574 results about "Corn kernel" patented technology

The invention relates to the technical field of corn kernel quality detection, in particular to a corn kernel quality detection model construction method and system based on multi-source data fusion, and the method comprises the following steps: S1, multi-source data collection: collecting apparent morphology data of corn kernels through a multi-spectral imaging device, synchronously utilizing a near-infrared spectrometer to obtain spectral data of internal components of the corn kernels, and measuring structural density characteristic data of the corn kernels in combination with a sonic sensor; s2, multi-modal feature construction: forming a multi-modal feature matrix; s3, dynamic weighted fusion: generating a mixed feature vector; s4, constructing a dual-channel neural network: constructing a dual-channel deep neural network based on the generated mixed feature vector; and S5, model compression and deployment optimization: generating a lightweight detection model suitable for the embedded device. According to the invention, multiple requirements of an agricultural field on real-time performance, precision and deployment flexibility are met.

The invention provides a method for carrying out corn quality seed selection by using a hyperspectral imaging technology, and belongs to the technical field of corn quality seed selection. Corn kernels are subjected to spectrum scanning in a wavelength range of 400nm to 2500nm, spectrum data are preprocessed through a continuous wavelet transform algorithm, baseline drift and noise interference are removed, and a high-quality seed selection result is obtained. And accurately extracting spectral characteristic peaks of protein, starch, grease and moisture. And establishing a characteristic peak distribution matrix to record peak intensity distribution, and calculating a characteristic peak intensity weight coefficient and a position offset. And constructing a characteristic peak quality incidence matrix, establishing a numerical mapping relationship between the spectral characteristics and the quality parameters, and obtaining a peak width parameter and a spectral noise level. The spectral quality fusion function is adopted to process the multi-dimensional characteristic parameters, and the comprehensive quality evaluation index and the single quality evaluation index are calculated, so that the technical problem that the multi-dimensional quality characteristics of the corn kernels cannot be accurately identified and accurately graded is solved.

The invention relates to the technical field of infrared spectroscopic analysis, in particular to a spectroscopic analysis-based corn kernel nutrient abundance and deficiency state evaluation method, which comprises the following steps of: irradiating corn kernels by using near-infrared and mid-infrared light sources, collecting reflected spectral signals, and recording spectral signal data; and based on the spectral signal data, extracting key wavelength region data to obtain key spectral data. According to the invention, the near-infrared light source and the mid-infrared light source are combined, so that the capability of acquiring nutrient information of the corn kernels is enhanced, the reflection characteristic of spectral signals is utilized, the interference of environmental factors on data acquisition is reduced, and the stability of spectral data is improved. The screening of key wavelength regions reduces irrelevant information, so that the spectral data is more concentrated on the characteristic wave bands influencing the nutrient state. The spectral signals are processed through wavelet transform, the resolution ratio of the characteristic peak value is improved, the local change trend of the spectral signals is enhanced, and characteristic extraction is more accurate.

System for and method of producing a pure starch slurry and alcohol by using combined corn wet and dry milling processes. A simple and lower cost process to obtain starch inside floury endosperm is provided. The starch can be highly purified to meet green technology process needs. The remaining starch inside the corn kernels can be used as feedstock for alcohol production and to produce valuable co-products such as oil and various animal feeds.

The invention relates to the technical field of molecular markers, in particular to a biomarker related to the zeaxanthin content character of sweet corn kernels and application of the biomarker. The RIL population is used for performing QTL positioning on the corn kernel zeaxanthin content character, it is found that a major QTL related to the sweet corn kernel zeaxanthin content exists on the sixth chromosome of corn, the major QTL is located between SNP sites Schr6: 83027949 and Schr6: 84835891, the phenotype contribution rate of the corn kernel zeaxanthin content is 18.69%, and the major QTL is a major QTL related to the sweet corn kernel zeaxanthin content. The major QTL can be used for screening or auxiliary screening of sweet corn with relatively high zeaxanthin content, when the genotype of Schr6: 83027949 is GG and the genotype of Schr6: 84835891 is AA, the zeaxanthin content is relatively high, technical support is provided for molecular marker-assisted breeding, and the major QTL has important significance in improving the nutritional quality of the sweet corn.

A corn kernel harvesting device and method thereof is provided. As the corn kernel harvesting device, or corn shucker, moves from a first configuration to a second configuration, the device separates corn kernels from its respective inner core, such as a corn cob. The corn kernel harvesting device comprises an ejection assembly, harvesting assembly, discharge assembly, and is configured to enable a user to remove corn kernels efficiently and consistently from a corn cob.

