CN211216798U

CN211216798U - Follow-on sieving mechanism for agricultural convenient to corn is unshelled

Info

Publication number: CN211216798U
Application number: CN201921648647.XU
Authority: CN
Inventors: 伍永嫦
Original assignee: Jiangxi Hongxi Agriculture Co ltd
Current assignee: Jiangxi Hongxi Agriculture Co ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-08-11
Anticipated expiration: 2029-09-30

Abstract

The utility model provides an improved agricultural screening device convenient for rice husking, which comprises a frame, supporting columns, a protective cylinder, pulleys, a net cylinder, a squeeze roller, a connecting shaft, a bearing, a driven pulley, a connecting belt, a driving pulley, a rotating motor, a fan, an auxiliary suction pipe frame structure, an adjusting hose, a feeding dust absorption box frame structure, a compression spring, a protective screening box structure, a PLC and a switch, wherein the supporting columns are respectively welded around the lower surface of the protective cylinder, and the lower end of the supporting columns is welded with the upper surface of the frame; the pulleys are welded on the periphery of the inner wall of the protective cylinder; the net barrel is inserted into the protective barrel and is contacted with the pulley; the extrusion rollers are welded on the periphery of the inner wall of the net barrel; the connecting shaft is embedded in the bearing, and the right end of the connecting shaft is welded with the left end of the net barrel. The utility model has the advantages that: through the arrangement of the protective screening box structure, the protective function is achieved in the screening process, and the surface of the protective screening box has the function of easily falling dust or other sundries.

Description

Follow-on sieving mechanism for agricultural convenient to corn is unshelled

Technical Field

The utility model belongs to the technical field of agricultural equipment, especially, relate to a sieving mechanism is used to agricultural of follow-on corn shelling of being convenient for.

Background

The rice is the seeds without rice husk, belongs to the ordinary rice subspecies in the ordinary cultivated rice subspecies in the gramineae Oryza, and 22 types of rice are confirmed by human beings, but the only rice used for the bulk trade is the ordinary rice, China is one of the countries with the longest history of rice production and the most abundant rice genetic resources, the carbonized rice from Zhejiang river Du, Hunan Rojia corner and Henan Jia lake proves that the Chinese rice has at least over 7000 years of history, is one of the origins of the cultivated rice in the world, the types of processing equipment of the rice are various, and the screening device is the ordinary rice subspecies.

The screening device for the existing agriculture also has the problems of no function of sealing protection, no function of absorbing sundries during feeding and poor effect of absorbing rice husks.

Therefore, it is necessary to develop an improved agricultural screening apparatus for easily husking rice.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a screening device is used to agricultural of follow-on be convenient for rice hulling to do not possess the function of absorbing debris and absorb the relatively poor problem of rice hull effect when solving current screening device is used to agricultural and do not possess function, the feeding that plays sealed protection. An improved agricultural screening device convenient for rice husking comprises a rack, supporting columns, a protection cylinder, pulleys, a net cylinder, an extrusion roller, a connecting shaft, a bearing, a driven belt wheel, a connecting belt, a driving belt wheel, a rotating motor, a fan, an auxiliary suction pipe frame structure, an adjusting hose, a feeding dust collection box frame structure, a compression spring, a protection screening box structure, a PLC and a switch, wherein the supporting columns are respectively welded around the lower surface of the protection cylinder, and the lower end of the supporting columns is welded with the upper surface of the rack; the pulleys are welded on the periphery of the inner wall of the protective cylinder; the net barrel is inserted into the protective barrel and is contacted with the pulley; the extrusion rollers are welded on the periphery of the inner wall of the net barrel; the connecting shaft is embedded in the bearing, and the right end of the connecting shaft is welded with the left end of the net barrel; the bearing is embedded in the middle of the left side in the protection cylinder; the driven belt wheel is connected to the left side of the outer wall of the connecting shaft in a key mode; the connecting belt is respectively sleeved on the outer walls of the driven belt pulley and the driving belt pulley; the driving belt wheel is connected to the output shaft of the rotating motor through a key; the rotary motor bolt is arranged on the left side of the upper surface of the protection cylinder; the fan bolt is arranged in the middle of the right side of the upper surface of the rack; the auxiliary suction pipe frame structure is arranged at the front part of the fan; the adjusting hose is connected to the right end of the fan through a flange; the feeding dust collection box frame structure is arranged at the front part and the rear part on the right side of the upper surface of the rack; the compression spring is welded on the periphery of the lower part of the inner wall of the rack; the protective screening box structure is arranged on the inner wall of the rack; the PLC bolt is arranged at the right lower part of the front surface of the rack; the switch is embedded on the front surface of the PLC; the protective screening box structure comprises a working box, an assembling plate, a vibrating motor, a screening net, a connecting edge, a connecting pipeline, a first discharging pipe and a second discharging pipe, wherein the assembling plate is welded on the front part and the rear part of the left side of the lower surface of the working box respectively; the vibration motor is mounted on the assembly plate through bolts; the screening net is welded in the middle of the inside of the working box; the connecting edge is welded around the outer wall of the working box; one end of the connecting pipeline is welded at the left upper part of the working box, and the other end of the connecting pipeline is welded at the left lower part of the protective cylinder; the first discharging pipe and the second discharging pipe are respectively welded at the upper part and the lower part of the right end of the working box.

