CN211839051U - A kind of bran screening device in rice processing - Google Patents

Abstract

The utility model discloses a bran sieving device in rice processing, which relates to the technical field of light-transmitting skin, comprising a vertical column, a screening tank, an air inlet box and a motor box. The rotating shaft of the blade stirs the rice entering the funnel through the stirring blade, so that the rice bran is separated as much as possible, which is more conducive to the screening operation of the rice bran by the screening tank, and increases the reliability of the device for screening bran. Heater, the dry air is evenly screened by the wind through the nozzle, and the lighter bran is blown out of the rice to realize the first screening of the rice bran. At the same time, the air heater prevents the humid air from entering the device and sticks the rice bran on At the same time, the screening efficiency is ensured; at the same time, the vibrating screen is driven by the set vibration motor to vibrate and screen the rice, and the rice is screened twice, which ensures the purity of the screened rice and increases the practicability of the device.

Description

A device for sieving bran in rice processing

technical field

The utility model relates to the technical field of bran screening devices, in particular to a bran screening device in rice processing.

Background technique

Rice bran will be mixed into the rice during the processing. If it is not screened and separated, it will affect the taste of the rice. At the same time, research results and data at home and abroad show that rice bran is rich in various nutrients and physiologically active substances. Now the United States and other developed countries have come out with edible rice bran, and China has also invented similar products, that is, the application of modern food processing precision milling technology to the unhealthy food substances in rice bran (rice husk, peel, seed coat, dust, microorganisms, etc.) with Food-friendly nutrients (embryo, aleurone and other outer endosperm) are precisely milled and separated in a clean production workshop. This separation technology can classify rice bran into feed-grade rice bran and food-grade rice bran, of which food-grade rice bran is approximately It accounts for 80% of the total weight of rice bran and more than 90% of the nutrition. Although food-grade rice bran only accounts for 6% of the weight of the rice, and accounts for about 60% of the nutrition of the rice, it is the milled material during the whitening process of the rice, so it is also known as "mizhen" or "rice meal". .

Therefore, it is very necessary to screen out the rice and rice bran, but in the prior art, the rice is directly screened for bran, because the rice bran is tightly attached to the rice, the screening process is relatively slow, and the efficiency is low. At the same time, most devices only use a single vibration screening, and the screening efficiency low, and the screening results are not satisfactory.

Utility model content

In view of the problems existing in the prior art, the purpose of this utility model is to provide a bran sieving device in rice processing, which adopts hot air blowing and vibrating screen to carry out secondary bran sieving operation on rice, the screening effect is good, and the practicality of the device is increased. sex.

In order to achieve the above purpose, the utility model provides the following technical solutions: including a column, a screening tank, an air inlet box and a motor box, the column is fixed on the working ground through a counterweight block installed at the bottom, and the right side of the column is fixedly installed at the same time. There is a screening tank, the upper layer of the screening tank is arranged in a cylindrical structure, and the lower layer is arranged in a conical structure. The conical structure is more convenient to collect the screened rice, avoids the accumulation of rice at the bottom of the device, and improves the device. At the same time, the tapered bottom end thread of the screening tank is installed with a discharge pipe; at the same time, a feeding pipe is installed in the middle of the top of the screening tank, and the bottom of the feeding pipe extends into the interior of the screening tank, and the top of the feeding pipe and the The top of the screening tank is on the same horizontal line, and a funnel is threadedly connected. At the same time, a rotating shaft is arranged inside the feeding pipe. The rotating shaft is rotated and installed on the side wall of the funnel through a connecting rod. The bevel gears are connected together, the first bevel gear is fixedly installed on the output shaft of the rotating motor, and the rotating motor is fixedly installed at the bottom of the motor box through the fixing seat, and the motor box bolts are installed on the top of the screening tank away from the column. At the same time, the air inlet box is fixedly installed on the right side wall of the screening tank, and a vibrating screen is installed obliquely inside the screening tank, and the right end of the vibrating screen is higher than the left side. A bran outlet is provided on the left side wall of the tank on which the vibrating screen is installed, and the bran outlet passes through the interior of the column to discharge the screened rice bran from the screening tank.

