Efficient rice polishing machine with multiple polishing rollers

By using a multi-polishing roller structure and a planetary gear transmission system, the polishing area and the number of abrasive contacts are increased, solving the problem of insufficient polishing area in existing rice polishing machines and achieving efficient rice polishing.

CN223669244UActive Publication Date: 2025-12-16WUCHANG WANFU RICE IND CO LTD
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Patent Information

Application Number
CN202421938539.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-12
Publication Date
2025-12-16
Estimated Expiration
2034-08-12

AI Technical Summary

Technical Problem

Existing rice polishing machines have a limited polishing area, mainly contacting the rice on the inner surface of the polishing cylinder, resulting in low effective polishing efficiency.

Method used

It adopts a multi-polishing roller structure, with the polishing abrasive located inside the polishing channel. The inner surface area of ​​the polishing channel is larger than the outer surface area. Combined with the planetary gear transmission system and abrasive coverage, the effective polishing area is increased. The design of the polishing filter plate and the filter plate enables multiple contacts between the rice and the abrasive.

Benefits of technology

It significantly improves the polishing efficiency of rice, ensures full contact between rice and abrasive, reduces broken rice, and enhances polishing quality and efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of rice polishing, in particular to an efficient rice polishing machine with multiple polishing rollers, and aims to solve the technical problems that a polishing machine in the prior art can only polish the inner surface of a polishing cylinder when the inner surface of the polishing cylinder makes contact with rice, and the effective polishing area is too small. The polishing grinding tool is located in the polishing channel, the polishing channel is located in the channel shell, the channel shell is connected with the inner wall of the polishing cylinder, the upper portion of the polishing grinding tool is a conical face with the narrow upper portion and the wide lower portion, and a gap is reserved between the lower cylindrical face and the polishing channel. The sum of the inner surface areas of all the polishing channels is larger than the outer surface area of the channel shell, and due to the fact that the sum of the inner surface areas of the polishing channels is larger than the outer surface area of the channel shell, the effective polishing area is greatly increased through cooperation of the polishing channels and the multiple polishing grinding tools.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a rice polishing field especially, it relates to a kind of high-efficiency rice polishing machine of multiple polishing stick. BACKGROUND

[0002] The core of rice polishing machine is the design of its polishing chamber, usually adopts the structure of rotary or vibration type. Mechanical design needs to ensure that the equipment can efficiently and uniformly polish rice, while reducing the production of broken rice. In addition, the manufacturing material of the equipment needs to have good wear resistance and corrosion resistance to ensure long-term stable operation;

[0003] The existing technology's polishing machine only polishes when the inner surface of cylinder is contacted with rice, the effective polishing area is too small, the utility model solves the above problems. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of high-efficiency rice polishing machine of multiple polishing stick to solve the technical problem that the existing technology's polishing machine only polishes when the inner surface of cylinder is contacted with rice, effective polishing area is too small, and further provides.

[0005] A kind of high-efficiency rice polishing machine of multiple polishing stick, it include: polishing cylinder, polishing cylinder side wall is connected with feed inlet, polishing cylinder top wall axis of rotation is connected with input shaft, input shaft is connected with power, input shaft passes through planetary gear transmission box and transmits power to planet shaft, planet shaft is rotatably connected with planetary gear transmission box, polishing cylinder top wall, planet shaft is connected on polishing cylinder top wall, input shaft lower end is all connected with corresponding polishing grinding tool, polishing grinding tool is located in polishing passageway, polishing passageway is located in passageway shell, passageway shell is connected with polishing cylinder inner wall, the gap is left between the upper part of polishing grinding tool of taper face of narrow top and wide bottom, lower part cylindrical surface and polishing passageway, polishing grinding tool outer surface and polishing passageway inner surface are all covered with abrasive, the sum of all polishing passageway inner area is greater than passageway shell outer area;

[0006] Further, the lower end of input shaft polishing grinding tool is concentrically connected with spline shaft, spline shaft is slidably connected in shaft sleeve, shaft sleeve lower end is connected with mandrel, mandrel is sequentially connected with polishing filter plate, broken particle filter plate, bran filter plate from top to bottom, polishing filter plate and broken particle filter plate are provided with filter hole, the aperture of filter hole of polishing filter plate is larger than that of broken particle filter plate, the lower surface of bran filter plate is uniformly distributed with hemisphere, the upper surface of the bottom wall of polishing cylinder is uniformly distributed with hemisphere, two groups of hemispheres can be located in the gap between each other, the outer wall of polishing cylinder at polishing filter plate, broken particle filter plate, bran filter plate is provided with discharge port;

[0007] Further, the inner wall of polishing cylinder at shaft sleeve is connected with drainage hopper, the gap is left between the inner side of drainage hopper and shaft sleeve, the upper surface of polishing filter plate and broken particle filter plate is all concave curved surface, and the concave curved surface is all covered with abrasive.

