CN217664691U

CN217664691U - Seed production sieving mechanism

Info

Publication number: CN217664691U
Application number: CN202221429369.0U
Authority: CN
Inventors: 孙占国
Original assignee: Gansu Xinguofeng Agricultural Development Co ltd
Current assignee: Gansu Xinguofeng Agricultural Development Co ltd
Priority date: 2022-06-09
Filing date: 2022-06-09
Publication date: 2022-10-28
Anticipated expiration: 2032-06-09

Abstract

The utility model discloses a seed production sieving mechanism belongs to agricultural equipment technical field, and it includes the screening structure that first screen cloth, chassis and third screen cloth are constituteed, the last surface mounting of first screen cloth has a section of thick bamboo, the arc lateral wall of a section of thick bamboo runs through and is fixed with the motor. This seed production sieving mechanism, the motor drives the eccentric disks that corresponds through driving gear and two driven gears and rotates, make its two eccentric disks synchronous rotation drive the top swing of first drive plate and second drive plate respectively, make it drive second screen cloth and third screen cloth through first drive plate and second drive plate respectively and carry out the simultaneous oscillation, prop up a section of thick bamboo simultaneously and receive the reaction force, make it drive first screen cloth simultaneous oscillation, make it realize supporting between each other through coupling spring and the connecting plate, this kind of mode can keep the screening structure whole can realize the high-frequency vibration effect of mutually supporting, make its overall structure simple, vibration efficiency is high, and the cost is lower.

Description

Seed production sieving mechanism

Technical Field

The utility model belongs to the technical field of agricultural equipment, specifically be a seed production sieving mechanism.

Background

As for the plant genus, most plants are propagated through seeds, as one kind of human food chain, most dishes eaten by people are grown in soil through the seeds, along with the continuous improvement of biology of human beings, the cultivation and selection modes of various excellent seeds are gradually mastered, so that the production of the seeds is realized, as for the current seed production, the seeds need to be processed, impurities need to be separated aiming at the seeds, and some shriveled secondary seeds are sorted, the traditional seed screening is directly and respectively installed by adopting a vibration motor, a plurality of screens are screened, and the traditional screening mode has the problems of low overall efficiency and high cost.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the above-mentioned defect of prior art, the utility model provides a seed production sieving mechanism has solved present seed in the screening process, still has the problem in great optimization space to the structure of multistage screening equipment.

(II) technical scheme

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a seed production sieving mechanism, includes the screening structure that first screen cloth, second screen cloth, chassis and third screen cloth are constituteed, the last surface mounting of first screen cloth has a section of thick bamboo, the arc lateral wall of a section of thick bamboo runs through and is fixed with the motor, the axial position rotation of a section of thick bamboo inner wall is connected with two transmission shafts.

The output shaft of the motor is fixedly connected with a driving gear, the opposite ends of the two transmission shafts are fixedly connected with driven gears meshed with the same driving gear, the ends of the two transmission shafts far away are fixedly connected with eccentric discs, the surfaces of the two eccentric discs are respectively and movably connected with a first transmission plate and a second transmission plate through pin shafts, the bottom end of the first transmission plate is movably connected with the surface of the second screen, and the bottom end of the second transmission plate is movably connected with the surface of the third screen.

As a further aspect of the present invention: the four corners department of first screen cloth, second screen cloth and third screen cloth opposite face that screening structure includes all is provided with the connecting plate, and corresponds the opposite face of two connecting plates and install coupling spring jointly.

As a further aspect of the present invention: the lower surface swing joint on chassis has two bases, and the equal sliding connection of upper surface of two bases has the saddle, and the opposite face of two saddles all rotates and is connected with next axle stay, and two lower axle stay relative one end be fixed with the strut jointly, the strut top is run through to rotate and is connected with two upper axle stays, the one end fixedly connected with of upper axle stay and chassis under surface mounting's last seat stay.

As a further aspect of the present invention: the opposite face of strut has the thread bush through round pin axle swing joint, the lower surface movable mounting on chassis has the bearing frame, the threaded rod is run through jointly to the inner wall of bearing frame and threaded rod, the joint is rotated with the surface of threaded rod to the bearing frame, the thread bush is connected with the surface screw thread of threaded rod, the top fixedly connected with carousel of threaded rod.

