A rice hulling apparatus for rice processing

Abstract

The application discloses a rice hulling device for rice processing, which comprises a casing, a hulling assembly arranged in the casing, a feeding hopper arranged at the top of the casing and a uniform feeding mechanism, wherein the uniform feeding mechanism is arranged in the feeding hopper, and the feeding end of the uniform feeding mechanism corresponds to the position of the hulling assembly. The rice hulling device for rice processing provided by the embodiment of the application can solve the problems of uneven distribution of materials, local over-thick material layer and insufficient feeding on both sides of the traditional rice hulling device by arranging the uniform feeding mechanism and the symmetrically arranged side flow splitting assembly to pre-split the rice in the feeding hopper into two material flows, and then cooperating with the uniform feeding screw blades in the uniform feeding assembly to uniformly spread the rice along the axial direction, so that the overall quality of the hulling process is improved, and the service life of the rubber roller is prolonged.

Description

Technical Field

[0001] This application relates to the technical field of rice processing equipment, and more particularly to a paddy hulling device for rice processing. Background Technology

[0002] Hulling is a key step in rice processing. The purpose of hulling is to use hulling equipment to remove the outer husk of the rice, separate the brown rice, and remove the inedible husk, in preparation for subsequent milling to remove the bran and refine the white rice.

[0003] Existing dehulling equipment mainly consists of a casing, a feeding hopper, separating rubber rollers, and a transmission structure. During dehulling, two rubber rollers rotate in opposite directions at different speeds. As the rice passes through the gap, it is squeezed and rubbed, causing the outer husk to break and fall off, thus completing the dehulling process. However, during the feeding process, the rice tends to accumulate in the middle of the two rubber rollers when falling from the feeding hopper, resulting in an uneven distribution of material, with a thicker material layer in the middle and a thinner material layer on both sides. When multiple layers of rice are stacked and enter the gap between the rubber rollers, the grains are squeezed against each other, and some grains are subjected to excessive squeezing force, increasing the rate of broken rice and thus affecting the dehulling quality. At the same time, insufficient feeding on both sides will cause uneven wear on the surface of the rubber rollers, further shortening the service life of the rubber rollers. Summary of the Invention

[0004] This application aims to at least partially address one of the technical problems in the related art.

[0005] Therefore, one objective of this application is to provide a rice hulling device for rice processing. By setting up a uniform feeding mechanism, it solves the problems of uneven material distribution, excessively thick local material layers, and insufficient feeding on both sides in traditional rice hulling devices, thereby improving the hulling quality and extending the service life of the rubber rollers.

[0006] To achieve the above objectives, this application provides a rice hulling device for rice processing, comprising a casing, a hulling assembly disposed within the casing, a feeding hopper disposed at the top of the casing, and a feeding mechanism. The feeding mechanism includes a feeding assembly, two sets of side-diverting assemblies, a reciprocating drive assembly, two sets of flow channel adjusting assemblies, and a fixed shaft fixed within the feeding hopper. The two sets of side-diverting assemblies are pivotally connected to the fixed shaft, and are arranged in an inverted V-shape within the feeding hopper. The two side-diverting assemblies and the feeding hopper together form two... The drive end of the reciprocating drive assembly of each material discharge channel is connected to two sets of side diversion assemblies. The two sets of flow channel adjustment assemblies are symmetrically arranged and slidably connected to the feeding hopper. The adjustment ends of the two sets of flow channel adjustment assemblies are connected to the reciprocating drive assembly. The two sets of flow channel adjustment assemblies drive the two sets of side diversion assemblies to rotate synchronously around the fixed axis through the reciprocating drive assembly to adjust the discharge width of the two material discharge channels. The material leveling assembly is set between the feeding hopper and the dehulling assembly to evenly distribute the rice in the feeding hopper into the feeding gap of the dehulling assembly.

