55results about How to "Easy to achieve rotation" patented technology

The invention discloses a movable teaching experiment table. The structural principle of telescopic moving wheels is adopted, the table comprises a bracket, a table body arranged on the upper surfaceof the bracket and a plurality of supporting leg assemblies connected with the lower surface of the bracket, and the supporting leg assemblies comprise supporting legs, supporting columns, lifting mechanisms and the moving wheels; the lifting mechanisms comprise bearing plates, core shafts, driven wheels, rotary shafts, drive shafts, handles and sliding blocks, by rotating the handles forward andreversely, the drive wheels drive the driven wheels to rotate, and the driven wheels drive the core shafts to rotate, so that the core shafts drive the sliding blocks to slide up and down along rectangular cavities to achieve that the moving wheels extend outward and retract inward relative to the rectangular cavities of the supporting legs; when the experiment table needs to be moved, the movingwheels can extend outward, if the experiment table is placed for a long time, the moving wheels can be retracted to utilize the bottoms of the supporting legs to make contact with the ground, therefore the moving convenience of the experiment table is improved, the supported mechanical strength and placing stability of the experiment table can be ensured, the operation is simple, and the using isconvenient.

The invention relates to an annular porous nano magnetic bead separator which comprises a casing and magnet groups, wherein each magnet group adopts a tile shape, and the number of the magnet groups is an even number; the magnet groups are arranged in an accommodating cavity which corresponds to the shape of the magnet groups and is arranged in the casing in an annular manner; a tube hole for accommodating a tube is arranged on the casing between every two adjacent magnet groups; and the polarities of poles of every two magnet groups are contrary. The invention further relates to a mounting method of the annular porous nano magnetic bead separator. The annular porous nano magnetic bead separator and the mounting method thereof have the advantages that the utilization rate of magnets and the tube holes are effectively improved, the separation efficiency is improved, and the annular porous nano magnetic bead separator can be assembled easily. The annular porous nano magnetic bead separator belongs to the technical field of nano magnetic bead separation devices.

The invention relates to a manipulator device comprising a body. An arm part is mounted on the body, the output end of the arm part is connected with a wrist part, and an output end of the wrist part is connected with a gripper part. The manipulator device is compact and reasonable in structure, long workpieces are processed conveniently by mutual connection of the arm part, the wrist part and the gripper part, the workpieces can be rotated and slide during processing, the manipulator device cannot cause impact and friction to the workpieces at work, the workpieces are scatheless, processing quality is good, and working efficiency is high.

The invention discloses a multi-functional window with the automatic control of opening in multiple directions, relating to the technical field of windows. The window comprises a window frame, an upper frame body and baffle plates. The inner side of the window frame is equipped with glass windows, the surfaces of the window leaves are coated with hydrophobic layers, the upper frame body is arranged above the window frame, the baffle plates are installed in front of the glass windows, the upper frame body is internally provided with hydraulic cylinders, screw rods are arranged under the hydraulic cylinders, fixed frames are fixed under the screw rods, cleaning brushes are installed under the fixed frames, the upper and lower sides of the glass windows are provided with sliding rails, rotating shafts are fixed to the inner sides of the middle parts of the baffle plates, reinforcing ribs are welded to the outer sides of the baffle plates, the upper side of the front of the upper frame body is equipped with a top plate, the left end of the top plate is provided with a movable shaft, and the lower side of the left of the top plate is equipped with an electric pushing rod. The multi-functional window has the advantage that the automatic cleaning of the glass windows is facilitated by setting the cleaning brushes.

The invention discloses a hydraulic continuous drawing mechanism and a copper alloy wire rod surface peeling system adopting the drawing mechanism. The drawing mechanism comprises a drawing workbench,a front drawing mechanism body and a rear drawing mechanism body. Each drawing mechanism body comprises a moving table, a die, a large oil cylinder and a small oil cylinder, wherein the moving tablemoves forwards and backwards under the action of the large oil cylinder, the moving table comprises a top plate, a bottom plate, a pair of positioning plates, sliding plates and a half die, a movablespace with a narrow front portion and a wide rear portion is formed between the pair of positioning plates, and the sliding plates are arranged on the inner sides of the positioning plates and can move back and forth along the inclined planes of the inner sides of the positioning plates. The peeling system comprises a paying-off mechanism, a vertical roller straightening mechanism, a vertical roller straightening mechanism, a straightening die, a turning peeling machine, the hydraulic continuous drawing mechanism and a take-up mechanism. The concentric or small-amplitude eccentric peeling of awire rod is realized, and the surface is clean and bright; meanwhile, the speeds of the oil cylinders of the hydraulic continuous drawing mechanism are matched to alternately work, the whole wire rodcan be continuously peeled, continuous peeling is achieved, and the production efficiency is high.

