1469 results about "Threshing" patented technology

A concave includes a frame and an array of threshing elements supported by the frame, the threshing elements being spaced apart and extending generally parallel to one another. The threshing elements are configured in the form of round bars each having formed on an upper portion thereof disposed adjacent to an upper portion of the frame a longitudinally-extending notch respectively defining an aggressive threshing edge. The spaced apart relationship and round configuration of the threshing elements reduce plugging of the concave. The threshing edges facing in a direction opposite to the direction of crop material flow restrict crop material flow and thereby enable more effective threshing.

The invention discloses a maize thresher. The maize thresher comprises a machine frame, a motor, a threshing fluted disc (1), a centering sleeve (2), a push rod (3), a helical wheel (4) and a hopper (5). The centering sleeve is arranged between the threshing fluted disc and the push rod. The push rod is arranged on a sliding table driven by the helical wheel. The motor drives the threshing fluted disc and the helical wheel to rotate respectively. A maize cob clamping mechanism is arranged at the front end of the push rod. The threshing fluted disc, the centering sleeve and the push rod are coaxially aligned. An outlet of the hopper is aligned to a zone between the threshing fluted disc and a locating sleeve. According to a maize threshing method disclosed by the invention, maize cobs are pushed into the rotating threshing fluted discs by passing through the centering sleeve by the push rod, maize seeds are separated from the maize cobs by a tangential force generated between the teeth of the threshing fluted disc and the maize seeds, the maize is threshed completely in a rotary extruding way, and the maize seeds and the threshed cobs are intact. According to the invention, the separated maize seeds are clean and free of residues, the maize cobs are intact and easy to collect, and the maize thresher is simple in structure, small in threshing power, energy-saving and environment friendly, and suitable for families and enterprises.

The invention discloses a corn thresher with drying and screening. B. Driven pulley, heating plate, belt, elastic telescopic rod, filling door, filling hopper, motor B, driving pulley, filter screen, air outlet pipe, threshing rod, roller, threshing box, sorting plate, roller , slide rail, corn collection box, cob core collection box, and material retrieving door; the invention adds a heating plate before threshing, which can dry corn cobs, facilitate threshing, and has a sorting board after threshing, which can sort out Corn kernels with different diameters can be used in different categories. There is a shell outside the threshing device, which can effectively reduce dust entering the atmosphere, protect the environment and prevent operators from absorbing a large amount of dust.

The invention provides four (4) methods to reduce stalk shear in a corn head row unit that utilizes a non-variable or dependent drive system. The four methods described include altering the gearbox ratio, increasing the lengths of the fluted portion of the stalk roll, increasing stalk roll diameter or reducing the size of the gathering chain drive sprocket. The invention allows for a more balanced application of multi directional energy to be applied to the corn plant. The resultant effect is to reduce stalk shear which reduces trash intake to the harvester. This novel idea provides the first means and method to which genetically improved taller and healthier corn plants can be harvested with minimal amounts of material other than ears ultimately being transferred to the threshing unit.

The invention discloses a sunflower threshing device with functions of drying and screening. The device comprises a threshing box, a limit sleeve is fixedly installed on the left side wall of the threshing box in a horizontal and run-through manner, the inner side wall of the limit sleeve is provided with clamping slots, and the interior of the limit sleeve is slidingly provided with a slide rod; a driven belt wheel is fixedly installed at the right end of a driven shaft in a coaxial manner, and a drive belt is arranged between the driven belt wheel and a driving belt wheel in a twining manner; the interior of the threshing box is sequentially provided with a first screening board and a second screening board from the top to the bottom, the interior of the threshing box is horizontally and rotatingly provided with an auger conveyor, and the right end of the auger conveyor is connected with a conveying electrical machine; and the right end of a driving shaft is provided with a triangular cam, and the triangular cam abuts against the upper surface of the first screening board. The device is ingenious in structure, by rotating a hand wheel, the device can realize distance adjustment between a press board and a threshing block according to thickness of a sunflower plate, guarantees stress contact between the threshing block and the sunflower plate, improves a threshing effect of sunflowers, and is high in adjustability and adaptability.

