CN110553493B

CN110553493B - Multistage screening drying equipment of plant seed

Info

Publication number: CN110553493B
Application number: CN201910751586.8A
Authority: CN
Inventors: 李文胜
Original assignee: Taihu Muzifeng Agricultural Development Co ltd
Current assignee: Taihu Muzifeng Agricultural Development Co ltd
Priority date: 2019-08-15
Filing date: 2019-08-15
Publication date: 2020-07-17
Anticipated expiration: 2039-08-15
Also published as: CN110553493A

Abstract

A plant seed multistage screening and drying device comprises a base, wherein two support columns are mounted at the top of the base, a drying device is mounted at the tops of the support columns and comprises a first baffle plate and a discharge port, the bottom of the right end of a communicating pipe is connected with the discharge port, vent holes are symmetrically formed in the left side wall of the drying device from top to bottom, a feed port is formed in the top of the drying device, a guide pipe is arranged at the bottom end of the feed port, a screening device is mounted at the right end of the top of the base and comprises a primary screening layer, and a primary screening layer, a fine screening layer, a material collecting bin and a fixed block; the invention provides multistage screening and drying equipment for plant seeds, which can effectively solve the problems of uneven seed drying caused by incomplete drying mode and complicated procedures and time consumption of manual seed screening in the prior art.

Description

Multistage screening drying equipment of plant seed

Technical Field

The invention relates to the technical field of production equipment, in particular to multistage screening and drying equipment for plant seeds.

Background

For agricultural and forestry plants, seeds with high moisture content have high breathing strength, emit heat and moisture, are easy to mildew, generate alcohol through anaerobic respiration to poison the seeds, germinate when the moisture content of the seeds is more than 40-60%, and have high moisture content, so that the seeds are beneficial to the active propagation of insects and are harmful to the seeds; therefore, after the seeds are harvested, the seeds must be dried in time, and the moisture of the seeds is reduced to the moisture stored safely so as to keep the vigorous vitality and vitality of the seeds, so that the seeds must be dried before being put in storage to ensure that the moisture content of the seeds reaches the standard specified by safe storage, and meanwhile, the seeds are screened and stored separately according to the different sizes and states of the seeds.

