495results about "Grain hulling" patented technology

The utility model discloses a production device of germinated brown rice nutrition powder, which belongs to the technical field of germinated brown rice preparation and comprises a main body, a water tank is arranged at the bottom of the main body, a plurality of supporting plates are rotatably arranged in the main body, and an atomizing nozzle is arranged on the inner side wall of the main body; an interlayer is arranged on the outer side wall of the main body and is connected with a cold and hot water cylinder through a circulating pipeline; a circulating fan and an exhaust outlet are arranged at the top of the main body, a bottom pipeline of the water tank is connected with a six-way pipe, and the other end of the circulating fan is connected with an atomizing nozzle through the six-way pipe; the six-way pipe is respectively connected with the flash generator, the heating box and the rice huller, the other end of the heating box is connected with the high-efficiency filter and the purification fan, the other end of the rice huller is respectively connected with the bran-rice separator and the rice mill, and the bran-rice separator and the rice mill are connected together. The production device for the germinated brown rice nutrition powder is integrated in processing, simple and short in process, easy to operate, preset in parameters, stable in operation and capable of ensuring the product quality.

The utility model discloses a rice huller, particularly discloses an experimental rice huller, and belongs to the technical field of design and manufacture of grain and oil detection equipment. According to the experimental rice huller, the grinding and extruding roller gap can be accurately adjusted. The experimental rice huller comprises a machine frame, a fixed rubber roller, a movable rubber roller and a rice hulling driving system, the fixed rubber roller and the movable rubber roller which are arranged on the machine frame in a mutually-adaptive mode are driven by the rice hulling driving system to rotate, and the experimental rice huller further comprises a grinding gap automatic quantitative adjusting system. And a grinding gap between the fixed rubber roller and the movable rubber roller is adjusted by driving the movable rubber roller to move by a specified distance in a corresponding direction through an automatic quantitative grinding gap adjusting system.

The invention discloses a full-automatic control method and system of a rice mill based on multi-modal data fusion, and relates to the technical field of grain processing. Comprising the following steps: information acquisition: acquiring previous working information and real-time multi-modal data, wherein the real-time multi-modal data comprises a real-time processing result and real-time state information of the rice mill; through the set control determination method, the control information for processing the to-be-processed raw materials can be formulated through the reference information, the control determination method is suitable for the to-be-processed raw materials with different grain varieties and water contents, the self-adaptive capacity is high, and the raw material analysis method is matched with the control determination method, so that the processing efficiency is improved. The method can cope with scenes such as different grain varieties and water contents, improves the adaptive capacity of coping with different scenes, reduces the situation that the control strategy is difficult to quickly adjust the pressure of the grinding cavity, the feeding rate and the discharging ratio when the varieties and the water are changed, and reduces the situation that the rice quality is easy to reduce, the size fraction distribution is deviated, and the energy consumption is easy to increase.

The invention discloses a rice milling strength and environment regulation and control system based on multiple sensors, which belongs to the technical field of intelligent control of grain processing machinery, and comprises a data acquisition unit, a data processing unit, a data processing unit and a control unit, wherein the data acquisition unit is used for acquiring state data of milled rice through different types of sensors; the rice milling strength analysis unit is used for generating theoretical rice milling strength, the strength adjustment unit is used for adjusting the rice milling strength of the rice milling machine, and the rice milling strength analysis unit is used for obtaining state data of discharged rice and state data of a whitening chamber and generating theoretical rice milling strength according to the state data of the discharged rice and the state data of the whitening chamber. The temperature prediction unit is used for generating a whitening chamber temperature prediction value, the environment adjustment analysis unit is used for generating a whitening chamber heat dissipation power adjustment value according to the whitening chamber temperature prediction value, and the environment adjustment unit is used for adjusting the whitening chamber environment. According to the invention, the problems of adjustment depending on experience and temperature lag control in the prior art are solved, the rice milling precision is improved, and the broken rice rate is reduced, so that a stable processing environment is maintained.