Preferably, the feeding dust collection box frame structure comprises a support rod, a feeding box, a dust removal pipe, a pipe cavity, a buffer plate and a dust collection pipe, wherein the support rod is welded on the front side and the rear side of the lower surface of the feeding box respectively, and the lower end of the support rod is welded on the front side and the rear side of the right side of the upper surface of the rack respectively; the dust removal pipe is welded at the upper end of the material inlet box and is internally provided with a pipe cavity; the buffer plates are respectively installed on the left side and the right side of the inner wall of the tube cavity through bolts; one end of the dust collection pipe is welded on the upper side of the front part of the dust collection pipe, and the other end of the dust collection pipe is welded with the front part of the auxiliary suction pipe frame structure.

Preferably, the auxiliary suction pipe frame structure comprises an assembly pipe, a dismounting ring, a working pipe, a first feed port, a second feed port and a sealing cover, wherein the front surface of the assembly pipe is welded with the lower side of the rear part of the dust collection pipe; the dismounting ring is welded at the right end of the working pipe; the first feed port and the second feed port are respectively arranged on the periphery of the left side and the right side of the outer wall of the working pipe; the sealing cover is in threaded connection with the left end of the working pipe.

Preferably, the screening net in the working box is a stainless steel net, and the inside of the working box is communicated with the protection barrel through a connecting pipeline.

Preferably, the connecting edges are provided in plurality, and the lower ends of the connecting edges are welded with the upper ends of the compression springs.

Preferably, the first discharging pipe and the second discharging pipe are respectively made of stainless steel pipes, and the left ends of the first discharging pipe and the second discharging pipe are respectively communicated with the upper side and the lower side of the inner part of the working box.

Preferably, one end of the dust suction pipe is communicated with the upper part of the pipe cavity, and the other end of the dust suction pipe is connected with the fan.

Preferably, the buffer board be provided with two, the buffer board adopt the rubber slab respectively, buffer board and buffer board relatively poor each other.

Preferably, the feeding box is arranged in an inclined shape, and the lower end of the feeding box is supported by a supporting rod.

Preferably, the number of the first feed inlets and the number of the second feed inlets are four, and the first feed inlets and the second feed inlets are arranged in the net barrel.

Preferably, the lower end of the assembly pipe is in threaded connection with the front part of the fan, and the left end of the assembly pipe is in threaded connection with the dismounting ring.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, the screening net of work box inside adopt the stainless steel net, work box inside through connecting tube and a protection section of thick bamboo intercommunication, in the screening process, played the function of protection, and surperficial the function that falls into dust or other debris easily.

2. The utility model discloses in, the connection limit be provided with a plurality ofly, connection limit lower extreme and compression spring's upper end welding, be convenient for assemble, also more reasonable simultaneously vibrate and use.

3. The utility model discloses in, first discharging pipe and second discharging pipe adopt nonrust steel pipe respectively, and the left end communicates with the upper and lower both sides of work box inside respectively, more reasonable messenger's corn flows and carries out work.

4. The utility model discloses in, dust absorption pipe one end and the upper portion intercommunication of lumen, the other end is connected with the fan, when getting into the corn, can cooperate the fan to absorb dust or other debris in the corn, and then increased the functionality.

