CN213468645U

CN213468645U - Screening device for crop seeds

Info

Publication number: CN213468645U
Application number: CN202021919809.1U
Authority: CN
Inventors: 单俊
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2021-06-18
Anticipated expiration: 2030-09-07

Abstract

The utility model discloses a screening device for crop seeds, which belongs to the field of processing and processing of crop seeds, and comprises a screening box and an inlet pipe, wherein the bottom end of the inlet pipe is communicated with the inside of the screening box, the lower end of the inlet pipe is provided with a dust suction pipe, a first screen is arranged at the joint of the inlet pipe and the dust suction pipe, the left end of the dust suction pipe is provided with a dust suction device, a second screen and a third screen are arranged inside the screening box, the outer wall of the screening box is coated with a silencing shell, the scheme is provided with the dust suction device and the first screen at the inlet pipe, when absorbing and removing dust in crop seeds, small grains, broken grains, grass seeds and other smaller sundries of smaller grains are screened out, and then the following devices such as the second screen and the third screen are matched to screen out sundries of larger grains, and finally seeds meeting the requirements are obtained, and the noise that the amortization shell can effectively reduce the sieving mechanism and produce protects the surrounding environment.

Description

Screening device for crop seeds

Technical Field

The utility model relates to a crops seed processing technology field, more specifically say, relate to a be used for crops seed sieving mechanism.

Background

China is a developing country mainly based on agriculture, which is the basis of national economy, particularly in a large population country in China, grain is irreplaceable strategic material and is related to national people, and the production quality and yield of grain directly influence the life, economic construction and social stability of the national people.

The seeds of the crops need to be screened before the crops are planted, and small grains, broken grains, grass seeds with larger grains and sundries are removed, so that the seeds for sowing can achieve uniform and consistent grain sizes, the seedlings are ensured to be neat and consistent, and the crops grow robustly.

However, when screening is carried out on the existing crop seeds, manual screening is usually carried out by manually utilizing a screen, a large amount of dust is generated in the screening process, and the harm is caused to the health of workers; meanwhile, the screening efficiency is not good enough; in addition, the conventional screening apparatus generates a large noise during operation, and if the noise is not muffled, the surrounding environment is seriously affected.

Therefore, the crop seed screening device is provided for effectively solving the problems of dust and noise in the prior art.

Disclosure of Invention

1. Technical problem to be solved

To the problem that exists among the prior art, an object of the utility model is to provide a be used for crops seed sieving mechanism, this scheme is through setting up dust extraction and first screen cloth in inlet pipe department, when absorbing the dust in the crops seed and clear away, also to the granule of the less granule of mixing in the crops seed, broken grain, grass seed and other less debris are sieved off, deuterogamy subsequent second screen cloth, devices such as third screen cloth and electric telescopic handle sieve the debris of great granule, finally acquire to accord with the qualified seed of planting requirement, and can effectively reduce the noise that this device produced through the cladding at the outside amortization shell of screening case, this device can be when effectively realizing dustproof effect, also can effective noise reduction, protect the surrounding environment.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A screening device for crop seeds comprises a screening box and an inlet pipe fixedly connected to the left end of the screening box, the bottom end of the inlet pipe is communicated with the inside of the screening box, a feeding funnel is fixedly connected to the top end of the inlet pipe, a dust suction pipe is fixedly connected to the lower end of the outer side of the inlet pipe, a first screen is fixedly connected between the inlet pipe and the dust suction pipe, a first slag discharge port is formed in the bottom end of the dust suction pipe, a dust suction device is fixedly connected to the side wall of the left end of the dust suction pipe, a dust accumulation box is fixedly connected to the left end of the dust suction device, a second screen and a third screen are slidably connected to the inside of the screening box, the second screen is located on the upper side of the third screen, two electric telescopic rods are fixedly connected to the front inner wall and the rear inner wall of the screening box, and the telescopic ends of the four electric telescopic, the cladding has the amortization shell on the lateral wall of screening case, this scheme is through setting up dust extraction and first screen cloth at the inlet pipe lower extreme, when absorbing the dust in the crops seed and drive, also to the granule of the less granule of mixing in the crops seed, broken grain, grass seed and other less debris are sieved out, deuterogamy subsequent second screen cloth, devices such as third screen cloth and electric telescopic handle sieve out the debris of great granule, finally acquire to accord with the qualified seed of planting requirement, and can effectively reduce the noise that the sieving mechanism produced through the cladding at the amortization shell of screening case outside, this device can be when effectively realizing dustproof effect, also can effective noise abatement, protect the surrounding environment.

