Monitoring control device for low-glycemic preboiled rice processing and use method thereof

Abstract

The invention discloses a monitoring control device for low-sugar preboiled rice processing and a using method thereof, the device comprises a conveying assembly, the conveying assembly comprises a conveying belt, side plates arranged on the two sides of the conveying belt and a motor arranged on one side of the bottom of each side plate, and a plurality of separation strips are arranged on the outer surface of the conveying belt at equal intervals. Linkage among the conveying assembly, the rice milling assembly and the paving assembly is achieved, in the process that the motor drives the conveying belt to operate, two movable rods and a paving plate of the paving assembly are synchronously driven to do reciprocating motion, and the two movable rods and the paving plate are matched with a separation strip on the conveying belt; grain rice on the conveying belt is flattened to be evenly laid in the area between the adjacent dividing strips, accumulation is avoided, the granularity analyzer can conduct granularity identification conveniently, and the area with the unqualified broken rice rate can be rapidly screened out.

Description

Technical Field

[0001] The present invention relates to the technical field of rice processing, in particular to a monitoring and control device for processing low-glycemic parboiled rice and a use method thereof. Background Art

[0002] The low-glycemic steamed rice processing technology is a rice product that lowers the glycemic index through a special processing technique. Its core is to change the starch structure through hydrothermal treatment to make it more resistant to digestion. The processing process includes screening the raw materials to remove impurities, dust, straw, etc., and then soaking, steaming and drying the raw materials to make the starch in the rice gelatinize and recrystallize after steaming to form resistant starch. The rice is then milled and hulled, and high-quality rice is selected before packaging and storage.

[0003] During the rice milling process, some broken rice is produced after the rice is rolled and husked. A particle size analyzer is needed to monitor whether the broken rice rate of the rice is qualified. A broken rice rate of less than 5% is qualified, and a broken rice rate of more than 5% is unqualified. The rice after rolling is discharged onto a conveyor belt and transported to the bottom of the particle size analyzer for monitoring. The rice on the conveyor belt is prone to accumulation, which is not conducive to particle size identification by the particle size analyzer. Therefore, the present invention proposes a monitoring and control device for low-glycemic steamed rice processing and a method of using the same to solve the above problem. Summary of the Invention

[0004] The object of the present invention is to provide a monitoring and control device for processing low-glycemic parboiled rice and a method for using the same, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a monitoring and control device for processing low-glycemic parboiled rice, comprising a conveyor assembly, the conveyor assembly comprising a conveyor belt, side plates arranged on both sides of the conveyor belt, and a motor arranged on one side of the bottom of the side plates, wherein a plurality of dividing strips are arranged at equal intervals on the outer surface of the conveyor belt; The side plate is provided with a rice milling component, a flattening component, a particle size analyzer and a pushing component in sequence along the running direction of the conveyor belt. The side plate is provided with discharge ports on both sides of the pushing component. The motor is used to drive the conveyor belt, the rice milling component and the flattening component to work. The rice is roller-shelled by the rice milling assembly, transported via a conveyor belt, and then flattened on the conveyor belt by the flattening assembly. The particle size analyzer is used to monitor the broken rice rate of the rice. The pushing assembly is used to push the rice with unqualified broken rice rate to the discharge outlet according to the monitoring of the particle size analyzer, and the rice with qualified broken rice rate is sent out along the conveyor belt.

[0006] As a preferred solution of the present invention, two first rotating shafts are rotatably installed between the two side plates, the two ends of the conveyor belt are mounted on the two first rotating shafts, one end of one of the first rotating shafts is provided with a first synchronous wheel and a second synchronous wheel, a third synchronous wheel is provided on the output shaft of the motor, and the second synchronous wheel and the third synchronous wheel are mounted with a first synchronous belt.

[0007] As a preferred solution of the present invention, the rice milling assembly includes a casing and a second rotating shaft arranged in the middle of the casing, the side plate is located below the casing and is equipped with two bearing rods, the casing is installed on the two bearing rods, one end of the second rotating shaft is provided with a fourth synchronous wheel, the first synchronous wheel and the fourth synchronous wheel are fitted with a second synchronous belt, the top of the casing is provided with a feed port, and one side of the bottom of the casing is provided with a discharge port.

[0008] As a preferred solution of the present invention, the paving assembly includes two slide rails arranged on the top of the side panel, two movable rods slidably arranged between the two slide rails, and a paving plate arranged at the bottom of the movable rods.

