CN210701099U - Rice processing sieving mechanism - Google Patents

Abstract

The utility model discloses a rice processing and screening device, which comprises a box body, the upper end of the box body is provided with a rice inlet, a vibration screening mechanism is arranged in the box below the rice inlet, and a dust removal fan is arranged under the sieve plate in the vibration screening mechanism The upper part of the dust removal air duct is respectively connected to the bottom of the first funnel and the second funnel, and the bottom of the dust removal air duct is respectively provided with a first rice outlet pipe and a second rice outlet pipe, the first rice outlet pipe and the second rice outlet pipe. Below are the first collection box and the second collection box. Pulleys are installed on both sides of the bottom of the first collection box and the second collection box. The pulleys are placed on the long guide rails. The long guide rails are installed at the bottom of the box body. A box door is opened at the lower end of the side, and a short guide rail matched with the long guide rail is installed on the inner side of the lower part of the box door. The utility model has a reasonable and novel structure, can remove impurities such as rice fine powder and dust, is convenient to recycle the rice or clean the collection box, and saves time and effort.

Description

A rice processing and screening device

technical field

The utility model belongs to the technical field of rice processing, in particular to a rice processing and screening device.

Background technique

With the improvement of my country's living standards, the people's material requirements have gradually changed from quantity to quality. Nearly 60% of the population in our country eats rice as the staple food. Therefore, rice is the most important food resource in China, and the people have higher and higher requirements for the nutritional value of rice.

During rice processing, rice with different particle sizes needs to be screened and separated. The existing screening method is mainly filtered by vibrating screen. The cost of vibrating screen is high and the volume is large, which increases production for small rice processing plants. the cost of.

The utility model patent with the authorization announcement number CN 207170233 U provides a rice processing and screening device, including a box body, a feeding hopper is installed on the top of the box body, a support plate is fixed on one side wall of the inner side of the box body, and the inner part of the box body is far away from the support A motor seat is fixed on one side of the plate, a driving motor is installed on the motor seat, a first connecting plate is fixed on the side of the bottom of the filter screen close to the cam, a spring is fixed on the top of the first connecting plate, and a second connecting plate is fixed on the lower end of the spring. connecting plate, and the second connecting plate is placed on the top of the cam, the side of the inner bottom of the filter screen away from the first connecting plate is fixed with a slide plate that is arranged obliquely, and the side of the bottom surface of the filter screen close to the slide plate is installed with a first filter screen A second filter screen is installed on the side of the filter screen away from the slide plate, and a first collection box and a second collection box are arranged at the inner bottom of the box body. The filter screen swings up and down, the rice falls on the sliding plate, the rice first passes through the first filter screen, the rice with small particle size falls into the first collection box at this time, and the remaining larger rice falls into the second collection box, the utility model Reasonable structure, novel structure, suitable for small-scale screening, low equipment cost, continuous screening, high screening efficiency, suitable for promotion.

But the above-mentioned utility model patent still has shortcomings: 1. Impurities such as rice fine powder and dust cannot be removed in the process of rice grains being unloaded through the filter screen, and the rice quality is difficult to guarantee when mixed in the rice. 2. The first collection box and the second collection box are set at the bottom of the box and cannot be moved. When recycling rice or cleaning the collection box, the operation is troublesome, time-consuming and labor-intensive.

Utility model content

Aiming at the deficiencies in the prior art, the utility model provides a rice processing and screening device, which has a reasonable and novel structure, can remove impurities such as rice fine powder and dust, is convenient to recycle rice or clean the collection box, and saves time and effort.

The utility model is realized through the following technical solutions: a rice processing and screening device, comprising a box body, a rice inlet is arranged at the upper end of the box body, and a vibration screening mechanism is arranged in the box below the rice inlet, wherein the vibration screening mechanism is The first screen and the second screen are respectively installed on the screen plate from left to right, the lower part of the first screen and the second screen are respectively provided with a first funnel and a second funnel, and the bottom of the screen is A dust removal duct is provided, one end of the dust removal duct is connected to the fan through the box body, and the other end is connected to the collection bag through the box body, and the upper part of the dust removal duct is connected to the first funnel and the first hopper respectively. The bottom of the second funnel and the bottom of the dust removal air duct are respectively provided with a first rice outlet pipe and a second rice outlet pipe. Below the first rice outlet pipe and the second rice outlet pipe are the first collection box and the second collection box. There are pulleys installed on both sides of the bottom of the first collection box and the second collection box. The pulleys are placed on long guide rails, and the long guide rails are installed on the bottom of the box body. A box door is opened at the lower end of the side, and the bottom end of the lower part of the box door is hinged with the bottom end of the box body through a rotating shaft. The bottom end of the upper part of the box door is hinged with the top end of the lower part of the box door through a rotating shaft.