But the drying method of the seeds includes natural drying and equipment drying. Natural drying, it is that the method that utilizes sunlight to insolate, ventilate, stand and dry in the air etc. to reduce seed water content not only is very loaded down with trivial details, and the process is consuming time, and the uneven seed that easily leads to of drying simultaneously is unqualified, and the screening process is also very not simple moreover, also is artifical the sorting under the condition of manpower usually, and work efficiency is comparatively low like this, and consuming time and wasting force is unfavorable for in time handling the storage, needs a convenient and fast's device to filter it and dries.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects in the prior art, the invention provides the multistage screening and drying equipment for the plant seeds, which can effectively overcome the problems of uneven seed drying caused by incomplete drying mode and complicated procedures and time consumption of manual seed screening in the prior art.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a multi-stage screening and drying device for plant seeds comprises a base, wherein two supporting columns are installed at the top of the base, a drying device is installed at the top of each supporting column, each drying device comprises a first baffle plate and a discharge hole, the left side wall and the right side wall in each drying device are respectively provided with the first baffle plate, the middle part of an inner cavity of each drying device is provided with two groups of transmission devices, the first baffle plate at the left side is positioned above the transmission device at the lower part, the first baffle plate at the right side is positioned above the transmission device at the upper part, the front part and the rear part of each group of transmission devices are movably connected with the inner wall of each drying device, the outer wall of each drying device is provided with a motor, the left end of each group of transmission devices is connected with an output shaft of the motor, the right side wall in each drying device is provided with an, the bottom end of the flow dividing pipe is provided with a communicating pipe, the bottom of the right end of the communicating pipe is connected with a discharge port, vent holes are symmetrically arranged on the upper and lower sides of the left side wall in the drying device, a feed inlet is arranged at the top of the drying device, a guide pipe is arranged at the bottom end of the feed inlet and is positioned above a transmission device, a screening device is arranged at the right end of the top of the base and comprises a primary screening layer, the primary screening layer, a fine screening layer, a material collecting bin and a fixed block are sequentially arranged on the left side wall in the screening device from top to bottom, a primary screening plate is arranged at the bottom end of the primary screening layer, a telescopic motor is arranged at the top of the fixed block, a movable block is connected at the right end of the telescopic motor, the top of the moving block is provided with a fixed rod, the fixed rod is provided with two groups of push rods, the upper ends of the push rods are movably connected with the bottom end of the primary screening layer, the lower ends of the push rods are movably connected with the bottom end of the fine screening layer, the left side wall in the screening device is provided with a stop block, the stop block is arranged between the primary screening layer and the fine screening layer, the right side wall of the screening device is sequentially provided with a pulling plate, a swinging plate, a supporting plate and a material guide bin from top to bottom, the left end of the pulling plate is connected with the primary screening plate, the right end of the pulling plate penetrates through the screening device and extends to the outside, the left end of the swinging plate is provided with a material blocking block, the material blocking block is contacted with the bottom end of the right side of the fine screening layer, a fulcrum rod is arranged between the swinging plate and the supporting plate, the top of the fulcrum rod is, screening device top right-hand member is provided with the fan, the heating cabinet is installed in the fan left side, the heating cabinet left end is provided with the breather pipe, the breather pipe left end runs through drying device and extends to inside, the breather pipe left end divide into vertical pipe and horizontal pipe, every group the transmission top all is provided with the horizontal pipe, the horizontal pipe corresponds with the below shunt tubes, drying device bottom discharge gate is provided with passes the material pipe, it is provided with branch material pipe to pass the material pipe bottom, it is provided with the second flange to divide the material pipe lower extreme, drying device passes through to pass the material union coupling with the screening device, screening device left side outer wall is provided with left discharge gate, left side discharge gate is connected with the storehouse left end that gathers materials, screening device right side outer wall is provided with right discharge gate, right side discharge gate is connected with guide storehouse right.

Preferably, the bottom of the inner cavity of the converging box is sequentially provided with falling ports with diameters from small to large from right to left, and the falling ports correspond to the shunt tubes one by one.

Preferably, the shunt pipe and the horizontal pipe are both provided with air holes.

Preferably, all be provided with the activity groove in the middle of primary screening layer, meticulous screening layer, aggregate storehouse and the primary screening board, dead lever and activity groove swing joint.

Preferably, each group of transmission devices comprises two rollers and a conveyor belt, the two rollers are movably connected with the inner wall of the drying device, the conveyor belt is movably arranged between the two rollers, the motor output shaft penetrates through the outer wall of the drying device and extends to the inside, and the rollers at the left end are movably connected with the motor output shaft.

Preferably, a gap is reserved between the primary screening layer and the stop block, the left end of the primary screening plate is movably inserted in the gap, a slot is formed in the right end of the primary screening layer, an insertion block is arranged at the left end of the drawing plate, and the insertion block is inserted in the slot.

(III) advantageous effects

1. According to the seed drying device, seeds can be dried by hot air emitted by the air holes in the horizontal pipe through two layers of mechanical transmission, due to the movement of the seeds and the primary drying effect of the seeds by multi-aspect hot air flow, the seed drying device is simple and convenient, meanwhile, the baffle plate can prevent the seeds from being scattered in the transmission process, the seeds can flow to the transmission device along the guide pipe when being added due to the arrangement of the guide pipe, and sputtering caused by overhigh position is avoided;

2. the falling openings arranged on the bottom diameter in the converging box are connected with the flow dividing pipes in a one-to-one correspondence mode, so that the converged seeds gradually fall into the flow dividing pipes, the seeds are not left in the converging box, the flow dividing effect is achieved, the flow dividing pipes are arranged to finely divide and separate the numerous seeds and are combined with air holes in the flow dividing pipes, external hot air is blown, the contact area of seed drying is increased, secondary drying is achieved, and the phenomenon that the seeds are incompletely dried in a primary drying mode is avoided;