[0009] As a preferred solution of the present invention, wherein: a vertical shaft is provided on the outer side of each of the two movable rods, a first connecting arm is provided at the bottom end of the vertical shaft, an end of the first connecting arm away from the vertical shaft is rotatably connected to a second connecting arm, one end of the second connecting arm is rotatably connected to the movable rod, two first support seats are rotatably installed on the vertical shaft, and a first bevel gear is provided at the top end of the vertical shaft; A horizontal shaft is provided between the two vertical shafts and the second rotating shaft, and two second support seats are rotatably installed on the horizontal shaft. A second bevel gear and a third bevel gear are respectively provided at both ends of the horizontal shaft. A bracket is provided on the inner side of the two horizontal shafts, and the bracket is installed on the side plate. The first support seat and the second support seat are both installed on the bracket. A fourth bevel gear is also provided at both ends of the second rotating shaft. The fourth synchronous wheel is located between the casing and the fourth bevel gear. The second bevel gear of the horizontal shaft is meshed with the first bevel gear of the vertical shaft, and the third bevel gear of the horizontal shaft is meshed with the fourth bevel gear of the second rotating shaft.

[0010] As a preferred solution of the present invention, the pushing assembly includes an electric screw, a slide slidably arranged on the electric screw, a hanging rod installed at the bottom of the slide, and a push plate arranged at the bottom of the hanging rod, and the electric screw is installed on the top of the side plate.

[0011] As a preferred solution of the present invention, the paving plate and the push plate are both made of rubber, the bottom of the paving plate is close to the dividing strip, and the bottom of the push plate is close to the conveyor belt.

[0012] As a preferred solution of the present invention, the conveying assembly further comprises a plurality of supporting legs spaced apart at the bottom of the side panels, and two adjacent supporting legs are connected by a cross bar.

[0013] A method for using a monitoring and control device for processing low-glycemic parboiled rice comprises the following steps: S1. Start the motor so that the output shaft of the motor drives the third synchronous wheel to rotate, which in turn drives the first synchronous belt, the second synchronous wheel and the rotating shaft to rotate, which in turn drives the first synchronous wheel and the conveyor belt to rotate; S2, the first synchronous wheel drives the second synchronous belt, the fourth synchronous wheel and the second rotating shaft to rotate, so that the rice milling assembly enters the working state; S3, the fourth bevel gear, the third bevel gear and the horizontal shaft are driven to rotate by the second rotating shaft, and then the second bevel gear, the first bevel gear and the vertical shaft are driven to rotate by the horizontal shaft. When the vertical shaft rotates, the first connecting arm rotates along the circumference following the vertical shaft, and one end of the second connecting arm rotates along the circumference following the first connecting arm, and the other end of the second connecting arm drives the movable rod and the paving plate to reciprocate along the slide rail; S4, feeding the rice from the feed port into the housing of the rice milling assembly for roller husking, discharging the hulled rice from the discharge port of the housing onto a conveyor belt, conveying the rice on the conveyor belt, flattening the rice on the conveyor belt with a paving plate so that the rice is evenly spread in the area between adjacent dividing strips, and then monitoring the broken rice rate of the rice with a particle size analyzer to measure the qualified broken rice rate area and the unqualified broken rice rate area; S5. The pushing assembly is controlled according to the area with unqualified broken rice rate measured by the particle size analyzer. When the area with unqualified broken rice rate moves to the pushing assembly, the motor is stopped and the electric lead screw of the pushing assembly is started to drive the slide to move, which drives the suspension rod and the push plate to move. The push plate then pushes the rice in the area with unqualified broken rice rate to the discharge outlet for discharge, and the rice with qualified broken rice rate is sent out along the conveyor belt.

[0014] Compared with the prior art, the present invention has the following beneficial effects: The present invention realizes linkage among the conveying component, the rice milling component and the leveling component. When the motor drives the conveyor belt to operate, the two movable rods and the leveling plate of the leveling component are synchronously driven to make reciprocating motion, and cooperate with the dividing strips on the conveyor belt to level the rice on the conveyor belt so that it is evenly spread in the area between adjacent dividing strips, avoiding accumulation, facilitating particle size identification by the particle size analyzer, and being able to quickly screen out areas with unqualified broken rice rates. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 For the present invention Figure 1 Schematic diagram of the enlarged structure at A in the middle; Figure 3 For the present invention Figure 1 Schematic diagram of the enlarged structure at B in the middle; Figure 4 For the present invention Figure 1 Schematic diagram of the enlarged structure at C in the middle; Figure 5 Schematic diagram of the structure of the push component of the present invention.

