126results about How to "Improve screening effect" patented technology

The utility model belongs to the technical field of aluminum ash treatment equipment, and particularly relates to a roller screen anti-blocking device which comprises a bracket and a roller screen drum above the bracket, a sweeping anti-blocking piece is arranged on one side of the roller screen drum, a beating piece and a driving device are further arranged on the bracket, and the driving device is used for driving the roller screen drum to rotate. The sweeping anti-blocking piece comprises a scraper, a brush and a rolling brush which are sequentially arranged in the rotating direction of the roller screen drum, the scraper and the rolling brush are located on the inner side of the roller screen drum, the brush is located on the outer side of the roller screen drum, connecting plates are arranged at the two ends of the roller screen drum, the scraper and the brush are fixedly arranged between the two connecting plates, and the rolling brush is rotationally arranged between the two connecting plates; one side of the scraper is in contact with the inner side wall of the roller screen drum. According to the roller screen, the scraping plate is arranged in the roller screen and used for scraping materials attached to the inner wall of the roller screen, then the materials in the screen holes are ejected out through the brush, the screen holes are further guaranteed to be dredged through the roller brush, and then the material screening efficiency is guaranteed.

This application discloses an automated grading, screening, and conveying device and its processing system for Ophiopogon japonicus, belonging to the field of conveying devices. The automated grading, screening, and conveying device and its processing system for Ophiopogon japonicus includes a conveying chamber, inside which a primary vibrating screen and a secondary vibrating screen are respectively installed. An air supply pipe is installed on the side of the conveying chamber. A rotatable lead screw is installed on the side of the conveying chamber, and a sliding block is threadedly connected to the outer side of the lead screw. This automated grading, screening, and conveying device and its processing system for Ophiopogon japonicus uses a primary vibrating screen for preliminary screening and conveying. Activating the lead screw, in conjunction with the sliding block, a rotating rod, a turntable, a torsion spring block, a pressing block, a hydraulic chamber, a force-bearing rod, a spring, a hydraulic hose, a hydraulic chamber, and an arc-shaped rod, ensures that the scraper rod does not contact the primary vibrating screen during the resetting process, preventing the Ophiopogon japonicus from being crushed and improving the conveying efficiency of the device.

The invention discloses a lung disease diagnosis and grading method based on quantitative CT image omics and deep learning. According to the method, through multi-dimensional information integration and model optimization, two core tasks of disease judgment and disease condition grading can be completed at the same time, and comprehensive support is provided for clinical diagnosis and treatment. The model sets feature priorities by referring to clinical diagnosis logic in the training process, the judgment result and the grading standard are completely matched with clinical general specifications, and the model can be directly applied to diagnosis and treatment decision-making without secondary conversion of doctors. After multi-center clinical verification and iterative optimization, the stability and the accuracy of the model are fully guaranteed, subjective errors caused by manual film reading can be effectively reduced, the diagnosis efficiency can be improved, the chronic obstructive pulmonary disease screening capability of primary medical institutions can be remarkably improved, early diagnosis and early treatment of more patients can be helped, and the clinical application prospect is wide. Therefore, the morbidity and disability rate of diseases are reduced, a clinical management path is optimized, and the overall disease burden is relieved.

This utility model discloses an impurity removal device for baijiu (Chinese liquor) brewing, including a base frame, a working frame, a feeding frame, and a discharging frame. The working frame is fixed to the top of the base frame, the feeding frame is fixed to the top of the working frame, and the discharging frame is installed at the bottom of the working frame. It also includes an impurity removal mechanism for removing impurities from the raw materials used in baijiu brewing. With the impurity removal mechanism and screening components, this utility model can perform multiple screenings to remove impurities from the raw materials, thereby improving the screening efficiency and effect. It has a simple structure, is easy to operate, and the screened impurities are easy to clean.

