CN111632841A

CN111632841A - Screening device for agricultural planting seeds

Info

Publication number: CN111632841A
Application number: CN202010498745.0A
Authority: CN
Inventors: 不公告发明人
Original assignee: Qian Xuesen
Current assignee: Qian Xuesen
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2020-09-08

Abstract

The invention discloses a screening device for agricultural planting seeds, and belongs to the technical field of agricultural tools. A screening device for agricultural planting seeds comprises an installation box, a vibrator and an air blower, wherein the top of the installation box is connected with a feed inlet, the installation box is internally provided with a winnowing cavity, a first filtering cavity and a second filtering cavity, the bottom of the winnowing cavity is fixedly connected with a blanking pipe, the vibrator is connected with a first screen and a second screen, the blanking pipe extends to the first screen and the second screen, the bottom of the first screen is connected with a placing box, the placing box is internally provided with balls, the installation box is connected with a discharge outlet, the installation box is internally connected with a discharging pipe, the first filtering cavity and the second filtering cavity are respectively and rotatably connected with a first rotating shaft and a second rotating shaft, the first rotating shaft and the second rotating shaft are both connected with worm wheel sheets, and the installation box is connected with a; the invention not only can sort the mixed seeds, but also can effectively solve the defects of slow screening and poor effect caused by the blockage of the sieve pores in the traditional screening process.

Description

Screening device for agricultural planting seeds

Technical Field

The invention relates to the technical field of agricultural tools, in particular to a screening device for agricultural planting seeds.

Background

The seed screening is an important premise for good selection and good breeding and improvement of sowing survival rate, the seed selection mode is various, and comprises air separation, vibration screening and water selection, but when the seeds are harvested, crop seeds are easily mixed with weed seeds or leaves in a field, the traditional screening methods such as air separation and water selection are difficult to effectively separate mixed seeds, or the separation effect is poor, and multiple screening is needed, so a large amount of manpower and material resources are wasted, while when the vibration screening uses a screen, the meshes of the screen are easily blocked, so that the screening speed and the screening quality are influenced, and the phenomenon that sundries are not completely separated is also caused; therefore, there is a need for an agricultural seed screening apparatus that efficiently screens and separates seeds for agricultural planting.

Disclosure of Invention

The invention aims to solve the defects that in the prior art, repeated screening is complicated and screen holes are easy to block, and provides an agricultural planting seed screening device.

In order to achieve the purpose, the invention adopts the following technical scheme:

an agricultural planting seed screening device comprises an installation box, a vibrator and an air blower, wherein the top of the installation box is connected with a feed inlet, a winnowing cavity, a first filter cavity and a second filter cavity are arranged in the installation box and are mutually communicated, the feed inlet is communicated with the winnowing cavity, the bottom of the winnowing cavity is fixedly connected with three groups of blanking pipes, the number of the blanking pipes is specifically three, the vibrator is connected with the side wall of the installation box, the vibrator is connected with a first screen and a second screen, the number of the first screen is specifically two, the three groups of the blanking pipes respectively extend to the first screen and the second screen, through holes are uniformly distributed on the first screen, the bottom of the first screen is fixedly connected with a placing box, balls are arranged in the placing box, and the side wall of the installation box is fixedly connected with a discharge hole corresponding to the first screen, the inner wall of the installation box is fixedly connected with a discharge pipe corresponding to the second screen, and the discharge pipe extends to the bottom of the installation box; the utility model discloses a material filter, including the installation case, the bottom of arranging the material pipe, the bottom of air-blower fixed connection at the installation case, the output of air-blower is connected with the guide duct, the guide duct is connected in the bottom of arranging the material pipe, the top fixedly connected with induced duct of arranging the material pipe, the induced duct communicates with each other with first filter chamber, first filter chamber and second filter chamber rotate respectively in and are connected with first pivot and second pivot, equal screwed connection has the worm wheel piece in first pivot and the second pivot, the lateral wall fixedly connected with of installation case is used for driving the drive division of first pivot and second pivot.