[0016] In the figure: 1. Conveyor assembly; 11. Conveyor belt; 12. Side plate; 121. Discharge port; 122. Carrying rod; 123. Bracket; 13. Motor; 131. Third synchronous wheel; 14. Separator; 15. First rotating shaft; 151. First synchronous wheel; 152. Second synchronous wheel; 16. First synchronous belt; 17. Support foot; 2. Rice milling assembly; 21. Casing; 22. Second rotating shaft; 221. Fourth synchronous wheel; 222. Fourth bevel gear; 23. , second synchronous belt; 3. Paving assembly; 31. Slide rail; 32. Movable rod; 33. Paving plate; 34. Vertical shaft; 341. First support seat; 342. First bevel gear; 35. First connecting arm; 36. Second connecting arm; 37. Horizontal shaft; 371. Second support seat; 372. Second bevel gear; 373. Third bevel gear; 4. Particle size analyzer; 5. Pushing assembly; 51. Electric screw; 52. Slide; 53. Suspension rod; 54. Push plate. DETAILED DESCRIPTION

[0017] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0018] See also Figures 1-4 A monitoring and control device for processing low-glycemic parboiled rice includes a conveyor assembly 1, the conveyor assembly 1 comprising a conveyor belt 11, side panels 12 disposed on both sides of the conveyor belt 11, and a motor 13 disposed on one side of the bottom of the side panels 12. A plurality of dividing bars 14 are evenly spaced on the outer surface of the conveyor belt 11, specifically, the number of dividing bars 14 is 20-30. The conveyor assembly 1 also includes a plurality of support legs 17 spaced apart at the bottom of the side panels 12, with adjacent support legs 17 connected by a crossbar. The rice milling assembly 2, the flattening assembly 3, the particle size analyzer 4 and the pushing assembly 5 are sequentially arranged on the side plate 12 along the running direction of the conveyor belt 11. The side plate 12 is provided with a discharge port 121 on both sides of the pushing assembly 5. The motor 13 is used to drive the conveyor belt 11, the rice milling assembly 2 and the flattening assembly 3 to work; The rice is roller-shelled by the rice milling component 2 and transported via the conveyor belt 11. The hulled rice is then flattened on the conveyor belt 11 by the flattening component 3. The particle size analyzer 4 is used to monitor the broken rice rate of the rice. A broken rice rate of less than 5% is qualified, and a broken rice rate greater than 5% is unqualified. The pushing component 5 is used to push the rice with unqualified broken rice rate to the discharge outlet 121 for discharge based on the monitoring of the particle size analyzer 4, and the rice with qualified broken rice rate is sent out along the conveyor belt 11.

[0019] In this embodiment, two first rotating shafts 15 are rotatably mounted between the two side plates 12. The two ends of the conveyor belt 11 are mounted on the two first rotating shafts 15. A first synchronous wheel 151 and a second synchronous wheel 152 are mounted on one end of each first rotating shaft 15. A third synchronous wheel 131 is mounted on the output shaft of the motor 13. A first synchronous belt 16 is mounted on the second synchronous wheel 152 and the third synchronous wheel 131. It should be noted that a cylinder is provided on the outside of the first rotating shaft 15, and the two ends of the conveyor belt 11 are mounted on the cylinder. The two ends of the first rotating shaft 15 pass through the side plate 12 and are installed on the side plate 12 through the bearing seat. The first synchronous wheel 151 and the second synchronous wheel 152 are the same size and are both provided on the outside of the side plate 12. The first synchronous wheel 151 and the second synchronous wheel 152 are located on the same side as the third synchronous wheel 131.

[0020] In this embodiment, the rice milling assembly 2 includes a casing 21 and a second rotating shaft 22 provided in the middle of the casing 21. The side plate 12 is located below the casing 21 and is equipped with two bearing rods 122. The casing 21 is installed on the two bearing rods 122. A fourth synchronous wheel 221 is provided at one end of the second rotating shaft 22. The first synchronous wheel 151 and the fourth synchronous wheel 221 are provided with a second synchronous belt 23. A feed port is provided at the top of the casing 21, and a discharge port is provided at one side of the bottom of the casing 21. It should be noted that the fourth synchronous wheel 221 and the first synchronous wheel 151 are located on the same side and are the same size as the third synchronous wheel 131. When the broken rice rate is high, the roller pressure of the rice milling assembly 2 can be controlled and adjusted.

