262 results about "Threshing" patented technology

The invention provides a cleaning device with an adjustable screening behavior suitable for densely-planted corn, and belongs to the field of corn harvesting machinery. Comprising an upper screen box, a shaking plate, a centrifugal fan, a crank connecting rod mechanism and a lower screen box, the centrifugal fan is fixedly connected with a harvester, the shaking plate is arranged above the centrifugal fan, one end of the shaking plate corresponds to a discharging port of a threshing device, the other end of the shaking plate is provided with the upper screen box, and the lower screen box is arranged below the upper screen box. The ends, close to the centrifugal fan, of the upper screen box and the lower screen box are connected through crank connecting rod mechanisms, the crank connecting rod mechanisms are symmetrically arranged on the two sides of the upper screen box and the two sides of the lower screen box, and a structural unit of the vibrating screen with the adjustable screen penetrating behavior is composed of an upper-section screen plate, a middle-section screen plate, a lower-section screen plate and an inclination-angle-adjustable screen plate. The throwing force of the front end area of the vibrating screen on mixture particles and the vertical speed of air flow on the screen are increased, the separation effect of impurities and grains is promoted, the grain penetrating through the screen is improved, and the low-loss and high-cleanliness purposes of corn grain cleaning are achieved.

The invention relates to the technical field of grain loss monitoring, in particular to a wheat harvesting loss monitoring system and method, and the system comprises an unmanned aerial vehicle monitoring module, a multi-mode sensor array, a signal processing module, an intelligent control module and a man-machine interaction terminal. The unmanned aerial vehicle monitoring module is used for scanning a field parcel, identifying a lodging area and a high-density area and generating a loss risk thermodynamic diagram, the loss risk thermodynamic diagram is imported into a harvester navigation system, and the high-risk area is harvested preferentially; the multi-mode sensor array comprises a piezoelectric grain sensor and an image sensor; the piezoelectric type grain sensor is mounted at the tail part of the cleaning sieve, adopts a vibration isolation device (such as a rubber pad) to reduce mechanical vibration interference, and detects a grain impact signal through a piezoelectric element; the image sensor is arranged on a header and a threshing outlet and is used for identifying missed cutting of wheat ears and damaged grains based on a deep learning algorithm; the intelligent control module comprises a loss rate calculation unit and a parameter optimization unit; the precision and the real-time performance are improved.

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 straw collecting and granulating device comprises a harvester body, a header assembly and a driving assembly, the driving assembly comprises an engine, a transmission assembly, a feeding assembly and a granulating assembly are arranged on the harvester body, the feeding assembly is connected with the right end of the header assembly, and the granulating assembly is connected with the right end of the header assembly. The feeding assembly comprises a feeding frame and a conveying mechanism, a first feeding port is formed in the left end of the feeding frame and connected with the header assembly, the granulation assembly is arranged below the feeding frame, one end of the transmission assembly is connected with the engine, and the other end of the transmission assembly is connected with the first driving shaft. According to the straw collecting and granulating device changed from the small-sized harvester, the small-sized crawler-type harvester is used as a main body for improvement, additional power is not needed, function conversion from threshing operation to straw collecting and granulating operation is achieved, and the straw collecting and granulating device is suitable for operation of small-area field parcels in the south, and flat-die granulating and field in-situ discharging of pure rice straw are completed.

The invention discloses an intelligent processing system for agricultural grain harvesting, and the system comprises a plurality of acoustic emission sensing units which are distributed in an array manner, are coupled to a threshing part, and are used for monitoring the micro-damage of grains; and the integrated multi-mode sensing unit is arranged on the grain conveying part and comprises a transmission type sensor for acquiring grain internal structure data, a spectrum sensor for acquiring grain surface chemical component data, a volatile organic compound sensor and a body moisture sensor. The system also includes a central data processor configured to: calculate a micro-damage index; generating a grain quality map; generating corruption risk features; and generating a system control signal for the agricultural harvesting device based on at least one of the microdamage index, the grain quality map, and the spoilage risk feature. The problems that internal damage cannot be monitored in real time, internal and external defects cannot be distinguished and moisture interference cannot be overcome in a harvesting field are solved.