Preferably, the drive part includes the motor, the lateral wall fixedly connected with mount table of install bin, motor fixed connection is on the mount table, the output of motor is connected with first band pulley, the one end fixedly connected with second band pulley of first pivot and second pivot, first band pulley passes through the belt rotation with the second band pulley and is connected.

Preferably, the side wall of the installation box is fixedly connected with a trash discharging pipe corresponding to the worm gear, and the trash discharging pipe is connected with a damping net.

Preferably, two sets of first screen cloth sets gradually in the install bin from top to bottom, and is two sets of first screen cloth all sets up the top at the second screen cloth.

Preferably, the diameters of the three groups of the blanking pipes are sequentially increased from left to right.

Preferably, the side wall of the installation box is rotatably connected with an access door.

Preferably, the side wall of the installation box is fixedly connected with an air outlet pipe communicated with the second filtering cavity.

Preferably, an exhaust pipe is arranged in the first filter cavity and communicated with the exhaust pipe, and a damping plate is rotationally connected in the exhaust pipe

Preferably, the articulated seat of outer wall fixedly connected with of outlet duct, it is connected with splint to rotate on the articulated seat, the one end fixedly connected with rubber clamp splice of splint, the other end fixedly connected with spring of splint, the one end that splint were kept away from to the spring offsets with the outer wall of outlet duct.

Preferably, the number of the clamping plates is four, and the four clamping plates are uniformly distributed on the outer wall of the air outlet pipe in a circumferential mode.

Compared with the prior art, the invention provides an agricultural planting seed screening device, which has the following beneficial effects:

1. the agricultural planting seed screening device comprises an air blower and a motor, wherein the air blower sends air upwards from a discharge pipe through an air guide pipe, in the air supply process, the air blower can perform secondary blowing on seeds filtered by a second screen mesh to enable the seeds to be shriveled and separated from blades, and the shriveled and separated into a first filter cavity, a convex plate between the first filter cavity and a winnowing cavity can directly blow sundries sent by the discharge pipe to the bottom of the first filter cavity, at the moment, the motor drives a first rotating shaft and a second rotating shaft to rotate through a belt, the first rotating shaft discharges the sundries through a trash discharge pipe through a worm wheel sheet, and here, a damping net in the trash discharge pipe can prevent gas from being directly discharged to influence the pressure flowing into the winnowing cavity, and when the air pressure in the first filter cavity is too high, the rotating damping plate can swing back and forth to prevent excessive discharge of the gas, can carry out preliminary selection by the seed of the size difference that the feed inlet fell down in the selection by winnowing intracavity, sweep doped blade and earth to the second filter intracavity, it sees off to rotate epaxial worm wheel piece through the second, the seed after the selection by winnowing falls in the unloading pipe of different diameters according to the size, send to first screen cloth on, the vibrator starts to carry out vibration screening to the seed, big-end-up in the through-hole on two sets of first screen cloths, when can making big or small seed separate, through the categorised discharge of two sets of discharge gates, in the screening process, place the ball of incasement and beat constantly and strike the through-hole of top from top to bottom, prevent that the through-hole from being blocked the jam by the seed, discharge on the second screen cloth is fallen to minimum.

2. This farming seed sieving mechanism through with cover such as ventilative sack on the outlet duct, specific do, press the one end that splint were equipped with the spring, make the perk of the other end, loosen the sack after sheatheeing in, under the elastic force effect, splint reset, and the rubber clamp splice compresses tightly the sack, prevents to drop, is annular splint when can effectively fix the sack, guarantees the gas permeability of export, prevents that the second filter chamber internal gas pressure sudden change from blowing off the sack.

