CN221638788U - Rice selecting machine utilizing airflow to select rice - Google Patents

Abstract

The utility model discloses a rice selector utilizing airflow sorting, and belongs to the technical field of rice screening. The utility model discloses a rice selector utilizing airflow sorting, comprising a chassis, a lower hopper, a first collecting trough, a second collecting trough, a third collecting trough and a vent, wherein the upper end of the chassis is provided with a lower hopper, and the left end of the chassis is provided with a first collecting trough and a second collecting trough, wherein the first collecting trough is located at the upper end of the second collecting trough. The utility model solves the problems of low screening efficiency and inability to separate fine impurities in the existing rice selector, and the rice is poured into the interior of the chassis, and the fan is driven to generate leftward wind force, and the airflow is used to blow the rice and impurities to the third filter screen and separated by the third filter screen, and the lighter dust and rice husks fall into the guide plate and are discharged into the interior of the first collecting trough, and the heavier rice slides to the first filter screen through the inclined lower plate under the action of gravity, thereby improving the selectivity of the rice.

Description

A rice cleaning machine utilizing air flow separation

Technical Field

The utility model relates to the technical field of rice screening, in particular to a rice selection machine utilizing airflow sorting.

Background Art

The external structure of rice grains is mainly composed of two parts: the glume (rice husk) and the caryopsis (brown rice). Since impurities are inevitably mixed into the interior of the rice during the processing, the rice needs to be carefully selected.

In the process of rice selection, the following problems often occur:

1. Common rice selection machines can generally only screen the rice once, and the screening effect is poor, which reduces the overall quality of the finished product to a certain extent;

2. Common rice selection machines have difficulty separating fine impurities such as dust during the screening process, resulting in the selected rice being mixed with a lot of rice husks, dust and other impurities, affecting the quality of the rice and processing efficiency.

Utility Model Content

The utility model aims to provide a rice selector utilizing airflow sorting, which is practical, simple, and has the functions of airflow sorting and multi-stage screening to solve the above-mentioned problems.

To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rice selection machine utilizing airflow sorting, comprising a chassis, a lower hopper, a first collecting trough, a second collecting trough, a third collecting trough and a vent, wherein the upper end of the chassis is provided with a lower hopper, the left end of the chassis is provided with a first collecting trough and a second collecting trough, the first collecting trough is located at the upper end of the second collecting trough, the right end of the chassis is provided with a third collecting trough and a vent, the vent is located at the upper end of the third collecting trough, a fan is provided inside the vent, a lowering plate, a first filter screen and a second filter screen are provided inside the chassis, the first filter screen is located at the lower end of the lowering plate, and the second filter screen is located at the lower end of the first filter screen.

Preferably, the chassis is fixedly connected to the discharge hopper, the discharge plate is fixedly connected to the inner wall of the chassis, a third filter is provided at the left end of the discharge plate, the third filter is fixedly connected to the inner wall of the chassis, a guide plate is provided at the lower end of the third filter, and the vent is fixedly connected to the chassis.

Preferably, buffer springs are provided at the lower ends of the first filter and the second filter, and four of them are provided respectively. A fixed block is provided at the lower end of the buffer spring, and the fixed block is fixedly connected to the inner wall of the chassis. A motor is provided at the left end of the chassis, and an eccentric wheel is provided at the output end of the motor.

Preferably, a glass window is provided at the front end of the chassis, a movable plate is provided at the lower end of the glass window, a movable shaft is provided at the lower end of the movable plate, and the movable plate is movably connected to the chassis via the movable shaft.

Compared with the prior art, the beneficial effects of the utility model are as follows:

The utility model discloses a rice selector utilizing air flow sorting. When in use, rice is poured into a machine case, and a fan is driven to generate leftward wind force. The air flow is utilized to blow rice and impurities to a third filter screen and are separated by the third filter screen. Lighter dust and rice husks fall into a guide plate and are discharged into a first collecting tank. Heavier rice slides to the first filter screen through an inclined discharge plate under the action of gravity, thereby improving the selectivity of rice.