The invention discloses an intermittent conveying mechanism for a wood fiber board drying device. The mechanism comprises a discharge cavity and a transfer pulley, the left end and the right end of the transfer pulley rotationally sleeve a first rotating shaft and a second rotating shaft respectively, a driving motor is fixedly installed on the side wall of the rear side of the middle of an innercavity of the discharge cavity through a fixing base, a transmission rod is perpendicularly connected to the driving motor through a power shaft, a sleeve is rotationally hinged to the tip of the transmission rod, an inner cavity of the sleeve slidably sleeves an adjustment rod, a telescopic rod is fixedly welded to the side wall of the bottom of the adjustment rod, the left end face of a T-shapedsliding block is fixedly welded to the right end face of the telescopic rod, a limiting column is fixedly welded to the left side of the front end face of the T-shaped sliding block, and an operationrod is rotationally hinged to the right side of the front end face of the T-shaped sliding block. Accordingly, rotation of the transfer pulley is controlled intermittently and conveniently, the drying device has enough time to dry wood fiber boards conveniently, and simpleness and practicability are achieved.

The invention belongs to the field of paint spraying devices, and particularly discloses a wind power generation power distribution cabinet surface paint spraying device. The wind power generation power distribution cabinet surface paint spraying device comprises a shell, a rotation barrel, a one-way bearing and a rotation disc. The lower end of the rotation barrel is rotationally connected with the bottom of the shell, and the upper end of the rotation barrel is connected with the rotation disc through the one-way bearing. The shell is internally provided with a paint spraying structure and amoving structure. The paint spraying structure comprises a paint storage bin, a communication pipe and a sprayer, and the two ends of the communication pipe are connected with the paint storage bin and the sprayer correspondingly. The moving structure comprises a power source, a screw and a threaded piece, wherein the power source is fixedly connected with the shell, the screw is vertically arranged, an output shaft of the power source is connected with one end of the screw, the other end of the screw is rotationally connected with the shell, the threaded piece and the screw are in threaded fit, a guide rod parallel to the screw is arranged in the shell, and the guide rod is in sliding fit with the threaded piece. The sprayer is fixedly connected with the threaded piece. The 1 / 4 circumference face of the rotation barrel is provided with a chute, and the threaded piece is provided with a lifting lever capable of being inserted in the chute. The device can achieve automatic power distribution cabinet paint spraying, and paint spraying is uniform.

The invention relates to a two-wheel-driven bidirectional heavy-pipe deep stirring ground wall connecting machine for building an anti-seepage underground continuous wall in the field of engineering drillers. The two-wheel-driven bidirectional heavy-pipe deep stirring ground wall connecting machine comprises drill rods, wherein an elevating table is arranged on the tops of the drill rods; the drill rods include hollow inner drill rods and hollow outer drill rods which are arranged concentrically and can rotate towards each other; the inner drill rods and the outer drill rods are rotationally connected below the elevating table; the elevating table is provided with a top driving mechanism for driving the inner drill rods to rotate; the elevating table is suspended on a supporting machine through a steel wire rope; the middle parts of the outer drill rods are provided with a middle driving mechanism for driving the outer drill rods to rotate; the inner drill rods extend out of the lower ends of the outer drill rods; the peripheries of the extension ends of the inner drill rods are provided with lower stirring blades; and the lower ends of the outer drill rods are provided with upper stirring blades rotating opposite to the lower stirring blades. According to the two-wheel-driven bidirectional heavy-pipe deep stirring ground wall connecting machine, stirring uniformity, a good anti-seepage effect and high production efficiency are realized, and cement grout is effectively prevented from spilling over along the drill rods.

