26results about How to "Improve threshing effect" patented technology

The invention relates to the field of agricultural machinery, and discloses a rice threshing device with a drying function, comprising: a crushing assembly used for preliminarily separating harvested rice so as to provide convenience for subsequent threshing operation; the extrusion assembly can automatically turn over rice to be threshed, and the double-face threshing function is achieved; the crushing assembly is used for crushing rice, the drying assembly is used for removing waste and dust generated in the threshing process and drying the threshed rice through a heating function, and the driving assembly is used for driving the crushing assembly and the telescopic assembly to synchronously operate to ensure that the threshing process is efficiently carried out; and the screening assembly is used for screening the threshed rice and waste materials generated in the threshing process, and further separation of the materials is achieved. Preliminary crushing is firstly carried out through the crushing assembly, the extrusion assembly achieves double-face extrusion through hydraulic control, it is ensured that grains fully fall off, the telescopic assembly can accurately adjust the threshing strength according to the variety and maturity of different rice, and the threshing efficiency is improved to the maximum extent.

The utility model provides a corn thresher capable of reducing abrasion of a corn baffle on a threshing side and improving threshing efficiency and effect, and relates to the technical field of agricultural machinery. The corn thresher comprises a threshing bin and at least one threshing roller arranged in the threshing bin, the threshing bin comprises a corn baffle and a cover plate, the corn baffle is arranged on the side face of the threshing roller, the corn baffle is covered with the cover plate, the corn baffle and the cover plate define the threshing bin, the corn baffle is provided with a material blocking part bent towards the interior of the threshing bin, and the material blocking part is arranged on the threshing bin. Protruding threshing strips are installed on the inner side face of the material blocking part of the corn baffle on the threshing side. The service life of the rice baffle is prolonged.

The invention discloses a threshing device for a rice harvester, and relates to the technical field of harvesters, the threshing device for the rice harvester comprises a mounting frame, a rotating shaft and a plurality of groups of discs fixed outside the rotating shaft, and a plurality of groups of long rods are fixedly arranged outside the discs; through the designed cleaning mechanism, after stems and leaves in some rice and weeds in a rice field are wound on threshing teeth in the rice threshing process, pushing rings arranged on the threshing teeth synchronously move to push the wound stems and leaves and weeds to the outer side, so that the stems and leaves and the weeds are separated from the threshing teeth; the pushing ring cuts off the stems, the leaves and the weeds through the annular blades in the process of pushing the stems, the leaves and the weeds outwards, so that the wound stems, the leaves and the weeds can be quickly separated from the threshing teeth, the stems, the leaves and impurities on the threshing teeth can be conveniently cleaned, and the threshing effect and the threshing quality of the threshing device on rice are improved; and automatic cleaning can be carried out without shutdown, and cleaning is convenient and fast.

The invention discloses a portable rice and wheat combine harvester which is mainly used for scientific researchers to collect a small amount of rice and wheat or similar crop samples. The device comprises a harvesting part, a threshing and cleaning part, a backpack type negative pressure storage part and a power system. The harvesting part is used for shifting rice and wheat ears into the cutting mechanism through an ear shifting mechanism to cut off ear stems and sending the ear stems into the threshing and cleaning part, the threshing and cleaning part is used for threshing and cleaning the ears through a rotating threshing roller and a fan, and the backpack type negative pressure storage mechanism is used for extracting threshed and cleaned grains through a fan and a conveying hose, removing impurities and storing the grains. The device is compact in structure, light in weight and convenient to carry, disassemble, assemble and clean through modular design, and meets the sampling requirements of various crops. The equipment is simple to operate, can efficiently complete the whole process of harvesting, threshing and storing, is high in sample purity and cleanliness, is low in loss, remarkably reduces the labor intensity, improves the working efficiency, and can be widely applied to the fields of agricultural scientific research, breeding tests, germplasm resource protection and the like.