This application discloses a block asphalt crushing and impurity removal device, comprising: a feeding frame, a crushing mechanism installed on the upper side of the feeding frame to crush the incoming block asphalt, and a connecting discharge mechanism on the lower side of the crushing mechanism to receive the crushed particles; a discharge frame connected to one side of the feeding frame, and a filter cylinder installed on the inner side of the discharge frame; a first discharge port on the lower side of the discharge frame, and a second discharge port on the lower side of the filter cylinder, located at the lower end of the discharge frame, to discharge small asphalt particles. This application has at least the following advantages: the tilt angle adjustment mechanism can dynamically adjust the tilt angle of the filter cylinder, thereby controlling the material flow rate, adapting to different feed rates and screening requirements, and ensuring stable screening results; by optimizing the combined design of the crushing mechanism and the filter cylinder, rapid crushing of block asphalt and efficient removal of impurities are achieved, improving overall processing efficiency.

This utility model discloses a tea drying device for easy sieving, comprising: a support frame on which an installation frame is rotatably mounted via a shaft; a platform located inside the installation frame, connected to the frame via an elastic connection, with evenly distributed sieve holes in the center of the platform; an arc-shaped slide rail fixed to one end of a shaft of the installation frame; and a sliding seat located on one side of the arc-shaped slide rail, with rollers rotatably mounted on the outer wall of one side of the sliding seat, the rollers rolling within the arc-shaped slide rail. This utility model, through the structure of the platform and arc-shaped slide rail, allows tea leaves to be placed on the platform for drying. A translation drive mechanism moves the rollers, which in turn presses down on the arc-shaped slide rail, causing it to tilt, thus tilting the platform and allowing the tea leaves to move on it, preventing insufficient drying of the tea leaves at the bottom. During the movement of the tea leaves, the sieve holes remove impurities from the tea leaves.

The invention discloses a mine environment ecological restoration system, and relates to the technical field of environment ecological restoration, and the technical scheme is that the mine environment ecological restoration system comprises a spray-seeding frame body, the upper part of the spray-seeding frame body is fixedly connected with a feeding port, the interior of the spray-seeding frame body is fixedly connected with a mixing box, the interior of the mixing box is fixedly connected with a sieve plate, and the upper part of the spray-seeding frame body is provided with a first motor; the output end of the first motor is provided with a first transmission wheel, the first transmission wheel is in transmission connection with a transmission belt, the transmission belt is in transmission connection with a second transmission wheel, and the second transmission wheel is fixedly connected with a first eccentric shaft. In the soil adding stage, a first motor is started to drive a first transmission wheel to rotate, the first transmission wheel rotates to drive a second transmission wheel and a worm wheel to rotate synchronously, and the second transmission wheel rotates to drive a pressing pad to move in a reciprocating mode, so that soil is continuously pressed downwards, and cakes in the soil are effectively crushed.

The utility model belongs to the technical field of guniting, and particularly relates to a fully-sealed circulating guniting device which comprises a push plate, universal wheels are arranged at the bottom of the push plate, a guniting device is arranged at the top of the push plate, a supporting frame is fixedly connected to the top of the push plate, and a screening device is arranged at the top of the push plate. The screening device comprises a screening box, the bottom of the screening box is fixedly connected to the top of the supporting frame, a sliding groove is formed in the side face of the screening box, a screening plate is slidably connected to the inner wall of the sliding groove, and a motor is fixedly connected to the top of a push plate. According to the screening device, the problems that due to the arrangement of the screening device, when a rack moves leftwards, a push strip can be driven to move, and when the push strip moves, a screening plate can be pushed are solved, and therefore the effects that the screening plate is shaken, the screening effect is better, and a guniting device is prevented from being blocked by large raw material particles are achieved.