The invention relates to the technical field of molecular inheritance and genetic engineering, in particular to a gene ZmGDR1 for regulating and controlling the dehydration rate and the flowering phase of corn kernels and application of the gene ZmGDR1, and the gene ZmGDR1 has a polynucleotide sequence as shown in SEQ ID NO: 1 or an amino acid sequence as shown in SEQ ID NO: 4. The ZmGDR1 provided by the invention can effectively regulate and control the water content and the dehydration rate of corn kernels, and meanwhile, the flowering period of corn is advanced, so that a new gene resource is provided for cultivating a new variety of early-maturing and rapid-dehydration corn.

The invention discloses a corn ZmMYBR37 gene and an application of the corn ZmMYBR37 gene in regulating and controlling the size of corn kernels. The nucleotide sequence of the ZmMYBR37 gene is as shown in SEQ ID No: 1 in a sequence table. A mutant material with small grains and reduced hundred-grain weight is separated from a corn EMS mutant library, and a mutation site occurs on a function unknown gene ZmMYBR37, so that protein translation is terminated in advance. The information analysis finds that the gene coding protein has a conservative MYB structural domain, and the gene coding protein is speculated to belong to an MYB transcription factor family. Gene expression analysis finds that the gene is high in constitutive expression in corn and high in expression level in leaves and embryos. The corn material overexpressed with the ZmMYBR37 has the advantages that the grain size is increased, and the hundred-grain weight is obviously increased, so that the ZmMYBR37 has the potential of increasing the corn yield.

The invention relates to the technical field of household flour mills, in particular to an environment-friendly and dust-suppression flour milling device for corn flour processing, which comprises a motor shell and a crushing cup arranged on the motor shell, a square rotating shaft is arranged on the motor shell, a guide plate is arranged in the crushing cup, a flour milling assembly is movably arranged in the crushing cup, and the motor shell is provided with a motor. The corn grinding device has the function of grinding fed corn for multiple times, meanwhile, feeding can be adjusted to a certain degree in the whole grinding process, the corn can continuously enter a whole grinding area to be ground, and through cooperation between an arranged crushing arc plate and an annular grinding disc, when the whole corn is ground, the grinding efficiency of the corn is improved, and the corn grinding efficiency is improved. According to the intelligent corn machine disclosed by the invention, the corn kernels are subjected to primary crushing operation, and the treated corn kernels are put into the grinding area between the first grinding disc and the second grinding disc to be ground, so that the whole grinding speed can be increased, and meanwhile, the energy consumption of the whole intelligent corn machine during use can be reduced.

The invention belongs to the technical field of extraction and purification of plant components, and relates to a low-temperature freezing vacuum drying nano processing method for extracting anthocyanin from purple corn, in particular to a method for extracting anthocyanin from corn kernels, cores, straws, roots and stigmas of purple corn. The processing method comprises the steps of pretreatment, concentration, hydroxyl radical treatment, quick freezing, nano crushing and the like. A hydroxyl radical treatment method is adopted, so that harmful substances such as pesticide residues can be efficiently, quickly and thoroughly removed; the effect of extracting the anthocyanin from corn kernels, roots, cores, stems and stigma of purple corn by adopting a low-temperature freezing vacuum drying technology is remarkable, the purification rate is high, and the anthocyanin containing 99% of biological activity is achieved. The nanoscale anthocyanin is processed by adopting jet mill equipment and can be conveniently absorbed by a human body and widely applied to various fields.

The utility model relates to the field of fresh sweet-waxy corn processing, in particular to a cleaning device for fresh sweet-waxy corn processing. The cleaning device for processing the fresh sweet waxy corn comprises a protective shell, a supporting frame, a feeding frame, a transmission machine I, a transmission machine II, a water outlet pipe I and a high-pressure spray head I. The supporting frame is fixedly connected to the lower portion of the protective shell, and the feeding frame is installed on the right side of the upper portion of the protective shell. A water outlet pipe I is connected to the right side of the upper portion in the protective shell, and a plurality of high-pressure spray heads I are connected to the upper portion of the water outlet pipe I. By arranging the cleaning brushes, the motor and the synchronous belt, the motor operates to drive the synchronous belt to rotate, and the synchronous belt drives the multiple cleaning brushes to rotate and brush into gaps among corn kernels to brush away soil in the gaps, so that the effect of cleaning the gaps is achieved, and the problem that soil is left in the gaps among the corn kernels is effectively solved.

