CN115069330A

CN115069330A - Automatic change rice polishing equipment

Info

Publication number: CN115069330A
Application number: CN202210758260.XA
Authority: CN
Inventors: 龚育冬
Original assignee: Guizhou Zhongyu Huanong Grain And Oil Co ltd
Current assignee: Guizhou Zhongyu Huanong Grain And Oil Co ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-09-20

Abstract

The invention relates to the technical field of rice processing, and provides automatic rice polishing equipment, which comprises an installation frame, a fixed pipe and a rotating assembly: the rice milling device comprises a mounting frame, a feeding hopper, a discharging pipe, a rotating assembly and a discharging pipe, wherein the mounting frame is fixedly connected with a shell, the top of the shell is communicated with the feeding hopper, two symmetrical rice milling rollers are rotatably arranged in the shell, the shell is provided with the rotating assembly for enabling the two rice milling rollers to rotate oppositely, and the bottom of the shell is communicated with the discharging pipe; the fixed pipe is fixedly arranged on the mounting frame, is positioned below the shell and is in an inclined state. According to the rice polishing device, rice to be polished can be poured into the feeding hopper, the rice can enter between the sleeve and the rotating column and gradually roll downwards through gravity, and the rice can be rolled by the polishing block rotating along with the rotating column while rolling, so that the rice can be secondarily polished when passing between the sleeve and the rotating column, the rice polishing effect is improved, and the rice can be effectively polished with high quality.

Description

Automatic change rice polishing equipment

Technical Field

The invention relates to the technical field of rice processing, in particular to automatic rice polishing equipment.

Background

Rice is also called rice. Is obtained by hulling rice and grinding rice into coarse skin, and can be eaten. The rice is one of the main grains of human beings and also one of the main grains of Asians, and about one half of people all over the world eat the rice. The areas commonly regarded as staple food are in asia and down streets in various regions.

Polishing is an important process for changing paddy into rice and is used for removing a small amount of bran powder on the outer surface of rice grains. The polished rice is more crystal clear, smooth in surface, bright in color and luster and excellent in visual sense, and meanwhile, the storage property of the rice can be improved, so that the appearance effect and the commodity value are higher.

And current rice polishing equipment is when polishing the rice, often through polishing the roller polishing, each grain of rice is difficult all to carry out the contact of sufficient time with the roller in practical application for partial grain of rice can not realize effective polishing, and its polishing effect is not good, therefore it is necessary to design an automatic rice polishing equipment to solve this kind of problem.

Disclosure of Invention

The invention aims to provide automatic rice polishing equipment to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides an automatic change rice polishing equipment, includes mounting bracket, fixed pipe and runner assembly: the rice milling device comprises a mounting frame, a feeding hopper, a discharging pipe, a rotating assembly and a discharging pipe, wherein the mounting frame is fixedly connected with a shell, the top of the shell is communicated with the feeding hopper, two symmetrical rice milling rollers are rotatably arranged in the shell, the shell is provided with the rotating assembly for enabling the two rice milling rollers to rotate oppositely, and the bottom of the shell is communicated with the discharging pipe; the fixed pipe is fixedly arranged on the mounting frame, is positioned below the shell and is in an inclined state, one side of the top of the fixed pipe is communicated with a material receiving hopper positioned right below the material discharging pipe, a sleeve is rotatably inserted in the fixed pipe, a rotating column positioned in the sleeve is further rotatably arranged in the fixed pipe, and a plurality of grinding blocks which are in a semi-sphere structure and are contacted with the inner peripheral side of the sleeve are densely formed on the circumferential surface of the rotating column; the rotating assembly is arranged on the fixed pipe and can enable the sleeve and the rotating column to rotate in opposite directions.

Preferably, fixedly connected with mounting panel one on the mounting bracket, two annular mounts of fixedly connected with on the mounting panel one, fixed pipe includes two fixed body of pegging graft in corresponding annular mount respectively, the fixed annular plate that has cup jointed of telescopic periphery side, just the annular plate rotates to be connected between two bodys for the sleeve can form the rotation connection in two bodys.