The invention relates to the field of milled rice with embryo processing, in particular to a milled rice with embryo nutrition retention type crushing device. According to an existing crushing mode, crushing is conducted through high-speed grinding or mechanical rolling or blade cutting or other modes, so that nutritional ingredients in germs are prone to loss, the grading precision after crushing is insufficient, the particle size after crushing is uneven, and the quality of crushed milled rice with germs is poor. A germ rice nutrition retaining type crushing device comprises a mounting frame, a crushing disc is fixedly connected to the top of the mounting frame, and an air inlet pipe is arranged on the crushing disc. By reducing the temperature of the milled rice with embryos, the oxidation and decomposition rate of heat-sensitive nutrients in the embryos is reduced by utilizing a low-temperature environment, so that the milled rice with embryos is convenient to crush and the loss of cell sap is reduced; germ rice is driven by air flow to collide at a high speed in the cavity and is crushed into fine particles under the action of the upper lining plate, the inner lining and the lower lining, and nutritional films on the outer layers of germs are not prone to damage in a crushing mode without mechanical rolling, so that nutritional ingredients in the germs are efficiently reserved.

The application discloses a vertical rice mill, when the screening assembly needs to be disassembled and cleaned, first, the maintenance door is disassembled, the rotation of the rotating seat ring is released from the rotation limiting of the limiting assembly, at this time, because the end surface of the connecting pipeline connected with the rice mill box is an arc surface and the center line is coincident with the rotation axis of the hollow roller, the screen assembly can rotate with the rotating seat ring, in the rotating process, the connecting piece between the left bracket and the right bracket is first disassembled, when the right bracket rotates to the position corresponding to the maintenance door, the right bracket is disassembled, thereby the combination of the right bracket and the plurality of right screen meshes is taken out from the maintenance door, when the left bracket rotates to the position corresponding to the maintenance door, the left bracket is disassembled, thereby the combination of the left bracket and the plurality of left screen meshes is taken out from the maintenance door, finally, the screen assembly is conveniently disassembled and installed, so that the screen assembly is conveniently disassembled and cleaned.

The utility model provides a rice huller capable of being used for hulling small grains. The rice huller comprises a driving assembly for rolling, a previous rolling assembly and a later rolling assembly. The pre-grinding assembly is arranged on the rice hulling area, is matched with the driving assembly for grinding and is used for grinding the grains from the feeding area so as to realize primary grinding; the rear rolling assembly is arranged on the rice hulling area, is matched with the driving assembly for rolling and is used for rolling grains which are rolled for the first time and come out of an area at the relative lower part between a previous first rotary rolling piece and a previous second rotary rolling piece, so that secondary rolling is realized; the preceding rolling assembly comprises a preceding first rotary type rolling piece and a preceding second rotary type rolling piece which rotate at different linear speeds in the working process and are opposite in direction; the rear rolling assembly comprises a rear first rotary rolling piece and a rear second rotary rolling piece which are different in rotating linear speed and opposite in direction. The hulling rate of small-size grains can be increased.

The utility model discloses a refined rice milling mechanism which comprises a main shaft, the two ends of the main shaft are sleeved with a feeding bearing seat and a discharging bearing seat respectively, a rice sieve assembly and a sieve frame assembly are arranged at the positions, located between the feeding bearing seat and the discharging bearing seat, of the outer side of the main shaft respectively, and the rice sieve assembly is arranged on the inner side of the sieve frame assembly. A bran discharging chamber is formed between the rice sieve assembly and the sieve frame assembly, a roller assembly and a propeller assembly are arranged at the position, between the feeding bearing seat and the discharging bearing seat, of the main shaft in a sleeving mode, the roller assembly comprises at least two rollers, the propeller assembly comprises at least two propellers, and a rice milling chamber is formed between the rice sieve assembly and the roller assembly. The feeding bearing seat and the discharging bearing seat are provided with a feeding port and a discharging port which are communicated with the interior of the rice milling chamber respectively. According to the utility model, at least one conveyor is additionally arranged on the basis of a traditional rice milling mechanism, so that the polishing, whitening and shelling effects of brown rice can be ensured.