Drawings

FIG. 1 is a front view of an agricultural seed screening apparatus according to the present invention;

FIG. 2 is a left side view of an agricultural seed screening apparatus according to the present invention;

FIG. 3 is a schematic view of the structure of part A in FIG. 2 of an agricultural seed screening apparatus according to the present invention;

FIG. 4 is a schematic structural diagram of a first screen of the screening device for agricultural seeds according to the present invention.

In the figure: 1. installing a box; 101. an installation table; 102. a feed inlet; 1021. an air separation cavity; 1022. a second filter chamber; 1023. a first filter chamber; 103. an air outlet pipe; 1031. an exhaust pipe; 1032. a damping plate; 104. a trash removal pipe; 1041. a damping net; 105. a discharge port; 106. a discharge pipe; 1061. an induced draft pipe; 107. an access door; 2. a motor; 201. a first pulley; 202. a second rotating shaft; 2021. a worm wheel blade; 2022. a second pulley; 203. a first rotating shaft; 204. a belt; 3. a vibrator; 301. a first screen; 3011. a through hole; 302. a second screen; 303. a discharging pipe; 304. placing a box; 3041. a ball bearing; 4. a blower; 401. an air guide pipe; 5. a splint; 501. a hinged seat; 502. a spring; 503. a rubber clamping block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1:

referring to fig. 1, 2 and 4, an agricultural planting seed screening device comprises a mounting box 1, a vibrator 3 and an air blower 4, wherein the top of the mounting box 1 is connected with a feed inlet 102, the mounting box 1 is internally provided with an air separation cavity 1021, a first filter cavity 1023 and a second filter cavity 1022, the air separation cavity 1021, the first filter cavity 1023 and the second filter cavity 1022 are communicated with each other, the feed inlet 102 is communicated with the air separation cavity 1021, the bottom of the air separation cavity 1021 is fixedly connected with three blanking pipes 303, the number of the blanking pipes 303 is specifically three, the vibrator 3 is connected with the side wall of the mounting box 1, the vibrator 3 is connected with a first screen 301 and a second screen 302, the number of the first screen 301 is specifically two, the three blanking pipes 303 respectively extend to the first screen 301 and the second screen 302, through holes 3011 are uniformly distributed on the first screen 301, the bottom of the first screen 301 is fixedly connected with a placing box 304, and balls 3041 are arranged in, the side wall of the installation box 1 is fixedly connected with a discharge hole 105 corresponding to the first screen 301, the inner wall of the installation box 1 is fixedly connected with a discharge pipe 106 corresponding to the second screen 302, and the discharge pipe 106 extends to the bottom of the installation box 1; the blower 4 is fixedly connected to the inner wall of the bottom of the installation box 1, the output end of the blower 4 is connected with an air guide pipe 401, the air guide pipe 401 is connected to the bottom of the discharge pipe 106, the top of the discharge pipe 106 is fixedly connected with an air guide pipe 1061, the air guide pipe 1061 is communicated with a first filter cavity 1023, the first filter cavity 1023 and a second filter cavity 1022 are respectively and rotatably connected with a first rotating shaft 203 and a second rotating shaft 202, the first rotating shaft 203 and the second rotating shaft 202 are both spirally connected with a worm wheel 2021, the side wall of the installation box 1 is fixedly connected with a driving part for driving the first rotating shaft 203 and the second rotating shaft 202, the driving part comprises a motor 2, the side wall of the installation box 1 is fixedly connected with an installation table 101, the motor 2 is fixedly connected to the installation table 101, the output end of the motor 2 is connected with a first belt pulley 201, one end of the first rotating shaft 203 and one end of the second rotating shaft 202 are fixedly connected with a second belt, the side wall of the installation box 1 is fixedly connected with an impurity discharging pipe 104 corresponding to the worm wheel sheet 2021, and the impurity discharging pipe 104 is connected with a damping net 1041; the two groups of first screens 301 are sequentially arranged in the installation box 1 from top to bottom, the two groups of first screens 301 are arranged above the second screen 302, the diameters of the three groups of discharging pipes 303 are sequentially increased from left to right, and the side wall of the installation box 1 is rotatably connected with the access door 107; starting the blower 4 and the motor 2, the blower 4 sends the wind from the discharging pipe 106 by the wind guiding pipe 401, in the wind sending process, the seeds filtered by the second screen 302 are blown for the second time, the shriveled shell, the blade and the like are separated from the seeds, and the shriveled shell, the blade and the like are sent to the first filter chamber 1023, the convex plate between the first filter chamber 1023 and the winnowing chamber 1021 can directly drop the sundries sent by the discharging pipe 106 at the bottom of the first filter chamber 1023, at this time, the motor 2 drives the first rotating shaft 203 and the second rotating shaft 202 to rotate by the belt 204, the sundries are discharged by the first rotating shaft 203 through the impurity discharging pipe 104 by the worm wheel 2021, here, the damping net 1041 in the impurity discharging pipe 104 can prevent the gas from directly discharging, the pressure flowing into the winnowing chamber 1021 is influenced, and when the air pressure in the first filter chamber 1023 is too large, the rotating damping plate 1032 can swing to prevent the excessive gas from discharging, seeds with different sizes falling from a feeding hole 102 can be subjected to primary air separation in an air separation cavity 1021, doped blades and soil are swept to a second filter cavity 1022, the seeds are sent out through a worm wheel 2021 on a second rotating shaft 202, the seeds subjected to air separation fall into blanking pipes 303 with different diameters according to sizes, the seeds are sent to a first screen 301, a vibrator 3 is started to vibrate and screen the seeds, through holes 3011 in two sets of first screen 301 are large and small, the seeds can be separated, and meanwhile, the seeds are discharged in a classified mode through two sets of discharge holes 105, in the screening process, balls 3041 in a placing box 304 jump up and down to continuously impact through holes 3011 above the seeds, the through holes 3011 are prevented from being blocked by the seeds, and the smallest seeds fall onto the second screen 302 to be discharged.