Further, the bottom of screening case is equipped with second sediment material discharge port, second sediment material discharge port is the toper funnel structure, be equipped with the discharge gate corresponding with the left end position of third screen cloth on the lower extreme left side wall of screening case, be equipped with the third sediment material discharge port corresponding with the right-hand member position of second screen cloth on the right-hand member lateral wall of screening case, set up corresponding discharge port respectively through low side, left end, the right-hand member at the screening case, can conveniently collect qualified crops seed to can realize the sediment material classification who will select and discharge, also be favorable to follow-up recycle to the sediment material.

Further, inlet pipe, discharge gate, first slag charge discharge port, third slag charge discharge port all are equipped with the valve, through a plurality of valves, can effectively realize under the condition that does not influence feeding and ejection of compact, strengthen the leakproofness of this device to effectively realize the dustproof noise reduction effect of device.

Further, the inlet pipe has the feed control valve with feed hopper kneck sliding connection, the left end fixedly connected with dust filter plate of dust accumulation case can effectively control the input speed through the feed control valve, prevents that the screening incasement portion from appearing blockking up, and the dust accumulation case can be effectual collects the dust that dust extraction absorb in the dust accumulation case with dust filter plate's mating reaction, effectively realizes the dustproof effect of this device.

Further, the second screen cloth all inclines to set up with the third screen cloth, contained angle between second screen cloth and the third screen cloth is 30-45, the equal fixedly connected with striker plate in upper end both sides of second screen cloth and third screen cloth, the one end fixedly connected with who is close to the second screen cloth of third sediment material discharge port is sieved the baffle again, the striker plate can effectively guarantee crops seed and other debris and at the effective screening within range motion of second screen cloth and third screen cloth, guarantees the screening effect of device, the setting of sieving the baffle again can prevent that the crops seed that does not smoothly pass through the second screen cloth is directly discharged to can continue to be sieved along with the up-and-down reciprocating motion of second screen cloth, thereby guarantee the screening effect.

Further, a plurality of damping device of bottom fixedly connected with of screening case, it is a plurality of damping device's the equal fixedly connected with stabilizer blade in damping device's bottom through set up damping device between screening case and a plurality of stabilizer blade, can cooperate the noise that the amortization shell further reduced this device and produced, effectively protects the surrounding environment.

3. Advantageous effects

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

(1) this scheme sets up dust extraction and first screen cloth through the lower extreme at the inlet pipe, when absorbing the dust to clearing away in the crops seed, also to the granule of the less granule of mixing in the crops seed, broken grain, grass seed and other minimum debris screen out, subsequent second screen cloth of deuterogamying, devices such as third screen cloth and electric telescopic handle screen out the debris of great granule, finally acquire to accord with the qualified seed of planting requirement, and can effectively reduce the noise that the sieving mechanism produced through the cladding at the outside amortization shell of screening case, this device can be when effectively realizing dustproof effect, also can effective noise reduction, protect the surrounding environment.

(2) The bottom of screening case is equipped with second sediment material discharge port, second sediment material discharge port is the toper funnel structure, be equipped with the discharge gate corresponding with the left end position of third screen cloth on the lower extreme left side wall of screening case, be equipped with the third sediment material discharge port corresponding with the right-hand member position of second screen cloth on the right-hand member lateral wall of screening case, through the low side at the screening case, the left end, the right-hand member sets up corresponding discharge port respectively, can conveniently collect qualified crops seed, and be favorable to the categorised discharge of sediment material of will selecting, also be favorable to follow-up recycle to the sediment material.

(3) Inlet pipe, discharge gate, first slag charge discharge port, third slag charge discharge port all are equipped with the valve, through a plurality of valves, can effectively realize under the condition that does not influence feeding and the ejection of compact, strengthen this device's leakproofness to effectively realize this device's dustproof noise reduction effect.

(4) The inlet pipe has the feeding control valve with feeding funnel kneck sliding connection, and the left end fixedly connected with of dust accumulation case strains the dirt board, can effectively control the input speed through the feeding control valve, prevents to screen incasement portion and appears blockking up, and the dust accumulation case can be effectual collects the dust that dust extraction absorbs in the dust accumulation case with the mating action of straining the dirt board, effectively realizes the dustproof effect of this device.

(5) The second screen cloth and the equal slope setting of third screen cloth, contained angle between second screen cloth and the third screen cloth is 30-45, the equal fixedly connected with striker plate in upper end both sides of second screen cloth and third screen cloth, the one end fixedly connected with who is close to the second screen cloth of third sediment material discharge port is sieved the baffle again, the striker plate can effectively guarantee crops seed and other debris and at the effective screening within range motion of second screen cloth and third screen cloth, guarantee the screening effect of this device, sieve the baffle again and can prevent that the crops seed that does not pass through the second screen cloth smoothly by direct discharge, and can make the crops seed that does not pass through the second screen cloth smoothly can be screened once more, thereby guarantee the screening effect.