The present invention belongs to the technical field of pepper processing, specifically a pepper flower stamen thresher, comprising a box, a feed hopper is fixed on the top of the box, a roller is rotatably installed on the lower side of the inner cavity of the box, a plurality of evenly distributed crushing plates are fixed on the outer wall of the roller, a screen is fixed on the lower side of the roller and is inclined along the width direction of the box, a first discharge hole is opened on the lower side of one side wall of the box, and an inclined plate is fixed on the inner wall of the box corresponding to the first discharge hole. The present invention dries the stamens by using a drying mechanism after introducing the stamens into the inner cavity of the box, the stamens slide on the hollow plates, and the first electric heating wire in the inner cavity of the hollow plates can be used to heat the stamens, so that the heat dries the stamens, and after double drying on two hollow plates, the stamens are introduced to the rollers for crushing, so that the dryness of the crushed stamens can be guaranteed, thereby ensuring the separation effect, and effectively avoiding the situation where the dryness is insufficient and adhesion affects the separation effect.

The utility model discloses a millet harvesting thresher, including mobile car, be provided with the thresher subassembly on the mobile car, the thresher subassembly includes thresher cylinder, second motor, driving wheel, driven wheel and transmission belt, the thresher cylinder sets up on the mobile car, second motor fixed mounting is on the mobile car, the driving wheel is connected in the output of second motor, the driven wheel rotatoryly connects on the thresher cylinder, transmission belt transmission is connected on the driving wheel and driven wheel, one end of mobile car sets up in the filter component, the filter component includes fixed frame, mobile frame and filter plate, the fixed frame installs on the mobile car, mobile frame slidingly connects on the fixed frame, the filter plate installs on the mobile frame, to solve the operation of the thresher process in the background art not enough convenient technical problem.

This invention relates to a hydraulic control system and method for a harvester drum concave plate gap floating mechanism and a drum assembly. The hydraulic control system for the harvester drum concave plate gap floating mechanism includes a concave plate gap adjusting cylinder, a hydraulic pump, and an accumulator. The cylinder barrel of the concave plate gap adjusting cylinder is hinged to the harvester body, and the piston rod of the concave plate gap adjusting cylinder is hinged to the concave plate. The hydraulic pump is connected to the concave plate gap adjusting cylinder through a cylinder drive pipeline. A two-position three-way solenoid directional valve and a two-position two-way one-way shut-off valve are provided on the cylinder drive pipeline along the hydraulic oil flow direction. The hydraulic pump is connected to the accumulator through an accumulator pipeline. A first one-way valve and a second one-way valve are provided on the accumulator pipeline along the energy storage direction. A first pressure relief pipeline connecting back to the oil tank is also connected to the accumulator pipeline between the first and second one-way valves. A first relief valve is provided on the first pressure relief pipeline. The concave plate gap adjusting cylinder is connected to the accumulator pipeline between the first pressure relief pipeline and the second one-way valve through a second pressure relief pipeline.

The utility model discloses a rice thresher which comprises a threshing box, the bottom of the threshing box is fixedly connected with a supporting frame, a feeding port is formed in the front position of the top end of the threshing box, a beating mechanism is arranged in the threshing box, and the beating mechanism comprises a threshing motor, a first threshing roller and a second threshing roller. The first threshing cylinder and the second threshing cylinder are rotationally connected and installed at the front position and the rear position in the threshing box through bearings respectively, the threshing motor is installed on one side of the threshing box through a supporting plate, and a crankshaft of the threshing motor is in transmission connection with the first threshing cylinder and the second threshing cylinder through a transmission wheel set. A sieve plate matched with the threshing cylinder I and the threshing cylinder II is arranged in the threshing box; according to the rice thresher, rice straw is prevented from flying out at will, follow-up centralized cleaning is facilitated, broken leaf impurities in rice seeds can be screened conveniently during threshing, and the threshing effect is improved.

The utility model discloses a spiral step arch tooth roller which comprises a feeding head disc and a discharging head disc, a central pipe is connected between the feeding head disc and the discharging head disc, an installation disc is arranged on the central pipe, a plurality of long tooth rods are connected between the installation disc and the feeding head disc, and the long tooth rods are connected with the feeding head disc. Each long toothed bar is obliquely distributed in the central axis direction of the feeding head disc and the mounting disc, a plurality of long threshing teeth are distributed on each long toothed bar at equal intervals, and a plurality of short toothed bars are connected between the discharging head disc and the mounting disc. Each short toothed bar is obliquely distributed in the direction of the central axis of the discharging head disc and the central axis of the mounting disc, a plurality of short threshing teeth are distributed on each short toothed bar at equal intervals, and the ends of the long threshing teeth and the ends of the short threshing teeth are bent. Compared with the prior art, the corn thresher has the advantages that the corn thresher is excellent in structural strength, threshing efficiency, cleaning performance and the like, and threshing operation is remarkably improved and facilitated.