5. The utility model discloses in, the buffer board be provided with two, the buffer board adopt the rubber slab respectively, buffer board and buffer board relatively poor each other, and then at the material in-process that falls, played the function that cushions the speed reduction, the work of carrying out the dust absorption that can be better.

6. The utility model discloses in, the feeding box set up to the slope form, feeding box lower extreme hold through the bracing piece, be convenient for make the material remove left to enter into appointed position department and carry out work.

7. The utility model discloses in, first feed inlet and second feed inlet be provided with four respectively, first feed inlet and second feed inlet set up in the net section of thick bamboo, the during operation can be different angles and absorb the work of rice husk, and then increased the effect of absorbing the rice husk.

8. The utility model discloses in, the anterior threaded connection of equipment pipe lower extreme and fan, equipment pipe left end and dismouting ring threaded connection, the function of being convenient for cooperate the work pipe to carry out the dismouting and change and maintain.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the protective screening box structure of the present invention.

Fig. 3 is a schematic structural view of the feeding dust-collecting box frame structure of the present invention.

Fig. 4 is the structural schematic diagram of the auxiliary suction pipe frame structure of the present invention.

Fig. 5 is a schematic diagram of the electrical connection of the present invention.

In the figure:

1. a frame; 2. a support pillar; 3. a protective cylinder; 4. a pulley; 5. a net drum; 6. a squeeze roll; 7. a connecting shaft; 8. a bearing; 9. a driven pulley; 10. a connecting belt; 11. a driving pulley; 12. a rotating electric machine; 13. a fan; 14. an auxiliary suction pipe frame structure; 141. assembling a pipe; 142. disassembling and assembling the ring; 143. a working pipe; 144. a first feed port; 145. a second feed port; 146. a sealing cover; 15. adjusting the hose; 16. a feeding dust collection box frame structure; 161. a support bar; 162. a feeding box; 163. a dust removal pipe; 164. a lumen; 165. a buffer plate; 166. a dust collection pipe; 17. a compression spring; 18. protecting the screening box structure; 181. a work box; 182. assembling a plate; 183. a vibration motor; 184. screening a net; 185. a connecting edge; 186. connecting a pipeline; 187. a first discharge pipe; 188. a second discharge pipe; 19. a PLC; 20. and (4) switching.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

example (b):

as shown in fig. 1 and 2, an improved agricultural screening device convenient for rice husking comprises a frame 1, support columns 2, a protective cylinder 3, pulleys 4, a net cylinder 5, a squeezing roller 6, a connecting shaft 7, a bearing 8, a driven pulley 9, a connecting belt 10, a driving pulley 11, a rotating motor 12, a fan 13, an auxiliary suction pipe frame structure 14, an adjusting hose 15, a feeding dust suction box frame structure 16, a compression spring 17, a protective screening box structure 18, a PLC19 and a switch 20, wherein the support columns 2 are respectively welded around the lower surface of the protective cylinder 3, and the lower ends of the support columns are welded with the upper surface of the frame 1; the pulley 4 is welded on the periphery of the inner wall of the protective cylinder 3; the net barrel 5 is inserted into the protective barrel 3 and is contacted with the pulley 4; the extrusion rollers 6 are welded on the periphery of the inner wall of the net barrel 5; the connecting shaft 7 is embedded in the bearing 8, and the right end of the connecting shaft is welded with the left end of the net barrel 5; the bearing 8 is embedded in the middle part of the left side in the protection cylinder 3; the driven belt wheel 9 is connected to the left side of the outer wall of the connecting shaft 7 in a key mode; the connecting belt 10 is respectively sleeved on the outer walls of the driven belt pulley 9 and the driving belt pulley 11; the driving belt wheel 11 is connected with an output shaft of the rotating motor 12 in a key way; the rotating motor 12 is mounted on the left side of the upper surface of the protection cylinder 3 through a bolt; the fan 13 is mounted in the middle of the right side of the upper surface of the rack 1 through bolts; the auxiliary suction pipe frame structure 14 is arranged at the front part of the fan 13; the adjusting hose 15 is connected to the right end of the fan 13 in a flange mode; the feeding dust collection box frame structure 16 is arranged at the front part and the rear part of the right side of the upper surface of the frame 1; the compression spring 17 is welded on the periphery of the lower part of the inner wall of the frame 1; the protective screening box structure 18 is arranged on the inner wall of the frame 1; the PLC19 bolt is arranged at the right lower part of the front surface of the frame 1; the switch 20 is embedded in the front surface of the PLC 19; the protective screening box structure 18 comprises a working box 181, an assembly plate 182, a vibrating motor 183, a screening net 184, a connecting edge 185, a connecting pipeline 186, a first discharge pipe 187 and a second discharge pipe 188, wherein the assembly plate 182 is welded at the front part and the rear part of the left side of the lower surface of the working box 181 respectively; the vibration motor 183 is mounted on the assembly plate 182 by bolts; the screening net 184 is welded in the middle part of the interior of the working box 181; the connecting edge 185 is welded around the outer wall of the working box 181; one end of the connecting pipeline 186 is welded at the left upper part of the working box 181, and the other end is welded at the left lower part of the protective cylinder 3; the first discharge pipe 187 and the second discharge pipe 188 are welded to the upper and lower portions of the right end of the work box 181, respectively.

