CN218902599U

CN218902599U - Rice seed clear screen device

Info

Publication number: CN218902599U
Application number: CN202222991537.1U
Authority: CN
Inventors: 陈志雄; 尹其代; 谭国文; 罗怀宇; 段明月; 肖光秀; 李桂松; 张全启
Original assignee: Dehong Prefecture Agricultural Technology Promotion Center (dehong Prefecture Agricultural Science Research Institute)
Current assignee: Dehong Prefecture Agricultural Technology Promotion Center (dehong Prefecture Agricultural Science Research Institute)
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-04-25
Anticipated expiration: 2032-11-10

Abstract

The utility model belongs to the technical field of seed selection equipment, and particularly relates to a rice seed screening device which comprises a processing box and a shell, wherein a feeding cylinder is fixedly arranged at the top of the shell, a feeding hopper is fixedly arranged at the top end of the feeding cylinder, the same connecting cylinder is connected between the feeding cylinder and the processing box, one end, close to the feeding cylinder, of the connecting cylinder extends into the feeding cylinder and is fixedly provided with a screen plate, two guide rods are arranged in the shell, the guide rods positioned at the left side are fixedly connected with the inner wall of the shell, and arc-shaped grooves are formed in the inner walls of the front side and the rear side of the shell. The utility model has reasonable design, can extract and collect impurities such as dust and the like generated in the process of rice seeds entering the shell and screening, can screen rice seeds efficiently by controlling the mode of back-and-forth reciprocating motion of the mounting plate and the screen plate, and can adjust the inclination angle of the screen plate according to the requirement.

Description

Rice seed clear screen device

Technical Field

The utility model relates to the technical field of seed selection equipment, in particular to a rice seed screening device.

Background

The rice is cereal crop of rice genus, need carry out the clear screen treatment to the rice seed before the rice is planted, need use clear screen assembly, the rice seed is directly carried to the transmission shale shaker through the feed cylinder when sieving, and the rice seed distribution that falls on the shale shaker is concentrated relatively, causes partial rice seed to stay too short on the shale shaker to the condition that the screening effect is poor easily appears, can produce the dust when sieving simultaneously and fly away, influences the environment of work.

Through searching, the Chinese patent with the issued publication number of CN212576804U relates to a coarse screening device for rice seeds, which can solve the problem of poor screening effect, but in actual use, the prior patent can not treat sundries such as dust generated in the screening process, and can cause dust pollution in the working environment, so the utility model provides a rice seed screening device for solving the problem.

Disclosure of Invention

The utility model aims to solve the defects of the prior art and provides a rice seed screening device.

The technical aim of the utility model is realized by the following technical scheme: the utility model provides a rice seed screening device, includes casing and treatment box, treatment box and casing are linked together, the top fixed mounting of casing has a feed cylinder, and the top fixed mounting of feed cylinder has the feeder hopper, be connected with same connecting cylinder between feed cylinder and the treatment box, and the one end that the connecting cylinder is close to the feed cylinder extends to in the feed cylinder and fixed mounting has the otter board, be provided with two guide bars in the casing, the inner wall fixed connection of left guide bar and casing is located, all offered the arc wall on the front and back both sides inner wall of casing, the guide bar slidable mounting that is located the right side is in two arc walls, slidable mounting has same mounting panel on two guide bars, fixed mounting has the sieve on the mounting panel, rectangular opening has been seted up to one side of casing, rectangular opening mounting panel runs through rectangular opening, be provided with adjusting part in the casing, and adjusting part is connected with the guide bar on casing and the mounting panel on the same reciprocal subassembly, be provided with conveying part on the casing, the fixed mounting panel has square board in the treatment box, fixed mounting has the fixed mounting on the square board, but the dust collecting hood is kept away from fixed mounting has fixed mounting of dust collecting hood, fixed mounting bag one side is kept away from the fixed mounting.

Preferably, the reciprocating assembly comprises a driving motor, an eccentric wheel, a stop block and a return spring, wherein the driving motor is fixedly arranged on one side, close to the feeding barrel, of the shell, an output shaft of the driving motor extends into the shell and is fixedly sleeved with the eccentric wheel, the stop block is fixedly arranged on the bottom side of the mounting plate, the eccentric wheel is abutted to the stop block, the return spring is fixedly arranged on the front side of the mounting plate, one end, far away from the mounting plate, of the return spring is fixedly connected with the front inner wall of the shell, and the return spring is movably sleeved on the outer side of the guide rod, located on the left side.