3. according to the invention, the arrangement of the material distributing pipe and the second material baffle plate corresponds to the arrangement of the primary screening layer one by one, so that the seeds are dried and then directly enter the screening device for screening, the arrangement of the primary screening layer and the fine screening layer enables the seeds to be screened for many times, so that the screening is more fine, meanwhile, the push rod is arranged in the screening layer, so that the seeds can be pushed to stir and turn back to sit, and the influence of insufficient screening caused by the accumulation of the seeds is avoided.

4. According to the invention, the arrangement of the material collecting bin can ensure that the smallest seeds can be directly discharged through the left discharge hole, and the arrangement and interaction of the primary screening plate, the pull rod, the swinging plate and the material blocking block ensure that the seeds can be respectively discharged from the material guiding bin through the right discharge hole after being screened in multiple layers, so that the problem that the seeds of various sizes are discharged again in a disordered way after being screened is avoided.

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 described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

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

FIG. 2 is a view showing the structure of the drying apparatus according to the present invention;

FIG. 3 is a view showing the construction of a screening apparatus according to the present invention;

FIG. 4 is a diagram of the primary screening layer of the present invention;

FIG. 5 is a diagram of a fine screening layer according to the present invention;

FIG. 6 is a top plan view of a junction box of the present invention;

FIG. 7 is a view of a fixing rod according to the present invention;

in the figure:

1. a base; 2. a support pillar; 3. a drying device; 301. a first striker plate; 302. a transmission device; 303. an inclined plate; 304. a convergence box; 305. a shunt tube; 306. A communicating pipe; 307. a vent; 308. a drop opening; 4. a feed inlet; 41. a conduit; 5. a screening device; 501. a primary screening layer; 5001. a primary screening plate; 5002. a slot; 502. a fine screening layer; 503. a material collecting bin; 504. a fixed block; 505. a telescopic motor; 506. a moving block; 507. a support bar; 508. a horizontal slide; 509. fixing the rod; 510. a push rod; 511. a stopper; 512. a drawing plate; 513. a swing plate; 514. a support plate; 515. a material guiding bin; 516. a material blocking block; 517. a fulcrum lever; 6. a fan; 7. A heating box; 8. a breather pipe; 81. a vertical tube; 82. a horizontal tube; 9. a material conveying pipe; 91. Distributing pipes; 92. a second retainer plate; 10. a left discharge port; 11. and a right discharge hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, a multistage screening and drying device for plant seeds comprises a base 1, two support columns 2 are installed on the top of the base 1, a drying device 3 is installed on the top of each support column 2, each drying device 3 comprises a first material baffle 301 and a discharge hole, a first material baffle 301 is arranged on each of the left and right side walls in each drying device 3, two sets of transmission devices 302 are arranged in the middle of the inner cavity of each drying device 3, the first material baffle 301 on the left side is positioned above the transmission device 302 on the lower side, the first material baffle 301 on the right side is positioned above the transmission device 302 on the upper side, each set of transmission devices 302 are movably connected with the inner wall of each drying device 3 in a front-back mode, a motor is arranged on the outer wall of each drying device 3, the left end of each set of transmission devices 302 is connected with an output shaft of the motor, an inclined plate 303 is arranged on the inner right, the bottom end of the shunt pipe 305 is provided with a communicating pipe 306, the bottom of the right end of the communicating pipe 306 is connected with a discharge port, vent holes 307 are symmetrically arranged on the upper and lower sides of the left side wall in the drying device 3, the top of the drying device 3 is provided with a feed inlet 4, the bottom end of the feed inlet 4 is provided with a conduit 41, the conduit 41 is positioned above the transmission device 302, the right end of the top of the base 1 is provided with a screening device 5, the screening device 5 comprises a primary screening layer 501, the left side wall in the screening device 5 is sequentially provided with the primary screening layer 501, a fine screening layer 502, a collecting bin 503 and a fixed block 504 from top to bottom, the bottom end of the primary screening layer 501 is provided with a primary screening plate 5001, the top of the fixed block 504 is provided with a telescopic motor 505, the right end of the, the top of the moving block 506 is provided with a fixed rod 509, two groups of push rods 510 are arranged on the fixed rod 509, the push rod 510 at the upper end is movably connected with the bottom end of a primary screening layer 5001, the push rod 510 at the lower end is movably connected with the bottom end of a fine screening layer 502, the left side wall in the screening device 5 is provided with a stop block 511, the stop block 511 is arranged between the primary screening layer 501 and the fine screening layer 502, the right side wall of the screening device 5 is sequentially provided with a drawing plate 512, a swinging plate 513, a supporting plate 514 and a material guiding bin 515 from top to bottom, the left end of the drawing plate 512 is connected with the primary screening layer 5001, the right end of the drawing plate 512 extends to the outside through the screening device 5, the left end of the swinging plate 513 is provided with a material blocking block 516, the material blocking block 516 is contacted with the bottom end of the fine screening layer 502, a fulcrum lever 517 is arranged between, the left end of the material guiding bin 515 is connected with the right end of the fine screening layer 502, the right end of the top of the screening device 5 is provided with a fan 6, the left side of the fan 6 is provided with a heating box 7, the left end of the heating box 7 is provided with a vent pipe 8, the left end of the vent pipe 8 penetrates through the drying device 3 and extends to the inside, the left end of the vent pipe 8 is divided into a vertical pipe 81 and a horizontal pipe 82, the horizontal pipe 82 is arranged above each group of transmission devices 302, the horizontal pipe 82 corresponds to the flow dividing pipe 305 below, a material conveying pipe 9 is arranged at a discharge port at the bottom end of the drying device 3, a material dividing pipe 91 is arranged at the bottom end of the material conveying pipe 9, a second material baffle 92 is arranged at the lower end of the material dividing pipe 91, the drying device 3 is connected with the screening device 5 through the material conveying pipe 9, a left discharge port 10 is arranged on the outer wall of the left side of the screening device 5, the left discharge port 10 is connected with the left end of the material collecting bin 503, a right discharge port 11 is arranged on the outer wall of the right side of the screening device 5;

the bottom of the inner cavity of the converging box 304 is provided with falling ports 308 with the diameters from small to large in sequence from right to left, the falling ports 308 correspond to the shunt tubes 305 one by one, air holes are arranged on the shunt tubes 305 and the horizontal pipe 82, movable grooves are arranged among the primary screening layer 501, the fine screening layer 502, the material collecting bin 503 and the primary screening plate 5001, a fixed rod 509 is movably connected with the movable grooves, each group of transmission devices 302 comprises two rollers and a conveyor belt, the two rollers are movably connected with the inner wall of the drying device 3, the conveyor belt is movably arranged between the two rollers, a motor output shaft penetrates through the outer wall of the drying device 3 and extends into the interior, the roller at the left end is movably connected with the motor output shaft, a gap is reserved between the primary screening layer 501 and a stop block 511, the left end of the primary screening plate 5001 is movably inserted in the gap, the right end of the primary screening layer 501 is provided with, the plug is inserted into the slot 5002.