As a further scheme of the present utility model: the air inlet box includes a vibration motor, a blower and an air heater, wherein the vibration motor is installed at the bottom of the left side of the air inlet box, and the output shaft of the vibration motor is connected with a transmission rod through a coupling. The rod is connected together by the side wall of the screening tank and the vibrating screen, and the vibrating screen is driven by the vibrating motor to vibrate to screen the rice; at the same time, the air heater and blower are installed on the right side wall of the air inlet box from top to bottom. At the same time, the air purifier is connected to the air inlet of the blower, and the air purifier is installed on the outer side of the air inlet box. At the same time, the air outlet of the blower and the air inlet of the air heater are connected together. The air duct is connected to the side wall of the screening tank. The air heater ensures that the air entering the screening tank is dry air, preventing moist air from blowing into the screening tank and sticking the rice and rice bran together, which affects the screening efficiency.

As a further scheme of the present invention: the side wall of the screening tank connected with the air inlet pipe is set as two parts of the air storage layer and the protective layer, wherein the air storage layer is close to the inner cavity of the screening tank, and the air inlet pipe and the air storage layer are at the same time. Connected together, the hot air is stored in the air storage layer. At the same time, a number of nozzles are bolted on the side of the air storage layer close to the inner cavity of the screening tank to blow the hot air in the air storage layer into the inner cavity of the screening tank evenly. , screen the rice bran; at the same time, the protective layer is close to the outside of the screening tank, and the protective layer and the outer shell of the screening tank are made of iron materials to protect the screening tank.

As a further solution of the present utility model: the side wall of the conical structure of the screening tank is provided with two parts: a buffer layer and a protective layer, wherein the buffer layer is located between the protective layer and the inner cavity of the screening tank, and the outer side of the buffer layer is installed with a Several bumps, the radius of the bumps is smaller than the thick bottom of the rice, to prevent the rice from getting stuck in the gaps of the bumps, and the buffer layer and the bump material are made of sponge material to protect the screened rice and prevent the rice from falling during the process of falling. It shattered upon impact on the side wall of the screening tank.

As a further solution of the present invention, the rotating shaft is provided with a stirring blade at the part of the funnel and the feeding pipe.

As a further solution of the present utility model: the inclination angle of the vibrating screen is 30 degrees.

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

1. The utility model stirs the rice entering the funnel by arranging a rotating shaft with a stirring blade, so that the rice bran is separated as much as possible, which is more conducive to the screening operation of the rice bran by the screening tank, and increases the reliability of the device for screening the bran.

2. The utility model uses the provided blower and air heater to evenly screen the rice with dry air through the nozzle, and blows the lighter bran from the rice to realize the primary screening of the rice bran, and the air heater avoids the Moist air enters the device and sticks the rice bran together, ensuring the screening efficiency.

3. The utility model drives the vibrating screen to vibrate and screen the rice through the set vibrating motor, and the rice is screened twice, which ensures the purity of the screened rice and increases the practicability of the device.

Description of drawings

Figure 1 is a schematic structural diagram of the utility model.

Figure 2 is a schematic diagram of the structure of the feed pipe of the present invention.

Fig. 3 is the enlarged schematic diagram of the A part of the utility model.

Fig. 4 is the enlarged schematic diagram of B of the utility model.

As shown in the picture: 1. Upright column, 2. Screening tank, 201, Air storage layer, 202, Protective layer, 203, Nozzle, 204, Buffer layer, 205, Bump, 3. Air inlet box, 4. Feed pipe, 5. Motor box, 6. Funnel, 7. Discharge pipe, 8. Vibrating screen, 9. Shaft, 901, Stirring blade, 10. Vibrating motor, 11. Coupling, 12. Blower, 13. Air heater , 14, air inlet pipe, 15, transmission rod, 16, fixed seat, 17, rotating motor, 18, first bevel gear, 19, second bevel gear, 20, chaff outlet, 21, air purifier.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installation", "provided with", "sleeve/connection", "connection", etc., should be understood in a broad sense, such as "Connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be two elements Internal connectivity. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

