17551results about "Sieving" patented technology

The invention relates to the technical field of screening, and discloses an iron ore powder and antifreezing agent mixed screening device which comprises a rack, and the surface where the top of the rack is located is inclined; a first bearing seat is mounted on the rack, a roller with a rubber wheel surface is rotationally connected to the first bearing seat, a universal coupling is connected to the shaft end of the roller, a shaft rod is connected to the other end of the universal coupling, a speed reducer arranged on a second supporting seat is connected to the free end of the shaft rod, and the second supporting seat is connected with the rack; the speed reducer is driven by a first motor arranged on the rack, and the first motor and the speed reducer transmit power through belt transmission; a drum screen assembly used for improving the mixing uniformity of the iron ore powder and the anti-freezing agent is connected to the rolling wheel in a rolling mode, and mixed materials are discharged from screen holes of the drum screen assembly. Mixing, screening, conveying and cleaning are integrated, mixing uniformity is high, screening efficiency is excellent, operation and maintenance are convenient and fast, and the requirement for mixing and screening of iron ore powder and an anti-freezing agent is met.

The invention relates to the technical field of chemical raw material processing, and discloses a petroleum coke particle size grading and batching system which comprises a raw material pretreatment module, a multi-stage dynamic screening module, a particle size real-time monitoring module, an intelligent batching decision module and a closed-loop control execution module. The classification definiteness of materials with different particle sizes is ensured; meanwhile, through a particle size monitoring feedback mechanism, the particle size distribution abnormal state in the screening process is recognized in real time, the material purity within the target particle size range is guaranteed, the particle size grading accuracy is improved, a closed-loop matching decision module is arranged, particle matching weight parameters are dynamically optimized in combination with the electrolytic aluminum process requirement, and the particle size grading accuracy is improved. The deviation degree between the ingredient proportion and the target performance can be judged in real time; the speed ratio of the conveying belt and the opening degree of the stock bin are automatically corrected through the executing mechanism, it is guaranteed that the mixing proportion of coarse particles, medium particles and fine particles is always in the optimal interval matched with electrolytic aluminum anode production, and the quality stability of anode carbon blocks is improved.

A crushing apparatus for treating waste lithium batteries, comprising a supporting bottom plate (1). A crushing box (2) is provided above the supporting bottom plate, a fixing plate (8) is provided below the crushing box, a supporting block (4) and two fixing blocks (6) are fixedly connected to the upper surface of the supporting bottom plate, a threaded rod (10) is rotatably connected between the supporting block and the supporting bottom plate, a screening box (9) is provided above the fixing plate, and a vibration motor (21) is fixedly mounted on the left surface of the screening box. When it is necessary to crush waste lithium batteries, a first motor (5) is started, an output shaft of the first motor drives the front gear among two gears (15) to rotate, the two gears mesh with each other in the rotation process, and at the moment, two crushing rollers (3) fixedly connected to the two gears also rotate accordingly. The two crushing rollers rotate towards each other to effectively crush the waste lithium batteries, the slag obtained by crushing falls into the screening box provided below for conveyance, and a screening mesh (17) is provided in the screening box. The screening efficiency can be improved by means of the vibration of the vibration motor, and the distance between the crushing box and the screening box can be adjusted according to needs.

The invention discloses an intelligent soil classification automation system and method. Comprising a soil sample pretreatment module used for air drying, stirring and weighing treatment; the soil sample particle size grading screening module is used for carrying out step-by-step screening treatment to obtain a first-stage particle distribution result; the liquid-plastic limit automatic measurement module is used for performing measurement by using a conometer method to obtain a measurement result of the conometer method; the burning measurement module is used for carrying out burning treatment to obtain a corresponding burning measurement result; the densimeter measurement module is used for carrying out particle analysis through a densimeter method to obtain a second-stage particle distribution result; and the control analysis module is used for realizing automatic control of the intelligent soil classification automation system and performing data analysis to obtain the soil sample type and the corresponding optimal solidification method. According to the system disclosed by the invention, the whole-process automation and data processing of soil classification testing are realized, and the soil sample type and the corresponding optimal solidification method can be automatically obtained.

