A rice huller

Abstract

The utility model discloses a huller, including feeding device, shelling device, hulling under thing separator, drive arrangement, control unit and frame, feeding device includes hopper, unloading control mechanism and sets up first detecting device on hopper, shelling device includes first rubber roll, second rubber roll and roll pressure adjusting device between, first rubber roll, second rubber roll are respectively with drive arrangement transmission connection, and roll pressure adjusting device between is used for adjusting the interval of first rubber roll, second rubber roll to realize roll pressure adjusting between, first detecting device and control unit electric connection, unloading control mechanism, roll pressure adjusting device between respectively with control unit electric connection, and control unit according to the detection signal of first detecting device controls unloading control mechanism, roll pressure adjusting device between and works.

Description

Technical Field

[0001] This application relates to the field of rice processing technology, and more specifically, to a rice huller. Background Technology

[0002] Rice hulling is a crucial step in paddy processing, its task being to remove the husk from the paddy and minimize brown rice breakage. Currently, the rubber-roller rice hullers commonly used in China suffer from several technical deficiencies: First, their process parameters (such as roller pressure, roller speed difference, and feed rate) are typically set manually by operators based on experience, lacking automated control. Second, due to significant differences and continuous fluctuations in the characteristics of paddy varieties, moisture content, and maturity, this fixed parameter setting method struggles to dynamically adapt to the changing characteristics of the processed material. These technical deficiencies lead to a series of process problems: unstable hulling rates, sometimes too high causing brown rice damage, and sometimes too low resulting in husk residue; persistently high broken rice rates, severely impacting finished product quality; and large fluctuations in output, making stable and efficient production difficult. More specifically, existing equipment cannot sense changes in paddy characteristics in real time and lacks an intelligent control system that automatically adjusts process parameters based on material properties, making it difficult to maintain stable processing quality. Furthermore, the roller pressure adjustment mechanism of traditional rice hullers has a slow response speed and low precision, making it impossible to achieve rapid and accurate pressure adjustment; the feeding device lacks intelligent control and cannot automatically adjust the feeding speed according to the material characteristics. These problems all restrict the improvement of rice hulling process efficiency. Existing technologies urgently need improvement to address these issues. Utility Model Content

[0003] The purpose of this invention is to overcome the shortcomings of the existing technology and provide a rice hulling machine.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: A rice huller includes a feeding device, a hulling device, a hulling material separation device, a drive device, a control unit, and a frame. The feeding device includes a hopper, a feeding control mechanism, and a first detection device mounted on the hopper. The hulling device includes a first rubber roller, a second rubber roller, and an inter-roller pressure regulating device. The first rubber roller and the second rubber roller are respectively connected to the drive device. The inter-roller pressure regulating device is used to adjust the distance between the first rubber roller and the second rubber roller to achieve inter-roller pressure regulation. The first detection device is electrically connected to the control unit. The feeding control mechanism and the inter-roller pressure regulating device are respectively electrically connected to the control unit. The control unit controls the feeding control mechanism and the inter-roller pressure regulating device to operate according to the detection signal from the first detection device.

[0005] Furthermore, this application also proposes that the first detection device is a near-infrared spectrometer or a microwave moisture hardness meter.

[0006] Furthermore, this application also proposes that the material feeding control mechanism includes: an adjusting plate that is rotatably disposed at the material feeding port of the hopper and a first hydraulic adjusting mechanism that is pulsatorically connected to the adjusting plate.

[0007] Furthermore, this application also proposes that the first rubber roller is slidably mounted on the frame, and the roller pressure adjustment device is connected to the first rubber roller drive.

[0008] Furthermore, this application also proposes that the frame is provided with a slide rail, the first shaft seat of the first rubber roller is provided with a slider, and the first rubber roller is slidably mounted on the slide rail via the slider.

[0009] Furthermore, this application also proposes that the roller pressure regulating device includes a second hydraulic regulating mechanism disposed on one side of the first rubber roller, the second hydraulic regulating mechanism being connected to the first shaft seat via a connecting member.

[0010] Furthermore, this application also proposes that the shelling device further includes a device housing, and the area of ​​the device housing corresponding to the first roller shaft of the first rubber roller is provided with a groove with a length not less than the adjustment distance of the first rubber roller.

[0011] Furthermore, this application also proposes that the grooved area be sealed with two rubber segments, upper and lower.

