18results about How to "Improve winnowing effect" patented technology

The utility model discloses an industrial solid waste winnowing machine which comprises a winnowing box body, a feeding port is formed in the upper end portion of the winnowing box body, a conveying belt for conveying industrial solid waste is installed at the feeding port, a vibrating screen which is arranged in an inclined downward mode is arranged in the winnowing box body, and the upper end portion of the vibrating screen is arranged under the inner end portion of the conveying belt. A first winnowing fan is mounted in a gap reserved between the vibrating screen and the conveying belt, and a material baffle located at the lowest end of the vibrating screen is arranged in the winnowing box body; according to the winnowing device, industrial solid waste garbage can be winnowed conveniently, secondary winnowing is adopted, the winnowing effect of the solid waste garbage is better, the winnowing efficiency of the solid waste garbage is improved, falling heavy garbage can be vibrated through the vibrating screen, dust impurities can pass through the vibrating screen, and the dust impurities are prevented from entering the winnowing device. And the heavy garbage rolls downwards along the inclined vibrating screen in the vibrating process, so that discharging is facilitated, and the winnowing effect of the solid waste garbage is further improved.

The utility model provides a two-stage winnowing material throwing device which comprises a main body and a shell, the main body is contained in the shell, the main body comprises a main shaft, an end cover and a plurality of blades, and the blades surround the main shaft and are fixed to the main shaft and the end cover; the shell comprises a feeding port, a discharging port and a middle shell part located between the feeding port and the discharging port, the feeding port receives raw materials from an upstream first-stage winnowing system and throws the raw materials into a downstream second-stage winnowing bin from the discharging port, and the shell is characterized in that the feeding port receives the raw materials from the upstream first-stage winnowing system and throws the raw materials into the downstream second-stage winnowing bin from the discharging port; and the middle shell part is designed to enable raw materials entering from the feeding hole to leave the discharging hole in an obliquely upward direction. According to the two-stage winnowing material throwing device, materials can be effectively and fully winnowed, and the winnowing effect is improved. The utility model further provides a two-stage winnowing system which comprises the two-stage winnowing material throwing device.

The invention discloses a soybean screening device for soybean milk production, and the invention relates to the soybean screening technical field. The soybean screening device for soybean milk production, through the setting of a conical diverter frame, can make the soybeans entering the conical diverter frame roll along the guide plate in the process of screening the soybeans, until passing through the guide plate and being discharged through multiple discharge ports, so that the soybeans poured into the feed hopper can be evenly poured onto the top of the screening grid frame for screening, avoiding the accumulation and blockage of soybeans, effectively improving the screening efficiency, and improving the subsequent air selection effect, avoiding the impurities and debris mixed in the soybeans and falling, which affects the air selection effect. Through the setting of the arc collecting frame and the blowing frame, when the soybeans fall evenly through the conical diverter frame, the impurities and debris and soybeans with unqualified quality can be collected and screened through the arc collecting frame, effectively ensuring the screening effect of the soybeans.

This invention relates to the field of tea leaf winnowing and discloses a reciprocating turbulent winnowing machine for fresh tea leaves. The machine includes a housing with a vertical chamber and a horizontal chamber within it. An inlet is located on the side wall of the vertical chamber, and a centrifugal fan is located at the bottom of the vertical chamber. Both the vertical and horizontal chambers have outlet groups at their bottoms. A cylindrical cavity is formed horizontally within the vertical chamber, and a set of air-distributing plates is rotatably mounted within this cavity. A movable drive structure is connected to the end of the air-distributing plates. The air generated by the centrifugal fan blows some of the fresh tea leaves into the horizontal chamber, where they are discharged through the outlet groups. The remaining fresh tea leaves fall onto the air-distributing plates and are dispersed by the reciprocating rotation of the plates. In this invention, the fresh tea leaves are repeatedly turbulent as the air-distributing plates rotate, which, combined with the airflow, disperses the tea leaf pile, preventing lighter leaves from mixing with heavier leaves and being discharged, thus ensuring the winnowing effect.

