97results about How to "Easy to separate work" patented technology

The invention discloses a rotary wing type unmanned aerial vehicle for spraying pesticides. The rotary wing type unmanned aerial vehicle comprises a main body and a spraying rack body arranged at the bottom of the main body, wherein a pesticide storage cavity is formed in the spraying rack body; stirring blades are arranged on the inner bottom wall of the pesticide storage cavity; the bottoms of the stirring blades are in fit connection with a motor which is embedded in the inner bottom wall of the pesticide storage cavity and is fixedly connected with the inner bottom wall of the pesticide storage cavity; a transmission cavity is formed in the position, below the pesticide storage cavity, in the spraying rack body; guide grooves are symmetrically formed in the left and right sides of the inner bottom wall of the transmission cavity; guide blocks are arranged in the guide grooves; a first supporting plate and a second supporting plate which are symmetrically arranged up and down are arranged in the middle in the transmission cavity; the first supporting plate and the second supporting plate extend to the front and back sides; a rotating shaft which extends up and down is arranged in the middle position between the first supporting plate and the second supporting plate; and an extension section of the top of the rotating shaft penetrates through the end face of the top of the first supporting plate and is in rotational fit connection with the end face of the top of the first supporting plate. According to the rotary wing type unmanned aerial vehicle, the structure is simple, automatic disassembly and assembly can be achieved, later maintenance and carrying are facilitated, the service life is prolonged, the pesticide spraying covering area is increased, and pesticide concentration is uniform.

The invention relates to a separation apparatus, and especially relates to a hardware building cement nail separation apparatus. The technical problem to be solved in the present invention is to provide the hardware building cement iron nail separation apparatus capable of stirring impurities and fully separating iron nails. The hardware building cement nail separation apparatus comprises a separation box and the like; and the top of the left wall of the separation box is connected with a moving mechanism, the bottom of the moving mechanism is connected with a moving rod, the left side and the right side of the moving rod are connected with stirring rods, the stirring rods are positioned in the separation box, a magnetic block is arranged at the bottom of the moving rod, and the magnetic block is positioned between the left stirring rod and the right stirring rod. The hardware building cement nail separation apparatus allows the iron nails in the separation box to be uniformly magnetically attracted by the arranged magnetic block, and the magnet magnetically attracts the iron nails to separate the iron nails from impurities.

The invention belongs to the field of electric power, and particularly relates to a clean type waste cable stripping machine. The technical problem to be solved by the invention is to provide a cleantype waste cable stripping machine which can facilitate the separation of a protective layer and a copper core of a cable, reduce the workload of a worker, and can quickly clean the surface of the cable. The clean type waste cable stripping machine comprises a bottom plate, a first bearing seat, a cutting blade and an L-shaped mounting rod; a second cleaning frame is fixedly connected to the top of the bottom plate through a first supporting seat, a first cleaning frame is fixedly connected to the top of the bottom plate through a second supporting seat, a placement plate is fixedly connectedto the top of the bottom plate through a third supporting seat, a collection frame is placed on the top of the placement plate, and the first cleaning frame is located between the second cleaning frame and the collection frame. The clean type waste cable stripping machine provided by the invention achieves thorough surface cleaning of the waste cable and can conveniently achieve a rapid separationeffect of a cable sheath and the cable copper core.

The invention discloses an oil-water separation and purification circulating system based on kitchen sewage and a purification method, and relates to the technical field of oil-water separation. The oil-water separation and purification circulating system comprises a filtering mechanism; a residue collecting box and a separating assembly are arranged on the lower surfaces of the front side and the rear side of the filtering mechanism respectively; the filtering mechanism comprises a box body; discharging ports communicated with the interior of the box body are formed in the front side and the rear side of the lower portion of the box body correspondingly; and the lower sides of the two discharging ports are fixedly connected to the upper surfaces of the residue collecting box and the separating assembly correspondingly and communicated with the interiors of the residue collecting box and the separating assembly. According to the device, through the arrangement of an overturning assembly, when garbage in a filter screen box needs to be cleaned after oil and water are filtered, a user only needs to switch on a power supply of a servo motor, and under the work of the servo motor, the filter screen box can be automatically overturned by 180 degrees, so that the garbage in the filter screen box can be conveniently treated, manual treatment is not needed, convenience and rapidness are realized, and the labor intensity of workers is reduced.