The invention relates to the technical field of agricultural harvesting equipment, in particular to an awn crushing, threshing and cleaning device of a highland barley combine harvester. Wherein the threshing cylinder is divided into a front end awn crushing section and a rear end threshing section, two sections of spike teeth are driven to rotate reversely through a coaxial reversing mechanism, a feeding auger and an awn crushing fan are arranged at the front end, and material conveying and preliminary wheat awn scattering are synchronously achieved; an anti-blocking and unblocking roller device is assembled on the outer side of the arc-shaped concave plate, and screen hole clamping objects are carded in real time; a top cover plate of the threshing cylinder is provided with a sectional type material guide plate, a hydraulic spike tooth assembly and a feeding quantity sensor, and the material accumulation working condition is dynamically adapted; the controllable fan is provided with a variable frequency drive and an adjustable air guide plate, and the air speed and the airflow direction can be adjusted according to working conditions. All the modules work cooperatively through the controller, threshing-awn crushing-cleaning integrated operation of highland barley is achieved, threshing thoroughness, awn processing efficiency and cleaning precision can be improved, manual intervention is reduced, and the requirement for large-scale highland barley harvesting is met.

The present invention aims to provide a combine harvester that can maintain good threshing performance by improving the feeding of grain stalks into the threshing device, even when a large amount of grain stalks are sent to the threshing device. [Solution] In a combine harvester, a threshing device 4 is mounted on the machine frame 1, in which a threshing cylinder 11 is pivotally supported in a threshing chamber 10, a plurality of grain stalk feeding guides 60 are provided in the threshing chamber 10, and a receiving net 12 surrounds the lower half of the threshing cylinder 11. The threshing device of the combine harvester is characterized in that the spacing La of the front grain stalk feeding guides 60a provided on the front end side of the threshing cylinder 11 is narrower than the spacing Lb of the intermediate grain stalk feeders 60b provided in the middle part of the threshing cylinder 11.

The invention relates to the technical field of corn harvesting, and discloses corn harvesting and threshing intelligent integrated equipment which comprises a harvester, a processing bin is arranged on the harvester, and a discharging pipe is arranged on the harvester. Reciprocating motion of the position of the discharge pipe can be achieved, the hopper of the whole transport vehicle can be evenly and fully paved finally, the utilization rate of the space of the hopper is greatly increased, when the width of the hopper of the transport vehicle is small, the stroke of the air cylinder can be controlled through the control assembly to be automatically adjusted according to the width of the hopper of the transport vehicle, and the working efficiency is improved. By means of the control assembly, the discharging pipe can make horizontal reciprocating motion above the vehicle hopper all the time, the discharging pipe is prevented from moving out of the vehicle hopper, corn kernels are prevented from being scattered out of the vehicle hopper, the deflection condition of the vehicle hopper can be monitored, a worker can be reminded to adjust the position of the vehicle hopper in time when the vehicle hopper deflects, a first vertical plate in the control assembly can be protected, and the working efficiency is improved. And the first vertical plate is prevented from being broken off by the inclined car hopper.

The application discloses a combine harvester with a material differentiation processing function, which comprises a walking chassis, a ploughing and harvesting assembly, a material conveying assembly and a threshing and cleaning assembly arranged in sequence from front to back on the walking chassis; the threshing and cleaning assembly comprises a threshing device and a cleaning device arranged in an up-down mode; the cleaning device comprises a sieve body and a driving main shaft for vibrating the sieve body; the number of the sieve bodies is at least three, and all the sieve bodies are closely arranged in the axial direction of the driving main shaft; a driving member is connected between the driving main shaft and each sieve body, and the specifications of the driving members connected with the sieve bodies at different positions are different, so that the vibration parameters of the sieve bodies at different positions are different. In the application, the structural design of the cleaning device can fully meet the distribution characteristics that the materials falling from the threshing cylinder of the threshing device are more on both sides and less in the middle, and targeted screening processing of the differentially distributed materials is realized.