[0007] In addition, the rice hulling equipment for rice processing proposed above in this application may also have the following additional technical features: In one embodiment of this application, the material leveling assembly includes a rotating rod, a material leveling hopper, a movable pressure plate, a second driving member, and an angle sensor disposed on the material leveling hopper. The rotating rod is rotatably disposed inside the material leveling hopper, and four material leveling spiral blades are disposed on the outer wall of the rotating rod. The spiral directions of the four material leveling spiral blades are opposite to each other, and the four material leveling spiral blades are arranged equidistantly and alternately along the axial direction of the rotating rod. The material leveling hopper is disposed inside the machine housing. The second driving member is disposed on the material leveling hopper, and the driving end of the second driving member is connected to one end of the rotating rod. The movable pressure plate is rotatably disposed at the outlet of the material leveling hopper, and the rotating shaft end of the movable pressure plate is connected to the detection end of the angle sensor.

[0008] In one embodiment of this application, each set of side diversion components includes a diversion plate and a plurality of shafts, wherein the top end of the diversion plate is pivotally connected to the fixed shaft, the plurality of shafts are equidistantly rotatably disposed on the diversion plate, and the outer wall of the shafts is in contact with the diversion plate, the outer wall of the plurality of shafts is respectively provided with guide vanes, and one end of the shaft is provided with a transmission gear.

[0009] In one embodiment of this application, the reciprocating drive assembly includes a guide rail, a rack, multiple connecting rods, a drive rod, a rocker arm, a crank, and a third drive member. The rack is slidably disposed on the guide rail, one end of each of the multiple connecting rods is rotatably disposed on the drive rod, two symmetrically distributed spline sleeves are disposed on the outer wall of the drive rod, the drive end of the third drive member is provided with a crank, and the two ends of the rocker arm are pivotally connected to the crank and the drive rod, respectively.

[0010] In one embodiment of this application, the guide rail is disposed on the splitter plate, and the ends of the plurality of connecting rods away from the drive rod are respectively pivotally connected to the corresponding racks, and the racks are meshed with the plurality of transmission gears on the same splitter plate.

[0011] In one embodiment of this application, each group of flow channel adjustment components includes a sliding seat, a support plate, and a fourth driving member. The fourth driving member is disposed on the feeding hopper, and the driving end of the fourth driving member is connected to the support plate. A guide sleeve is disposed inside the sliding seat, and the sliding seat is fixedly connected to the support plate. The sliding seat is slidably disposed inside the feeding hopper. The driving end of the fourth driving member is connected to the support plate. The spline sleeve is slidably disposed inside the guide sleeve. The third driving member is disposed on the support plate.

[0012] In one embodiment of this application, a guide plate is provided inside the feeding hopper. The guide plate is in the shape of an inverted V and covers the outside of the fixed shaft. Two guide hoppers are provided at the bottom of the feeding hopper. The positions of the two guide hoppers correspond to the positions of the two material discharge channels, and are used to transport rice into the equalization hopper.

[0013] In one embodiment of this application, the shelling assembly includes a first drive member, two rubber rollers, and a gear set, wherein the two rubber rollers are rotatably disposed within the housing, and the roller shafts of the two rubber rollers are connected through the gear set, the first drive member is disposed on the housing, and the drive end of the first drive member is connected to one of the rubber rollers.

[0014] In one embodiment of this application, a discharge port is provided on one side of the bottom of the casing, and a collection hopper is provided on the other side of the bottom. A negative pressure fan is provided on the collection hopper to draw the rice husks produced after dehulling into the collection hopper for collection.

[0015] Compared with the prior art, this application has at least the following beneficial effects: This application solves the problems of uneven material distribution, excessively thick material layers in some areas, and insufficient feeding on both sides in traditional rice dehulling equipment by setting up a uniform feeding mechanism. The rice is then evenly distributed along the axial direction by the uniform feeding spiral blades in the uniform feeding component, which in turn evenly distribute the rice throughout the entire feeding gap of the dehulling component. This improves the overall quality of the dehulling process. At the same time, the uniform material distribution makes the roller surfaces of the two rubber rollers more evenly stressed, thus extending the service life of the rubber rollers.