The utility model discloses a kind of mixing devices of infusion tea beverage processing, including supporting leg, the top of supporting leg is equipped with shell, outlet is installed at the middle position of shell bottom end, the bottom of mounting plate is equipped with first spring.The utility model is equipped with screen in the inside of inlet, tea can be screened by screen, tea without crushing can be screened out, let crushed tea enter shell inside, when stirring shaft rotates driven by servo motor work, stirring shaft rotation will drive rotary block to rotate, rotary block shape is oval, when rotary block rotates, rotary block rotation will actuate moving block to lift, moving block lifting will drive moving plate to lift, the elasticity of first spring and second spring will drive moving plate to reset, so that moving plate lifting will drive screen to lift vibration, so it can make screening effect better, to achieve the purpose that mixing device of infusion tea beverage processing is convenient for screening tea.

This utility model relates to the field of screening and slag removal technology, and proposes a screening and slag removal device for Polygonatum sibiricum tea. It includes a processing box and an arc-shaped screen located inside the processing box. Two fixed plates are connected to the inner wall of the processing box, and two support plates are connected to the outer wall of the arc-shaped screen near the top. An arc-shaped through groove and a semi-circular through groove are respectively opened at both ends of the processing box. A first arc-shaped extension and a second arc-shaped extension are respectively connected to both ends of the arc-shaped screen, penetrating the arc-shaped through groove and the semi-circular through groove. A first motor is installed on the outer wall of the processing box, and a rotating disk is connected to the output end of the first motor. A control block is connected to the top of the rotating disk near the edge, and a control groove is slidably connected to the control block. An arc-shaped connector is connected to the control groove, thereby facilitating the replacement of the screen, achieving the purpose of easy cleaning and improving work efficiency.

The utility model discloses a decoration construction sand blasting device which comprises a base, a plurality of supporting legs are fixed on the upper surface of the base, a sand blasting tank main machine is fixed at the top ends of the supporting legs, a connecting air pipe is fixed at a sand discharging opening in the bottom of the sand blasting tank main machine, and the connecting air pipe is connected with a sand blasting gun head. A barrel is arranged at the top end in the sand blasting tank main machine, and a screen is fixed to the bottom of the barrel. According to the sand blasting gun head, the base, the sand blasting tank main machine, the barrel body, the screen, the end plate, the guide rod, the fixing assembly and the driving assembly are arranged, when sand is added into the sand blasting tank main machine, the sand is screened through the screen at the bottom of the barrel body, large-particle impurities are prevented from falling into the bottom of the sand blasting tank main machine, and therefore the sand blasting gun head is protected; in addition, the cylinder body is quick and simple to disassemble and assemble, and filtered large-particle impurities can be conveniently cleaned; in addition, the driving assembly is used for driving the barrel and the screen to vibrate, and the screening effect of the screen is improved.

This utility model relates to the field of sinter particle size detection and screening technology, and in particular to a screening device for sinter particle size detection. The device includes a frame with multiple layers of screen frames arranged in parallel on the frame, connected as a whole. The top screen frame is suspended from the upper part of the frame by ropes. The bottom screen frame is connected to the lower part of the frame by elastic components, and a vibration motor is installed on the bottom surface of the bottom screen frame. Compared with existing technologies, this device allows for more thorough vibration of each screen frame, thereby more effectively separating sinter particles of different sizes that are currently attached, improving the accuracy of particle size detection.

The utility model discloses variable-diameter screen type coal slime multi-stage screening equipment which comprises a main body frame, a multi-stage variable-diameter screen assembly and a vibration driving module. The multi-stage variable-diameter screen assembly is movably connected with the main body frame through a sliding connecting piece and can be horizontally and finely adjusted, variable-diameter hole units and reinforcing ribs are arranged on a screen base plate, the vibration driving module adjusts vibration parameters through a cam and a balancing weight, and vibration impact is reduced through an elastic connecting piece. A wear-resistant coating is arranged on the inner wall of the collecting hopper, and the feeding port is provided with a flow adjusting plate The multi-stage grading screening of coal slime particles can be achieved, the screening efficiency is improved, different requirements are met, the structure is simple, operation is stable, and the screening device is suitable for large-scale popularization.