The utility model discloses a rice selector utilizing air flow sorting. When in use, a motor is driven to rotate an eccentric wheel to knock a first filter screen and a second filter screen, and a buffer spring is utilized to increase the vibration frequency. Through multiple screening, the quality and processing efficiency of rice are improved.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a perspective view of the entirety of the present invention;

FIG2 is a perspective view of the entire utility model from another angle;

FIG3 is a schematic diagram of the internal structure of the chassis of the present invention;

FIG. 4 is a perspective view of the first filter screen and the second filter screen of the present invention.

In the figure: 1. chassis; 2. discharge hopper; 3. discharge plate; 31. guide plate; 4. first filter; 5. first collecting trough; 6. second collecting trough; 7. motor; 71. eccentric wheel; 8. movable plate; 81. movable shaft; 9. third collecting trough; 10. vent; 11. second filter; 12. fan; 13. buffer spring; 14. fixing block; 15. third filter; 16. glass window.

Implementation

The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

Please refer to Figures 1-4, a rice selector using airflow sorting includes a chassis 1, a lower hopper 2, a first collecting trough 5, a second collecting trough 6, a third collecting trough 9 and a vent 10. The upper end of the chassis 1 is provided with the lower hopper 2, the left end of the chassis 1 is provided with the first collecting trough 5 and the second collecting trough 6, the first collecting trough 5 is located at the upper end of the second collecting trough 6, the right end of the chassis 1 is provided with the third collecting trough 9 and the vent 10, the vent 10 is located at the upper end of the third collecting trough 9, a fan 12 is arranged inside the vent 10, a lowering plate 3, a first filter 4 and a second filter 11 are arranged inside the chassis 1, the first filter 4 is located at the lower end of the lowering plate 3, the second filter 11 is located at the lower end of the first filter 4, When in use, rice is poured into the lower hopper 2, and the fan 12 is driven. Protective nets are arranged before and after the vent 10. The fan 12 generates wind force to the left to blow the falling rice to the third filter screen 15. Since dust and peeled rice husks are lighter, the third filter screen 15 is used to separate dust, rice husks and rice. The dust and rice husks fall into the guide plate 31 through the third filter screen 15 and slide into the first collecting tank 5. The heavier rice slides to the first filter screen 4 through the inclined lower plate 3 under the action of gravity. The motor 7 is driven to rotate the eccentric wheel 71, continuously hitting the first filter screen 4 and the second filter screen 11, and the buffer spring 13 is used to increase the vibration frequency to screen the rice into large rice and small rice.

Furthermore, the chassis 1 is fixedly connected to the discharge hopper 2, the discharge plate 3 is fixedly connected to the inner wall of the chassis 1, a third filter screen 15 is arranged at the left end of the discharge plate 3, the third filter screen 15 is fixedly connected to the inner wall of the chassis 1, a guide plate 31 is arranged at the lower end of the third filter screen 15, and the vent 10 is fixedly connected to the chassis 1. When in use, the rice is poured into the interior of the chassis 1, and the fan 12 is driven to generate wind force to the left, and the fallen rice is blown to the surface of the third filter screen 15, and the dust and rice husk in the rice are separated by the third filter screen 15, and the separated dust and rice husk fall into the discharge plate 3, and the discharge plate 3 is inclined to discharge the dust and rice husk into the interior of the first collecting tank 5.

Furthermore, buffer springs 13 are provided at the lower ends of the first filter 4 and the second filter 11, and four of them are provided respectively. A fixed block 14 is provided at the lower end of the buffer spring 13, and the fixed block 14 is fixedly connected to the inner wall of the chassis 1. A motor 7 is provided at the left end of the chassis 1, and an eccentric wheel 71 is provided at the output end of the motor 7. When in use, the motor 7 is driven to drive the eccentric wheel 71 to rotate, and the surfaces of the first filter 4 and the second filter 11 are knocked. The sieve holes of the first filter 4 are larger, and the sieve holes of the second filter 11 are smaller. The rice is screened to distinguish large rice, small rice and small rice. Multiple screening is performed to improve the sorting effect.