[0016] Additional aspects and advantages of this application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of this application. Attached Figure Description

[0017] The above and / or additional aspects and advantages of this application will become apparent and readily understood from the following description of the embodiments taken in conjunction with the accompanying drawings, wherein: Figure 1 This is a schematic diagram of the overall structure of a rice hulling device for rice processing according to this application; Figure 2 This is a schematic diagram of the collection hopper structure of a rice hulling device for rice processing according to this application; Figure 3 This is a schematic diagram of the dehulling component structure of a rice dehulling device for rice processing according to this application; Figure 4 This is a schematic diagram of the uniform feeding component structure of a rice hulling device for rice processing according to this application; Figure 5 This is a schematic diagram showing the installation position of the feeding mechanism of a rice hulling device for rice processing according to this application; Figure 6 This is a schematic diagram of the uniform feeding mechanism of a rice hulling device for rice processing according to this application; Figure 7 This is a schematic diagram of the side diversion component structure of a rice hulling device for rice processing according to this application; Figure 8 This is a schematic diagram of the reciprocating drive component structure of a rice hulling device for rice processing according to this application; Figure 9 This is a schematic diagram showing the connection state between the rack and guide rail of a rice hulling device for rice processing according to this application; Figure 10 This is a schematic diagram showing the connection state of the rack and transmission gear in a rice hulling device for rice processing according to this application; Figure 11 This is a schematic diagram of the flow channel adjustment component structure of a rice hulling device for rice processing according to this application.

[0018] As shown in the figure: 1. Casing; 11. Negative pressure fan; 12. Collection hopper; 2. Deshelling assembly; 21. First driving component; 22. Rubber roller; 23. Gear set; 3. Feed hopper; 31. Guide hopper; 32. Guide plate; 4. Feeding assembly; 41. Feeding spiral blades; 42. Rotating rod; 43. Feeding hopper; 44. Movable pressure plate; 45. Second drive component; 46. Angle sensor; 5. Side splitter assembly; 51. Transmission gear; 52. Splitter plate; 53. Shaft; 54. Guide vane; 6. Reciprocating drive assembly; 61. Guide rail; 62. Rack; 63. Connecting rod; 64. Drive rod; 65. Spline sleeve; 66. Rocker arm; 67. Crank; 68. Third drive component; 7. Flow channel adjustment assembly; 71. Sliding seat; 72. Guide sleeve; 73. Support plate; 74. Fourth driving component; 8. Fixed shaft. Detailed Implementation

[0019] The embodiments of this application are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this application, and should not be construed as limiting this application.

[0020] The following description, in conjunction with the accompanying drawings, describes a rice hulling device for rice processing according to an embodiment of this application.

[0021] The present application provides a rice hulling device for rice processing, which can be applied to large-scale rice processing production lines and can adapt to the hulling processing needs of different varieties and batches of rice.

[0022] like Figures 1-11 As shown in the figure, an embodiment of this application provides a rice hulling device for rice processing, including a housing 1, a hulling component 2 disposed within the housing 1, a feeding hopper 3 disposed on the top of the housing 1, and a uniform feeding mechanism. The housing 1 is mounted on a frame, and the feeding hopper 3 is fixedly installed on the top of the housing 1, allowing the operator to directly pour the rice to be processed. The uniform feeding mechanism is disposed within the feeding hopper 3, and the feeding end of the uniform feeding mechanism corresponds to the position of the hulling component 2. It is used to distribute the rice in the feeding hopper 3 evenly into the feeding gap of the hulling component 2, preventing the rice from accumulating in the middle of the hulling component 2, which would result in uneven distribution of material, such as excessively thick local material layers and insufficient feeding on both sides, thereby improving the hulling quality.

