CN220277247U

CN220277247U - Rice seed sieving mechanism

Info

Publication number: CN220277247U
Application number: CN202322078820.XU
Authority: CN
Inventors: 王亚男; 范思静
Original assignee: Anhui Jinpeiyin Technology Co ltd
Current assignee: Anhui Jinpeiyin Technology Co ltd
Priority date: 2023-08-03
Filing date: 2023-08-03
Publication date: 2024-01-02
Anticipated expiration: 2033-08-03

Abstract

The utility model discloses a rice seed screening device, which comprises a screening box with an unsealed upper end, wherein a feeding hopper is arranged at one side of the upper end of the screening box, and clear water is contained in the screening box; an overflow groove is formed in the side wall of one side, far away from the feeding hopper, of the screening box, a plurality of stirring rollers are horizontally arranged above the screening box in a rotating mode, all the stirring rollers are connected with a driving mechanism, and a plurality of stirring blades corresponding to the overflow groove are uniformly arranged on the outer side of each stirring roller; the screening box lower extreme is equipped with the collecting hopper, and the collecting hopper lower extreme link up and has seted up delivery port and discharge opening, and is equipped with first filter screen in the delivery port. The utility model has reasonable design and compact structure, effectively ensures the screening effect of rice seeds, can conveniently and respectively discharge qualified and unqualified seeds, effectively ensures the discharge of qualified seeds and the recovery treatment of unqualified seeds, and is convenient for the use of the screening device.

Description

Rice seed sieving mechanism

Technical Field

The utility model relates to the technical field of rice breeding, in particular to a rice seed screening device.

Background

Rice is annual aquatic herb of Gramineae, and China is one of the origin places of rice. The farmland in south China is mainly paddy fields, and the grain crops are mainly paddy rice. Rice is an important cereal widely planted in Asian tropical regions, the south of China is a main rice producing area, and the northern provinces also have planting.

In order to ensure the germination rate of rice breeding, rice seeds need to be screened in advance so as to screen insufficient full seeds and even empty seeds, thereby ensuring good growth of rice and improving the yield of rice.

Most of the existing rice seed screening modes use manual water soaking screening, do not have screening capability for a large number of rice seeds, or screen the rice seeds through a winnowing mode, but the screening capability of the rice seeds which are not full enough is poor.

Disclosure of Invention

The utility model aims to solve the defects that in the prior art, a large number of rice seeds are not provided with screening capability by manually soaking water, or are screened in a winnowing mode, but the screening capability of the rice seeds which are not full enough is poor in the mode, and provides a rice seed screening device.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a rice seed sieving mechanism, includes upper end unclosed screening case, screening case upper end one side is equipped with the feed hopper, the screening incasement holds and has the clear water.

An overflow groove is formed in the side wall of one side, far away from the feeding hopper, of the screening box, a plurality of stirring rollers are horizontally rotated above the screening box and are connected with a driving mechanism, and a plurality of stirring blades corresponding to the overflow groove are uniformly arranged on the outer side of each stirring roller.

The screening box lower extreme is equipped with the collecting hopper, and the collecting hopper lower extreme link up and has seted up delivery port and discharge opening, and is equipped with first filter screen in the delivery port.

Preferably, the screening box is provided with a waste box corresponding to the outer side of the overflow groove, the lower end of the waste box is provided with a water outlet, a second filter screen is arranged in the water outlet, unqualified rice seeds screened by the waste box are collected, and overflowed water is sent out by matching with the second filter screen, so that the subsequent recovery treatment of unqualified rice seeds is facilitated.

More preferably, the lower end of the waste box is provided with a water storage tank, and the upper end of the water storage tank is connected with the water outlet in a penetrating way.

Still more preferably, still be equipped with the water pump bottom the storage water tank, the play water end through connection of water pump has the back flow, and the back flow other end through connection is to screening case lateral wall upper portion.

Preferably, the driving mechanism comprises a driving motor connected with one end of one stirring roller, the driving motor is arranged on the side wall of the screening box through a bracket, the other ends of the stirring rollers are respectively provided with a synchronous wheel, and the synchronous wheels are connected through a synchronous belt.

Compared with the prior art, the utility model has the beneficial effects that:

1. in the utility model, the rice seeds with insufficient plump or even empty shells are sent out through the overflow groove through screening the clean water in the screening box, so that the screening effect on the rice seeds is ensured;

2. in the utility model, when the screening is completed and the discharging is required, the water body is sent out through the water outlet, the water body is filtered by matching with the first filter screen, and the qualified rice seeds are conveniently sent out by matching with the discharging opening after the water body is sent out, so that the discharging effect of the screened rice seeds is ensured.

The utility model has reasonable design and compact structure, effectively ensures the screening effect of rice seeds, can conveniently and respectively discharge qualified and unqualified seeds, effectively ensures the discharge of qualified seeds and the recovery treatment of unqualified seeds, and is convenient for the use of the screening device.

Drawings

Fig. 1 is a schematic view of the appearance structure of the present utility model.

Fig. 2 is a schematic view of the back structure of the present utility model.

Fig. 3 is a schematic cross-sectional view of the structure of the present utility model.

