Rice processing and screening device

Abstract

The utility model relates to the field of rice processing, and discloses a rice processing screening device which comprises a base, a cover cylinder is arranged at the top of the base, a dust removal pump is fixedly connected to the top of the cover cylinder, a dust collection box is arranged on one side of the cover cylinder, and a feeding mechanism is arranged on the other side of the cover cylinder. According to the rice processing and screening device, more dust is inevitably raised in the process of screening rice in the screening barrels through cooperation of the driving mechanism, the dust can be wrapped through cooperation of the cover barrel, meanwhile, a dust removal pump is started, and the dust removal efficiency is improved. And dust suction holes in the bottom of the dust suction ring cylinder generate suction force, then dust generated in the rice screening process is completely sucked into the dust collection box, the situation that the dust is scattered all around to pollute the processing environment and affect the health of personnel is avoided, and the problem that dust is scattered all around in the existing rice screening process is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to rice processing technical field, concretely is a rice processing screening device. BACKGROUND

[0002] Rice processing refers to the process of cleaning, shelling, milling, grading and packaging of paddy, which is converted into rice products for human direct consumption or further processing. This process involves the entire industry chain from farmland to dining table, including paddy planting, acquisition, warehousing, processing, sales and other links.

[0003] The patent with publication number CN219519537U discloses a device that includes a bottom plate, a pair of first support frames fixed on the upper surface of the bottom plate, a first limiting rod fixed on the inner side of each first support frame, and a pair of first limiting blocks slidingly arranged on the first limiting rod. The device pours rice into the upper fixed frame, filters large impurities on the screen, and falls rice and small impurities into the screen of the lower fixed frame. Then, it screens the smaller impurities from the screen and only leaves rice on the lower screen, thereby realizing simultaneous screening of large and small impurities in rice and improving screening efficiency.

[0004] However, the device directly pours rice into the screen in the upper fixed frame and then uses a motor and a rotating disc to move the screen for screening. The upper and lower fixed frames and the screen inside are exposed to the environment. In addition to impurities, rice will inevitably leave dust, which will cause dust to rise and scatter during the process of continuously moving the screen for screening, polluting the processing environment and affecting personnel health. Therefore, a rice processing screening device is proposed to solve the problem of dust scattering and rising during the existing rice screening process. UTILITY MODEL CONTENT

[0005] (I) Technical problems solved

[0006] In view of the deficiencies of the prior art, the utility model provides a rice processing screening device to solve the above problems.

[0007] (II) Technical solutions

[0008] To achieve the above object, the utility model provides the following technical scheme: A rice processing and screening device, including the base, the top of base is provided with the cover cylinder, the top fixedly connected with dust removal pump of cover cylinder, one side of cover cylinder is provided with dust collection box, one side of cover cylinder is provided with feeding mechanism, one side of cover cylinder is provided with three discharge pipes, the top of base is provided with three screening cylinders, the intercommunication of two screening cylinders is connected with support rod, the inner chamber of screening cylinder is slidably provided with conical sieve plate, the inner chamber of cover cylinder is provided with drive mechanism, the inner chamber top of cover cylinder is provided with dust ring cylinder, the bottom of dust ring cylinder is provided with dust suction hole, the bottom of conical sieve plate is fixedly connected with sealing plate, the inner chamber of screening cylinder is fixedly connected with limit sleeve.

[0009] Preferably, the screen holes on the top of the conical sieve plate are larger than the screen holes on the middle of the conical sieve plate, and the bottom of the conical sieve plate is not provided with screen holes.

[0010] Preferably, the discharge pipe penetrates the cover cylinder and communicates with the inner chamber of the screening cylinder, and the discharge pipe gradually shortens from top to bottom.

[0011] Preferably, the sealing plate is located at the intercommunication of the discharge pipe and the screening cylinder, and the sealing plate is located in the inner chamber of the limit sleeve and is slidably connected.