The utility model provides an organic fertilizer screening machine, which belongs to the technical field of screening machines and comprises a machine body and a fixing frame arranged on the machine body, a mounting frame is fixedly connected to the outer wall of one side of the machine body, and a motor is mounted on the mounting frame. In the working process of the screening assembly, the adjusting frames which move oppositely are arranged between the adjacent adjusting frames, so that the precision of the screen cloth between the adjusting frames is repeatedly adjusted, the screen cloth continuously stretches and rebounds to generate slight vibration, accumulation of materials on the screen cloth is reduced, blocking of screen holes is reduced, and the screening efficiency is improved. Meanwhile, a rotating shaft drives beating blades on the outer side to rotate when the screening assembly works, so that the beating blades abut against the outer wall of a screen to conduct sliding extrusion, the screen sinks towards the inner side, the screen rebounds after the beating blades are disengaged from contact, vibration is generated in the process, fertilizer blocked in screen holes is vibrated and dredged, and the fertilizer blocking effect is improved. And the condition that the screen is blocked is reduced, so that the smoothness of screen holes is kept, and the screening effect is guaranteed.

The utility model discloses a rotary screening machine with a rotary blowing device for screening powder, which comprises a rotary screening device and a rotary blowing device, and a cylindrical screen distributed along a first direction is arranged in the rotary screening device; the rotary air blowing device comprises a hollow ventilation cylinder and an air compressor which are arranged in the first direction, one end of the hollow ventilation cylinder is connected with the air compressor, the other end of the hollow ventilation cylinder extends into the cylindrical screen, a plurality of air blowing openings are formed in the side wall of the hollow ventilation cylinder, and air is pressurized through the air compressor and then fed into the hollow ventilation cylinder. And the powder is blown out at high pressure through the plurality of air blowing ports, so that the high-pressure air flow directly acts on the powder in the cylindrical screen mesh, the powder is disturbed and pushed to keep a flowing state, powder accumulation caused by static or gravity action is reduced, the powder is promoted to flow out through the cylindrical screen mesh, the phenomenon that the powder blocks the cylindrical screen mesh in the screening process is reduced, and the screening efficiency is improved. And the shutdown cleaning frequency caused by blockage is reduced.

The invention relates to the field of strip steel material coating liquid, and discloses production equipment for strip steel material surface coating liquid, which comprises a support table, a reaction kettle is fixedly connected in the support table, the bottom end of the reaction kettle is fixedly connected with a discharge port, and the upper surface of the support table is fixedly connected with a liquid tank. A first supporting frame is fixedly connected to the upper surface of the supporting table, a solid stock bin is fixedly connected to the interior of the first supporting frame, a conveying pipe is fixedly connected to the bottom end of the solid stock bin, a feeding port is fixedly connected to the outer wall of the conveying pipe, and a first motor is arranged at one end of the conveying pipe. Through vibration of the vibration bin and the sieve plate thereof, material caking is effectively prevented, it is ensured that materials smoothly and continuously flow into the reaction kettle, blockage and feeding interruption are avoided, dispersion uniformity and dissolution and reaction efficiency of the materials are improved, stirring and mixing time is shortened, and energy consumption is reduced.

