CN219765408U - Rice polishing machine - Google Patents

Abstract

The utility model belongs to the technical field of polishing machines, in particular to a rice polishing machine, which comprises a rice outlet arranged on one side surface of a box body, wherein a plurality of struts are fixedly connected to the bottom of the box body, a fixed plate is fixedly connected to the outer wall of each strut, a motor is fixedly connected to the side wall of each fixed plate, a bran removing opening is arranged on the other side surface of the box body, the bran removing device comprises a shaking plate and a fan, the shaking plate is movably arranged in the box body and used for shaking rice, the fan blows off bran in the rice, the polishing device comprises a polishing column rotatably arranged in the box body, a polishing rod is rotatably arranged on the polishing column, the water spraying device comprises a water inlet pipe and a water outlet rod, the water inlet pipe is fixedly connected to the inside of the box body and used for guiding water flow, and the water outlet rod is used for spraying water to the rice. According to the rice polishing device, the rice and the bran are separated before polishing by the bran discharging device, the rice is wetted by the water spraying device, the polishing rollers of the polishing device increase the areas of the rice and the polished surface, and the polished rice is cleaner and cleaner.

Description

Rice polishing machine

Technical Field

The utility model belongs to the field of polishing machines, and particularly relates to a rice polishing machine.

Background

The rice polishing machine is mainly used for removing bran powder adhered to the surface of the rice. The surface of the rice is provided with a waxy protective layer after polishing, so that the rice can be prevented from adhering to rice bran or falling off from rice flour in the links of production, storage, transportation and sales, the cleanness and sanitation of the rice can be ensured, the quality and commodity value of finished rice can be improved, but before polishing, the rice bran in the rice is mixed in the rice by a rice polishing machine, the rice bran is required to be washed out again after polishing, the cleanness and sanitation of the rice are affected, and when the rice is polished, the rice is required to be wetted, water is sprayed, and the uniformity of water spraying affects the polishing effect of the rice.

One patent application with publication number of CN213376768U discloses a rice polishing machine, which comprises a base and a stirring tank obliquely arranged on the base, wherein spiral stirring blades are arranged on the inner wall of the stirring tank, a first roller device and a second roller device are arranged on the base, the high-position side of the stirring tank is rotatably supported on the first roller device, the low-position side of the stirring tank is rotatably supported on the second roller device, and a first driving motor for driving the stirring tank to rotate is arranged on the base; the high-order end of agitator tank is as rice feed inlet, and the open end of agitator tank is connected with the end cover, installs the rice polishing roller in the agitator tank, the second driving motor of drive rice polishing roller pivoted is installed to the bottom of agitator tank. According to the utility model, the stirring tank and the polishing roller synchronously rotate, so that the rice is fully contacted with the polishing roller, and the polishing uniformity of the rice is effectively improved.

Therefore, the polishing area of the polishing rod is increased by the rice polishing machine, the polishing uniformity of rice is improved, but the rice needs to be polished before polishing, water needs to be added, the effect of polishing the rice can be affected by the uniformity of the water added by the rice, and when the rice is polished, a small amount of rice bran still exists in the rice, the quality of the rice can be affected in the transportation and storage of the rice, and the problem is not solved by the scheme.

To this end, the present utility model provides a rice polishing machine.

Disclosure of Invention

In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.

The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a rice polishing machine, which comprises a box body, wherein a rice outlet and a bran removing opening are formed in the box body, a plurality of struts are fixedly connected to the bottom of the box body, a fixing plate is fixedly connected to the outer wall of each strut, a motor is fixedly connected to the side wall of the fixing plate, and the rice polishing machine further comprises:

the bran removing device is used for removing bran from rice and comprises a shaking plate and a fan, wherein the shaking plate is movably arranged in the box body and used for shaking the rice, and the fan is used for blowing away bran in the rice; and

the polishing device is used for polishing rice and comprises a polishing column rotatably arranged in the box body, and a polishing rod is rotatably arranged on the polishing column; and

the water spraying device for wetting the rice comprises a water inlet pipe and a water outlet rod, wherein the water inlet pipe is fixedly connected to the inside of the box body and used for guiding water flow, and the water outlet rod is used for spraying water to the rice.