Preferably, the adjusting component comprises a rotating pin, an electric push rod and a fixed block, wherein the rotating pin is rotatably arranged on the inner wall of the rear side of the shell, the electric push rod is radially and fixedly arranged on the rotating pin, the fixed block is fixedly arranged at the bottom end of the electric push rod, and the fixed block is rotatably arranged on a guide rod positioned on the right side.

Preferably, the conveying assembly comprises a conveying motor, two rotating shafts, two rotating rollers and a conveying belt, two support plates are fixedly arranged on one side, close to the feeding cylinder, of the shell, the rotating shafts are rotatably arranged on the inner walls of the two support plates and the shell, the rotating rollers are fixedly sleeved on the two rotating shafts, the two rotating rollers are connected with the same conveying belt in a transmission manner, the conveying motor is fixedly arranged on the front side of the shell, and the rotating shafts on the right side are fixedly connected with an output shaft of the conveying motor.

Preferably, the top side of mounting panel fixed mounting has guide plate and two strip shaped plates, and the guide plate is slope setting, guide plate and two strip shaped plate fixed connection.

Preferably, the top of the treatment box is hinged with a box door, and a handle is fixedly arranged on the box door.

The beneficial effects of the utility model are as follows: according to the utility model, rice seeds to be screened are conveniently poured into the shell through the feed hopper and the feeding cylinder, and meanwhile, the mounting plate can be controlled to reciprocate back and forth under the action of the reciprocating assembly, so that the sieve plate can be driven to screen the rice seeds and discharge the rice seeds left on the sieve plate rightwards from the rectangular opening, meanwhile, the rice seeds can be prevented from overflowing from the mounting plate through the strip-shaped plate and the guide plate, the inclination angles of the mounting plate and the sieve plate can be adjusted according to requirements through the adjusting assembly, the rice seeds passing through the sieve plate can be discharged leftwards out of the shell through the conveying assembly, and impurities such as dust and the like generated in the process of entering the rice seeds into the shell and in the process of screening can be extracted and stored under the cooperation of the exhaust fan, the cloth bag, the dust collecting cover, the connecting cylinder and the mesh plate, so that the working environment is effectively prevented from being polluted by impurities such as dust and the like generated in the process of screening.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of a rice seed screening device according to the present utility model;

FIG. 2 is a schematic cross-sectional view of a rice seed screening apparatus according to the present utility model;

FIG. 3 is a schematic structural view of the portion A of the rice seed screening device according to the present utility model;

fig. 4 is a schematic structural diagram of a portion B of the rice seed screening apparatus according to the present utility model.

In the figure: 1. a housing; 11. a feed cylinder; 12. a connecting cylinder; 13. an arc-shaped groove; 2. a treatment box; 21. a case cover; 22. a cloth bag; 23. an exhaust fan; 3. a guide rod; 31. a mounting plate; 32. a strip-shaped plate; 33. a deflector; 34. a sieve plate; 35. a return spring; 4. a driving motor; 41. an eccentric wheel; 42. a stop block; 5. an electric push rod; 51. a fixed block; 6. a rotating shaft; 61. a rotating roller; 62. a conveyor belt; 63. and a conveying motor.

Detailed Description

The technical scheme of the present utility model will be clearly and completely described in connection with specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

