Corn seed screening device

Abstract

The corn seed screening device comprises a base, a screening mechanism, a supporting plate, a draught fan and a dust collector, the screening mechanism comprises a vibration assembly and a screening box, an upper cavity, a middle cavity and a lower cavity are formed in the screening box, the side wall of one side of the screening box and an air pipe are fixedly installed, and the supporting plate is fixedly installed on the side wall of the other side of the screening box. The draught fan and the dust suction machine are arranged on the two sides of the screening box respectively, the air outlet of the draught fan and the air pipe are fixedly installed, the air outlet of the air pipe is formed in the side wall of one side of the upper cavity, the side wall of one side of the middle cavity and the side wall of one side of the lower cavity, and meanwhile the dust suction machine and the dust suction pipe are fixedly installed. And dust suction ports of the dust suction pipes are formed in the other side walls of the upper cavity, the middle cavity and the lower cavity, so that the seeds in the screening box can be conveniently blown through the draught fan, dust and corncobs on the surfaces of the seeds are blown away, the dust and the corncobs are sucked out through the dust suction pipes by the dust suction machine, and it is guaranteed that the screened seeds are clean and tidy.

Description

Technical Field

[0001] The utility model relates to the technical field of seed screening equipment, in particular to a corn seed screening device. Background Art

[0002] Corn seeds generally need to be screened before cultivation to select fuller grains for seed cultivation, thereby increasing the survival rate of planting and improving the quality of seedlings.

[0003] Operators need to select large and high-quality seeds through preliminary screening, and then screen the remaining seeds again to select better seeds, leaving only seeds with smaller particles and inferior varieties. This not only consumes a lot of physical strength of the working people and has high labor intensity, but also impurities such as corn cobs and dust fly around during screening, resulting in a harsh production environment and a great impact on the health of the workers. Utility Model Content

[0004] The purpose of the utility model is to provide a corn seed screening device, in which a fan and a dust collector are respectively arranged on both sides of the screening box, an air duct is arranged on one side of the upper cavity, the hollow cavity and the lower cavity, and a dust suction pipe is arranged on the inner wall of the other side of the upper cavity, the hollow cavity and the lower cavity, so that the fan can blow away the dust and impurities inside the seeds, and then the dust is collected by the dust collector to ensure the neatness of the corn seeds after screening, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above purpose, the present invention provides the following technical solutions:

[0006] A corn seed screening device comprises a base, a screening mechanism, a support plate, a fan and a dust collector, wherein the screening mechanism is arranged on the surface of the base, the screening mechanism comprises a vibration assembly and a screening box, an upper cavity, a middle cavity and a lower cavity are respectively opened inside the screening box, one side wall of the screening box is fixedly installed with an air duct, the air duct is fixedly installed with an air outlet of the fan, the air outlet of the air duct is respectively located in the upper cavity, the middle cavity and the lower cavity, the other side wall of the screening box is located inside the upper cavity, the hollow cavity and the lower cavity and is respectively fixedly installed with a dust suction pipe, the dust suction pipe is fixedly installed with the dust collector, the fan and the dust collector are respectively arranged on the surface of the support plate, and the support plate is fixedly installed with the vibration assembly.

[0007] Preferably, the upper cavity and the hollow cavity have the same inner walls respectively provided with square grooves, and the first collection box and the second collection box are respectively provided outside the square grooves on the side walls of the upper cavity and the hollow cavity, and the lower cavity has a through groove provided below the inner wall away from the square groove, and an impurity box is provided on the side wall of the screening box outside the through groove, and the first collection box is provided above the second collection box, and the screening box, the impurity box and the second collection box are respectively fixedly mounted on the vibration assembly.

[0008] Preferably, the bottom surfaces of the upper cavity and the middle cavity are both provided with a plurality of through holes, and the diameter of the through holes on the bottom surface of the upper cavity is larger than the diameter of the through holes on the bottom surface of the middle cavity.