The invention relates to a rice mill control method and device and rice mill equipment. The rice mill control method comprises the steps that a to-be-milled object is milled according to a first rotating speed; wherein the to-be-milled object comprises cereals and / or brown rice, and the first rotating speed is the rotating speed corresponding to the cereals milled by the rice milling machine equipment; periodically acquiring target image data of the to-be-milled object through a visual sensor arranged on a circular processing channel of the rice mill equipment; determining the real-time type of the object to be ground according to the target image data and the reference image data; and according to the real-time type, the rotating speed of a motor of a grinding assembly of the rice mill equipment is dynamically adjusted until the to-be-ground object is ground into polished rice. According to the technical scheme, visual detection is combined with rotating speed self-adaptive switching, the rotating speed can be automatically switched according to the type of the to-be-milled object, it is ensured that grain husking and brown rice grinding are both in the optimal rotating speed state, and the rice milling effect and the processing quality are improved.

The invention discloses a monitoring control device for low-sugar preboiled rice processing and a using method thereof, the device comprises a conveying assembly, the conveying assembly comprises a conveying belt, side plates arranged on the two sides of the conveying belt and a motor arranged on one side of the bottom of each side plate, and a plurality of separation strips are arranged on the outer surface of the conveying belt at equal intervals. Linkage among the conveying assembly, the rice milling assembly and the paving assembly is achieved, in the process that the motor drives the conveying belt to operate, two movable rods and a paving plate of the paving assembly are synchronously driven to do reciprocating motion, and the two movable rods and the paving plate are matched with a separation strip on the conveying belt; grain rice on the conveying belt is flattened to be evenly laid in the area between the adjacent dividing strips, accumulation is avoided, the granularity analyzer can conduct granularity identification conveniently, and the area with the unqualified broken rice rate can be rapidly screened out.

The application discloses a kind of intelligent control methods for the directional extraction of rice nutrition enrichment, by over-grinding rate, embryo retention rate, skin retention rate and other parameters, the pressure adjustment amount of each rice milling process is set, the first rice milling process and the second rice milling process coordinate, can remove brown rice skin and retain rice embryo, cooperate with the third rice milling process and the fourth rice milling process, can reduce over-grinding and mill rice embryo, the method of the application can guarantee the purity of rice embryo and the stability of product quality, realizes the reliable separation of rice embryo and rice.

The present disclosure provides novel apparatuses, systems, and methods for purifying dry embryo explants from a preparation of dry plant embryo explants for use in methods of genetic modification. The methods provided by the present disclosure may include one or more steps of sanitizing, drying, milling, coarse width sizing, length sizing aspiration, width and thickness separation, aspiration-classification, or separation using a friction table. The present disclosure further provides a population of purified embryo explants produced using the disclosed apparatuses, systems, and methods.

The invention relates to the technical field of milled rice with embryo processing, in particular to milled rice with embryo processing equipment with combined blades and an abrasive belt, which comprises an equipment body and a processing chamber arranged on the front surface of the equipment body, and further comprises a conveying mechanism arranged in the processing chamber and used for conveying brown rice to be processed; concave reinforcing pieces are welded on the periphery of the outer side of the rectangular processing port on the upper surface of the equipment body; and the blade processing mechanism is fixedly arranged in the rectangular processing opening and located over the conveying mechanism, and the blade processing mechanism is used for grinding off peripheral rice skins of the brown rice conveyed on the conveying mechanism. According to the invention, germ rice is processed by adopting a combined blade and abrasive belt mode, and the blade group is vertically arranged above the conveying abrasive belt, so that when rice grains transversely roll forward in use, the peripheral surfaces of the rice grains are in contact with the first blade and the second blade to softly grind rice skins, and the two ends of the rice grains are protected, thereby ensuring that germs are completely reserved.

