2522 results about "Sieve" patented technology

Weed seeds are destroyed in the chaff from a combine harvester by primary and secondary destructors where the primary feeds to the secondary. The secondary can use repeated high speed impacts caused by a rotor mounted in one of a pair of side by side housings which accelerate the discarded seeds in a direction centrifugally away from the rotor onto a stator including angularly adjustable stator surfaces around the axis. The primary can also use an impact arrangement of a different and simplified structure or can use another destruction modality such as radiation. The primary is mounted at a transfer device including a transverse auger which carries the chaff and weed seeds from the rear of the sieve to the secondary.

The invention relates to the technical field of turpentine processing, in particular to a turpentine continuous melting and clarifying processing device and method.The turpentine raw material is put into a feeding cylinder, piled in an inclined scattering cylinder, subjected to axial autorotation along with the feeding cylinder, discharged downwards and distributed in all areas in a dissolving tank, and after dissolving is completed, the turpentine raw material is poured into the feeding cylinder to be subjected to continuous melting and clarifying processing. When the telescopic part drives the sieve plate to move upwards until the bottom end of the movable cylinder abuts against the sieve plate, the sieve plate axially rotates along with the feeding cylinder and drives the movable cylinder to axially rotate, so that the material leakage port and the material scattering port are staggered, the movable cylinder rolls solid matters in the circumferential direction of the sieve plate, and the resin liquid is discharged into the clarifying tank along the liquid leakage pipe while slag is discharged from the slag outlet; after grease water in the clarification tank is layered, most of the water layer is discharged, the grease water is put into the feeding cylinder for circular treatment, and the steam injection system and the emptying pipe in the clarification tank are opened for distillation treatment, so that the continuous processing efficiency is further improved.

The invention provides a screening device for premixed mortar production, and belongs to the technical field of premixed mortar production, the screening device comprises a rack and a screening barrel arranged above the rack, and the rack is provided with a driving part used for driving the screening barrel to rotate; the screening barrel is composed of a barrel-shaped frame and a plurality of arc-shaped screening plates, the barrel-shaped frame is rotationally connected to the rack, the arc-shaped screening plates are slidably connected to openings correspondingly formed in the barrel-shaped frame in the radial direction through first springs, and the first springs can make the arc-shaped screening plates tend to approach the center axis of the barrel-shaped frame; convex pins are arranged on the arc-shaped sieve plates, a supporting truss is arranged on the rack, guide grooves allowing the convex pins to slide in are formed in the supporting truss, and knocking pieces used for knocking the arc-shaped sieve plates are arranged on the supporting truss; the possibility that gravel particles rapidly pass through the screening barrel and are crushed due to knocking vibration can be reduced, and the final quality of gravel screening work can be improved.

The utility model relates to a sand and concrete separating mechanism. According to the technical scheme, the gravel and concrete separating mechanism is provided with a fixing support, a plurality of supporting rods and a plurality of connecting rods, the shell is installed on the fixing support, a first feeding port is formed in the shell, a screen plate is arranged in the shell and can screen gravel concrete entering from the first feeding port, gravel is located on the screen plate, concrete grout falls off from the screen plate, and a first discharging port is formed in the position, above the screen plate, of the side wall of the shell; a second discharge hole is formed in the bottom of the shell; the driving mechanism is mounted on the shell and can drive the sieve plate to move; and the spraying mechanism is mounted on the shell and can spray water to the sieve plate. According to the device, the spraying mechanism sprays water to the sieve plate and the gravels on the sieve plate, the situation that the gravels falling out of the first discharging port are bonded due to the fact that concrete grout is left on the gravels is avoided, and the situation that the concrete grout is condensed on the sieve plate and influences the screening capacity of the sieve plate can also be avoided.