The utility model belongs to the technical field of cement processing, and relates to a feeding device of a cement raw material powder roller press, which comprises a feeding box, feeding baffles, a sieve plate and an adjusting device, the feeding baffles are mounted on two sides below the feeding box through bearings, the sieve plate is fixed on the baffles, and the adjusting device is mounted on the outer side of a box body, connected with the baffles and capable of adjusting the positions of the baffles. The baffle plate is arranged on the sieve plate, a material distribution net is uniformly arranged below the sieve plate so as to uniformly distribute the materials, the adjusting device consists of a motor, a hydraulic rod and a sliding block, and the motor controls the baffle plate through the hydraulic rod and the sliding block so as to realize the adjustment of the feeding quantity. The materials with large particle sizes in the raw materials are firstly sieved and remained on the sieve plate, and the raw materials with small particle sizes fall down and are crushed and then are fed into the baffle plate to be opened; meshes of the sieve plate are enlarged, so that the raw materials with large particle sizes fall down, the raw materials are uniformly dispersed on the extrusion rollers through the material distribution net below the sieve plate, and the utilization rate of the extrusion rollers is maximized.

The utility model relates to a coal gangue recycling treatment device, and belongs to the technical field of mixing and stirring equipment. Feeding devices are fixedly arranged at the four corners of the upper portion of the stirring barrel, a left net rack with side hooks is movably hung below the feeding devices and above the stirring barrel, a right net rack is movably arranged on one side of the left net rack through a positioning hinge, and a lifting handle is fixedly arranged on the right net rack; the lower part of the side hook is movably contacted with an inductive switch; the inductive switch is fixed on the outer side surface of the mixing drum; coal gangue powder fed from the feeding device is filtered by the left net rack and the right net rack and then falls into the stirring barrel, the motor with the speed reducer drives the main shaft and the spiral blade to conduct mixing and stirring, and the right end of the bottom of the stirring barrel is provided with the discharging port and the discharging device so that the flow can be controlled. Four groups of moving wheels are fixedly arranged at the bottom of the support frame, so that the device is convenient to transport and move; the control switch is connected with the motor, the gear motor and the inductive switch through power lines, unified control is achieved, and operation is safe.

The invention relates to the field of slag recovery, and discloses a drying device and gasification furnace slag recovery equipment. The drying device comprises a main body, at least two screens, a heating interlayer and a recovery assembly. A drying cavity and a feeding port located in the top of the drying cavity are formed in the main body. The at least two screens are oppositely arranged in the drying chamber at intervals in the vertical direction, and the diameters of screen holes of the at least two screens are gradually reduced from top to bottom; the heating interlayer is arranged in the side wall of the drying chamber; the recycling assembly is installed on the main body and used for recycling the furnace slag dried in the drying cavity, and the at least two screens are used for receiving the furnace slag entering the drying cavity from the feeding port so as to divide the furnace slag into at least two parts, so that excessive accumulation of the furnace slag is avoided, and the furnace slag drying efficiency is improved. And sufficient heating of the slag is guaranteed, and the drying effect is improved.

The invention relates to the technical field of building construction equipment, in particular to a concrete mixing device with movable blades, which comprises a mixing drum, a mixing shaft, a vibrating screen component and an adjusting mixing component, the mixing shaft is arranged in the mixing drum, and the adjusting mixing component is mounted on the mixing shaft through a hinge structure. The angle and the length of the blade can be adjusted by adjusting the stirring assembly; the vibrating screen component is arranged at the top of the stirring barrel and can pretreat raw materials and remove caked impurities; by adjusting the stirring assembly, stirring dead angles can be eliminated, the concrete stirring uniformity is improved, material segregation is reduced, and the stirring efficiency is improved.

The invention discloses a corn precision seeding device, and relates to the technical field of corn precision seeding, the corn precision seeding device comprises a device main body and a plurality of driving wheels, the device main body is fixedly provided with seeding equipment in linear uniform distribution, and the device main body is provided with a material conveying assembly for screening corn seeds; an adjusting assembly is jointly arranged between the seeding devices and used for optimizing the seeding precision, and a seeding guiding assembly is jointly arranged between the seeding devices. The corn seed sowing device has the advantages that before corn seeds are sown, the corn seeds are screened, so that the sowing precision of a follow-up device on the corn seeds can be improved, meanwhile, the opening size of the spoon clamp and the gap between the elastic blocking plate and the corresponding fixed spoon can be adaptively adjusted according to the size and the number of the corn seeds to be sown, and the sowing precision of the corn seeds is improved. Therefore, the seeding guiding precision of the plugging column, the fixed spoon and the elastic plugging plate which are matched with one another on corn seeds can be further improved.