Preferably, fixedly connected with mounting panel two on the mounting bracket, one side of mounting panel two is rotated through the bearing and is connected with pivot one, one side of pivot one alternates to the fixed tube in through the bearing, just it cup joints on pivot one to rotate the post is fixed, the runner assembly includes that fixed the initiative spur gear one of cup jointing in pivot one, one side of mounting panel two is rotated through the bearing and is connected with the dwang, the fixed driven spur gear one that has cup jointed in circumference surface one side of dwang, just one side of mounting panel two is rotated and is connected with and is located between initiative spur gear one and the driven spur gear one and through tooth and its engaged with carrier gear, the periphery side of annular toothed groove plate has seted up the round, one side that driven spur gear one was kept away from to the circumference surface of dwang is fixed to cup joint through toothed groove and annular plate engaged with drive gear, just be provided with on the mounting panel two and be used for driving pivot one to carry out pivoted driving piece, when the first rotating shaft rotates, the first rotating column and the first driving straight gear can be driven to rotate, the first driving straight gear can drive the first carrier gear and the first driven straight gear to rotate through the matching of teeth, the driving gear can drive the annular plate to rotate through the tooth grooves along with the rotation of the rotating rod, the rotating direction of the annular plate is opposite to that of the driving gear and the first driving straight gear, and the sleeve can rotate in a direction opposite to that of the rotating column.

Preferably, the driving piece includes motor one of fixed mounting on mounting panel two, one side that the fixed pipe was kept away from to pivot one runs through mounting panel two and with the terminal fixed connection of output shaft of motor one, can realize when the output shaft of motor one that drive pivot one carries out pivoted purpose.

Preferably, the fixed connecting pipe that is provided with on the mounting bracket one, one side intercommunication of connecting pipe one has a plurality of chaff pipes of inhaling that are upper and lower distribution, every inhale the chaff pipe and keep away from one side of connecting pipe one and all feed through in one side of discharging pipe, it receives the chaff box for the open-ended to place the top on the mounting bracket, just inhale the chaff pipe and can inhale the chaff powder in the discharging pipe to receiving the chaff box in, inhale the chaff pipe and just can inhale the chaff powder that the rice surface was polished and is come off and store in receiving the chaff box.

Preferably, fixed mounting has the fan on the mounting bracket, one side intercommunication of connecting pipe one is at the air intake of fan, the air outlet intercommunication of fan has and is vertical axial and is located the connecting pipe two directly over receiving the chaff box, and every inhale the equal fixedly connected with filter screen in one side that the chaff pipe kept away from connecting pipe one, can inhale the chaff pipe with the chaff powder in the discharging tube under the effect of fan, and the rice is greater than the chaff powder because its weight to can not inhaled by wind-force, and the filter screen also can block that the rice can accidentally get into to inhaling the chaff pipe.

Preferably, be connected with two bilateral symmetry and be axial pivot two around being through the bearing rotation in the casing, two the rice milling roller is fixed cup joint respectively on two pivot two for the rice milling roller can form the rotation connection in the casing.

Preferably, the rotating assembly sets up at the casing back and is left right axis's rotation axis including rotating, the equal fixedly connected with drive bevel gear in both sides of rotation axis, two the back of pivot two all runs through casing and fixedly connected with and corresponds drive bevel gear engaged with driven bevel gear, be provided with on the casing and be used for driving the rotation axis and carry out pivoted drive assembly, can drive two drive bevel gear when the rotation axis rotates and rotate, two drive bevel gear then can drive two driven bevel gear rotations through the cooperation of tooth to reach two pivots of drive and the rice milling roller and carry out pivoted mesh in opposite directions.

Preferably, the driving assembly comprises a second motor fixedly installed on the back face of the shell, the axial direction of an output shaft of the second motor is parallel to the rotating shaft, the tail end of the second motor is fixedly connected with a second driving straight gear, the second driving straight gear is fixedly sleeved on the rotating shaft and meshed with the second driving straight gear, and the second driving straight gear can be driven to rotate when the output shaft of the second motor rotates, so that the rotating effect of the driving rotating shaft is achieved.

