阅读说明：本技术 一种薏仁糙米碾白机及碾白方法 (Coix seed and brown rice whitening machine and whitening method ) 是由 夏誉中 夏召和 刘玉亮 于 2021-09-17 设计创作，主要内容包括：本发明公开了一种薏仁糙米碾白机,包括：底座、上座、砂辊、筛片,所述筛片呈弧形设置,所述筛片的侧边与底座的内侧壁固定连接,所述筛片的表面设置有筛孔,所述筛片的内侧面与砂辊的外侧面形成间隙,排糠结构,所述排糠结构位于底座的下方,所述排糠结构与底座的出料口连通。以解决现有的碾白机使用的时候,碾白效果不好,而且碾白产生的糟糠到处乱飞,影响工作环境的问题。(The invention discloses a coix seed and brown rice whitening machine, which comprises: base, seat of honour, emery roller, sieve piece, the sieve piece is the arc setting, the side of sieve piece and the inside wall fixed connection of base, the surface of sieve piece is provided with the sieve mesh, the medial surface of sieve piece forms the clearance with the lateral surface of emery roller, arranges the chaff structure, arrange the chaff structure and be located the below of base, arrange the chaff structure and the discharge gate intercommunication of base. The problems that when the existing whitening machine is used, the whitening effect is poor, and the work environment is affected due to the fact that bran residues generated by whitening fly around are solved.)

1. A coix seed brown rice whitening machine comprises:

the device comprises a base (1), wherein supporting legs (10) are fixedly connected to the bottom of the base (1), a discharge hole (7) is formed in the bottom of the base (1), and the top of the base (1) is open;

the device comprises an upper seat (2), wherein a feed hopper (9) is arranged at the top of the upper seat (2), the bottom of the upper seat (2) is hinged with the top of a base (1), and a processing cavity is formed between the base (1) and the upper seat (2);

it is characterized by also comprising:

the grinding roller (3) is rotatably connected with the base (1) through a bearing, spiral grooves distributed along the length direction of the grinding roller (3) are formed in the side surface of the grinding roller (3), the grinding roller (3) is located inside the processing chamber, one end of the grinding roller (3) extends out of the processing chamber and is fixedly connected with a driving wheel (31), and a cavity (32) is fixedly connected with the side surface of the grinding roller (3);

the screen piece (5) is arranged in an arc shape, the side edge of the screen piece (5) is fixedly connected with the inner side wall of the base (1), screen holes (51) are formed in the surface of the screen piece (5), a gap is formed between the inner side surface of the screen piece (5) and the outer side surface of the sand roller (3), the left end of the screen piece (5) is fixedly connected with the inner left side wall of the base (1), and an opening is formed between the right end of the screen piece (5) and the inner right side wall of the base (1);

the rice bran discharging device comprises a bran discharging structure (8), wherein the bran discharging structure (8) is located below a base (1), and the bran discharging structure (8) is communicated with a discharging hole (7) of the base (1).

2. The coix seed and brown rice whitening machine of claim 1, which is characterized in that: the feed hopper (9) is close to the left side of the upper seat (2), and the bran discharging structure (8) is close to the right side of the base (1).

3. The coix seed and brown rice whitening machine according to claim 1, wherein an opening is arranged at the top of the bran discharging structure (8), the width of the discharge port (7) of the base (1) is equal to that of the top opening of the bran discharging structure (8), the width and the length of the discharge port (7) of the base (1) are greater than those of the top opening of the bran discharging structure (8), and the right side of the discharge port (7) of the base (1) is aligned with the right side of the top opening of the bran discharging structure (8).

4. The coix seed and brown rice whitening machine as claimed in claim 3, wherein the bran discharging structure (8) is provided with a material guiding plate (81), the material guiding plate (81) is inclined below the discharge hole (7) of the base (1), and a discharge hole (82) is formed in the side surface of the material guiding plate (81);

the chaff discharging structure (8) is provided with a material storage cavity (83), the top opening of the material storage cavity (83) is arranged, and the inner side of the top opening of the material storage cavity (83) is detachably connected with a mesh enclosure.

5. The coix seed and brown rice whitening machine according to claim 4, further comprising: the fan (4), the right side surface of the fan (4) is fixedly connected with a connecting column (41), and the right end of the connecting column (41) is fixedly connected with the left side surface of the base (1);

a channel (34) is formed in the left end face of the sand roller (3), a cavity (32) is formed in the sand roller (3), the channel (34) is communicated with the cavity (32), an air hole (33) is formed in the side face of the sand roller (3), the air hole (33) is communicated with the cavity (32), and an air outlet of the fan (4) extends into the channel (34).