[0012] Preferably, the feeding mechanism includes a feed inlet provided on one side of the cover cylinder, the inner chamber of the feed inlet is obliquely provided with a feed hopper, the inner chamber of the feed hopper is rotatably connected with a baffle, and the baffle is located at the intersection of the feed hopper and the cover cylinder.

[0013] Preferably, the drive mechanism includes a rotating shaft rotatably arranged in the inner chamber of the cover cylinder, the inner chamber top of the cover cylinder is provided with a motor, the rotating shaft is fixedly connected with the motor output shaft, the top of the cover cylinder is fixedly connected with an electric push rod, and the bottom of the electric push rod penetrates the cover cylinder and is fixedly connected with the motor.

[0014] Preferably, the rotating shaft penetrates the three conical sieve plates and is rotatably connected with bearings, the outer ring of the rotating shaft is fixedly connected with a stirring scraper, and the bottom of the stirring scraper is attached to the surface of the conical sieve plate.

[0015] (Three) beneficial effects

[0016] 1、The rice processing and screening device, through the drive mechanism cooperation to the screening cylinder in the rice screening process, a lot of dust will inevitably be raised, cooperation cover cylinder can be wrapped to the dust, at the same time, open dust removal pump, make the dust suction hole of dust ring cylinder bottom produce suction, further all the dust produced in the process of rice screening is sucked into the dust collection box, avoid dust pollution processing environment and affect personnel health, solve the existing rice screening process dust scattered and raised problem.

[0017] 2、The rice processing and screening device, when the rice screening is completed, the rotating shaft is driven by the electric push rod to move downward together with the conical sieve plate, thereby driving the sealing plate in the limiting sleeve shell to move downward to the inner area of the screening cylinder at the top of the conical sieve plate and intercommunicate with the discharge pipe, and the impurities and rice can be quickly discharged from the discharge pipe by cooperating with the rotating stirring scraper, thereby improving the convenience of discharging rice or impurities of the rice processing and screening device. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The utility model structural drawing is as follows:

[0019] Figure 2 The utility model structural section view is as follows:

[0020] Figure 3 The utility model structure is as follows: Figure 2 The enlarged view of A in the utility model is as follows:

[0021] Figure 4 The utility model structural section view is as follows.

[0022] In the drawing: 1, base; 2, cover cylinder; 3, dust removal pump; 4, dust collection box; 5, feeding mechanism; 501, feed inlet; 502, feed hopper; 503, baffle; 6, discharge pipe; 7, screening cylinder; 8, support rod; 9, conical sieve plate; 10, driving mechanism; 101, rotating shaft; 102, motor; 103, electric push rod; 104, stirring scraper; 11, dust suction ring cylinder; 12, dust suction hole; 13, sealing plate; 14, limiting sleeve shell. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Embodiment: please refer to Figures 1-4The utility model provides a rice processing and screening device, which comprises a base 1, a cover cylinder 2 arranged on the top of the base 1, a dust removal pump 3 fixedly connected to the top of the cover cylinder 2, a dust collecting box 4 arranged on one side of the cover cylinder 2, a feeding mechanism 5 arranged on the other side of the cover cylinder 2, three discharge pipes 6 arranged on one side of the cover cylinder 2, three screening cylinders 7 arranged on the top of the base 1, two of the screening cylinders 7 being interconnected and connected by a support rod 8, a conical sieve plate 9 slidingly arranged in the inner cavity of the screening cylinder 7, a driving mechanism 10 arranged in the inner cavity of the cover cylinder 2, a dust suction ring cylinder 11 arranged on the top of the inner cavity of the cover cylinder 2, a dust suction hole 12 penetratingly formed in the bottom of the dust suction ring cylinder 11, a sealing plate 13 fixedly connected to the bottom of the conical sieve plate 9, and a limiting sleeve 14 fixedly connected to the inner cavity of the screening cylinder 7.

