CN216225445U

CN216225445U - Winnowing machine for selecting and removing impurities from seeds

Info

Publication number: CN216225445U
Application number: CN202122729708.9U
Authority: CN
Inventors: 包卫国; 方小雪; 李文博
Original assignee: Ningbo Weimeng Seed Co ltd
Current assignee: Ningbo Weimeng Seed Co ltd
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-04-08
Anticipated expiration: 2031-11-09

Abstract

The utility model relates to a winnowing machine for selecting and removing impurities from seeds, which comprises a rack, wherein a feeding pipe is arranged on the rack, a feeding port is arranged at the upper end of the feeding pipe, a first through hole is arranged on the side wall of the lower end of the feeding pipe, a second through hole is arranged on the rack, a first air blower is arranged in the rack, the first air blower is positioned below the second through hole and blows air towards the second through hole, a mesh screen is arranged on the rack in a sliding manner, and the mesh screen slides between the lower end of the feeding pipe and the second through hole and passes through the first through hole; firstly, sliding the mesh screen to the lower end of the feeding pipe, pouring seeds to be purified from the feeding hole, sliding the mesh screen to the second through hole, starting a first air blower, and blowing impurities such as shriveled seeds and straws in the seeds by the first air blower; with solving among the prior art traditional seed edulcoration mode inefficiency and impurity blow the technical problem on the person easily.

Description

Winnowing machine for selecting and removing impurities from seeds

Technical Field

The utility model relates to the technical field of seed impurity removal, in particular to a winnowing machine for selecting and removing impurities from seeds.

Background

The quality of crop seeds directly influences the germination and survival rate of plants, and in the aspect of agricultural planting, the seeds need to be screened in advance before planting so as to select the seeds with the best quality, so that the high germination rate and the high survival rate of the agricultural planting are ensured, and the yield of crops is improved as much as possible. The vegetable seeds harvested by a single plant are mixed with a plurality of impurities such as shriveled seeds and straws after being harvested, and the seeds need to be carefully selected and purified by a seed mesh screen, namely, the shriveled seeds and the straws are removed. The existing impurity removal mode is that people often stand beside an air blower, shake a mesh screen filled with seeds to be removed by hand, and remove impurities by blowing away the seeds and straw by the air blower by utilizing the characteristics of shrivelled seeds and lighter straw quality. But this kind of edulcoration mode, efficiency is lower, and the air-blower blows impurity to the person easily moreover, perhaps blows impurity everywhere for still need clean after the edulcoration, make to use very inconvenient.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model aims to provide the winnowing machine capable of efficiently removing impurities from seeds.

In order to solve the technical problem, the utility model provides a winnowing machine for selecting and removing impurities from seeds, which comprises a frame, wherein a feeding pipe is arranged on the frame, a feeding hole is formed in the upper end of the feeding pipe, a first through hole is formed in the side wall of the lower end of the feeding pipe, a second through hole is formed in the frame, a first air blower is arranged in the frame, the first air blower is positioned below the second through hole and blows air towards the second through hole, a mesh screen is arranged on the frame in a sliding mode, and the mesh screen slides between the lower end of the feeding pipe and the second through hole and passes through the first through hole.

After adopting the structure, the winnowing machine for selecting and removing impurities of seeds has the following advantages: at first, slide the mesh screen to the inlet pipe lower extreme, pour into from the feed inlet and wait to remove the miscellaneous seed, then slide the mesh screen to second through-hole department, start first air-blower, blow up impurity such as flat seed, straw in the seed by first air-blower, have the efficient advantage, impurity can not blow on one's body the user moreover.

As an improvement, a bracket is arranged on the rack and positioned above the second through hole, a second air blower with a horizontal wind direction is arranged at the upper end of the bracket, and an air outlet is arranged on the upper end surface of the bracket; adopt this kind of structure, first air-blower blows off impurity from the air outlet, and then the second air-blower blows away impurity, prevents in impurity fall-back to the mesh screen.