The invention belongs to the field of molecular biology, and discloses acquisition of corn kernel protein major QTL qHP5 and development and application of molecular marker primers of the corn kernel protein major QTL qHP5. The major QTL qHP5 for controlling the corn kernel protein is located at the fifth chromosome of the corn, the major QTL locus for controlling the variation of the corn kernel protein is an excellent haplotype SNP marker which is closely linked with the major QTL locus and is located at the 166392631th basic group of the fifth chromosome of a corn B73 reference genome, the explained phenotype contribution rate of the corn kernel protein is 9.8%, and the explained phenotype contribution rate of the corn kernel protein is 9.8%. The PARMS marker designed by using the SNP is used for detecting a corn inbred line group, is simple and convenient to operate and clear in typing, has a good selection effect on yield traits and growth period traits such as corn ear weight, hundred-grain weight, single-ear grain weight, row number of ears, row number of grains and the like, and can be used for molecular marker-assisted selection breeding of the corn kernel protein content.

The utility model relates to the technical field of corn processing, in particular to a corn drying device which comprises a drying barrel, a stirring shaft, a stirring plate and a lining layer, during application, the screen plate is detached, corn kernels to be dried are injected into a drying cavity from a material injection port and then the screen plate is installed, and the stirring shaft drives the stirring plate to rotate together when rotating, so that the corn kernels are dried. And therefore, the corn kernels in the drying cavity are stirred. A heat source in the lining layer plays a role in heating and drying, the drying efficiency can be improved through stirring of the stirring plates, the mesh plate is of a mesh structure, water vapor is discharged through the mesh plate of the material injection opening, and the corn kernels are dried. And through the mesh structures arranged on the plate bodies of the stirring plates, a large number of corn kernels can pass through meshes, stirring of the two symmetrically-arranged stirring plates on the corn kernels is more random, and the drying efficiency is further improved. In conclusion, corn can be automatically dried, and the drying efficiency is excellent.

The invention discloses a fertilizing method for realizing simultaneous enrichment of iron, zinc and selenium in corn kernels. Relates to the technical field of corn nutrient fertilization. Comprising the following steps: 1) applying a zinc fertilizer and an iron fertilizer; humic acid; organic fertilizer or farmyard manure; a calcium-magnesium-sulfur-silicon fertilizer; spraying fertilizer on leaf surfaces by an unmanned aerial vehicle. According to the method, through reasonable fertilization, namely reasonable matching of large, medium and trace elements (carbon, nitrogen, phosphorus, iron, zinc, selenium and the like), the yield of corn kernels and the simultaneous improvement of iron, zinc and selenium in the kernels are achieved in calcareous calcareous alkaline soil, saline-alkali soil and light soil, and the contradiction between high yield and nutrient quality of the trace elements is solved.

The invention discloses an InDel marker linked with characters of high-quality sweet-waxy corn kernels and application of the InDel marker, self-bred high-quality sweet-waxy corn kernels are selected to be hybridized with a conventional waxy corn inbred line, and molecular markers (primer pair sequences are as shown in SEQ ID No.1 and SEQ ID No.2) closely linked with target characters are utilized to perform rapid offspring screening, so that the breeding efficiency is remarkably improved. According to the method, the breeding period can be shortened, the breeding cost can be reduced, genetic resources of the sweet-waxy fused corn can be effectively widened, and technical support is provided for cultivation of novel sweet-waxy corn varieties.

The invention discloses a corn protein enzymolysis fermentation device and a fermentation method, a side plate is arranged on one side of the top of a premixing tank, a blocking mechanism is arranged on the side plate, and an input port of the blocking mechanism is communicated with a medicament box. A required medicament is placed in the medicament box in advance, corn is put into the rotary drum after the equipment is started, the corn can move to the positions of the grinding disc and the top disc along the rotary drum, and corn kernels can be ground and crushed through cooperation of the top disc and the grinding disc in the process that the servo motor drives the rotary drum to rotate. After crushing, the crushed corn kernels are washed by a solution to be away from the grinding disc, the crushed corn kernels cannot be accumulated on the grinding disc, so that the corn kernel crushing effect is not changed, the medicament can enter the premixing tank in batches in the rotating process of the rotary drum so as to be premixed, and the medicament can be quickly mixed with the solution after being discharged out of the premixing tank after being mixed; the whole process realizes integrated operation, so that the production efficiency is improved.