This invention relates to an elephant grass seed threshing device, comprising a frame, a storage device, a feeding device, a threshing device, a dehulling device, and a screening device. The threshing device includes a support, a threshing mechanism, and a threshing conveying mechanism. The threshing mechanism includes threshing rollers arranged vertically and a threshing drive mechanism. Multiple sets of threshing components are arranged on the threshing rollers. The threshing components on the upper and lower threshing rollers are staggered. When the feeding device delivers elephant grass inflorescences into the threshing device, the bottom of the inflorescence passes through the threshing mechanism first and then enters the threshing conveying mechanism. The threshing conveying mechanism includes conveying rollers arranged vertically and a threshing conveying drive mechanism, wherein the linear velocity of the conveying rollers is greater than the linear velocity of the threshing rollers. This elephant grass seed threshing device can automatically thresh elephant grass seeds, achieving a higher degree of automation.

The invention discloses a herbal pill processing device for traditional Chinese medicine processing, and particularly relates to the technical field of herbal medicine processing.The herbal pill processing device comprises a first base, a collecting mechanism is fixed to the upper end of the first base, a second base is fixed to the outer side of the collecting mechanism, a motor is inversely installed on the rear side of the top of the second base, and a gear is installed at the load end of the motor; and a balling part is installed in the middle of the top end of the second base, an extrusion mechanism is installed at the top of the balling part, and a hydraulic cylinder is installed at the top of the outer frame. According to the traditional Chinese medicine pill processing device for traditional Chinese medicine processing, the air bag is used as a main extrusion structure, after the air pressure of an inner cavity of the air bag is increased, the air bag can be evenly expanded towards the outer side, and raw materials are evenly extruded towards the outer side from inner cavities of the multiple extrusion holes; and then the pills are matched with the cutting and conveying spiral strip to scrape off the pills in time, so that the size of each pill can be basically the same, and the working efficiency is improved.

The utility model relates to the field of agricultural mechanical equipment, in particular to a threshing machine. A feeding groove is connected to the side of the front end of the threshing cavity, a straw discharging opening is connected to the side of the rear end of the threshing cavity, a supporting net is arranged on the inner side of the threshing cavity, a rotating shaft, a draught fan for driving threshing and the rear portion are arranged in the threshing cavity in the front-back direction, and a plurality of driving wheels are arranged in the portion, located in the threshing cavity, of the rotating shaft. The rear side of the draught fan is connected with an air suction piece, an opening of the air suction piece faces downwards, and a wind power adjusting plate used for adjusting the suction force is arranged on the air suction piece. A detachable vibrating screen and a vibrating mechanism for driving the vibrating screen to vibrate are mounted on the frame body and below the threshing cavity; dual wind power adjustment is designed, so that the device can be suitable for grains with different weights, dust and sundries can be sucked out, and mistaken discharge of grains is reduced; the vibrating screen capable of being quickly replaced is designed, so that the vibrating screen is suitable for grain particles of different sizes; the smashing knife is designed, straw winding and blocking are prevented, and the use efficiency is guaranteed.

This utility model relates to the field of threshing drum technology for seed harvesters, and particularly to a low-breakage threshing drum device for seed harvesters. It includes two fixed discs (first type), with multiple toothed rods arranged in a ring array between the first type of fixed discs. Multiple second fixed discs (second type) are symmetrically fitted onto the toothed rods, each toothed rod having multiple spiked teeth arranged in a ring array. Multiple through slots are arranged in a ring array on each second fixed disc, and cylinders are fixedly mounted on the inner walls of each through slot. The output ends of the cylinders are fixedly connected to adjacent toothed rods. Rotating rods are fixedly embedded through both first fixed discs, with through-wire channels extending through the rotating rods. Through holes matching the rotating rods are fixedly embedded through each second fixed disc. This utility model allows for easy disassembly and replacement of the spiked teeth, and facilitates adjustment of the device according to the crop, reducing grain breakage and improving the threshing effect and practicality of the device.