[0025] Further, the sieve holes on the top conical sieve plate 9 are larger than the sieve holes on the middle conical sieve plate 9, and the bottom conical sieve plate 9 is not provided with sieve holes. Through the sieve holes of different sizes, the larger impurities in the rice are left on the top conical sieve plate 9, and the smaller impurities in the rice can pass through the sieve holes in the middle conical sieve plate 9 and enter the bottom screening cylinder 7, so that the purpose of rice screening is achieved.

[0026] Further, the discharge pipes 6 penetrate through the cover cylinder 2 and are interconnected with the inner cavities of the screening cylinders 7. The discharge pipes 6 gradually shorten from top to bottom. Through the discharge pipes 6 of different lengths, the impurities or rice can be discharged from different positions, which is convenient for the collection and recovery of the impurities and rice.

[0027] Further, the sealing plate 13 is located at the interconnection position of the discharge pipe 6 and the screening cylinder 7, and is slidingly connected in the inner cavity of the limiting sleeve 14. Through the sealing plate 13 and the limiting sleeve 14, the conical sieve plate 9 is prevented from rotating. At the same time, through the sealing plate 13, the discharge pipe 6 in the screening process can be blocked, so that the dust, impurities and rice do not leak from the discharge pipe 6 during the process of passing through the sieve holes on the conical sieve plate 9 and entering the lower screening cylinder 7, thereby avoiding pollution and waste.

[0028] Further, the feeding mechanism 5 comprises a feeding port 501 penetratingly formed in one side of the cover cylinder 2, an inclined feeding hopper 502 arranged in the inner cavity of the feeding port 501, a baffle 503 rotationally connected to the inner cavity of the feeding hopper 502, and the baffle 503 being located at the intersection of the feeding hopper 502 and the cover cylinder 2.

[0029] Further, the driving mechanism 10 comprises a rotating shaft 101 arranged in the inner cavity of the cover cylinder 2, the top of the inner cavity of the cover cylinder 2 is provided with a motor 102, the rotating shaft 101 is fixedly connected with the output shaft of the motor 102, the top of the cover cylinder 2 is fixedly connected with an electric push rod 103, the bottom of the electric push rod 103 penetrates the cover cylinder 2 and is fixedly connected with the motor 102, the rice to be screened is poured into the feeding hopper 502 in the feeding port 501, the baffle 503 is automatically rotated under the impact of the rice, so that the rice enters the top screening cylinder 7, after all the rice enters, the baffle 503 restores to vertical to block the feeding hopper 502 by its own gravity, facilitating the addition of rice, and avoiding the overflow of rice dust in the processing process.

[0030] Further, the rotating shaft 101 penetrates the three conical sieve plates 9 and is rotatably connected by bearings, the outer ring of the rotating shaft 101 is fixedly connected with a stirring scraper 104, the bottom of the stirring scraper 104 is attached to the surface of the conical sieve plate 9, when the rice enters the screening cylinder 7, the stirring scraper 104 on the outer ring of the rotating shaft 101 is driven by the motor 102 to stir the rice, so that the rice and impurities are quickly screened, improving the screening efficiency, when the rice screening is completed, the rotating shaft 101 together with the conical sieve plate 9 is driven downward by the electric push rod 103, thereby driving the sealing plate 13 in the limiting sleeve 14 to move downward to the inner area of the screening cylinder 7 at the top of the conical sieve plate 9 and intercommunicate with the discharge pipe 6, cooperating with the rotating stirring scraper 104, the impurities and rice can be quickly discharged from the discharge pipe 6, improving the convenience of discharging rice or impurities of the rice processing and screening device.

