Rice polishing machine

Abstract

The rice polishing machine comprises a bottom plate, supporting columns and a polishing assembly, every two supporting columns form a set, the two sets of supporting columns are arranged on the front side and the rear side of the upper end face of the bottom plate, second side plates are arranged on the upper end faces of the two sets of supporting columns, a first side plate is arranged between every two supporting columns in one set, and a second side plate is arranged between every two supporting columns in the other set. The polishing assembly is arranged between the second side plates on the two sides, an outer cylinder is arranged between the first side plates on the two sides, the outer cylinder is obliquely arranged, the left end face of the outer cylinder is connected with a mounting frame through a rotating assembly, a dust collection assembly is arranged on the upper end face of the outer cylinder, a second motor is arranged on the left end face of the mounting frame, and a dust collection assembly is arranged on the lower end face of the outer cylinder. And an output shaft of the second motor penetrates through the left end face of the mounting frame and is connected with the screening inner cylinder assembly. According to the rice screening device, dust generated in the screening process can be effectively collected and prevented from drifting into the air, rice can be prevented from splashing out, and waste of the rice is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of rice processing, in particular to a rice polishing machine. Background Art

[0002] Rice is one of the most important staple foods in people's daily life. With the continuous improvement of people's living standards, consumers have higher and higher requirements for the quality, taste and appearance of rice. The quality of this high-quality rice not only depends on its origin and variety, but the later processing technology is also of paramount importance. Polishing can make the appearance of rice grains smoother and more transparent.

[0003] Chinese patent 202222791317.4 discloses a rice polishing machine, which includes: a frame, a polishing cylinder and a polishing assembly; a feed pipe connected to the inside of the polishing cylinder is arranged at the upper end of the polishing cylinder; the polishing cylinder is vertically fixed on the frame; the polishing assembly includes a motor, a rotating shaft, a plurality of polishing discs and a plurality of polishing rings; the rotation of the polishing disc and the polishing convex body in the polishing channel can increase the contact efficiency with the rice; thereby improving the polishing efficiency of the rice. At the same time, the broken rice generated during the polishing process is screened and collected, which reduces the production steps, does not require more manual handling and transportation steps, and reduces the production cost.

[0004] However, although the above-mentioned rice polishing machine can screen and collect broken rice generated during the polishing process, the dust generated during the screening of the broken rice will float in the air, affecting the cleanliness of the working environment. In addition, the polished rice may splash when it falls into the collecting trough, resulting in waste of rice. Therefore, a rice polishing machine is proposed to solve the above problems. Utility Model Content

[0005] (I) Purpose of the utility model

[0006] In order to solve the technical problems existing in the background technology, the utility model proposes a rice polishing machine, which can effectively collect the dust generated in the screening process to prevent it from floating into the air, and can prevent rice from splashing out to avoid rice waste.

[0007] (II) Technical solution

[0008] The utility model provides a rice polishing machine, comprising a bottom plate, a support column and a polishing assembly, wherein the support columns are arranged in groups of two, and the two groups of support columns are arranged on the front and rear sides of the upper end surface of the bottom plate, and the upper end surfaces of the two groups of support columns are provided with second side plates, and a first side plate is arranged between the two support columns in one group, and the polishing assembly is arranged between the second side plates on the two sides, and an outer cylinder is arranged between the first side plates on the two sides, and the outer cylinder is inclined, and the left end surface of the outer cylinder is connected to the installation frame through a rotating assembly, and the upper end surface of the outer cylinder is provided with a dust suction assembly, and the left end surface of the installation frame is provided with a second motor, The output shaft of the second motor passes through the left end face of the mounting frame and is connected to the screening inner cylinder assembly, and the discharge end of the polishing assembly is located at the right feed port of the screening inner cylinder assembly, the inner wall of the rotating assembly is connected to the outer end face of the screening inner cylinder assembly, and the first collecting box and the second collecting box are placed on the upper end face of the bottom plate from left to right, a first discharge pipe is provided at the bottom of the mounting frame, and the discharge port of the first discharge pipe is located above the first collecting box, and a second discharge pipe is provided on the left side of the bottom of the outer cylinder, and the discharge port of the second discharge pipe is located above the second collecting box.

[0009] Preferably, the polishing assembly includes a feed hopper, a first motor, a polishing outer cylinder, a polishing column and a third discharge pipe, the polishing outer cylinder is arranged between the second side plates on both sides, the first motor is arranged on the left end face of the polishing outer cylinder, the feed hopper is arranged on the left side of the upper end face of the polishing outer cylinder, one end of the polishing column is rotatably connected to the right inner wall of the polishing outer cylinder, the other end of the polishing column passes through the left end face of the polishing outer cylinder and is coaxially connected to the output shaft of the first motor, and the third discharge pipe is arranged on the right side of the lower end face of the polishing outer cylinder.

