Sand-iron integrated double rice husking machine
By integrating sand and iron roller rice milling machines, the problems of large space occupation and manual transfer of brown rice by sand roller rice milling machines and iron roller rice milling machines are solved, realizing automated production and improving production efficiency and space utilization.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-21
- Publication Date
- 2026-03-10
AI Technical Summary
In existing technologies, sand roller rice milling machines and iron roller rice milling machines occupy a large space, and the brown rice needs to be manually transferred, resulting in low efficiency.
Design a sand and iron integrated double rice milling machine, which integrates the polishing machine base and the whitening machine base into one unit. The machine achieves automatic conveying of brown rice through the brown rice nozzle, and sets spiral grooves and guide holes in the rice sieve cylinder to improve the movement efficiency of brown rice. Combined with a fan bran extraction pipe and elastic pressure baffles, it realizes automated production.
It effectively reduces space occupation, improves space utilization, realizes automatic conveying and polishing of brown rice, improves production efficiency, and reduces manual intervention.
Smart Images

Figure CN223980529U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of rice milling machine technology, and in particular to a dual rice milling machine that integrates sand and iron. Background Technology
[0002] When processing brown rice, it is necessary to perform milling and polishing operations to obtain white rice. Milling and polishing usually require the brown rice to pass through a sand roller rice milling machine and an iron roller rice milling machine in sequence. However, both machines occupy a lot of space, and the brown rice discharged from the sand roller rice milling machine also needs to be manually collected and transported to the iron roller rice milling machine, which is time-consuming and labor-intensive. Therefore, it is urgent to develop a sand roller and iron roller integrated dual rice milling machine to solve the above problems. Utility Model Content
[0003] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a sand and iron integrated double rice milling machine to solve the above problems.
[0004] The technical solution of this utility model is achieved as follows: A sand and iron integrated double rice milling machine, comprising a machine body, the machine body including:
[0005] The polishing machine base has a polishing chamber inside, and a polishing iron roller for polishing brown rice is rotatably mounted inside the polishing chamber.
[0006] The whitening machine base is fixedly installed on one side of the upper end of the polishing machine base. The whitening machine base is provided with a whitening chamber, and a whitening sand roller for whitening brown rice is rotatably installed in the whitening chamber.
[0007] The upper side of the whitening machine base is equipped with a feed inlet 1 that communicates with the whitening chamber, and the upper side of the polishing machine base is provided with a used feed inlet 2. A brown rice nozzle for feeding brown rice to the feed inlet 2 is provided on the side of the whitening machine base adjacent to the feed inlet 2.
[0008] Furthermore, the whitening roller includes:
[0009] The sand roller shaft is rotatably mounted inside the whitening machine base;
[0010] The whitening roller body is sleeved on the outside of the sanding roller shaft;
[0011] One rice sieve cylinder is fitted onto the outside of the whitening roller;
[0012] The first spiral conveyor head is installed on the outside of the sand roller shaft and below the first material inlet, and is used to convey brown rice to the rice sieve cylinder and the whitening roller.
[0013] The outer radial side of the whitening roller is provided with a spiral groove, and the outer radial side of the whitening roller is also provided with a guide groove and several guide holes.
[0014] Furthermore, the polishing roller includes:
[0015] The iron roller shaft is rotatably mounted inside the polishing chamber;
[0016] The polishing roller body is sleeved on the outside of the iron roller shaft;
[0017] Two rice sieve cylinders are fitted onto the outside of the sand roller shaft;
[0018] The second spiral conveyor head is installed on the outside of the sand roller shaft and below the second receiving port. It is used to convey brown rice between the second rice sieve cylinder and the polishing roller.
[0019] Furthermore, a support frame 1 for fixing the rice sieve cylinder 1 is provided in the whitening chamber, and a support frame 2 for fixing the rice sieve cylinder 2 is provided in the polishing chamber.
[0020] Furthermore, the rice sieve cylinder includes several arc-shaped rice sieve plates, which together form a cylindrical structure.
[0021] Furthermore, the second type of rice sieve cylinder has an octagonal structure.
[0022] Furthermore, a fan is installed on one side of the polishing machine base. The air inlet of the fan is equipped with a bran-collecting pipe extending to the lower end of rice sieve cylinder one and rice sieve cylinder two. A sand roller bran-collecting hopper and an iron roller bran-collecting hopper that cooperate with the bran-collecting pipe are respectively fixedly installed at the lower end of rice sieve cylinder one and rice sieve cylinder two.
[0023] Furthermore, a rice outlet is provided on one side of the polishing machine base, and an elastic pressure baffle is hinged to the upper end of the rice outlet.