Example 2:

referring to fig. 3, basically the same as embodiment 1, further, the side wall of the installation box 1 is fixedly connected with an air outlet pipe 103 communicated with the second filter chamber 1022, an exhaust pipe 1031 is arranged in the first filter chamber 1023, the exhaust pipe 1031 is communicated with the air outlet pipe 103, a damping plate 1032 is rotatably connected in the exhaust pipe 1031, the outer wall of the air outlet pipe 103 is fixedly connected with a hinged seat 501, a clamping plate 5 is rotatably connected on the hinged seat 501, one end of the clamping plate 5 is fixedly connected with a rubber clamping block 503, the other end of the clamping plate 5 is fixedly connected with a spring 502, one end of the spring 502 far away from the clamping plate 5 abuts against the outer wall of the air outlet pipe 103, the number of the clamping plate 5 is specifically four, and the; the air-permeable cloth bag is sleeved on the air outlet pipe 103, specifically, one end of the clamping plate 5, which is provided with the spring 502, is pressed down, the other end of the clamping plate is tilted, the cloth bag is sleeved and loosened, the clamping plate 5 resets under the action of elastic force, the cloth bag is compressed by the rubber clamping block 503 to prevent falling off, the air permeability of an outlet is ensured while the cloth bag can be effectively fixed by the annular clamping plate 5, and the cloth bag is prevented from being blown off by sudden change of air pressure in the second filter cavity 1022.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The agricultural planting seed screening device comprises an installation box (1), a vibrator (3) and an air blower (4), and is characterized in that a feed inlet (102) is connected to the top of the installation box (1), a winnowing cavity (1021), a first filter cavity (1023) and a second filter cavity (1022) are arranged in the installation box (1), the winnowing cavity (1021), the first filter cavity (1023) and the second filter cavity (1022) are communicated with each other, the feed inlet (102) is communicated with the winnowing cavity (1021), a blanking pipe (303) is fixedly connected to the bottom of the winnowing cavity (1021), the number of the blanking pipes (303) is specifically three groups, the vibrator (3) is connected to the side wall of the installation box (1), the vibrator (3) is connected with a first screen (301) and a second screen (302), the number of the first screen (301) is specifically two groups, the three groups of blanking pipes (303) extend to a first screen (301) and a second screen (302) respectively, through holes (3011) are uniformly distributed on the first screen (301), the bottom of the first screen (301) is fixedly connected with a placing box (304), balls (3041) are arranged in the placing box (304), the side wall of the mounting box (1) is fixedly connected with a discharging hole (105) corresponding to the first screen (301), the inner wall of the mounting box (1) is fixedly connected with a discharging pipe (106) corresponding to the second screen (302), and the discharging pipe (106) extends to the bottom of the mounting box (1);