The utility model discloses screening equipment for plastic particles, which relates to the technical field of plastic particle screening and comprises a screening component, the screening component is fixedly mounted on a support, a guide taper pipe is fixedly mounted on the support and below the screening component, and a blocking component is mounted on the screening component. The blocking assembly is composed of a supporting plate, an inner threaded pipe, a screw rod, an L-shaped base plate, an L-shaped rubber air bag and an L-shaped high-elasticity sponge cushion, the inner threaded pipe is fixedly inserted into the supporting plate, the screw rod is installed in the inner threaded pipe, and the blocking assembly composed of the supporting plate, the inner threaded pipe, the screw rod, the L-shaped base plate, the L-shaped rubber air bag and the L-shaped high-elasticity sponge cushion is arranged on the screening assembly. The bounce height of plastic particles in the screening process can be effectively limited, it is ensured that the particles always move close to the screen, therefore, the screening efficiency and the screening effect are improved, and meanwhile, the L-shaped rubber air bag and the L-shaped high-elasticity sponge cushion can prevent a large amount of noise from being generated when the plastic particles collide with the blocking assembly.

This utility model discloses a screening device for rubber compound production, relating to the field of raw material screening technology. It includes a base and a screening box. A screen plate is installed inside the screening box, and a vibrating motor is fixedly installed on the lower surface of the screening box. Four vibration damping springs arranged in a circular array are provided between the screening box and the base. A transfer mechanism is provided on the lower surface of the base, and a top cover is threadedly connected to the upper surface of the screening box. During use, the vibrating motor drives the screening box to vibrate, thoroughly screening the granular raw materials through the screen plate. Finer particles fall through the screen plate into the screening box and flow out through the fine material outlet, while larger particles flow out through the coarse material outlet. The device features a simple structure and good screening effect. During this process, the operation of the vacuum pump draws the dust generated during the screening of the granular raw materials into the dust filter box through the dust suction hole, annular cavity, and vacuum pipe, achieving a dust collection effect and preventing dust from being emitted.

This invention discloses a multidimensional, non-invasive combined screening method for polycystic ovary syndrome (PCOS), belonging to the field of medical data processing technology. Addressing the problems of high false negative rates for single-indicator screening and poor compliance with invasive testing in existing PCOS screening methods, this invention constructs a screening indicator pool comprising 13 indicators across five dimensions: sociodemographic characteristics, clinical manifestations of hyperandrogenism, anthropometry, past medical history and family history, and lifestyle behaviors. Machine learning algorithms such as Logistic regression and XGBoost are used to select XGBoost as the optimal model. Interpretive visualization analysis is performed using the SHAP method to generate personalized screening plans. This method has been validated to significantly improve the sensitivity and comprehensiveness of early PCOS screening, enabling personalized and visualized management of high-risk groups. Its non-invasive approach is suitable for large-scale screening at the grassroots level and has high clinical operability.

The utility model discloses a kind of screening devices for feed processing, it is related to feed processing device technical field.The utility model includes storage tank and the cylinder being set above storage tank, cleaning mechanism and vibration mechanism are arranged in the storage tank and cylinder;The top of the storage tank is rotatably connected with connecting ring, the bottom of the cylinder is rotatably connected with connecting ring, the inner wall of the cylinder is fixedly connected with sieve plate, the cleaning mechanism includes motor fixedly connected at the bottom of storage tank, the output shaft of the motor is fixedly connected with rotating shaft by coupling, the top of the rotating shaft penetrates storage tank, and the rotating shaft is rotatably connected with storage tank.The utility model sets up cleaning mechanism, solved the existing screening device in use process, not convenient to collect the feed of large particle in time, these large particle feed can be detained on screen, along with the screening, these large particle feed can be plugged sieve hole, and then affect the continuous operation of equipment.