Furthermore, a glass window 16 is provided at the front end of the chassis 1, a movable plate 8 is provided at the lower end of the glass window 16, a movable shaft 81 is provided at the lower end of the movable plate 8, and the movable plate 8 is movably connected to the chassis 1 via the movable shaft 81. By providing the glass window 16, the internal situation of the chassis 1 can be observed in real time to improve work efficiency. When collecting small rice, the movable plate 8 is pulled and the movable shaft 81 is used to movably open the movable plate 8.

Working principle: The utility model is a rice selection machine utilizing air flow sorting. First, the rice is poured into the lower hopper 2, and the fan 12 is driven to generate leftward wind force to blow the rice and impurities to the surface of the third filter screen 15. Because dust and rice husks are lighter and rice is heavier, the dust and rice husks are separated by the third filter screen 15, fall into the guide plate 31 and slide to the first collecting trough 5. The rice continues to slide to the first filter screen 4 through the lower plate 3, and then the motor 7 is driven to rotate the eccentric wheel 71 to knock the surfaces of the first filter screen 4 and the second filter screen 11. By setting the buffer spring 13, the vibration frequency of the first filter screen 4 and the second filter screen 11 is increased to achieve a better screening effect, and the rice is screened into three categories, namely large rice, smaller rice and small rice.

Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims (4)

1. The utility model provides an utilize air current to select separately corn selection machine, includes quick-witted case (1), lower hopper (2), first collecting vat (5), second collecting vat (6), third collecting vat (9) and vent (10), its characterized in that: the novel automatic feeding machine is characterized in that a discharging hopper (2) is arranged at the upper end of the machine case (1), a first collecting tank (5) and a second collecting tank (6) are arranged at the left end of the machine case (1), the first collecting tank (5) is located at the upper end of the second collecting tank (6), a third collecting tank (9) and a ventilation opening (10) are arranged at the right end of the machine case (1), the ventilation opening (10) is located at the upper end of the third collecting tank (9), a fan (12) is arranged in the ventilation opening (10), a discharging plate (3), a first filter screen (4) and a second filter screen (11) are arranged in the machine case (1), the first filter screen (4) is located at the lower end of the discharging plate (3), and the second filter screen (11) is located at the lower end of the first filter screen (4).

2. A rice harvester utilizing air flow for sorting as recited in claim 1, wherein: the machine box is characterized in that the machine box (1) is fixedly connected with the discharging hopper (2), the discharging plate (3) is fixedly connected with the inner wall of the machine box (1), a third filter screen (15) is arranged at the left end of the discharging plate (3), the third filter screen (15) is fixedly connected with the inner wall of the machine box (1), a material guide plate (31) is arranged at the lower end of the third filter screen (15), and the ventilation opening (10) is fixedly connected with the machine box (1).

3. A rice harvester utilizing air flow for sorting as recited in claim 1, wherein: the novel filter screen comprises a machine case (1), and is characterized in that buffer springs (13) are arranged at the lower ends of a first filter screen (4) and a second filter screen (11), four buffer springs (13) are arranged at the lower ends of the buffer springs (13), a fixed block (14) is fixedly connected with the inner wall of the machine case (1), a motor (7) is arranged at the left end of the machine case (1), and an eccentric wheel (71) is arranged at the output end of the motor (7).

4. A rice harvester utilizing air flow for sorting as recited in claim 1, wherein: the front end of the case (1) is provided with a glass window (16), the lower end of the glass window (16) is provided with a movable plate (8), the lower end of the movable plate (8) is provided with a movable shaft (81), and the movable plate (8) is movably connected with the case (1) through the movable shaft (81).