6. The coix seed brown rice whitening machine of claim 1, wherein the height of the gap is 5-7 cm.

7. The coix seed and brown rice whitening machine according to claim 1, wherein an arc-shaped frame (6) is arranged on the inner side of the upper seat (2), the right end of the arc-shaped frame (6) is fixedly connected with the inner right side of the upper seat (2), and the left end of the arc-shaped frame (6) and the inner left side of the upper seat (2) form an opening.

8. The coix seed brown rice whitening machine according to claim 1, wherein the sieve sheet (5) comprises:

the body (52) is semi-cylindrical, the outer side surfaces of two ends of the body (52) are fixedly connected with more than 2 connecting nails (521), and the connecting nails (521) are uniformly distributed on the outer side surface of the body (52) around the central axis of the body (52);

the connecting flanges (53) comprise 2 connecting flanges (53), each connecting flange (53) comprises a disc body (531) and a cylinder body (532), each disc body (531) is in a semi-disc shape, more than 2 screw holes are formed in each disc body (531), each cylinder body (532) is in a semi-cylindrical shape, one end of each cylinder body (532) is fixedly connected to one end face of each disc body (531), each cylinder body (532) is coaxial with each disc body (531), connecting holes (5321) which are uniformly distributed on the side portion of each cylinder body (532) around the central axis of each cylinder body (532) are formed in each cylinder body (532), the 2 connecting flanges (53) are connected to the two ends of each body (52) through matching of connecting nails (521) and the connecting holes (5321), the inner diameter of the inner side of each cylinder body (532) far away from the disc bodies (531) is matched with the outer diameter of the outer side of each body (52), and the inner diameter of the inner side of each cylinder body (532) close to the disc bodies (531) is matched with the inner diameter of the inner side of each body (52);

the buffer rubber pad (54) is arranged between the cylinder body (532) and the body (52);

wherein, the body (52) is fixedly connected on the side wall of the base through a connecting flange (53).

9. The coix seed and brown rice whitening machine according to claim 8, wherein the length direction of the sieve holes (51) is vertical to the rotating shaft of the sand roller (3), the adjacent sieve holes (51) are staggered with each other, and the distance between the sieve sheet (5) and the sand roller (3) is 1.0cm-1.5 cm.

10. A whitening method of the coix seed and brown rice whitening machine as claimed in claim 5, which is characterized in that the method comprises the following steps:

throwing the coix seed brown rice into a feeding hopper (9), enabling the coix seed brown rice to fall to a gap formed between a sand roller (3) and a sieve sheet (5) by means of gravity, driving the sand roller (3) to rotate by utilizing an external driving device through a belt and a driving wheel (31) in a transmission connection mode, grinding the coix seed brown rice by means of friction and impact between two side faces of the gap and the sand roller (3), enabling the coix seed brown rice to be blown towards the gap by a fan (4) working at the same time, enabling bran to be discharged from a bran discharge structure (8) by wind generated by the fan to sequentially pass through a channel (34), a cavity (32) and air holes (33), and enabling hulled coix seed brown rice to fall downwards through sieve holes (51); the rotating speed of the sand roller (3) is 350r/min-400 r/min.

Technical Field

The invention relates to the technical field of agricultural mechanical equipment, in particular to a coix seed and brown rice whitening machine and a whitening method.

Background

The coix seed and brown rice has high nutritive value, contains nutritional ingredients such as protein, fat, carbohydrate, crude fiber, mineral calcium, phosphorus, iron, vitamin and the like and eight amino acids essential to human body, and is called as one of functional staple foods. The coix seed brown rice obtained after hulling has the outer skin package, and needs to be hulled by a whitening machine, while the existing whitening machine has poor whitening effect, and the bran generated by whitening flies everywhere, which affects the working environment.

Disclosure of Invention

In order to solve the defects and shortcomings of the prior art, the invention aims to provide a coix seed and brown rice whitening machine and a coix seed and brown rice whitening method.