[0021] In this embodiment, the paving assembly 3 includes two slide rails 31 provided on the top of the side panel 12, two movable rods 32 slidably provided between the two slide rails 31, and a paving plate 33 provided at the bottom of the movable rods 32. Specifically, grooves are provided on the upper and lower sides of the slide rails 31, and sliders adapted to the slide rails 31 are provided at both ends of the movable rods 32. The sliders at both ends of the movable rods 32 are slidably mounted on the slide rails 31, so that the two movable rods 32 are slidably provided between the two slide rails 31. Among them, a vertical shaft 34 is provided on the outside of each of the two movable rods 32, and a first connecting arm 35 is provided at the bottom end of the vertical shaft 34. The end of the first connecting arm 35 away from the vertical shaft 34 is rotatably connected to the second connecting arm 36, and one end of the second connecting arm 36 is rotatably connected to the movable rod 32. Two first support seats 341 are rotatably installed on the vertical shaft 34, and a first bevel gear 342 is provided at the top end of the vertical shaft 34; Specifically, the first connecting arm 35 and the second connecting arm 36 are connected by a pin shaft, and an ear seat is provided at the middle part of the outer side of the two movable rods 32, and one end of the second connecting arm 36 is connected to the ear seat of the movable rod 32 by a pin shaft; A horizontal shaft 37 is provided between the two vertical shafts 34 and the second rotating shaft 22. Two second support seats 371 are rotatably installed on the horizontal shaft 37. A second bevel gear 372 and a third bevel gear 373 are respectively provided at both ends of the horizontal shaft 37. A bracket 123 is provided on the inner side of the two horizontal shafts 37. The bracket 123 is mounted on the side plate 12. The first support seat 341 and the second support seat 371 are both mounted on the bracket 123. A fourth bevel gear 222 is also provided at both ends of the second rotating shaft 22. The fourth synchronous wheel 221 is located between the casing 21 and the fourth bevel gear 222. The second bevel gear 372 of the horizontal shaft 37 is meshed with the first bevel gear 342 of the vertical shaft 34, and the third bevel gear 373 of the horizontal shaft 37 is meshed with the fourth bevel gear 222 of the second rotating shaft 22.

[0022] In this embodiment, the pushing assembly 5 includes an electric screw 51, a slide 52 slidably arranged on the electric screw 51, a hanging rod 53 installed at the bottom of the slide 52, and a push plate 54 arranged at the bottom of the hanging rod 53. The electric screw 51 is installed on the top of the side plate 12; Specifically, there is a threaded rod in the middle of the electric screw 51, one end of the threaded rod is connected to the driving device, and guide shafts are provided on both sides of the threaded rod. The slide 52 is inserted into the threaded rod and the guide shaft, and the slide 52 is threadedly connected to the threaded rod. The paving plate 33 and the push plate 54 are both made of rubber. The bottom of the paving plate 33 is close to the dividing bar 14, so that the paving plate 33 can slide along the dividing bar 14 to flatten the rice. The bottom of the push plate 54 is close to the conveyor belt 11, so that the push plate 54 can slide along the conveyor belt 11 and push the rice in the area with unqualified broken rice rate to the discharge outlet 121 for discharge.