The invention provides a permanent magnet rotor driving type multi-degree-of-freedom motion motor, and relates to the technical field of multi-degree-of-freedom motors. A rotor comprises a fixed shaft. The upper end of the fixed shaft of the rotor is fixedly connected with an inner ring of a bearing. Meanwhile, the rotor is connected with the bottom end of an upper output shaft through an oil film. An outer ring of the bearing is fixedly connected with the output shaft. The outer ring is fixedly provided with a rotor frame. A plurality of permanent magnet yokes and rotor permanent magnets arearranged around the rotor frame. A stator is located on the periphery of the rotating part of the rotor. The stator comprises a plurality of left semicircular cylinders and corresponding right semicircular cylinders. Stator coil yokes are distributed on the inner side of the stator. The rotor of the motor can do multi-degree-of-freedom motion by introducing different power-on strategies into a plurality of stator coils. The problems that a traditional multi-degree-of-freedom motor is large in size, complex in structure, low in precision, low in efficiency and the like are mainly solved. The multi-degree-of-freedom motion of the motor can be realized by applying different power-on strategies. The multi-degree-of-freedom motor has the advantages of simple and compact structure, small size, accurate control, convenient use, wide application range and the like.

The invention belongs to the technical field of glass bottle paint spraying, and particularly discloses an automatic paint spraying device for glass products. The automatic paint spraying device comprises a machine frame, a conveying belt is fixedly connected to the machine frame, a plurality of supporting bases used for supporting glass bottles are rotationally connected to the conveying belt, gears are fixedly connected to the bottoms of the supporting bases, and the gears are axially perpendicular to the horizontal plane. A rack is horizontally and fixedly connected to the machine frame, and the gears are engaged with the rack. A plurality of paint spraying sets are fixed to the machine frame, each paint spraying set comprises a trigger table and a paint spraying head, the paint spraying heads are arranged on one sides of the adjacent supporting bases, trigger switches used for controlling the paint spraying heads to be opened and closed are arranged on the trigger tables, and the trigger switches are located on the moving paths of the supporting bases and can be matched with the supporting bases. According to the purpose, the automatic paint spraying device for the glass products is provided, the technical problem that paint raw materials are wasted in the batch paint spraying process of glass bottles is solved.

The invention relates to a hanging basket method cantilever casting corrugated steel web skew box girder bridge construction method. The comprises the following steps: (1) assembling triangular hanging baskets, pre-pressing the triangular hanging baskets, and anchoring the triangular hanging baskets at the tops of piers; (2) binding bottom plate reinforcing steel bars, and arranging a bottom formwork and side formworks, hoisting the corrugated steel webs and connecting the corrugated steel webs, binding top plate reinforcing steel bars, and arranging a top template; (3) pouring a bottom plate,then pouring the top plate, and symmetrically and continuously pouring relative to the pier top during pouring; (4) dismounting a template support and a pull rod, jacking up the triangular hanging baskets through a supporting jack, placing pulley structures at all steel supporting positions of the triangular hanging baskets, then anchoring the pulley structures to the pier top through limiting anchor rods, and installing a traction device and a walking pressing wheel; and (5) after the triangular hanging baskets move in place, anchoring the triangular hanging baskets, and carrying out cyclicconstruction according to the sequence. Therefore, the triangular hanging baskets are simpler in structure, the time for laying the rail is saved, and the construction efficiency is improved.

The application relates to the field of automobile door production, in particular to an automobile door placing rack. The rack comprises a base, two first stand columns and two second stand columns, and the first stand columns and the second stand columns are fixed to the top of the base; barbs are fixed on the opposite inner sides of the two first stand columns correspondingly; a rotating shaft is rotationally mounted at the bottom of one barb, and the bottom end of the rotating shaft is rotationally connected with the top of the base; a supporting shaft is fixed at the bottom of the other barb; a first connecting ring is slidably arranged on the peripheral side of the supporting shaft in the vertical direction, and a stopping rod is fixed to the side, close to the rotating shaft, of theperipheral surface of the first connecting ring; a second connecting ring is fixed to the end, away from the first connecting ring, of the stopping rod; and a driving assembly for driving the rotatingshaft to rotate is arranged between the second connecting ring and the rotating shaft. The rack has the effect of reducing the situation that an automobile door is separated from the rack.