(6) A plurality of damping device of bottom fixedly connected with of screening case, a plurality of damping device's the equal fixedly connected with stabilizer blade in bottom, through set up damping device between screening case and a plurality of stabilizer blade, can cooperate the noise that the amortization shell further reduces this device and produce, effectively protects the surrounding environment.

Drawings

FIG. 1 is a cross-sectional view of the present invention;

FIG. 2 is a side cross-sectional view of the present invention;

fig. 3 is a perspective view of the joint of the second screen and the third screen according to the present invention.

The reference numbers in the figures illustrate:

the device comprises a screening box 1, a supporting leg 2, a feeding pipe 3, a feeding hopper 4, a feeding control valve 5, a dust suction pipe 6, a first screen 7, a first slag discharge port 8, a dust suction device 9, a dust accumulation box 10, a dust filter plate 11, a second screen 12, a third screen 13, a material baffle 14, an electric telescopic rod 15, a second slag discharge port 16, a discharge port 17, a third slag discharge port 18, a rescreening baffle 19, a silencing shell 20, a damping device 21 and a valve 22.

Detailed Description

The drawings in the embodiments of the present invention will be combined; the technical scheme in the embodiment of the utility model is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the present invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all belong to the protection scope of the utility model.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

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.

Example 1:

referring to fig. 1-3, a screening device for crop seeds, comprising a screening box 1 and a feeding pipe 3 fixedly connected to the left end of the screening box 1, the bottom end of the feeding pipe 3 is communicated with the inside of the screening box 1, the top end of the feeding pipe 3 is fixedly connected with a feeding funnel 4, a feeding control valve 5 is slidably connected to the interface of the feeding pipe 3 and the feeding funnel 4, the feeding speed can be effectively controlled by the feeding control valve 5 to prevent the inside of the screening box 1 from being blocked, the lower end of the outer side of the feeding pipe 3 is fixedly connected with a dust collection pipe 6, a first screen 7 is fixedly connected between the feeding pipe 3 and the dust collection pipe 6, the bottom end of the dust collection pipe 6 is provided with a first slag discharge port 8, a dust collection device 9 is fixedly connected to the side wall of the left end of the dust collection pipe 6, the left end of the dust collection device 9 is fixedly, dust accumulation case 10 and the cooperation of dirt board 11 can be effectual collect the dust that dust extraction 9 absorbed in dust accumulation case 10, effectively realize the dustproof effect of this device, and dust extraction 9 can adopt the dust catcher of the suitable model among the prior art, and this is prior art, does not do here too much to describe repeatedly.

Referring to fig. 1, a second screen 12 and a third screen 13 are slidably connected inside a screening box 1, the second screen 12 is located on the upper side of the third screen 13, the second screen 12 and the third screen 13 are both disposed in an inclined manner, an included angle between the second screen 12 and the third screen 13 is 30-45 °, and more specifically, in this embodiment, the included angle between the second screen 12 and the third screen 13 is 30 °, striker plates 14 are fixedly connected to both sides of the upper ends of the second screen 12 and the third screen 13, a skilled person sets a vertical height of the striker plate 14 according to actual installation conditions, the striker plate 14 can effectively ensure that crop seeds and other impurities move within an effective screening range of the second screen 12 and the third screen 13, so as to ensure a screening effect of the device, a second screen 19 is fixedly connected to one end of the third slag discharge port 18 close to the second screen 12, the rescreening baffle 19 may prevent the crop seeds that do not smoothly pass through the second mesh 12 from being directly discharged, and may allow the crop seeds that do not smoothly pass through the second mesh 12 to be screened again, thereby securing the screening effect.

Please refer to fig. 1, equal two electric telescopic handle 15 of fixedly connected with on the inner wall around screening case 1, the equal fixed connection in both ends around second screen cloth 12 and third screen cloth 13 of flexible end of four electric telescopic handle 15, electric telescopic handle 15 can realize second screen cloth 12 and third screen cloth 13 reciprocating motion from top to bottom in vertical direction, thereby carry out hierarchical screening to the seed, the cladding has amortization shell 20 on screening case 1's the lateral wall, a plurality of damping device 21 of bottom fixedly connected with of screening case 1, the equal fixedly connected with stabilizer blade 2 in bottom of a plurality of damping device 21, through set up damping device 21 between screening case 1 and a plurality of stabilizer blade 2, damping device 21 can select the bumper shock absorber commonly used among the prior art, cooperate amortization shell 20 to further reduce the noise that this device produced, effectively protect the surrounding environment.

