Rice grading and selecting equipment

Abstract

The utility model is applicable to the technical field of grading and sorting equipment, and provides rice grading and sorting equipment which comprises a grading box and a feeding box, the feeding box is arranged above a feeding port of the grading box, a feeding hopper is arranged at the top end of the feeding box, a plurality of inverted triangular baffles are arranged at the top of an inner cavity of the feeding box, and the inverted triangular baffles are arranged in the grading box. An air inlet is formed in one side of the feeding box, a filter screen is detachably arranged at the air inlet, an air outlet is formed in the other side of the feeding box, a first sieve plate is obliquely arranged in an inner cavity of the grading box, a second sieve plate is obliquely arranged in the inner cavity of the grading box and located below the first sieve plate, and the second sieve plate is arranged below the second sieve plate. According to the rice grading and selecting equipment, the cleanable feeding box enters the grading box for vibration grading, rice can be classified according to the characteristics of size, shape, color and luster and the like, it is ensured that the rice of each grade has relatively consistent quality and characteristics, unqualified rice grains are removed, and food safety can be guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of grading and selecting equipment, in particular to a rice grading and selecting equipment. Background Art

[0002] Rice, also known as rice, is a food made from rice grains after processes such as cleaning, husking, milling, and finished product sorting. Rice is the staple food of people in most parts of China. my country's new national standards have clear provisions on the classification and grading of edible commercial rice. Indica rice and japonica rice are divided into four grades: grade one, grade two, grade three, and grade four. Screening equipment is needed to grade the rice.

[0003] Chinese patent CN202725502U discloses a rice selection and grading device, which is provided with a raw material supply device at the top, an impurity outlet at the bottom, rice outlets of different grades at one side of the shell, a main shaft at the middle of the shell, a screen cylinder at the main shaft, and openings connected to the outlets of rice of different grades at the bottom of the screen cylinder. However, in this technical solution, only the rice is separated from the impurities, which is not conducive to classifying the rice into various grades, and other equipment is required to classify the rice again, which wastes time, personnel and equipment, limits the use of the machine in a wider range of application scenarios, increases the complexity and time cost of production, reduces production efficiency, and increases downtime and cumbersome operation. Utility Model Content

[0004] The utility model provides a rice grading and selecting device, which aims to solve the problem that the rice is only separated from the impurities but is not conducive to classifying the rice into various grades.

[0005] The utility model is implemented as follows: a rice grading and selecting device comprises a grading box and a feed box, wherein the feed box is arranged above the feed port of the grading box, a feed hopper is arranged at the top of the feed box, a plurality of inverted triangular baffles are arranged at the top of the inner cavity of the feed box, the inverted triangular baffles are evenly spaced and staggered up and down, an air inlet is arranged on one side of the feed box, a filter is detachably arranged on the air inlet, an air outlet is arranged on the other side of the feed box, a dust suction component is arranged on the outside of the air outlet, a first sieve plate is obliquely arranged in the inner cavity of the grading box, a second sieve plate is obliquely arranged in the inner cavity of the grading box and located below the first sieve plate, and vibration components are fixedly connected to the surfaces of both sides of the grading box.

[0006] Preferably, the vibration assembly includes a support column, a connecting plate and an elastic support, the connecting plate is fixedly connected to the two side surfaces of the grading box, a plurality of the elastic supports are fixedly connected between the connecting plate and the support column, and a vibration motor is arranged on the outside of the grading box.

[0007] Preferably, a plurality of exhaust ports are provided at the top of the grading box, and a cover plate is detachably provided at the top of the plurality of exhaust ports.

[0008] Preferably, the inner cavity of the grading box is provided with a plurality of cavities, and each of the cavities is connected to a discharge pipe.

[0009] Preferably, the dust collection assembly includes a collection box and a suction fan, the collection box is fixedly connected to the outside of the air outlet, and the suction port of the suction fan is connected to the air outlet of the collection box.

[0010] Preferably, two ends of the feed box are fixedly connected with connection blocks, and the other end of the connection block is fixedly connected with a connection column.