Compared with the prior art, the invention has the beneficial effects that:

1. the rice polishing device can pour the rice to be polished into the feed hopper, the rice can firstly enter the shell and be subjected to primary surface polishing by the two rice polishing rollers, the primarily polished rice can fall into the receiving hopper through the discharge pipe and enter the fixed pipe, the sleeve and the rotating column in the fixed pipe can rotate in opposite directions under the action of the rotating assembly, the rice can enter the space between the sleeve and the rotating column and gradually roll downwards through gravity, the rice can be rolled by the polishing block rotating along with the rotating column during rolling, the rice can be subjected to secondary polishing when passing through the space between the sleeve and the rotating column, the rice stays in the fixed pipe for a long time, and the rice can have enough time to contact with the sleeve, the rotating column and the polishing block which rotate oppositely, so that the rice polishing effect is improved, and the rice can be effectively polished, And (5) high-quality polishing processing.

2. The rice bran collector can suck bran powder in the discharge pipe into the bran suction pipe under the action of the fan, rice cannot be sucked by wind power due to the fact that the weight of the rice is larger than that of the bran powder, the filter screen can prevent the rice from accidentally entering the bran suction pipe, and the bran powder can fall into the bran collection box to be collected after passing through the connecting pipe I and the connecting pipe II in the bran suction pipe.

Drawings

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

FIG. 2 is a schematic top view of the structure of the present invention;

FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2 according to the present invention;

FIG. 4 is an exploded view of the fixed tube structure of the present invention;

FIG. 5 is a disassembled view of the discharge tube structure of the present invention;

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

FIG. 7 is an enlarged view of the structure at B in FIG. 6 according to the present invention;

in the figure: 1. a mounting frame; 2. a housing; 201. a feed hopper; 3. a rice milling roller; 31. a second rotating shaft; 4. a rotating assembly; 41. a rotating shaft; 42. a drive bevel gear; 43. a driven bevel gear; 44. a second motor; 45. a second driving straight gear; 46. a driven straight gear II; 5. a fixed tube; 51. a pipe body; 52. an annular plate; 53. a receiving hopper; 6. a sleeve; 7. rotating the column; 8. grinding blocks; 9. a first mounting plate; 10. an annular fixing frame; 11. a second mounting plate; 12. a first driving straight gear; 13. a first rotating shaft; 14. a carrier gear; 15. rotating the rod; 16. a first driven spur gear; 17. a drive gear; 18. a tooth socket; 19. a discharge pipe; 20. a first connecting pipe; 21. a bran sucking pipe; 22. filtering with a screen; 23. a bran collecting box; 24. a fan; 25. and a second connecting pipe.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

Referring to fig. 1 to 7, the present invention provides an automatic rice polishing apparatus: including mounting bracket 1, fixed pipe 5 and runner assembly: a shell 2 is fixedly connected to the mounting rack 1, the top of the shell 2 is communicated with a feed hopper 201, two symmetrical rice milling rollers 3 are rotationally arranged in the shell 2, a rotating assembly 4 used for enabling the two rice milling rollers 3 to rotate oppositely is arranged on the shell 2, and the bottom of the shell 2 is communicated with a discharge pipe 19; the fixed pipe 5 is fixedly arranged on the mounting frame 1, is positioned below the shell 2 and is in an inclined state, one side of the top of the fixed pipe 5 is communicated with a material receiving hopper 53 positioned right below the material discharging pipe 19, a sleeve 6 is rotatably inserted in the fixed pipe 5, a rotating column 7 positioned in the sleeve 6 is also rotatably arranged in the fixed pipe 5, and a plurality of grinding blocks 8 which are in a semi-sphere structure and are contacted with the inner peripheral side of the sleeve 6 are densely formed on the circumferential surface of the rotating column 7; the rotating assembly is arranged on the fixed pipe 5, the rotating assembly can enable the sleeve 6 and the rotating column 7 to rotate in opposite directions, through the design, rice to be polished can be poured into the feeding hopper 201, the rice can firstly enter the shell 2 and is subjected to primary surface polishing and polishing through the two rice milling rollers 3, the primarily polished rice can fall into the receiving hopper 53 through the discharging pipe 19 and enters the fixed pipe 5, the sleeve 6 and the rotating column 7 in the fixed pipe 5 can rotate in opposite directions under the action of the rotating assembly, the rice can enter between the sleeve 6 and the rotating column 7 and gradually roll downwards through gravity, the rice can be rolled by the polishing block 8 rotating along with the rotating column 7 during rolling, the rice can be subjected to secondary polishing when passing between the sleeve 6 and the rotating column 7, and the staying time of the rice in the fixed pipe 5 is longer, it has enough time to contact with the sleeve 6, the rotary column 7 and the polishing block 8 which rotate oppositely to improve the polishing effect of the rice, so that the rice can be polished effectively and with high quality, and it should be noted that when the device is used for polishing, a proper amount of drinking water can be added into the receiving hopper 53, so that the starch on the surface of the rice grains can be further gelatinized, and the smoothness of the rice can be improved.