The utility model relates to the technical field of rice production, in particular to an efficient rice polishing machine, and aims to solve the technical problems that rice bran powder is easy to adhere to the surface of a polishing roller, needs to be cleaned at set intervals and is not easy to collect. The upper portion of the polishing barrel is tangentially communicated with a plurality of air inlet pipes, the air inlet pipes are obliquely arranged towards the discharging end of the polishing barrel from top to bottom, each air inlet pipe is communicated with a fan, the inner wall of the polishing barrel is connected with grinding materials, and an impurity discharging opening is formed in the portion, on the lower portion of the polishing barrel, of the side wall of the polishing shell. Under the action of inclined air outlet of the multiple tangential air inlet pipes of the polishing barrel, rice spirally moves towards the discharging end in the polishing barrel and makes full contact with grinding materials in the moving process to be polished, and rice bran powder and rice hulls penetrate through polishing barrel holes to move to the lower portion of the polishing shell and are discharged along with air through the polishing shell.

This invention discloses a rice-husk separation color sorting device and method, comprising a machine body, a support body, a color sorting machine body, and a separator. The color sorting machine body has red rice discharge bins, rice husk discharge bins, and brown rice discharge bins equidistantly installed on it. An operating unit is located below the red rice discharge bin, and a sorting unit is located below the brown rice discharge bin. A power unit is located inside the support body. This rice-husk separation color sorting device and method utilizes rubber rollers to perform rice-husk separation on red rice and paddy. A drive column can drive the rubber rollers to separate the red rice and paddy within the processing tank, eliminating the need to return them to the husk separator for further rice husk separation. Simultaneously, the air intake and filter holes separate the red rice and rice husks. Furthermore, based on the different shapes of indica and japonica rice, the two are separated through a fixed tank, a processing tank, an annular filter, a frame body, and filter holes.

The utility model provides a quick cleaning device for a rubber roller. The quick cleaning device comprises a case, a first transmission assembly is installed on the outer surface of the machine box and connected with a first rubber roller and a first cleaning assembly, a moving hole is formed in the position, located on one side of the first transmission assembly, of the outer surface of the machine box, a dovetail groove is formed in the inner cavity wall of the moving hole, and a moving plate is slidably connected into the dovetail groove. A second transmission assembly is installed on one side of the moving plate and connected with a second rubber roller and a second cleaning assembly. The first transmission assembly comprises a first arc-shaped block, the outer surface of the machine box is fixedly connected with the first arc-shaped block, a first transmission rod is rotationally connected into the first arc-shaped block, and one end of the first transmission rod is fixedly connected with a first belt wheel. According to the rubber roller cleaning device, the surface of the rubber roller can be cleaned through mutual cooperation of the first cleaning assembly, the second cleaning assembly and the dust collection assembly.

The utility model belongs to the technical field of rice processing, and particularly relates to a rice buffing device which comprises a machine body used for buffing rice, the top of the machine body is fixedly communicated with a feeding hopper, the front side of the machine body is fixedly connected with two driving motors, output shafts of the two driving motors are fixedly connected with buffing rollers, and the buffing rollers are fixedly connected with the feeding hopper. A cover body is fixedly connected to one side of the machine body, a filter screen plate is slidably arranged in the machine body in a sleeved mode, and a buffing and polishing mechanism is arranged between the machine body and the cover body. The rice buffing and polishing machine is reasonable in structural design, buffing and polishing effects are better by conducting buffing and polishing on rice twice, buffing and polishing quality of the rice is improved, powder mixed in the rice can be filtered out in time through the filter screen, quality of the buffed and polished rice is further improved, the filter screen can shake left and right in a reciprocating mode, and the rice buffing and polishing efficiency is improved. The rice and powder separation effect and efficiency are greatly improved, and meanwhile the filter screen plate is prevented from being blocked.