[0010] Preferably, the inner end surface of the outer cylinder is smooth.

[0011] Preferably, the screening inner cylinder assembly includes a connecting inner tube and a screening mesh cylinder, the connecting inner tube is coaxially connected to the left side of the screening mesh cylinder, the screening mesh cylinder is located inside the outer cylinder, the connecting inner tube is located inside the mounting frame, the output shaft of the second motor passes through the left end face of the mounting frame and is coaxially connected to the left end face of the connecting inner tube, and the outer end face of the connecting inner tube is penetrated by a plurality of discharge holes distributed at intervals in a circular array.

[0012] Preferably, the rotating assembly includes a sliding outer ring and a sliding inner ring, the left end face of the outer cylinder is connected to the mounting frame via the sliding outer ring, the sliding inner ring is sleeved on the outer end face of the screening mesh cylinder, and the sliding inner ring is slidably connected to the inner sliding groove of the sliding outer ring.

[0013] Preferably, the dust suction assembly includes an exhaust pipe, a shunt pipe, an exhaust fan, a connecting pipe, a dust collection box and a support plate, the support plate is arranged on the right side of the upper end surface of the outer cylinder, the exhaust fan and the dust collection box are both arranged on the upper end surface of the support plate, the dust suction end of the exhaust fan is connected to the shunt pipe, a plurality of the exhaust pipes are spaced apart at the bottom of the shunt pipe, a plurality of the lower ends of the exhaust pipes pass through the upper end surface of the outer cylinder, and the dust outlet end of the exhaust fan is connected to the dust collection box through the connecting pipe.

[0014] Compared with the prior art, the above technical solution of the utility model has the following beneficial technical effects:

[0015] In the rice polishing machine, the rice after polishing will enter the screening inner cylinder assembly, and then the second motor is started, and the second motor drives the screening inner cylinder assembly to rotate. The screening inner cylinder assembly can screen the broken rice when rotating, so that it falls onto the inner end surface of the outer cylinder, and the screened broken rice will fall into the interior of the second collecting box through the second discharging pipe, and the screened rice will fall into the interior of the mounting frame and into the interior of the first collecting box through the first discharging pipe. When the polished rice is screened, the dust generated during polishing and screening can be absorbed and processed by the dust suction assembly, so that the dust generated during the screening process can be effectively collected to prevent it from floating into the air, and the rice can be prevented from splashing out to avoid the waste of rice. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model is a schematic diagram of the structure of a rice polishing machine.

[0017] Figure 2 The utility model is a partial stereoscopic diagram of a rice polishing machine proposed by the utility model.

[0018] Figure 3 The utility model is a partial cross-sectional view of a rice polishing machine proposed by the utility model.

[0019] Figure 4 The utility model is a three-dimensional diagram of a screening net cylinder in a rice polishing machine.

[0020] Figure 5 The utility model discloses an internal cross-sectional view of a polishing cylinder in a rice polishing machine.

[0021] Figure numerals: 1. feed hopper; 2. first motor; 3. first discharge pipe; 4. first collecting box; 5. second discharge pipe; 6. second collecting box; 7. bottom plate; 8. first side plate; 9. outer cylinder; 10. support column; 11. third discharge pipe; 12. second side plate; 13. polished outer cylinder; 14. mounting frame; 15. second motor; 16. sliding outer ring; 17. exhaust pipe; 18. diverter pipe; 19. exhaust fan; 20. connecting pipe; 21. dust collecting box; 22. screening mesh cylinder; 23. support plate; 24. sliding inner ring; 25. discharge hole; 26. connecting inner tube; 27. polishing column. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] like Figure 1-5 As shown, a rice polishing machine proposed by the utility model comprises a bottom plate 7, a support column 10 and a polishing assembly. The support columns 10 are arranged in groups of two, and the two groups of support columns 10 are arranged on the front and rear sides of the upper end surface of the bottom plate 7. The upper end surfaces of the two groups of support columns 10 are both provided with a second side plate 12, and a first side plate 8 is arranged between a group of two support columns 10. The polishing assembly is arranged between the second side plates 12 on both sides, and an outer cylinder 9 is arranged between the first side plates 8 on both sides. The outer cylinder 9 is inclined, and the left end surface of the outer cylinder 9 is connected to the installation frame 14 through a rotating assembly. The upper end surface of the outer cylinder 9 is provided with a dust suction assembly, and the left end surface of the installation frame 14 is provided with a second motor 15 The output shaft of the second motor 15 passes through the left end face of the mounting frame 14 and is connected to the screening inner cylinder assembly, and the discharge end of the polishing assembly is located at the right feed port of the screening inner cylinder assembly, the inner wall of the rotating assembly is connected to the outer end face of the screening inner cylinder assembly, and the first collecting box 4 and the second collecting box 6 are placed on the upper end face of the bottom plate 7 from left to right in sequence, a first discharge pipe 3 is provided at the bottom of the mounting frame 14, and the discharge port of the first discharge pipe 3 is located above the first collecting box 4, a second discharge pipe 5 is provided on the left side of the bottom of the outer cylinder 9, and the discharge port of the second discharge pipe 5 is located above the second collecting box 6, and the inner end face of the outer cylinder 9 is smoothly set.