This invention discloses a double longitudinal axial flow drum with adjustable threshing section gap, including a threshing section gap adjustment mechanism, a concave sieve, a cover plate, a double longitudinal axial flow drum, and a frame. The threshing section gap adjustment mechanism includes a rotating fixed rod, a bevel gear system, a rotating main shaft bearing seat, a rotating fixed block, a bearing assembly, a cam storage box, a cam, a motor transmission gear, a rotating main shaft, and a cam top cover. The double longitudinal axial flow drum with adjustable threshing section gap uses a servo motor to drive the cam to perform circumferential motion, which is converted into the up-and-down motion of the grid-type concave plate. This changes the gap between the grid-type concave plate and the flexible short-grooved variable-diameter threshing drum, realizing accurate adjustment of the local threshing gap of the double longitudinal axial flow drum. It adapts to real-time changes in crops with different moisture contents, feed rates, and drum speeds, reducing the grain breakage rate.

The invention relates to the technical field of rice threshing equipment, in particular to a laboratory breeding thresher for cultivating japonica rice germplasm resources, which comprises a bearing bracket, a plurality of single ear threshing modules and a driving module, the plurality of single ear threshing modules are arranged on the bearing bracket; the driving module is arranged on the bearing support, connected with the single-ear threshing modules and used for driving the single-ear threshing modules to conduct threshing processing on rice plants. According to the single-spike threshing device, the multiple single-spike threshing modules are arranged to conduct fixing and threshing processing on the multiple rice plants, the single-spike threshing effect of the rice plants is ensured, and the defect that in the prior art, the single-spike threshing effect of rice threshing equipment is poor is overcome.

The present invention proposes a coix threshing tester, comprising a shell, the upper half of the shell is a threshing working part, a threshing drum arranged horizontally is rotatably connected in the threshing working part, a threshing tooth is detachably connected to the side wall of the threshing drum, the threshing drum is equipped with several threshing teeth, the top of the shell is an upper semi-cylindrical top cover, a feeding port is arranged on the top cover, an observation window is arranged on the top cover, a lower semi-cylindrical screen is arranged on the lower side of the threshing drum, a vibrating screen is arranged below the screen; a receiving hopper is arranged below the vibrating screen, the hopper caliber is fixed on the inner wall of the shell around, the lower end of the receiving hopper is connected with a discharge channel extending to the outside of the shell; a variable frequency speed regulating motor is arranged below the receiving hopper, the driving end of the motor extends out of the shell, the rotating shaft of the threshing drum also extends out of the shell, and is connected to the driving end of the motor through a first transmission mechanism. The threshing method suitable for coix can be tested and then produced, thereby improving the coix threshing effect.

The utility model relates to the field of threshers, in particular to a multifunctional thresher. The threshing machine comprises a supporting frame, a box body, a threshing roller assembly, a filter screen assembly, a material and slag separating mechanism and a driving mechanism. The box body is arranged on the supporting frame, and a feeding port and a discharging port are formed in the two ends of the top in the horizontal direction respectively. The threshing cylinder assembly comprises a threshing cylinder a and a threshing cylinder b which are rotationally arranged on the box body side by side, and the feeding port, the threshing cylinder a, the threshing cylinder b and the discharging port are sequentially distributed; the filter screen assembly is arranged on the box body and located below the threshing roller assembly, and the inner space of the box body is divided into a threshing bin and a storage bin from top to bottom. The material and slag separating mechanism is used for separating powder and slag from the threshed materials; the driving mechanism is arranged on the supporting frame and used for driving the threshing roller a, the threshing roller b and the material and slag separating mechanism to operate. The threshing machine can be used for threshing various crops and screening out powder residues, so that the threshing effect is ensured.