The present application provides a grain processing system capable of achieving processing capacity balance and processing quality up to standard for each device, comprising: at least two milling devices and a control device. The control device comprises: at least one flow detection unit for detecting the conveying flow of the milling device located at the upstream position to the conveying device; and a series control device having: a conveying flow acquisition part for acquiring the conveying flow from the flow detection unit in real time; a processing flow acquisition part for acquiring the current processing flow of each milling device for milling the grain; a matching judgment part for judging whether the current processing flow of the milling device matches the conveying flow at the upstream position of the milling device; and a processing adjustment part for controlling the milling device to adjust the current processing flow to match the conveying flow when the matching judgment part judges that the current processing flow does not match the conveying flow.

The present invention discloses a temperature control system for the rubber rollers of an intelligent rubber roller rice huller, comprising a controller, a temperature sensor for detecting the temperature of the rubber rollers and connected to the controller signal, two cold air knives for cooling the circumference of the two rubber rollers, an air inlet pipe for introducing compressed air from a compressor, a solenoid valve, a cooler, a cold air pipe connected to the cold air outlet of the cooler, and two connecting air pipes connected between the cold air pipes and the cold air knives. The operation process of the rubber roller temperature control system is as follows: when the temperature sensor detects the temperature of the rubber roller in real time and transmits the data to the controller, when the temperature of the rubber roller rises to a maximum set value, the controller controls the solenoid valve to automatically open, and compressed air flows along the air inlet pipe, the cooling of the cooler, the cold air pipe, and the connecting air pipe into the cold air knife, spraying the cold air evenly around the circumference of the rubber roller to achieve cooling. When the temperature of the rubber roller drops to a minimum set value, the controller controls the solenoid valve to automatically close.

A grain milling device (100) is provided with a cylindrical case (10) which is formed in a cylindrical shape and in which porous wall sections (11) divided into a plurality are continuously provided, and a grain milling roller (30) which is rotatably disposed within the cylindrical case (10), and a grain milling chamber (15) is formed between the inner peripheral surface of the cylindrical case (10) and the outer peripheral surface of the grain milling roller (30), a grinding part (13) which is in contact with grains is arranged on the inner peripheral surface of the cylindrical shell (10), the grinding part (13) is provided with a plurality of convex parts (1311) which protrude towards the inner peripheral surface of the cylindrical shell (10), and the convex parts (1311) are configured in a manner that protruding parts (1313) can be assembled and disassembled in embedding holes (1312) formed in the grinding part (13).

The invention relates to low-damage endosperm rice and a preparation process thereof. Specifically, the invention provides a brown rice milling method, the method comprises the steps of unhusked rice opening and fine milling, and the method comprises the step of controlling the protein retention rate, the damaged starch content and the protein-to-ash ratio of milled brown rice to be in the following ranges: the protein retention rate is 88.0% or above, the damaged starch content is 0.480% or below, and the ash-to-protein ratio is 0.055 or above.

The utility model discloses a grain hull breaking extruder which comprises a box body, the top end of the box body is fixedly connected with a discharging hopper, the upper end of the inner side wall of the box body is fixedly connected with a bearing frame, the side wall of the bearing frame is provided with a plurality of filtering holes, and the inner side wall of the box body is rotationally connected with two rotating rods in a penetrating mode. Two rotating rods are arranged in the box body, one ends of the two rotating rods extend to the outer end of the box body, extrusion rollers are fixedly connected to the rod walls of the two rotating rods in the box body, transmission gears are fixedly connected to the rod walls of the two rotating rods close to the outer end of the box body, the two transmission gears are in meshed connection, and a motor is fixedly connected to the outer wall of the box body. The output end of the motor is fixedly connected with one rotating rod, a fan is fixedly connected to the position, close to the lower end of the motor, of the outer wall of the box body, the output end of the fan extends into the bearing frame, the other outer wall of the box body is fixedly connected with a waste chip box, and the shell breaking efficiency can be improved through the multiple extrusion channels.