[0009] Preferably, the vibration assembly includes a driving module, a connecting rod, a fixing rod and a movable plate, one end of the connecting rod is fixedly mounted to the side wall of the movable plate through the fixing rod, the other end of the connecting rod is rotatably connected to the driving module, both side walls of the movable plate and both side walls of the base are symmetrically provided with mounting blocks, paddles are respectively installed between the mounting blocks of the side walls of the movable plate and the mounting blocks of the side walls of the base through fixing pins, the screening box, the first collecting box and the second collecting box are respectively fixedly mounted to the movable plate, and the support plate is provided below the screening box and fixedly mounted to the movable plate.

[0010] Preferably, the driving module includes a fixing seat and a motor, the fixing seat is fixedly mounted on one side of the surface of the base, the side wall above the fixing seat is rotatably connected to the side wall of the rotating rod, the motor is fixedly mounted on one side wall of the fixing seat, the output shaft of the motor is keyed to one end of the rotating rod, the other end of the rotating rod is rotatably connected to one end of the connecting plate, the other end of the connecting plate is fixedly mounted to the connecting rod through a fixing pin, and the connecting rod is rotatably connected to the fixing pin.

[0011] Preferably, the connecting rod and the support plate do not contact each other, and a feed hopper is provided on the top of the screening box.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] The utility model arranges a fan and a dust collector on both sides of a screening box respectively, the air outlet of the fan is fixedly installed with the air duct, and the air outlet of the air duct is arranged on one side wall of the upper cavity, the middle cavity and the lower cavity; at the same time, the dust collector is fixedly installed with the dust suction pipe, and the dust suction port of the dust suction pipe is arranged on the other side wall of the upper cavity, the middle cavity and the lower cavity, so that the seeds inside the screening box can be blown by the fan to blow away the dust and corn ears on the surface of the seeds, and then the dust is sucked out by the dust collector through the dust suction pipe, thereby ensuring the neatness of the seeds after screening. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the overall back structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the overall front view cross-sectional structure of the utility model;

[0017] Figure 4This is a schematic diagram of the cutaway structure of the screening box of the present invention.

[0018] In the figure: 1. Base; 2. Fixed seat; 3. Motor; 4. Rotating rod; 5. Connecting plate; 6. Connecting rod; 7. Fixed rod; 8. Movable plate; 9. Mounting block; 10. Paddle; 11. Support plate; 12. Fan; 13. Air duct; 14. Screening box; 15. Impurity box; 16. First collecting box; 17. Second collecting box; 18. Upper cavity; 19. Middle cavity; 20. Lower cavity; 21. Vacuum cleaner; 22. Vacuum duct; 23. Feed hopper. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] See also Figures 1 to 4 , the utility model provides a technical solution:

[0021] A corn seed screening device includes a base 1, a screening mechanism, a support plate 11, a fan 12 and a dust collector 21. The screening mechanism is arranged on the surface of the base 1. The screening mechanism includes a vibration assembly and a screening box 14. The interior of the screening box 14 is respectively provided with an upper cavity 18, a hollow cavity 19 and a lower cavity 20. One side wall of the screening box 14 is fixedly installed with an air duct 13. The air duct 13 is fixedly installed with an air outlet of the fan 12. The air outlet of the air duct 13 is respectively located in the upper cavity 18, the hollow cavity 19 and the lower cavity 20. The other side wall of the screening box 14 is located in the upper cavity 18, the hollow cavity 19 and the lower cavity 20 and is respectively fixedly installed with a dust suction pipe 22. The dust suction pipe 22 is fixedly installed with the dust collector 21. The fan 12 and the dust collector 21 are respectively arranged on the surface of the support plate 11. The support plate 11 is fixedly installed with the vibration assembly.

[0022] By respectively arranging the fan 12 and the dust collector 21 on both sides of the screening box 14, and fixing the air outlet of the fan 12 to the air duct 13, the air outlet of the air duct 13 is respectively arranged on one side of the upper cavity 18, the hollow cavity 19 and the lower cavity 20 inside the screening box 14, and at the same time, the side wall of the dust suction port of the dust suction pipe 22 on the other side of the upper cavity 18, the hollow cavity 19 and the lower cavity 20 is fixedly installed, and the dust suction pipe 22 is fixedly installed to the dust collector 21, the seeds to be screened are blown by the fan 12, and the impurities and dust in the seeds are blown to the dust suction port of the dust suction pipe 22, so that the dust collector 21 can clean the dust through the dust suction pipe 22, thereby increasing the screening environment inside the screening box 14 and ensuring the cleanliness of the seeds after screening.