The present invention relates to the technical field of agricultural machinery, and discloses a rice roughness air separation device based on automation that can automatically load and clean, comprising a main shell, a feeding chamber is opened on the top of the main shell, a material guide screen is fixedly connected inside the main shell, a material guide convex block is fixedly connected to the upper surface of the material guide screen, a wind separation component is fixedly connected inside the main shell, the wind separation component is located on one side of the lower surface of the material guide screen, and a material pouring box is fixedly connected to the outside of the main shell; an air flow is blown out obliquely upward through an air outlet, and under the blowing action of the oblique upward air flow, rice husks or branches mixed with rice roughness are subjected to an oblique upward air flow blowing force, so that the rice husks make an oblique upward parabolic motion, thereby effectively allowing rice husks and other debris to fly farther, effectively ensuring the separation effect. After the separation is completed, the rice roughness falls into the finished product cavity, and the rice roughness inside the finished product cavity is discharged through the discharge block and the first discharge conduit, and the staff completes the collection work outside the first discharge conduit.

The utility model discloses an air screening device which comprises an air screening box, a fluidized bed, a blocking screen, a feeding pipeline, a discharging pipeline, an air draft pipeline and an air supplementing pipeline. By means of the fluidization plates and the blocking screens which are arranged in a staggered mode, the probability that the blocking screens are blocked is reduced, the winnowing efficiency and the winnowing effect are improved, in addition, the air supplementing pipeline is arranged on the downstream portion of the air screen box, negative pressure from the air draft pipeline is effectively counteracted, downward extension of the negative pressure is avoided, normal operation of follow-up equipment is guaranteed, and the service life of the air screen box is prolonged. Ferromagnetic impurities in the materials are efficiently removed by arranging the de-ironing separator; and the stability of discharging is improved by arranging the bypass discharging pipeline. Furthermore, the device also has the advantages of simple structure, small occupied space, convenience in operation, low preparation cost and the like.

The tea winnowing machine comprises a winnowing box and a feeding hopper arranged at the top end of the winnowing box in a communicating mode, material guiding plates are obliquely fixed to the two sides of the inner wall of the feeding hopper correspondingly, two rotating shafts located above the material guiding plates are rotationally connected into the feeding hopper, and scattering rods are fixed to the outer walls of the two rotating shafts correspondingly; one side of the feeding hopper is provided with a rotating assembly for driving the rotating shafts to rotate, the rotating assembly is connected with the feeding hopper through a linkage assembly, the rotating assembly comprises driven wheels fixedly arranged at one ends of the two rotating shafts respectively, one side of the feeding hopper is rotationally connected with two driving wheels, and the two driving wheels are in transmission connection with the driven wheels through belts respectively; according to the scheme, when tea leaves are fed and winnowed through the feeding hopper, under the cooperation of the linkage assembly and the rotating assembly, the rotating shaft and the scattering rods are driven to rotate, caked tea leaves on the guide plate can be scattered during rotation of the scattering rods, it is avoided that winnowing is affected by tea leaf caking, full winnowing of the tea leaves is facilitated, and the winnowing effect of the tea leaves is improved.

The utility model discloses a grain winnowing machine which comprises a winnowing cavity and a feeding device, the winnowing cavity is provided with an air inlet and an air outlet which are horizontally arranged at intervals, the air inlet is connected with an air supply device or the air outlet is connected with an air draft device, and a feeding port connected with the feeding device is arranged between the air inlet and the air outlet. A heavy impurity outlet, a grain outlet and a light impurity outlet are sequentially formed in the bottom of the winnowing cavity in the direction from the air inlet to the air outlet. The grain winnowing machine has the advantages of being simple and compact in structure, small in equipment size, good in winnowing effect, suitable for industrial production and application and the like.

The utility model relates to a kind of grain impurity air separator, belong to grain detection technical field, including the air suction collecting pipe, impurity unloader, impurity suction pipe and air separator shell connected in turn, air separator shell is provided with grain discharge port and grain unloading port, the grain discharge port is through with grain unloading port, air inlet is equipped between the grain discharge port and grain unloading port.The utility model device is connected in turn by optimization design, and air suction collecting pipe, impurity unloader, impurity suction pipe and air separator shell form an efficient air separation system.Grain enters air separator shell by grain discharge port, due to the setting of air inlet, so that airflow can be uniformly applied to grain, effectively separate impurities.Outlet is set in the just above of grain unloading port, further improve the air separation effect, ensure that grain is fully air separation treatment before unloading.