[0024] The beneficial effects of this utility model are as follows:
[0025] The integration of the polishing base and the whitening base into one unit can effectively reduce space occupation and improve space utilization. The brown rice output from the whitening base can be conveyed into the polishing base through the brown rice nozzle, eliminating the need for manual intervention in the receiving and conveying of brown rice between the two bases, thus effectively improving production efficiency. Attached Figure Description
[0026] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0027] Figure 1 This is a cross-sectional view of the integrated sand and iron double rice milling machine, a specific embodiment of this utility model. Detailed Implementation
[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0029] In the description of this application, it should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. For ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.
[0030] Example 1:
[0031] like Figure 1 As shown, this utility model discloses an integrated sand and iron double rice milling machine, including a machine body, the machine body comprising:
[0032] A polishing machine base 800 is provided, and a polishing chamber 801 is provided inside the polishing machine base 800. A polishing iron roller 802 for polishing brown rice is rotatably installed inside the polishing chamber 801.
[0033] The whitening machine base 803 is fixedly installed on one side of the upper end of the polishing machine base 800. The whitening machine base 803 is provided with a whitening chamber 804. A whitening sand roller 805 for whitening brown rice is rotatably installed in the whitening chamber 804.
[0034] Among them, a feed inlet 1 connected to the whitening chamber 804 is installed on one side of the upper end of the whitening machine base 803, and a used feed inlet 2 is opened on one side of the upper end of the polishing machine base 800. A brown rice nozzle for feeding brown rice to the feed inlet 2 is opened on the side of the whitening machine base 803 adjacent to the feed inlet 2.
[0035] By adopting the above technical solution, the polishing base and the whitening base are integrated into one unit, which can effectively reduce space occupation and improve space utilization. The brown rice output from the whitening base can be conveyed into the polishing base through the brown rice nozzle, eliminating the need for manual intervention in the receiving and conveying of brown rice between the two bases, thus effectively improving production efficiency.
[0036] Example 2:
[0037] This embodiment provides a dual rice milling machine that integrates sand and iron, which, in addition to the technical solutions of the above embodiments, also has the following technical features.
[0038] Furthermore, the whitening roller 805 includes:
[0039] The sand roller shaft is rotatably installed inside the whitening machine base 803;
[0040] The whitening roller body 806 is sleeved on the outside of the sand roller shaft;
[0041] The rice sieve cylinder 807 is sleeved on the outside of the whitening roller 806;
[0042] The spiral conveyor head 808 is installed on the outside of the sand roller shaft and below the material inlet, and is used to convey brown rice between the rice sieve cylinder 807 and the whitening roller 806.
[0043] Among them, the radial outer side of the whitening roller body 806 is provided with a spiral groove, and the radial outer side of the whitening roller body 806 is also provided with a guide groove 809 and a number of guide holes 810.
[0044] By adopting the above technical solution, the spiral groove facilitates the movement of brown rice within the rice sieve cylinder, and the guide groove and guide hole facilitate air circulation during bran extraction, effectively dissipating heat from the whitening roller.
[0045] Example 3:
[0046] This embodiment provides a dual rice milling machine that integrates sand and iron, which, in addition to the technical solutions of the above embodiments, also has the following technical features.
[0047] Furthermore, the polishing roller 802 includes:
[0048] The iron roller shaft is rotatably installed inside the polishing chamber 801;
[0049] The polishing roller body 811 is sleeved on the outside of the iron roller shaft;
[0050] The rice sieve cylinder 2, 812, is sleeved on the outside of the sand roller shaft;
[0051] The spiral conveyor head 813 is installed on the outside of the sand roller shaft and below the receiving port 2. It is used to convey brown rice between the rice sieve cylinder 812 and the polishing roller 811.
[0052] By adopting the above technical solution, the spiral conveyor head 2 can convey the brown rice that falls into the receiving port 2 to the polishing roller body and the rice sieve cylinder 2.
[0053] Example 4:
[0054] This embodiment provides a dual rice milling machine that integrates sand and iron, which, in addition to the technical solutions of the above embodiments, also has the following technical features.
[0055] Furthermore, a support frame 1 for fixing the rice sieve cylinder 807 is provided in the whitening chamber 804, and a support frame 2 for fixing the rice sieve cylinder 812 is provided in the polishing chamber 801.
[0056] By adopting the above technical solution, support frame one and support frame two are used to support and fix rice sieve cylinder one and rice sieve cylinder two respectively, so as to improve the overall stability of the equipment operation.
[0057] Example 5:
[0058] This embodiment provides a dual rice milling machine that integrates sand and iron, which, in addition to the technical solutions of the above embodiments, also has the following technical features.
[0059] Furthermore, the rice sieve cylinder 807 includes several arc-shaped rice sieve plates, which together form a cylinder structure.
[0060] By adopting the above technical solution, it is convenient to disassemble and assemble the rice sieve cylinder.
[0061] Example 6:
[0062] This embodiment provides a dual rice milling machine that integrates sand and iron, which, in addition to the technical solutions of the above embodiments, also has the following technical features.