[0023] The method for using the monitoring and control device for processing low-glycemic parboiled rice of the present invention comprises the following steps: S1. Start the motor 13 so that the output shaft of the motor 13 drives the third synchronous wheel 131 to rotate, which in turn drives the first synchronous belt 16, the second synchronous wheel 152 and the rotating shaft to rotate, and which in turn drives the first synchronous wheel 151 and the conveyor belt 11 to rotate; S2, the first synchronous wheel 151 drives the second synchronous belt 23, the fourth synchronous wheel 221 and the second rotating shaft 22 to rotate, so that the rice milling assembly 2 enters the working state; S3. The fourth bevel gear 222, the third bevel gear 373 and the horizontal shaft 37 are driven to rotate by the second rotating shaft 22, and the second bevel gear 372, the first bevel gear 342 and the vertical shaft 34 are driven to rotate by the horizontal shaft 37. When the vertical shaft 34 rotates, the first connecting arm 35 rotates along the circumference following the vertical shaft 34, and one end of the second connecting arm 36 rotates along the circumference following the first connecting arm 35. The other end of the second connecting arm 36 drives the movable rod 32 and the paving plate 33 to reciprocate along the slide rail 31. S4, the rice is fed from the feed port into the casing 21 of the rice milling component 2 for roller husking, the husked rice is discharged from the discharge port of the casing 21 onto the conveyor belt 11, and is transported by the conveyor belt 11. The rice on the conveyor belt 11 is flattened by the paving plate 33 so that it is evenly spread in the area between the adjacent dividing strips 14, and then the broken rice rate of the rice is monitored by the particle size analyzer 4, and the qualified broken rice rate area and the unqualified broken rice rate area are measured. When the unqualified broken rice rate area is large, the roller pressure of the rice milling component 2 can be controlled and adjusted; S5, control the pushing assembly 5 according to the unqualified area of ​​broken rice rate measured by the particle size analyzer 4. When the unqualified area of ​​broken rice rate moves to the pushing assembly 5, the motor 13 stops, and the electric lead screw 51 of the pushing assembly 5 is started to drive the slide 52 to move, which drives the suspension rod 53 and the push plate 54 to move. The rice in the unqualified area of ​​broken rice rate is then pushed to the discharge port 121 for discharge by the push plate 54, and the rice with a qualified broken rice rate is sent out along the conveyor belt 11.

[0024] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be included therein. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A monitoring and control device for processing low-glycemic parboiled rice, characterized by: The conveying assembly (1) comprises a conveying belt (11), side panels (12) arranged on both sides of the conveying belt (11), and a motor (13) arranged on one side of the bottom of the side panels (12); a plurality of dividing strips (14) are arranged at equal intervals on the outer surface of the conveying belt (11); The side plate (12) is provided with a rice milling assembly (2), a paving assembly (3), a particle size analyzer (4) and a pushing assembly (5) in sequence along the running direction of the conveyor belt (11); the side plate (12) is provided with discharge ports (121) on both sides of the pushing assembly (5); the motor (13) is used to drive the conveyor belt (11), the rice milling assembly (2) and the paving assembly (3); The rice is rolled and shelled by a rice milling assembly (2), transported via a conveyor belt (11), and then the shelled rice is flattened on the conveyor belt (11) by a flattening assembly (3). The particle size analyzer (4) is used to monitor the broken rice rate of the rice. The pushing assembly (5) is used to push the rice with an unqualified broken rice rate to a discharge outlet (121) for discharge based on the monitoring of the particle size analyzer (4), and the rice with a qualified broken rice rate is sent out along the conveyor belt (11).

2. The low-glycemic parboiled rice processing monitoring and control device according to claim 1, characterized in that: Two first rotating shafts (15) are rotatably mounted between the two side plates (12), and both ends of the conveyor belt (11) are sleeved on the two first rotating shafts (15). One end of one of the first rotating shafts (15) is provided with a first synchronous wheel (151) and a second synchronous wheel (152). A third synchronous wheel (131) is provided on the output shaft of the motor (13), and a first synchronous belt (16) is sleeved on the second synchronous wheel (152) and the third synchronous wheel (131).

3. The low-glycemic parboiled rice processing monitoring and control device according to claim 2, characterized in that: The rice milling assembly (2) comprises a casing (21) and a second rotating shaft (22) arranged in the middle of the casing (21); the side plate (12) is located below the casing (21) and is equipped with two bearing rods (122); the casing (21) is mounted on the two bearing rods (122); a fourth synchronous wheel (221) is provided at one end of the second rotating shaft (22); a second synchronous belt (23) is sleeved on the first synchronous wheel (151) and the fourth synchronous wheel (221); a feed port is provided at the top of the casing (21); and a discharge port is provided at one side of the bottom of the casing (21).

4. The low-glycemic parboiled rice processing monitoring and control device according to claim 3, characterized in that: The paving assembly (3) comprises two slide rails (31) arranged on the top of the side plate (12), two movable rods (32) slidably arranged between the two slide rails (31), and a paving plate (33) arranged at the bottom of the movable rods (32).