The invention is suitable for the technical field of plant modeling analysis, and provides a discrete element method-based multi-moisture-content corn kernel model construction method, which comprises the following steps of: analyzing the geometrical morphology and characteristic size parameters of mature-period corn kernels with the moisture content of 12-30% of a variety to be modeled, and determining the characteristic size change condition of the corn kernels; analyzing the feature size parameters to obtain geometric parameters of the basic corn kernel model; utilizing a Sigmoid function to be matched with a matrix equation to predict the volume size change of the grains with different water contents; according to an analysis result of the geometric morphology, determining a filling ball arrangement mode of the basic corn kernel model, calculating coordinates of filling balls, and establishing a geometric model; contact parameters of the basic model are determined, the surface adhesion behavior change condition is predicted through a Sigmoid function in cooperation with a matrix equation and a Linear Cohesion model, and a humidity gradient coupling HM-LC model is established. The constructed model accords with the actual moisture content change condition characteristics of the corn kernels, and is suitable for agricultural product processing and production processes.

The invention discloses an Indel marker related to a corn kernel protein content character and application of the Indel marker, and belongs to the technical field of plant molecular genetics and crop molecular design breeding. The Indel marker is located on a gdh2 gene of a chromosome 10 of a corn genome, and insertion or deletion of a nucleotide sequence as shown in SEQ ID NO.5 occurs in an intron region between a second exon and a third exon. By applying the molecular marker-assisted selection technology, high-protein new germplasms S3317 (the crude protein content is 17.0%) and JS231148 (the crude protein content is 15.6%) have been successfully cultivated, the increase amplitudes of the high-protein new germplasms and JS231148 are both more than 15% compared with those of the conventional control, and the lysine content reaches 0.41% and reaches the national high-quality protein corn standard.

The invention relates to a gene ZmILR1 for controlling the size of a corn kernel as well as a molecular identification method and application of the gene ZmILR1, and belongs to the technical field of plant genetic breeding and functional gene research. The ZmILR1 gene encodes an IAA-amino acid hydrolase, mutation of the IAA-amino acid hydrolase causes corn kernels to become smaller, and overexpression of the gene can create a corn material with increased kernel length, kernel width and hundred-kernel weight. A functional molecular marker A1A4 is developed according to the sequence difference of the mutant gene and a wild type gene at the DNA level, and can be used for rapid identification and screening of small-grain corn materials. The invention provides a theoretical basis and an application tool for analyzing a molecular mechanism of the corn grain size and developing molecular marker-assisted breeding and hybrid seed breeding, and provides important gene resources and technical support for high-yield and high-quality molecular breeding of corn.

The invention discloses a mechanism and data fusion driven wheat and corn harvesting and threshing grain damage rate evolution prediction method. The method comprises the following steps: 1, acquiring response data of wheat or corn grain damage rate along with time change under different threshing working conditions based on a bench test; 2, on the basis of a discrete element simulation analysis result, constructing a wheat and corn threshing grain damage rate physical model to obtain response data of the grain damage rate changing along with time under different threshing working conditions; 3, constructing a wheat corn harvesting and threshing grain damage rate prediction model training data set; 4, establishing a wheat corn harvesting and threshing grain damage rate evolution prediction network model driven by mechanism and data fusion; 5, a loss function of the prediction model is established and trained, and an optimal grain damage rate evolution prediction model is obtained and used for predicting the grain damage rate of wheat and corn harvesting and threshing. According to the method, the evolution trend of the grain damage rate in the wheat and corn harvesting and threshing process can be accurately obtained in advance, and a basis is provided for wheat or corn harvesting and threshing self-adaptive damage suppression regulation and control.

The invention discloses a bidirectional clamping feeding type corn single ear thresher, which relates to the technical field of agricultural machinery and comprises a box body, the box body is divided into an upper cavity and a lower cavity through a workbench, clamping threshing devices are symmetrically arranged on the left side and the right side of the upper cavity, and an ear placing device is arranged between the two clamping threshing devices. A screen plate for screening corn kernels and corncobs is obliquely arranged in the lower cavity; the clamping and threshing device comprises a first sliding rail transversely arranged in the upper cavity, a clamping and threshing shell slidably clamped to the first sliding rail through a sliding rail base, and a first linear driving mechanism driving the clamping and threshing shell to reciprocate along the first sliding rail. The clamping and threshing module is arranged at the end, close to the ear placing device, of the clamping and threshing shell, and the composite driving mechanism is arranged in the clamping and threshing shell and drives the clamping and threshing module to move and rotate. According to the scheme, corn ears are clamped in a self-adaptive mode through the clamp, and feeding type or rotary rubbing type threshing is carried out through the self-adaptive cutter.