The invention discloses blowing-carding blending equipment with a self-cleaning function, and relates to the technical field of textile machinery. The device comprises a material conveying channel, one side of the material conveying channel is fixedly connected with airflow conveying equipment, and the top of the material conveying channel is slidably connected with a bale plucker. By means of flexible contact between the soft hair cleaning belt of the cleaning mechanism and the inner wall of the conveying channel and linkage driving of the driving motor, adhered cotton can be scraped off in real time and conveyed to the cleaning box, the problems of equipment abrasion and noise caused by a traditional rigid scraping plate are avoided, meanwhile, continuous cleaning is achieved, shutdown maintenance is not needed, the production efficiency is improved, and the production cost is reduced. The blowing mechanism efficiently guides cotton conveyed by the cleaning belt to a downstream process through directional airflow generated by rotation of fan blades, the dredging mechanism is synchronously driven to automatically dredge the air inlet sieve plate through transmission fit of a first worm and a transmission shaft, the problem of insufficient airflow caused by blockage of sieve holes is solved, and airflow conveying stability is ensured.

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

The invention discloses a full-automatic intelligent screening and weighing device and method for earth and stone materials. The device comprises a rack, a vibration platform is arranged on the rack, a connecting base is further arranged on the rack, and a plurality of vibration screening trays are connected to the connecting base in a sliding mode; a weight sensor is arranged on the vibration platform; a discharging mechanism is arranged at the bottom of the vibrating sieve tray; the rack is further provided with a feeding mechanism, and the feeding mechanism is provided with a bearing plate in a matched mode. After screening is completed, the multiple vibrating screen trays are sequentially lifted through the driving mechanism, and soil and stone materials in the vibrating screen trays can be discharged into the bearing plate from the discharging opening to complete automatic discharging; the weight sensor can automatically calculate the weight of the discharged earth and stone materials according to the weight difference along with the re-putting down of the vibrating sieve tray; and finally, the weight distribution conditions of different particle sizes after the soil and stone materials are screened can be obtained. According to the invention, the automatic unloading of the vibrating sieve tray can be realized, and the grading distribution condition of soil and stone materials can be automatically calculated, so that the screening and weighing efficiency of the soil and stone materials is improved.

The invention discloses a soybean low-crushing threshing multivariable collaborative optimization control method and system, and relates to the field of agricultural machinery automation control. The method comprises the following steps: acquiring grain harvesting and threshing related data at the current moment; based on grain harvesting and threshing related data, soybean low-crushing threshing multivariable cooperative control is carried out, and the rotating speed of a target roller and the opening degree of a concave grid are solved; and outputting a control instruction according to a solving result to realize online regulation and control of the rotating speed of the roller and the opening degree of the concave sieve. The intelligent level of the grain combine harvester can be effectively improved, high-quality and low-loss harvesting of grain harvesting is achieved, grain saving and loss reduction of grain harvesting are achieved, and agricultural economic benefits are effectively improved.

The invention belongs to the field of industrial waste treatment and comprehensive utilization, and provides a method and a process for preparing a heavy metal polluted acidic wastewater purifying agent by coupling red mud with carbide slag, and the process comprises the following steps: S1, raw material pretreatment: respectively drying original red mud and carbide slag at 105 + / -5 DEG C to constant weight, crushing, and sieving with a 100-mesh sieve; s2, mixing: uniformly premixing the red mud and the carbide slag powder in proportion, mixing the mixture with a binder in proportion, and uniformly stirring; s3, activating: slowly spraying a proper amount of water into the uniformly mixed dry powder, and stirring while adding until the material forms a wet block mass with certain plasticity; s4, granulation: feeding the wet material into a granulator with the granulation particle size of 2-5 mm, and aging the raw material particles at room temperature for 12-24 hours; and S5, drying and activating: drying the aged particles at 105-120 DEG C until the weight is constant, cooling to room temperature, and sieving to obtain the purifying agent product. The method has the effects of being high in heavy metal removal rate, stable, safe and efficient.