It is emphasized that the bottom of the screening box 1 is provided with a second slag material outlet 16, the second slag material outlet 16 is of a cone-shaped funnel structure, the left side wall of the lower end of the screening box 1 is provided with a discharge hole 17 corresponding to the left end of the third screen 13, the right side wall of the screening box 1 is provided with a third slag material outlet 18 corresponding to the right end of the second screen 12, the feed pipe 3, the discharge hole 17, the first slag material outlet 8 and the third slag material outlet 18 are all provided with valves 22, the valves 22 can effectively realize the enhancement of the sealing performance of the device under the condition of not influencing the feeding and discharging, thereby effectively realizing the dustproof and noise reduction effects of the device, the qualified crop seeds can be conveniently collected and the screened slag materials can be discharged in a classified manner by respectively arranging the corresponding discharge holes at the lower end, the left end and the right end of the screening box 1, and is also beneficial to the subsequent recycling of the slag charge.

When the device is used, firstly, the dust suction device 9 and the electric telescopic rod 15 are started, then crop seeds to be screened are put into the feeding hopper 4, the feeding control valve 5 is adjusted to adjust the feeding speed to a proper speed, when the crop seeds pass through the upper part of the first screen 7, most of small grains, broken grains, grass seeds and other small sundries with smaller particles can fall into the dust suction pipe 6 through the first screen 7 and are discharged from the first slag discharge port 8, dust in the feeding material can be sucked into the dust accumulation box 10 under the suction force of the dust suction device 9, the feeding material after primary screening can fall onto the second screen 12, the electric telescopic rod 15 can drive the second screen 12 and the third screen 13 to reciprocate up and down, in the feeding material falling onto the second screen 12, other sundries with larger particles than the crop seeds can be screened out and discharged from the third slag discharge port 18, crop seeds and other small impurities fall above the third screen 13, small granules, broken granules, grass seeds and other impurities with smaller granules are further screened by the third screen 13 and discharged from the second slag material discharge port 12, and qualified crop seeds are discharged from the discharge port 17.

The components adopted in the utility model are all universal standard components or components known by the technicians in the field, and the structure and the principle of the components can be known by the technicians through technical manuals or conventional experimental methods.

The above; is only a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; according to the technical scheme of the utility model and the improvement conception, equivalent substitution or change is carried out; are all covered by the protection scope of the utility model.

Claims

1. The utility model provides a be used for crops seed sieving mechanism, includes inlet pipe (3) of screening case (1) and fixed connection in screening case (1) left end, its characterized in that: the bottom of inlet pipe (3) is linked together with the inside of screening case (1), the top fixedly connected with feed hopper (4) of inlet pipe (3), the outside lower extreme fixedly connected with dust absorption pipe (6) of inlet pipe (3), fixedly connected with first screen cloth (7) between inlet pipe (3) and dust absorption pipe (6), the bottom of dust absorption pipe (6) is equipped with first slag charge discharge port (8), fixedly connected with dust extraction (9) on the left end lateral wall of dust absorption pipe (6), the left end fixedly connected with dust accumulation case (10) of dust extraction (9), the inside sliding connection of screening case (1) has second screen cloth (12) and third screen cloth (13), second screen cloth (12) are located the upside of third screen cloth (13), equal fixedly connected with two electric telescopic handle (15) on the inner wall around screening case (1), four the equal fixed connection in the front and back both ends of second screen cloth (12) and third screen cloth (13) of flexible end of electric telescopic handle (15), the cladding has amortization shell (20) on the lateral wall of screening case (1).

2. A screening apparatus for crop seeds as claimed in claim 1, wherein: the bottom of screening case (1) is equipped with second sediment material discharge port (16), second sediment material discharge port (16) are the toper funnel structure, be equipped with on the lower extreme left side wall of screening case (1) and put corresponding discharge gate (17) with the left end of third screen cloth (13), be equipped with on the right-hand member lateral wall of screening case (1) and put corresponding third sediment material discharge port (18) with the right-hand member of second screen cloth (12) in the position.

3. A screening apparatus for crop seeds as claimed in claim 1, wherein: the feeding pipe (3), the discharge hole (17), the first slag material discharge port (8) and the third slag material discharge port (18) are all provided with valves (22).

4. A screening apparatus for crop seeds as claimed in claim 1, wherein: inlet pipe (3) and feed hopper (4) kneck sliding connection have feeding control valve (5), the left end fixedly connected with dust filter plate (11) of dust accumulation case (10).

5. A screening apparatus for crop seeds as claimed in claim 2, wherein: the second screen cloth (12) and the third screen cloth (13) all incline, the contained angle between second screen cloth (12) and third screen cloth (13) is 30-45, the equal fixedly connected with striker plate (14) in upper end both sides of second screen cloth (12) and third screen cloth (13), one end fixedly connected with double screen baffle (19) that third sediment material discharge port (18) is close to second screen cloth (12).

6. A screening apparatus for crop seeds as claimed in claim 1, wherein: the bottom fixedly connected with a plurality of damping device (21) of screening case (1), it is a plurality of the equal fixedly connected with stabilizer blade (2) in damping device's (21) bottom.