[0012] Compared with the prior art, the rice huller provided in this application automatically adjusts the feeding speed and roller pressure according to the detection signal of the first detection device through the control unit, so as to realize the dynamic adaptation of process parameters and material characteristics. It has the advantage of automatically adjusting process parameters according to the characteristics of rice to improve the stability of processing quality. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of the rice huller of this utility model.

[0014] Figure 2 This is a schematic diagram of the structure of the hopper of this utility model.

[0015] Figure 3 This is a schematic diagram of the structure of the hopper of this utility model (from another perspective).

[0016] Figure 4 This is a schematic diagram of the shell-removing device of this utility model.

[0017] Figure 5 This is a schematic diagram of the structure of the first bearing of this utility model.

[0018] Figure 6 This is a schematic diagram of the structure of the housing of the device of this utility model. Detailed Implementation

[0019] The technical solutions of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. The components of this application described and shown in the accompanying drawings can generally be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of this application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without inventive effort are within the scope of protection of this application. It should be noted that similar reference numerals and letters in the following drawings indicate similar items; therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings. Furthermore, in the description of this application, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0020] In existing technologies, traditional rubber roller rice hullers rely on manual experience to set fixed process parameters such as roller pressure and feed rate. Due to differences in rice varieties, moisture content, and maturity, these fixed parameters cannot adapt to fluctuations in material characteristics, resulting in unstable hulling rates, high broken rice rates, and large output fluctuations. For example, when processing high-hardness rice, incomplete hulling can easily occur if the roller pressure is not increased in time; conversely, when processing low-moisture rice, increased broken rice may result from material accumulation if the feed rate is not reduced simultaneously.

[0021] To address these issues, the inventors discovered that the core problem lies in the lack of dynamic matching between process parameters and material properties. By studying the correlation between the physical properties of rice and processing parameters, they proposed a technical approach that combines real-time monitoring with automatic control. First, key parameters such as rice hardness and moisture content need to be acquired online. Then, a mathematical model is established relating these parameters to roller pressure and feed rate. Finally, dynamic adjustment is achieved through closed-loop control. This approach breaks through the traditional operation mode that relies on manual experience, forming an intelligent adjustment mechanism based on material feedback. Therefore, as Figure 1 As shown, this application proposes a rice huller, including: a feeding device 1, a hulling device 2, a hulling material separation device 3, a drive device 4, a control unit 5, and a frame 9.

[0022] Combination Figure 1-4As shown, the feeding device 1 includes a hopper 11, a feeding control mechanism 12, and a first detection device 13; the shelling device 2 includes a first rubber roller 21, a second rubber roller 22, and an inter-roller pressure regulating device 23; the first detection device 13 is electrically connected to the control unit 5, and the feeding control mechanism 12 and the inter-roller pressure regulating device 23 are respectively electrically connected to the control unit 5; the control unit 5 controls the feeding control mechanism 12 and the inter-roller pressure regulating device 23 to work according to the detection signal of the first detection device 13.

[0023] The first detection device 13 refers to a sensor used for online detection of the physical properties of rice. Specifically, it can be a near-infrared spectrometer or a microwave moisture and hardness meter, acquiring real-time data on the hardness and moisture content of the rice through non-contact measurement. The feeding control mechanism 12 is an actuator for adjusting the material flow rate. Specifically, it can be a hydraulically driven adjusting plate, controlling the feed rate by changing the opening of the feeding port. The roller pressure regulating device 23 is a mechanical device for adjusting the distance between the rubber rollers. Specifically, it can be a hydraulic cylinder driving the rubber roller shaft seat to move along a slide rail, adjusting the pressure by changing the contact area between the rollers. The control unit 5 is a data processing and instruction generation module. Specifically, it can be an embedded controller, receiving detection data, executing a preset algorithm, and outputting control signals to the actuator.

[0024] Specifically, when the paddy rice enters the hopper 11, the first detection device 13 collects material characteristic data in real time and transmits it to the control unit 5. The control unit 5 calculates the optimal feeding speed and roller pressure parameters based on the detection data, and synchronously adjusts the opening of the feeding control mechanism 12 and the displacement of the roller pressure regulating device 23. For example, if a decrease in the moisture content of the paddy rice is detected, the control unit 5 will reduce the opening of the feeding port to decrease the feeding speed, while simultaneously increasing the roller pressure to compensate for the increased material hardness. The drive device 4 is connected to the first rubber roller 21 and the second rubber roller 22 via belts 41 to maintain a constant difference in the linear speed of the rubber rollers, ensuring dehulling efficiency. Through closed-loop control of material characteristic detection, parameter calculation, and actuator adjustment, dynamic matching of process parameters and material state is achieved.