The invention discloses a cement stirring and filtering device for landscape engineering project construction, wherein the cement stirring and filtering device comprises a stirring tank body, a stirring assembly, a storage box, a water pump, a filter tank body, a discharging assembly and a filter assembly. The stirring tank body is equipped with the stirring assembly, the bottom of the stirring tank body is not closed and connected with air, and the bottom of the stirring tank body is connected with the storage box in a threaded manner; two corresponding ends of the water pump are connected with one side of the storage box and the top end of one side of the filter tank body through connection pipes respectively; the interior of the stirring tank body is equipped with the filter assembly; the stirring assembly comprises a rotary motor, a wind guide pipe, an induced draft fan, a first rotating shaft and a stirring rod. Cement materials are fully stirred, air is mixed in the materials, and later separation work is facilitated; two times of filtration and separation of the cement material are facilitated, the purity degree of the cement materials is improved, at the same time, the efficiency of filtration and separation is improved and the problem of materials adhering to inner walls is solved.

The invention discloses a hydraulic engineering desilting device and method, and belongs to the technical field of hydraulic engineering. A hydraulic engineering desilting device comprises a filter box, an obliquely-arranged filter screen plate is arranged in the filter box, the top of the filter box is connected with a connecting pipe, the connecting pipe communicates with a temporary storage shell, the end, away from the connecting pipe, of the temporary storage shell is connected with a silt pumping pipe, a pump body is arranged on the silt pumping pipe, and a silt outlet is formed in the bottom of the connecting pipe; a silt outlet is formed in the filter box, a floating assembly used for blocking the silt outlet is arranged in the filter box, a clamping assembly used for limiting movement of the floating assembly is arranged in the filter box, a silt discharging opening is formed in the filter box, the silt discharging opening is formed in the bottom end of the filter screen plate, a baffle is movably connected to the silt discharging opening, and a sewage discharging assembly is arranged on the filter box; while the river sludge cleaning efficiency is guaranteed, sludge and sewage are effectively separated, later sludge cleaning and transportation are facilitated, the possibility of secondary pollution to the surrounding environment in the transportation process is prevented, the working efficiency is improved, and the labor cost is saved.

The invention discloses a buffer structure of an entrance guard barrier gate release rod, which comprises a release rod body, a magnet and a pull rope. A fixingblock is fixedly mounted in the releaserod body; a connecting groove is formed in the outer surface of the release rod body; the center of the fixing block is connected with a connecting shaft, meanwhile, the connecting shaft is located inthe release rod body, a storage groove is formed in the center of the right end of the connecting shaft, a magnet is embedded in the connecting shaft, a connecting rod and a pull rope are installed in the storage groove, and one end of the pull rope is fixedly connected with the inner wall of the connecting shaft. According to the buffer structure of the entrance guard barrier gate release rod, aworker can rotate the handle to enable the handle to drive the connecting shaft to rotate through the connecting rod, the connecting shaft can conveniently drive the connecting block to move, and therefore the outer frame on the outer side of the release rod body can be conveniently subjected to proper position adjustment work, and subsequent overall assembly is facilitated.

The invention discloses separating equipment of traditional Chinese medicine grinding powder. The equipment comprises a base, a screen frame and a grinding box body, wherein the inner wall of the bottom of the grinding box body is fixedly provided with a grinding groove through screws, two supporting rods are welded to the positions, close to the two sides, of the outer wall of the bottom of the grinding box body, and the outer walls of the bottoms of the two supporting rods are fixed on the upper surface of the base through the screws; one side position, close to the grinding box body, of theouter wall of the top of the base is fixedly provided with a motor base, a driving motor is fixed to the outer wall of the top of the motor base through the screws, and a rotating shaft is welded tothe top end of an output shaft of the driving motor; and a grinding disc is welded to the outer wall of the rotating shaft, a collecting groove is formed in the position, close to the middle, of the outer wall of the top of the base through the screws. According to the equipment, the medicine which is not fully ground can be blocked through the first screen for secondary grinding, so that the medicine which is not fully ground are prevented from being mixed with the medicine which is fully ground to affect the follow-up production work.