As a further aspect of the present invention: the mesh aperture of first screen cloth, second screen cloth and third screen cloth diminishes in proper order, and the right side top-down length of first screen cloth, second screen cloth and third screen cloth diminishes in proper order.

As a further aspect of the present invention: the upper surface of the base is fixedly connected with a slide rail used for the slide piece to slide directionally, and the right side of the base is fixedly provided with a stand used for supporting the chassis.

(III) advantageous effects

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

1. this seed production sieving mechanism, through setting up the motor, the driving gear, driven gear, the transmission shaft, prop up a section of thick bamboo, the eccentric disc, first drive plate and second drive plate, when using, along with the motor drives two driven gear synchronous rotations through the driving gear at a section of thick bamboo inner wall, make its driven gear drive the eccentric disc that corresponds rotate, when making two eccentric discs synchronous rotation thereof, the top that drives first drive plate and second drive plate respectively swings, make it drive second screen cloth and third screen cloth through first drive plate and second drive plate respectively and carry out synchronous oscillation, simultaneously second screen cloth and third screen cloth are along with when vibrating, its prop up a section of thick bamboo receives the reaction force, make it drive first screen cloth synchronous oscillation, make it realize supporting between each other through connecting spring and connecting plate, this kind of mode can keep the screening structure whole high-frequency vibration effect that can realize mutually supporting, make its overall structure simple, vibration efficiency is high, and the cost is lower.

2. According to the seed production screening device, the threaded rod, the threaded sleeve, the support frame, the sliding pieces, the sliding rails, the base and the upper support shafts are arranged, when the seed production screening device is used, the threaded rod rotates along with the rotation of the threaded rod through the bearing seat as a support, the threaded sleeve drives the inclination angle of the support frame to change, the top of the support frame rotates on the surfaces of the two upper support shafts, and meanwhile the support frame drives the two sliding pieces to slide in the sliding rails through the lower support shafts, so that the base plate and the screening mechanism can be adjusted in the whole inclination angle.

Drawings

Fig. 1 is a schematic three-dimensional structure of the present invention;

fig. 2 is a schematic structural view of another perspective solid of the present invention;

FIG. 3 is a schematic view of a three-dimensional cross-sectional structure of the support tube of the present invention;

fig. 4 is a schematic structural view of the chassis of the present invention.

In the figure: 1. a first screen; 2. supporting a cylinder; 3. a motor; 4. a second screen; 5. a third screen; 6. a chassis; 7. a connecting plate; 8. a connecting spring; 9. a base; 10. a driving gear; 11. a driven gear; 12. a drive shaft; 13. an eccentric disc; 14. a bearing seat; 15. a threaded rod; 16. a support frame; 17. a lower support shaft; 18. a slider; 19. a slide rail; 20. an upper supporting seat; 21. an upper supporting shaft; 22. a threaded sleeve; 23. a turntable; 24. a first drive plate; 25. a second drive plate.

Detailed Description

The following describes the technical solution of the present patent in detail with reference to specific embodiments.

As shown in fig. 1-4, the utility model provides a technical solution: the utility model provides a seed production sieving mechanism, includes the screening structure that first screen cloth 1, second screen cloth 4, chassis 6 and third screen cloth 5 are constituteed, and the last surface mounting of first screen cloth 1 has a section of thick bamboo 2, and the arc lateral wall of a section of thick bamboo 2 runs through and is fixed with motor 3, and the axial position of a section of thick bamboo 2 inner wall rotates and is connected with two transmission shafts 12.

The output shaft fixedly connected with driving gear 10 of motor 3, the equal fixedly connected with of the one end that two transmission shafts 12 are relative and the driven gear 11 of same driving gear 10 meshing, the equal fixedly connected with eccentric disc 13 of one end that two transmission shafts 12 kept away from mutually, the surface of two eccentric discs 13 has first drive plate 24 and second drive plate 25 through round pin axle swing joint respectively, the bottom of first drive plate 24 and the surperficial swing joint of second screen cloth 4, the bottom of second drive plate 25 and the surperficial swing joint of third screen cloth 5.