[0025] Compared to existing technologies, traditional equipment relies on manual observation and experience-based adjustments, resulting in response lag and operational errors. This solution replaces manual intervention with online detection and automatic control, achieving millisecond-level parameter adjustments. Existing technologies using fixed parameters cannot adapt to material fluctuations; this solution uses a closed-loop feedback mechanism to ensure that process parameters always follow changes in material characteristics, fundamentally solving the problem of parameter-material mismatch. Furthermore, the coordinated adjustment of roller pressure and feed rate avoids system imbalances caused by adjusting a single parameter.

[0026] Based on the above embodiments, this application can automatically optimize process parameters according to the real-time characteristics of rice, significantly improving the stability of the hulling rate, reducing broken rice production, and maintaining stable yield. When processing rice of different varieties or moisture contents, the system automatically matches the optimal operating parameters, eliminating the need for repeated manual adjustments. When material characteristics change, the control unit 5 responds quickly and adjusts the actuator, effectively suppressing fluctuations in processing quality.

[0027] In this embodiment, the first detection device 13 is a near-infrared spectrometer or a microwave moisture and hardness meter (only the probe is shown in the figure). The near-infrared spectrometer is a device that analyzes the composition of a substance by detecting the characteristic absorption spectrum of near-infrared light. Specifically, it can be implemented using a spectrometer with a wavelength range of 780-2500 nm. This device detects the characteristic absorption peaks of components such as moisture and protein in rice to obtain the moisture content and maturity parameters of the rice in real time. The microwave moisture and hardness meter is a device that measures the hardness and moisture content of rice by utilizing the change in dielectric constant caused by microwaves penetrating the material. Specifically, it can be implemented using a 2.45 GHz microwave sensor. This device analyzes the attenuation and phase shift of the microwave signal in the rice to simultaneously determine the hardness and moisture content of the rice.

[0028] Specifically, a near-infrared spectrometer emits near-infrared light of a specific wavelength that penetrates the surface of the rice grains. Based on the intensity changes of the absorption peaks characteristic of moisture in the reflection spectrum, real-time moisture content data is calculated. A microwave moisture and hardness meter emits microwave signals into the rice grains. By detecting the difference in microwave energy loss and propagation speed after penetration, a model establishing the correspondence between dielectric constant and rice hardness is established. The output signals of both detection devices are transmitted to control unit 5, serving as data for adjusting the feeding speed and roller pressure. When an increase in rice moisture content is detected, control unit 5 compensates for roller slippage by increasing the roller pressure; when an increase in rice hardness is detected, control unit 5 extends the dehulling time by reducing the feeding speed.

[0029] Compared to existing technologies, traditional rice hullers rely on operators visually observing the color of the rice or manually sampling to test moisture content, which introduces subjective judgment errors and detection lag. This solution utilizes non-contact detection methods to achieve online measurement of characteristic parameters during the continuous flow of rice, eliminating deviations in process parameter settings caused by human experience. This application enables real-time quantitative detection of the physical properties of rice, allowing the adjustment of roller pressure and the control of feeding speed to be dynamically matched according to the actual state of the rice, effectively solving the problems of decreased hulling rate and increased broken rice rate caused by fluctuations in material properties.

[0030] In this embodiment, as Figure 2-3As shown, the material feeding control mechanism 12 includes an adjusting plate 121 rotatably mounted at the material feeding port of the hopper 11 and a first hydraulic adjusting mechanism 122 connected to the adjusting plate 121. The adjusting plate 121 is a plate-shaped structure that changes the opening of the material feeding port through rotational movement. Specifically, it can be implemented as a fan-shaped metal plate with a rotating shaft, whose rotation axis is perpendicular to the material flow direction. The material flow rate is controlled by changing the angle between the plate and the material feeding port. The first hydraulic adjusting mechanism 122 is an actuator that drives the adjusting plate 121 to rotate via a hydraulic cylinder. Specifically, it can be implemented using a double-acting hydraulic cylinder in conjunction with a linkage mechanism. The hydraulic system pressure is adjustable within a range of 0.5-5 MPa and has a displacement feedback function to precisely control the rotation angle of the adjusting plate 121.