Further, opposite sides of the first collection box and the second collection box are welded together, and an arc-shaped handle is welded on one side of the second collection box.

Further, limit blocks are respectively provided at the separated ends of the long guide rail and the short guide rail.

Further, a groove is formed on the top side wall of the upper part of the box door, a plug is installed on the side wall of the box body, and the plug pin is inserted into the groove to fasten the box door and the box body.

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

1. The utility model adopts the design of a dust removal air duct. One end of the dust removal air duct is connected to a fan, and the other end is connected to a collection bag. The wind generated by the fan blows impurities such as rice fine powder and dust into the collection bag to ensure the quality of the rice.

2. In the present invention, pulleys are respectively installed on both sides of the bottom of the first collection box and the second collection box, long guide rails are installed at the bottom of the box body, and short guide rails matching the long guide rails are installed on the inner side of the lower part of the box door. The pulley slides on the long guide rail and the short guide rail. When it is necessary to recycle the rice or clean the collection box, just open the box door and lay it on the ground. The long guide rail and the short guide rail form a complete guide rail, and the staff adopts the hook rod. Pull the curved handle to pull the first collection box and the second collection box out of the box, which is convenient and quick, saving time and effort.

Description of drawings

Figure 1 is a schematic structural diagram of the present invention.

In the attached drawings: 1. Box body; 2. Rice inlet; 3. Vibration screening mechanism; 4. Sieve plate; 5. First screen; 6. Second screen; 7. First funnel; 8. Second Funnel; 9. Dust removal duct; 10. Fan; 11. Collection bag; 12. The first rice outlet pipe; 13. The second rice outlet pipe; 14. The first collection box; 15. The second collection box; 16. Pulley ; 17. Long rail; 18. Box door; 181. Groove; 19. Short rail; 20. Arc handle; 21. Limit block; 22. Latch.

Detailed ways

As shown in FIG. 1 in the accompanying drawings, a rice processing and screening device includes a box body 1, the upper end of the box body 1 is provided with a rice inlet 2, and a vibration screening mechanism 3 is arranged in the box body 1 below the rice inlet 2, The first screen 5 and the second screen 6 are respectively installed on the screen plate 4 in the vibration screening mechanism 3 from left to right, and the lower part of the first screen 5 and the second screen 6 are respectively provided with a first funnel 7 and a second screen. In the second funnel 8, a dedusting air duct 9 is arranged under the sieve plate 4. One end of the dedusting air duct 9 passes through the box body 1 to connect to the fan 10, and the other end passes through the box body 1 to connect to the collection bag 11. The upper part of the dedusting air duct 9 is respectively Connect the bottom of the first funnel 7 and the second funnel 8, the bottom of the dust removal air duct 9 is respectively provided with a first rice outlet pipe 12 and a second rice outlet pipe 13, below the first rice outlet pipe 12 and the second rice outlet pipe 13 For the first collection box 14 and the second collection box 15, pulleys 16 are installed on both sides of the bottom of the first collection box 14 and the second collection box 15. The pulleys 16 are placed on the long guide rails 17, and the long guide rails 17 are installed on the box body. At the bottom of the box 1, a box door 18 is opened at the lower end of one side of the box body 1. The bottom end of the lower part of the box door 18 is hinged with the bottom end of the box body 1 through a rotating shaft. The bottom end of the upper part of the box door 18 is hinged with the top part of the lower part of the box door 18 through the rotating shaft with the matching short guide rail 19 .

The opposite sides of the first collection box 14 and the second collection box 15 are welded together, and one side of the second collection box 15 is welded with an arc-shaped handle 20 .

Limiting blocks 21 are respectively provided at the separated ends of the long guide rail 17 and the short guide rail 19 .

A groove 181 is formed on the top side wall of the upper part of the box door 18 . The side wall of the box body 1 is provided with a pin 22 , and the pin 22 is inserted into the groove 181 to fasten the box door 18 and the box body 1 .

