CN217190870U

CN217190870U - Seed screening device

Info

Publication number: CN217190870U
Application number: CN202220415082.6U
Authority: CN
Inventors: 张徵辰; 彭声静; 安琪
Original assignee: Kunming University
Current assignee: Kunming University
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-08-16
Anticipated expiration: 2032-02-28

Abstract

The utility model discloses a seed sieving mechanism, including collecting chamber, interior screening bucket and outer screening bucket, collect the chamber and be located between interior screening bucket and the outer screening bucket, still including screening subassembly and drive assembly, inside the screening subassembly is located interior screening bucket, including bottom plate, bracing piece, control lever, reset spring and screen cloth, drive assembly includes that the motor places board, driving motor, bull stick and dials the piece, dials the piece and is located directly over the control lever. The device drives the control rod to slide up and down through the stirring piece and the reset spring, so that the screen is switched between a convex state and a concave state back and forth, the seeds in the device are kept to move from the middle to the periphery and from the periphery to the middle in a reciprocating mode, and the working efficiency of the device is greatly improved.

Description

Seed screening device

Technical Field

The utility model relates to a mechanical device, in particular to seed sieving mechanism.

Background

At present, the wheat is mostly reaped through mechanized mode, at the in-process of reaping the wheat, grit and wheat husk often can be thoughtlessly mixed, carry out the in-process of screening to the wheat, often adopt artifical mode, pour the wheat into the container that holds water, make wheat husk and shrivelled seed float to the surface of water on, and fish out wheat husk and shrivelled seed, thereby isolate wheat husk and shrivelled seed from wheat seed, grit thoughtlessly in to the wheat seed, then separate through the sieve, use above-mentioned screening mode, not only waste time and energy, and screening efficiency is low, it is big-scale to be difficult to realize realizing wheat seed, efficient screening, for this reason, we propose a seed sieving mechanism for the agricultural and solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing a seed sieving mechanism that screening efficiency is high, easy and simple to handle.

The technical scheme is as follows: seed sieving mechanism, including collecting chamber, interior screening bucket and outer screening bucket, collect the chamber and be located between interior screening bucket and the outer screening bucket, its characterized in that: the screening barrel is characterized by further comprising a screening assembly and a transmission assembly, wherein the screening assembly is located inside the inner screening barrel and comprises a bottom plate, a supporting rod, a control rod, a reset spring and a screen, the transmission assembly comprises a motor placing plate, a driving motor, a rotating rod and a stirring piece, and the stirring piece is located right above the control rod.

Furthermore, the bottom plate is arranged in the inner screening barrel, one end of the supporting rod is arranged on the bottom plate, one end of the control rod is slidably arranged at the other end of the supporting rod, one end of the reset spring is arranged on the bottom plate, the other end of the reset spring is connected with the control rod, the edge of the screen mesh is fixedly connected with the inner screening barrel wall, and the middle of the control rod is fixedly connected with the control rod and can move up and down along with the sliding of the control rod.

Furthermore, driving motor sets up on the board is placed to the motor, and the board is placed to the motor and is located the outer screening bucket outside, and the movable piece is dialled in the fixed connection of bull stick one end, and the other end passes inside and outside screening bucket wall and is connected with driving motor.

Furthermore, a first through hole is formed in the screen, a second through hole is formed in the wall of the inner screening barrel, and the aperture of the second through hole is larger than that of the first through hole.

Furthermore, a sliding door is arranged on the outer side wall of the collecting cavity, and a handle is arranged on the sliding door.

And furthermore, a feed inlet is formed in the outer screening barrel, and a feed valve is rotatably arranged on the feed inlet. And a sewage draining outlet is formed in the bottom of the collecting cavity.

Furthermore, the bottom of the collecting cavity is provided with a supporting leg.

Has the advantages that: compared with the prior art, the device has the following advantages:

1. the control rod is driven to slide up and down through the stirring piece and the reset spring, so that the screen is switched between a convex state and a concave state, seeds in the device are kept to move to the periphery from the middle and move to the middle from the periphery, and the working efficiency of the device is greatly improved.

2. The wheat seeds after screening are divided into two different channels with the crushed stones and the dander, and the crushed stones and the seeds after screening are directly discharged out of the device without confusion.

3. The screen cloth made of elastic materials has low cost and wide use space.

Drawings

FIG. 1 is a perspective view of the present device;

FIG. 2 is a front view of the present apparatus;

FIG. 3 is a front sectional view of the present apparatus;

fig. 4 is a bottom view of the device.