The invention relates to the technical field of medicaments clarithromycin, and particularly relates to a preparation method of clarithromycin-N-oxide. The method comprises the following steps: mixing clarithromycin with a 50% acetonitrile solution, and dissolving the obtained object; adding 40mL of a hydrogen peroxide solution with a mass concentration of 10% under 50-60 DEG C, after reacting for 2 h, adding 80 ml of the hydrogen peroxide solution with a mass concentration of 10%, reacting for 2 h, adding 80 ml of the hydrogen peroxide solution with a mass concentration of 10%, and reacting for 2 h so as to obtain a reaction solution; and carrying out water-bath drying on the reaction solution, removing residual H2O2 so as to obtain residues, and carrying out recrystallization on the residues by taking water as a solvent so as to obtain clarithromycin-N-oxide. No new impurity is introduced, thereby facilitating the follow-up separation operation; through the step-by-step addition of the hydrogen peroxide solution, the progress of the reaction is controlled, the generation of by-products is reduced, the transformation rate of clarithromycin-N-oxide is improved, and the production of impurities is reduced; the productivity is 88.5%, and the cost is reduced; and the product purity is high.

The invention discloses fine-processing rice shelling equipment. The fine-processing rice shelling equipment comprises a shelling cylinder, a plurality of protruding blocks are fixedly connected to the inner side surface of the shelling cylinder, a rotating roller is rotationally connected to the middle of the shelling cylinder, a cutter head is fixedly installed on the side surface of the rotating roller, a plurality of first through holes are formed at the lower portion of the shelling cylinder, a box body is fixedly connected to the lower end of the shelling cylinder, a first motor is fixedly installed at the right end of the box body, an output shaft of the first motor is connected with a shelling plate, a first rice chaff outlet is formed at the upper portion of the right end of the box body, a fixing frame is fixedly connected in the box body, a second motor is fixedly installed at the lower end of the fixing frame, the output shaft of the second motor is fixedly connected with ashelling roller, and a second rice chaff outlet and a discharging hole are formed at the left end of the box body. According to the fine-processing rice shelling equipment, the processing precision is greatly improved, so that thorough separation work of the rice and the rice chaff is facilitated, and secondary processing is not required to remove the rice chaff.

The invention relates to the field of plastic, and particularly relates to a plastic recycling device. In existing constructional engineering, a lot of large plastic garbage can be generated, the plastic garbage can be doped with other metal, a very large recycling value is achieved, and a traditional device cannot completely separate plastic and metal. The device solves the above problems, a handle is rotated, an upper cover automatically rotates after being lifted, the handle is reversely rotated, the upper cover automatically buckles a hopper after rotating, cover opening and closing are conveniently completed, plastic is added, a chopping knife relatively reversely rotating cuts the large plastic into small blocks, the small plastic blocks are ground by a grinding disc to be discharged, subsequent separation work is facilitated, the ground plastic falls on a conveying magnetic belt under the gravity effect, metal is attracted by the conveying magnetic belt and scraped down by a scraper to be separated from the plastic, and plastic powder and the small plastic blocks are separated through plastic screening of a screening plate.

The invention relates to the technical field of petroleum wastewater, in particular to a deoiling and filtering device for petroleum wastewater. The deoiling and filtering device comprises a box body, wherein a first through hole is formed in the top end of a box cover; first clamping grooves are evenly formed in the positions, located on the outer side of the first through hole, of the top end of the box cover; first clamping blocks are clamped in the first clamping grooves; a fixing plate is welded to the top ends of the first clamping blocks; the bottom end of the fixing plate makes contact with the top end of the box cover; a solid impurity filter screen barrel is welded to the bottom end of the fixing plate and matched with the first through hole; a water inlet is formed in the middle of the top end of the fixing plate; lifting handles are symmetrically welded to the outer side of the top end of the fixing plate; an activated carbon filter screen groove is formed in the inner lower part of the box body; and the top end of the activated carbon filter screen groove is connected with an oil-water separation filter screen through a clamping mechanism. According to the invention, solid impurities can be conveniently filtered, and the solid impurities filtered out from the solid impurity filter screen barrel can be conveniently cleaned.

The invention relates to a separating device, in particular to a large and small cargo separating device for truck unloading. According to the technical aims, the large and small cargo separating device for truck unloading saves time, reduces manpower and improves the working efficiency. In order to achieve the above technical aims, the large and small cargo separating device for truck unloading is provided and comprises a base plate and the like; a first strut is arranged on the left side of the top of the base plate, containing frames are installed on the left and right sides of the top of the base plate, a discharging device is connected to the top of the first strut, and a separating device is arranged on the right side of the outer side of the discharging device. According to the large and small cargo separating device for truck unloading, the discharging device is matched with the separating device for separating cargoes; the separating device is hit through a hitting device, andthe better separating effect is achieved; and the working convenience is improved through a lifting device.