The application relates to a screening device for tea processing, belonging to the technical field of tea processing, which comprises a tank body for bearing parts; a sieve plate arranged on the tank body and used for screening tea; and a cleaning assembly arranged on the tank body and used for cleaning the tea leaves blocked in the sieve holes. The cleaning assembly comprises a rotating part arranged on the tank body; a clamping part arranged in an annular array on the rotating part and connected to the output end of the rotating part and used for clamping the tea leaves blocked in the sieve holes; the clamping part comprises a rotating sleeve arranged on the rotating part and connected to the output end of the rotating part, so that the rotating sleeve rotates in the axial direction of the tank body and simultaneously rotates in the axial direction of the rotating sleeve; a connecting sleeve is sleeved on the rotating sleeve; and a clamping piece is arranged on the connecting sleeve and used for controlling the opening and closing of the clamping piece by generating tension on the connecting sleeve during the rotation of the rotating sleeve, so as to clamp the tea leaves blocked in the sieve holes on the sieve plate. The application can clean the residues of the tea leaves in the sieve holes on the sieve plate through the cleaning assembly.

The invention relates to the technical field of plastic part processing machinery, and discloses deburring equipment for insulating plate production based on plastic recycling, the deburring equipment comprises a shell, one side of the shell is provided with a 45-degree inclined plane, one side of the inclined plane is provided with a placing port, and the inner wall of one end, far away from the inclined plane, of the shell is fixedly provided with a dry ice nozzle. According to the dry ice deburring machine, the shell is arranged, the original open environment of the dry ice deburring machine is changed into a closed environment, then burrs can be gathered in the shell, subsequent burr cleaning and recycling are facilitated, and the burrs enter the bottom of the shell through sieve holes, so that the problem that the burrs fly around in the shell due to the fact that dry ice jet flow blows the burrs is avoided; in addition, the temperature of the dry ice jet flow is extremely low, workers are prevented from making direct contact with low-temperature airflow generated by the dry ice under protection of the shell, the dry ice airflow is isolated by the shell and cannot blow dust, and the health and cleanliness of the working environment of the workers are further guaranteed.

The utility model belongs to the technical field of granulators, and particularly relates to a feed particle size screening structure and a granulator, the feed particle size screening structure comprises a granulator main body and a discharge cover, the inner side of the discharge cover is bonded with the outer side of a connecting pad, the inner side of the connecting pad is fixed with the frame of a sieve plate, the upper side of the sieve plate is provided with a connecting plate, and the connecting plate is connected with the discharge cover. One end of the connecting plate is fixed to the upper side of the semi-fluted disc through a center rod. When feed particles are discharged through a discharging cover, a driving motor is started at the same time, and when a bevel gear II rotates, a connecting plate can push the discharged feed particles left and right, so that the screening efficiency of a screening plate on the feed particles is enhanced, and the feed particles can be screened by a granulator main body; and the connecting pad drives the sieve plate to shake, so that the surface of the sieve plate is not easy to block the feed particles, and the feed particles can be conveniently and quickly sieved by the granulator.

The application discloses a process for producing a fragrance-releasing shaving board by using agarwood extraction residues, and comprises the following steps: crushing the agarwood residues, naturally air-drying, and obtaining initial raw materials; taking the initial raw materials that cannot pass through a 20-mesh sieve as shaving board core layer raw materials, and taking the initial raw materials that can pass through a 20-mesh sieve as shaving board surface layer raw materials; uniformly spraying an adhesive into the shaving board core layer raw materials, uniformly stirring, and obtaining a mixture one; uniformly spraying the adhesive into the shaving board surface layer raw materials, uniformly stirring, and obtaining a mixture two; uniformly laying and pre-pressing the mixture two, the mixture one and the mixture two in sequence to obtain a pre-pressed board blank; hot-pressing the pre-pressed board blank by using a hot-pressing process; cooling and curing the hot-pressed board blank, and obtaining the fragrance-releasing shaving board. The process uses the agarwood residues as raw materials to prepare the long-lasting fragrance-releasing shaving board, and the prepared board has good physical and mechanical properties, thermal stability and long-lasting fragrance-releasing performance.