The invention relates to a rice husking machine which comprises a rice husking bin and a drying system. The drying system comprises an air duct structure, a fan and a drying adsorption part. An airflow channel is arranged in the air duct structure and provided with an air inlet end and an air outlet end which are spaced from each other. The fan communicates with the airflow channel and is configured to drive airflow to flow from the air inlet end to the air outlet end. The drying adsorption part is arranged in the airflow channel. The air duct structure has a drying state and a regeneration state which can be switched mutually. In the dry state, the air inlet end and the air outlet end are both communicated with the rice milling bin. In the regeneration state, the air outlet end is communicated with the outside of the rice mill. According to the rice husking machine, under the dry state, the fan can drive the airflow to circulate in the rice husking bin, so that the humidity in the rice husking bin is reduced. In the regeneration state, the fan can drive the airflow to be blown out of the rice milling machine to form external circulation, so that moisture adsorbed by the drying adsorption part is discharged out of the rice milling bin, regeneration of the drying adsorption part is achieved, and frequent replacement by a user is not needed.

The invention discloses the technical field of rice grain grinding production, and discloses a rice huller, main body equipment used for rice hulling and a low-speed roller in the rice huller. The low-speed roller is composed of a plurality of sleeves. The inner walls of the sleeves are fixedly connected with inner gear rings, the sleeves are internally provided with first gears, the first gears are externally connected with sensors, and the sensors are used for detecting the torque of the first gears to the first shafts. An adjusting mechanism, a pressure mechanism and a control mechanism are arranged at each gear; the low-speed roller is composed of the multiple sleeves, the distance between each sleeve and the high-speed roller can be automatically adjusted according to self pressure, then dynamic pressure adjustment is completed, meanwhile, due to the fact that the adjusting processes of the sleeves are mutually independent, the defect that in a traditional scheme, an integrated low-speed roller can only conduct overall pressure adjustment can be effectively overcome, and the overall pressure adjustment efficiency is improved. The pressure adjustment of the low-speed roller on the rice is more refined, so that the hulling rate of the rice is effectively improved, and the broken rice rate of the rice is reduced.

The utility model belongs to the technical field of rice processing, and particularly relates to a polishing machine for rice processing, which comprises a processing box, support legs are mounted at two ends of the processing box, a feed hopper is arranged at the upper end of the processing box, an adjusting component is arranged in the feed hopper, a bearing plate is mounted at one end of the processing box, and the bearing plate is connected with the processing box. Two grinding rollers are rotationally connected into the treatment box, two polishing motors are installed at one end of the treatment box, output shafts of the two polishing motors are connected with the two grinding rollers correspondingly, two sliding grooves are formed in the upper end of the bearing plate, and sliding blocks are slidably connected into the two sliding grooves correspondingly. The upper ends of the two sliding blocks are jointly provided with a material box. Through the limiting assembly, rice bran chippings can be detached and cleaned conveniently, and practicability is improved; and through the arrangement of the adjusting assembly, the feeding amount of the rice can be adjusted, the phenomenon that the rice cannot be fully polished due to excessive feeding at a time is avoided, and the polishing effect is improved.

The utility model provides a rice mill for yellow millet processing, and relates to the technical field of yellow millet processing. The rice husking machine for yellow millet processing comprises a rice husking tank, a feeding box is arranged at the top of the rice husking tank, a sealed collecting box is installed on one side of the feeding box, a plurality of sets of material turning rotating shafts are movably connected to the interior of the feeding box and linearly distributed in the feeding box, two sets of material turning plates are fixedly connected to the outer sides of the material turning rotating shafts, and the two sets of material turning plates are fixedly connected to the outer sides of the material turning rotating shafts. The two groups of turning plates are symmetrically distributed on the outer side of the turning rotating shaft; a turning motor is mounted on one side of the feeding box, a driving rotating wheel is fixedly connected to one end of a turning rotating shaft, and a driving belt is arranged on the outer side of the driving rotating wheel; an air extracting pump is installed on one side of the sealed collecting box, an impurity extracting pipe is connected to the other side of the sealed collecting box in a penetrating mode, an impurity inlet hopper is arranged on one side of the feeding box, and a sealed drawer is connected to one side of the sealed collecting box in a sealed and inserted mode. The problem that raw materials are affected by doping of impurities and dust is effectively solved.