When the vibrating screen is used, the motor 3 drives the two driven gears 11 to synchronously rotate through the driving gear 10 on the inner wall of the support cylinder 2, the driven gears 11 are enabled to drive the corresponding eccentric discs 13 to rotate, when the two eccentric discs 13 synchronously rotate, the tops of the first transmission plate 24 and the second transmission plate 25 are respectively driven to swing, the driven gears are enabled to respectively drive the second screen 4 and the third screen 5 to synchronously vibrate through the first transmission plate 24 and the second transmission plate 25, meanwhile, the support cylinder 2 of the second screen 4 and the third screen 5 synchronously vibrate, the support cylinder drives the first screen 1 to synchronously vibrate, the support cylinder is enabled to be supported between the first screen and the connecting plate 7 through the connecting spring 8, the mode can keep the whole screening structure to realize the high-frequency vibration effect matched with each other, the whole structure is enabled to be simple, the vibration efficiency is high, and the cost is lower.

Specifically, as shown in fig. 2, the four corners of the opposite surfaces of the first screen 1, the second screen 4 and the third screen 5 included in the screening structure are respectively provided with a connecting plate 7, and the opposite surfaces corresponding to the two connecting plates 7 are jointly provided with a connecting spring 8. Through the arrangement of the connecting plate 7, the connecting plate 7 can be supported by the connecting spring 8, so that the first screen 1, the second screen 4 and the third screen 5 can be mutually supported and connected, and the vibration can be well absorbed.

Specifically, as shown in fig. 4, the lower surface of the chassis 6 is movably connected with two bases 9, the upper surfaces of the two bases 9 are both slidably connected with sliders 18, opposite surfaces of the two sliders 18 are both rotatably connected with lower supporting shafts 17, opposite ends of the two lower supporting shafts 17 are jointly fixed with a supporting frame 16, the top end of the supporting frame 16 is rotatably connected with two upper supporting shafts 21 in a penetrating manner, and one end of each upper supporting shaft 21 is fixedly connected with an upper supporting seat 20 which is installed on the lower surface of the chassis 6. Through setting up base 9, base 9 can keep holistic supporting effect, makes its stable placing of keeping, through setting up slider 18, slider 18 can keep playing good supporting effect to strut 16 through lower supporting axle 17, and slider 18 can keep directional stable slip with the cooperation of slide rail 19 down simultaneously, through setting up last supporting axle 21, and last supporting axle 21 keeps good activity support through last supporting seat 20 between strut 16, makes one side of its chassis 6 ability stable placing.

Specifically, as shown in fig. 4, the opposite surface of the bracket 16 is movably connected with a threaded sleeve 22 through a pin shaft, the lower surface of the chassis 6 is movably provided with a bearing seat 14, the inner walls of the bearing seat 14 and the threaded rod 15 jointly penetrate through the threaded rod 15, the bearing seat 14 is rotatably clamped with the surface of the threaded rod 15, the threaded sleeve 22 is in threaded connection with the surface of the threaded rod 15, and the top end of the threaded rod 15 is fixedly connected with a turntable 23. Through setting up thread bush 22, thread bush 22 can keep aiming at threaded rod 15 cooperation, makes it can keep the transmission effect good to strut 16, through setting up bearing frame 14, bearing frame 14 can keep rotating fixedly in inside threaded rod 15, makes it keep the pivoted while can keep adapting to the change of the deflection angle of threaded rod 15 and rotate, through setting up carousel 23, carousel 23 can rotate along with good cooperation between the threaded rod 15, makes things convenient for personnel to drive.

Specifically, as shown in fig. 1, the mesh aperture of the first screen 1, the second screen 4 and the third screen 5 becomes smaller in sequence, and the lengths of the right sides of the first screen 1, the second screen 4 and the third screen 5 decrease in sequence from top to bottom. Through setting up the screening structure, screening structure sieve mesh aperture reduces in proper order, makes it realize hierarchical screening, and the diminishing in proper order of length simultaneously makes it can realize to the separation fall behind impurity, can be comparatively convenient collect impurity respectively.

Specifically, as shown in fig. 2, a slide rail 19 for directional sliding of the slider 18 is fixedly connected to the upper surface of the base 9, and a stand for supporting the chassis 6 is fixed to the right side of the base 9. Through setting up slide rail 19, slide rail 19 can keep the directional spacing slip to slider 18, improves the stability of slider 18 motion, and through setting up the grudging post, the grudging post is located the upper surface of base 9 to be located the right side, this structure is direct not marked out, is located one side contact of slide rail 19, and its main use lies in, can incline to certain angle after can rather than the contact, can spacing angle regulation when keeping supporting with chassis 6.