FIG. 5 is a top view of the present apparatus;

FIG. 6 is a cross-sectional view taken along section line A-A of FIG. 2;

fig. 7 is a sectional view taken along section line B-B in fig. 2.

Detailed Description

The seed sieving mechanism of this embodiment specifically is as follows:

as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the seed screening device comprises an inner screening barrel 1, a collection cavity 2, an outer screening barrel 3, a screening component 4 and a transmission component 5, wherein one end of the inner screening barrel 1 is arranged on the inner upper wall of the outer screening barrel 3, one end of the collection cavity 2 is arranged on the outer bottom wall of the outer screening barrel 3, the other end of the collection cavity 2 is connected with the other end of the inner screening barrel 1, the screening component 4 is arranged on the inner screening barrel 1, one end of the transmission component 5 is arranged on the outer side wall of the outer screening barrel 3, and the other end of the transmission component 5 penetrates through the outer screening barrel 3 and is rotatably arranged in the inner screening barrel 1; the screening component 4 comprises a bottom plate 6, a support rod 7, a control rod 8, a return spring 9 and a screen 10, the bottom plate 6 is arranged on the inner side wall of the inner screening barrel 1, one end of the support rod 7 is arranged on the upper wall of the bottom plate 6, one end of the control rod 8 is slidably arranged on the other end of the support rod 7, the other end of the control rod 8 is arranged in the inner screening barrel 1, one end of the return spring 9 is arranged on the upper wall of the base, the other end of the return spring 9 is arranged on one end of the control rod 8 through the support rod 7, one end of the screen 10 is arranged on the inner side wall of the inner screening barrel 1, and the other end of the screen 10 is arranged on the other end of the control rod 8; when the wheat seed screening device is used, wheat seeds to be screened are thrown into the inner screening barrel 1 through the outer screening barrel 3 for screening, the seeds fall onto the screen 10 and are screened by the screen 10, broken stones and skin chips with the inner diameter smaller than that of the wheat seeds directly fall through the screen 10 and are discharged out of the device, the wheat seeds enter the collecting cavity 2 through the side wall of the inner screening barrel 1, the transmission assembly 5 is always in an open state in the using process, when the transmission assembly 5 rotates and is in contact with the control rod 8, the transmission assembly 5 can drive the control rod 8 to slide along the direction of the support rod 7, the return spring 9 contracts, when the control rod 8 slides, the screen 10 is conveyed to be in a convex state and is changed into a concave state, when the transmission assembly 5 is separated from the support rod 7, the control rod 8 returns to be under the action of the return spring 9, meanwhile, the screen 10 is driven to be changed from the concave state to be in the convex state, and when the screen 10 is in the convex state, the seeds roll from the middle of the screen 10 to the periphery, when the screen 10 is in a sunken state, the seeds can roll from the periphery to the middle, and the seeds in a rolling state can increase the working efficiency of the device.

As shown in fig. 1, 2, 3 and 4, the transmission assembly 5 includes a motor placing plate 11, a driving motor 12, a rotating rod 13 and a toggle member 14, the motor placing plate 11 is disposed on the outer side wall of the outer screening barrel 3, the driving motor 12 is disposed on the motor placing plate 11, one end of the rotating rod 13 is rotatably disposed on the outer side wall of the outer screening barrel 3, the other end of the rotating rod 13 penetrates through the outer screening barrel 3 and is disposed in the inner screening barrel 1, the toggle member 14 is disposed on the other end of the rotating rod 13, and the output shaft end of the driving motor 12 is connected with the output shaft end of the driving motor 12; the driving motor 12 is started, the driving motor 12 rotates to drive the rotating rod 13 to rotate, the rotating rod 13 rotates to drive the stirring piece 14 to rotate, and the stirring piece 14 drives the screen cloth 10 to move up and down to perform screening under the assistance of the return spring 9.

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, a first through hole 15 is formed on the screen mesh 10, a second through hole 16 is formed on the side wall of the inner screening barrel 1, and the aperture of the second through hole 16 is larger than that of the first through hole 15; the arrangement of different aperture sizes ensures that the seeds are separated from the broken stones and the skin scraps in the seeds.

As shown in fig. 1, 2, 3 and 4, a sliding door 17 is slidably arranged on the outer side wall of the collection chamber 2, and a handle 18 is arranged on the sliding door 17; the handle 18 is pulled, and the handle 18 drives the sliding door 17 to move, so that the screened seeds can be taken out conveniently.