[0011] Beneficial Effects

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: the rice grading and selecting equipment of the utility model can perform vibration grading in a grading box through a cleanable feed box, and can classify rice according to characteristics such as size, shape, color, etc., to ensure that each grade of rice has relatively consistent quality and characteristics. For high-quality rice, its unique quality and characteristics can be highlighted through grading and labeling, thereby increasing the added value of the product and helping to obtain a higher selling price. Unqualified or contaminated rice grains can be removed during the rice grading process, which helps to ensure food safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model in a side cross-section view;

[0014] Figure 2 It is a side view structural schematic diagram of the utility model;

[0015] Figure 3 It is a partial front view structural schematic diagram of the utility model;

[0016] In the figure: 1-grading box, 2-first sieve plate, 3-second sieve plate, 4-feed box, 5-feed hopper, 6-filter screen, 7-cloth, 8-inverted triangle baffle, 9-air inlet, 10-air outlet, 11-collecting box, 12-suction fan, 13-connecting column, 14-discharge pipe, 15-exhaust port, 16-cover plate, 17-support column, 18-connecting plate, 19-elastic support, 20-connecting block. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0018] See also Figure 1-3 The utility model provides a technical solution: a rice grading and selecting device, comprising a grading box 1 and a feed box 4, the feed box 4 is arranged above the feed port of the grading box 1, a feed hopper 5 is arranged on the top of the feed box 4, a plurality of inverted triangular baffles 8 are arranged on the top of the inner cavity of the feed box 4, the inverted triangular baffles 8 are evenly spaced and staggered up and down, an air inlet 9 is arranged on one side of the feed box 4, a filter screen 6 is detachably arranged on the air inlet 9, an air outlet 10 is arranged on the other side of the feed box 4, a dust collection component is arranged on the outside of the air outlet 10, a first sieve plate 2 is obliquely arranged in the inner cavity of the grading box 1, a second sieve plate 3 is obliquely arranged in the inner cavity of the grading box 1 and below the first sieve plate 2, and vibration components are fixedly connected to the surfaces of both sides of the grading box 1.

[0019] In this embodiment, the rice is poured into the feed hopper 5 above the feed box 4, and then the rice flows into the feed box 4, and firstly the rice is disrupted by the inverted triangular baffle 8, and at the same time the suction fan 12 sucks the impurities or dust into the air outlet 10 to the collection box 11, and then the rice enters the grading box 1, and at the same time the vibration motor drives the elastic support 19 to make the grading box 1 vibrate, and when the rice enters, the first sieve plate 2 first filters it so that part of the rice flows into the second sieve plate 3, and at the same time the unfiltered rice flows out of the cavity box outlet formed by the first sieve plate 2 and the top of the grading box 1, and the second sieve plate 3 The rice in the cavity formed between the first sieve plate 2 also flows out of the discharge port of the cavity. At the same time, the rice in the cavity formed by the second sieve plate 3 and the bottom of the grading box 1 also flows out to the discharge port after vibration grading. The device classifies rice according to size, shape, color and other characteristics to ensure that each grade of rice has relatively consistent quality and characteristics. For high-quality rice, its unique quality and characteristics can be highlighted through grading and labeling, which improves the added value of the product and helps to obtain a higher selling price. Unqualified or contaminated rice grains can be removed during the rice grading process, which helps to ensure food safety.

[0020] Furthermore, the vibration assembly includes a support column 17, a connecting plate 18 and an elastic support 19, the connecting plate 18 is fixedly connected to the two side surfaces of the grading box 1, and a plurality of elastic supports 19 are fixedly connected between the connecting plate 18 and the support column 17. A vibration motor is arranged outside the grading box 1.

[0021] In this embodiment, the vibration motor drives the elastic support 19 to work continuously, driving the grading box 1 to grade the rice.

[0022] Furthermore, a plurality of exhaust ports 15 are provided at the top of the classification box 1 , and a cover plate 16 is detachably provided at the top of the plurality of exhaust ports 15 .

[0023] In this embodiment, a plurality of exhaust ports 15 are provided at the top of the grading box 1, and the internal working process of the grading box 1 can be viewed by opening the cover 16, and dust generated during grading can be removed.

[0024] Furthermore, the inner cavity of the grading box 1 is provided with a plurality of cavities, and each cavity is connected to a discharge pipe 14 .