The polishing device comprises a power plate fixedly connected with an output shaft of a motor, a fixing rod is fixedly connected to the top end of the power plate, a polishing column is fixedly connected to the top end of the fixing rod, a limiting column is connected to the inner wall of the power plate in a rolling mode, rotary inner teeth are fixedly connected to the inner wall of the polishing column, polishing helical teeth are arranged on the polishing rod, and fixed teeth and rotary helical teeth which are respectively meshed with the rotary inner teeth and the polishing helical teeth in a transmission mode are arranged on the limiting column.

The bran removing device comprises a supporting column fixedly connected inside a box body, a power column is arranged in the supporting column in a rolling manner, power helical teeth meshed with annular teeth are arranged on the power column, a cylinder is fixedly connected with the inner wall of the box body, a driven column is arranged in the cylinder in a rolling manner, the driven column is in meshed transmission with the power column, a reciprocating screw rod is arranged in the box body in a rotating manner, a shaking plate is arranged in the outer side of the reciprocating screw rod in a rotating manner, the reciprocating screw rod and the driven column are transmitted through a worm and gear mechanism, the worm and gear mechanism comprises a worm gear column, a worm gear and a worm gear, the worm gear is rotatably arranged in the box body and in meshed transmission with the driven column, the worm gear is fixedly connected with the reciprocating screw rod, the worm gear column is in meshed transmission with the worm gear through the worm gear and the worm gear, a plurality of fans are rotatably arranged in the fixing block, a rotating column is rotatably arranged in the box body, the rotating column is in meshed transmission with the rotating helical teeth, and the rotating column is in meshed transmission with the driven column.

The water spraying device comprises a water inlet pipe fixedly connected to the top of the limiting column, a first meshing ring is arranged on the outer wall of the limiting column in a rolling manner, a water flow groove is formed in the inner portion of the first meshing ring, a water outlet groove communicated with the water inlet pipe and the water flow groove is formed in the side wall of the limiting column, a water outlet rod is arranged on the inner portion of the polishing column in a rolling manner, a second meshing ring is arranged on the outer wall of the water outlet rod in a rolling manner, a water outlet pipe which is respectively communicated with the first meshing ring and the second meshing ring is fixedly arranged on the second meshing ring, and a water outlet hole is formed in the bottom of the water outlet rod.

Remove bran mouth inner wall sliding connection has the division board, division board inner wall fixedly connected with a plurality of baffles, removes bran mouth and blows off the box with the bran when the fan rotates for bran and rice separation, but still have a small amount of rice can be blown off the box, the division board can prevent that rice from being blown off the box this moment, division board inner wall a plurality of baffles can intercept at the fan a small amount of rice that blows off when rotating, make rice can not be extravagant, has practiced thrift the grain.

The power ring is fixedly connected to the bottom end of the limiting column, the outer wall of the power ring is slidably connected to the inner wall of the power plate, when the power plate rotates, the power ring and the limiting column which are in rolling connection with the inner wall can stably rotate, the gear engagement at the upper end is kept, the fixing effect is achieved, and the structure at the upper end is more stable.

The beneficial effects of the utility model are as follows:

1. according to the rice polishing machine, the bran removing device is matched with the fan device, in the bran removing process, the polishing rod can rotate along with the polishing column and simultaneously rotate, the polishing effect on rice is better, the bran is removed by shaking the rice before polishing, and meanwhile, the bran is blown away by the fan, so that the cleanliness of the rice is improved.

2. According to the rice polishing machine, the polishing column drives the polishing rod to rotate through the structures of the rotary internal teeth, the rotary oblique teeth and the like in the rotating process, an electric device for driving the polishing rod to rotate is not required to be additionally arranged, the structure is simple, and the use cost is low.

3. According to the rice polishing machine, the polishing column drives the fan to rotate through the power column, the driven column and the rotating column in the rotating process, and an electric device for driving the fan is additionally arranged, so that the rice polishing machine is simple in structure and low in use cost.