The utility model relates to the technical field of agricultural machinery, in particular to a re-threshing device and a harvester. The re-threshing device comprises a toothed plate assembly, a toothed plate seat assembly, a rotary connecting seat and an adjusting seat; the rotary connecting seat and the adjusting seat are both arranged on the toothed plate seat assembly; one end of the toothed plate assembly is rotationally connected with the toothed plate seat assembly through a rotary connecting seat; the other end of the toothed plate assembly is detachably connected with the toothed plate seat assembly through the adjusting seat, and the angle between the toothed plate assembly and the toothed plate seat assembly can be adjusted. The toothed plate assembly comprises a bottom plate and a plurality of threshing toothed plates, and the threshing toothed plates are arranged on the same side of the bottom plate; the toothed plate base assembly is provided with a plurality of adjusting grooves, and the threshing toothed plate penetrates through the adjusting grooves and is used for threshing grains. According to the utility model, the re-threshing device can be used for re-threshing different varieties of rice in different growth states, and diversified operation requirements are met.

This invention discloses a small-scale intelligent millet harvesting and sowing machine that solves the problems of low integration, insufficient targeting, complex operation, low efficiency, and poor terrain adaptability of existing millet harvesting machinery in hilly and mountainous areas. The invention includes an intelligent center and a vehicle body. A harvesting and material collection device, a transport and threshing device, a sowing device, and a fertilizing device are sequentially installed on the vehicle body. The inlet of the harvesting and material collection device corresponds to the inlet of the transport and threshing device. A non-destructive conveying device is connected to the outlet of the transport and threshing device, and the outlet of the non-destructive conveying device corresponds to a grain storage bin installed on the vehicle body. The grain storage bin is equipped with a grain mixing device. The sowing device is located between the harvesting and material collection device and the grain storage bin, and is equipped with a seed bin mixing device. This invention achieves unmanned and automated operation of the machinery, effectively ensuring the integration of field operations, and significantly reducing the input of human resources and the increased costs caused by frequent replacement of agricultural machinery.

To provide a combine harvester that can suppress grain stalks from becoming entangled in the harvesting device. [Solution] In a combine harvester, a traveling device (2) for traveling in a field is provided on the underside of a machine frame (1) on which an engine (E) is mounted, a harvesting device (3) for cutting grain stalks is provided on the front side of the machine frame (1), a threshing device (4) for threshing the harvested grain stalks is provided on the rear left side of the harvesting device (3), a control unit (5) for the operator is provided on the rear right side of the harvesting device (3), and a grain tank (7) for storing grain is provided behind the control unit (5) along with a camera (11). The camera (11) takes an image of the front of the combine harvester, and the controller (50) of the combine harvester estimates the posture of the grain stalk heads from the image taken by the camera (11) and calculates the entanglement rate of the grain stalks.

The utility model discloses a kind of fresh corn threshing equipment, it is related to agricultural product processing equipment field, the technical scheme of the utility model includes feed cylinder, the feed cylinder is only for single corn axial sliding, the front end of the feed cylinder is provided with threshing structure;The threshing structure includes annular member and the threshing cutter fixed in the annular member;The annular member is coaxially rotating cooperation relative to the feed cylinder, the annular member is driven by motor;The threshing cutter is arranged in the annular member, the blade tip of the threshing cutter extends to the inside of the annular member, the blade tip direction of the threshing cutter is relatively the axis of the annular member and is staggered arrangement, just corn is sent into feed cylinder, and threshing can be realized, and threshing efficiency is high, and it is easy and simple to operate.

The application discloses a concave plate gap adjusting device of a combine harvester, and belongs to the field of agricultural machinery, which comprises a feeding auger, a threshing cylinder, a support, a bearing seat, a follower and a screening assembly. The support is fixedly connected with the bearing seat at both ends. The support is rotatably connected with the feeding auger and the threshing cylinder through the two bearing seats. The end, away from the bearing seat, of the feeding auger is connected with the threshing cylinder. A linear guide groove is correspondingly arranged on the support. The support is connected with the screening assembly through the linear guide groove and cooperates with the guide follower. The end, close to the bearing seat, of the auger is provided with a feeding inlet. The end, close to the bearing seat, of the threshing cylinder is provided with a discharge outlet. The threshing cylinder and the screening assembly are arranged. The gap between the threshing cylinder and the screening assembly can be adjusted through the screening assembly during the threshing process of the threshing cylinder, so that the threshing effect is improved.