The utility model relates to the technical field of crushing devices, and particularly discloses a large-particle iron powder ball screening and crushing mechanism which comprises a crushing box and a screening plate, a feeding port is formed in the top of the crushing box, a discharging port is formed in the bottom of the crushing box, and a crushing mechanism is arranged in the crushing box; the screening plate is connected to the bottom of the crushing box in a sliding mode, and a driving mechanism used for driving the screening plate to reciprocate is arranged on the crushing box. The device has the effect of solving the problems that manual iron powder ball knocking needs continuous operation of workers, time and labor are wasted, and the labor intensity of the workers is increased.

The utility model discloses a drying device for cattle bone powder production. The drying device comprises supporting legs, a shell is installed at the top ends of the supporting legs, a stirring mechanism is installed in the shell, a stirring shaft is installed at the top end of a servo motor, a rotating block is installed at the top end of the stirring shaft, and scrapers are installed on the two sides of the rotating block. According to the cattle bone powder drying device, the servo motor is installed at the bottom end of the shell, the servo motor works to drive the stirring shaft to rotate, the stirring shaft rotates to drive the stirring blades to rotate, the stirring blades rotate to stir cattle bone powder in the shell, the cattle bone powder is dried more evenly, the cattle bone powder structure efficiency is higher, and meanwhile, the cattle bone powder drying efficiency is improved. The stirring shaft rotates to drive the rotating block to rotate, the rotating block rotates to drive the scraping plate to rotate, the scraping plate rotates to treat and stir the surface of the screen, the screening effect of the cattle bone powder on the surface of the screen is better, and therefore the purpose that the drying device for cattle bone powder production facilitates improvement of the processing efficiency of the cattle bone powder is achieved.

This application relates to the field of plastic recycling, specifically disclosing a rapid shaping equipment and process for recycling blow-molded products. The rapid shaping equipment includes a frame, a mold mechanism mounted on the frame for blow-molding products, a defect detection mechanism for detecting defects in the product, a crushing mechanism for crushing substandard products into particles, and a ring-shaped screening mechanism for screening the particles output from the crushing mechanism, allowing particles of the correct size to be discharged and returning oversized particles to the crushing mechanism for secondary crushing. This application improves the efficiency of defective product recycling.

The invention discloses a fine iron powder screening device and method, and belongs to the technical field of fine iron powder screening. The fine iron powder screening device comprises a discharging pipe, a screening mechanism is arranged at the bottom of the discharging pipe, and a supporting mechanism for supporting and vibrating the screening mechanism is arranged below the discharging pipe; the screening mechanism is arranged at the top of the supporting mechanism, the screening mechanism comprises a second screening assembly used for screening materials and a first screening assembly used for being matched with the second screening assembly to screen the materials, the second screening assembly is arranged in the first screening assembly, and the first screening assembly comprises a limiting material storage pipe; through mutual cooperation of multiple structures, a user can quickly adjust the screening precision of the screening device according to actual processing requirements, so that the screening device can better meet diversified processing requirements of the user, and the use experience of the user on the screening device is improved.

The application discloses a bored pile hole cleaning device, and relates to a hole cleaning device. The device comprises a sand pump and a recovery tank. The end of the extraction pipe is provided with a cyclone material loosening assembly for loosening the sand at the bottom of the bored pile hole. The recovery tank is provided with a vibrating screen assembly. The bottom of the recovery tank is provided with a recovery pipe with variable length. The two sides of the bored pile hole are provided with symmetrically arranged motor winding assemblies. A filling assembly for filling the mud at the missing position of the bored pile hole wall is movably arranged in the bored pile hole. The filling assembly is connected with the winding ends of the two motor winding assemblies. The recovery pipe is connected with the filling assembly. The application can fill the pits on the bored pile hole wall, and has reasonable and reliable structure and high hole cleaning efficiency.