The invention discloses a sewage treatment device which includes a body and an operation body arranged on the bottom thereof. An alum chamber is arranged in the operation body. A power apparatus is disposed in an internal bottom wall of the alum chamber. A transmitting chamber is arranged in the operation body under the alum chamber. Guide troughs are correspondingly disposed on the left and right sides of an internal bottom wall of the transmitting chamber. Each guide trough is provided with a guide piece therein. A first plate and a second plate are arranged in the interior of the transmitting chamber in a vertically corresponding manner and are both extended to the front side and the back side. A rotary shaft, which extends vertically, is disposed between the first plate and the second plate, wherein an extension portion on the top of the rotary shaft penetrates the top surface of the first plate in a connection manner of revolving fit. The sewage treatment device has simple structure, can achieve automatic assembly and dismounting, has convenience in maintenance and transportation in later period, and is increased in spray coverage area at the same time.

The invention discloses a compression device used for garbage treatment and provided with a light separating structure, and a use method of the compression device, and relates to the technical field of garbage treatment. The compression device used for garbage treatment and provided with the light separating structure comprises a crushing assembly and a compression assembly, wherein the lower end of the crushing assembly is connected with a drying assembly, and the right side of the drying assembly is connected with a separating assembly; and the separating assembly comprises a separating bin, air blowers, air outlet ports, a fan, a suction port, a guide pipe, a collecting bin, a conveying pipeline, an auger and a driving motor. According to the invention, the air blowers arranged at the two sides of the outer portion of the separating bin are matched with the air outlet ports formed in the two sides of the inner portion of the separating bin, dried garbage conveyed into the separating bin through a conveying belt (202) can be subjected to separating treatment work for solid garbage and light garbage, the solid garbage falls into the bottom of the separating bin due to the gravity of the solid garbage, and the light garbage is sucked into the collecting bin under the driving of the fan due to the matching of upward airflow in the separating bin and the suction port formed in the top of the separating bin, so that the effect of light separating is realized.

The invention relates to a separating and recycling device for non-twist woven fabric and belongs to spinning machinery. The separating and recycling device is composed of a rack, a cloth roll bracket, a cloth roll roller, a cloth feeding plate, a cloth guiding block, a cloth feeding roller, a guiding-in device, a roller-type separating device, a comb row, a blanking platform, a fiber collection chamber, a dust cage, an air suction fan and a case. Size of the guiding-in port of the guiding-in device is controllable, so that tension of cloth fed to the non-twist woven fabric can be controlled effectively, and convenience is brought to inserting of the comb row. A needle row is embedded, so that convenience is brought to replacement; an included angle between a comb needle and the outer wall face of a roller is 30-45 degrees, so that the comb needle has enough force to be inserted into the non-twist woven fabric, and convenience is brought to separation; a comb plate on the comb row is meshed with the comb needle in the needle row, and fiber on the comb row is removed efficiently, so that load of the roller-type separating device is relieved. The separating and recycling device is simple and convenient to operate, high in separation efficiency, little in damage to fiber, high in recycling value and suitable for separating and recycling of the non-twist woven fabric.

The invention discloses a motor train unit simulation rescue practical training system, relates to the technical field of motor train unit training, and aims to solve the problem that a practical training system in the prior art is inconvenient to place indoors. The system comprises a base, a first frame and a second frame. The base comprises a framework, a steel plate and a rail set, the framework comprises two longitudinal rods and a plurality of transverse rods, one end of each transverse rod is fixedly connected to one longitudinal rod, the other end of each transverse rod is fixedly connected to the other longitudinal rod, the steel plate is fixedly connected to the framework, the rail set is fixedly connected to the framework, the first frame and the second frame are each provided with a train wheel set used for being matched with the corresponding rail set, the first frame is provided with a mother car coupler, and the second frame is provided with a son car coupler used for being matched with the mother car coupler. The rail set is fixedly connected with a wheel stop block. The device has the advantages of being suitable for indoor practical training work and high in safety.