The present application relates to the field of corn food processing equipment, in particular to a kind of fresh corn kernel threshing device and its using method, including feed cylinder and mounting bracket, the feed cylinder coaxially fixed in the outer side of the mounting bracket end face, rotating ring is rotationally arranged in the middle of the mounting bracket, multiple groups of tool holders are arranged around the inside of the rotating ring, and multiple groups of holding frames are arranged in the middle of the rotating ring corresponding to the tool holder, and the rotating ring outside is provided with synchronous disc for supporting the holding frame;The outer circumference of the rotating ring is provided with annular mounting groove matched with the mounting bracket, and multiple groups of holding grooves for accommodating the holding frame are vertically penetrated in the middle of the rotating ring. Advantageous effects are that: the present application can adjust the inner diameter of annular cutter formed by multiple groups of tool holders in real time according to the diameter of different corn cobs, and then realize corresponding cutting and threshing of tender corn cobs, without manual sorting for size classification of corn cobs, more convenient to use, and corn kernel is more thoroughly separated, and the effect is better.

This invention discloses a self-propelled sunflower harvester based on a robotic arm for picking sunflower discs, relating to the field of sunflower harvesting. It includes a header, with several rotating frames mounted behind the header. A robotic arm for grabbing sunflower discs on the header is mounted on each rotating frame. A feeding plate is located behind the rotating frames. A reciprocating assembly is mounted on each rotating frame to drive the robotic arm to move back and forth between the header and the feeding plate. A rotating component is also mounted on each rotating frame to drive the rotating frames to flip and shake off impurities from the sunflower discs when the robotic arm is conveying them. A cutting component is mounted on the feeding plate to cut sunflower disc stem fragments into uniform lengths. This invention, through the coordinated action of the reciprocating assembly and the rotating component, achieves online shaking off of impurities and inverted conveying of sunflower discs, significantly improving the cleanliness of subsequent threshing.

The utility model discloses a kind of Chinese cabbage seed rapid collection devices, it is related to Chinese cabbage seed collection technical field, including collection box, the inside of collection box is provided with collection bin, the inside of collection bin is provided with screening structure, hinged door is hinged to the one side of collection box, threshing structure is provided on the hinged door, the threshing structure is used to make fruit pod from Chinese cabbage plant drop off, fruit pod skin is separated from Chinese cabbage seed, the threshing structure includes threshing bin, the threshing bin is opened on the hinged door, the upper side of the threshing bin is fixedly connected with threshing box, the inside of the threshing box is fixedly connected with fixed plate and slidingly connected moving plate, the side adjacent of the fixed plate and the moving plate is fixedly connected with tooth block, the inside of the threshing box is fixedly connected with symmetrical slide rod;The threshing structure set up can separate Chinese cabbage and Chinese cabbage seed, avoid the problem that Chinese cabbage and Chinese cabbage seed are more complicated to rub open manually.

The invention discloses a logistics simulation regulation and control method, device and equipment for a combine harvester and a medium, and relates to the field of combine harvester simulation, and the method comprises the steps: constructing a logistics simulation model, constructing an MPC model used for determining optimal operation input parameters based on a physical information ash bin model, and constructing a logistics simulation model; the physical information ash bin model is used for determining a prediction quality index, a prediction efficiency index and a prediction risk index based on a logistics simulation model according to operation input parameters and measurement disturbance parameters, and describing state updating of a threshing load level and a cleaning load level based on threshing effective processing capacity and cleaning effective processing capacity; and according to the current operation input parameter and the current measurement disturbance parameter, determining an optimal operation input parameter through an MPC model. According to the method and the device, the physical processes of threshing and cleaning of the combine harvester can be accurately coupled, so that accurate prediction of prediction indexes is realized in a wide load range, and the accuracy of optimization of operation input parameters is improved.

