CN215030909U

CN215030909U - Seed sieving mechanism is used in agricultural technology popularization

Info

Publication number: CN215030909U
Application number: CN202120377508.9U
Authority: CN
Inventors: 刘丽萍; 王明瑞; 乔燕
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-19
Filing date: 2021-02-19
Publication date: 2021-12-07
Anticipated expiration: 2031-02-19

Abstract

The utility model discloses a seed sieving mechanism is used in agricultural technology popularization belongs to seed screening technical field. The utility model provides a seed sieving mechanism is used in agricultural technology popularization, the on-line screen storage device comprises a base, the base upper end is equipped with the movable block, the movable block upper end has set firmly the screen cloth, the screen cloth front end is equipped with the blown down tank admittedly, the movable block rear end rotates and is connected with the bent axle, the bent axle outer end rotates and is connected with the supporting shoe, the motor is installed through the mount pad in the middle part of the supporting shoe left side wall that is located the left end, the bent axle outer wall that is located the left end has cup jointed belt pulley A, screen cloth rear end top is equipped with the ventilation pipe, the ventilation pipe left end is equipped with the fixed block admittedly, the fixed block middle part rotates and is connected with the bull stick. The utility model discloses a weight of seed is pressed and is moved the slope piece rotatory along the pivot, has prevented that the air that flows in the ventilation pipe from upper and lower both ends discharge, has guaranteed that the branch and leaf that blows, blighted grain and the seed that the water content is low get into and collect in the collection box, has improved the quality of seed and the survival rate of planting, and the result of use is better.

Description

Seed sieving mechanism is used in agricultural technology popularization

Technical Field

The utility model relates to a seed screening technical field, more specifically say, relate to an agricultural technology promotes and uses seed sieving mechanism.

Background

The agricultural technology popularization refers to that scientific and technological achievements and practical technologies applied to the planting industry, the forestry industry, the animal husbandry industry and the fishery industry are popularized and applied to activities of the whole processes of pre-production, mid-production and post-production of agricultural production through tests, demonstration, training, guidance, consultation services and the like, seed screening is one of crop seed cleaning methods, foreign substances, abortive grains and small-sized seeds in the seeds are screened out through seed screens with different screen hole sizes and shapes, and high-quality seeds with large, full and tidy grains are selected and left, so that the seed quality is improved. The seed screening in the prior art can only filter out irregular particles and small-sized seeds, and can not filter out the branches and leaves, blighted grains and seeds with low water content contained in the seeds, thereby affecting the seed quality and having poor screening effect. In view of this, we propose a seed sieving mechanism for agricultural technology popularization.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

An object of the utility model is to provide a seed sieving mechanism is used in agricultural technology popularization to solve the problem that proposes in the above-mentioned background art.

2. Technical scheme

A seed screening device for agricultural technology popularization comprises a base, wherein a movable block is arranged at the upper end of the base, a screen is fixedly arranged at the upper end of the movable block, a discharge chute is fixedly arranged at the front end of the screen, a crankshaft is rotatably connected at the rear end of the movable block, the outer end of the crankshaft is rotatably connected with a supporting block, a motor is arranged in the middle of the left wall of the supporting block at the left end through a mounting seat, a belt pulley A is sleeved on the outer wall of the crankshaft at the left end, a ventilation pipe is arranged above the rear end of the screen, a fixed block is fixedly arranged at the left end of the ventilation pipe, a rotating rod is rotatably connected in the middle of the fixed block, a belt pulley B is sleeved at the left end of the rotating rod, fan blades are sleeved at the right end of the rotating rod, a feeding hopper is fixedly arranged on the top surface of the ventilation pipe, a rotating shaft is rotatably connected in the middle of the ventilation pipe in an up-down symmetrical structure, an inclined block is fixedly arranged at the left end of the rotating shaft, a spring is fixedly arranged in the middle of the lower surface of the inclined block, the collecting box is hung at the right end of the ventilating pipe, a filter screen is arranged at the upper end inside the collecting box, the front end of the movable block is of a bilateral symmetry structure, two round rods are fixedly arranged, the upper wall of the front end of the base is of a bilateral symmetry structure, two supports are fixedly arranged, and sliding grooves are formed in the outer wall of the upper end of each support.