As an improvement, the frame is provided with an impurity collecting pipe, the impurity collecting pipe is provided with an impurity collecting opening, and the wind direction of the second air blower faces the impurity collecting opening; adopt this kind of structure, be convenient for collect impurity, avoid first air-blower and second air-blower to blow impurity everywhere, can save the process of cleaning.

As an improvement, the lower end of the impurity collecting pipe is detachably provided with a first impurity collecting box; by adopting the structure, the impurities are conveniently cleaned in a unified way.

As an improvement, a cover is arranged on the bracket, and the impurity collecting port and the second blower are positioned in the cover; with this structure, the second blower is further prevented from blowing the impurities everywhere.

As an improvement, the feeding hole is provided with a rotating shaft, and a plurality of eccentric wheels which are arranged at equal intervals are arranged on the rotating shaft; by adopting the structure, if the quantity of seeds poured in at one time is too much, the feed inlet is easy to be blocked, and the feed inlet is prevented from being blocked by rotating the rotating shaft and the eccentric wheel.

As an improvement, a third through hole is arranged on the machine frame, and the feeding pipe is positioned above the third through hole; by adopting the structure, after the seeds enter the feeding pipe and reach the mesh screen, part of small-particle impurities are screened by the mesh screen, and the impurities are prevented from falling into the first air blower.

As an improvement, a second impurity collecting box is detachably arranged in the rack and is positioned below the third through hole; by adopting the structure, the second impurity box can uniformly collect and process small particle impurities.

As an improvement, the air speed of the first air blower is adjustable; by adopting the structure, the device can be suitable for treating seeds with different weights and impurities in the seeds.

Drawings

Figure 1 is a schematic view of the screen of the present invention as a whole when it is located below the feed pipe.

Fig. 2 is a schematic view of the whole of the mesh screen of the present invention when it is located at the second through hole.

Reference numerals: 1. a frame; 2. a feed pipe; 3. a feed inlet; 4. a first through hole; 5. a second through hole; 6. a first blower; 7. a mesh screen; 8. a support; 9. a second blower; 10. an air outlet; 11. an impurity collecting pipe; 12. an impurity collection port; 13. a first impurity collecting box; 14. a cover; 15. a rotating shaft; 16. an eccentric wheel; 17. a third through hole; 18. a second impurity collecting box.

Detailed Description

The air separator for selecting and removing impurities of seeds of the utility model is described in detail with reference to the attached drawings.

As shown in fig. 1 to 2, a winnowing machine for selecting seeds and removing impurities comprises a frame 1, wherein a feeding pipe 2 is arranged on the frame 1, a funnel-shaped feeding port 3 is arranged at the upper end of the feeding pipe 2, a first through hole 4 is arranged on the right side of the side wall of the lower end of the feeding pipe 2, a third through hole 17 is arranged on the frame 1, and the feeding pipe 2 is positioned above the third through hole 17; a second impurity collecting box 18 is detachably arranged in the rack 1, and the second impurity collecting box 18 is positioned below the third through hole 17; the feed inlet 3 is provided with a rotating shaft 15, and a plurality of eccentric wheels 16 which are arranged at equal intervals are arranged on the rotating shaft 15.

The rack 1 is also provided with a second through hole 5, a first air blower 6 with adjustable wind speed is arranged in the rack 1, and the first air blower 6 is positioned below the second through hole 5 and blows air towards the second through hole 5; a mesh screen 7 is arranged on the rack 1 in a sliding manner, and the mesh screen 7 slides between the lower end of the feeding pipe 2 and the second through hole 5 through the first through hole 4; a support 8 is arranged on the rack 1, the support 8 is positioned above the second through hole 5, a second air blower 9 with a horizontal wind direction is arranged at the upper end of the support 8, an air outlet 10 is arranged on the upper end surface of the support 8, and the air outlet 10 and the second through hole 5 are coaxially arranged; the machine frame 1 is provided with an impurity collecting pipe 11, the impurity collecting pipe 11 is provided with an impurity collecting port 12, the wind direction of the second air blower 9 faces the impurity collecting port 12, and the second air blower 9 and the impurity collecting port 12 are positioned at two sides of the air outlet 10; the lower end of the impurity collecting pipe 11 is detachably provided with a first impurity collecting box 13, and the first impurity collecting box 13 and the second impurity collecting box 18 are drawer-type structures. The bracket 8 is provided with a cover 14, and the impurity collecting opening 12 and the second blower 9 are positioned in the cover 14 to prevent the second blower 9 from blowing impurities to all places.