5. The low-glycemic parboiled rice processing monitoring and control device according to claim 4, characterized in that: A vertical shaft (34) is provided on the outside of the two movable rods (32), a first connecting arm (35) is provided at the bottom end of the vertical shaft (34), an end of the first connecting arm (35) away from the vertical shaft (34) is rotatably connected to a second connecting arm (36), one end of the second connecting arm (36) is rotatably connected to the movable rod (32), two first support seats (341) are rotatably mounted on the vertical shaft (34), and a first bevel gear (342) is provided at the top end of the vertical shaft (34); A transverse shaft (37) is provided between the two vertical shafts (34) and the second rotating shaft (22), two second support seats (371) are rotatably mounted on the transverse shaft (37), a second bevel gear (372) and a third bevel gear (373) are provided at both ends of the transverse shaft (37), a bracket (123) is provided on the inner side of the two transverse shafts (37), the bracket (123) is installed on the side plate (12), the first support seat (341) and the second support seat (3 71) are mounted on the bracket (123), and fourth bevel gears (222) are further provided at both ends of the second rotating shaft (22), and the fourth synchronous wheel (221) is located between the housing (21) and the fourth bevel gear (222), the second bevel gear (372) of the horizontal shaft (37) is meshed with the first bevel gear (342) of the vertical shaft (34), and the third bevel gear (373) of the horizontal shaft (37) is meshed with the fourth bevel gear (222) of the second rotating shaft (22).

6. The low-glycemic parboiled rice processing monitoring and control device according to claim 5, characterized in that: The pushing assembly (5) comprises an electric lead screw (51), a slide (52) slidably arranged on the electric lead screw (51), a hanging rod (53) installed at the bottom of the slide (52), and a push plate (54) arranged at the bottom of the hanging rod (53); the electric lead screw (51) is installed on the top of the side plate (12).

7. The low-glycemic parboiled rice processing monitoring and control device according to claim 6, characterized in that: The paving plate (33) and the push plate (54) are both made of rubber. The bottom of the paving plate (33) is close to the dividing strip (14), and the bottom of the push plate (54) is close to the conveyor belt (11).

8. The low-glycemic parboiled rice processing monitoring and control device according to claim 7, characterized in that: The conveying assembly (1) further comprises a plurality of supporting legs (17) spaced apart at the bottom of the side plate (12), and two adjacent supporting legs (17) are connected by a cross bar.

9. A method for using the low-glycemic parboiled rice processing monitoring and control device according to claim 8, characterized in that: The following steps are involved: S1, start the motor (13), so that the output shaft of the motor (13) drives the third synchronous wheel (131) to rotate, and the third synchronous wheel (131) drives the first synchronous belt (16), the second synchronous wheel (152) and the rotating shaft to rotate, and the rotating shaft drives the first synchronous wheel (151) and the conveyor belt (11) to rotate; S2, driving the second synchronous belt (23), the fourth synchronous wheel (221) and the second rotating shaft (22) to rotate via the first synchronous wheel (151), so that the rice milling assembly (2) enters a working state; S3, the fourth bevel gear (222), the third bevel gear (373) and the horizontal shaft (37) are driven to rotate by the second rotating shaft (22), and the second bevel gear (372), the first bevel gear (342) and the vertical shaft (34) are driven to rotate by the horizontal shaft (37). When the vertical shaft (34) rotates, the first connecting arm (35) rotates along the circumference following the vertical shaft (34), one end of the second connecting arm (36) rotates along the circumference following the first connecting arm (35), and the other end of the second connecting arm (36) drives the movable rod (32) and the paving plate (33) to reciprocate along the slide rail (31); S4, feeding the rice from the feed port into the housing (21) of the rice milling assembly (2) for roller husking, discharging the hulled rice from the discharge port of the housing (21) onto the conveyor belt (11), conveying the rice on the conveyor belt (11) through the paving plate (33) so that the rice is evenly spread in the area between adjacent dividing strips (14), and then monitoring the broken rice rate of the rice with the particle size analyzer (4), measuring the qualified broken rice rate area and the unqualified broken rice rate area; S5, according to the unqualified broken rice rate area measured by the particle size analyzer (4), the pushing component (5) is controlled. When the unqualified broken rice rate area moves to the pushing component (5), the motor (13) stops, and the electric lead screw (51) of the pushing component (5) is started to drive the slide (52) to move, and the suspension rod (53) and the push plate (54) are driven to move by the slide (52). Then, the rice in the unqualified broken rice rate area is pushed to the discharge outlet (121) by the push plate (54) for discharge, and the rice with qualified broken rice rate is sent out along the conveyor belt (11).

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