The invention relates to the technical field of separation, and discloses a vibration screening grain moving cleaning center which comprises a moving frame, a plurality of shock absorbers are fixedly connected to the moving frame, a vibration frame inclining towards one side is fixedly connected between the shock absorbers, and a first screen and a second screen which are vertically distributed and incline towards one side are fixedly connected into the vibration frame. The first screen and the second screen are used for screening large gravel and small dust correspondingly, a partition plate is fixedly connected to the upper side in the vibration frame, and a rotating plate is rotationally connected to the side, close to an inlet of the vibration frame, of the partition plate. The first screen and the second screen are arranged in the inclined vibration frame, the gentle slope is adopted, continuous vibration is matched, grains slowly and evenly slide on the screen faces, the screening path is prolonged, the screening time is prolonged, the local accumulation or short circuit phenomenon is avoided, it is ensured that all the area screen faces fully participate in operation, and screening uniformity and processing precision are remarkably improved.

The utility model discloses an anti-blocking screening mesh surface structure for screening gravel. The anti-blocking screening mesh surface structure comprises a screening surface with screening holes; hole adjusting bulges are arranged on the axial outer surfaces of the rolling rods, and the rolling rods correspond to the sieve holes which are longitudinally distributed in the same row on the sieve surface; the vibrating screen further comprises a mounting frame with mounting grooves, and the left side and the right side of the screen face are mounted in the mounting grooves of the mounting frame through elastic pieces capable of generating elastic deformation. When the screen holes are blocked by blocking objects, the side edges, away from the screen face, of the electric telescopic rod A and the electric telescopic rod B do not clamp the screen face any more, the screen face is supported in the mounting frame through the elastic pieces, rolling rods rotate to drive hole adjusting protrusions to jack up the blocking objects, the screen face is buffered through the elastic pieces at the moment, and the situation that the blocking objects are jacked up by the hole adjusting protrusions excessively rigidly, and the screen face is damaged is avoided. The problem that in the jacking process of a fixing rod, excessive hard jacking is likely to be generated on a screen, and consequently damage is caused is solved.

The utility model relates to the technical field of residue innocent treatment, in particular to a fumigation residue innocent treatment device which comprises a feeding mechanism, a material sprinkling mechanism and a uniform stirring mechanism, the feeding mechanism comprises a water tank, a powder particle feeding machine arranged on one side of the water tank, and an electric control box arranged on the other side of the water tank, and the powder particle feeding machine is in wired connection with the electric control box. According to the utility model, when the powder particle feeding machine conveys residues, the output shaft of the motor drives the turntable, the ball sleeve, the ball rod and the gear ring to rotate, the ball rod drives the lifting rotating shaft to swing and lift when the turntable drives the ball sleeve to rotate for a circle, and then the triangular sieve plate separates and spills raw materials fed by the powder particle feeding machine, so that the residues are effectively prevented from being accumulated; meanwhile, the gear ring enables the stirring shafts to rotate through the two gear shafts, under cooperation of the two stirring shafts, the chemical treatment agent and water are fully fused, the active degree of residues in the water tank is improved, and the residue dissolving efficiency is improved.

This invention relates to the field of forage seeds, disclosing an efficient and low-loss combined harvesting method and system for forage seeds based on the Internet of Things (IoT). The method includes: sending a detection laser from a combine harvester in the forward direction, and receiving the reflected laser in the combine harvester; constructing a density map and height map of forage plants in the forward direction; adjusting the height of the cutting module to obtain a cutting module with adjusted height; adjusting the perimeter of the conveying module using the height map to obtain a conveying module with adjusted perimeter; adjusting the size of the sieve aperture of the threshing module using the particle diameter to obtain a threshing module with adjusted sieve aperture; adjusting the wind speed of the separation module to obtain a separation module with adjusted wind speed; and completing the combined harvesting of forage seeds using the height-adjusted cutting module, the perimeter-adjusted conveying module, the sieve-aperture-adjusted threshing module, and the wind speed-adjusted separation module. This invention enables efficient and low-loss adjustment of the combine harvester through IoT technology.