Regarding the concrete connection mode between fixed pipe 5 and mounting bracket 1 as follows, fixedly connected with mounting panel 9 on mounting bracket 1, two annular mounts 10 of fixedly connected with on mounting panel 9, fixed pipe 5 includes two fixed pipe bodies 51 of pegging graft in corresponding annular mount 10 respectively, and the fixed annular plate 52 that has cup jointed in the periphery side of sleeve 6, and annular plate 52 rotates and connects between two pipe bodies 51 to make sleeve 6 can form the rotation connection in two pipe bodies 51.

In some embodiments, in order to enable the sleeve 6 and the rotating column 7 to rotate oppositely, it is provided that a second mounting plate 11 is fixedly connected to the mounting frame 1, one side of the second mounting plate 11 is rotatably connected with a first rotating shaft 13 through a bearing, one side of the first rotating shaft 13 is inserted into the fixed pipe 5 through a bearing, the rotating column 7 is fixedly sleeved on the first rotating shaft 13, the rotating assembly comprises a first driving spur gear 12 fixedly sleeved on the first rotating shaft 13, one side of the second mounting plate 11 is rotatably connected with a rotating rod 15 through a bearing, one side of the circumferential surface of the rotating rod 15 is fixedly sleeved with a first driven spur gear 16, one side of the second mounting plate 11 is rotatably connected with a first bridge gear 14 which is positioned between the first driving spur gear 12 and the first driven spur gear 16 and is meshed with the first driven spur gear through teeth, a circle of tooth spaces 18 is formed on the outer circumferential side of the annular plate 52, and one side of the circumferential surface of the rotating rod 15, far away from the first driven spur gear 16, is fixedly sleeved with a driving gear 17 meshed with the annular plate 52 through the tooth spaces 18 And the second mounting plate 11 is provided with a driving part for driving the first rotating shaft 13 to rotate, when the first rotating shaft 13 rotates, the first rotating column 7 and the first driving spur gear 12 are driven to rotate, the first driving spur gear 12 drives the first carrier gear 14 and the first driven spur gear 16 to rotate through the matching of teeth, the first driven spur gear 16 drives the rotating rod 15 to rotate in the same direction as the first driving spur gear 12, the driving gear 17 drives the annular plate 52 to rotate through the tooth grooves 18 along with the rotation of the rotating rod 15, at the moment, the rotating direction of the annular plate 52 is opposite to that of the driving gear 17 and the first driving spur gear 12, the sleeve 6 can rotate in the direction opposite to that of the rotating column 7, and the polishing effect of the rice between the sleeve 6 and the rotating column 7 is improved.

The driving part comprises a first motor fixedly mounted on the mounting plate II 11, one side, far away from the fixing pipe 5, of the first rotating shaft 13 penetrates through the mounting plate II 11 and is fixedly connected with the tail end of an output shaft of the first motor, and when the output shaft of the first motor rotates, the purpose of driving the first rotating shaft 13 to rotate can be achieved.

And in addition, in order to handle the bran powder on the rice surface through preliminary polishing, in some embodiments, propose, the fixed connecting pipe 20 that is provided with on the mounting bracket 1, one side intercommunication of connecting pipe 20 has a plurality of bran suction pipes 21 that distribute from top to bottom, every bran suction pipe 21 all communicates in one side of discharging pipe 19 one side of connecting pipe 20 of keeping away from, it receives bran box 23 for the open-ended to place the top on the mounting bracket 1, and bran suction pipe 21 can inhale to receiving bran box 23 with the bran powder in discharging pipe 19 in, thus, when rice got into discharging pipe 19 after the polishing of two rice milling rollers 3, straw 21 just can inhale to receiving bran box 23 with the bran powder that the rice surface polished and drop and store, play the effect of removing the bran.