[0008] The utility model has the advantages of:

[0009] The polishing passageway and the plurality of polishing abrasives greatly increase the effective polishing area because the inner surface area of the polishing passageway is larger than the outer surface area of the passageway shell.

[0010] The polished rice and bran after one polishing fall on the concave curved surface of the polishing filter plate, and the rice is rolled and vibrated by the rotation of the mandrel, and then is discharged through the discharge port by centrifugal force, and the rice is polished again by contacting the abrasive in the rolling process, and the broken rice and bran fall on the lower part through the filter hole. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 The utility model structure schematic diagram Figure 1 ;

[0012] Figure 2 The utility model structure section schematic view

[0013] Figure 3 The utility model structure schematic diagram Figure 2 ;

[0014] Figure 4 The utility model structure schematic diagram Figure 3 .

[0015] In the drawing: the polishing cylinder 1, the feeding port 2, the input shaft 3, the planetary gear transmission box 4, the planetary shaft 5, the polishing abrasive 6, the polishing passageway 7, the passageway shell 8, the spline shaft 9, the shaft sleeve 10, the mandrel 11, the polishing filter plate 12, the broken particle filter plate 13, the bran filter plate 14, the hemisphere 15, the hemisphere 15, the bottom wall 16, the discharge port 17, the drainage hopper 18. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0017] The rotating connection in the device refers to the axial fixing of the bearing by clamping the spring retainer in the retainer groove on the shaft or shaft hole, and realizing rotation. The hinged connection refers to the movable connection mode on the connecting parts such as hinges, pins and short shafts.

[0018] The utility model will be described in detail below with reference to the drawings. EMBODIMENT

[0019] The utility model will be described in detail below with reference to the drawings.Figures 1-4 The embodiment discloses a high-efficiency rice polishing machine with multiple polishing rollers, which comprises a polishing cylinder 1, a feeding port 2 communicated with the side wall of the polishing cylinder 1, an input shaft 3 rotationally connected with the top wall of the polishing cylinder 1, the input shaft 3 being connected with a power source, the input shaft 3 transmitting power to planetary shafts 5 through a planetary gear transmission box 4, the planetary shafts 5 being rotationally connected with the planetary gear transmission box 4 and the top wall of the polishing cylinder 1, the planetary gear transmission box 4 being connected with the top wall of the polishing cylinder 1, each of the planetary shafts 5 being connected with a corresponding polishing grinding tool 6 at the lower end of the input shaft 3, the polishing grinding tools 6 being located in polishing channels 7, the polishing channels 7 being located in a channel shell 8, the channel shell 8 being connected with the inner wall of the polishing cylinder 1, the polishing grinding tools 6 being provided with taper surfaces with a narrow upper part and a wide lower part, and the lower part being provided with a cylindrical surface, and gaps being left between the polishing grinding tools 6 and the polishing channels 7, and abrasive materials being coated on the outer surfaces of the polishing grinding tools 6 and the inner surfaces of the polishing channels 7, and the total area of the inner surfaces of the polishing channels 7 being larger than the total area of the outer surfaces of the channel shell 8.

[0020] The rice to be polished is injected into the polishing cylinder 1 through the feeding port 2, and the rice falls on the polishing grinding tools 6 at the taper surfaces, the power of the input shaft 3 is turned on, the input shaft 3 drives the planetary shafts 5 to rotate through the planetary gear transmission box 4, the planetary shafts 5 drive the polishing grinding tools 6 to rotate, the rice to be polished is stirred to fall along the taper surfaces of the polishing grinding tools 6 into the gaps between the cylindrical surfaces of the polishing grinding tools 6 and the polishing channels 7, and the rice is rotated along the cylindrical surfaces of the polishing grinding tools 6, and is polished by the abrasive materials on the outer surfaces of the polishing grinding tools 6 and the abrasive materials on the inner surfaces of the polishing channels 7 under the centrifugal force, and finally falls to the lower part, so that the polishing efficiency is greatly improved.

[0021] The lower end of the input shaft 3 is connected with a spline shaft 9 in a concentric mode, the spline shaft 9 is slidingly connected in a shaft sleeve 10, the lower end of the shaft sleeve 10 is connected with a mandrel 11, the mandrel 11 is sequentially connected with a polishing filter plate 12, a broken grain filter plate 13 and a bran filter plate 14 from top to bottom, the polishing filter plate 12 and the broken grain filter plate 13 are provided with filter holes, the filter holes of the polishing filter plate 12 are larger than those of the broken grain filter plate 13, the lower surface of the bran filter plate 14 is uniformly provided with hemispheres 15, the upper surface of the bottom wall 16 of the polishing cylinder 1 is uniformly provided with the hemispheres 15, and the two groups of hemispheres 15 can be located in the gaps between each other, and the polishing cylinder 1 is provided with discharge ports 17 at the outer walls of the polishing filter plate 12, the broken grain filter plate 13 and the bran filter plate 14.