The present application relates to the technical fields of animal feed preparation, and discloses a livestock feed preparation device, in order to solve the problem of clogging when the filter screen filters for a long time, the sieve cylinder is driven to rotate by the driving shaft, in this process, the relative movement between the driving wheel and the inside of the shell is utilized to force the driving wheel to move in the opposite direction between the driving sieve roller and the driven sieve roller by the transmission gear set. Since the filter part is located between the distance between the driving sieve roller and the driven sieve roller, the feed meeting the distance can be screened out, and the large stone or the granular particles are retained in the inside of the sieve cylinder. By the continuous rotation of the driving sieve roller and the driven sieve roller, the filter material clogged between the two is driven to have a tendency to move away from the filter part, thereby preventing the filter part from accumulating, and finally realizing the effect that the filter part is not easy to be clogged.

The invention relates to the technical field of ore particle screening, and discloses high-recovery-rate micro-fine-particle magnetite ore dressing equipment which comprises a mounting frame, a protective shell is fixedly mounted on the mounting frame, a screening assembly is arranged on the protective shell, and the screening assembly comprises a three-way pipe. In order to enable the high-recovery-rate micro-fine-particle magnetic iron ore preparation equipment to be suitable for efficient separation of high-added-value micro-fine-particle iron ore, the screening assembly is arranged, the screening assembly is matched with a power motor to drive a large belt wheel through a small belt wheel and a transmission belt, an output shaft drives an auger rod to push ore in a three-way pipe, feeding blockage is avoided, and the high-recovery-rate micro-fine-particle magnetic iron ore preparation equipment is suitable for efficient separation of high-added-value micro-fine-particle iron ore. And meanwhile, a centrifugal motor drives a trilateral frame to drive a centrifugal screen drum to rotate at a high speed, fine particles fall into a discharging hopper through screen holes by utilizing centrifugal force, and coarse particles are discharged from a first discharging pipe through a mounting drum. And the stirring paddle rotates synchronously to prevent the fine particles from accumulating in the funnel.

In one aspect there is provided a method of monitoring a screening device process efficiency of a screening device, the method comprising: receiving input data relating to operation of the screening device process; based on the input data, determining output data representing a set of performance metrics of the screening device process; based on the output data, determining a machine performance metric indicative of an efficiency of the screening device process; comparing the machine performance metric with machine performance reference data; initiating an adjustment process for adjusting an operation of the screening device based on the indication of the result.

The utility model discloses a speed-adjustable automatic screening device for spacer particle preparation, and relates to the technical field of spacer particle preparation, the speed-adjustable automatic screening device comprises a mounting frame and a screening box, and an adjusting assembly is arranged in the screening box. According to the screening device, the screening assembly and the adjusting assembly are arranged in a matched mode, spacer particle raw materials on the top of the screening and filtering plate can be screened and filtered through vibration generated by the vibration motor, and the screening efficiency of the spacer particle raw materials is improved; when the spacer particle raw materials which cannot pass through the screening and filtering plate are accumulated at the top of the screening and filtering plate, the screening and filtering plate can be driven by the rotating motor to rotate, so that the screening and filtering plate is turned over, and the spacer particle raw materials which cannot pass through the screening and filtering plate fall off due to gravity; and vibration generated by the vibration motor can be utilized again to vibrate and fall off the spacer particle raw materials partially clamped in the screening holes of the screening filter plate, so that the stacked spacer particle raw materials can be conveniently discharged.