[0023] The same inner walls of the upper cavity 18 and the hollow cavity 19 are respectively provided with square grooves, and the first collection box 16 and the second collection box 17 are respectively provided outside the square grooves on the side walls of the upper cavity 18 and the hollow cavity 19. A through groove is provided in the lower cavity 20 away from the lower inner wall of the square groove, and an impurity box 15 is provided outside the through groove on the side wall of the screening box 14. The first collection box 16 is provided above the second collection box 17. The screening box 14, the impurity box 15 and the second collection box 17 are respectively fixed to the vibration assembly.

[0024] An upper cavity 18, a hollow cavity 19 and a lower cavity 20 are opened inside the screening box 14, and square grooves are opened below the same side walls of the lower cavity 20 and the hollow cavity 19. The outside of the square groove is located on the side walls of the screening box 14 and a first collecting box 16 and a second collecting box 17 are respectively provided. The first collecting box 16 is arranged on the top of the second collecting box 17. A through groove is opened on the inner wall of the upper cavity 18 away from the square groove. The side wall of the screening box 14 is located outside the through groove and an impurity box 15 is provided. The impurity box 15, the screening box 14 and the second collecting box 17 are respectively fixedly installed with the vibration assembly, so that the seeds can be graded and screened under the vibration of the vibration assembly below, and collected by the impurity box 15, the first collecting box 16 and the second collecting box 17.

[0025] The bottom surfaces of the upper cavity 18 and the middle cavity 19 are both provided with a plurality of through holes. The diameter of the through holes in the bottom surface of the upper cavity 18 is larger than the diameter of the through holes in the bottom surface of the middle cavity 19 .

[0026] By opening a plurality of through holes on the bottom surfaces of the upper cavity 18 and the hollow cavity 19, and the diameter of the through holes on the bottom surface of the upper cavity 18 is larger than the diameter of the through holes on the bottom surface of the hollow cavity 19, the corn seeds entering the screening box 14 are screened through the through holes on the bottom surfaces of the upper cavity 18 and the hollow cavity 19 under the shaking of the vibration component below, and the impurities in the seeds are removed through the upper cavity 18 and collected by the impurity box 15. The broken or bad corn seeds are screened through the through holes on the bottom surface of the hollow cavity 19 and collected by the second collection box 17. The good seeds slide through the square grooves on the side walls of the hollow cavity 19 to the inside of the first collection box 16 for collection.

[0027] The vibration assembly includes a driving module, a connecting rod 6, a fixed rod 7 and a movable plate 8. One end of the connecting rod 6 is fixedly installed on the side wall of the movable plate 8 through the fixed rod 7, and the other end of the connecting rod 6 is rotatably connected to the driving module. The side walls of the movable plate 8 and the side walls of the base 1 are symmetrically provided with mounting blocks 9. The mounting blocks 9 on the side walls of the movable plate 8 and the mounting blocks 9 on the side walls of the base 1 are respectively installed with paddles 10 through fixing pins. The screening box 14, the first collecting box 16 and the second collecting box 17 are respectively fixedly installed on the movable plate 8. The support plate 11 is arranged below the screening box 14 and fixedly installed on the movable plate 8.

[0028] The driving module includes a fixed base 2 and a motor 3. The fixed base 2 is fixedly installed on one side of the surface of the base 1. The side wall above the fixed base 2 is rotatably connected to the side wall of the rotating rod 4. The motor 3 is fixedly installed on one side wall of the fixed base 2. The output shaft of the motor 3 is key-connected with one end of the rotating rod 4. The other end of the rotating rod 4 is rotatably connected to one end of the connecting plate 5. The other end of the connecting plate 5 is fixedly installed with the connecting rod 6 through a fixing pin, and the connecting rod 6 is rotatably connected to the fixing pin.