The invention discloses crushing equipment for waste biomass combustion heat supply, and relates to the technical field of waste biomass crushing. The shaking sieve mechanism, the cutting mechanism and the crushing roller mechanism are sequentially assembled on the rack from top to bottom in the waste material moving direction; the sieve shaking mechanism comprises a first support and a first box body fixed with the upper part of the first support; the stepped screening assembly is arranged in the first box body; and the eccentric vibration wheel assembly is arranged on the first box body. Impurity removal and separation, large-size shearing and crushing operation are sequentially conducted on waste, impurities are rapidly screened out, the purity of the waste is improved, and the large-size waste is pretreated, so that waste particles machined by the crushing roller mechanism can better meet the fine and uniform form required by the final purpose; therefore, stable control of subsequent procedures such as conveying, drying and granulation and unification of product quality are facilitated.

A heavy medium pre-separation efficient fixed separating screen comprises a control assembly, a magnetic separation and flow guide integrated assembly and a supporting frame and is characterized in that a cavity with an opening in the upper end is formed in a frame body of the supporting frame, a fixing plate is fixed to a ground fixing piece through bolts, and the control assembly is of an integrated structure and can control the magnetic separation and flow guide integrated assembly according to real-time data of materials. A flow guide groove of the magnetic separation and flow guide integrated assembly is of a downwards-inclined trapezoidal structure with the front portion wide and the rear portion narrow, a magnetic separation roller is arranged above the flow guide groove, a medium recycling groove is formed below the magnetic separation roller, and a U-shaped scraper is arranged in a discharging area of the magnetic separation roller. A sieve plate I and a sieve plate II which are respectively supported by a sieve frame I and a sieve frame II and incline downwards are arranged in the cavity, the upper layer is provided with slot-shaped sieve holes, and the lower layer is provided with circular sieve holes, so that the problems that an integrated control assembly, a magnetic separation and flow guide integrated assembly, a high-voltage pulse cleaning assembly and the like cannot be used are effectively solved.

The utility model discloses a corn planting fertilizing device which comprises a plate trailer, a material box is fixedly arranged on the upper end face of the plate trailer and located on one side, a smashing blade is rotationally arranged in the material box, a transmission motor is arranged at one end of the smashing blade and located on the outer wall of the material box, a sieve plate is arranged at the bottom of the smashing blade, and the transmission motor is connected with the sieve plate. Buffer springs are fixedly arranged at the two ends of the sieve plate, bearing plates are correspondingly arranged on the inner wall of the material box and located on the two sides, the lower ends of the buffer springs are fixedly connected with the bearing plates, and a vibration motor is arranged on the lower end face of the sieve plate and located in the middle. Therefore, a user can turn on the transmission motor to rotate the smashing blades so as to smash large fertilizer in the material box, and meanwhile, turn on the vibration motor to enable the sieve plate to vibrate up and down, so that the fertilizer meeting the specification penetrates through the sieve plate and leaks out, and follow-up fertilization is facilitated.

The invention belongs to the technical field of agricultural machinery devices, and provides a bundling machine which comprises a dust removal sieve, a first bin body and a second bin body which are connected in sequence and communicated in sequence. A bundling chamber is arranged on the side face of the second bin body and communicates with an outlet of the second bin body. A feeding roller and a plurality of rollers are rotationally arranged in the bundling chamber, the feeding roller and the rollers are sequentially arranged along the inner wall of the bundling chamber, the feeding roller and one roller directly face an outlet of the second bin body, and a feeding gap is formed between the rollers and the feeding roller. By arranging the feeding roller and the rotary drum, straw is forcibly fed into the bundling chamber, and then bundled round straw bundles are compact, bale breaking is avoided, and the bale shape is regular.