The invention relates to the field of traditional Chinese medicinal material processing, in particular to traditional Chinese medicinal material treatment equipment for wash supplies. Traditional Chinese medicine treatment equipment for wash supplies comprises a fixing frame, a water washing tank, a first conveying belt and a second conveying belt installed on the fixing frame. A rinsing bath is mounted on one side of the fixing frame; a first conveying belt is mounted on the fixing frame; a second conveying belt is installed on the fixing frame and located on the lower left portion of the first conveying belt. According to the loquat leaf screening device, diseased leaves recognized by the camera are grabbed and removed through the arranged grabber, the overlapped loquat leaves are grabbed and separated, and the placing state of the loquat leaves is adjusted, so that the screening efficiency is improved, and smooth proceeding of subsequent brushing operation is guaranteed; and the air exhaust piece is arranged at the third roller to exhaust floating fluff, so that pollution to the loquat leaves and the surrounding environment can be reduced.

The invention relates to the technical field of powder selecting machines, and particularly discloses a composite powder selecting machine which comprises a first filtering bin, an airflow bin and a second filtering bin, a plurality of scraping plates are rotationally connected in the first filtering bin through a gear ring, a fixing ring is rotationally connected to the gear ring, a discharging opening is formed in the fixing ring, a first vertebral plate is fixedly connected in the first filtering bin, and a second vertebral plate is fixedly connected in the second filtering bin. The airflow bin is fixedly connected with a second filtering bin, a vertebral plate II and a conical part are fixedly connected in the second filtering bin, the second filtering bin is fixedly connected with a discharging bin, the vertebral plate II is fixedly connected with a material guide pipe, the gear ring is connected with a motor II through a gear, and the airflow bin is connected with an air pump through an air guide pipe. The cement grinding device has the beneficial effects that cement can be scattered through a stirring plate in the storage bin, coarse powder can be filtered out through a first vertebral plate in the first filtering bin and is discharged from a discharging port through a scraper blade, the cement can rotate along a second vertebral plate through the airflow bin, medium powder and fine powder are separated, and finally the medium powder and the fine powder are separated.

To provide a foreign matter separator and a foreign matter separation method that allow separation of metal wires being foreign matters contained in dust collected by a dust collector.SOLUTION: Dust collected by a dust collector 1 is mechanically sieved with a sieve 5, and the sieved dust is guided to a vertical pipe 7. Then, a gaseous matter is flown in from a lower part of the vertical pipe 7 to generate upward current inside the vertical pipe 7. Further, dust which has been separated according to flotation caused by the upward current is guided to a dust storage tank 8, and metal wires in the sieved dust are sedimented to be separated.SELECTED DRAWING: Figure 1

The utility model provides a cleaning device for picking up forest fruits in the technical field of forest fruit harvesting equipment, which comprises a driving mechanism and a rack, and the rack is connected with the driving mechanism in a pulling manner and is in transmission connection with a transmission mechanism through a power shaft on the driving mechanism and a power transmission shaft on the rack; the fruit picking assembly, the lifting assembly and the cleaning assembly in the machine frame are in transmission connection with the transmission assembly through a plurality of sets of continuous movement transmission pieces. The fruit picking assembly and the lifting assembly are obliquely arranged, the downwards-inclined end of the fruit picking assembly is close to the forward moving direction of the driving mechanism, the downwards-inclined end of the lifting assembly is arranged below the upwards-inclined end of the fruit picking assembly, a plurality of rows of shifting teeth are arranged in the fruit picking assembly, and an oblique fruit picking plate is arranged below the shifting teeth. According to the forest fruit picking and cleaning device, the production cost is reduced through modular design of the driving mechanism and the rack, and the problems that an existing picking and cleaning device is high in production cost and limited in impurity removal effect are solved by lifting, moving and winnowing picked falling forest fruits.

The invention relates to a gravel aggregate screening method and system based on big data analysis, and the method comprises the steps: carrying out the space-time alignment and abnormal value filtering of collected data through an edge calculation node, constructing a high-reliability screening process data set, and executing a first-stage analysis process in a centralized big data platform: carrying out the first-stage analysis process based on an online machine learning model LSTM-RF hybrid model, predicting screening efficiency deviation by second-level frequency, generating a vibration parameter compensation instruction according to a prediction result, dynamically adjusting the amplitude to be + / -0.5 mm or the frequency to be + / -2Hz, and executing a third-level analysis process on a centralized big data platform; and generating a screen inclination angle-feeding rate matching matrix oriented to specific lithology, and forming an optimization strategy real-time instruction.