The technical scheme of the invention is that the coix seed and brown rice whitening machine comprises:

the bottom of the base is fixedly connected with supporting legs, a discharge hole is formed in the bottom of the base, and the top of the base is open;

the top of the upper seat is provided with a feed hopper, the bottom of the upper seat is hinged with the top of the base, and a processing cavity is formed between the base and the upper seat;

further comprising:

the grinding roller is rotatably connected with the base through a bearing, spiral grooves distributed along the length direction of the grinding roller are formed in the side surface of the grinding roller, the grinding roller is located inside the processing chamber, one end of the grinding roller extends out of the processing chamber and is fixedly connected with a driving wheel, and a cavity is fixedly connected to the side surface of the grinding roller;

the screen sheet is arranged in an arc shape, the side edge of the screen sheet is fixedly connected with the inner side wall of the base, the surface of the screen sheet is provided with screen holes, a gap is formed between the inner side surface of the screen sheet and the outer side surface of the sand roller, the left end of the screen sheet is fixedly connected with the inner left side wall of the base, and the right end of the screen sheet and the inner right side wall of the base form an opening;

the chaff discharging device comprises a chaff discharging structure, wherein the chaff discharging structure is positioned below a base and communicated with a discharge hole of the base.

Optionally, the feed hopper is close to the left side of the upper seat, and the bran discharging structure is close to the right side of the base.

Optionally, the top of row's bran structure sets up the opening, the discharge gate width of base equals with the open-top width of row bran structure, the discharge gate width length of base is greater than the open-top length of row bran structure, the right side limit of the discharge gate of base aligns with the open-top right side limit of row bran structure.

Optionally, the bran discharging structure is provided with a material guide plate, the material guide plate is inclined below the discharge port of the base, and a discharge port is formed in the side surface of the material guide plate;

the chaff discharging structure is provided with a material storage cavity, the top of the material storage cavity is opened, and the inner side of the top opening of the material storage cavity is detachably connected with a mesh enclosure.

Optionally, the method further comprises: the right side surface of the fan is fixedly connected with a connecting column, and the right end of the connecting column is fixedly connected with the left side surface of the base;

the air outlet of the fan extends into the inside of the channel.

Optionally, the height of the gap is 5-7 cm.

Optionally, the inner side of the upper seat is provided with an arc-shaped frame, the right end of the arc-shaped frame is fixedly connected with the inner right side face of the upper seat, and the left end of the arc-shaped frame and the inner left side face of the upper seat form an opening.

Further, the sieve sheet includes:

the connecting nail fixing device comprises a body, wherein the body is in a semi-cylindrical shape, the outer side surfaces of two ends of the body are fixedly connected with more than 2 connecting nails, and the connecting nails are uniformly distributed on the outer side surface of the body around the central axis of the body;

the connecting flanges comprise 2 connecting flanges, each connecting flange comprises a disc body and a cylinder body, the disc body is in a semi-disc shape, more than 2 screw holes are formed in the disc body, the cylinder body is in a semi-cylindrical shape, one end of the cylinder body is fixedly connected to one end face of the disc body, the cylinder body is coaxial with the disc body, connecting holes which are uniformly distributed on the side portion of the cylinder body around the central axis of the cylinder body are formed in the cylinder body, the 2 connecting flanges are connected to the two ends of the body through matching of connecting nails and the connecting holes, the inner diameter of one side, far away from the disc body, of the inner side of the cylinder body is matched with the outer diameter of the outer side of the body, and the inner diameter of one side, close to the disc body, of the inner side of the cylinder body is matched with the inner diameter of the inner side of the body;

the buffer rubber pad is arranged between the cylinder body and the body;

wherein, the body passes through flange fixed connection on the lateral wall of base.

Furthermore, the length direction of the sieve holes is vertical to the rotating shaft of the sand roller, adjacent sieve holes are staggered with each other, and the distance between a sieve sheet and the sand roller is 1.0cm-1.5 cm.

The whitening method of the coix seed brown rice whitening machine comprises the following steps: throw into the coix seed brown rice from the feeder hopper, it relies on gravity to fall to sand roller and sieve piece formation clearance department down, utilize outside drive arrangement, it rotates with the drive wheel transmission through the belt to be connected with the drive sand roller, friction and striking between the both sides face that relies on the clearance and the sand roller, the coix seed brown rice is ground white, the fan work simultaneously, the wind of its production passes through the passageway in proper order, the cavity, the gas pocket, blow towards clearance department, make the bran discharge from row bran structure department, the coix seed brown rice of shelling simultaneously falls out downwards through the sieve mesh.