When the invention is used, firstly the equipment is electrified to open the fan 6, the air is heated by the heating box 7 and is conveyed into the drying device 3 through the vent pipe 8, the preheated seeds are conveyed into the drying device 3 through the feed inlet 4, the seeds reach the transmission device 302 through the guide pipe 41 and the baffle plate 301, then the hot air sprayed out through the air holes on the horizontal pipe 82 is subjected to primary drying action, then the hot air is guided into the converging box 304 through the inclined plate 303 and enters the diversion pipe 305 through the falling port 308 at the bottom, the hot air blown out from the lower horizontal pipe 82 is subjected to secondary drying action through the air holes on the diversion pipe 305 and then enters the communication pipe 306, the air exchange action is carried out through the two air vents on the left side wall of the drying device 3, at the moment, the seeds enter the screening device 5 through the material conveying pipe 9, enter the primary screening layer 501 through the diversion pipe 91 and the second baffle plate 92 in a proper force manner to be subjected to primary screening, and then fall into the Carry out the fine screening in the election layer 502, the minimum seed falls into corresponding collection feed bin 503 at last and discharges through left discharge gate 10, mention striker block 516 through backup pad 514 with swinging plate 513 simultaneously, the secondary size seed that is located in fine screening layer 502 flows into guide feed bin 515 and discharges through right discharge gate 11, at last when having exhausted back through pull board 512 with elementary screening board 5001 take out and make the biggest seed that is located in elementary screening layer 501 fall into fine screening layer 502 in through guide feed bin 515 by right discharge gate 11 discharge, realize many times screening discharge like this and avoid mixing, flexible motor 505 work promotes push rod 510 on the dead lever 509 to make a round trip to promote the seat of stirring the seed that is located the sieving mechanism during this period, avoid the seed to pile up and produce the not enough influence of screening like this.

In addition, the fan and the electric telescopic device used in the technical scheme of the application belong to the existing mature technology, the fan and the electric telescopic device can be adopted as long as the fan and the electric telescopic device can be used in life embodiments, the range material taking property is wide, meanwhile, an electric heater in the drying device belongs to the existing mature practical materials in life, the power meets the requirement of the conventional temperature, meanwhile, the electric elements related to the fan are electrically connected with an external power supply through electric wires, the internal structure and the pin functions of the electric elements can be referred to in a factory specification, and the related circuit structure is common knowledge of technicians in the field.

Compared with the prior art, the multistage screening and drying equipment for the plant seeds provided by the invention can effectively dry the seeds, can effectively screen the seeds in a multistage manner, is simple to operate, saves time and labor, and solves the problems of uneven seed drying caused by incomplete drying mode and complicated procedures and time consumption of manual seed screening in the prior art.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.