Referring to FIGS. 1-4, a rice seed screening device comprises a housing 1 and a treatment tank 2, wherein the treatment tank 2 is communicated with the housing 1, a feeding cylinder 11 is fixedly arranged at the top of the housing 1, a feed hopper is fixedly arranged at the top end of the feeding cylinder 11, a connecting cylinder 12 is connected between the feeding cylinder 11 and the treatment tank 2, one end of the connecting cylinder 12 close to the feeding cylinder 11 extends into the feeding cylinder 11 and is fixedly provided with a screen plate, two guide rods 3 are arranged in the housing 1, the guide rods 3 positioned at the left side are fixedly connected with the inner wall of the housing 1, arc-shaped grooves 13 are formed in the inner walls of the front side and the rear side of the housing 1, the guide rods 3 positioned at the right side are slidably arranged in the two arc-shaped grooves 13, one mounting plate 31 is slidably arranged on the two guide rods 3, a screen plate 34 is fixedly arranged on the mounting plate 31, one side of the housing 1 is provided with a rectangular opening, the rectangular opening mounting plate 31 penetrates through the rectangular opening, a rotating pin is rotatably arranged on the inner wall of the rear side of the shell 1, an electric push rod 5 is radially and fixedly arranged on the rotating pin, a fixed block 51 is fixedly arranged at the bottom end of the electric push rod 5, the fixed block 51 is rotatably arranged on a guide rod 3 positioned on the right side, so that the inclination angle of a mounting plate 31 can be adjusted according to requirements, the inclination angle of a sieve plate 34 can be synchronously adjusted, a driving motor 4 is fixedly arranged on one side of the shell 1 close to a feeding cylinder 11, an output shaft of the driving motor 4 extends into the shell 1 and is fixedly sleeved with an eccentric wheel 41, a stop block 42 is fixedly arranged on the bottom side of the mounting plate 31, the eccentric wheel 41 is abutted against the stop block 42, a reset spring 35 is fixedly arranged on the front side of the mounting plate 31, one end of the reset spring 35 away from the mounting plate 31 is fixedly connected with the inner wall of the front side of the shell 1, the reset spring 35 is movably sleeved on the outer side of the guide rod 3 positioned on the left side, so that the mounting plate 31 can be controlled to reciprocate back and forth, one side of the shell 1 close to the feeding cylinder 11 is fixedly provided with two support plates, the two support plates are respectively and rotatably provided with a rotating shaft 6 on the inner wall of the shell 1, the two rotating shafts 6 are respectively and fixedly sleeved with a rotating roller 61, the two rotating rollers 61 are in transmission connection with the same conveying belt 62, the front side of the shell 1 is fixedly provided with a conveying motor 63, the rotating shaft 6 positioned on the right side is fixedly connected with an output shaft of the conveying motor 63, rice seeds screened by the screen plate 34 can be discharged from the shell 1, a square plate is fixedly arranged in the treatment box 2, a dust collecting cover is fixedly arranged on the square plate, a cloth bag 22 is detachably and fixedly arranged on the dust collecting cover, and sundries such as dust and the like generated in the screening process and the feeding process can be extracted and collected by fixedly arranging an exhaust fan 23 on one side of the treatment box 2 far away from the connecting cylinder 12.

In this embodiment, the top side of the mounting plate 31 is fixedly provided with a deflector 33 and two strip-shaped plates 32, the deflector 33 is inclined, and the deflector 33 is fixedly connected with the two strip-shaped plates 32, so that rice seeds falling on the mounting plate 31 and the sieve plate 34 can be prevented from overflowing from the mounting plate 31.

In this embodiment, the top of the treatment box 2 is hinged with a box door, and a handle is fixedly installed on the box door, so that the cloth bag 22 can be conveniently disassembled and replaced.

Working principle: when the rice seed sieving machine is used, the power supply is firstly switched on, the driving motor 4, the conveying motor 63 and the exhaust fan 23 are started, rice seeds needing sieving are poured from the feed hopper, the rice seeds fall on the mounting plate 31 under the action of self weight of the rice seeds, the driving motor 4 can control the mounting plate 31 to shake back and forth under the action of the eccentric wheel 41, the baffle and the reset spring 35, so that the sieve plate 34 can be controlled to carry out sieving operation on the rice seeds, meanwhile, the rice seeds can be prevented from overflowing from the mounting plate 31 under the action of the strip plate 32 and the guide plate 33, the rice seeds which do not pass through the sieve plate 34 are discharged from the rectangular opening along the mounting plate 31, the rice seeds are discharged from the left side of the shell 1 under the action of the conveying motor 63, the rotating shaft 6, the rotating roller 61 and the conveying belt 62 through the part of the sieve plate 34, the inclination angle of the mounting plate 31 can be adjusted according to the requirement under the action of the components such as the electric push rod 5, the fixed block 51, the guide groove and the like, the inside of the treatment box 2 can be in a negative pressure state under the action of the exhaust fan 23, the connecting cylinder 12 can be used for extracting air and dust in the feed cylinder 11, meanwhile, the rice seeds in the cloth bag 22 can be prevented from overflowing from the rectangular opening along the mounting plate 31, the rectangular opening, the rice seeds can be completely separated from the bag 22, and the dust can be completely filtered in the bag 22, and can be completely separated from the dust can be completely discharged into the bag 22, and can be completely separated, and stored, and can be completely separated into the dust, and filtered, and can be removed, and then can be removed, and stored.