The rice enters the sieve plate 4 in the vibrating screening mechanism 3 from the rice inlet 2, slides to the first screen 5 and the second screen 6 on the sieve plate 4 from left to right, and passes through the vibration of the vibrating mechanism (vibration mechanism). An output gear is installed through the output shaft of the drive motor, the output gear is meshed with an intermediate gear, the intermediate gear is meshed with an input gear, the input gear is installed on the side of the cam, and the drive motor drives the cam to rotate in a circle. Because the cam is irregular in shape, Therefore, the sieve plate swings up and down), the rice of different particle sizes is sieved through the first screen 5 and the second screen 6 and falls into the first funnel 7 and the second funnel 8, and then falls into the dust removal duct 9, During the process of falling from the dust removal air duct 9 to the first rice outlet pipe 12 and the second rice outlet pipe 13, the wind generated by the fan 10 (the wind speed can be adjusted by the fan, and the fan frequency can be adjusted) will mix the rice fine powder mixed in the rice. Impurities such as dust that cannot be removed by sieving are blown into the collection bag to ensure the quality of the rice, and the rice falls into the first collection box 14 and the second collection box 15 through the first rice outlet pipe 12 and the second rice outlet pipe 13; When reclaiming rice or cleaning the collection box, open the box door 18 and lay it on the ground, install the long rail 17 at the bottom of the box 1 and the short rail 19 installed inside the lower part of the box door 18 that matches the long rail 17 To form a complete guide rail, the staff uses the hook rod to pull the arc handle 20 and slide the first collection box 14 and the second collection box 15 out of the box body 1 through the pulley 16 on the guide rail, which is convenient, quick, time-saving and labor-saving.

One end of the long guide rail 17 and the short guide rail 19 that are separated from each other is provided with a limiting block 21 respectively, which can prevent the first collection box 14 and the second collection box 15 from sliding out of the guide rails.

To sum up, it is only a preferred embodiment of the present invention, and is not used to limit the scope of the present invention. All shapes, structures, features and spirits described in the scope of the claims of the present invention are equal Changes and modifications should be included within the scope of the claims of the present invention.

Claims (4)

1. A rice processing and screening device, comprising a box body (1), the upper end of the box body (1) is provided with a rice inlet (2), and a vibration screening mechanism is provided in the box body (1) below the rice inlet (2) (3), characterized in that a first screen (5) and a second screen (6) are respectively installed on the screen plate (4) in the vibration screening mechanism (3) from left to right, and the first screen (5) and the second screen (6) are respectively installed on the screen plate (4) from left to right. The lower part of the first screen (5) and the second screen (6) are respectively provided with a first funnel (7) and a second funnel (8), and a dust removal air duct (9) is provided under the screen plate (4), One end of the dust removal air duct (9) is connected to the fan (10) through the box body (1), and the other end is connected to the collection bag (11) through the box body (1). ) is connected to the bottom of the first funnel (7) and the second funnel (8) respectively, and the bottom of the dust removal air duct (9) is respectively provided with a first rice outlet pipe (12) and a second rice outlet pipe (13), a first collection box (14) and a second collection box (15) are located below the first rice outlet pipe (12) and the second rice outlet pipe (13), and the first collection box (14) Pulleys (16) are installed on both sides of the bottom of the second collection box (15), the pulleys (16) are placed on long guide rails (17), and the long guide rails (17) are installed on the box body (1). ), a box door (18) is provided at the lower end of one side of the box body (1), and the bottom end of the lower part of the box door (18) is hinged with the bottom end of the box body (1) through a rotating shaft A short guide rail (19) matching the long guide rail (17) is installed on the inner side of the lower part of the box door (18), and the bottom end of the upper part of the box door (18) is connected to the box through a rotating shaft The top of the lower part of the door (18) is hinged. 2. A rice processing and screening device according to claim 1, characterized in that: the opposite sides of the first collection box (14) and the second collection box (15) are welded together, and the second collection box (15) is welded together. An arc-shaped handle (20) is welded on one side of the collecting box (15). 3 . The rice processing and screening device according to claim 1 , characterized in that: limiting blocks ( 21 ) are respectively provided at the separated ends of the long guide rail ( 17 ) and the short guide rail ( 19 ). 4 . 4. A rice processing and screening device according to claim 1, wherein a groove (181) is provided on the top side wall of the upper part of the box door (18), and the box body (1) is A plug (22) is installed on the side wall, and the plug (22) is inserted into the groove (181) to fasten the box door (18) and the box body (1).

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