[0024] In the utility model, the rice can be polished by the polishing assembly first, and the polished rice will enter the screening inner cylinder assembly, and then the second motor 15 is started, and the second motor 15 drives the screening inner cylinder assembly to rotate. The screening inner cylinder assembly can screen the broken rice while rotating, so that it falls onto the inner end surface of the outer cylinder 9, and the screened broken rice will fall into the second collecting box 6 through the second discharge pipe 5, and the screened rice will fall into the installation frame 14 and fall into the first collecting box 4 through the first discharge pipe 3. When the polished rice is screened, the dust generated during polishing and screening can be absorbed by the dust suction assembly.

[0025] In an optional embodiment, the polishing assembly includes a feed hopper 1, a first motor 2, a polishing outer cylinder 13, a polishing column 27 and a third discharge pipe 11. The polishing outer cylinder 13 is arranged between the second side plates 12 on both sides, the first motor 2 is arranged on the left end face of the polishing outer cylinder 13, the feed hopper 1 is arranged on the left side of the upper end face of the polishing outer cylinder 13, one end of the polishing column 27 is rotatably connected to the right inner wall of the polishing outer cylinder 13, the other end of the polishing column 27 passes through the left end face of the polishing outer cylinder 13 and is coaxially connected to the output shaft of the first motor 2, and the third discharge pipe 11 is arranged on the right side of the lower end face of the polishing outer cylinder 13.

[0026] It should be noted that rice can be added to the polishing outer cylinder 13 through the feed hopper 1, and then the first motor 2 can be started. The first motor 2 can drive the polishing column 27 to rotate, thereby driving the rice to move to the right during polishing. The polished rice can enter the screening inner cylinder assembly through the third discharge pipe 11.

[0027] In an optional embodiment, the screening inner cylinder assembly includes a connecting inner tube 26 and a screening mesh cylinder 22, the connecting inner tube 26 is coaxially connected to the left side of the screening mesh cylinder 22, the screening mesh cylinder 22 is located inside the outer cylinder 9, the connecting inner tube 26 is located inside the mounting frame 14, the output shaft of the second motor 15 passes through the left end face of the mounting frame 14 and is coaxially connected to the left end face of the connecting inner tube 26, and a plurality of discharge holes 25 distributed at intervals are penetrated in a circular array on the outer end face of the connecting inner tube 26, the rotating assembly includes a sliding outer ring 16 and a sliding inner ring 24, the left end face of the outer cylinder 9 is connected to the mounting frame 14 via the sliding outer ring 16, the sliding inner ring 24 is sleeved on the outer end face of the screening mesh cylinder 22, and the sliding inner ring 24 is slidably connected to the inner slide groove of the sliding outer ring 16.

[0028] It should be noted that, through the second motor 15, the connecting inner tube 26 can be driven to rotate, and the connecting inner tube 26 can drive the screening mesh cylinder 22 to rotate accordingly when rotating. The screening mesh cylinder 22 can screen the broken rice produced after polishing when rotating, and the screened broken rice will fall into the inner part of the outer cylinder 9, and the broken rice inside the outer cylinder 9 will enter the second collecting box 6 through the second discharge pipe 5; and the screened rice will enter the interior of the connecting inner tube 26, and the connecting inner tube 26 can fall into the interior of the mounting frame 14 through the discharge hole 25 when rotating, and the rice inside the mounting frame 14 can enter the interior of the first collecting box 4 through the first discharge pipe 3; and when the screening mesh cylinder 22 rotates, the sliding inner ring 24 will also rotate inside the sliding outer ring 16, thereby preventing the broken rice inside the outer cylinder 9 from entering the interior of the mounting frame 14.

[0029] In an optional embodiment, the dust collection assembly includes an exhaust pipe 17, a shunt pipe 18, an exhaust fan 19, a connecting pipe 20, a dust collection box 21 and a support plate 23. The support plate 23 is arranged on the right side of the upper end surface of the outer cylinder 9. The exhaust fan 19 and the dust collection box 21 are both arranged on the upper end surface of the support plate 23. The dust collection end of the exhaust fan 19 is connected to the shunt pipe 18. Multiple exhaust pipes 17 are distributed at intervals at the bottom of the shunt pipe 18. The lower ends of multiple exhaust pipes 17 pass through the upper end surface of the outer cylinder 9. The dust outlet end of the exhaust fan 19 is connected to the dust collection box 21 through the connecting pipe 20.