The invention relates to the technical fields of formula threshing and redrying in the tobacco industry, in particular to a box-type formula technology of a tobacco threshing and redrying production line. The box-type formula technology is a machining technology characterized in that the raw tobaccos in different types, different odor types, different producing areas and different grades are automatically proportioned according to the formula through the operations that tobacco leaves are boxed according to each specie according to the modulus theory, then a tobacco box formula module is constructed and temporally stored according to the box-type storage technology, the tobacco boxes leave the storage according to the formula module, the tobacco boxes are turned over, a shuttling materialdistribution car distributes materials according to a uniform amplitude elongated shape, the tobacco leaves are stored according to the module, a cross section discharges materials and the like. According to the technology, the tobacco materials are automatically and precisely proportioned according to the formula, the product quality is effectively reviewed, and the evenness of the raw tobacco mixed material the quality of the flaky tobacco product and the machining flexibility and efficiency of the production line are greatly improved and enhanced.

The invention discloses a flexible-tooth threshing system with an adjustable threshing gap. The flexible-tooth threshing system comprises a threshing roller arranged on a rack and a concave grid, wherein the threshing roller is arranged in a threshing chamber, and comprises two gap regulating end plates fixedly arranged on roller shafts; a plurality of threshing tooth fixing rods with flexible threshing spike teeth are arranged between the two gap regulating end plates; a feeding auger which is distributed in a spiral manner is arranged on the roller shaft at the input end of the threshing roller; a feeding hole is formed in a roller housing corresponding to the feeding auger; a plurality of grass discharging plates are distributed on the roller shaft at the output end of the threshing roller; a straw outlet is formed in the roller housing corresponding to the grass discharging plates. The flexible-tooth threshing system with the adjustable threshing gap disclosed by the invention is used, so that acting time of crop silique on the flexible threshing spike teeth is prolonged, instant impact force is lowered, and crushing rate of rapeseeds can be lowered; meanwhile, the gap between the threshing roller and the concave grid is adjustable, and therefore, the flexible-tooth threshing system can meet threshing requirements varies by physical characteristics of a to-be-threshed material, and improves adaptation to the threshing material.

The invention relates to a threshing separation cylinder, a threshing separation device including the threshing separation cylinder and a combine harvester. The threshing separation cylinder is provided with a spin axis and comprises an truncated cone part and a cylindrical part in an axially flowing axis AA' direction in the threshing separation device respectively, wherein the truncated cone part comprises an truncated cone main body, the small diameter end part of the truncated cone main body is at the front end part of the threshing separation cylinder, the truncated cone main body is extended from the small diameter end part along the spin axis direction, the cylindrical part is extended from the big diameter end part of the truncated cone part to the rear end of the threshing separation cylinder along the spin axis of the threshing separation cylinder, wherein helical blades and corn adjusting components are arranged on the truncated cone main body. Separating teeth including spike teeth, bar teeth, plate teeth and arch teeth are arranged on the cylindrical part.

The invention relates to a large-feed-amount crawler-type cutting cross-flow multi-roller combined harvester. The large-feed-amount crawler-type cutting cross-flow multi-roller combined harvester comprises a material cutting and conveying system, a threshing, separating and sorting system, a chassis traveling system, a power system and other auxiliary executing devices. A stepped cutting cross-flow multi-roller threshing and separating mode is adopted, so that crops move smoothly, the feed amount is large, and grains can be threshed, separated, sorted and collected and straw can be crushed and thrown after the crops are cut, conveyed and fed. The harvester is provided with a load test system, so that the load of main working parts when the harvester works in a field can be tested, and the acquired data are processed and analyzed by a signal receiving and processing system. A field loss detecting and material receiving device is arranged at the back of the harvester, so that materials can be received conveniently and field loss data can be acquired. According to the harvester, the harvesting requirement of large feed mount of the crops can be met, the efficiency is high, the threshing and separating capacity is high, the grain loss is low, and the field harvesting performance of the main working parts can be tested.

A threshing section of an agricultural harvester. The threshing section includes a threshing drum and at least one concave assembly positioned proximate to the threshing drum. The concave assembly has a plurality of modularized assemblies, each modularized assembly being independently configurable.