The rice seed screening device provided by the utility model is described in detail above. The principles and embodiments of the present utility model have been described herein with reference to specific examples, which are intended to be merely illustrative of the methods of the present utility model and their core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims

1. The utility model provides a rice seed screening device, its characterized in that includes casing (1) and treatment box (2), treatment box (2) and casing (1) are linked together, feed cylinder (11) are all offered on the top fixed mounting of casing (1), and the top fixed mounting of feed cylinder (11) has the feeder hopper, be connected with same connecting cylinder (12) between feed cylinder (11) and treatment box (2), and connecting cylinder (12) are close to the one end of feed cylinder (11) and extend to in feed cylinder (11) and fixed mounting have otter board, be provided with two guide bars (3) in casing (1), be located the guide bar (3) of left side and the inner wall fixed connection of casing (1), arc wall (13) have all been offered on the front and back both sides inner wall of casing (1), guide bar (3) slidable mounting on the right side are in two arc wall (13), same (31) are installed to slidable mounting on two guide bars (3), fixed mounting has (34) on mounting panel (31), rectangular one side of casing (1) has set up guide bar (31) and the regulation subassembly, rectangular side (1) has the regulation subassembly, and set up in the regulation subassembly (1) has, and set up the regulation subassembly on the side (1) has, the dust collection device is characterized in that a conveying assembly is arranged on the shell (1), a square plate is fixedly arranged in the treatment box (2), a dust collection cover is fixedly arranged on the square plate, a cloth bag (22) is detachably and fixedly arranged on the dust collection cover, and an exhaust fan (23) is fixedly arranged on one side, far away from the connecting cylinder (12), of the treatment box (2).

2. The rice seed screening device according to claim 1, wherein: the reciprocating assembly comprises a driving motor (4), an eccentric wheel (41), a stop block (42) and a reset spring (35), wherein the driving motor (4) is fixedly installed on one side, close to a feeding barrel (11), of the shell (1), an output shaft of the driving motor (4) extends into the shell (1) and is fixedly sleeved with the eccentric wheel (41), the stop block (42) is fixedly installed on the bottom side of a mounting plate (31), the eccentric wheel (41) is abutted against the stop block (42), the reset spring (35) is fixedly installed on the front side of the mounting plate (31), one end, far away from the mounting plate (31), of the reset spring (35) is fixedly connected with the inner wall of the front side of the shell (1), and the reset spring (35) is movably sleeved on the outer side of a guide rod (3) located on the left side.

3. The rice seed screening device according to claim 1, wherein: the adjusting component comprises a rotating pin, an electric push rod (5) and a fixed block (51), wherein the rotating pin is rotatably arranged on the inner wall of the rear side of the shell (1), the electric push rod (5) is radially and fixedly arranged on the rotating pin, the fixed block (51) is fixedly arranged at the bottom end of the electric push rod (5), and the fixed block (51) is rotatably arranged on the guide rod (3) positioned on the right side.

4. The rice seed screening device according to claim 1, wherein: the conveying assembly comprises a conveying motor (63), two rotating shafts (6), two rotating rollers (61) and a conveying belt (62), wherein two support plates are fixedly arranged on one side, close to a feeding barrel (11), of a shell (1), the rotating shafts (6) are rotatably arranged on the inner walls of the two support plates and the shell (1), the rotating rollers (61) are fixedly sleeved on the two rotating shafts (6), the two rotating rollers (61) are connected with the same conveying belt (62) in a transmission manner, the conveying motor (63) is fixedly arranged on the front side of the shell (1), and the rotating shafts (6) located on the right side are fixedly connected with an output shaft of the conveying motor (63).

5. The rice seed screening device according to claim 1, wherein: the top side of mounting panel (31) fixed mounting has guide plate (33) and two strip shaped plates (32), and guide plate (33) are slope setting, guide plate (33) and two strip shaped plates (32) fixed connection.

6. The rice seed screening device according to claim 1, wherein: the top of the treatment box (2) is hinged with a box door, and a handle is fixedly arranged on the box door.