In the figure: screening box 1, hopper 11, collecting hopper 2, delivery port 21, first filter screen 211, discharge opening 22, overflow launder 3, waste bin 4, second filter screen 41, water storage tank 42, water pump 421, return pipe 422, stirring roller 5, stirring blade 51, synchronizing wheel 52, driving motor 53.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-3, a rice seed screening device comprises a screening box 1 with an unsealed upper end, wherein a feeding hopper 11 is arranged on one side of the upper end of the screening box 1, clear water is contained in the screening box 1, the screening box is screened through buoyancy of rice seeds, full rice seeds are subjected to gravity greater than buoyancy and fall on the bottom of the screening box 1, insufficient full seeds or empty shells are subjected to gravity less than buoyancy and float on the upper part of a water surface, and the seeds are conveniently screened;

an overflow groove 3 is formed in the side wall of one side, far away from the feeding hopper 11, of the screening box 1, a plurality of stirring rollers 5 are horizontally arranged above the screening box 1 in a rotating mode, the stirring rollers 5 are connected with a driving mechanism, and a plurality of stirring blades 51 corresponding to the overflow groove 3 are uniformly arranged on the outer side of the stirring rollers 5. Unqualified seeds which conveniently float on the upper part of the water surface flow out along with water flow through the overflow groove 3, and the water flow is stirred by matching with the stirring roller 5 and the stirring blade plate 51, so that the floating rice seeds conveniently flow to one side of the overflow groove 3, and the continuous screening effect of the rice seeds is improved.

The screening box 1 lower extreme is equipped with collection hopper 2, and collection hopper 2 lower extreme link up and has seted up delivery port 21 and discharge opening 22, and is equipped with first filter screen 211 in the delivery port 21, and the full seed of sinking is piled up at collection hopper 2 kinds, cooperates delivery port 21 to send clear water to the qualified rice seed of cooperation discharge opening 22 convenience screening is sent out.

Based on the above technical scheme, when screening rice seeds, the rice seeds are sent into the screening box 1 through the hopper 11, qualified rice seeds sink to enter the collecting hopper 2, unqualified seeds float on the water surface, the cooperation stirring blade plate 51 is stirred to one side of the overflow groove 3 and matched with the overflow groove 3 to send out unqualified seeds, after screening is completed, the water outlet 21 is opened to send out clear water, and after clear water draining is completed, the qualified rice seeds are sent out after screening is completed through the cooperation discharge opening 22.

In this technical scheme, as shown in fig. 1-3, screening case 1 corresponds overflow launder 3 outside and is equipped with waste bin 4, and waste bin 4 lower extreme has been seted up the outlet and is equipped with second filter screen 41 in the outlet, collects the unqualified seed that flows along with the rivers through waste bin 4 to cooperate second filter screen 41 to filter, make things convenient for subsequent recovery processing of unqualified seed.

In this technical scheme, as shown in fig. 1-3, the lower extreme of waste bin 4 is equipped with storage water tank 42, and storage water tank 42 upper end and outlet through connection, collect the water that second filter screen 41 oozes through storage water tank 42, make things convenient for the water of overflow to collect to practice thrift the water source.

In this technical scheme, as shown in fig. 1-3, the bottom of the water tank 42 is further provided with a water pump 421, a water outlet end of the water pump 421 is in through connection with a return pipe 422, the other end of the return pipe 422 is in through connection with the upper portion of the side wall of the screening box 1, and the water body recovered from the water tank 42 is pumped back into the screening box 1 by the water pump 421 for circulation, so as to reduce water resource waste during screening of rice seeds.

In this technical scheme, as shown in fig. 1-3, actuating mechanism includes the driving motor 53 that one of them stirring roller 5 one end is connected, and driving motor 53 passes through the support mounting on screening case 1 lateral wall, and a plurality of stirring roller 5 other ends all are equipped with synchronizing wheel 52, and are connected through the hold-in range between the synchronizing wheel 52, drive stirring roller 5 rotation through driving motor 53 to cooperate hold-in range and synchronizing wheel 52 to drive a plurality of stirring roller 5 and carry out synchronous rotation, guarantee the effect of stirring the water, in order to guarantee the send out effect of unqualified seed.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a rice seed sieving mechanism, includes that the upper end is not confined screening case (1), its characterized in that, screening case (1) upper end one side is equipped with hopper (11), the clear water is held to screening case (1);

an overflow groove (3) is formed in the side wall of one side, far away from the feeding hopper (11), of the screening box (1), a plurality of stirring rollers (5) are horizontally arranged above the screening box (1) in a rotating mode, the stirring rollers (5) are connected with driving mechanisms, and a plurality of stirring blades (51) corresponding to the overflow groove (3) are uniformly arranged on the outer side of the stirring rollers (5);

the screening box (1) lower extreme is equipped with collecting hopper (2), and delivery port (21) and discharge opening (22) have been link up to collecting hopper (2) lower extreme, and are equipped with first filter screen (211) in delivery port (21).

2. The rice seed screening device according to claim 1, wherein a waste box (4) is arranged at the outer side of the screening box (1) corresponding to the overflow groove (3), a water outlet is formed at the lower end of the waste box (4), and a second filter screen (41) is arranged in the water outlet.

3. The rice seed screening device according to claim 2, wherein a water storage tank (42) is arranged at the lower end of the waste bin (4), and the upper end of the water storage tank (42) is connected with the water outlet in a penetrating manner.

4. A rice seed screening device according to claim 3, wherein the bottom of the water storage tank (42) is further provided with a water pump (421), the water outlet end of the water pump (421) is connected with a return pipe (422) in a penetrating manner, and the other end of the return pipe (422) is connected to the upper part of the side wall of the screening tank (1) in a penetrating manner.

5. The rice seed screening device according to claim 1, wherein the driving mechanism comprises a driving motor (53) connected with one end of one stirring roller (5), the driving motor (53) is installed on the side wall of the screening box (1) through a bracket, the other ends of the stirring rollers (5) are respectively provided with a synchronous wheel (52), and the synchronous wheels (52) are connected through synchronous belts.