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, a feed inlet 19 is arranged on the outer upper wall of the outer screening barrel 3, and a feeding valve 20 is rotatably arranged on the feed inlet 19; the feed valve 20 is opened to facilitate the introduction of seeds at the feed port 19.

As shown in fig. 3, the screen 10 is provided in an elastic material.

As shown in fig. 3, a sewage draining outlet 21 is arranged on the bottom wall of the collecting cavity 2.

As shown in figure 1, the outer bottom wall of the collection chamber 2 is provided with support legs 22.

During the specific use, open charging valve 20, throw into interior screening bucket 1 through feed inlet 19 on the outer screening bucket 3 with the wheat seed that needs the screening and filter in, the seed can fall on screen cloth 10, and through the screening of screen cloth 10, rubble and the dander that the internal diameter is less than the wheat seed can directly fall through-hole 15 and discharge this device, and the wheat seed then can pass through in the two 16 entering collection chambeies of through-hole of interior screening bucket 1 lateral wall.

In the using process, the driving motor 12 is always in an open state, the driving motor 12 rotates to drive the rotating rod 13 to rotate, the rotating rod 13 rotates to drive the stirring piece 14 to rotate, under the assistance of the return spring 9, the stirring piece 14 drives the screen cloth 10 to move up and down to carry out screening, when the stirring piece 14 rotates to be in contact with the control rod 8, the stirring piece 14 can drive the control rod 8 to slide along the direction of the support rod 7, the return spring 9 contracts, and the control rod 8 can change the protruding state of the screen cloth 10 into the recessed state when sliding; when stirring 14 and bracing piece 7 separation, the control lever 8 returns under reset spring 9's effect, drives screen cloth 10 simultaneously and changes back protruding state from sunken state, and when screen cloth 10 was in protruding state, the seed rolled around to in the middle of screen cloth 10, and when screen cloth 10 was in sunken state, the seed can be followed all around and rolled to the centre for seed in this device keeps around to in the centre, from the reciprocating motion in the centre all around, guarantees the work efficiency of this device.

When the screening is finished, the handle 18 is pulled, the handle 18 drives the sliding door 17 to move, and the screened seeds can be taken out.

Claims

1. The utility model provides a seed sieving mechanism, includes collecting chamber (2), interior screening bucket (1) and outer screening bucket (3), and collecting chamber (2) are located between screening bucket (1) and outer screening bucket (3), its characterized in that: the screening barrel is characterized by further comprising a screening assembly (4) and a transmission assembly (5), wherein the screening assembly (4) is located inside the inner screening barrel (1) and comprises a bottom plate (6), a supporting rod (7), a control rod (8), a reset spring (9) and a screen (10), the transmission assembly (5) comprises a motor placing plate (11), a driving motor (12), a rotating rod (13) and a stirring piece (14), and the stirring piece (14) is located right above the control rod (8).

2. The seed screening apparatus of claim 1, wherein: in screening bucket (1) was located in bottom plate (6), on bottom plate (6) was located to bracing piece (7) one end, on bracing piece (7) other end was located in the slip of control lever (8) one end, on bottom plate (6) was located to reset spring (9) one end, other end connection control pole (8), screening bucket (1) wall in screen cloth (10) edge fixed connection, middle fixed connection control pole (8), can slide along with control pole (8) and carry out the up-and-down motion.

3. The seed screening apparatus of claim 1, wherein: the driving motor (12) is arranged on the motor placing plate (11), the motor placing plate (11) is arranged outside the outer screening barrel (3), one end of the rotating rod (13) is fixedly connected with the stirring piece (14), and the other end of the rotating rod penetrates through the wall of the inner screening barrel and the wall of the outer screening barrel to be connected with the driving motor (12).

4. The seed screening apparatus of claim 1, wherein: the screen (10) is provided with a first through hole (15), the wall of the inner screening barrel (1) is provided with a second through hole (16), and the aperture of the second through hole (16) is larger than that of the first through hole (15).

5. The seed screening apparatus of claim 1, wherein: the outer side wall of the collection cavity (2) is provided with a sliding door (17), and the sliding door (17) is provided with a handle (18).

6. The seed screening apparatus of claim 1, wherein: the outer screening barrel (3) is provided with a feed inlet (19), and the feed inlet (19) is rotatably provided with a feeding valve (20).

7. The seed screening apparatus of claim 1, wherein: a sewage draining outlet (21) is arranged at the bottom of the collecting cavity (2).

8. The seed screening apparatus of claim 1, wherein: the bottom of the collection cavity (2) is provided with a support leg (22).