The present invention provides a screening system and a combine harvester, including a vibrating screen, a front sealing structure, a grain separation structure and a driving structure. The vibrating screen has an upper screening area and a lower screening area. A lifting structure is arranged at the tail end of the corrugated plate in the upper screening area to increase the height difference between the corrugated plate and the fish scale screen, and cooperates with the tail screen at the tail end to form a two-stage lifting structure, which can fully shake out and loosen the agglomerated crops, and avoid the discharge of grains entrained by the crop straw, causing waste. At the same time, a front sealing structure is arranged at the front end of the corrugated plate to prevent the grains from being thrown out by the vibrating screen. A grain separation structure is arranged between the grain collection area and the debris collection area below the vibrating screen to effectively separate the clean grains from the debris such as straw, so that the grains can be collected more completely and cleanly, waste can be avoided, and the screening efficiency can be improved.

The utility model discloses a feeding device for a grain winnowing machine, which comprises a feeding channel with an inlet and an outlet, the feeding channel obliquely extends downwards from the inlet to the outlet, and a material uniformizing control component is arranged in the feeding channel. A gap for the grains to flow and fall down along the bottom surface of the feeding channel is formed between the refining control assembly and the bottom surface of the feeding channel. The feeding device for the grain winnowing machine has the advantages of being good in feeding uniformity, beneficial to improving the winnowing effect and the production efficiency, suitable for large-scale production and the like.

The utility model relates to a winnowing device for sorting capsules, which aims to solve the technical problem that part of unqualified capsules are blocked and are difficult to blow away due to the fact that the capsules in the existing capsule winnowing process fall too intensively, and comprises a steel frame, a winnowing bin is arranged on the steel frame, one end of the winnowing bin is open, and a fan is arranged in the open end of the winnowing bin. A hopper is arranged at the top of the winnowing bin, and a quantitative feeding mechanism is arranged between the hopper and the winnowing bin; the motor drives the running roller to rotate in the feeding bin until the open end of the running groove is communicated with the bottom of the hopper, capsules fall into the running groove from the bottom of the hopper, the running roller rotates to rotate the open end of the running groove containing the capsules to the top of the feeding port, the capsules fall into the winnowing bin, and a quantitative feeding mode is adopted; the drainage plate is used for concentrating wind of the fan to the top end in the winnowing bin and blowing the wind to the descending capsules, the wind power is increased, the winnowing effect is improved, meanwhile, the drainage plate can isolate the winnowed capsules, and the capsules are prevented from being mixed again after winnowing.

The utility model discloses a pepper impurity removal dry cleaning production line, which belongs to the technical field of pepper processing and comprises a bottom plate, the top of the bottom plate is fixedly connected with a support plate, a transmission case and a mounting seat respectively, and the support plate is rotatably connected with an air outlet pipe. The hot pepper winnowing machine is provided with the servo motor, the roller, the winnowing assembly and the transmission assembly, the servo motor drives the winnowing assembly and the roller to work simultaneously through the transmission assembly, the baffles in the roller can continuously turn over hot peppers to enable the hot peppers to be subjected to winnowing more fully in all directions, the winnowing effect is greatly improved, impurity residues are reduced, and compared with traditional equipment, the winnowing efficiency is improved. Impurities in the peppers can be more thoroughly removed, the quality of the peppers is guaranteed, a collecting assembly is arranged, airflow enters a collecting cloth bag in the collecting assembly, the collecting cloth bag can intercept and collect the impurities carried in the airflow, the impurities are prevented from scattering all around, the workshop environment is kept clean and tidy, dust is not diffused any more, the impurities are collected properly, and the environment is protected. Therefore, the purity of the raw materials is ensured.

The present invention discloses a segmented air selection device and a control method thereof, wherein the segmented air selection device comprises a primary air selection device arranged on a frame; a vibrating conveying device arranged on the frame and a feeding port of the vibrating conveying device is located below a screening port of the primary air selection device; a secondary air selection device is connected to a discharging port of the vibrating conveying device; an air delivery pipeline comprises a primary air delivery pipeline and a secondary air delivery pipeline, one end of the primary air delivery pipeline is connected to the discharging port of the primary air selection device, and one end of the secondary air delivery pipeline is connected to the discharging port of the secondary air selection device; a dropper is connected to the other end of the primary air delivery pipeline and the other end of the secondary air delivery pipeline; at least one of the primary air delivery pipeline and the secondary air delivery pipeline is provided with an air supply component, and the air supply component is configured to adjust the wind speed in the primary air delivery pipeline and / or the secondary air delivery pipeline. The segmented air selection device according to the embodiment of the present invention has a simple structure, small footprint, low adjustment difficulty, and a stable air selection effect.