The utility model discloses a coral sand particle size and shape double sorting device which comprises a plurality of sorting systems, a sorting system fixing support and a screening machine, and the sorting systems comprise a particle size sorting system, a flaky particle sorting system and a block-shaped and rod-shaped particle sorting system which are sequentially connected from top to bottom. The screening machine is compatible with an existing standard inspection screening machine and is simple in structure, complex mechanical equipment does not need to be introduced on the basis that a traditional particle size sorting function is reserved, the screen is customized according to needs during use, and the equipment transformation cost is remarkably reduced; the device disclosed by the utility model can be used for simultaneously screening various sample particles in different target particle size ranges and respectively screening the sample particles in different target particle size ranges in a sheet shape, a block shape and a rod shape.

The invention relates to the technical field of rotary cultivators, in particular to a rotary cultivator with a residual film recycling function. Comprising a front wheel; first rotating shafts are fixedly connected to one sides of the two front wheels, second rotating shafts are fixedly connected to one sides of the two rear wheels, a recycling machine shell is jointly and rotationally connected between the two first rotating shafts and the two second rotating shafts, and a tillage machine is arranged on one side of the recycling machine shell. Through cooperation of a water pump, a second threaded rod, a spraying bin and a spray head, broken films on a screen mesh plate can be dissolved, soil blocks can be decomposed, the problem that a large amount of time is spent on sorting residual films and straw by workers in the follow-up process is solved, a first motor, an air pump, a second motor and the water pump are controlled through a controller, and the working efficiency is improved. Complex residual film recovery and soil treatment processes are integrated into a highly automatic and intelligent operation system, the soil humidity, the residual film density and the impurity content are monitored in real time through a sensor, the suction force of an air pump and the water pressure of a water pump are intelligently adjusted, and soil moisture loss and energy consumption are reduced to the maximum extent while it is ensured that residual films are efficiently recovered.

The utility model discloses a device for sorting copper and aluminum particles after crushing of waste lithium batteries, which is provided with a vibrating screen (1), and a material inlet at the upper part of the vibrating screen (1) receives materials generated by a crusher; the sorting device is also provided with a large particle sorting machine (4) and a small particle sorting machine (6); and a large particle outlet and a small particle outlet of the vibrating screen (1) are respectively connected with the large particle sorting machine (4) and the small particle sorting machine (6) through the conveying pipeline (3). By the adoption of the technical scheme, the copper-aluminum mixture generated in the waste lithium battery crushing and sorting process can be efficiently sorted, high-purity copper particles and aluminum particles are obtained, and recycling of waste materials is achieved; the process is reasonable and feasible, equipment is simple, and recovery cost is low.

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 invention discloses electric carbon product grinding equipment, and relates to the field of grinding equipment, the electric carbon product grinding equipment comprises a machine body, a crushing mechanism is arranged at the top of the machine body, a conveying mechanism is mounted at the bottom of the crushing mechanism, a feeding mechanism is arranged between the conveying mechanism and the machine body, and a grinding mechanism is mounted in the machine body. A large batch of electric carbon raw materials of different sizes are put into the equipment at a time, the mixed raw materials are preliminarily crushed through the crushing rollers, the feeding efficiency is remarkably improved, the labor cost is reduced, the electric carbon raw materials which are not fully crushed are automatically returned to the crushing area through the conveying mechanism to be subjected to secondary treatment, and the production efficiency is improved. A cam is arranged in the conveying mechanism to drive a movable plate to be opened and closed at high frequency, carbon raw materials can be pushed and prevented from being blocked, deep crushing of the raw materials is achieved through cooperation of rotation of an inner barrel and an outer barrel and multi-stage grinding media, meanwhile, impact force generated when the grinding media fall drives a spring type screen to vibrate autonomously, and powder is prevented from sticking and blocking screen holes without additional power. And smooth discharging is ensured.