The invention discloses an urban pollution treatment device. The urban pollution treatment device comprises a machine body, wherein a crushed soil screening device is arranged inside the machine body,and a grip is connected to the side face of the machine body; a crushing device is connected to the end, far away from the grip, of the crushed soil screening device, a grinding device is arranged below the crushing device, and a separating device is arranged below the grinding device; and the separating device comprises a first half shaft, the first half shaft is connected with a second half shaft, and an auxiliary element is connected to the outer portion of the first half shaft. When the urban pollution treatment device is used, when construction waste needs to be treated, the constructionwaste is generally guided in from the crushed soil screening device, then crushed soil in the construction waste is separated out through the crushed soil screening device, large pieces of construction waste are crushed in time through the crushing device, then the crushed waste is ground into fine particles through the grinding device, after the fine particles reach the separating device, metalin the fine particles is separated out through separation, and waste cleaning is completed.

The invention discloses an enameled wire recycling device comprising a main box body and a crushing device arranged in the main box body. The crushing device comprises a crushing chamber, the upper end wall of the crushing chamber is provided with a waste inlet communicating with the outside, the left end wall of the crushing chamber is internally provided with a transmission cavity, a power motor is fixedly arranged in the left end wall of the transmission cavity, and two crushing mechanisms arranged up and down are arranged in the crushing chamber. The enameled wire recycling device is simple in structure; treatment of waste enameled wires is completed through the compact transmission structure, the linkage between the mechanisms is better, and the human-computer interaction performance of the device is better; by repeatedly crushing the waste enameled wires, the waste enameled wires are crushed more thoroughly, and the follow-up separation work is facilitated; and separation of the enameled wires is completed through adsorption of an electrostatic field and oil mist particles to metal materials, and the separation effect of the waste enameled wires is improved.

The invention discloses a copper recovery device for a waste circuit board. The copper recovery device comprises a machine body, a feeding box, a crushing mechanism, a separating mechanism and a collecting mechanism, wherein the feeding box is fixedly mounted at the top of the machine body. According to the copper recovery device, a first motor, a first electric push rod, first driving motors andsecond motors are started, the first motor enables a cutting knife to rotate, and therefore the waste circuit board is cut primarily; the first electric push rod enables a fixing plate to rotate, andthe transport work of the waste circuit board is completed conveniently; linear motors and the second motors enable crushing plates to ascend, descend and move, the first driving motors enable the crushing plates to rotate, and therefore the crushing work of the waste circuit board is completed; and the crushing mechanism is convenient to use and practical, the waste circuit board is firstly cut and then crushed, therefore, the waste circuit board can be crushed more thoroughly, the crushing quality of the waste circuit board is guaranteed, and the working efficiency is improved.

The invention discloses a device for separating microplastics from soil, and relates to the field of microplastic separation. The device specifically comprises a sealed case and a central transport tube, and the rear side of the sealed case is connected with a connecting pipe; the upper side of the connecting pipe is connected with a water pump, and a circulating water pipe is installed above thewater pump; the left side of the sealed case is provided with a motor of which the upper side is connected with a gear, and the right side of the gear is provided with a gear ring; the gear is engagedwith the gear ring, and the inner side of the gear ring is fixedly provided with a connecting ring; a rotary drum is installed at the middle of the connecting ring, and connected with the connectingring fixedly; and a clamping ring is arranged below the rotary drum. According to the device for separating the microplastics from the soil, through cooperation of the gear ring and the gear, the rotary drum of the device can be driven to rotate, thereby nesting of the rotary drum on a separation and settling pond for rotation; and thus, an annular filter plate on the outer side of the rotary drumis driven to rotate, and used for filtration and separation.

The invention relates to automatic assembling and detecting equipment for a metal packsack pendant. An automatic device body comprises a supporting leg, and the upper surface of the supporting leg isfixedly connected with a dissolving tank. A driving machine is fixedly arranged on the upper surface of the dissolving tank, and the output end of the driving machine is fixedly connected with a rotating rod. The bottom end of the rotating rod penetrates into the dissolving tank and is fixedly connected with a stirring rod. The top, close to the left side of the dissolving tank, of the dissolvingtank is fixedly connected with a feeding pipe, and the inner wall of the dissolving tank is fixedly connected with a temperature-adjustable heating plate. By the coordination of the structures, the dissolution of raw materials is accelerated, and a plastic machine can quickly cool and demold products. Thus, waste recycling work of a user is facilitated, convenience is brought to follow-up productquality screening work of the user, the production efficiency of the product production process is improved, and convenience is brought to the user.