The invention relates to the field of agricultural engineering, in particular to corn kernel integrity detection equipment, and provides the following scheme aiming at the problems that corn kernel detection equipment in the prior art is difficult to flatly lay and insufficient in adhesion segmentation precision. The device comprises a detection disc, a fixing ring arranged on the outer circle of the detection disc, a top shooting assembly installed on the top of the fixing ring and a side shooting assembly installed on the inner circle of the fixing ring, a discharging port is formed in the fixing ring, a supporting shaft is rotationally connected to the bottom face of the detection disc, and a fixing column coaxial with the detection disc is fixed to the top face of the detection disc. The part, located between the fixing column and the inner ring of the fixing ring, of the top face of the detection disc forms a corn kernel laying space. According to the corn kernel detection device, corn kernels can be conveniently and automatically spread in the detection process, and the corn kernels can be conveniently and automatically cleaned out from the detection disc after detection is completed, so that the purpose of long-time large-batch continuous detection can be achieved.

The invention belongs to the technical field of preparation of health-preserving drinks, and particularly relates to selenium-enriched ginkgo flavone traditional Chinese medicine health-preserving wine and a preparation method of the selenium-enriched ginkgo flavone traditional Chinese medicine health-preserving wine. Comprising the following raw materials in parts by mass: 10 parts of corn kernels, 3-5 parts of mushrooms, 6 parts of oat, 3 parts of soybeans, 3.5-5.5 parts of ginkgo leaves, 2 parts of Chinese dates, 1.5 parts of crystal sugar, 0.8-1.2 parts of honey, 0.8-1.2 parts of fruit juice modified liquid and 1 part of a traditional Chinese medicine extracting solution. According to the selenium-enriched ginkgo flavone traditional Chinese medicine health-preserving wine, corn kernels, mushrooms, oats and soybeans are used as selenium-enriched raw materials, long-chain polysaccharides of the corn kernels, the mushrooms, the oats and the soybeans form a compound, and flavone protection and selenium absorption promotion are achieved in combination with a colloid environment and fruit juice modified liquid; polysaccharide, organic selenium and ginkgo flavone are cooperated, so that the health-care wine is upgraded to target conditioning; through'chemical reaction-slow release conversion ', bitterness is covered, flavor is increased, and health preserving and taste are balanced.

The invention relates to the technical field of animal feed, in particular to cold-season yak supplementary feeding granules and a supplementary feeding method and application thereof. The supplementary feeding granular material for yaks in the cold season is prepared from the following components in percentage by weight: 10-13% of corn straws, 20-25% of sunflower seed shells, 35-38% of corn kernels, 9.4-10% of soybean meal, 8-10% of cottonseed meal, 0.8-1% of baking soda, 0.8-1% of table salt, 0.5-1% of feed premix and 4-5% of yeast leavening. Through a scientific formula, various nutritional ingredients needed by yaks can be provided, it is ensured that the yaks obtain comprehensive nutritional support in different growth stages, and meanwhile, high-energy nutritional ingredients can be provided to make up for a large amount of energy consumed by the yaks in the growth process; the feed can be converted into meat more efficiently, the growth speed and production benefits of the yaks are improved, and the feed has good digestibility and can be better absorbed by the yaks, so that feed waste is reduced, and the feeding efficiency is improved.

The invention discloses a dCAPS molecular marker for detecting the moisture content and dehydration rate of corn kernels and application of the dCAPS molecular marker, and belongs to the technical field of corn molecular breeding. On the basis of correlation analysis of a gene ZmNAD, a significant SNP related to the moisture content and the dehydration rate of grains is identified, and then a dCAPS molecular marker ZmNAD-SNP1-Sac1 with the sequence as shown in SEQ ID NO.1 and a primer pair with the sequence as shown in SEQ ID NO.4-5 are developed. The dCAPS molecular marker and the primer pair thereof provided by the invention can be applied to identification of corn varieties with low moisture content and high dehydration rate of grains and molecular marker-assisted selective breeding, and can effectively save the detection cost, shorten the period and improve the detection efficiency. The invention provides a new technical means for screening corn materials with low water content and high dehydration rate of grains, and has a wide application prospect.