When removing impurities, firstly moving the mesh screen 7 to the lower end of the feeding pipe 2, as shown in the position of fig. 1, then pouring seeds to be removed into the feeding hole 3, and simultaneously rotating the rotating shaft 15 to enable the eccentric wheel 16 to synchronously rotate, scattering the seeds and preventing the seeds from being blocked at the feeding hole 3; the seeds then fall onto the screen 7, whereupon the screen 7 can be shaken to shake off small particles of impurities from the seeds from the screen 7, allowing the impurities to fall into the second impurity collection box 18, preventing the impurities from falling into the first air blower 6; then the mesh screen 7 is moved to the second through hole 5, as shown in fig. 2, the first air blower 6 and the second air blower 9 are started, impurities such as shriveled seeds and straws are blown up by the first air blower 6 and blown out from the air outlet 10, and then the impurities such as shriveled seeds and straws are blown into the impurity collecting port 12 and fall into the first impurity collecting box 13 by the second air blower 9, so that the impurities are prevented from falling back to the mesh screen 7 and are also prevented from being blown everywhere by the air blowers; finally, the first and second

impurity collecting boxes

13 and 18 can be taken out to clean various kinds of impurities.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

Claims

1. The utility model provides a air separator for being directed at choice edulcoration of seed, a serial communication port, including frame (1), be equipped with inlet pipe (2) on frame (1), inlet pipe (2) upper end is equipped with feed inlet (3), is equipped with first through-hole (4) on the lower extreme lateral wall, be equipped with second through-hole (5) on frame (1), be equipped with first air-blower (6) in frame (1), first air-blower (6) are located second through-hole (5) below and orientation second through-hole (5) are bloied, the slip is equipped with mesh screen (7) on frame (1), mesh screen (7) are in inlet pipe (2) lower extreme with between second through-hole (5) and through first through-hole (4) slide.

2. The winnowing machine for seed selection and impurity removal according to claim 1, characterized in that a support (8) is provided on the frame (1), the support (8) is located above the second through hole (5), a second blower (9) with a horizontal wind direction is provided at the upper end of the support (8), and an air outlet (10) is provided at the upper end face of the support (8).

3. A winnowing machine for seed selection and impurity removal according to claim 2, characterized in that a impurity collecting pipe (11) is arranged on the frame (1), an impurity collecting port (12) is arranged on the impurity collecting pipe (11), and the wind direction of the second blower (9) is towards the impurity collecting port (12).

4. A winnowing machine for seed selection and impurity removal according to claim 3, characterized in that a first impurity collecting box (13) is detachably arranged at the lower end of the impurity collecting pipe (11).

5. An air separator for seed concentration and impurity removal according to claim 3, characterized in that a cover (14) is provided on the support (8), and the impurity collection opening (12) and the second blower (9) are located in the cover (14).

6. A winnowing machine for seed selection and impurity removal according to claim 1, characterized in that a rotating shaft (15) is provided at the feed inlet (3), and a plurality of eccentric wheels (16) are provided at equal intervals on the rotating shaft (15).

7. An air separator for the selection and impurity removal of seeds as claimed in claim 1, wherein said frame (1) is provided with a third through hole (17), and said feeding pipe (2) is located above said third through hole (17).

8. An air separator for the selection and impurity removal of seeds as claimed in claim 7, characterized in that a second impurity collecting box (18) is detachably arranged in said frame (1), said second impurity collecting box (18) being located below said third through hole (17).

9. An air separator for seed concentration and impurity removal according to claim 1, characterized in that the air speed of the first blower (6) is adjustable.