[0025] In this embodiment, each cavity bucket is connected to a different discharge pipe 14 to prevent the graded rice from being mixed again.

[0026] Furthermore, the dust collection assembly includes a collection box 11 and a suction fan 12 . The collection box 11 is fixedly connected to the outside of the air outlet 10 , and the suction port of the suction fan 12 is connected to the air outlet of the collection box 11 .

[0027] In this embodiment, from the air inlet 9 to the air outlet 10, the suction fan 12 then absorbs the impurities into the collection box 11, and the collection box 11 is fixed to the air outlet 10 of the feed box 4 by bolts.

[0028] Furthermore, two ends of the feed box 4 are fixedly connected with connection blocks 20 , and the other end of the connection block 20 is fixedly connected with a connection column 13 .

[0029] In this embodiment, the feed box 4 is arranged above the grading box 1 through the connecting column 13, and the two are not in contact.

[0030] The working principle and use process of the utility model are as follows: after the utility model is installed, the rice is poured into the feed hopper 5 above the feed box 4, and then the rice flows into the feed box 4, and the rice is first disrupted by the inverted triangle baffle 8, and at the same time, the suction fan 12 sucks the impurities or dust into the air outlet 10 to the collecting box 11, and then the rice enters the grading box 1, and at the same time, the vibration motor drives the elastic support 19 to make the grading box 1 vibrate, and when the rice enters, the first sieve plate 2 first filters it so that part of the rice flows into the second sieve plate 3, and at the same time, the unfiltered rice flows out of the discharge port of the cavity formed by the first sieve plate 2 and the top of the grading box 1, and the rice in the cavity formed between the second sieve plate 3 and the first sieve plate 2 also flows out of the discharge port of the cavity, and at the same time, the rice in the cavity formed by the second sieve plate 3 and the bottom of the grading box 1 also flows out to the discharge port after vibration grading, and each cavity discharge port is connected to a different discharge pipe 14. The device can classify rice according to size, shape, color and other characteristics, ensuring that each grade of rice has relatively consistent quality and characteristics.

[0031] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A rice grading and selecting device, comprising a grading box (1) and a feed box (4), characterized in that: The feed box (4) is arranged above the feed port of the grading box (1); a feed hopper (5) is arranged at the top of the feed box (4); a plurality of inverted triangular baffles (8) are arranged at the top of the inner cavity of the feed box (4); the inverted triangular baffles (8) are evenly spaced and staggered up and down; an air inlet (9) is arranged on one side of the feed box (4); a filter screen (6) is detachably arranged on the air inlet (9); an air outlet (10) is arranged on the other side of the feed box (4); a dust collection component is arranged outside the air outlet (10); a first sieve plate (2) is obliquely arranged in the inner cavity of the grading box (1); a second sieve plate (3) is obliquely arranged in the inner cavity of the grading box (1) and located below the first sieve plate (2); and vibration components are fixedly connected to the surfaces of both sides of the grading box (1).

2. A rice grading and selecting device as claimed in claim 1, characterized in that: The vibration assembly comprises a support column (17), a connecting plate (18) and an elastic support (19); the connecting plate (18) is fixedly connected to the two side surfaces of the grading box (1); a plurality of elastic supports (19) are fixedly connected between the connecting plate (18) and the support column (17); and a vibration motor is arranged outside the grading box (1).

3. A rice grading and selecting device as claimed in claim 1, characterized in that: The top of the classification box (1) is provided with a plurality of exhaust ports (15), and the tops of the plurality of exhaust ports (15) are detachably provided with cover plates (16).

4. A rice grading and selecting device as claimed in claim 1, characterized in that: The inner cavity of the grading box (1) is provided with a plurality of cavities, and each of the cavities is connected to a discharge pipe (14).

5. A rice grading and selecting device as claimed in claim 1, characterized in that: The dust collection assembly comprises a collection box (11) and a suction fan (12); the collection box (11) is fixedly connected to the outside of the air outlet (10); and the air suction port of the suction fan (12) is connected to the air outlet of the collection box (11).

6. A rice grading and selecting device as claimed in claim 1, characterized in that: The two ends of the feed box (4) are fixedly connected to connection blocks (20), and the other end of the connection block (20) is fixedly connected to a connection column (13).

Images