The invention discloses a corn thresher comprising a feeding trough, threshing rollers, a vibrating screen, a cleaning fan, a motor and a rack. The corn thresher is characterized in that a front threshing roller and a rear threshing roller are arranged in parallel; the surface of the front threshing roller is provided with evenly-distributed spiral threshing corrugated tendons; a spiral grid notch board is arranged below the front threshing roller; a machine cover is arranged above the front threshing roller; a buffer cover board is hinged below the feeding windward of the machine cover and is connected with a buffer spring; the surface of the rear threshing roller is provided with spirally-arranged nail teeth; parallel grid notch boards are arranged below the rear threshing roller; and the machine cover is arranged above the rear threshing roller. The corn thresher has the advantages that the corn thresher can directionally feed without impact, flexibly rubs in sequence, threshes differentially by double rollers, has small damage on corn seed particles, has the advantages of high threshing rate, low breakage rate, compact structure, and wide applicability, is convenient to use and adjust, and can simultaneously satisfy requirements on commodity corn threshing and seed corn threshing.

The invention relates to a shelling method for fresh corn kernels and a quickly frozen fresh corn kernel sheller. The invention relates to the shelling method and the sheller. The invention solves the problem that the prior common grain sheller can not shell the fresh corn kernels. The shelling method comprises the following main steps: the fresh corn kernels are selected, stored and shelled in an environment of -40 to -30 DEG C and shelled after enzyme deactivation treatment and threshing; and the temperature in a grind cavity of the quickly frozen fresh corn kernel sheller is kept below -5 DEG C and chaff is removed. A grinding wheel (5) is arranged inside a grinding vessel (6); and at least one cooling air inlet (4) is arranged on a sealing cover (3). The fresh corn shelled through the method has good shelling effects and does not lose the nutrition of the fresh corn; the quickly frozen fresh corn kernel sheller is provided with the cooling air inlet, thereby having good heat dissipation effect, ensuring that the quickly frozen fresh corn kernels are not unfrozen by frictional heat during the process of shelling through mechanical friction, and consequently ensuring the hardness of the quickly frozen fresh corn kernels.

The invention provides a diameter-adjustable corn threshing and flow cutting roller. The roller comprises a rotary shaft, a bearing seat, a spoke disk, a connecting seat, a supporting rod, threshing rod teeth, an upper cover plate and a lower concave plate. The roller is characterized in that the rotary shaft is matched with the bearing seat, the spoke disk is connected with the rotary shaft in a key connection mode, the connecting seat is connected with the spoke disk through bolts, the supporting rod is connected with the connecting seat in a welded mode, the threshing rod teeth are connected with the supporting rod in a welded mode, and the upper cover plate and the lower concave plate are connected through bolts after being aligned. The roller has the advantages that the structure is simple, blockage in the threshing process can be effectively prevented by adjusting the threshing gap, so that the grain damage rate and machine fault rate are reduced, efficient corn threshing can be realized, and the roller can be widely applied to agricultural production.

The invention relates to the field of agricultural machinery, in particular to a half-feeding combine harvester threshing and separating device with a revolving concave grid, which is mainly applied to a half-feeding paddy rice combine harvester and is used for enhancing the threshing and separating capabilities, increasing the granule threshing rate, greatly lowering the blockage probability of a threshing device and increasing the production efficiency during operation of the half-feeding paddy rice combine harvester. The half-feeding combine harvester threshing and separating device mainly comprises a left wall plate, a porous plate, a right wall plate, a V-shaped belt transmission assembly, a revolving concave grid assembly and a threshing drum. The half-feeding combine harvester threshing and separating device is reasonable in structure; crops are prevented from being accumulated in the threshing device and causing blockage due to revolving motion of a concave grid surface during operation, the threshing and separating capabilities are enhanced, and adaptation to harvesting of high-yield crops in a wet environment is realized; the upper layer surface of the concave grid moves at a certain linear speed, so that combing and threshing are realized on the upper and lower layers of the crops, overhead and bent grains are combed and threshed, and the loss caused by incomplete threshing is reduced.

The invention relates to an automatic measurement device of rice parameters, and a method thereof. The device is controlled by a preset computer; a single-plant threshing instrument is used for threshing rice spikes; the grain falls onto a belt through the single-plant threshing instrument and a straight groove type interface; the running belt is used for separating the grain; an X-ray imaging system is used for shooting a X-ray transmission map; a computer is used for processing the images so as to acquire the parameters of the rice. The automatic measurement device adopts the X-ray imaging method; the digital image processing technology is used for processing the shot images so as to acquire the parameters of the rice; the threshed grain needs no decladding treatment; the threshing and the parameter extraction are integrated into one system; and the automatic measurement device has the advantages of non-destructive installation, accurate and reliable measurement results, simple operation, and so on.