This utility model relates to the field of wheat threshing technology and provides an automatic threshing device for wheat breeding, including a threshing box. A rotating shaft is rotatably connected inside the threshing box. Two symmetrically distributed fixed discs are fixedly sleeved on the outer wall of the rotating shaft. Multiple evenly distributed toothed plates are fixedly connected between the two fixed discs. A feed inlet is provided at the upper end of the side wall of the threshing box. A guide arc plate is fixedly connected to the inner wall of the threshing box. A motor is fixedly connected to the bottom end of the inner wall of the threshing box. A fixed frame is fixedly connected to the side of the threshing box with the feed inlet. A first sliding plate is slidably connected to the inner wall of the fixed frame, and a thrust assembly is fitted between the first sliding plate and the fixed frame. A holding plate is fixedly connected to the first sliding plate, and a squeezing assembly is also provided on the first sliding plate. This utility model has the advantages of avoiding the injury to the human body caused by manually grasping wheat stalks for threshing and effectively improving work efficiency.

The present application relates to the technical field of agricultural machinery, and particularly relates to a double-system harvester for corn-soybean strip composite planting, which comprises a frame, a harvesting table, a corn conveying device, a soybean threshing system and a soybean conveying device; the harvesting table comprises a header support, a corn header and a soybean header; the header support is hinged to the frame and can swing up and down relative to the frame; the corn header is arranged on the header support; the corn header is at least one; the soybean header is arranged on the header support; the soybean header is at least one; the soybean header is arranged in parallel with the corn header; the corn conveying device is arranged on the frame and is used for conveying corn materials output by the corn header; the soybean threshing system is arranged on the frame and is used for soybean threshing and impurity removal; and the soybean conveying device is arranged on the frame and is used for conveying soybean materials output by the soybean header to the soybean threshing system. The present application can realize corn-soybean harvesting on the same machine.

The present invention relates to a rice seed dehulling and sorting device, and more specifically, to a rice seed dehulling and sorting device that improves work efficiency by allowing dehulling and sorting to proceed continuously by dehulling a dehulling machine for removing awns from rice seeds, and sorting chaff and husks from rice seeds from which awns have been removed through the dehulling machine, and then separating and discharging them through separate discharge lines. To this end, the present invention comprises a dehulling unit (10) for feeding rice seeds and removing awns from rice seeds, a conveying unit (20) for moving rice seeds discharged from the dehulling unit (10) to the upper side, and a sorting unit (30) for sorting and discharging rice seeds moved to the lower side through the conveying unit (20) into rice seeds, immature rice seeds, chaff, and husks. The dehulling unit (10) comprises a supply hopper (11) with an upper side open to feed rice seeds, and a falling... provided on the lower side of the supply hopper (11) The apparatus comprises a dehulling body (15) having a drive shaft and a plurality of blades inside a horizontal cylinder to remove awns from rice seeds, a discharge channel (15a) provided on the lower side of the dehulling body (15) to discharge rice seeds, and a first motor (17) mounted on a first ground support (19) provided on the lower side of the dehulling body (15) to rotate the drive shaft; the conveying unit (20) comprises a receiving hopper (21) that receives rice seeds dropped through the discharge channel (15a), a conveyor body (25) that moves rice seeds to the upper side of the receiving hopper (21), and a first hose (27) that moves rice seeds moved to the upper side through the conveyor body (25) to the lower side; and the sorting unit (30) comprises a downwardly inclined first-stage inclined body (41) that receives rice seeds fed through the first hose (27), and the It is composed of a downwardly inclined second stage inclined body (51) provided in the reverse direction at the lower end of the first stage inclined body (41), and a downwardly inclined third stage inclined body (67) provided parallel to the lower side of the second stage inclined body (51), and a first discharge path (43) for discharging rice seeds is provided at the lower end of the first stage inclined body (41).A second hose (45) for discharging chaff and husks separated from rice seeds is provided on the upper side of the first inclined body (41), a second discharge passage (52) for discharging immature rice seeds is provided on the lower side of the second inclined body (51), and a third discharge passage (59) for discharging husks is provided on the lower side of the third inclined body (67). The first discharge passage (43), the second discharge passage (52), and the third discharge passage (59) are provided on a second ground support body (31) in the form of a frame, a handle (35) is provided on the rear side of the second ground support body (31), a wheel (33) is provided on the rear lower side of the second ground support body (31), a connecting hole (21a) is vertically formed on the lower side of the side wall of the receiving hopper (21), and the passage gap of the connecting hole (21a) is adjusted. A rice seed sifting and sorting device is provided, characterized in that a spacing adjustment plate (22) is provided to slide on the upper side of a connecting hole (21a), a vertical elongated hole (22a) is formed on the spacing adjustment plate (22), and an adjustment bolt (23) is provided to be coupled to the vertical elongated hole (22a) to fix the position of the spacing adjustment plate (22).

