than that of a seed particle, and a baffle is arranged at the tail end of the semi-cylinder screen, which is inclined downwards and is vertical to the bottom surface of the semi-cylinder; the guide chute penetrates through the baffle plate and is connected with the upper end of the bottom of the semi-cylindrical screen; the bottom of the lower end of the semi-cylinder body is provided with a sundry outlet.

Description

Agricultural seed sieve separator

Technical Field

The utility model belongs to the agricultural equipment field specifically relates to an agricultural seed sieve separator.

Background

The screening machine is important equipment for agricultural production, can divide crops into multiple grades according to the volume through the screening machine, is convenient for the production and processing of crops, has improved agricultural production's efficiency greatly, promotes the development of agriculture. The crop seeds harvested conventionally can be mixed with impurities in the harvesting and airing processes, so that screening is needed during seed reservation, impurities such as shrivelled bad seeds, straws, dead leaves and broken stones can be removed in the screening process, and the improved seed rate and the germination rate of the reserved seeds are improved. At present, the crop seed screening is usually carried out by adopting a fan, and the screening mode can only remove dead leaves, straws and other impurities in the seeds; in addition, a color selector can be used for screening, the screening effect of the color selector is good, the screened germplasm characters are excellent, but the production, manufacturing and using costs of the color selector are very high, and the color selector is not suitable for small enterprises.

Disclosure of Invention

To the defect among the prior art, the utility model aims at providing an agricultural seed sieve separator. The screening machine is relatively simple in structure and low in production cost, but has a good screening effect on crop seeds, and unqualified seeds and various impurities can be accurately separated.

The technical scheme of the utility model is that: an agricultural seed screening machine comprises a fan impurity removal box and a screening mechanism, wherein the fan impurity removal box is a rectangular box body, a feed inlet is formed in the upper end of the box body, a fixing plate is horizontally arranged below the feed inlet, a first screen is arranged in the middle of the fixing plate, meshes of the first screen are large and used for screening large crop straws and dead leaves, the fixing plate is arranged outside the side wall of the box body, a fan is fixedly arranged on the fixing plate, a fan port is arranged inside the fan impurity removal box and below the fixing plate on the periphery of the first screen, the wind direction of the fan is the horizontal direction, an impurity removal port is arranged on the side wall of the fan impurity removal box at a position opposite to the fan port, the width of the impurity removal port is larger than that of a wind outlet, an inclined downward sliding channel is arranged outside the fan; a second screen is arranged under the first screen, the mesh of the second screen is 1.2-1.5 times of that of the conventional seeds, impurities such as soil blocks, stones and the like in the seeds can be screened out, and a screening mechanism is arranged under the second screen and comprises an obliquely arranged drum screen and an electric component for driving the drum screen to swing left and right through a rotating shaft of the drum screen; the cylindrical sieve is a semi-cylinder with an opening at the upper end, a semi-cylinder screen is arranged in the semi-cylinder, a gap of 5-12CM is arranged between the semi-cylinder screen and the semi-cylinder, the size of a sieve pore of the semi-cylinder screen is smaller than that of a seed particle, and a baffle is arranged at the tail end of the semi-cylinder screen, which is inclined downwards and is vertical to the bottom surface of the semi-cylinder, so as to prevent the seed from overflowing; the guide chute penetrates through the baffle plate and is connected with the upper end of the bottom of the semi-cylindrical screen; the bottom of the lower end of the semi-cylinder body is provided with a sundry outlet, and a collecting barrel is arranged below the sundry outlet; the drum screen inclines downwards for 1-5 degrees to ensure that the materials have enough residence time in the drum screen so as to meet the screening requirement.