As shown in fig. 3, in the above embodiment, specifically, the feeding and dust collecting box frame structure 16 includes a support rod 161, a feeding box 162, a dust removing pipe 163, a pipe cavity 164, a buffer plate 165 and a dust collecting pipe 166, the support rod 161 is welded to the front and rear sides of the lower surface of the feeding box 162, and the lower end of the support rod 161 is welded to the front and rear parts of the right side of the upper surface of the rack 1; the dust removal pipe 163 is welded at the upper end of the material inlet box 162, and a pipe cavity 164 is formed inside the dust removal pipe 163; the buffer plates 165 are respectively installed on the left side and the right side of the inner wall of the tube cavity 164 through bolts; one end of the dust suction pipe 166 is welded to the upper side of the front part of the dust suction pipe 163, and the other end is welded to the front part of the auxiliary suction pipe holder structure 14.

As shown in fig. 4, in the above embodiment, specifically, the auxiliary suction pipe rack structure 14 includes an assembly pipe 141, a dismounting ring 142, a working pipe 143, a first feed opening 144, a second feed opening 145 and a sealing cover 146, and a front surface of the assembly pipe 141 is welded to a lower side of a rear portion of the dust suction pipe 166; the dismounting ring 142 is welded at the right end of the working pipe 143; the first feed inlet 144 and the second feed inlet 145 are respectively arranged on the left side and the right side of the outer wall of the working pipe 143; the sealing cap 146 is screwed to the left end of the working pipe 143.

In the above embodiment, specifically, the screening net 184 inside the working box 181 is made of a stainless steel net, and the inside of the working box 181 is communicated with the protective cylinder 3 through a connecting pipe 186, so that a protection function is achieved during screening, and dust or other impurities can easily fall on the surface of the working box.

In the above embodiment, specifically, the connecting edges 185 are provided in plurality, and the lower ends of the connecting edges 185 are welded to the upper end of the compression spring 17, so that the assembly is facilitated, and the vibration is more reasonable and the use is performed.

In the above embodiment, specifically, the first discharging pipe 187 and the second discharging pipe 188 are made of stainless steel pipes, and the left ends of the first discharging pipe 187 and the second discharging pipe 188 are respectively communicated with the upper side and the lower side of the inside of the working box 181, so that the rice can be more reasonably discharged and can work.

In the above embodiment, specifically, one end of the dust suction pipe 166 is communicated with the upper portion of the pipe cavity 164, and the other end is connected with the fan 13, so that when rice enters, the dust suction pipe can cooperate with the fan 13 to suck dust or other impurities in the rice, and further functionality is increased.

In the above embodiment, specifically, the number of the buffer plates 165 is two, the buffer plates 165 are respectively made of rubber plates, the buffer plates 165 and the buffer plates 165 are relatively poor, so that the buffering and speed reducing functions are realized in the process of falling the material, and the dust collection can be better performed.

In the above embodiment, specifically, the feeding box 162 is disposed in an inclined shape, and the lower end of the feeding box 162 is supported by the supporting rod 161, so that the material can move leftwards and enter a designated position to work.

In the above embodiment, specifically, the first feed inlet 144 and the second feed inlet 145 are respectively provided with four feed inlets, the first feed inlet 144 and the second feed inlet 145 are arranged in the mesh cylinder 5, and during operation, the work of sucking the rice husks at different angles can be performed, so that the effect of sucking the rice husks is increased.