The utility model discloses a theory of operation does:

by rotating the threaded rod 15, the threaded rod 15 is supported and rotated by the bearing seat 14, the inclined angle of the supporting frame 16 is driven by the threaded sleeve 22 to change, so that the top of the supporting frame 16 rotates on the surfaces of the two upper supporting shafts 21, meanwhile, the supporting frame 16 drives the two sliders 18 to slide in the sliding rails 19 through the lower supporting shaft 17, so that the whole inclined angle of the chassis 6 and the screening mechanism can be adjusted to a proper position, the motor 3 drives the two driven gears 11 to synchronously rotate through the driving gear 10 on the inner wall of the supporting tube 2, so that the driven gears 11 drive the corresponding eccentric discs 13 to rotate, when the two eccentric discs 13 synchronously rotate, the tops of the first driving plate 24 and the second driving plate 25 are respectively driven to synchronously swing, so that the driving plates respectively drive the second screen 4 and the third screen 5 to synchronously vibrate through the first driving plate 24 and the second driving plate 25, and the supporting tube 2 is subjected to a reaction force, so that the supporting tube 2 drives the first screen 1 to synchronously vibrate, so that larger impurities are screened on the surface of the second screen 4, and the seeds are screened, and the fine and classified by the chassis 6, and the seeds can be screened.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may for example 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 by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a seed production sieving mechanism, includes the screening structure that first screen cloth (1), second screen cloth (4), chassis (6) and third screen cloth (5) are constituteed, its characterized in that: a support cylinder (2) is mounted on the upper surface of the first screen (1), a motor (3) penetrates through and is fixed to the arc-shaped side wall of the support cylinder (2), and two transmission shafts (12) are rotatably connected to the axial position of the inner wall of the support cylinder (2);

the output shaft fixedly connected with driving gear (10) of motor (3), the equal fixedly connected with of one end that two transmission shafts (12) are relative and driven gear (11) of same driving gear (10) meshing, the equal fixedly connected with eccentric disc (13) of one end that two transmission shafts (12) kept away from mutually, the surface of two eccentric discs (13) has first transmission board (24) and second transmission board (25) through round pin axle swing joint respectively, the bottom of first transmission board (24) and the surface swing joint of second screen cloth (4), the bottom of second transmission board (25) and the surface swing joint of third screen cloth (5).

2. A seed production screening apparatus according to claim 1, wherein: the four corners department of first screen cloth (1), second screen cloth (4) and third screen cloth (5) opposite face that the screening structure includes all is provided with connecting plate (7), and corresponds the opposite face of two connecting plates (7) and install coupling spring (8) jointly.

3. A seed production screening apparatus according to claim 1, wherein: the lower surface swing joint of chassis (6) has two bases (9), and the equal sliding connection of upper surface of two bases (9) has saddle (18), and the opposite face of two saddle (18) is all rotated and is connected with down bracing axle (17), and two lower bracing axle (17) relative one end be fixed with strut (16) jointly, strut (16) top is run through to rotate and is connected with two upper bracing axle (21), the one end fixedly connected with of upper bracing axle (21) and chassis (6) lower surface mounting's last seat (20).

4. A seed production screening apparatus according to claim 3, wherein: the opposite face of strut (16) has thread bush (22) through round pin axle swing joint, the lower surface movable mounting on chassis (6) has bearing frame (14), threaded rod (15) is run through jointly with the inner wall of threaded rod (15) in bearing frame (14), the joint is rotated with the surface of threaded rod (15) in bearing frame (14), the surface threaded connection of thread bush (22) and threaded rod (15), the top fixedly connected with carousel (23) of threaded rod (15).

5. A seed production screening apparatus according to claim 2, wherein: the mesh openings of the first screen (1), the second screen (4) and the third screen (5) are sequentially reduced, and the lengths of the right sides of the first screen (1), the second screen (4) and the third screen (5) are sequentially reduced from top to bottom.

6. A seed production screening apparatus according to claim 4, wherein: the upper surface of the base (9) is fixedly connected with a slide rail (19) used for the slide piece (18) to directionally slide, and the right side of the base (9) is fixedly provided with a stand used for supporting the chassis (6).