Specifically, fixed mounting has fan 24 on mounting bracket 1, one side intercommunication of connecting pipe one 20 is at the air intake of fan 24, the air outlet intercommunication of fan 24 has and is vertical axial and is located the connecting pipe two 25 directly over receiving chaff box 23, and every inhale the equal fixedly connected with filter screen 22 in one side that chaff pipe 21 kept away from connecting pipe one 20, can inhale the chaff pipe 21 with the chaff powder in the discharging pipe 19 under fan 24's effect, and the rice is greater than the chaff powder because its weight, can not inhaled by wind-force, and filter screen 22 also can block that the rice can accidentally get into to inhaling the chaff pipe 21 in, the chaff powder can fall into after connecting pipe one 20 and connecting pipe two 25 and receive the chaff box 23 and obtain the collection in inhaling the chaff pipe 21.

Referring to fig. 3, the rice milling roller 3 and the housing 2 are connected in a specific manner, wherein two bilaterally symmetrical and front-back axial rotating shafts 31 are rotatably connected in the housing 2 through bearings, and the two rice milling rollers 3 are respectively fixedly sleeved on the two rotating shafts 31, so that the rice milling rollers 3 can form a rotary connection in the housing 2.

And in order to make two rice milling roller 3 carry out rotation in opposite directions, rotating assembly 4 sets up at the casing 2 back and be axial rotation axis 41 about being including rotating, the equal fixedly connected with drive bevel gear 42 in both sides of rotation axis 41, the back of two pivot two 31 all runs through casing 2 and fixedly connected with and corresponds drive bevel gear 42 engaged with driven bevel gear 43, be provided with on the casing 2 and be used for driving rotation axis 41 and carry out pivoted drive assembly, can drive two drive bevel gear 42 and rotate when rotation axis 41 rotates, two drive bevel gear 42 then can drive two driven bevel gear 43 rotations through the cooperation of tooth, in order to reach two pivot two 31 of drive and rice milling roller 3 and carry out pivoted purpose in opposite directions, make two rotatory rice milling roller 3 can carry out preliminary polishing to the rice.

Meanwhile, the driving assembly comprises a second motor 44 fixedly installed on the back of the shell 2, the axial direction of an output shaft of the second motor 44 is parallel to the rotating shaft 41, and the tail end of the output shaft is fixedly connected with a second driving spur gear 45, a second driven spur gear 46 meshed with the second driving spur gear 45 is fixedly sleeved on the rotating shaft 41, when the output shaft of the second motor 44 rotates, the second driving spur gear 45 can be driven to rotate, the second driving spur gear 45 can drive the second driven spur gear 46 to rotate through the matching of teeth, and therefore the effect of driving the rotating shaft 41 to rotate is achieved.

In the device, all electric devices and drivers matched with the electric devices are arranged, and all driving parts, namely power elements, the electric devices and adaptive power supplies, are connected through leads by a person skilled in the art, and specific connecting means refer to the above expression that the electric devices are electrically connected in sequence, and detailed connecting means thereof are well known in the art.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides an automatic change rice polishing equipment which characterized in that, includes mounting bracket (1), fixed pipe (5) and runner assembly:

a shell (2) is fixedly connected to the mounting rack (1), the top of the shell (2) is communicated with a feed hopper (201), two symmetrical rice milling rollers (3) are rotationally arranged in the shell (2), a rotating assembly (4) used for enabling the two rice milling rollers (3) to rotate oppositely is arranged on the shell (2), and a discharge pipe (19) is communicated with the bottom of the shell (2);

the device comprises a fixed pipe (5), a discharge pipe (19), a sleeve (6), a rotating column (7) and a plurality of polishing blocks (8), wherein the fixed pipe (5) is fixedly arranged on an installation frame (1), is positioned below a shell (2) and is in an inclined state, one side of the top of the fixed pipe (5) is communicated with a material receiving hopper (53) positioned right below the discharge pipe (19), the sleeve (6) is rotationally inserted into the fixed pipe (5), the rotating column (7) is further rotationally arranged in the fixed pipe (5), and the circumferential surface of the rotating column (7) is densely provided with the plurality of polishing blocks (8) which are in a semi-spherical structure and are in contact with the inner circumferential side of the sleeve (6);

the rotating assembly is arranged on the fixed pipe (5) and can enable the sleeve (6) and the rotating column (7) to rotate in opposite directions.