[0031] Specifically, when the characteristics of the rice change, the hydraulic cylinder drives the adjusting plate 121 to rotate around the shaft through a push-pull action, making the opening of the discharge port continuously adjustable within the range of 15°-75°. The edge of the adjusting plate 121 maintains a gap of 0.5-1mm with the inner wall of the hopper 11 to prevent material jamming, and its arc-shaped working surface guides the material to fall evenly. The hydraulic system adjusts the cylinder stroke in real time according to the instructions of the control unit 5, so that the rotation accuracy of the adjusting plate 121 is controlled within ±0.5°, achieving precise adjustment of the feeding rate of 50-200kg per minute. Through the combination of hydraulic drive and rotation of the adjusting plate 121, the opening can be automatically and continuously adjusted during operation, and the adjustment response time is shortened to less than 2 seconds, eliminating the lag error caused by manual intervention.

[0032] Through the above technical solution, this application achieves dynamic matching between the feed rate and the physical properties of rice, effectively reducing the broken rice rate. The rotating structure of the regulating plate 121 avoids the problem of easy jamming in the linear motion of traditional gates, and the self-locking characteristic of hydraulic drive can resist displacement deviation caused by material impact, ensuring the stability of flow control.

[0033] like Figure 4 As shown, in this embodiment, the first rubber roller 21 is slidably mounted on the frame 9, and the inter-roller pressure adjusting device 23 is drive-connected to the first rubber roller 21. The slidable mounting means that the first rubber roller 21 forms a relative displacement degree of freedom with the frame 9 through a mechanical sliding mechanism. Specifically, this can be achieved using a slide rail and slider cooperation structure. The slide rail is fixed to the frame 9, and the slider is fixed to the shaft seat of the first rubber roller 21, allowing the rubber roller to maintain a linear movement trajectory during adjustment. This structure provides a physical basis for dynamic adjustment of the rubber roller position, avoiding the adjustment resistance caused by traditional fixed installation. The drive connection means that a direct power transmission relationship is established between the inter-roller pressure adjusting device 23 and the first rubber roller 21. Specifically, this can be achieved using a hydraulic push rod, electric lead screw, or gear and rack mechanism, converting the driving force into rubber roller displacement through a rigid connecting member. This design ensures immediate response to adjustment commands and eliminates the idle stroke error present in traditional indirect transmission.

[0034] Specifically, the cooperation between the slide rail and the slider allows the first rubber roller 21 to move smoothly along a predetermined direction on the frame 9. The roller pressure adjustment device 23 changes the distance between the first rubber roller 21 and the second rubber roller 22 through a push-pull action. When a change in the characteristics of the rice is detected, the control unit 5 drives the adjustment device to generate a precise displacement, so that the distance between the two rubber rollers adapts to the current hulling requirements in real time. The low friction characteristics of the sliding structure and the rigidity of the transmission connection work together to ensure that the pressure adjustment process has both rapid response capability and maintains a stable roller contact state.

[0035] Compared to existing technologies, traditional rubber roller rice hullers often rely on manual knob adjustments to fix the bolt positions. This requires stopping the machine and depends on operator experience, making dynamic and precise control difficult. This solution combines a sliding structure with an automated transmission device, transforming roller pressure adjustment into a continuous and controllable closed-loop process. Real-time adjustments can be made during equipment operation, effectively eliminating adjustment lag and accuracy fluctuations caused by manual intervention. This embodiment solves the problem of inaccurate roller pressure control caused by inconvenient roller spacing adjustment, enabling the pressure value between the two rollers to dynamically match according to material characteristics. This maintains stable hulling efficiency even with fluctuations in rice variety and moisture content, while reducing the risk of increased broken rice rate due to pressure inaccuracies.

[0036] In this embodiment, the frame 9 is provided with a slide rail 91, and the first bearing seat 211 of the first rubber roller 21 is provided with a slider 212. The first rubber roller 21 is slidably mounted on the slide rail 91 via the slider 212. The slide rail 91 is a mechanical structure mounted on the frame 9 with a linear guiding function. Specifically, it can be a rectangular cross-section guide rail or a V-groove guide rail, and its surface is hardened to improve wear resistance. The guiding function of the slide rail 91 can constrain the movement direction of the rubber roller and prevent lateral deviation during adjustment. The slider 212 is a component that forms a sliding pair with the slide rail 91. Specifically, it can be a linear bearing with balls or rollers, and its internal lubrication channels reduce frictional resistance. The cooperation between the slider 212 and the slide rail 91 keeps the rubber roller stable during movement, reducing the impact of vibration on adjustment accuracy. The first bearing seat 211 is a mounting seat fixed to the end of the first rubber roller 21 to support the roller shaft. Specifically, it can be a cast iron or welded steel structure, and its bottom is rigidly connected to the slider 212 by bolts. The integrated design of the first bearing 211 and the slider 212 ensures that the force is uniform when the rubber roller moves, avoiding structural deformation caused by local stress concentration.