This utility model discloses a height adjuster for the threshing bin of a corn thresher, belonging to the technical field of corn threshers, and is mainly used to adjust the height of the threshing bin in a corn thresher. The technical problem to be solved by this utility model is to provide a height adjuster for the threshing bin of a corn thresher, including a frame, a threshing bin, a compression spring, a pressure plate, a limiting member, and a rotating rod. From bottom to top, the compression spring, pressure plate, transmission guide, and limiting member are arranged sequentially above the threshing bin. The rotating rod passes through the limiting member and is connected to it via transmission. The lower end of the rotating rod is connected to a transmission guide mechanism. The transmission guide mechanism includes guide parts with a high end and a low end, with a smooth transition guide surface between the high end and the low end. The guide surface abuts against and cooperates with the lower surface of the limiting member. At least two guide parts are arranged circumferentially around the rotating rod, with the high end of one guide part adjacent to the low end of another adjacent guide part. This threshing bin height adjuster stably adjusts the size of the threshing bin and reduces the impact of vibration on the height adjuster.

The present invention discloses a harvesting, crushing and stubble-killing integrated machine, comprising a main body, on which a cutting table assembly, a threshing assembly and a stubble-killing assembly are arranged, the threshing assembly comprises a threshing body, on which a main threshing drum, a main concave mesh screen, a vibrating screen, a first cleaning fan mechanism, a second cleaning fan mechanism, a threshing augers, a secondary threshing augers assembly, a secondary threshing drum and a secondary threshing concave mesh screen are arranged; the stubble-killing assembly is arranged at the lower part of the main body, and comprises a stubble-killing frame, a stubble-killing rotating shaft and a stubble-killing knife assembly connected in a matching manner. Compared with traditional harvesters, the present invention can help farmers achieve high stubble-retaining operations, with a significant reduction in the amount of feed, a significant reduction in the grass-grain ratio, a threshing load of only 60% of normal operations, a significant reduction in the entrainment of rice straw with grains, a better threshing effect and a higher efficiency, and the threshing effect is enhanced, the threshing efficiency is improved, and at the same time, the remaining straw can be crushed and stubble-killing processed to achieve straw return to the field.

The utility model discloses a sunflower harvesting and threshing machine, including opposite setting bridge side plate and setting in the threshing assembly between bridge side plate, the threshing assembly is used for realizing the harvesting and threshing of sunflower, the lower portion of bridge side plate is equipped with transport module, the threshing assembly includes power roller and bridge roller, a plurality of power roller interval through setting between bridge side plate, the protruding end of power roller one side is equipped with the sprocket no.

The invention discloses a ratooning rice threshing device and a combine harvester, and relates to the technical field of agricultural machinery, and the ratooning rice threshing device comprises a pre-threshing section and a threshing section which are connected with each other; the pre-threshing section comprises a pre-threshing roller, wherein flexible soft teeth are fixedly arranged on the peripheral face of the pre-threshing roller, and the flexible soft teeth are arranged in a radial mode in the radial direction of the pre-threshing roller. The flexible soft teeth comprise straight teeth and bent teeth, and bent parts are arranged at the ends, away from the pre-threshing roller, of the bent teeth and intersect with the straight teeth; first threshing gaps are formed between the straight teeth and the bent teeth, and the first threshing gaps are smaller than the average diameter of a threshed product. According to the invention, the pre-threshing section with the flexible soft teeth is arranged in front of the threshing section, so that grains which are easy to fall off are threshed, pre-threshing is carried out, and the threshing effect is improved. The flexible soft teeth are arranged to be in a straight tooth form and a bent tooth form, in the threshing rotation process, the straight teeth and the bent teeth which intersect with each other can generate a rubbing action better, and more grains can be threshed as much as possible on the premise that the integrity of the grains is effectively protected.

The utility model relates to a double-differential-speed axial flow roller threshing and separating mechanism and a grain harvesting machine, and the double-differential-speed axial flow roller threshing and separating mechanism comprises a threshing roller, a threshing concave plate, a separating roller, a separating concave plate assembly and a separating roller shaft, the threshing concave plates sleeve the outer side of the threshing roller at intervals, outer gear rings are arranged on the outer surfaces of the threshing concave plates, and the separation concave plate assemblies sleeve the outer side of the separation roller at intervals; the separation drum shaft is coaxially sleeved in the separation drum and the threshing drum, one end of the separation drum shaft is fixedly connected with the separation drum, and the position close to the other end of the separation drum shaft is rotatably connected with the threshing drum; the separating roller is in differential transmission connection with the threshing roller through the inner gear assembly. Sundry accumulation on the threshing chopping board can be reduced, the threshing efficiency and the threshing effect are improved, meanwhile, the rotating speed of the threshing cylinder is reduced through relative movement, the load of the cylinder is reduced, and the service life of the machine is prolonged.