4. According to the rice polishing machine, the driven column, the reciprocating screw rod and the worm and gear mechanism drive the shaking plate to vibrate in the rotating process of the polishing column, so that the rice is shaken, bran removal and bran blowing are conveniently performed, and the rice polishing machine is simple in structure and convenient to use.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is an overall outline view of the present utility model;

FIG. 2 is a cross-sectional view of the overall profile of the present utility model;

FIG. 3 is a cross-sectional view of the present novel polishing apparatus;

FIG. 4 is a cross-sectional view of the bran removing apparatus of the present utility model;

FIG. 5 is an enlarged view of the water jet apparatus of the present utility model;

fig. 6 is a cross-sectional view of the water jet device of the present utility model.

In the figure:

1. a case; 11. a rice outlet; 12. a motor; 13. a support post; 14. a separator plate; 15. removing bran; 16. a partition plate; 17. a fixing plate;

2. a polishing device; 21. a power plate; 22. a fixed rod; 23. a limit column; 231. a power ring; 24. polishing the column; 241. annular teeth; 25. rotating the internal teeth; 26. a fixed tooth; 27. rotating helical teeth; 28. polishing the helical teeth; 29. polishing stick;

3. a bran removing device; 31. power helical teeth; 32. a power column; 321. a support column; 33. a driven column; 331. a cylinder; 34. a worm wheel post; 35. a worm gear; 36. a worm gear; 37. a reciprocating screw rod; 38. a shaking plate; 39. a spin column; 391. a fixed block; 392. a fan; 393. rotating the helical teeth;

4. a water spraying device; 41. a first engagement ring; 42. a water outlet pipe; 43. a second engagement ring; 44. a water outlet stick; 45. a water inlet pipe; 46. a water flow groove; 47. a water outlet groove; 48. and a water outlet hole.

Detailed Description

The utility model is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Example 1

As shown in fig. 1 to 6, the rice polishing machine according to the embodiment of the utility model includes a case 1 provided with a rice outlet 11 and a bran removing opening 15, a plurality of struts 13 fixedly connected to the bottom of the case 1, a fixing plate 17 fixedly connected to the outer wall of the struts 13, and a motor 12 fixedly connected to the side wall of the fixing plate 17, and further includes:

the bran removing device 3 is used for removing bran from rice, the bran removing device 3 comprises a shaking plate 38 and a fan 392, the shaking plate 38 is movably arranged in the box body 1 and used for shaking the rice, and the fan 392 is used for blowing away bran in the rice; and

the polishing device 2 is used for polishing rice, the polishing device 2 comprises a polishing column 24 rotatably arranged in the box body 1, and a polishing rod 29 is rotatably arranged on the polishing column 24; and

the water spraying device 4 for wetting rice comprises a water inlet pipe 45 and a water outlet rod 44, wherein the water inlet pipe 45 is fixedly connected to the inside of the box body 1 and used for guiding water flow, and the water outlet rod 44 is used for spraying water to rice.

Specifically, the motor 12 is turned on to pour rice into the bran removing device 3, the bran removing device 3 is driven by the motor 12 to drive the shaking plate 38 to shake and the fan 392 to start rotating to remove bran, the bran is removed and blown out through the bran removing opening 15, clean and sanitary rice is guaranteed, the bran removing is not needed after rice polishing, rice is stored, and then falls into the box 1, at this time, the output shaft of the motor 12 drives the polishing column 24 and the polishing rod 29 of the polishing device 2 to start rotating to polish rice, the polishing column 24 is in rolling connection with the water spraying device 4, when water needs to be added for moistening rice, water is communicated with the water pipe, water flows into the water outlet rod 44 through the water inlet pipe 45, the rice is sprayed from the water outlet rod 44, manual water adding is not needed, the manual work is reduced, the water flow is evenly sprayed on the rice through the water spraying device 4, the rice is fully moistened when the rice is added before polishing, and the polished rice continuously enters the box 1, and the polished rice flows out of the water outlet 11.

As shown in fig. 3, the polishing device 2 comprises a power plate 21 fixedly connected with an output shaft of the motor 12, a fixed rod 22 is fixedly connected to the top end of the power plate 21, a polishing column 24 is fixedly connected to the top end of the fixed rod 22, a limit column 23 is connected to the inner wall of the power plate 21 in a rolling manner, rotary internal teeth 25 are fixedly connected to the inner wall of the polishing column 24, polishing helical teeth 28 are arranged on polishing rods 29, and fixed teeth 26 and rotary helical teeth 27 which are respectively meshed with the rotary internal teeth 25 and the polishing helical teeth 28 are arranged on the limit column 23.