The utility model discloses a kind of highland barley roasting machines, it is related to highland barley roasting field, including primary roasting unit, secondary roasting unit and tertiary roasting unit, the primary roasting unit includes electric hot plate, primary roasting pan and primary scraping mechanism, the primary roasting pan bottom is annular, the secondary roasting unit includes electric hot plate, secondary roasting pan and secondary scraping mechanism, the tertiary roasting unit includes electric hot plate, tertiary roasting pan and tertiary scraping mechanism, the tertiary roasting pan is annular, the tertiary scraping mechanism can promote highland barley to fall from tertiary roasting pan inner ring place, by the synergistic effect of tertiary classification heating and tertiary scraping mechanism, the drawbacks caused by traditional equipment due to single constant temperature roasting are solved, avoid the problem of scorched paper caused by insufficient heating at highland barley front end, excessive heating at rear end, finally make highland barley overall heating more uniform, not only reduce energy consumption, also significantly improve roasting efficiency and finished product qualification rate.

This invention discloses a graphene oxide-based monovalent cation-selective membrane and its applications, belonging to the field of separation technology. The monovalent cation-selective membrane comprises graphene oxide, with tannic acid anchored between the graphene oxide layers via hydrogen bonding and π-π stacking to form a first cross-linked network. Dioctadecyl dimethyl ammonium bromide is anchored between the graphene oxide layers via electrostatic adsorption and forms a second cross-linked network with tannic acid through electrostatic attraction. Dioctadecyl dimethyl ammonium bromide is added to an alkaline aqueous solution of graphene oxide, followed by the addition of tannic acid and thorough mixing. The mixture is then filtered to form a membrane, which is subsequently dried and annealed to obtain the monovalent cation-selective membrane. This invention can simultaneously improve the monovalent / divalent cation sieving performance and ion flux of the membrane, while also enhancing its permeation energy generation capacity. It breaks the trade-off between selectivity (sieving characteristics) and flux in ion-selective membranes, providing a new approach and technical reference for the development of multifunctional ion exchange membranes for complex water bodies.

The application belongs to the technical field of inorganic material preparation, and particularly relates to a twice calcined tungsten oxide and a preparation method and application thereof, the preparation method comprising: primary calcination: APT raw materials are added into an industrial rotary kiln with an inclination angle of 5-6 DEG at a feeding speed of 100-500 g / min for calcination to obtain primary calcined tungsten oxide; secondary calcination: the primary calcined tungsten oxide is added into an industrial rotary kiln with an inclination angle of 2-3 DEG at a feeding speed of 800-1000 g / min for calcination to obtain secondary calcined tungsten oxide. The preparation method uses simple equipment, and raw materials are easy to obtain, and the method is easy to be industrialized. By controlling the feeding rate, the inclination angle of the rotary kiln, the rotating speed and the calcination temperature, the obtained tungsten oxide has fine particle size, narrow bulk specific gravity and stable screening performance, and can be applied in ultra-fine crystal rods, petroleum catalysts and photocatalyst materials.

The utility model discloses a kind of raw materials crushing prescreening devices for mixed feed production, it is related to feed production equipment technical field, including installation frame, the upper portion of installation frame is equipped with support frame, the upper end surface middle part both sides of support frame are fixed with vertical rod, the opposite side of two vertical rods is rotatably installed with rotating rod by bearing, between the opposite end of two rotating rods, fixed with screening mesh plate, one end of screening mesh plate is fixed with L type support plate, L type support plate horizontal section one end is fixed with feeding hopper, the vertical section of L type support plate is equipped with the unloading structure of cooperation with feeding hopper use.The utility model in, by angle adjusting component can adjust the inclination of screening mesh plate, to control screening speed;Unloading structure can adjust the size of feeding hopper outlet, facilitate control unloading speed;Electromagnetic vibrator cooperates with disc spring and can increase vibration amplitude, improve screening effect;Baffle can prevent feed splashing;Fixing hole is convenient device and crusher connection.