[0023] Specifically, the shelling assembly 2 includes a first drive component 21, two rubber rollers 22, and a gear set 23. The two rubber rollers 22 are rotatably mounted inside the housing 1, and the roller shafts of the two rubber rollers 22 are connected through the gear set 23. The first drive component 21 is a variable frequency motor, which is mounted on the housing 1. The drive end of the first drive component 21 is connected to one of the rubber rollers 22 through a coupling. The gear set 23 consists of two meshing gears, which are fixed to the ends of the corresponding roller shafts of the two rubber rollers 22, and the parameters of the two gears are different, which allows the two rubber rollers 22 to rotate at different speeds.

[0024] Then, when the first driving component 21 is started, the gear set 23 drives the two rubber rollers 22 to rotate in opposite directions at preset different speeds. When the hulled rice falls into the gap between the two rubber rollers 22, it is squeezed and rubbed by the different linear speeds of the two rubber rollers 22, and the outer husk is crushed and peeled off, thus completing the rice hulling operation.

[0025] In addition, a discharge port is provided on one side of the bottom of the casing 1. The discharge port is inclined so that the brown rice after dehulling can slide down along the inclined discharge port and be discharged directly outside the casing 1. A collection hopper 12 is provided on the other side of the bottom. A negative pressure fan 11 is provided on the collection hopper 12 and a filter screen is provided inside the collection hopper 12. The rice husks produced during the dehulling process are relatively light and will be drawn into the collection hopper 12 by the negative pressure airflow generated by the negative pressure fan 11. The airflow passes through the filter screen and is discharged, while the rice husks are blocked and retained inside the collection hopper 12 to complete the collection, thereby realizing the automatic separation of brown rice and rice husks.

[0026] The feeding mechanism includes a feeding component 4, two sets of side diversion components 5, a reciprocating drive component 6, two sets of flow channel adjustment components 7, and a fixed shaft 8 fixed in the feeding hopper 3. The two sets of side diversion components 5 are pivotally connected to the fixed shaft 8, and the two sets of side diversion components 5 are arranged in an inverted V shape in the feeding hopper 3. The two side diversion components 5 and the feeding hopper 3 enclose two material dropping channels. The drive end of the reciprocating drive component 6 is connected to the two sets of side diversion components 5, and is used to drive the shaft 53 and guide plate 54 in the two sets of side diversion components 5 to swing back and forth, accelerate the diversion of rice and convey it along the diversion plate 52 to the material dropping channels on both sides, avoid rice accumulation on the surface of the diversion plate 52, and ensure the continuity of the feeding operation.

[0027] Two sets of flow channel adjustment components 7 are symmetrically arranged and slidably connected to the feeding hopper 3. The adjustment ends of the two sets of flow channel adjustment components 7 are respectively connected to the reciprocating drive component 6. The two sets of flow channel adjustment components 7 drive the two sets of side diversion components 5 to rotate synchronously around the fixed shaft 8 through the reciprocating drive component 6, so as to adjust the discharge width of the two discharge channels. The uniform material component 4 is set between the feeding hopper 3 and the dehulling component 2, and is used to evenly distribute the rice in the feeding hopper 3 into the feeding gap of the dehulling component 2. The two sets of flow channel adjustment components 7 drive the reciprocating drive component 6 to move up or down. The reciprocating drive component 6 can drive the side diversion components 5 to rotate synchronously around the fixed shaft 8, thereby adjusting the tilt angle of the diversion plate 52, and thus changing the discharge width of the two discharge channels. The feeding amount can be flexibly adjusted according to the grain size and total amount of rice in the batch to adapt to different processing needs.

[0028] In one embodiment of this application, such as Figure 3 , Figure 4 As shown, the material leveling assembly 4 includes a rotating rod 42, a material leveling hopper 43, a movable pressure plate 44, a second driving component 45, and an angle sensor 46 mounted on the material leveling hopper 43. The rotating rod 42 is rotatably mounted inside the material leveling hopper 43 via bearings. Four material leveling spiral blades 41 are fixedly mounted on the outer wall of the rotating rod 42. The spiral directions of the four material leveling spiral blades 41 are opposite to each other, and the four material leveling spiral blades 41 are arranged equidistantly and alternately along the axial direction of the rotating rod 42. The material leveling hopper 43 is fixedly installed inside the housing 1 by bolts and is located directly below the two guide hoppers 31, so that all the rice after being diverted by the guide hoppers 31 falls into the material leveling hopper 43.