Specifically, when the motor 12 rotates, the fixedly connected power plate 21 is driven to rotate, at this time, the fixedly connected fixing rod 22 and the polishing column 24 synchronously rotate to drive the internal teeth 25 of the polishing column 24 to rotate, the limiting column 23 of the power plate 21 is fixed on the inner wall, a plurality of rotary helical teeth 27 on the outer wall of the limiting column 23 are fixed, at this time, polishing helical teeth 28 fixedly connected with the end parts of a plurality of polishing rods 29 on the outer wall of the rotary polishing column 24 are meshed with the rotary helical teeth 27, and start autorotation to polish rice, the polishing rods 29 are beneficial to increasing the polishing area of the rice, and the polishing column 24 rotates to drive the top end annular teeth 241 to rotate.

As shown in fig. 4, the bran removing device 3 includes a support post 321 fixedly connected inside the box 1, a power post 32 is mounted in the support post 321 in a rolling manner, a power helical gear 31 meshed with an annular gear 241 is mounted on the power post 32, a cylinder 331 is fixedly connected to the inner wall of the box 1, a driven post 33 is mounted in the cylinder 331 in a rolling manner, the driven post 33 is meshed with the power post 32 for transmission, a reciprocating screw 37 is mounted in the inner rotation of the box 1, a shaking plate 38 is mounted in the outer rotation of the reciprocating screw 37, transmission is performed between the reciprocating screw 37 and the driven post 33 through a worm and gear mechanism, the worm and gear mechanism includes a worm post 34, a worm gear 35 and a worm gear 36, the worm post 34 is rotatably mounted in the box 1 and meshed with the driven post 33 for transmission, the worm gear 36 is fixedly connected to the reciprocating screw 37, the worm post 34 is transmitted through the worm gear 35 and the worm gear 36, a fixed block 391 is fixedly connected to the inner portion of the box 1, a plurality of fans 392 are rotatably mounted in the inner rotation of the fixed block 391, a rotary helical gear 39 is mounted in the inner rotation of the box 1, and the rotary post 39 is meshed with the driven post 393, and the rotary helical gear 39 is meshed with the driven post 33.

Specifically, when the output shaft of the motor 12 drives the polishing column 24 to rotate, the ring teeth 241 at the top end synchronously rotate and mesh with the power helical teeth 31 to drive the power helical teeth 31 to rotate, and the power column 32 fixedly connected with the power helical teeth 31 is arranged onThe inner wall of the word post 321 rotates in a rolling way, at this moment, the gear at the other end of the power post 32 is meshed with the gear at the middle part of the driven post 33, the driven post 33 is driven to rotate, the outer wall of the driven post 33 is in rolling connection with the cylinder 331, the driven post 33 rotates on the inner wall of the cylinder 331, the gear at one end of the driven post 33 is meshed with the worm post 34, the worm post 34 is driven to rotate, the worm gear 35 fixedly connected with the upper end rotates, the worm gear 35 rotates to drive the worm gear 36 to rotate, the reciprocating screw 37 fixedly connected with the worm gear 36 synchronously rotates, the outer surface of the reciprocating screw 37 is threaded and meshed with the shaking plate 38, the reciprocating screw 37 rotates to drive the shaking plate 38 to do left-right shaking motion, the gear at the other end of the driven post 33 is meshed with the gear at the outer wall of the rotating post 39, the rotating post 39 is driven to rotate, the rotating post 39 is fixedly connected with a plurality of bevel gears to be meshed with the rotating bevel gears 393 at the end parts of the fans 392, the rotating post 39 is in rolling connection with the outer wall of the fixed block 391, the rotating post 39 is enabled to rotate on the outer wall of the fixed block 391, the rice is subjected to bran blowing and the rice to be separated from the bran when polished, and the rice is polished.