[0022] The input shaft 3 drives the spline shaft 9 through the polishing tool 6, the spline shaft 9 drives the shaft sleeve 10, the shaft sleeve 10 drives the mandrel 11, the mandrel 11 drives the polishing filter plate 12, the broken grain filter plate 13 and the bran filter plate 14, the bran filter plate 14 drives the half ball 15, the upper and lower two groups of half balls 15 alternately contact to drive the bran filter plate 14 to rotate and vibrate at the same time, the polishing filter plate 12, the broken grain filter plate 13 and the bran filter plate 14 rotate and vibrate at the same time, the polishing filter plate 12 separates the falling rice and the broken rice bran through the filter hole, the broken grain filter plate 13 separates the broken rice and the bran through the filter hole, and the polishing filter plate 12, the broken grain filter plate 13 and the bran filter plate 14 centrifugally rotate to respectively throw out the rice, the broken rice and the bran through different discharge ports 17, and the separation is completed.

[0023] The inner wall of the polishing cylinder 1 at the shaft sleeve 10 is connected with the drainage hopper 18, the inner side of the drainage hopper 18 is left with a gap from the shaft sleeve 10, the upper surfaces of the polishing filter plate 12 and the broken grain filter plate 13 are both concave curved surfaces, and the concave curved surfaces are both covered with abrasive materials;

[0024] The drainage hopper 18 guides the polished rice to the center of the polishing filter plate 12, since the upper surfaces of the polishing filter plate 12 and the broken grain filter plate 13 are both concave curved surfaces, the centrifugal travel of the rice is prolonged, and the direct centrifugal rotation of the broken rice and the bran is prevented, which affects the quality of the finished product, since the concave curved surfaces are both covered with abrasive materials, the rice falls on the concave curved surfaces for secondary polishing, and the polishing travel is prolonged.

[0025] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or operation from another entity or operation, without necessarily requiring or implying any such actual relationship or order between these entities or operations. Moreover, the terms "comprising", "containing" or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or device. Without more limitations, the element defined by the phrase "comprising a" does not exclude the presence of additional identical elements in the process, method, article or device including the element.

[0026] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A high efficiency rice polisher with multiple polishing rolls comprising: The utility model discloses a polishing cylinder (1), the side wall of polishing cylinder (1) is connected with feed inlet (2), and the top wall of polishing cylinder (1) is rotatably connected with input shaft (3), Its characterized in that: input shaft (3) is connected with power, and input shaft (3) passes through planetary gear transmission box (4) and transmits power to planetary shaft (5), and planetary shaft (5) is rotatably connected with planetary gear transmission box (4) and the top wall of polishing cylinder (1), and planetary gear transmission box (4) is connected to the top wall of polishing cylinder (1), and planetary shaft (5) is connected with the lower end of input shaft (3) with corresponding polishing grinding tool (6), and polishing grinding tool (6) is located in polishing channel (7), and polishing channel (7) is located in channel shell (8), and channel shell (8) is connected with the inner wall of polishing cylinder (1), and the upper part of polishing grinding tool (6) is tapered surface that is narrow on top and wide on bottom, and the lower part is cylindrical surface, and there is gap between polishing grinding tool (6) and polishing channel (7), and the outer surface of polishing grinding tool (6) and the inner surface of polishing channel (7) are covered with abrasive, and the total inner surface area of all polishing channels (7) is greater than the outer surface area of channel shell (8).

2. A high efficiency rice polisher with multiple polishing rolls as claimed in claim 1 wherein: The lower end polishing grinding tool (6) of input shaft (3) is concentrically connected with spline shaft (9), spline shaft (9) is slidingly connected in shaft sleeve (10), shaft sleeve (10) is connected with mandrel (11) at the lower end, and mandrel (11) is sequentially connected with polishing filter plate (12), broken particle filter plate (13) and bran filter plate (14) from top to bottom, polishing filter plate (12) and broken particle filter plate (13) are provided with filter holes, the filter hole diameter of polishing filter plate (12) is larger than that of broken particle filter plate (13), and the lower surface of bran filter plate (14) is uniformly provided with hemisphere (15), the upper surface of the bottom wall (16) of polishing cylinder (1) is uniformly provided with hemisphere (15), and the two groups of hemispheres (15) can be located in the gap between each other, and the outer wall of polishing cylinder (1) at polishing filter plate (12), broken particle filter plate (13) and bran filter plate (14) is provided with discharge port (17).

3. A high efficiency rice polisher with multiple polishing rolls as claimed in claim 2 wherein: The inner wall of polishing cylinder (1) at shaft sleeve (10) is connected with drainage hopper (18), and the inner side of drainage hopper (18) is spaced apart from shaft sleeve (10), and the upper surfaces of polishing filter plate (12) and broken particle filter plate (13) are both concave curved surfaces.