The invention discloses solid-liquid separation equipment for chemical production. The equipment comprises a box body and a shell, the shell is installed at the bottom of the box body, and a conveyingassembly is installed in the box body. A lifting mechanism is arranged; a double-shaft motor drives a first gear to rotate through a rotating shaft; the first gear drives a threaded sleeve to rotatethrough a second gear; the threaded sleeve is in threaded connection with a threaded rotating shaft; according to the lead screw principle, the threaded rotating shaft moves upwards in the threaded sleeve; a sieve plate moves upwards on the surface of a fixed rod through asliding block; solid particles generated in the box body are screened; and the limiting block limits the sieve plate; meanwhile, a driving motor drives the rotating shaft to drive spiral conveying blades to rotate, solid particles on the sieve plate are discharged out of the box body through a discharging opening, operation is easy, time and labor are saved, the labor intensity of workers is relieved, the separation efficiency is improved, and great convenience is brought to separation work.

The invention discloses an easy-to-operate stump separating pneumatic axe. The easy-to-operate stump separating pneumatic axe comprises a fixing frame and an axe body, a fixing device is arranged in the outer side of the fixing frame, and a sliding rod penetrating through the fixing frame is arranged in front of the fixing device; a limiting plate is arranged in front of the sliding rod, and sharpthorns are arranged on the surface of the limiting plate; a pneumatic pump is arranged in the middle of a fixing plate, a handle is arranged on the pneumatic pump, and supporting columns are fixed tothe periphery of the pneumatic pump; a damping pad is arranged on the lower surface of each supporting column, a pneumatic rod is connected with the lower portion of the pneumatic pump, and the axe body is arranged below the pneumatic rod; a convex column is fixed to the surface of a sliding rod, a through hole is formed in the fixing frame, and grooves are formed in the periphery of the throughhole. The axe body of the easy-to-operate stump separating pneumatic axe can conduct continuous downward impact under the acting force of the pneumatic pump, so that a stump is separated, the cuttingefficiency is improved, and the situation that manpower is needed for cutting and separation in the prior art is changed.

The invention relates to the field of environment functional materials, in particular to a method for preparing a heavy metal imprinted solid phase extraction material by the aid of microwave-reverse phase emulsion suspension processes and application of the heavy metal imprinted solid phase extraction material. The method and the application have the advantages that stable chelate compounds can be easily formed by metal ions and C=N bonds and -OH bonds in Schiff base substances and are perfect functional monomers for preparing an ion imprinted polymer; grinding can be omitted in procedures for preparing the ion imprinted polymer by the aid of reverse phase emulsion suspension polymerization processes, the procedures are easy to implement, and the heavy metal ion imprinted polymer is of a uniform spherical structure and is excellent in adsorption capacity, selective recognition capacity and stability; magnetic materials are favorable for follow-up separation work; the reaction time can be shortened to a great extent by microwave-assisted processes, the reaction rates can be increased by the microwave-assisted processes, and the ion imprinted polymer is high in yield and is pure; the heavy metal ion imprinted polymer can be used as the solid phase extraction material, and ion pollutants in wastewater can be separated and enriched by the heavy metal ion imprinted polymer.

The invention provides multifunctional large-scale movable stone screening equipment. The equipment comprises a movable seat, movable brake wheels, a groove, a supporting plate, a U-shaped fixed seat,a fixed rotary drum screen structure, a supportable separating seat structure, an adjustable feeding plate structure, an adjustable rotary supporting pipe structure, a feeding pipe, a feeding motor,a feeding hopper, a stone screening motor and a spiral pipe, wherein the movable brake wheels are respectively in bolted connection with four corners of the lower end of the movable seat. A connectingseat, a second wing bolt, a guide plate, a conical plate, the feeding pipe and the spiral pipe are arranged, so that stone is pushed through the guide plate and the conical plate in the working process and then contacts the spiral pipe, and the feeding work is conveniently carried out; and a collecting seat, a U-shaped supporting frame, a separating plate and a hexagon socket bolt are arranged, so that separation of the screened stone is carried out conveniently through the separating plate in the working process, and the screened stone is prevented from being mixed to influence the stone screening effect.