This invention provides a slow-release feed device for marine aquaculture, relating to the field of marine aquaculture technology. It includes a rotating drum, a drum cover, and a fixed shaft. A rotating impeller is mounted on the rotating drum, which is connected to the drum cover to form a cylindrical space. The fixed shaft passes through the central axis of the rotating drum and drum cover and is rotatably connected to them. A cake holder, a feed cake, and a cake brush are installed within the cylindrical space. The cake holder is fixedly connected to the fixed shaft, and the feed cake is mounted and fixed on the cake holder. The cake brush rotates synchronously with the rotating drum, brushing the surface of the feed cake to accelerate slow release. Utilizing ocean currents or the up-and-down movement of seawater, the rotating impeller drives the rotating drum to rotate, which in turn drives the cake brush to continuously brush the slow-release flocculated layer formed on the surface of the feed cake. This effectively accelerates the diffusion and release of feed particles, solving the problem of excessively long natural slow-release time for feed cakes and their inability to pass through a 150-mesh or finer silk sieve, thus meeting the needs of aquaculture such as oyster farming.

The utility model discloses a quick and uniform mortar stirring device for building construction, which relates to the field of building construction and comprises a tank body, a top cover is arranged at the top of the tank body, a stirring component is arranged at the bottom of the tank body, feeding pipes are connected to the left side and the right side of the top cover, two discharging pipes are connected to the bottom of the tank body, and electromagnetic valves are connected to the outer walls of the discharging pipes. A clamping groove is formed in the top of the tank body. Non-caked mortar raw materials are filtered through the filter sieve hopper, the caked mortar raw materials are located at the bottom of the filter sieve hopper, the electric telescopic rod is used for pulling the connecting plate, the connecting plate pulls the square rod, the square rod slides in the square cylinder, the square rod is used for pushing the grinding head, and the grinding head is driven by the motor to rotate. According to the mortar stirring device, the grinding head extends into the filter sieve hopper, the second motor is used for driving the grinding head to rotate, and the grinding head can be used for grinding and crushing caked mortar raw materials at the bottom of the filter sieve hopper, so that the mortar stirring efficiency and quality can be effectively improved.

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

The utility model relates to the technical field of medicine production and processing, concretely is a raw material mixing device for medicine production and processing, including mixing box, the one side of mixing box is hinged and is installed with the box door, the one side fixed mounting of box door has PLC controller, the inside of mixing box is provided with the sieve mechanism, the mixing mechanism is provided with in the inside of mixing box and is located the upper portion of sieve mechanism. This raw material mixing device for medicine production and processing, through the sieve mechanism set up, effectively promoted the sieve ability of device, the first motor drives the rotation of first rotary lever, makes the knocking rubber ball of connecting rod top end unceasingly knock sieve net board, cooperates the elastic action of support sleeve pipe, movable rod and connecting spring, and sieve net board produces vibration, can be fast with the granule size of mixed medicine raw material sieve, need not additional manual sieve, solved the inconvenient problem of sieve operation to the raw material after mixing in prior art, greatly promoted the convenience of processing use.

The utility model provides a kind of coke balling machine, belong to balling machine technical field, comprising: box, hammering subassembly, sieve plate subassembly, locking mechanism, discharge screening mechanism and dust receiving subassembly;Box is equipped with balling chamber, screening chamber, discharge chamber and dust receiving chamber, is equipped with lining in balling chamber, hammering subassembly is arranged in balling chamber, and hammering subassembly is connected with the output end of driving device;Two sides of screening chamber are equipped with slide respectively, sieve plate subassembly is arranged on slide, and sieve plate subassembly is below hammering subassembly;The device cooperates through sieve plate subassembly, discharge screening mechanism and dust receiving subassembly, improves the separation effect of globular coke and chippings, dust, reduces the problem that chippings mix into finished product or dust accumulation;Sieve plate subassembly is fixed by locking mechanism, both ensure the stability of sieve plate subassembly under high-frequency vibration, avoid structural damage caused by direct rigid contact, to prolong the service life of equipment and keep screening accuracy.