blower (4) fixed connection is at the bottom inner wall of install bin (1), the output of blower (4) is connected with guide duct (401), the bottom at row material pipe (106) is connected in guide duct (401), the top fixedly connected with induced duct (1061) of arranging material pipe (106), induced duct (1061) communicates with each other with first filter chamber (1023), rotate respectively in first filter chamber (1023) and second filter chamber (1022) and be connected with first pivot (203) and second pivot (202), equal spiral connection has worm wheel piece (2021) on first pivot (203) and second pivot (202), the lateral wall fixedly connected with of install bin (1) is used for driving the drive division of first pivot (203) and second pivot (202).

2. The agricultural planting seed screening device of claim 1, wherein the driving portion comprises a motor (2), a mounting table (101) is fixedly connected to a side wall of the mounting box (1), the motor (2) is fixedly connected to the mounting table (101), a first belt wheel (201) is connected to an output end of the motor (2), a second belt wheel (2022) is fixedly connected to one end of each of the first rotating shaft (203) and the second rotating shaft (202), and the first belt wheel (201) and the second belt wheel (2022) are rotatably connected through a belt (204).

3. The screening apparatus for agricultural planting seeds of claim 1, wherein the side wall of the installation box (1) is fixedly connected with a trash removal pipe (104) corresponding to the worm wheel blade (2021), and the trash removal pipe (104) is connected with a damping net (1041).

4. An agricultural planting seed screening apparatus according to claim 1, wherein two sets of the first screen cloth (301) are arranged in the installation box (1) from top to bottom, and two sets of the first screen cloth (301) are arranged above the second screen cloth (302).

5. The screening apparatus for agricultural plantation seeds as claimed in claim 4, wherein the diameters of the three sets of blanking pipes (303) increase from left to right.

6. An agricultural seed screening apparatus according to claim 1, wherein the side wall of the installation box (1) is pivotally connected to an access door (107).

7. An agricultural seed screening apparatus according to claim 1, wherein the side wall of the mounting box (1) is fixedly connected with an air outlet pipe (103) which is communicated with the second filter chamber (1022).

8. The screening device for agricultural planting seeds of claim 7, wherein an exhaust pipe (1031) is arranged in the first filter chamber (1023), the exhaust pipe (1031) is communicated with the air outlet pipe (103), and a damping plate (1032) is rotatably connected in the exhaust pipe (1031).

9. The screening device for agricultural planting seeds of claim 8, wherein the outer wall of the air outlet pipe (103) is fixedly connected with a hinged seat (501), the hinged seat (501) is rotatably connected with a clamping plate (5), one end of the clamping plate (5) is fixedly connected with a rubber clamping block (503), the other end of the clamping plate (5) is fixedly connected with a spring (502), and one end, away from the clamping plate (5), of the spring (502) is abutted to the outer wall of the air outlet pipe (103).

10. The screening apparatus for agricultural planting seeds of claim 9, wherein the number of the clamping plates (5) is four, and the four clamping plates (5) are uniformly distributed on the outer wall of the air outlet pipe (103) in a circumference way.