The invention relates to an efficient and energy-saving threshing and air separation process and equipment, belonging to the technical field of tobacco material air separation processes and equipment. Four air pressure type double-storehouse air separators are arranged between a first-stage threshing unit and a second-stage threshing unit and connected with one another in parallel, two air pressure type three-storehouse air separators are arranged between the second-stage threshing unit and a third-stage threshing unit and connected with each other in parallel, and air pressure type three-storehouse air separators are arranged between the third-stage threshing unit and a fourth-stage threshing unit as well as behind the third-stage threshing unit and the fourth-stage threshing unit and connected with each other in series. Materials are conveyed by a conveying belt and a vibration groove instead of a conventional air pipeline, so that the materials are not easy to block, the temperature and moisture loss of the materials are reduced, the grinding probability of the materials due to drying is reduced, the transmission power is low, the energy consumption and the noise are greatly reduced, and the large-medium sheet rate of discharged tobacco sheets is increased.

The invention provides a wheat flour cleaning production process and relates to the technical field of grain processing and production. The wheat flour cleaning production process comprises the following processing steps: preparation, cleaning, grinding and the like, wherein the cleaning processing step comprises primary cleaning, fine cleaning, wheat threshing, primary moistening, brushing, wheat wetting, stone removing, wheat threshing, brushing, color selecting, sterilization and the like. The wheat flour cleaning production process emphasizedly solves the problem that finished wheat flour as wheat contains pesticide residues (toxic residues), chemical residues (toxic residues), mildew, pathogenic microorganisms and various impurities, and also solves the problem of secondary pollution of the products caused in processing and producing through combining the production of common powder and special powder, a wheat path and a powder path are scientific in design, the process is reasonable, and the production cost is low, so that the wheat flour cleaning production can be achieved, and the quality safety of wheat processed products can be guaranteed.

The present invention relates to a tangential feeding axial-flow threshing separation equipment. Its threshing element adopts short threaded rod-toothed bar combination structure, said short threaded rod is mounted on the threaded rod seat, the toothed bar is positioned at one side of threaded rod seat, its recessed plate adopts grid sieve and punching sieve combination structure, the above-mentioned two structures can be matched with threshing drum so as to implement threshing and separation of crops. Said invention can be used for threshing and separation of several crops of rice, wheat, rape and soybean, etc.

The invention belongs to a grouping use method of different slitting areas of tobacco leaves in blend threshing.The grouping use method includes following steps: 1, transversely slitting the tobacco leaves into a leaf tip slitting area, a leaf middle slitting area and a leaf base slitting area sequentially; evaluating and scoring appearance quality, physical index, chemical ingredient coordination index, sensory quality and danger index of each slitting area; 3, calculating a comprehensive quality score of each slitting area according to a formula: W=0.1A+0.2B+0.2C+0.3D-0.2E, W refers to the comprehensive quality score of each slitting area, A refers to an appearance quality score, B refers to a physical index score, C refers to a chemical ingredient coordination index score, D refers to a sensory quality score, and E refers to a danger index score.The different slitting areas are utilized to group tobacco leaf raw materials, so that using value of the raw materials is increased, unnecessary waste is reduced, and the bottleneck that raw materials of high-grade cigarettes are in short supply.

The invention discloses a device integrating rice and wheat harvest and straw carbonization and returning to fields. The device integrating rice and wheat harvest and straw carbonization and returning to the field comprises a rice and wheat harvest threshing and straw cutting device and a straw carbonization and flue gas cleaning device. The rice and wheat harvest threshing and straw cutting device is composed of a cutting table, a feeding pipe and a grain bin, and the straw carbonization and flue gas cleaning device is composed of a rotating drying furnace, a gas cleaning chamber, a gas conveying pipe, a chimney, a feeding pipe, a draught fan and a carbonization chamber. The device integrating rice and wheat harvest and straw carbonization and returning to the field is high in carbonizing efficiency, can finish rice and wheat harvest and straw carbonization and returning to field simultaneously, and reduces transportation cost.