The invention has the beneficial effects that: compared with the prior art, the method has the advantages that,

1) according to the invention, the sand roller (which is in transmission connection with the transmission wheel through the belt by utilizing an external driving device) and the sieve sheet structure are arranged, the gap is formed between the inner side surface of the sieve sheet and the outer side surface of the sand roller, when coix seed brown rice (with shell) enters the gap, the rotating sand roller husks the coix seed brown rice shell, the husked coix seed brown rice falls downwards through the sieve sheet, the empty shell moves rightwards along the channel, and finally, an opening is formed between the right end of the sieve sheet and the inner right side wall of the base and falls into the bran discharging structure, so that the husking effect is good, and the bran discharging structure can be used for collecting bran intensively, thereby effectively avoiding the problem that the work environment is influenced by the floating of the bran;

2) according to the huller, the feed hopper is close to the left side of the upper seat, the bran discharge structure is close to the right side of the base, and materials fall into the gap for hulling after entering from the feed hopper;

3) according to the invention, the right side of the top opening of the bran discharging structure is aligned with the right side of the discharge port, so that an outlet only discharging (hulled coix seed and brown rice) is formed on the left side of the discharge port, and a bran outlet (without a filter screen) is formed on the right side;

4) the bran discharging structure is provided with the guide plate, the guide plate is inclined to the lower part of the discharge port of the base, the side surface of the guide plate is provided with the discharge port, coix seed brown rice (coix seed brown rice mixed in bran) falling from the discharge port falls to the lower part of the discharge port through the discharge port, the bran storage cavity is arranged, the opening at the top is detachably connected with the mesh enclosure, the bran can be temporarily stored, and the mesh enclosure can prevent the bran from floating disorderly;

5) according to the invention, the fan is arranged, the sand roller is provided with the channel, the cavity and the air outlet, and the air generated by the fan sequentially passes through the channel, the cavity and the air hole and blows towards the gap, so that the movement of the bran can be accelerated, the space for the unhulled coix seed brown rice can be better vacated, and the hulling effect is further improved;

6) according to the invention, the height of the gap is 5-7cm, so that the coix seed brown rice can be better hulled;

7) according to the invention, by arranging the arc-shaped frame structure, a gap is also formed between the arc-shaped frame and the sand roller, so that the shelling efficiency can be improved;

8) according to the invention, the connecting flange is connected to the side wall of the base, and then the body is connected with the connecting hole in a matching manner through the connecting nail and the connecting hole, so that the body and the connecting flange are convenient to disassemble;

9) according to the invention, the inner diameter of one side of the inner side surface of the cylinder body, which is far away from the disc body, is matched with the outer diameter of the outer side surface of the body, and the inner diameter of one side of the inner side surface of the cylinder body, which is close to the disc body, is matched with the inner diameter of the inner side surface of the body, so that the problems that coix seed brown rice is blocked or the coix seed brown rice is damaged due to different radiuses can be avoided between the cylinder body and the inner wall of the body;

10) according to the invention, the cushion rubber pad enables the body to be stressed by the pressure of the coix seed brown rice, and small elastic displacement is generated due to the elasticity of the cushion rubber pad, so that the rigid body is prevented from damaging the coix seed brown rice;

11) according to the invention, the length direction of the sieve pores is vertical to the central axis of the body, so that the breakage rate of the coix seed brown rice is reduced, the probability of hole blockage is reduced, and the extrusion probability of broken rice is reduced;

12) according to the invention, adjacent sieve pores are staggered, so that the friction of the sieve sheets to the coix seed brown rice is reduced, and the broken rice rate is reduced.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a side view of the present invention;

FIG. 4 is a top view of the present invention;

FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;

FIG. 6 is a perspective view of a screen panel of the present invention;

FIG. 7 is an exploded view of a screen panel of the present invention;

fig. 8 is a partial view at B in fig. 7.

Detailed Description

The invention will be further described with reference to the following drawings and specific embodiments:

referring to fig. 1 to 8, a coix seed brown rice whitening machine includes:

the device comprises a base 1, wherein supporting legs 10 are fixedly connected to the bottom of the base 1, a discharge hole 7 is formed in the bottom of the base 1, and the top of the base 1 is open;

the device comprises an upper seat 2, wherein the top of the upper seat 2 is provided with a feed hopper 9, the bottom of the upper seat 2 is hinged with the top of a base 1, and a processing cavity is formed between the base 1 and the upper seat 2;

further comprising:

the grinding roller 3 is rotatably connected with the base 1 through a bearing, spiral grooves distributed along the length direction of the grinding roller 3 are formed in the side surface of the grinding roller 3, the grinding roller 3 is located inside the processing chamber, one end of the grinding roller 3 extends out of the processing chamber and is fixedly connected with a driving wheel 31, and a cavity 32 is fixedly connected to the side surface of the grinding roller 3;

the screen piece 5 is arranged in an arc shape, the side edge of the screen piece 5 is fixedly connected with the inner side wall of the base 1, the surface of the screen piece 5 is provided with screen holes 51, a gap is formed between the inner side surface of the screen piece 5 and the outer side surface of the sand roller 3, the height of the gap is 5-7cm, the left end of the screen piece 5 is fixedly connected with the inner left side wall of the base 1, and the right end of the screen piece 5 and the inner right side wall of the base 1 form an opening;

arrange the chaff structure 8, arrange the chaff structure 8 and be located the below of base 1, arrange the chaff structure 8 and base 1's discharge gate 7 intercommunication.