[0029] The second driving component 45 uses a variable frequency motor and is fixedly installed on the outer wall of the equalizing hopper 43 by bolts. The driving end of the second driving component 45 is connected to one end of the rotating rod 42 through a coupling. The movable pressure plate 44 is rotatably set at the discharge port of the equalizing hopper 43 through a pin shaft. The rotating shaft end of the movable pressure plate 44 is connected to the detection end of the angle sensor 46. The angle sensor 46 can collect the rotation angle signal of the movable pressure plate 44 in real time to determine the discharge amount inside the equalizing hopper 43 (the discharge port of the equalizing hopper 43 is set at an inclination. When the discharge amount increases, the rice will push the movable pressure plate 44 to rotate. The angle sensor 46 can detect the change in rotation angle and adjust the discharge width of the dropping channel accordingly).

[0030] It should be further explained that each guide hopper 31 is aligned with the adjacent ends of two equalizing spiral blades 41. Thus, when the rice enters the equalizing hopper 43, the two sets of equalizing spiral blades 41 with opposite spiral directions will gradually transport the rice to both sides of the equalizing hopper 43 when the rotating rod 42 rotates. The rice is evenly spread along the axial direction and discharged from the outlet, so that the rice falling into the feeding gap of the lower hulling component 2 is evenly distributed, which solves the problem of concentrated feeding and uneven distribution in the middle of the traditional equipment.

[0031] In one embodiment of this application, such as Figure 6 , Figure 7 As shown, each side diversion assembly 5 includes a diversion plate 52 and multiple shafts 53. The top of the diversion plate 52 is pivotally connected to the fixed shaft 8. The multiple shafts 53 are equidistantly mounted on the diversion plate 52 via bearing seats. The shafts 53 are columnar. The diversion plate 52 has mounting grooves that match its outer contour. The outer wall of the shaft 53 fits into the mounting groove on the diversion plate 52. The outer wall of the multiple shafts 53 is provided with guide vanes 54. A transmission gear 51 is fixedly mounted on one end of the shaft 53. When the reciprocating drive assembly 6 drives the shaft 53 to reciprocate, the guide vanes 54 can swing with the shaft 53 to continuously move the rice on the surface of the diversion plate 52, preventing the rice from getting stuck and accumulating on the surface of the diversion plate 52.

[0032] In one embodiment of this application, such as Figures 8-10 As shown, the reciprocating drive assembly 6 includes a guide rail 61, a rack 62, multiple connecting rods 63, a drive rod 64, a rocker arm 66, a crank 67, and a third drive component 68, wherein... The rack 62 is slidably mounted on the guide rail 61, which is fixedly mounted on the splitter plate 52. The guide rail 61 can limit the sliding direction of the rack 62. One end of each of the multiple connecting rods 63 is rotatably mounted on the drive rod 64 via bearings. Two symmetrically distributed spline sleeves 65 are provided on the outer wall of the drive rod 64. The third drive component 68 is a variable frequency motor and is fixedly mounted on the outside of the housing 1. The drive end of the third drive component 68 is fixedly connected to the crank 67. The two ends of the rocker arm 66 are pivotally connected to the crank 67 and the drive rod 64, respectively. The ends of the multiple connecting rods 63 away from the drive rod 64 are pivotally connected to the corresponding racks 62. The racks 62 mesh with multiple transmission gears 51 on the same splitter plate 52.