The utility model belongs to the technical field of white tea processing, and discloses a multi-stage winnowing machine for tea leaves, which comprises a main body device for collecting the tea leaves after wind classification screening, and further comprises a material shaking device which is arranged at the top of the main body device and is used for scattering the tea leaves after vibrating and shaking sundries, a feeding device for feeding and continuously dispersing and conveying tea leaves is arranged on one side above the shaking device; the material shaking device comprises a vibrating frame, a screen is installed on the vibrating frame, a waste hopper is arranged below the screen, and a vibrating shaft is installed on one side of the vibrating frame. According to the multi-stage winnowing machine for the tea leaves, due to the arrangement that the tea leaves are scattered through vibration, the situation that winnowing is affected by accumulation of the tea leaves is avoided; through the arrangement of continuous dispersing feeding and scattering, the tea leaves can pass through a winnowing area more uniformly, and the winnowing effect is improved; by arranging the vibration sieve sundries, the sundries in the tea leaves are reduced, and the quality of the tea leaves is improved.

The utility model discloses a gravity impurity removal type medicinal material winnowing machine, and belongs to the technical field of medicinal material production equipment. The medicinal material winnowing machine comprises a first feeding mechanism, a second feeding mechanism and a winnowing mechanism which are sequentially arranged, the discharging end of the first feeding mechanism is located over the feeding end of the second feeding mechanism, and a transition barrel is arranged between the discharging end of the first feeding mechanism and the feeding end of the second feeding mechanism; a plurality of impurity removal boxes are arranged in an inner cavity of the transition barrel in the longitudinal direction of the transition barrel, each impurity removal box is of a cavity structure, an inclined filtering panel is arranged on the side wall of each impurity removal box, the filtering panels are used for continuously guiding medicine falling into the transition barrel downwards, and a residue collecting drawer is inserted into the bottom of each impurity removal box and penetrates through the side wall of the transition barrel; the discharging end of the second feeding mechanism is located over a feeding port of the winnowing mechanism. Impurities in medicinal materials are screened out and collected in the feeding process based on the transition cylinder, the impurities in the medicinal materials are prevented from entering the winnowing mechanism along with the medicinal materials, and therefore the optimal winnowing effect is achieved.

The utility model relates to nut processing technical field, concretely is a multistage winnowing and impurity removing and cleaning integrated machine, including the shell, the top of shell is provided with the feed inlet, the inside of shell is provided with the deflector, the inside of deflector is provided with the vibrating mechanism, one side of shell is provided with the mounting seat, one side of shell is provided with the impurity removing fan, one side of shell is provided with the first waste pipe, one side of shell is provided with the second waste pipe, one side of shell is provided with the cleaning bucket. This multistage winnowing and impurity removing and cleaning integrated machine is provided with vibrating mechanism, nuts can be scattered through vibrating mechanism, and then winnowing effect can be improved, is provided with cleaning mechanism, nuts can be cleaned through cleaning mechanism, and then work efficiency can be improved, nuts can be graded winnowing through first fan and second fan, and then the application range of equipment can be expanded.

The present invention provides a combine harvester, wherein a feeding port is arranged in the middle of a frame, so that a connection port between a crop conveying structure connected thereto and a harvesting platform is located near the middle of the harvesting platform, and crops can be fed more evenly to the connection port from both sides of the harvesting platform; at the same time, a spreading structure is arranged near a grain storage component, and a "J"-shaped threshing direction of a double-helix threshing conveying system is utilized, so that crops enter from the middle of the front end of the harvester and are spread out from the middle of the tail end, thereby ensuring the stability of the center of gravity of the combine harvester. A cleaning transmission system is arranged outside the threshing system, and the transmission is centralized, which is convenient for installation and debugging. The whole machine has a compact structure and occupies a small space. The center of gravity is always kept stable during idling and harvesting operations, and the maneuverability is high and the operation efficiency is remarkable.