The utility model provides an impurity removal and sorting integrated cranberry picking machine, and relates to the field of cranberry picking machines. The impurity removal and sorting integrated cranberry picking machine comprises a vehicle body and an advancing assembly, a comb tooth rolling and collecting assembly is installed at one end of the vehicle body, a screening and impurity removal assembly is installed above the vehicle body, and a lifting conveying assembly is installed on the portion, between the comb tooth rolling and collecting assembly and the screening and impurity removal assembly, of the vehicle body. A multi-grid collecting box is installed on the portion, below the screening and impurity removing assembly, of the vehicle body, and the power assembly is used for operation of the comb tooth rolling and collecting assembly, the screening and impurity removing assembly and the lifting conveying assembly. According to the impurity removal and sorting integrated cranberry picking machine, by arranging the screening and impurity removal assembly, the effect of distinguishing specifications while cranberries are picked is achieved, by arranging the comb tooth rolling and collecting assembly and the lifting conveying assembly, the effect of integrally picking the cranberries can be achieved, automatic picking can be achieved, and the picking efficiency is improved. And two states of dry harvesting and wet harvesting can be coped with.

The invention discloses a sand mill centrifugal separation device and a sand mill, and relates to the technical field of sand mills, the sand mill centrifugal separation device is installed on a sand mill body, the sand mill body comprises a rotor and a grinding cylinder, the sand mill centrifugal separation device comprises a separation cylinder and a scraping block, the separation cylinder is connected with the rotor of the sand mill, and the scraping block is connected with the rotor of the sand mill. Grinding balls in the sand mill are located between the outer surface of the separation barrel and the inner wall of a grinding barrel of the sand mill, the separation barrel can synchronously rotate along with a rotor of the sand mill, meanwhile, through gaps are formed in the surface of the separation barrel, and the size of the grinding balls in the grinding barrel is larger than that of the gaps; the scraping block is connected with the separation cylinder and can synchronously rotate along with the separation cylinder, and the scraping block rotates along with the separation cylinder and can drive materials in the middle of the grinding cylinder to penetrate through the gap to flow between the separation cylinder and the inner wall of the grinding cylinder; and a vibration motor is arranged in the scraping block. According to the grinding device, material particles with substandard sizes can be ground more quickly, and the grinding efficiency is effectively improved.

The utility model relates to an automobile part machining shot blasting device, which belongs to the technical field of automobile part machining equipment and comprises a machining table, a machining box is fixedly mounted in the machining table, a rotary clamping mechanism is arranged in the machining box, and a shot blasting mechanism is fixedly mounted on the outer wall of the machining box. And a waste collecting mechanism is arranged at the bottom of the processing box. The rotary clamping mechanism has the advantages that when the rotary clamping mechanism is used, an automobile part to be machined is placed on the top of the first clamp, the sleeve is rotated so that the height of the top end of the sleeve can be adjusted, and then the first clamp and the second clamp stably clamp the automobile part to be machined; and meanwhile, the motor is started, so that the rotating shaft drives the bottom plate and the top plate to rotate, the automobile spare parts rotate with the vertical center line of the rotating shaft as the circle center, and the shot blasting mechanism can better machine the automobile spare parts.

The invention discloses a multi-stage pulverized coal separator with dynamic guide vanes. The multi-stage pulverized coal separator comprises a mounting rack; the transmission assembly is assembled on the mounting frame and is used for conveying pulverized coal; the screening assembly is assembled on the mounting frame and is used for screening pulverized coal with qualified sizes; the threaded discharging opening is fixedly connected to the side face of the mounting frame; and the circulating connecting pipe is fixedly connected to the tail end of the mounting frame. The screening efficiency of the separator is high.