2. An automated rice polishing apparatus as claimed in claim 1, wherein: fixedly connected with mounting panel (9) on mounting bracket (1), two annular mount (10) of fixedly connected with on mounting panel (9), fixed pipe (5) are including two fixed body (51) of pegging graft respectively in corresponding annular mount (10), the fixed annular plate (52) that has cup jointed of periphery side of sleeve (6), just annular plate (52) rotate to be connected between two body (51).

3. An automated rice polishing apparatus as claimed in claim 2, wherein: fixedly connected with mounting panel two (11) on mounting bracket (1), one side of mounting panel two (11) is rotated through the bearing and is connected with pivot one (13), one side of pivot one (13) is penetrated to fixed pipe (5) in through the bearing, just it cup joints on pivot one (13) to rotate post (7) is fixed, the runner assembly is including fixed initiative spur gear one (12) of cup jointing on pivot one (13), one side of mounting panel two (11) is rotated through the bearing and is connected with dwang (15), the fixed driven spur gear one (16) of having cup jointed in circumference surface one side of dwang (15), just one side of mounting panel two (11) is rotated and is connected with and is located between initiative spur gear one (12) and driven spur gear one (16) and through tooth and its engaged with bridge gear (14), round tooth's socket (18) has been seted up to the periphery side of annular plate (52), one side that the driven spur gear (16) was kept away from to the circumferential surface of dwang (15) is fixed to be cup jointed through tooth's socket (18) and annular plate (52) engaged with drive gear (17), just be provided with on mounting panel two (11) and be used for driving pivot one (13) and carry out pivoted driving piece.

4. An automated rice polishing apparatus as claimed in claim 3, wherein: the driving piece comprises a first motor fixedly mounted on a second mounting plate (11), and one side, far away from the fixed pipe (5), of the first rotating shaft (13) penetrates through the second mounting plate (11) and is fixedly connected with the tail end of an output shaft of the first motor.

5. An automated rice polishing apparatus as claimed in claim 1, wherein: the fixed connecting pipe (20) that is provided with on mounting bracket (1), one side intercommunication of connecting pipe (20) has a plurality of chaff pipes (21) of inhaling that distribute from top to bottom, every inhale one side that connecting pipe (20) were kept away from in chaff pipe (21) and all communicate in one side of discharging pipe (19), it receives chaff box (23) for the open-ended to place the top on mounting bracket (1), just inhale in chaff pipe (21) can inhale chaff powder in discharging pipe (19) to receiving chaff box (23).

6. An automated rice polishing apparatus as claimed in claim 5, wherein: the rice bran collecting device is characterized in that a fan (24) is fixedly mounted on the mounting frame (1), one side of the first connecting pipe (20) is communicated with an air inlet of the fan (24), an air outlet of the fan (24) is communicated with a second connecting pipe (25) which is in the vertical axial direction and is located right above the rice bran collecting box (23), and each rice bran sucking pipe (21) is far away from the equal fixedly connected with filter screen (22) on one side of the first connecting pipe (20).

7. An automated rice polishing apparatus as claimed in claim 1, wherein: two bilateral symmetry and front and back axial rotating shafts II (31) are rotatably connected in the shell (2) through bearings, and the rice milling rollers (3) are respectively fixedly sleeved on the two rotating shafts II (31).

8. An automated rice polishing apparatus as claimed in claim 7, wherein: the rotating assembly (4) comprises a rotating shaft (41) which is rotatably arranged on the back face of the shell (2) and is in the left-right axial direction, driving bevel gears (42) are fixedly connected to the two sides of the rotating shaft (41), the back faces of the two rotating shafts (31) penetrate through the shell (2) and are fixedly connected with driven bevel gears (43) meshed with the corresponding driving bevel gears (42), and a driving assembly used for driving the rotating shaft (41) to rotate is arranged on the shell (2).

9. An automated rice polishing apparatus as claimed in claim 8, wherein: the driving assembly comprises a second motor (44) fixedly mounted on the back face of the shell (2), the axial direction of an output shaft of the second motor (44) is parallel to the rotating shaft (41), the tail end of the output shaft of the second motor is fixedly connected with a second driving straight gear (45), and a second driven straight gear (46) meshed with the second driving straight gear (45) is fixedly sleeved on the rotating shaft (41).