The utility model belongs to the technical field of seed threshing equipment, and particularly discloses sunflower seed threshing equipment which comprises a shell, a first conveying belt is arranged on the front portion of the shell, an extrusion conveying belt is rotationally connected to the top of the shell, and a plurality of grabbing nails are fixedly connected to the extrusion conveying belt. A threshing sieve, a vibrating sieve and a guide plate are sequentially arranged below the extrusion conveying belt from top to bottom, the distance between the extrusion conveying belt and the threshing sieve is narrowed from front to back, a grating is arranged on the upper surface of the threshing sieve, and the front end of the threshing sieve is located behind the tail end of the first conveying belt. According to the sunflower threshing machine, the extrusion conveying belt is arranged, the grabbing nails are arranged on the extrusion conveying belt, sunflower plates can be moved conveniently, meanwhile, the grabbing nails have the fixing function and can assist sunflower threshing, the threshing sieve is arranged, the sunflower is threshed through left-right movement of the threshing sieve, the vibrating screen and the material guide plate are arranged, and the threshing effect is good. And the first conveying belt is arranged, so that a worker can conveniently turn over the sunflower discs on the first conveying belt.

1. Name of the designed product: cylinder (corn threshing). 2. Use of the designed product: the designed product is used for receiving whole corn delivered by screw auger and threshing the corn after two cylinders are rotated circularly. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

An agricultural machine includes a first threshing rotor and a second threshing rotor positioned adjacent to the first threshing rotor. Each threshing rotor is configured to rotate to process harvested crop. The agricultural machine includes first and second sensors configured to measure a parameter indicative of crop load on the first threshing rotor and on the second threshing rotor, respectively. The agricultural machine includes a controller configured to change distribution of harvested crop in the agricultural machine based on a comparison between the measured parameter received from the first sensor and the measured parameter received from the second sensor.

1. Name of the product in this design: Conveying primary threshing roller. 2. Purpose of this design: This design is used to assist in the feeding of gramineous crops and the initial threshing of gramineous crops by installing it in the feed hopper of a threshing device. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the key design points: Design 1 3D view. 5. Design 1 is designated as the basic design.

The application aims to provide a combine harvester state parameter detection test bench and method, which comprises a conveying belt, a control device and a combine harvester rack for placing a combine harvester; the combine harvester rack is internally provided with a power source of a threshing cylinder and a grain conveying auger, a power source of a fan and a power source of a cleaning sieve, which respectively drive corresponding parts in the combine harvester to conduct experiments; the combine harvester rack is further provided with a power source of an inclined conveyor, a power source of a wind deflector and a power source of a cleaning sieve opening, which respectively drive corresponding parts in the combine harvester to conduct experiments; the conveying belt is horizontally arranged, and a discharge end of the conveying belt is arranged in cooperation with a feeding end of the inclined conveyor of the combine harvester; and the application further comprises a detection system installed on the combine harvester rack and used for detecting state parameters of each part of the combine harvester in the experiment. The application can monitor state parameters of the combine harvester in real time and find optimal system parameters.