Preferably, the supporting block is fixedly connected with the base, and the ventilation pipe is fixedly connected with the supporting block.

Preferably, the output shaft of the motor is coaxially connected with the crankshaft, and the belt pulley A is in friction transmission with the belt pulley B through a belt.

Preferably, the inclined block is tightly pressed with the inner wall of the ventilation pipe, and the spring is fixedly connected with the inner wall of the ventilation pipe.

Preferably, the round bar is connected with the sliding groove in a sliding mode.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

1. the utility model puts the seeds to be screened into the feed hopper, the inclined block at the upper end is rotated along the rotating shaft by the weight of the seeds, at the moment, the belt pulley A and the crankshaft are driven to rotate by the motor, the belt pulley A enables the belt pulley B to synchronously rotate by the belt, the belt pulley B drives the rotating rod to rotate along the fixed block to enable the fan blades to rotate, the fan blades suck the external air from the left end of the ventilation pipe and push the external air from the right end of the ventilation pipe to the upper end of the collection box to be discharged, air that flows at the seed whereabouts in-process blows branch and leaf, blighted grain and the seed that water content is low to collecting in the box, and the seed after the filtration promotes the slope piece that is located the lower extreme and drops to the screen cloth on, and the bent axle drives movable block and screen cloth synchronous shake, and anomalous seed and impurity pass the screen cloth and fall into to remove on the movable block and collect, and the full and sufficient seed of water content of granule that the screen cloth upper surface was left is collected by the play chute outflow. The problem of can only filter out irregular granule and small-sized seed, can't filter to the branch and leaf that contains in the seed, blighted grain and the seed that the water content is low, influence the seed quality, filter the effect poor is solved, realized not only to the screening of irregular and small-sized seed, made things convenient for moreover to carry out effectual filtration screening to the branch and leaf that contains in the seed, blighted grain and the seed that the water content is low, improved the quality of seed and the survival rate of planting, the result of use is better.

2. The utility model discloses a collection box has not only made things convenient for branch and leaf, blighted grain and the seed that water content is low to collect, and the filter screen has effectively reduced the dust that produces because of filtering, provides good operational environment for the filterable staff of seed screening.

3. The utility model discloses a weight of seed is pressed and is moved the slope piece rotatory along the pivot, when having prevented that the air that flows in the ventilation pipe from upper and lower both ends exhaust, through the support of spring press the jam that has prevented the feeding, prolonged the time of air and seed contact, guaranteed that the branch and leaf that blows, blighted grain and the seed that the water content is low get into and collect in the collection box, improved the filter effect.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a sectional view of the ventilation tube structure of the present invention;

FIG. 3 is a schematic view of the crankshaft structure of the present invention;

FIG. 4 is an enlarged schematic view of the structure at the position A of the present invention;

the reference numbers in the figures illustrate: 1. a base; 2. a movable block; 3. screening a screen; 4. a discharge chute; 5. a crankshaft; 6. a support block; 7. a motor; 8. a belt pulley A; 9. a vent pipe; 10. a fixed block; 11. a rotating rod; 12. a belt pulley B; 13. a fan blade; 14. a feed hopper; 15. a rotating shaft; 16. an inclined block; 17. a spring; 18. a collection box; 19. a filter screen; 20. a round bar; 21. a support; 22. a chute.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides a technical solution:

a seed screening device for agricultural technology popularization comprises a base 1, a movable block 2 is arranged at the upper end of the base 1, a screen 3 is fixedly arranged at the upper end of the movable block 2, a discharge chute 4 is fixedly arranged at the front end of the screen 3, a crankshaft 5 is rotatably connected at the rear end of the movable block 2, a supporting block 6 is rotatably connected at the outer end of the crankshaft 5, a motor 7 is installed in the middle of the left wall of the supporting block 6 at the left end through a mounting seat, a belt pulley A8 is sleeved on the outer wall of the crankshaft 5 at the left end, a ventilation pipe 9 is arranged above the rear end of the screen 3, a fixed block 10 is fixedly arranged at the left end of the ventilation pipe 9, a rotating rod 11 is rotatably connected at the middle part of the fixed block 10, a belt pulley B12 is sleeved at the left end of the rotating rod 11, a fan blade 13 is sleeved at the right end of the rotating rod 11, a feed hopper 14 is fixedly arranged on the top surface of the ventilation pipe 9, a rotating shaft 15 is rotatably connected in a vertically symmetrical structure in the middle part of the ventilation pipe, an inclined block 16 is fixedly arranged at the left end of the rotation shaft, a spring 17 is fixedly arranged in the middle part of the inclined block 16, the right end of the ventilation pipe 9 is hung with a collection box 18, the upper end inside the collection box 18 is provided with a filter screen 19, the front end of the movable block 2 is of a bilateral symmetry structure and is fixedly provided with two round rods 20, the upper wall of the front end of the base 1 is of a bilateral symmetry structure and is fixedly provided with two supports 21, and the outer wall of the upper end of each support 21 is provided with a sliding groove 22. Seeds to be screened are put into a feed hopper 14, an inclined block 16 at the upper end is pressed downwards by the weight of the seeds to rotate along a rotating shaft 15, a motor 7 drives a belt pulley A8 and a crankshaft 5 to rotate at the moment, a belt pulley A8 drives a belt pulley B12 to synchronously rotate through a belt, a belt pulley B12 drives a rotating rod 11 to rotate along a fixed block 10 to rotate a fan blade 13, the fan blade 13 sucks external air from the left end of a ventilation pipe 9 and pushes the air to the upper end of a collection box 18 to be discharged from the right end of the ventilation pipe 9, when the seeds fall, the flowing air blows branches, blighted grains and seeds with low water content into the collection box 18, the seeds are blocked by a filter screen 19 and left in the collection box 18 to be collected, meanwhile, the circulation of the air is also ensured, the filtered seeds push the inclined block 16 at the lower end to fall onto the screen 3, the crankshaft 5 drives a movable block 2 and the screen 3 to synchronously shake, irregular seeds and impurities fall onto the movable block 2 of the screen 3 to be collected, full and the seed that water content is sufficient of the granule that leaves on screen cloth 3 upper surface is flowed out by blown down tank 4 and is collected, has made things convenient for the seed screening of agricultural technology popularization.

Specifically, the supporting block 6 is fixedly connected with the base 1, and the ventilation pipe 9 is fixedly connected with the supporting block 6. The support block 6 provides a stable support for the ventilation tube 9.

Further, an output shaft of the motor 7 is coaxially connected with the crankshaft 5, and the belt pulley A8 is in friction transmission with the belt pulley B12 through a belt. The motor 7 provides power for the crankshaft 5 to enable the movable block 2 to shake to pass through the screen 3 to screen seeds, and the belt A8 provides power for the belt pulley B12 through a belt.

Furthermore, the inclined block 16 is tightly pressed on the inner wall of the ventilation pipe 9, and the spring 17 is fixedly connected with the inner wall of the ventilation pipe 9. The extrusion of the piece 16 that inclines through spring 17 has made things convenient for the feeding in, has restricted the air and has discharged from ventilation pipe 9 right-hand member, conveniently filters the screening to the seed that branch and leaf, blighted grain and water content in the seed are low.

Further, the rod 20 is slidably connected to the slide groove 22. The movement of the movable block 2 is facilitated, and the screening effect is improved.