The present application relates to the technical field of crushing device, specifically to a fish feed crushing device, which comprises a device shell, the surface of the device shell is rotationally connected with a plurality of vertically stacked sieve plates, and the plurality of sieve plates separate the interior of the device shell into two chambers, the upper end of the sieve plate is a crushing chamber, and the lower end of the sieve plate is a discharge chamber, the upper end of the crushing chamber is provided with a channel opening for feeding, and a crushing assembly is installed in the crushing chamber, the size of the discharged particles is controlled by rotating the sieve plate below the crushing assembly, the surface of the device shell is rotationally connected with a limiting stopper for limiting the rotation of the sieve plate, the uppermost sieve plate is a top sieve plate, and the lowermost sieve plate is a bottom sieve plate, the present application aims to solve the problem that the existing crusher usually replaces the screen mesh to change the size of the screen hole, and the replacement process is complicated and inconvenient to use.

The utility model provides a detection crushing device, belongs to the field of food detection equipment, and aims to solve the problems that the detection accuracy is influenced by different sizes of crushed particles and the structure is complicated and difficult to disassemble and clean. A reciprocating sliding frame is slidably connected to the inner side of the top of the screening bottom shell, a filter sieve is clamped to the top of the reciprocating sliding frame, a driving motor is fixedly mounted at the bottom of the front side of the screening bottom shell, a smashing cavity shell is fixedly connected to the top of the screening bottom shell, and a smashing motor is fixedly mounted in the middle of the top end face of the smashing cavity shell. According to the detecting and crushing device, the eccentric driving plate is controlled to rotate through the driving motor, the eccentric driving plate drives the control pull rod to reciprocate back and forth so as to control the reciprocating sliding frame to reciprocate back and forth, the reciprocating sliding frame drives the filter sieve to screen crushed food particles, and the connecting insertion hole of the filter sieve is connected with the connecting insertion rod so as to realize the screening operation. Therefore, the filter sieve can be replaced so as to meet the requirements of different detection items on the size of crushed particles.

The utility model relates to the technical field of washing and screening devices, in particular to a linear washing and screening device for spina date seeds. The linear washing and screening device for the spina date seeds comprises a rack, frame plates which are obliquely arranged are symmetrically arranged at the top of the rack, and a plurality of screen plate assemblies used for conducting impurity screening operation on the spina date seeds are evenly arranged between the frame plates at intervals; a plurality of sets of flushing assemblies used for flushing the surfaces of spina date seeds are evenly arranged on the upper portion of the sieve plate assembly in the length direction of the sieve plate assembly at intervals, a gathering hopper used for gathering and collecting cleaning waste water is arranged at the bottom of the frame plate, and a vibration assembly which provides a vibration source and is adjustable in vibration direction is further arranged on one side of the gathering hopper. Inertia assemblies for enhancing the amplitude are symmetrically arranged between the frame plates. Due to the fact that the linear washing and screening device can achieve continuous washing and screening of the spina date seeds to improve the production efficiency, and meanwhile the spina date seeds can keep moving all the time in the washing process to prevent impurity attachment.

This invention discloses an automated tea-harvesting device and method suitable for mountainous and hilly areas, relating to the field of automated tea harvesting. The device includes a frame, within which a feeding mechanism is rotatably mounted. The feeding mechanism contains a rotating component and a drying component. A cutting component is located within the frame, and a sieve frame with a sieve plate is positioned at the other end of the feeding mechanism. A first transmission mechanism is located on one side of the feeding mechanism. Through the action of the second transmission mechanism, the tea leaves are reciprocated and shaken, evenly spreading them on the top of the feeding mechanism. In conjunction with the drying component, the moisture on the tea leaves is dried. The sieve frame reciprocates and slides to sieve the tea leaves under the action of a shaped gear and a gear ring. The sieve plate, in turn, enables the tea leaves to be sorted by size during harvesting and feeding.