The invention relates to the technical field of powder metallurgy, and discloses a powder metallurgy thrust disc forming machining device which comprises a pressure forming mechanism, a powder conveying mechanism is arranged on one side of the pressure forming mechanism, the powder conveying mechanism comprises a supporting frame, and a fixing base is arranged on the upper side of the supporting frame; the fixing base is arranged on the supporting frame and connected with the supporting frame in a sliding mode, an air cylinder used for pushing the fixing base to move is arranged on the supporting frame, and a connecting base is arranged on the fixing base. According to the technical scheme, the screening base provided with the supporting base and the transmission shaft and the supporting frame which is matched with the screening base and provided with the rack are arranged, in the raw material conveying process, along with movement of the screening base, cleaning of the screening net can be conveniently completed through the transmission shaft provided with the scraping plate, and the screening net can be conveniently cleaned through the supporting base provided with the first cavity and the chip removal opening. And by means of the partition plates used in cooperation with the screening base, impurities in the screening base can be conveniently removed, and the screening base is more convenient to clean.

The utility model relates to the technical field of pesticide screening, and discloses pesticide screening integrated equipment which comprises a supporting box, a plurality of supporting plates are fixedly connected to the top side of the supporting box, a discharging hopper is fixedly connected to the top ends of the supporting plates, and a discharging frame is fixedly connected to the bottom side of the discharging hopper. A limiting frame is fixedly connected to the outer portion of the discharging frame, a driving assembly is fixedly connected to the bottom end of the supporting box, a limiting plate is fixedly connected to the top end of the driving assembly, a transmission plate is fixedly connected to the top of the driving assembly, and a transmission shaft is fixedly connected to the right end of the transmission plate. According to the screening device, the sliding frame is driven to slide left and right in a reciprocating mode, the dislocation plate is driven by the sliding frame to slide in a reciprocating mode, materials can intermittently slide away from the bottom side of the discharging frame, the materials can evenly fall down, the accumulation condition is avoided, the screening effect is improved, and then the product quality is improved.

The utility model discloses a solid seasoning screening device, specifically related to solid seasoning technical field, include: frame, the top side one end of frame is provided with the feed inlet, and the other end side wall of frame is equipped with the discharge gate. The utility model discloses through setting up the material guiding mechanism between the feeding pipe and the fixed plate, and the material guiding mechanism is composed of the rotating roller, the baffle, the side plate and the drive assembly, and the baffle can be composed with the side plate multiple storage bins, with the circulating rotation of storage bin, can make each storage bin receive the solid seasoning that falls down continuously from the feeding pipe in turn, and can intermittently guide the material in storage bin to the fixed plate, cooperate vibration subassembly, make the material can pass first sieve hole, second sieve hole and third sieve hole in turn and screen, and then can make the solid seasoning complete screening operation even and continuously according to the amount, effectively avoid a large number of solid seasoning layer by layer to accumulate and extrude, and the material can be fully screened, greatly improves the screening efficiency, and the use effect is better.

The utility model discloses a resin sand production line conveying device with a nested screening structure. The resin sand production line conveying device comprises a base, and a screening box is installed on the surface of the base; the surface of the base is provided with a split-flow transportation part, and the split-flow transportation part comprises the following parts: connecting plates are symmetrically mounted on the surface of the base, a conveying belt is arranged between the connecting plates, a plurality of layers of filter screens are mounted in the screening box, a flow guide plate is fixedly connected to the inner wall of the screening box, and a rotating mechanism is arranged in the screening box; according to the rotating mechanism, a motor is installed on the surface of the base. According to the resin sand production line conveying device with the nested screening structure, split-flow transportation is arranged, layering treatment and multi-stage screening can be carried out on resin sand, the resin sand is screened through a filter screen, after screening of different filter screens is completed, the resin sand is guided to the surface of a conveying belt, layered transportation is carried out on the resin sand through the conveying belt, and the conveying efficiency is improved. The practicability of the device can be improved.