In the above embodiment, specifically, the lower end of the assembling pipe 141 is in threaded connection with the front portion of the blower 13, and the left end of the assembling pipe 141 is in threaded connection with the disassembling and assembling ring 142, so as to facilitate the disassembling and assembling of the working pipe 143 and the replacement and maintenance functions.

In the above embodiment, specifically, the rotating electrical machine 12 is an EDH type motor with RPM1A-D75D 30.

In the above embodiment, specifically, the fan 13 is a fan with a type tb 125.

In the above embodiment, specifically, the PLC19 is a PLC of model FX 2N-48.

In the above embodiment, specifically, the vibration motor 183 is a YZS type vibration motor.

In the above embodiment, specifically, the switch 20 is electrically connected to an input terminal of the PLC19, the rotating electrical machine 12 is electrically connected to an output terminal of the PLC19, the blower 13 is electrically connected to an output terminal of the PLC19, and the vibration electrical machine 183 is electrically connected to an output terminal of the PLC 19.

Principle of operation

The utility model discloses a theory of operation: when the rice huller is used, the fan 13 is started to suck air, then a worker pours rice into the pipe cavity 164 of the dust removal pipe 163 and then falls into the feeding box 162, the fan 13 cooperates with the dust suction pipe 166 to suck dust and discharges the dust through the adjusting hose 15 while falling, the buffer plate 165 can buffer the falling speed of the rice and increase the dust suction effect, then the rice enters the net drum 5 through the feeding box 162, the rotating motor 12 is started simultaneously, the net drum 5 is driven to rotate through the driving pulley 11, the connecting belt 10, the driven pulley 9 and the connecting shaft 7, the rice hulling function can be performed by cooperating with the extrusion roller 6, meanwhile, the hulled hulls can pass through the first feeding hole 144 and the second feeding hole 145 by the fan 13 and enter the assembling pipe 141 simultaneously, and then the hulled hulls are discharged through the adjusting hose 15 again, during the husking process, the rice then passes through the net drum 5 and enters the protective drum 3, then passes through the connecting pipe 186 and enters the working box 181 again, finally the vibrating motor 183 is started to vibrate the working box 181, so that the sieving net 184 can sieve the rice, and then the rice flows out from the first discharging pipe 187 and the second discharging pipe 188 respectively.

Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims

1. The improved agricultural screening device convenient for rice husking is characterized by comprising a rack (1), supporting columns (2), a protective cylinder (3), pulleys (4), a net cylinder (5), an extrusion roller (6), a connecting shaft (7), a bearing (8), a driven belt wheel (9), a connecting belt (10), a driving belt wheel (11), a rotating motor (12), a fan (13), an auxiliary suction pipe frame structure (14), an adjusting hose (15), a feeding dust suction box frame structure (16), a compression spring (17), a protective screening box structure (18), a PLC (19) and a switch (20), wherein the supporting columns (2) are welded around the lower surface of the protective cylinder (3) respectively, and the lower end of each supporting column is welded with the upper surface of the rack (1); the pulley (4) is welded around the inner wall of the protective barrel (3); the net barrel (5) is inserted into the protective barrel (3) and is contacted with the pulley (4); the extrusion rollers (6) are welded on the periphery of the inner wall of the net barrel (5); the connecting shaft (7) is embedded in the bearing (8), and the right end of the connecting shaft is welded with the left end of the net barrel (5); the bearing (8) is embedded in the middle part of the left side in the protection cylinder (3); the driven belt wheel (9) is connected to the left side of the outer wall of the connecting shaft (7) in a key mode; the connecting belt (10) is respectively sleeved on the outer walls of the driven belt wheel (9) and the driving belt wheel (11); the driving belt wheel (11) is connected to an output shaft of the rotating motor (12) in a key mode; the rotary motor (12) is arranged on the left side of the upper surface of the protection cylinder (3) through a bolt; the fan (13) is mounted in the middle of the right side of the upper surface of the rack (1) through a bolt; the auxiliary suction pipe frame structure (14) is arranged at the front part of the fan (13); the adjusting hose (15) is connected to the right end of the fan (13) in a flange mode; the feeding dust collection box frame structure (16) is arranged at the front part and the rear part of the right side of the upper surface of the rack (1); the compression spring (17) is welded around the lower part of the inner wall of the rack (1); the protective screening box structure (18) is arranged on the inner wall of the rack (1); the PLC (19) is installed on the right lower part of the front surface of the frame (1) through a bolt; the switch (20) is embedded on the front surface of the PLC (19); the protective screening box structure (18) comprises a working box (181), an assembly plate (182), a vibration motor (183), a screening net (184), a connecting edge (185), a connecting pipeline (186), a first discharge pipe (187) and a second discharge pipe (188), wherein the assembly plate (182) is welded on the front part and the rear part of the left side of the lower surface of the working box (181) respectively; the vibration motor (183) is mounted on the assembly plate (182) through bolts; the screening net (184) is welded in the middle part of the inner part of the working box (181); the connecting edge (185) is welded around the outer wall of the working box (181); one end of the connecting pipeline (186) is welded at the left upper part of the working box (181), and the other end is welded at the left lower part of the protective cylinder (3); the first discharge pipe (187) and the second discharge pipe (188) are respectively welded at the upper part and the lower part of the right end of the working box (181).