The utility model discloses a process of screening as follows: seeds to be screened fall into a fan impurity removal box from a first screen through a feed port, the screen hole of the first screen is large and can screen out large crop straws and dead leaves, the seeds fall at the feed port and are in a waterfall shape, under the action of a fan, the straws, light impurities and dry and flat broken seeds are blown into an impurity removal port and are discharged along a sliding channel, the rest seeds and heavy impurities can fall into a second screen, the screen hole of the second screen is slightly larger than the size of the seeds, the large heavy impurities are screened out, then the screened seeds and the small heavy impurities fall into a drum screen, after the drum screen is moved left and right, the small heavy impurities can fall into the bottom of the drum screen and are discharged from an impurity discharge port, and after the seeds pass through four screening procedures of the first screen, the fan, the second screen and the drum screen, the impurities such as stones, dead leaves, straws, dry and flat broken seeds in the seeds are screened out, the full and healthy seeds are left and discharged from the guide chute.

In the utility model, the wind speed of the fan is adjusted by the control device; through adjusting the wind speed, can make this sieve separator show outstanding screening effect to the impurity homoenergetic of different moisture content seeds and different compositions.

Preferably, the feed inlet is funnel-shaped, and the size of the lower opening is smaller than that of the upper opening; an impurity seed collecting bag is arranged at the sliding channel of the impurity discharging port.

Preferably, the electric component comprises a motor, a large belt wheel rotationally connected with the motor and a small belt wheel connected with the large belt wheel through a belt; the small belt wheel is rotationally connected with the drum screen rotating shaft, and the motor provides power to drive the drum screen to swing.

Preferably, the fixing plate on the periphery of the first screen is fixedly connected with an obliquely arranged baffle plate away from the side of the fan, and the baffle plate is inclined by 45-70 degrees.

Preferably, the trommel is inclined downwardly by 5 ° in the direction of the guide chute.

The utility model provides a pair of agricultural seed sieve separator compares with prior art, has following beneficial effect:

this sieve separator simple structure can sieve out impurity and unqualified seed of various differences, obtains healthy plump seed, and the adaptability of equipment is wide, can also be applied to the screening of different water content seeds to can retrieve the unqualified seed that sieves out.

Drawings

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

FIG. 2 is a sectional view of the impurity removing box of the fan of the present invention;

reference numerals: 1 fan edulcoration case, 2 screening mechanisms, 3 feed inlets, 4 first screen cloth, 5 fixed plates, 6 fans, 7 fan mouths, 8 baffles, 9 rows of miscellaneous mouthful, 10 second screen cloth, 11 motor supports, 12 motors, 13 drum sieve pivots, 14 big band pulleys, 15 belts, 16 little band pulleys, 17 drum sieves, 18 half-cylinder screen cloth, 19 baffles, 20 baffle boxes, 21 collecting vessel, 22 edulcoration case supports, 23 drum sieve supports, 24 fixed plates, 25 landing passageways.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention.

The embodiment of the utility model is that: the utility model provides an agricultural seed sieve separator, includes fan edulcoration case 1, screening mechanism 2, and fan edulcoration case 1 is installed on edulcoration case support 22, and screening mechanism 2 places under fan edulcoration case 1.

The fan impurity removing box 1 is a rectangular box body, a feeding hole 3 is formed in the upper end of the box body, the feeding hole 3 is funnel-shaped, and the size of a lower opening is smaller than that of an upper opening; feed inlet 3 below horizontal installation has a fixed plate 24, and the fixed plate 24 middle part is

first screen cloth

4, 24 left side below fixed connection inclined baffle 8 of fixed plate, 8 slopes 45 degrees of baffle. The meshes of the first screen 4 are 2cm, a fixing plate 5 is arranged outside the right side wall of the fan impurity removing box 1, the fan 6 is fixedly arranged on the fixing plate 5, a fan port 7 is arranged inside the fan impurity removing box 1 and below the right side of the fixing plate 24, the wind direction of the fan 6 is the horizontal direction, a impurity discharging port 9 is arranged at the position, opposite to the fan port 7, on the side wall of the fan impurity removing box 1, the width of the impurity discharging port 9 is larger than that of an air outlet, an inclined downward sliding channel 25 is arranged on the left side outside the fan impurity removing box 1, the sliding channel 25 is connected with the impurity discharging port 9, and an impurity seed collecting bag is arranged outside the sliding; and a second screen mesh 10 is arranged right below the first screen mesh 5, and the mesh size of the second screen mesh is set to be 0.7 CM. A screening mechanism 2 is arranged below the second screen mesh 10, the screening mechanism 2 comprises a cylinder screen 17 which is arranged in an inclined mode and an electric component which drives the cylinder screen 17 to swing left and right through a cylinder screen rotating shaft 13, and the electric component comprises a motor 12, a large belt wheel 14 which is rotationally connected with the motor 12 and a small belt wheel 15 which is connected with the large belt wheel 14 through a belt 18; the small belt wheel 15 is rotationally connected with the drum screen rotating shaft 13, and the motor 12 provides power to drive the drum screen 17 to swing; the motor bracket 11 is fixedly installed on the right side of the impurity removing box bracket 22, and the motor 12 is fixedly installed on the motor bracket 11.