The utility model relates to the technical field of pepper processing, in particular to a fresh pepper particle removing device which comprises a base and a mounting frame, a screening barrel is fixedly mounted in the mounting frame through a support, a rotating opening is formed in the upper surface of the mounting frame, and the inner wall of the rotating opening is rotationally connected with a rotating rod extending into the screening barrel. A stirring rod and an air outlet pipe are fixedly mounted on the surface, located in the screening barrel, of the rotating rod, a plurality of air outlet holes are formed in the lower surface of the air outlet pipe, a first motor is fixedly mounted on the upper surface of the mounting frame, and bevel gears are fixedly mounted on an output shaft of the first motor and the surface of the rotating rod. Through the screening cylinder and the draught fan, the rotating rod rotates to drive the stirring rod to stir pepper in the screening cylinder so that the pepper can be turned over, during the period, the draught fan operates to blow airflow into the ventilation cavity, the airflow is blown out through the air outlet holes in the surface of the air outlet pipe, and therefore the purpose of separating the pepper from pepper seeds is achieved. The sorting effect is good, and meanwhile waste of the Chinese prickly ash is avoided.

The utility model relates to the technical field of agricultural machinery, in particular to a closed type threshing and separating device which comprises a closed type roller, a roller cover and a concave grid, the closed type roller comprises a roller body, a feeding body and a plurality of circles of spiral blades arranged on the roller body, the feeding body is arranged at the front end of the roller body, and the concave grid is arranged on the feeding body. A spiral part for feeding materials is arranged on the feeding body, the spiral number of the spiral blade is a, the screw pitch of the spiral blade is P1, the spiral number of the spiral part is b, and the screw pitch of the spiral part is P2; a is equal to b, and P1 is smaller than P2; or a = 1, b > = 1, and P1 < P2; the threshing effect can be improved, and it is guaranteed that crops are thoroughly threshed.

The utility model provides a corn thresher capable of enabling corn cobs on the upper turning side of a threshing roller to move towards the lower turning side to enter the lower turning side so as to improve the threshing effect and efficiency of the thresher, and relates to the technical field of agricultural machinery. A corn thresher comprises a threshing bin and a main threshing roller installed in the threshing bin, the main threshing roller is provided with a threshing structure, one end of the threshing bin is provided with a feeding port, the other end of the threshing bin is provided with a corncob outlet, and the threshing bin is internally provided with a corn thresher which enables corn cobs on the upper rotating side of the main threshing roller to move towards the lower rotating side of the main threshing roller and enables the corn cobs to move towards the lower rotating side of the main threshing roller. The auxiliary structure is arranged on the lower turning side of the main threshing roller.

The invention discloses a cyperus esculentus composite fruit picking and threshing device, and belongs to the technical field of cyperus esculentus harvesting and threshing equipment, the cyperus esculentus composite fruit picking and threshing device comprises a machine shell, two pairs of fixing discs are arranged in the machine shell, each pair of fixing discs are connected through a set of extrusion rods, and a straight rod is arranged between each pair of fixing discs. According to the device, through rotation of two third motors, cyperus esculentus located on the upper surfaces of two sets of extrusion rods and root hairs of the cyperus esculentus fall between each set of fixing discs in the extrusion and friction process, first motors work to drive gears in cavities to rotate, vertical rods and rubber air bag rods are made to transversely rotate, the rubber air bag rods have the buffering function, and therefore the cyperus esculentus root hairs are prevented from falling off. Damage to the outer surface of the cyperus esculentus caused in the threshing process is relieved, electric telescopic rods work to enable the interiors of the rubber air bag rods to expand due to increase of air pressure, the hardness of the rubber air bag rods is increased while the distance between the rubber air bag rods is decreased, and then the threshing effect of the rubber air bag rods on the cyperus esculentus between the two fixing discs is adjusted.