The working principle is as follows: when the utility model is used, seeds to be screened are firstly put into the feed hopper 14, the inclined block 16 at the upper end is pressed downwards by the weight of the seeds to rotate along the rotating shaft 15, at the moment, the motor 7 drives the belt pulley A8 and the crankshaft 5 to rotate, the belt pulley A8 drives the belt pulley B12 to synchronously rotate through the belt, the belt pulley B12 drives the rotating rod 11 to rotate along the fixed block 10 to rotate the fan blade 13, the fan blade 13 sucks external air from the left end of the ventilation pipe 9 and pushes the air to the upper end of the collection box 18 to discharge from the right end of the ventilation pipe 9, when the air flowing in the falling process of the seeds blows branches and leaves, blighted grains and seeds with low water content into the collection box 18, the seeds are blocked by the filter screen 19 and left in the collection box 18 to be collected, meanwhile, the circulation of the air is also ensured, the filtered seeds push the inclined block 16 at the lower end to drop onto the screen 3, the crankshaft 5 drives the movable block 2 and the screen 3 to synchronously shake, anomalous seed and impurity pass screen cloth 3 and fall into to remove on the movable block 2 and collect, and the full and sufficient seed of water content of the granule that screen cloth 3 upper surface was left is collected by the play chute 4 outflow, has made things convenient for the seed screening of agricultural technology popularization.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a seed sieving mechanism is used in agricultural technology popularization, includes base (1), its characterized in that: the movable block (2) is arranged at the upper end of the base (1), the screen (3) is fixedly arranged at the upper end of the movable block (2), a discharge chute (4) is fixedly arranged at the front end of the screen (3), a crankshaft (5) is rotatably connected at the rear end of the movable block (2), a supporting block (6) is rotatably connected at the outer end of the crankshaft (5), a motor (7) is installed in the middle of the left wall of the supporting block (6) at the left end through a mounting seat, a belt pulley A (8) is sleeved on the outer wall of the crankshaft (5) at the left end, a ventilation pipe (9) is arranged above the rear end of the screen (3), a fixed block (10) is fixedly arranged at the left end of the ventilation pipe (9), a rotating rod (11) is rotatably connected at the middle of the fixed block (10), a belt pulley B (12) is sleeved at the left end of the rotating rod (11), fan blades (13) are sleeved at the right end of the rotating rod (11), and a feed hopper (14) is fixedly arranged on the top surface of the ventilation pipe (9), ventilation pipe (9) middle part inside is the longitudinal symmetry structure and rotates and be connected with pivot (15), pivot (15) left end is equipped with slope piece (16) admittedly, slope piece (16) lower surface middle part has set firmly spring (17), ventilation pipe (9) right-hand member is hung and is equipped with collection box (18), it is equipped with filter screen (19) to collect box (18) inside upper end, movable block (2) front end is the longitudinal symmetry structure and has set firmly two round bars (20), base (1) front end upper wall is the longitudinal symmetry structure and has set firmly two supports (21), spout (22) have been seted up to support (21) upper end outer wall.

2. The seed screening device for agricultural technology popularization according to claim 1, wherein: the supporting block (6) is fixedly connected with the base (1), and the ventilation pipe (9) is fixedly connected with the supporting block (6).

3. The seed screening device for agricultural technology popularization according to claim 1, wherein: the output shaft of the motor (7) is coaxially connected with the crankshaft (5), and the belt pulley A (8) is in friction transmission with the belt pulley B (12) through a belt.

4. The seed screening device for agricultural technology popularization according to claim 1, wherein: the inclined block (16) is tightly pressed with the inner wall of the ventilation pipe (9), and the spring (17) is fixedly connected with the inner wall of the ventilation pipe (9).

5. The seed screening device for agricultural technology popularization according to claim 1, wherein: the round rod (20) is connected with the sliding groove (22) in a sliding mode.