The invention provides a rhizoma polygonati seed continuous peeling machine, which relates to the technical field of agriculture and comprises a water tank, a grid horizontally arranged in the middle of the water tank and a plurality of rubbing mechanisms positioned in the water tank above the grid, the rubbing mechanism comprises two fixed belt wheels, two movable belt wheels and a rubbing belt pulled between the two fixed belt wheels and the two movable belt wheels, the fixed belt wheels are rotationally connected to the side wall of the water tank, the movable belt wheels are rotationally connected to an installation block, the rubbing device further comprises a transverse guide groove formed in the side wall of the water tank, a sliding block is slidably connected into the guide groove, and the sliding block is connected with the transverse guide groove. A first guide rod is longitudinally connected to the sliding blocks in a sliding mode, the lower end of the first guide rod is fixed to a middle block, two second guide rods located on the same straight line are fixedly arranged on the middle block, the two second guide rods are connected to the two sliding blocks in a sliding mode respectively, and first pre-tightening springs arranged on the first guide rod in a sleeving mode are arranged between the sliding blocks and the middle block. A second pre-tightening spring arranged on the second guide rod in a sleeving mode is arranged between the mounting block and the middle block. The method has the advantages of high efficiency and the like.

The efficient rice huller comprises a rice huller body, the rice huller body comprises a feeding bin, a grinding bin and a base which are sequentially fixed from top to bottom, a discharging bin is fixedly connected to an outlet of the grinding bin, a slag discharging pipe is fixedly connected to the top of the discharging bin, and a discharging opening is formed in the bottom of the discharging bin; the first direction of the grinding bin is perpendicular to the front end face of the rice huller body. A stop block is fixedly connected to the top face of the grinding bin, a guide groove is formed in the bottom of the stop block, a scraping plate is slidably connected into the guide groove, the bottom face of the scraping plate abuts against the periphery of the movable wheel, a spring is fixedly connected into the guide groove, and the spring is fixedly connected between the top face of the scraping plate and the top face of the guide groove. And an outlet of the feeding bin communicates with the grinding bin through a guide pipe.

The invention relates to the technical field of grain conveying, in particular to a breakage-proof grain feeding device based on pneumatic conveying and a rice husking machine. The breakage-proof grain feeding device comprises a support, a conveying pipe and a settling chamber, and the conveying pipe and the settling chamber are fixed to the support and communicate with each other; the air conveying assembly is arranged on the support and used for conveying the grains in the conveying pipe into the settling chamber; the convection separation assembly is arranged on the settling chamber, and the convection separation assembly can provide opposite airflow so as to separate the grains entering the settling chamber; the gravity discharging mechanism is arranged in the settling chamber, partition plates which are symmetrically arranged are connected to the gravity discharging mechanism, and when the air conveying assembly conveys grains in the conveying pipe to the settling chamber, the convection separation assembly can provide opposite air force, so that the impact force of the grains is counteracted, and the grains cannot directly impact the inner wall of the settling chamber; and the integrity of the grains is ensured.

The utility model relates to rice peeling equipment based on airflow assistance, which comprises a box body, a feeding hopper is arranged at the top of the box body, a peeling assembly is arranged below the feeding hopper, a material distributing assembly capable of intermittently discharging materials is arranged between the feeding hopper and the peeling assembly, and a separating area for separating rice from grain peels is arranged on the box body below the peeling assembly. The separating area is provided with a scattering assembly used for scattering a mixture of rice and grain husks at an outlet of the distributing assembly, the separating area is provided with an air outlet below the scattering assembly, the separating area is provided with an air inlet opposite to the air outlet, and the box body is provided with an exhaust fan at the outer end of the air outlet. The outlet end of the exhaust fan is detachably connected with a breathable yarn bag used for collecting grain husks, the bottom of the separation area is in the shape of an inclined face inclining outwards and downwards, a discharging port is formed in the position, at the end point of the inclined face at the bottom of the separation area, of the box body, and a sealing door is hinged to the discharging port. The rice husking machine has the advantages of being good in rice husking effect and clean in separation of rice and rice husks.