Please refer to FIGS. 1 to 4. In the embodiment of the present utility model, a bran sieving device in rice processing includes a vertical column 1, a screening tank 2, an air inlet box 3 and a motor box 5. The vertical column 1 passes through the counterweight block installed at the bottom, It is fixed on the working ground, and a screening tank 2 is fixedly installed on the right side of the column 1. The upper layer of the screening tank 2 is set to a cylindrical structure, and the lower layer is set to a conical structure. The rice is collected to avoid the accumulation of rice at the bottom of the device and improve the collection efficiency of the device. At the same time, the tapered bottom end thread of the screening tank 2 is installed with a discharge pipe 7; at the same time, a feeding pipe is installed in the middle of the top of the screening tank 2. 4. The bottom of the feeding pipe 4 extends into the interior of the screening tank 2, and the top of the feeding pipe 4 and the top of the screening tank 2 are on the same horizontal line, and the funnel 6 is threadedly connected, and at the same time inside the feeding pipe 4 A rotating shaft 9 is provided. The rotating shaft 9 is rotated and installed on the side wall of the funnel through a connecting rod. At the same time, the rotating shaft 9 is connected together by a second bevel gear 19 and a first bevel gear 18. The first bevel gear 18 is fixedly installed on the rotating motor 17. At the same time, the rotary motor 17 is fixedly installed on the bottom of the motor box 5 through the fixed seat 16, and the motor box 5 is bolted on the top of the screening tank 2 away from the side of the column to protect the rotary motor 17; The air inlet box 3 is fixedly installed on the right side wall of the tank 2, and a vibration screen 8 is installed obliquely inside the screening tank 2, wherein the right end of the vibration screen 8 is higher than the left side, and a vibration screen 8 is installed in the screening tank 2. The left side wall of the screen 8 is provided with a bran outlet 20 , and the bran outlet 20 passes through the interior of the column 1 and is used to discharge the screened rice bran from the screening tank 2 .

Wherein, the air inlet box 3 includes a vibration motor 10, a blower 12 and an air heater 13, wherein the vibration motor 10 is installed at the bottom of the left side of the air inlet box 3, and the output shaft of the vibration motor 10 is connected with a transmission rod through a coupling 11. 15. The transmission rod 15 is connected together through the side wall of the screening tank 2 and the vibration screen 8, and the vibration screen 8 is driven by the vibration motor 10 to vibrate, and the rice is screened; at the same time, the air heater 13 and the blower 12 are from top to It is installed on the right side wall of the air inlet box 3 in turn, and the air purifier 21 is connected to the air inlet of the blower 12. The air inlet of the air heater 13 is connected together, and the air outlet of the air heater 13 is connected to the side wall of the screening tank 2 through the air inlet pipe 14. The air heater 13 ensures that the air introduced into the screening tank 2 is dry air. Prevent humid air from blowing into the screening tank 2, sticking the rice and rice bran together, affecting the screening efficiency.

Preferably, the side wall of the screening tank 2 connected with the air inlet pipe 14 is set as two parts of an air storage layer 201 and a protective layer 202, wherein the air storage layer 201 is close to the inner cavity of the screening tank 2, while the air inlet pipe 14 and the storage layer 202 are arranged in two parts. The air layers 201 are connected together, and the hot air is stored in the air storage layer 201. At the same time, a number of nozzles 203 are bolted on one side of the air storage layer 201 close to the inner cavity of the screening tank 2 to uniformly distribute the hot air in the air storage layer 201. Blow into the inner cavity of the screening tank 2 to screen the rice bran; at the same time, the protective layer 202 is close to the outside of the screening tank 2, and the protective layer 202 and the outer shell of the screening tank 2 are made of iron materials to protect the screening tank.

Preferably, the sidewall of the tapered structure of the screening tank 2 is set as two parts, a buffer layer 204 and a protective layer 202, wherein the buffer layer 204 is located between the protective layer 202 and the inner cavity of the screening tank 2, and the outer side of the buffer layer 204 A number of bumps 205 are installed, and the radius of the bumps 205 is smaller than the thick bottom of the rice to prevent the rice from getting stuck in the gaps of the bumps 205. At the same time, the buffer layer 204 and the bumps 205 are made of sponge material to protect the rice that has been screened. , to prevent the rice from hitting the side wall of the screening tank 2 and shattering during the falling process.

Preferably, the rotating shaft 9 is provided with a stirring blade 901 at the part of the funnel and the feeding pipe 4, and the stirring blade 901 stirs the rice, so that the rice bran is separated as much as possible, which is more conducive to the separation of the rice in the screening tank 2. Sifting operation.

Preferably, the inclination angle of the vibrating screen 8 is 30 degrees, which can effectively prevent the rice from rolling down the vibrating screen 8 and better discharge the rice bran from the bran outlet 20 .

It should be noted that the working principle and installation method of the vibrating screen 8 adopt the prior art, which is the common knowledge of those skilled in the art, and will not be repeated here.

When using the utility model, the operator pours the rice to be screened into the screening tank from the funnel 6, firstly turns on the rotary motor 17, and the stirring blade 901 stirs the rice, so that the rice bran is separated as much as possible, and then the vibration motor is turned on. 10 and the blower 12, through the vibrating screen 8 and the hot air sprayed by the nozzle 203, the rice is screened for a second time, and the rice bran is discharged from the bran outlet 20 to realize the bran screening operation of the rice. At the same time, the secondary screening is adopted, and the screening effect is good.

Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Within the spirit and principle of the present invention, any modifications, equivalent replacements, improvements, etc. made should be included in the protection scope of the present invention, and the content not described in detail in this specification belongs to the professional in the field State of the art known to the skilled person.

Claims (5)

1. The utility model provides a screening chaff device in rice processing, includes stand (1), screening jar (2), air inlet case (3) and motor case (5), its characterized in that: the vertical column (1) is fixed on the working ground through a balancing weight arranged at the bottom, meanwhile, a screening tank (2) is fixedly arranged on the right side surface of the vertical column (1), the upper layer of the screening tank (2) is arranged to be of a cylindrical structure, the lower layer of the screening tank is arranged to be of a conical structure, and meanwhile, a discharge pipe (7) is arranged at the conical bottom end of the screening tank (2) in a threaded mode; meanwhile, a feeding pipe (4) is arranged in the middle of the top of the screening tank (2), the bottom of the feeding pipe (4) extends into the screening tank (2), meanwhile, the top of the feeding pipe (4) and the top of the screening tank (2) are on the same horizontal line and are in threaded connection with a funnel (6), meanwhile, a rotating shaft (9) is arranged in the feeding pipe (4), the rotating shaft (9) is rotatably arranged on the side wall of the funnel through a connecting rod, a stirring blade (901) is arranged on the part of the rotating shaft (9) between the funnel and the feeding pipe (4), meanwhile, the rotating shaft (9) is connected with a first bevel gear (18) through a second bevel gear (19), the first bevel gear (18) is fixedly arranged on an output shaft of the rotating motor (17), meanwhile, the rotating motor (17) is fixedly arranged at the bottom of the motor box (5) through a fixed seat (16), the motor box (5) is mounted on one side, far away from the upright post, of the top of the screening tank (2) through bolts; fixed mounting has air inlet box (3) on the right side wall of screening jar (2) simultaneously, installs vibrations screen cloth (8) at screening jar (2) inside slope simultaneously, and wherein the right side end of vibrations screen cloth (8) is higher than the left side, and simultaneously the left side wall of installing vibrations screen cloth (8) in screening jar (2) has seted up out chaff mouth (20), and the inside of going out chaff mouth (20) from stand (1) is passed.

2. The bran sieving device in rice processing according to claim 1, wherein: the air inlet box (3) comprises a vibration motor (10), an air blower (12) and an air heater (13), wherein the vibration motor (10) is installed at the bottom of the left side of the air inlet box (3), an output shaft of the vibration motor (10) is connected with a transmission rod (15) through a coupler (11), and the transmission rod (15) is in transmission connection with the vibration screen (8) through the side wall of the screening tank (2); meanwhile, an air heater (13) and an air blower (12) are sequentially arranged on the right side wall of the air inlet box (3) from top to bottom, an air inlet of the air blower (12) is connected with an air purifier (21), the air purifier (21) is arranged on the outer side surface of the air inlet box (3), an air outlet of the air blower (12) is connected with an air inlet of the air heater (13), and an air outlet of the air heater (13) is connected to the side wall of the screening tank (2) through an air inlet pipe (14).

3. The bran sieving device in rice processing as claimed in claim 2, wherein: the side wall of the screening tank (2) connected with the air inlet pipe (14) is provided with an air storage layer (201) and a protective layer (202), wherein the air storage layer (201) is close to the inner cavity of the screening tank (2), the air inlet pipe (14) is connected with the air storage layer (201), and a plurality of spray heads (203) are arranged on one side face of the air storage layer (201) close to the inner cavity of the screening tank (2) through bolts; meanwhile, the protective layer (202) is close to the outer side of the screening tank (2), and the protective layer (202) and the screening tank (2) are made of iron materials and used for protecting the screening tank.

4. The bran sieving device in rice processing as claimed in claim 2 or 3, wherein: the lateral wall of the conical structure of screening jar (2) sets up to buffer layer (204) and protective layer (202) two parts, and wherein buffer layer (204) are located between protective layer (202) and screening jar (2) inner chamber, and a plurality of lugs (205) are installed in the outside of buffer layer (204) simultaneously, and the radius of lug (205) is less than the thick end of rice, and buffer layer (204) and lug (205) material select for use sponge material to make simultaneously.

5. The bran sieving device in rice processing according to claim 1, wherein: the inclination angle of the vibrating screen (8) is 30 degrees.

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