A self-aligning power-assisted corn kernel cutting apparatus is provided. The apparatus includes a cylindrical shell ported housing coupled to an actuation mechanism at a first end and an annular cutting mechanism at a second end. The actuation mechanism includes a power-assisted piston rod coupled to self-aligning plunger via a spring and an inner plunger disposed within the self-aligning plunger. In operation a user places an ear of corn within the ported housing wherein self-aligning plunger is force down upon the ear causing the ear to align properly. Power assistance is provided to the actuation mechanism which forces the ear over the annular cutting mechanism ejecting kernels through at least one port into an optional toroidal bowl. Once actuation mechanism bottoms out inner plunger forces the cob through an ejection tube.

The invention provides an intelligent drying and dewatering method and device for corn kernels, and the method comprises the steps: dynamically constructing a sparse causal graph based on a heat and mass transfer mechanism of a corn drying process, embedding a real-time working condition parameter adaptive adjustment structure, and combining a graph neural network driven by a physical mechanism and a Transformer student model, thereby achieving the intelligent drying and dewatering of the corn kernels. The learning ability of the student model for the physical causal features and decision paths is optimized through hierarchical knowledge distillation; a dynamic rarefaction and Gumbel-Softmax sampling mechanism is introduced, so that the efficiency and flexibility of causal structure modeling of the knowledge graph are improved; finally, in combination with attention distribution and thermodynamic laws of dominant decision paths, physical semantic interpretability control parameter recommendation and visual reporting are realized, and model prediction accuracy, reasoning efficiency and decision credibility are effectively enhanced.

The utility model discloses a cyperus esculentus primary selection threshing separation device, and belongs to the technical field of agricultural machinery. The utility model aims to provide a cyperus esculentus primary selection threshing and separating device which improves the cyperus esculentus separating effect by changing threshing and separating equipment. One end of a threshing bin is a separated bean leaf outlet, and the other end of the threshing bin is an unseparated bean leaf inlet; a threshing separation main shaft and a screen drum shaft are installed on the two side walls of the threshing bin through bearings, a main shaft gear and a screen drum shaft gear are installed on the threshing separation main shaft and the screen drum shaft respectively, a threshing mechanism is installed on the portion, inside the threshing bin, of the threshing separation main shaft, and a screen drum is installed on the portion, inside the threshing bin, of the screen drum shaft. The utility model has the beneficial effects of simple structural design and small running resistance. The combined design of the arch teeth and the spike teeth can effectively improve the threshing rate and the harvesting efficiency of corn kernels, reduce the kernel damage rate, remove soil and part of grass through the screen drum, and reduce the phenomenon that screen holes are blocked.

The invention relates to a corn hundred-grain weight intelligent inspection device, and belongs to the technical field of grain inspection, and the corn hundred-grain weight intelligent inspection device comprises an intelligent feeding mechanism used for orderly conveying corn grains; the separating and counting mechanism is used for carrying out image recognition, impurity removal and accurate counting on the corn kernels; the precise weighing mechanism is used for weighing the counted quantitative corn kernels; the data analysis module is used for processing, displaying and storing the weighing data; the intelligent controller is electrically connected with the intelligent feeding mechanism, the separating and counting mechanism, the precise weighing mechanism and the data analysis module and used for controlling all the mechanisms to work in a coordinated mode. Automatic, orderly and single grain conveying of grains is achieved through the intelligent feeding mechanism, and the traditional tedious and error-prone manual grain counting link is replaced. Manual intervention is not needed, whole-process automation of the inspection process is achieved, the working efficiency is greatly improved, and the labor intensity is reduced.

The utility model relates to the technical field of rasping machines, and discloses a rasping machine for grinding corn. The rasping machine for grinding the corn comprises a base, a plurality of grinding wheels and a plurality of grinding wheels, the shell is arranged on the base; the first filing and grinding knife mechanism is close to the round roller and arranged in the shell, and the first filing and grinding knife mechanism is located above the circle center of the round roller; the baffle is arranged in the shell, and the baffle is used for preventing corn kernels from crossing the first filing and grinding knife mechanism; the second filing and grinding knife mechanism is arranged between the inner side wall of the shell and the round roller, the second filing and grinding knife mechanism is arranged close to the round roller, the circle center of the second filing and grinding knife mechanism and the circle center of the round roller are located at the same horizontal height, and the second filing and grinding knife mechanism is arranged close to the first filing and grinding knife mechanism; the two circular ring structures are coaxially fixed to the left side and the right side of the round roller correspondingly, and the first filing and grinding knife mechanism and the second filing and grinding knife mechanism are arranged between the two circular ring structures correspondingly.