2. The improved agricultural screening device convenient for rice husking as defined in claim 1, wherein the feeding and dust-collecting box frame structure (16) comprises a support rod (161), a feeding box (162), a dust-collecting pipe (163), a pipe cavity (164), a buffer plate (165) and a dust-collecting pipe (166), the support rod (161) is welded on the front and rear sides of the lower surface of the feeding box (162) respectively, and the lower end of the support rod is welded on the front and rear sides of the right side of the upper surface of the frame (1) respectively; the dust removal pipe (163) is welded at the upper end of the material inlet box (162), and a pipe cavity (164) is formed in the dust removal pipe; the buffer plates (165) are respectively installed on the left side and the right side of the inner wall of the tube cavity (164) through bolts; one end of the dust collection pipe (166) is welded on the upper side of the front part of the dust collection pipe (163), and the other end of the dust collection pipe is welded with the front part of the auxiliary suction pipe frame structure (14).

3. The improved agricultural screening apparatus for rice husking as claimed in claim 1, wherein the auxiliary suction pipe holder structure (14) comprises an assembling pipe (141), a disassembling ring (142), a working pipe (143), a first inlet (144), a second inlet (145) and a sealing cover (146), the front surface of the assembling pipe (141) is welded with the lower side of the rear part of the dust suction pipe (166); the dismounting ring (142) is welded at the right end of the working pipe (143); the first feed inlet (144) and the second feed inlet (145) are respectively arranged on the left side and the right side of the outer wall of the working pipe (143); the sealing cover (146) is in threaded connection with the left end of the working pipe (143).

4. The improved agricultural screening apparatus for husking rice as claimed in claim 1, wherein the screening net (184) inside the working box (181) is made of stainless steel net, and the inside of the working box (181) is communicated with the protective cylinder (3) through a connecting pipe (186).

5. The improved agricultural screening apparatus for rice husking as recited in claim 1, wherein said connecting edges (185) are provided in plurality, and a lower end of said connecting edges (185) is welded to an upper end of said compression spring (17).

6. The improved agricultural sifting apparatus for husking rice as recited in claim 1, wherein the first discharging pipe (187) and the second discharging pipe (188) are made of stainless steel pipes, and left ends thereof are respectively connected to upper and lower sides of the inside of the working tank (181).

7. The improved agricultural screening apparatus for rice husking as claimed in claim 2, wherein the dust suction pipe (166) has one end communicating with the upper portion of the pipe chamber (164) and the other end connected to the blower (13).

8. The improved agricultural screening apparatus for husking rice as claimed in claim 2, wherein there are two buffering plates (165), the buffering plates (165) are rubber plates, and the buffering plates (165) are inferior to each other.

9. The improved agricultural screening apparatus for husking rice as recited in claim 3, wherein said first feeding port (144) and said second feeding port (145) are provided with four feeding ports, respectively, and said first feeding port (144) and said second feeding port (145) are provided in said screen cylinder (5).

10. The improved agricultural screening apparatus for rice husking as claimed in claim 3, wherein the lower end of the assembly pipe (141) is threadedly coupled to the front portion of the blower (13), and the left end of the assembly pipe (141) is threadedly coupled to the mounting ring (142).