The invention relates to the field of tobacco industry intelligent manufacturing, in particular to a threshing and redrying processing parameter intelligent recommendation method and system based on multi-model machine learning and a storage medium, and the method comprises the steps: obtaining threshing and redrying historical processing data, and carrying out the preprocessing, and obtaining a processing data set; based on the processing data set, adopting multiple machine learning algorithms to train forward prediction models respectively; evaluating the performance of each forward prediction model by adopting a cross validation method, and selecting the forward prediction model with the optimal performance as a processing parameter prediction model; obtaining core machining parameters based on the machining parameter prediction model; and based on the core machining parameters, an optimization algorithm is adopted for parameter fine adjustment. According to the embodiment of the invention, the generalization ability and robustness of the prediction model are remarkably improved through a multi-model integration strategy, and the optimization dimension is greatly reduced through a core parameter screening mechanism based on feature importance.

This invention discloses a Sophora japonica bud threshing device and method. The threshing device includes a drum open at both ends, with a door cover at each opening. The drum wall has sieve holes and a toothed ring. A hopper is located below the drum, a support is provided around the drum, and a scraper is provided on the inner wall of the drum. The threshing method includes the following steps: 1) collecting and high-temperature treating the Sophora japonica buds; 2) threshing the Sophora japonica buds: the high-temperature treated Sophora japonica buds are fed into the threshing device of this invention for rolling threshing. Existing mechanized threshing of Sophora japonica buds is carried out while the buds are fresh, resulting in poor threshing efficiency. This invention adopts a method of high-temperature fumigation treatment of the Sophora japonica buds followed by mechanized threshing, and a threshing device is specifically designed for this purpose. This invention enables complete threshing of Sophora japonica buds. Compared with traditional methods that require manual kneading and beating to achieve complete threshing, the threshing operation of this invention is time-saving and labor-saving, and has good prospects for widespread application.

The utility model discloses a tobacco seed threshing device relates to threshing equipment technical field, including frame, the material conveying pipe is installed on the frame, and the one end top wall detachable connection of material conveying pipe has feeding hopper, and the bottom wall of other end of material conveying pipe has the discharge pipe, and the lateral wall of material conveying pipe and the side of discharge pipe close is set up and has the discharge port, the rotatable connection of material conveying pipe has the rotary shaft, and the rotary shaft is provided with screw conveyor section and air -blast section in proper order, and air -blast section corresponds with the discharge port, and the rubbing band rotatable connection is in the frame, and is located the below of material conveying pipe, and the rubbing band includes the first annular belt and second annular belt that are arranged in parallel up and down and move towards each other, and has the rubbing gap between the first annular belt and second annular belt, and the one end of rubbing gap corresponds with the export end of discharge pipe and communicates, and the first screen is installed on the frame, and the material is advanced through screw conveyor section, and air -blast section cooperates with the discharge port, and separates light impurity before threshing, and the rubbing gap is formed to rubbing band, and the traditional machinery is replaced by flexible extrusion.

The invention provides a cabbage head harvester with a variable-diameter leaf removing mechanism and a harvesting method. The problems that in the prior art, manual harvesting efficiency is low, and leaf removing cannot be adjusted in a self-adaptive mode according to crop sizes and irregular shapes in equipment harvesting are solved. Comprising a movable chassis, a leaf threshing and root cutting mechanism, a leaf removing mechanism and a material transferring mechanism, the movable chassis comprises a rack, and a middle through groove is formed in the front-back direction of the rack; the leaf threshing and root cutting mechanism comprises a leaf threshing assembly and a root cutting assembly, and the leaf threshing assembly and the root cutting assembly are connected into the middle barrel groove of the rack through the conveying mechanism. The leaf threshing assembly is located in front of the root cutting assembly. The leaf removing mechanism is located below the output end of the conveying mechanism. The material transferring mechanism comprises a material transferring plate and a material transferring assembly. When the material transferring assembly acts, the leaf-removed cabbage heads output from an outlet of the material transferring plate are conveyed into a material storage pool above the machine frame. The machine can not only improve the harvesting efficiency, but also adapt to green vegetable heads with different sizes and irregular shapes for leaf removal.