[0037] Specifically, the slide rail 91 is fixedly installed along the length of the frame 9, and the sliding surface of the slider 212 forms a clearance fit with the guide surface of the slide rail 91. When the roller pressure regulating device 23 drives the first rubber roller 21 to move, the slider 212 translates along the straight path of the slide rail 91, keeping the axis of the rubber roller always parallel. The rigid support of the slide rail 91 counteracts the radial load on the rubber roller, preventing positional drift caused by material compression. The rolling elements inside the slider 212 convert sliding friction into rolling friction, reducing drive energy consumption while improving position repeatability.

[0038] refer to Figure 4 and Figure 5 As shown, in this embodiment, the roller pressure regulating device 23 includes a second hydraulic regulating mechanism 231 disposed on one side of the first rubber roller 21. The second hydraulic regulating mechanism 231 is connected to the first shaft seat 211 via a connecting member 232. The second hydraulic regulating mechanism 231 is a hydraulic drive device mounted on the side of the rubber roller, specifically a double-acting hydraulic cylinder in conjunction with a servo valve. The extension and retraction of the hydraulic cylinder directly pushes the rubber roller shaft seat to move along the slide rail. This structure places the driving force application point on the side of the rubber roller, avoiding the torque imbalance problem caused by traditional central drives. The connecting member 232 is a rigid transmission component connecting the output end of the hydraulic mechanism to the rubber roller shaft seat. Specifically, it can be a hinged connecting rod or a push rod with a sliding bearing, allowing a small angular offset of the rubber roller during its movement along the slide rail while transmitting hydraulic thrust. This component mechanically converts hydraulic power into linear displacement of the rubber roller, while compensating for assembly errors between the slide rail trajectory and the hydraulic cylinder axis.

[0039] Specifically, the fixed end of the hydraulic cylinder of the second hydraulic adjustment mechanism 231 is mounted on the side wall of the frame 9, and the end of the piston rod is hinged to the first bearing seat 211 via a connector 232. When the hydraulic system receives a control signal, the piston rod pushes the bearing seat to move along the slide rail 91, changing the distance between the two rubber rollers. The hinged structure of the connector 232 ensures that the rubber rollers remain coaxial with the driving force during the movement of the slide rail, preventing lateral forces from causing the slide rail to jam. The closed-loop control characteristics of the hydraulic system can adjust the output pressure in real time, ensuring the dynamic stability of the pressure value during the adjustment of the rubber roller distance.

[0040] Please refer to Figure 6As shown, in this embodiment, the shelling device 2 further includes a device housing 25. The device housing 25 has a slot 251 with a length not less than the adjustment distance of the first rubber roller 21 in the area corresponding to the first roller shaft 213 of the first rubber roller 21. The device housing 25 refers to the protective structure that encloses the main body of the shelling device 2. Specifically, it can be formed by welding or bolting metal sheets, and is used to isolate the shelling operation area and prevent foreign objects from entering. The slot 251 is a strip-shaped opening along the surface of the housing, which can be formed by cutting or stamping. Its length direction is consistent with the sliding direction of the first rubber roller 21, providing space for the movement of the rubber roller. The adjustment distance refers to the maximum displacement of the first rubber roller 21 on the slide rail 91, which can be determined by the stroke parameters of the hydraulic adjustment mechanism.

[0041] Specifically, when the housing 25 covers the main body of the shell-removing device 2, the position of the slot 251 corresponds to the axial extension area of ​​the first roller shaft 213. When the first rubber roller 21 moves along the slide rail 91 via the slider 212, the first roller shaft 213 moves synchronously within the range of the slot 251. Since the length of the slot 251 is not less than the maximum adjustment distance of the rubber roller, the rubber roller will not contact the housing during its entire stroke. The rest of the housing remains completely enclosed, with only the slot 251 in the roller shaft area providing partial avoidance, thus maintaining the equipment's protective performance while avoiding structural interference.