The feed hopper 9 is close to the left side of the upper seat 2, and the bran discharging structure 8 is close to the right side of the base 1.

The top of row's chaff structure 8 sets up the opening, and 7 width of the discharge gate of base 1 equals with row's chaff structure 8 open-top width, and 7 width length of the discharge gate of base 1 are greater than row's chaff structure 8 open-top length, and the right flank of the discharge gate 7 of base 1 aligns with row's chaff structure 8 open-top right flank.

The bran discharging structure 8 is provided with a material guide plate 81, the material guide plate 81 is inclined below the discharge hole 7 of the base 1, and the side surface of the material guide plate 81 is provided with a discharge hole 82;

the bran discharging structure 8 is provided with a material storage cavity 83, the top of the material storage cavity 83 is open, and the inner side of the top opening of the material storage cavity 83 is detachably connected with a mesh enclosure which is not shown in the attached drawings.

Further comprising: the fan 4 is characterized in that the right side face of the fan 4 is fixedly connected with a connecting column 41, and the right end of the connecting column 41 is fixedly connected with the left side face of the base 1;

a channel 34 is formed in the left end face of the sand roller 3, a cavity 32 is formed in the sand roller 3, the channel 34 is communicated with the cavity 32, an air hole 33 is formed in the side face of the sand roller 3, the air hole 33 is communicated with the cavity 32, and an air outlet of the fan 4 extends into the channel 34.

The inboard of upper bracket 2 is provided with arc frame 6, and the right-hand member of arc frame 6 and the interior right flank fixed connection of upper bracket 2, the left end of arc frame 6 and the interior left flank of upper bracket 2 form the opening.

Further, the sieve sheet 5 includes:

the body 52 is semi-cylindrical, the outer side surfaces of two ends of the body 52 are fixedly connected with more than 2 connecting nails 521, and the connecting nails 521 are uniformly distributed on the outer side surface of the body 52 around the central axis of the body 52;

the connecting flanges 53, the connecting flanges 53 include 2, the connecting flanges 53 include a disk body 531 and a cylinder body 532, the disk body 531 is semi-disc-shaped, more than 2 screw holes are formed in the disk body 531, the cylinder body 532 is semi-cylindrical, one end of the cylinder body 532 is fixedly connected to one end face of the disk body 531, the cylinder body 532 is coaxial with the disk body 531, connecting holes 5321 uniformly distributed on the side portion of the cylinder body 532 around the central axis of the cylinder body 532 are formed in the cylinder body 532, the 2 connecting flanges 53 are connected to two ends of the body 52 through matching of connecting nails 521 and the connecting holes 5321, the inner diameter of one side of the inner side of the cylinder body 532, which is far away from the disk body 531, is matched with the outer diameter of the outer side of the body 52, and the inner diameter of one side of the inner side of the cylinder body 532, which is close to the disk body 531, is matched with the inner diameter of the inner side of the body 52;

the buffer rubber pad 54 is arranged between the cylinder 532 and the body 52;

wherein the body 52 is fixedly connected to the sidewall of the base through a connecting flange 53.

Further, the length direction of the screen holes 51 is vertical to the rotating shaft of the sand roller 3, the adjacent screen holes 51 are staggered, and the distance between the screen sheet 5 and the sand roller 3 is 1.0cm-1.5 cm.

The whitening method of the coix seed brown rice whitening machine comprises the following steps: throw into the coix seed brown rice from feeder hopper 9, it relies on gravity to fall to emery roller 3 and sieve piece 5 formation clearance department, utilize outside drive arrangement, it drives emery roller 3 and rotates with drive wheel 31 transmission through the belt, rely on friction and striking between the both sides face in clearance and the emery roller 3, carry out the whitening to the coix seed brown rice, fan 4 work simultaneously, the wind of its production passes through passageway 34 in proper order, cavity 32, gas pocket 33, blow towards clearance department, make the chaff discharge from row chaff structure 8, the coix seed brown rice of peeling simultaneously falls out downwards through sieve mesh 51.

The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.