[0033] Furthermore, when the third drive unit 68 is activated, it can drive the crank 67 to rotate continuously. The crank 67 drives the drive rod 64 to perform reciprocating linear motion through the rocker arm 66. In turn, it drives the corresponding rack 62 to slide reciprocally along the guide rail 61 through multiple connecting rods 63. The rack 62 drives multiple transmission gears 51 that mesh with it to rotate reciprocally, thereby driving the shaft 53 and the guide vane 54 to swing reciprocally, realizing active material feeding operation.

[0034] During the reciprocating drive process described above, since the connecting rod 63 is connected to the rack 62 by a pivoting connection, the reciprocating movement will not affect the movement of the rack 62 when the angle of the splitter plate 52 is adjusted, thus ensuring that the material feeding operation continues to be stable.

[0035] In one embodiment of this application, such as Figure 11As shown, each flow channel adjustment assembly 7 includes a sliding seat 71, a support plate 73, and a fourth driving member 74. The fourth driving member 74 is an electric telescopic rod, and its base part is installed on the feeding hopper 3. The driving end of the fourth driving member 74 is fixedly connected to the support plate 73. A guide sleeve 72 is fixedly installed inside the sliding seat 71, and the sliding seat 71 is fixedly connected to the support plate 73.

[0036] The feed hopper 3 has a guide groove, the sliding seat 71 is slidably disposed in the guide groove inside the feed hopper 3, the driving end of the fourth driving member 74 is connected to the support plate 73, the spline sleeve 65 is slidably disposed in the guide sleeve 72, and the third driving member 68 is mounted on the support plate 73.

[0037] Understandably, when the fourth driving component 74 is activated, it can push the support plate 73 and the sliding seat 71 to slide along the guide groove. The sliding seat 71 drives the guide sleeve 72 to move. The guide sleeve 72 drives the driving rod 64 to rise and fall synchronously through the spline sleeve 65. The driving rod 64 then drives the two side diversion plates 52 to rotate around the fixed shaft 8 through the connecting rod 63, thereby synchronously adjusting the size of the discharge opening of the two material discharge channels.

[0038] During this process, the spline sleeve 65 can slide axially within the guide sleeve 72, which can transmit the lifting action of the sliding seat 71 to the drive rod 64 and also adapt to the reciprocating linear motion of the drive rod 64 itself, without interfering with the material feeding operation. This allows for the simultaneous adjustment of the feeding amount and continuous material feeding. Moreover, when the diverter plate 52 swings, the meshing of the rack 62, guide rail 61, and transmission gear 51 remains effective, thus ensuring the flexibility and continuity of the equipment operation.

[0039] In one embodiment of this application, such as Figure 5 As shown, a guide plate 32 is detachably installed inside the feeding hopper 3. The guide plate 32 is inverted V-shaped and covers the outside of the fixed shaft 8. The guide plate 32 can prevent rice from accumulating at the pivot connection between the fixed shaft 8 and the diversion plate 52, thus preventing rice from getting stuck here and affecting the rotation adjustment of the diversion plate 52.

[0040] In addition, such as Figure 3 As shown, the bottom of the feeding hopper 3 is provided with two guide hoppers 31, the positions of the two guide hoppers 31 correspond to the positions of the two material discharge channels, which are used to stably transport the diverted rice into the uniform hopper 43 below, and prevent the rice from scattering and deviating from the predetermined path during the transportation process.

[0041] In this application, it should be further explained that a PLC controller (not shown in the figure) is installed on the casing 1. The first drive component 21, the second drive component 45, the third drive component 68, the fourth drive component 74, the angle sensor 46, and the negative pressure fan 11 are all electrically connected to the PLC controller. The angle sensor 46 can transmit the detected rotation angle signal of the movable pressure plate 44 to the PLC controller in real time. The PLC controller can automatically adjust the extension and retraction of the fourth drive component 74 according to the preset control logic, thereby automatically adjusting the discharge width of the material feeding channel to match the current discharge load and realize automated uniform feeding. The PLC controller performs filtering to eliminate signal jitter caused by the instantaneous impact of rice and avoid frequent adjustments of the fourth drive component 74. The control logic of the PLC controller is a conventional technical means for those skilled in the art. This application does not impose additional limitations on its specific control logic. When using it, the operator only needs to preset the corresponding parameters according to the variety of rice being processed.