[0042] Furthermore, two rubber segments, upper and lower, are provided for sealing at the slot 251 on the device housing 25. These two rubber segments are separate sealing structures made of elastic material, specifically nitrile rubber or silicone rubber, with edges designed to overlap or interlock. This structure compensates for gap changes caused by the sliding of the rubber roller through elastic deformation, maintaining the continuity of the sealing interface during dynamic adjustment.

[0043] The sealing refers to the formation of a closed space through physical barriers, which can be achieved through contact sealing. The contact surface of the sealing element can be textured with corrugations or serrations to enhance the fit. This structure maintains the coverage area by sliding the upper and lower segments out of alignment during axial displacement of the rubber roller, preventing the formation of a through channel at the slot 251. Specifically, when the first rubber roller 21 slides along the slide rail 91 to adjust the spacing, the slider 212 connected to the first shaft seat 211 drives the sealing structure to move synchronously. The upper and lower rubber segments are fixed to the upper and lower edges of the slot 251 on the device housing 25, respectively. During the displacement of the rubber roller, the upper rubber segment undergoes tensile deformation as the roller moves, while the lower rubber segment undergoes compressive deformation, and the contact surfaces of the two segments always remain overlapping. The movement trajectory of the sealing structure is parallel to the axis of the rubber roller, and the dividing line is located in the non-working area of ​​the rubber roller, avoiding direct contact with the rotating roller surface and preventing wear. The sealing structure effectively prevents rice grain debris from leaking from the slot 251, while also preventing external dust from entering the hulling area and interfering with the working gap of the rubber roller. The adaptive deformation capability of the sealing structure ensures the reliability of the seal under different adjustment positions, reduces material loss and equipment cleaning and maintenance frequency due to seal failure, and improves the stability of the shelling operation.

[0044] The above description is merely an embodiment of this application and is not intended to limit the scope of protection of this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of protection of this application.

Claims

1. A rice huller, characterized in that, It includes a feeding device (1), a shelling device (2), a hulling material separation device (3), a drive device (4), a control unit (5), and a frame (9); The feeding device (1) includes a hopper (11), a feeding control mechanism (12), and a first detection device (13) installed on the hopper (11). The shelling device (2) includes a first rubber roller (21), a second rubber roller (22) and a roller pressure regulating device (23). The first rubber roller (21) and the second rubber roller (22) are respectively connected to the driving device (4) for transmission. The roller pressure regulating device (23) is used to adjust the distance between the first rubber roller (21) and the second rubber roller (22) to achieve roller pressure regulation. The first detection device (13) is electrically connected to the control unit (5), and the feeding control mechanism (12) and the roller pressure adjustment device (23) are electrically connected to the control unit (5) respectively. The control unit (5) controls the feeding control mechanism (12) and the roller pressure adjustment device (23) to work according to the detection signal of the first detection device (13).

2. The rice huller according to claim 1, characterized in that, The first detection device (13) is a near-infrared spectrometer or a microwave moisture hardness meter.

3. The rice huller according to claim 1, characterized in that, The feeding control mechanism (12) includes: an adjustment plate (121) rotatably disposed at the feeding port of the hopper (11) and a first hydraulic adjustment mechanism (122) pulverically connected to the adjustment plate (121).

4. The rice huller according to claim 1, characterized in that, The first rubber roller (21) is slidably mounted on the frame (9), and the roller pressure adjustment device (23) is connected to the first rubber roller (21) via transmission.

5. The rice huller according to claim 4, characterized in that, The frame (9) is provided with a slide rail (91), and the first shaft seat (211) of the first rubber roller (21) is provided with a slider (212). The first rubber roller (21) is slidably mounted on the slide rail (91) via the slider (212).

6. The rice huller according to claim 5, characterized in that, The roller pressure regulating device (23) includes a second hydraulic regulating mechanism (231) disposed on one side of the first rubber roller (21), and the second hydraulic regulating mechanism (231) is connected to the first shaft seat (211) via a connector (232).

7. The rice huller according to claim 6, characterized in that, The shelling device (2) also includes a device housing (25), and the device housing (25) is provided with a slot (251) with a length not less than the adjustment distance of the first rubber roller (21) in the area corresponding to the first roller shaft (213) of the first rubber roller (21).

8. The rice huller according to claim 7, characterized in that, The groove (251) is also provided with two rubber lobes for sealing.

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