The drum screen 17 is arranged on the drum screen bracket 23, the drum screen 17 is a semi-cylinder with an opening at the upper end, and the right side of the drum screen 17 inclines downwards by 5 degrees. A semi-cylindrical screen 18 is arranged inside the drum sieve 17, a gap of 8CM is arranged between the semi-cylindrical screen 18 and the drum sieve 17, the screen hole of the semi-cylindrical screen 18 is 0.35CM, and a baffle 19 is arranged at the right end of the semi-cylindrical screen 18 and is vertical to the bottom surface of the drum sieve 17 for preventing seeds from overflowing; the material guide groove 20 passes through the baffle 17 and is connected with the upper end of the bottom of the semi-cylindrical screen 18; the bottom of the right side of the drum sieve 17 is provided with a sundries outlet, and a collecting barrel 21 is arranged below the sundries outlet.

It should be noted that the above-mentioned embodiments should be considered illustrative, rather than limiting, the scope of the invention, which is defined by the appended claims. For those skilled in the art, some non-essential improvements and modifications to the present invention will still fall within the scope of the present invention without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides an agricultural seed sieve separator, includes fan edulcoration case, screening mechanism, fan edulcoration case is the rectangle box, and open the box upper end has the feed inlet, the first screen cloth of feed inlet below horizontal installation, and the fan mouth is installed at fan edulcoration incasement portion, fan wind direction is the horizontal direction, and the position relative with the fan mouth on the fan edulcoration case lateral wall is equipped with row miscellaneous mouthful, and fan edulcoration case sets up the decurrent landing passageway that inclines outward, and the landing passageway meets its characterized in that with row miscellaneous mouthful: a second screen is arranged right below the first screen, the mesh of the second screen is 1.2-1.5 times of that of the conventional seeds, and a screening mechanism is arranged below the second screen and comprises an obliquely arranged drum screen and an electric component for driving the drum screen to swing left and right through a drum screen rotating shaft; the drum screen is inclined downwards for 1-5 degrees; the cylindrical screen is a semi-cylinder with an opening at the upper end, a semi-cylinder screen is arranged in the semi-cylinder, a gap of 5-12CM is arranged between the semi-cylinder screen and the semi-cylinder, the size of a screen pore of the semi-cylinder screen is smaller than that of a seed particle, and a baffle is arranged at the tail end of the semi-cylinder screen, which is inclined downwards and is vertical to the bottom surface of the semi-cylinder; the guide chute penetrates through the baffle plate and is connected with the upper end of the bottom of the semi-cylindrical screen; the bottom of the lower end of the semi-cylinder body is provided with a sundries outlet, and a collecting barrel is arranged below the sundries outlet.

2. The agricultural seed screening machine of claim 1, wherein: the feed inlet is funnel-shaped, and the size of the lower opening is smaller than that of the upper opening; an impurity seed collecting bag is arranged at the sliding channel.

3. The agricultural seed screening machine of claim 1, wherein: the fixed plate on the periphery of the first screen is far away from one side of the fan and is fixedly connected with an inclined baffle, and the inclined baffle is inclined by 45-70 degrees.

4. The agricultural seed screening machine of claim 1, wherein: the drum screen is inclined downwards 5 degrees towards the guide groove.