[0042] Specifically, during the hulling process, the rice is poured into the feeding hopper 3 and then diverted by the diversion plate 52, causing the rice to fall along two discharge channels. The reciprocating drive assembly 6 drives the guide vanes 54 in the side diversion assembly 5 to continuously oscillate back and forth, preventing the rice from getting stuck and accumulating on the surface of the diversion plate 52, ensuring continuous and stable feeding. The two streams of material pass through the guide hopper 31 and are introduced into the equalization hopper 43 of the lower equalization assembly 4. The rotating rod 42 drives the four sets of equalization spiral blades 41 to rotate, gradually conveying the rice to the center and sides of the equalization hopper 43, so that the rice is evenly spread along the axial direction and discharged from the outlet, falling between the two rubber rollers 22 of the lower hulling assembly 2. The two rubber rollers 22 rotate in opposite directions at a differential speed under the transmission of the first drive component 21 and the gear set 23, applying a squeezing and rubbing action to the rice falling into the gap, crushing and peeling off the outer husk of the rice, thus completing the hulling operation.

[0043] After the hulling is completed, the brown rice is discharged from the machine casing 1 through the inclined discharge port at the bottom of the casing 1, while the lighter rice husks are sucked into the collection hopper 12 by the negative pressure fan 11 to complete the collection, thus realizing the automatic separation of brown rice and rice husks.

[0044] During the feeding process of rice, when the discharge volume of the equalizing hopper 43 increases, the rice pushes the movable pressure plate 44 at the discharge port of the equalizing hopper 43 to rotate at a larger angle. The angle sensor 46 transmits the angle change signal to the PLC controller. The PLC controller controls the fourth driving component 74 to extend, pushing the sliding seat 71 and the driving rod 64 to move upward, thereby driving the two side diversion plates 52 to rotate synchronously around the fixed shaft 8, reducing the discharge opening width of the discharge channel and avoiding excessive feeding volume that exceeds the processing capacity of the dehulling component 2. Conversely, the discharge width of the discharge channel is increased to achieve adaptive equalization.

[0045] In summary, the rice hulling equipment for rice processing according to the embodiments of this application, by setting up a uniform feeding mechanism, uses symmetrically arranged side diversion components to pre-divide the rice in the feeding hopper into two streams, and then cooperates with the uniform feeding component with opposite spiral blades to spread the rice evenly along the axial direction, so that the rice is evenly distributed in the entire feeding gap of the hulling component. This solves the problems of uneven material distribution in traditional rice hulling equipment, which easily leads to excessively thick local material layers and insufficient feeding on both sides. It can improve the overall quality of hulling processing. At the same time, the uniform material distribution makes the roller surfaces of the two rubber rollers more evenly stressed, extending the service life of the rubber rollers.

[0046] In the description of this specification, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0047] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0048] Although embodiments of this application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting this application. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of this application.

Claims

1. A rice hulling device for rice processing, characterized in that, It includes a casing, a shelling assembly installed inside the casing, a feeding hopper installed on top of the casing, and a material feeding mechanism, wherein, The material feeding mechanism includes a material feeding component, two sets of side diversion components, a reciprocating drive component, two sets of flow channel adjustment components, and a fixed shaft fixed inside the feeding hopper. The two sets of side diversion components are pivotally connected to the fixed shaft, and the two sets of side diversion components are arranged in an inverted V shape in the feeding hopper, wherein the two side diversion components and the feeding hopper enclose two material discharge channels; The drive end of the reciprocating drive component is connected to the two sets of side shunt components respectively; The two sets of flow channel adjustment components are symmetrically arranged and slidably connected to the feeding hopper. The adjustment ends of the two sets of flow channel adjustment components are respectively connected to the reciprocating drive component. The two sets of flow channel adjustment components drive the two sets of side diversion components to rotate synchronously around the fixed axis through the reciprocating drive component, so as to adjust the discharge width of the two discharge channels. The uniform feeding component is disposed between the feeding hopper and the dehulling component, and is used to evenly distribute the rice in the feeding hopper into the feeding gap of the dehulling component.