Claims

1. The utility model provides a multistage screening drying equipment of plant seed, includes base (1), its characterized in that: two supporting columns (2) are installed at the top of the base (1), a drying device (3) is installed at the top of each supporting column (2), each drying device (3) comprises a first baffle plate (301) and a discharge hole, the left side wall and the right side wall in each drying device (3) are respectively provided with one first baffle plate (301), the middle of the inner cavity of each drying device (3) is provided with two groups of transmission devices (302), the left side of each first baffle plate (301) is positioned above the transmission device (302) below, the right side of each first baffle plate (301) is positioned above the transmission device (302) above, each group of transmission devices (302) is movably connected with the inner wall of each drying device (3) from front to back, the outer wall of each drying device (3) is provided with a motor, the left end of each group of each transmission device (302) is connected with a motor output shaft, the right side wall in each drying device (3), the left end of the inclined plate (303) is connected with a convergence box (304), the bottom of the convergence box (304) is sequentially provided with five shunt tubes (305) from left to right, the bottom of the shunt tubes (305) is provided with a communicating pipe (306), the bottom of the right end of the communicating pipe (306) is connected with a discharge hole, the left side wall of the drying device (3) is provided with vent holes (307) in an up-and-down symmetrical manner, the top of the drying device (3) is provided with a feed inlet (4), the bottom of the feed inlet (4) is provided with a conduit (41), the conduit (41) is positioned above the transmission device (302), the right end of the top of the base (1) is provided with a screening device (5), the screening device (5) comprises a primary screening layer (501), the left side wall of the screening device (5) is sequentially provided with the primary screening layer (501), a fine screening layer (502, a primary screening plate (5001) is mounted at the bottom end of the primary screening layer (501), a telescopic motor (505) is arranged at the top of the fixed block (504), a moving block (506) is connected to the right end of the telescopic motor (505), two supporting rods (507) are arranged at the inner bottom end of the screening device (5), a horizontal sliding seat (508) is mounted at the top of each supporting rod (507), the moving block (506) is slidably mounted at the top of the horizontal sliding seat (508), a fixed rod (509) is mounted at the top of the moving block (506), two groups of push rods (510) are arranged on each fixed rod (509), the push rods (510) at the upper ends are movably connected with the bottom end of the primary screening plate (5001), the push rods (510) at the lower ends are movably connected with the bottom end of the fine screening layer (502), a stop block (511) is arranged on the inner left side wall of the screening device (5), and the stop block, the right side wall of the screening device (5) is sequentially provided with a drawing plate (512), a swinging plate (513), a supporting plate (514) and a material guiding bin (515) from top to bottom, the left end of the drawing plate (512) is connected with a primary screening plate (5001), the right end of the drawing plate (512) penetrates through the screening device (5) and extends to the outside, the left end of the swinging plate (513) is provided with a material blocking block (516), the material blocking block (516) is in contact with the bottom end of the right side of the fine screening layer (502), a fulcrum rod (517) is arranged between the swinging plate (513) and the supporting plate (514), the top of the fulcrum rod (517) is movably linked with the swinging plate (513), the bottom end of the fulcrum rod (517) is fixed with the supporting plate (514), the left end of the material guiding bin (515) is connected with the right end of the fine screening layer (502), the right end of the top of the screening device (5) is provided with a fan (6), and, the heating box (7) is provided with a vent pipe (8) at the left end, the vent pipe (8) at the left end penetrates through the drying device (3) and extends to the inside, the vent pipe (8) at the left end is divided into a vertical pipe (81) and a horizontal pipe (82), each group of horizontal pipes (82) are arranged above the transmission device (302), the horizontal pipes (82) correspond to a flow dividing pipe (305) below, a material conveying pipe (9) is arranged at a discharge port at the bottom end of the drying device (3), a material dividing pipe (91) is arranged at the bottom end of the material conveying pipe (9), a second material blocking plate (92) is arranged at the lower end of the material dividing pipe (91), the drying device (3) is connected with the screening device (5) through the material conveying pipe (9), a left discharge port (10) is arranged on the outer wall at the left side of the screening device (5), the left discharge port (10) is connected with the left end of the material collecting, the right discharge hole (11) is connected with the right end of the material guide bin (515).

2. The plant seed multistage screening drying apparatus of claim 1, wherein: the bottom of the inner cavity of the convergence box (304) is sequentially provided with falling openings (308) with diameters from small to large from right to left, and the falling openings (308) correspond to the shunt tubes (305) one by one.

3. The plant seed multistage screening drying apparatus of claim 1, wherein: air holes are arranged on the shunt pipe (305) and the horizontal pipe (82).

4. The plant seed multistage screening drying apparatus of claim 1, wherein: all be provided with movable groove in the middle of primary screening layer (501), meticulous screening layer (502), aggregate storehouse (503) and primary screening board (5001), dead lever (509) and activity groove swing joint.

5. The plant seed multistage screening drying apparatus of claim 1, wherein: each group of transmission devices (302) comprises two rollers and a conveyor belt, the two rollers are movably connected with the inner wall of the drying device (3), the conveyor belt is movably arranged between the two rollers, the motor output shaft penetrates through the outer wall of the drying device (3) and extends into the drying device, and the rollers are movably connected with the motor output shaft at the left end.

6. The plant seed multistage screening drying apparatus of claim 1, wherein: a gap is reserved between the primary screening layer (501) and the stop block (511), the left end of the primary screening plate (5001) is movably inserted into the gap, the right end of the primary screening layer (501) is provided with a slot (5002), the left end of the pull plate (512) is provided with an insertion block, and the insertion block is inserted into the slot (5002).