[0029] By starting the motor 3, the rotating rod 4 is driven to rotate, which in turn causes the connecting piece 5 to rotate, and then the connecting rod 6 drives the movable plate 8 to shake, and the movable plate 8 and the base 1 are connected by the paddle 10, and the bottom of the movable plate 8 is suspended in the air, so that the screening box 14 on the surface of the movable plate 8 is shaken, and the seeds inside are shaken and screened, thereby improving the efficiency of seed screening.

[0030] The connecting rod 6 and the supporting plate 11 do not contact each other, and a feed hopper 23 is provided on the top of the screening box 14 .

[0031] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present invention. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A corn seed screening device, comprising a base (1), a screening mechanism, a support plate (11), a fan (12) and a dust collector (21), characterized in that: The screening mechanism is arranged on the surface of the base (1), and the screening mechanism includes a vibration component and a screening box (14). The interior of the screening box (14) is respectively provided with an upper cavity (18), a middle cavity (19), and a lower cavity (20). One side wall of the screening box (14) is fixedly mounted to the air duct (13), and the air duct (13) is fixedly mounted to the air outlet of the fan (12). The air outlet of the air duct (13) is respectively located in the upper cavity (18), the middle cavity (19), and the lower cavity (20). The other side wall of the screening box (14) is located in the interior of the upper cavity (18), the middle cavity (19), and the lower cavity (20) and is fixedly mounted to the dust collection pipe (22). The dust collection pipe (22) is fixedly mounted to the dust collector (21). The fan (12) and the dust collector (21) are respectively arranged on the surface of the support plate (11), and the support plate (11) is fixedly mounted to the vibration component.

2. A corn seed screening device according to claim 1, characterized in that: The same inner walls of the upper cavity (18) and the hollow cavity (19) are respectively provided with square grooves, and the first collecting box (16) and the second collecting box (17) are respectively provided outside the square grooves of the side walls of the upper cavity (18) and the hollow cavity (19). The lower cavity (20) is provided with a through groove away from the lower inner wall of the square groove, and an impurity box (15) is provided outside the through groove on the side wall of the screening box (14). The first collecting box (16) is provided above the second collecting box (17), and the screening box (14), the impurity box (15) and the second collecting box (17) are respectively fixedly mounted on the vibration assembly.

3. The corn seed screening device according to claim 2, characterized in that: The bottom surfaces of the upper cavity (18) and the middle cavity (19) are both provided with a plurality of through holes, and the diameter of the through holes on the bottom surface of the upper cavity (18) is larger than the diameter of the through holes on the bottom surface of the middle cavity (19).

4. The corn seed screening device according to claim 3, characterized in that: The vibration assembly includes a driving module, a connecting rod (6), a fixing rod (7) and a movable plate (8), one end of the connecting rod (6) is fixedly mounted on the side wall of the movable plate (8) through the fixing rod (7), and the other end of the connecting rod (6) is rotatably connected to the driving module. The side walls of the movable plate (8) and the side walls of the base (1) are symmetrically provided with mounting blocks (9), and paddles (10) are respectively installed between the mounting blocks (9) of the side walls of the movable plate (8) and the mounting blocks (9) of the side walls of the base (1) through fixing pins. The screening box (14), the first collecting box (16) and the second collecting box (17) are respectively fixedly mounted on the movable plate (8), and the support plate (11) is arranged below the screening box (14) and fixedly mounted on the movable plate (8).

5. The corn seed screening device according to claim 4, characterized in that: The driving module comprises a fixing seat (2) and a motor (3), wherein the fixing seat (2) is fixedly mounted on one side of the surface of the base (1), the side wall above the fixing seat (2) is rotatably connected to the side wall of the rotating rod (4), the motor (3) is fixedly mounted on one side wall of the fixing seat (2), the output shaft of the motor (3) is key-connected to one end of the rotating rod (4), the other end of the rotating rod (4) is rotatably connected to one end of the connecting piece (5), the other end of the connecting piece (5) is fixedly mounted on the connecting rod (6) via a fixing pin, and the connecting rod (6) is rotatably connected to the fixing pin.

6. The corn seed screening device according to claim 5, characterized in that: The connecting rod (6) and the support plate (11) do not contact each other, and a feed hopper (23) is provided on the top of the screening box (14).

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