[0031] Working principle: when using the rice processing and screening device, the rice is added to the top screening cylinder 7 through the feeding mechanism 5, the rice and small impurities pass through the screen holes into the middle screening cylinder 7 for further screening under the cooperation of the driving mechanism 10 and the conical sieve plate 9, and then the small impurities enter the bottom screening cylinder 7, at this time the rice remains in the middle screening cylinder 7 and the large impurities remain in the top screening cylinder 7, thereby achieving the purpose of rice screening; during the process of screening and processing the rice in the screening cylinder 7 by the driving mechanism 10, a large amount of dust will be raised, cooperating with the cover cylinder 2 can wrap the dust, at the same time the dust removal pump 3 is started, so that the suction holes 12 at the bottom of the dust suction ring cylinder 11 generate suction force, thereby sucking all the dust generated in the rice screening process into the dust collecting box 4, avoiding the scattering of dust to pollute the processing environment and affecting the health of personnel, solving the problem of scattering of dust in the existing rice screening process.

[0032] In the description of the utility model, still need to explain, unless another explicit provision and limitation, term " set ", " install ", " link ", " connect " should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication。For ordinary skilled person in the art, can understand the specific meaning of the above-mentioned terms in the utility model according to specific circumstances.

[0033] Although the embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made thereto without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A rice processing and screening device comprising a base (1), characterized in that: The top of the base (1) is provided with a cover cylinder (2), the top of the cover cylinder (2) is fixedly connected with a dust removal pump (3), one side of the cover cylinder (2) is provided with a dust collecting box (4), the other side of the cover cylinder (2) is provided with a feeding mechanism (5), one side of the cover cylinder (2) is provided with three discharge pipes (6), the top of the base (1) is provided with three screening cylinders (7), two of the screening cylinders (7) are communicated and connected by a support rod (8), the inner cavity of the screening cylinder (7) is slidably provided with a conical sieve plate (9), the inner cavity of the cover cylinder (2) is provided with a driving mechanism (10), the inner cavity of the cover cylinder (2) is provided with a dust suction ring cylinder (11), the bottom of the dust suction ring cylinder (11) is provided with a dust suction hole (12), the bottom of the conical sieve plate (9) is fixedly connected with a sealing plate (13), and the inner cavity of the screening cylinder (7) is fixedly connected with a limiting sleeve (14).

2. The rice processing and sorting apparatus according to claim 1, wherein: The screen holes on the top of the conical sieve plate (9) are larger than the screen holes on the middle of the conical sieve plate (9), and the bottom of the conical sieve plate (9) is not provided with screen holes.

3. The rice processing and sorting apparatus according to claim 1, wherein: The discharge pipe (6) penetrates the cover cylinder (2) and communicates with the inner cavity of the screening cylinder (7), and the discharge pipe (6) gradually shortens from top to bottom.

4. The rice processing and sorting apparatus according to claim 1, wherein: The sealing plate (13) is located at the communication position of the discharge pipe (6) and the screening cylinder (7), and is slidably connected in the inner cavity of the limiting sleeve (14).

5. The rice processing and sorting apparatus according to claim 1, wherein: The feeding mechanism (5) comprises an inlet (501) penetratingly arranged on one side of the cover cylinder (2), the inner cavity of the inlet (501) is obliquely provided with a feeding hopper (502), the inner cavity of the feeding hopper (502) is rotatably connected with a baffle (503), and the baffle (503) is located at the intersection of the feeding hopper (502) and the cover cylinder (2).

6. The rice processing and sorting apparatus according to claim 1, wherein: The driving mechanism (10) comprises a rotating shaft (101) rotatably arranged in the inner cavity of the cover cylinder (2), the inner cavity of the cover cylinder (2) is provided with a motor (102), the rotating shaft (101) is fixedly connected with the output shaft of the motor (102), the top of the cover cylinder (2) is fixedly connected with an electric push rod (103), and the bottom of the electric push rod (103) penetrates the cover cylinder (2) and is fixedly connected with the motor (102).

7. The rice processing and sorting apparatus according to claim 6, wherein: The rotating shaft (101) penetrates the three conical sieve plates (9) and is rotatably connected by bearings, the outer ring of the rotating shaft (101) is fixedly connected with a stirring scraper (104), and the bottom of the stirring scraper (104) is attached to the surface of the conical sieve plate (9).

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