[0030] It should be noted that by starting the exhaust fan 19, the exhaust fan 19 can extract the dust inside the outer tube 9 through the diversion pipe 18 and the multiple exhaust pipes 17, and the extracted dust can enter the dust collection box 21 through the exhaust fan 19 and the connecting pipe 20 for storage.

[0031] It should be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rice polishing machine, comprising a bottom plate (7), a support column (10) and a polishing assembly, wherein the support columns (10) are arranged in groups of two, and the two groups of the support columns (10) are arranged on the front and rear sides of the upper end surface of the bottom plate (7), the upper end surfaces of the two groups of the support columns (10) are both provided with a second side plate (12), a first side plate (8) is arranged between the two support columns (10) in a group, and the polishing assembly is arranged between the second side plates (12) on both sides, characterized in that: An outer cylinder (9) is provided between the first side plates (8) on both sides, the outer cylinder (9) is arranged to be inclined, the left end face of the outer cylinder (9) is connected to the mounting frame (14) via a rotating assembly, the upper end face of the outer cylinder (9) is provided with a dust collecting assembly, the left end face of the mounting frame (14) is provided with a second motor (15), the output shaft of the second motor (15) passes through the left end face of the mounting frame (14) and is connected to the screening inner cylinder assembly, and the discharge end of the polishing assembly is located on the right side of the screening inner cylinder assembly. At the material inlet, the inner wall of the rotating assembly is connected to the outer end surface of the screening inner cylinder assembly, and the upper end surface of the bottom plate (7) is provided with a first collecting box (4) and a second collecting box (6) in sequence from left to right. The bottom of the mounting frame (14) is provided with a first discharge pipe (3), and the discharge port of the first discharge pipe (3) is located above the first collecting box (4). The left side of the bottom of the outer cylinder (9) is provided with a second discharge pipe (5), and the discharge port of the second discharge pipe (5) is located above the second collecting box (6).

2. A rice polishing machine according to claim 1, characterized in that, The polishing assembly comprises a feed hopper (1), a first motor (2), a polishing outer cylinder (13), a polishing column (27) and a third discharge pipe (11); the polishing outer cylinder (13) is arranged between the second side plates (12) on both sides; the first motor (2) is arranged on the left end surface of the polishing outer cylinder (13); the feed hopper (1) is arranged on the left side of the upper end surface of the polishing outer cylinder (13); one end of the polishing column (27) is rotatably connected to the right inner wall of the polishing outer cylinder (13); the other end of the polishing column (27) passes through the left end surface of the polishing outer cylinder (13) and is coaxially connected to the output shaft of the first motor (2); and the third discharge pipe (11) is arranged on the right side of the lower end surface of the polishing outer cylinder (13).

3. A rice polishing machine according to claim 1, characterized in that, The inner end surface of the outer cylinder (9) is smooth.

4. A rice polishing machine according to claim 1, characterized in that, The screening inner cylinder assembly comprises a connecting inner tube (26) and a screening mesh cylinder (22), the connecting inner tube (26) being coaxially connected to the left side of the screening mesh cylinder (22), the screening mesh cylinder (22) being located inside the outer cylinder (9), the connecting inner tube (26) being located inside the mounting frame (14), the output shaft of the second motor (15) passing through the left end face of the mounting frame (14) and being coaxially connected to the left end face of the connecting inner tube (26), and a plurality of discharge holes (25) distributed at intervals being passed through in a circular array on the outer end face of the connecting inner tube (26).

5. A rice polishing machine according to claim 4, characterized in that: The rotating assembly comprises a sliding outer ring (16) and a sliding inner ring (24); the left end surface of the outer cylinder (9) is connected to the mounting frame (14) via the sliding outer ring (16); the sliding inner ring (24) is sleeved on the outer end surface of the screening mesh cylinder (22); and the sliding inner ring (24) is slidably connected to the inner sliding groove of the sliding outer ring (16).

6. A rice polishing machine according to claim 1, characterized in that: The dust collection assembly comprises an exhaust pipe (17), a shunt pipe (18), an exhaust fan (19), a connecting pipe (20), a dust collection box (21) and a support plate (23); the support plate (23) is arranged on the right side of the upper end surface of the outer cylinder (9); the exhaust fan (19) and the dust collection box (21) are both arranged on the upper end surface of the support plate (23); the dust collection end of the exhaust fan (19) is connected to the shunt pipe (18); a plurality of the exhaust pipes (17) are distributed at intervals at the bottom of the shunt pipe (18); the lower ends of the plurality of the exhaust pipes (17) penetrate the upper end surface of the outer cylinder (9); and the dust outlet end of the exhaust fan (19) is connected to the dust collection box (21) via the connecting pipe (20).

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