2. The paddy hulling equipment for rice processing according to claim 1, characterized in that, The material leveling assembly includes a rotating rod, a material leveling hopper, a movable pressure plate, a second driving component, and an angle sensor mounted on the material leveling hopper. The rotating rod is rotatably disposed inside the material equalization hopper, and the outer wall of the rotating rod is provided with four material equalization spiral blades; The four material leveling spiral blades have opposite spiral directions and are arranged equidistantly and alternately along the axial direction of the rotating rod. The material equalization hopper is disposed inside the machine casing; The second driving member is disposed on the material equalization hopper, and the driving end of the second driving member is connected to one end of the rotating rod; The movable pressure plate is rotatably positioned at the discharge port of the equalizing hopper, and the rotating shaft end of the movable pressure plate is connected to the detection end of the angle sensor.

3. The rice hulling equipment for rice processing according to claim 2, characterized in that, Each of the side splitter assemblies includes a splitter plate and multiple shafts, wherein... The top of the diverter plate is pivotally connected to the fixed shaft; Multiple shafts are equidistantly rotatably disposed on the flow divider plate, and the outer wall of each shaft is in contact with the flow divider plate; The outer walls of the plurality of shafts are respectively provided with guide vanes, and one end of each shaft is provided with a transmission gear.

4. The rice hulling equipment for rice processing according to claim 3, characterized in that, The reciprocating drive assembly includes a guide rail, a rack, multiple connecting rods, a drive rod, a rocker arm, a crank, and a third drive component, wherein... The rack is slidably mounted on the guide rail; One end of each of the multiple connecting rods is rotatably mounted on the drive rod; Two symmetrically distributed spline sleeves are provided on the outer wall of the drive rod; The third driving component has a crank at its driving end; The two ends of the rocker arm are pivotally connected to the crank and the drive rod, respectively.

5. A rice hulling device for rice processing according to claim 4, characterized in that, The guide rail is mounted on the flow divider plate; The ends of the multiple connecting rods away from the drive rod are respectively pivotally connected to the corresponding racks; The rack is meshed with multiple transmission gears on the same splitter plate.

6. A rice hulling device for rice processing according to claim 4, characterized in that, Each set of flow channel adjustment components includes a sliding seat, a support plate, and a fourth driving component, wherein... The fourth driving component is disposed on the feeding hopper, and the driving end of the fourth driving component is connected to the support plate; The sliding seat is provided with a guide sleeve, and the sliding seat is fixedly connected to the support plate. The sliding seat is slidably disposed in the feeding hopper. The driving end of the fourth driving component is connected to the support plate; The spline sleeve is slidably disposed within the guide sleeve; The third driving component is mounted on the support plate.

7. A rice hulling device for rice processing according to claim 6, characterized in that, The feeding hopper is equipped with a guide plate, which is inverted V-shaped and covers the outside of the fixed shaft; The bottom of the feeding hopper is provided with two guide hoppers, the positions of which correspond to the positions of the two material discharge channels, for conveying rice into the equalizing hopper.

8. A rice hulling device for rice processing according to claim 1, characterized in that, The shelling assembly includes a first drive component, two rubber rollers, and a gear set, wherein... The two rubber rollers are respectively rotatably disposed inside the machine housing, and the roller shafts of the two rubber rollers are connected by the gear set; The first driving member is disposed on the housing, and the driving end of the first driving member is connected to one of the rubber rollers.

9. A rice hulling device for rice processing according to claim 8, characterized in that, A discharge port is provided on one side of the bottom of the casing, and a collection hopper is provided on the other side of the bottom. A negative pressure fan is provided on the collection hopper to draw the rice husks produced after dehulling into the collection hopper for collection.

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