As shown in fig. 5, the water spraying device 4 includes a water inlet pipe 45 fixedly connected to the top of the limit post 23 in the case 1, a first engagement ring 41 is installed on the outer wall of the limit post 23 in a rolling manner, a water flow groove 46 is formed in the first engagement ring 41, a water outlet groove 47 for communicating the water inlet pipe 45 with the water flow groove 46 is formed in the side wall of the limit post 23, a water outlet rod 44 is installed in the polishing post 24 in a rolling manner, a second engagement ring 43 is installed on the outer wall of the water outlet rod 44 in a rolling manner, a water outlet pipe 42 which is respectively communicated with the first engagement ring 41 and the second engagement ring 43 is fixedly installed on the second engagement ring 43, and a water outlet hole 48 is formed in the bottom of the water outlet rod 44.

Specifically, when the polishing column 24 rotates, the first engagement ring 41 rolling-connected to the outer wall of the top end of the limiting column 23 prevents the polishing column 24 from twisting to the water outlet pipe 42, when the water inlet pipe 45 fixedly connected to the side wall of the top end of the limiting column 23 is filled with water, the water flows into the groove on the inner wall of the top end of the limiting column 23, flows out of the water outlet groove 47 and enters the water flow groove 46 in the first engagement ring 41, at this time, the outer wall of the first engagement ring 41 is connected with the water outlet pipe 42, the water outlet pipe 42 flows into the second engagement ring 43 and enters the water outlet rod 44, and then flows out of the water outlet hole 48, and when the polishing column 24 rotates, the water flow is uniformly sprayed in the box 1, so that the water adding spraying of an artificial canal is reduced, the uniformity of spraying ground is maintained, the rice is uniformly wetted, and the polishing ground effect of the rice can be effectively improved.

As shown in fig. 2, the inner wall of the bran removing port 15 is slidably connected with a partition plate 14, the inner wall of the partition plate 14 is fixedly connected with a plurality of partition plates 16,

specifically, the bran removing opening 15 blows bran out of the box 1 when the fan 392 rotates, so that bran and rice are separated, but a small amount of rice still can be blown out of the box 1, the partition plate 14 can prevent the rice from being blown out of the box 1, the plurality of partition plates 16 on the inner wall of the partition plate 14 can intercept a small amount of rice blown away by the fan 392 when the fan 392 rotates, the problem that the rice can be carried out when the bran is blown out is solved, the waste of the rice is reduced, and grains are saved.

As shown in fig. 3, since the limiting post 23 is fixed by the top water inlet pipe 45 and cannot rotate, if the limiting post is directly connected to the power plate 21 in a rolling manner, the bottom end of the limiting post 23 is fixedly connected with the power ring 231, and the outer wall of the power ring 231 is slidably connected to the inner wall of the power plate 21.

Specifically, when the power plate 21 rotates, the power ring 231 and the limit post 23 which are in rolling connection with the inner wall can stably rotate, so that the gear at the upper end is kept meshed, the fixing effect is achieved, and the structure at the upper end is more stable.

Working principle: the motor 12 is turned on, the motor 12 drives the power plate 21 to rotate, the polishing rod 29 at the upper end is driven to rotate, the limiting column 23 on the inner wall of the power plate 21 is fixed, the polishing rod 29 on the outer wall of the polishing column 24 is meshed with the gear on the outer wall of the limiting column 23, the polishing rod 29 rotates while rotating, the annular teeth 241 at the top end of the polishing column 24 rotate to drive the driven column 33 in rolling connection with the inner wall of the box 1 to rotate, the gears on the two ends of the driven column 33 are meshed to drive the reciprocating screw 37 and the rotating column 39 to synchronously rotate, the reciprocating screw 37 is mixed to enable the shaking plate 38 to move back and forth, the rice is shaken to the inlet of the box 1 on a slope, the gears of the rotating column 39 are meshed with the end gear of the fan 392 to drive the fan 392 to rotate, when the rice falls into the box 1, bran is removed from the bran removing inlet 15, when the rice is blown with the bran, the rice can exist, the condition that the rice is blown away by the ground, the insulating plate 14 can stop the rice from being blown away, the water inlet pipe 45, the polishing rod 24 rotates while driving the water outlet 44 to rotate to drive the rice to rotate, the polished rod 44 can be wetted out of the rice, and the polished rice can be wetted out of the rice 11, and the polished area can be increased.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. A rice polishing machine, characterized in that: including box (1), be provided with out rice mouth (11) and remove bran mouth (15) on box (1), box (1) bottom fixedly connected with a plurality of pillars (13), pillar (13) outer wall fixedly connected with fixed plate (17), fixed plate (17) lateral wall fixedly connected with motor (12), still include:

the bran removing device (3) is used for removing bran from rice, the bran removing device (3) comprises a shaking plate (38) and a fan (392), the shaking plate (38) is movably arranged in the box body (1) and used for shaking the rice, and the fan (392) is used for blowing away bran in the rice;

the polishing device (2) is used for polishing rice, the polishing device (2) comprises a polishing column (24) rotatably arranged in the box body (1), and a polishing rod (29) is rotatably arranged on the polishing column (24); and

the water spraying device (4) is used for wetting rice, the water spraying device (4) comprises a water inlet pipe (45) and a water outlet rod (44), the water inlet pipe (45) is fixedly connected to the inside of the box body (1) and used for guiding water flow, and the water outlet rod (44) is used for spraying water to the rice.

2. The rice polishing machine of claim 1, wherein: the polishing device (2) comprises a power plate (21) fixedly connected with an output shaft of a motor (12), a fixing rod (22) is fixedly connected to the top end of the power plate (21), a polishing column (24) is fixedly connected to the top end of the fixing rod (22), a limit column (23) is connected to the inner wall of the power plate (21) in a rolling mode, an inner tooth (25) is rotationally connected to the inner wall of the polishing column (24), polishing helical teeth (28) are arranged on a polishing rod (29), and fixing teeth (26) and rotary helical teeth (27) which are respectively meshed with the rotary inner teeth (25) and the polishing helical teeth (28) are arranged on the limit column (23).

3. The rice polishing machine of claim 1, wherein: the bran removing device (3) comprises a supporting column (321) fixedly connected inside a box body (1), a power column (32) is rotatably arranged in the supporting column (321), a power inclined tooth (31) meshed with an annular tooth (241) is arranged on the power column (32), a cylinder (331) is fixedly connected to the inner wall of the box body (1), a driven column (33) is rotatably arranged inside the cylinder (331), the driven column (37) is in meshed transmission with the power column (32), a reciprocating screw (37) is rotatably arranged inside the box body (1), a shaking plate (38) is rotatably arranged outside the reciprocating screw (37) and is in transmission with the driven column (worm gear), the worm gear (35) comprises a worm gear column (34), a worm gear (36) and a worm gear (36), the worm gear column (34) is rotatably arranged inside the box body (1), the driven column (331) is fixedly connected to the reciprocating screw (37) in a meshed transmission manner, the worm gear (33) is fixedly connected with the worm gear (33) through the worm gear (33), and the worm gear (33) is fixedly connected with the inside of the box body (392), the fan (392) is fixedly connected with rotary helical teeth (393), a rotary column (39) is rotatably arranged in the box body (1), the rotary column (39) is in meshed transmission with the rotary helical teeth (393), and the rotary column (39) is in meshed transmission with the driven column (33).

4. The rice polishing machine of claim 2, wherein: the water spraying device (4) comprises a box body (1) fixedly connected with a water inlet pipe (45) at the top of a limiting column (23), a first meshing ring (41) is installed on the outer wall of the limiting column (23) in a rolling mode, a water flow groove (46) is formed in the first meshing ring (41), a water outlet groove (47) communicated with the water inlet pipe (45) and the water flow groove (46) is formed in the side wall of the limiting column (23), a water outlet rod (44) is installed on the inner wall of the polishing column (24) in a rolling mode, a second meshing ring (43) is installed on the outer wall of the water outlet rod (44) in a rolling mode, and a water outlet pipe (42) which is respectively communicated with the first meshing ring (41) and the second meshing ring (43) is installed on the second meshing ring (43), and water outlet holes (48) are formed in the bottom of the water outlet rod (44).

5. The rice polishing machine of claim 1, wherein: the bran removing opening (15) is characterized in that the inner wall of the bran removing opening (15) is connected with a division plate (14) in a sliding mode, and a plurality of division plates (16) are fixedly connected to the inner wall of the division plate (14).

6. The rice polishing machine of claim 2, wherein: the bottom end of the limiting column (23) is fixedly connected with a power ring (231), and the outer wall of the power ring (231) is slidably connected with the inner wall of the power plate (21).