[0063] Furthermore, the rice sieve cylinder 2812 is an octagonal cylinder.
[0064] By adopting the above technical solution, the octagonal structure of the cylinder helps to disperse the brown rice, avoid clumping, and better polish the brown rice.
[0065] Example 7:
[0066] This embodiment provides a dual rice milling machine that integrates sand and iron, which, in addition to the technical solutions of the above embodiments, also has the following technical features.
[0067] Furthermore, a fan 814 is installed on one side inside the polishing machine base 800. The air inlet end of the fan 814 is provided with a bran-collecting pipe extending to the lower end of the rice sieve cylinder 1 807 and the rice sieve cylinder 2 812. The lower ends of the rice sieve cylinder 1 807 and the rice sieve cylinder 2 812 are respectively fixedly installed with a sand roller bran-collecting hopper and an iron roller bran-collecting hopper that cooperate with the bran-collecting pipe.
[0068] By adopting the above technical solution, the rice bran separated by the rice sieve can be sent to the crushing device to be crushed into fine bran by the setting of the fan, which also helps the heat dissipation of the machine body.
[0069] Example 8:
[0070] This embodiment provides a dual rice milling machine that integrates sand and iron, which, in addition to the technical solutions of the above embodiments, also has the following technical features.
[0071] Furthermore, a rice outlet is provided on one side of the polishing machine base 800, and an elastic pressure baffle 815 is hinged to the upper end of the rice outlet.
[0072] By adopting the above technical solution and setting the elastic pressure baffle, the pressure baffle can be pushed upward after the brown rice is fully polished to open the outlet and discharge the rice, thus avoiding the discharge of brown rice that is not fully polished. It is simple and practical.
[0073] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A sand iron integrated double rice mill comprising a machine body, characterized in that, The machine body comprises: a polishing seat (800) provided with a polishing chamber (801) in which a polishing iron roller (802) for polishing brown rice is rotatably installed; a whitening seat (803) fixedly installed on one side of the upper end of the polishing seat (800) and provided with a whitening chamber (804) in which a whitening sand roller (805) for whitening brown rice is rotatably installed; wherein the whitening seat (803) is provided with a first feeding port communicating with the whitening chamber (804) on one side of the upper end thereof, the polishing seat (800) is provided with a second receiving port on one side of the upper end thereof, and the whitening seat (803) is provided with a brown rice outlet adjacent to the second receiving port.
2. The sand iron integrated dual rice polisher according to claim 1, wherein, The whitening sand roller (805) comprises: a sand roller shaft rotatably installed in the whitening seat (803); a whitening roller body (806) sleeved outside the sand roller shaft; a rice sieve cylinder body (807) sleeved outside the whitening roller body (806); a first spiral conveying head (808) installed outside the sand roller shaft and below the second receiving port for conveying brown rice between the rice sieve cylinder body (807) and the whitening roller body (806); wherein the whitening roller body (806) is provided with spiral grooves on the outer side thereof, and is further provided with a flow guide channel (809) and a plurality of flow guide holes (810) on the outer side thereof.
3. The sand iron integrated dual rice polisher according to claim 2, wherein, The polishing iron roller (802) comprises: an iron roller shaft rotatably installed in the polishing chamber (801); a polishing roller body (811) sleeved outside the iron roller shaft; a rice sieve cylinder body (812) sleeved outside the sand roller shaft; a second spiral conveying head (813) installed outside the sand roller shaft and below the second receiving port for conveying brown rice between the rice sieve cylinder body (812) and the polishing roller body (811).
4. The sand iron integrated dual rice polisher according to claim 3, wherein, The whitening chamber (804) is provided with a support frame one for fixing the rice sieve cylinder body (807), and the polishing chamber (801) is provided with a support frame two for fixing the rice sieve cylinder body (812).
5. The integrated sand iron double rice mill according to claim 4, characterized in that: The rice sieve cylinder body (807) comprises a plurality of arc-shaped rice sieve plates surrounding a cylindrical structure.
6. The sand iron integrated dual rice polisher according to claim 4, wherein, The rice sieve cylinder body (812) is an octagonal cylindrical body.
7. The integrated sand iron dual rice mill according to claim 1, wherein, A fan (814) is installed on one side of the polishing seat (800), the air inlet end of the fan (814) is provided with a bran suction pipe extending to the lower ends of the rice sieve cylinder body (807) and the rice sieve cylinder body (812), and the lower ends of the rice sieve cylinder body (807) and the rice sieve cylinder body (812) are respectively fixedly provided with a sand roller bran collecting hopper and an iron roller bran collecting hopper matched with the bran suction pipe.
8. The sand iron integrated dual rice polisher according to claim 1, wherein, An outlet is provided on one side of the polishing seat (800), and an elastic pressure partition plate (815) is hingedly connected to the upper end of the outlet.