The invention relates to the technical field of Fuzhuan tea processing, discloses a making method and equipment of lightly pressed Fuzhuan tea, and solves the problems that during making of the Fuzhuan tea, the Fuzhuan tea needs to be manually taken for discharging, so that discharging is inconvenient, and the making speed of the Fuzhuan tea is slow. S2, the tender shoots in the step S1 are subjected to impurity removal and screening, the screened tender shoots are washed and cut up, the cut tender shoots are placed in a worm wheel fermentation machine to be steamed for 30 minutes, the tea leaves are softened for standby application, water is added into the tea leaves in the step S4, and the tea leaves are steamed again through the worm wheel fermentation machine for 1 minute; and through the design of the pushing mechanism and the pushing plate, the pushing plate can conveniently push the pressed and formed tea leaves to be discharged, manual discharging is effectively avoided, the discharging efficiency of the tea leaves is further improved, and the production efficiency of the tea leaves is further improved.

The invention discloses an electric heating plate edge covering aluminum belt frame, which is used for electric heating plate edge covering aluminum belt storage and material conveyance to an edge former. The electric heating plate edge covering aluminum belt frame comprises a support frame (1) and a belt wheel (3) fixedly arranged on the support frame (1), wherein the belt wheel (3) comprises two side plates (31) and a center plate (32) arranged between the side plates (31), the side plates (31) and the center plate (32) are respectively round plates, in addition, the axial lines of the side plates (31) and the center plate (32) are collinear, the diameter of the center plate (32) is smaller than the diameter of each of the side plates (31), a rotating shaft (4) is also fixedly arranged on the belt wheel (3), a shaft seat (6) used for clamping and installing the rotating shaft (4) is also arranged on the support frame (1), and the gap between the two side plates (31) is adjustable. The electric heating plate edge covering aluminum belt frame has the advantages that the structure is simple, and the assembly quality and the assembly efficiency of an electric heating plate can be favorably improved.

The invention discloses an energy-saving street lamp. The street lamp comprises a base; a fixing disk is arranged on the base; a bearing is arranged on the fixing disk; a rotating shaft is rotationally arranged in the bearing; a stand column is arranged at the upper end of the rotating shaft; an advertising board mounting arm is arranged on one side of a mounting column; an advertising board is arranged on the advertising board mounting arm; four supporting rods are obliquely arranged on the fixing disk; the upper ends of the supporting rods are fixedly connected with the stand column; the lower ends of the supporting rods are detachably connected with the fixing disk; a rainwater collecting device is arranged at the upper part of the mounting column and comprises a water collecting funneland a water tank; the water collecting funnel and the water tank are arranged on the outer side wall of the mounting column; the water tank is located below the water collecting funnel; the water collecting funnel communicates with the water tank through a water pipe; a water pipe is arranged at the lower end of the water tank; and a spray head is arranged at the tail end of the water pipe. The street lamp is beneficial to popularization and application.

The invention discloses a TBM disk-shaped hobbing cutter additionally provided with reinforcement ribs on the side face of a cutter ring. The cutter ring, a check ring, a cutter body, a bearing end cover, an isolating ring, a shaft, a bearing and a sealing ring are included; the multiple reinforcement ribs are arranged on the side face of the cutter ring which is arranged on the peripheral side ofthe cutter body; the check ring is used for positioning the cutter ring at the position of the cutter body; the bearing is assembled on the shaft and located on the inner side of the cutter body; thebearing end cover is used for sealing the bearing inside; and the isolating ring is used for dividing the bearing; and the sealing ring is used for sealing a gap between the bearing end cover and thecutter body. The structure can be used for effectively reducing abrasion and damage of the hobbing cutter in work, the rock breaking capacity of the hobbing cutter is improved, the reliability and the economical efficiency of the hobbing cutter are improved, the work cost of a tunnel boring machine can be lowered easily, and very high practical value and application prospects are achieved.

The invention relates to the field of shavers, in particular to an annular knife net of a shaver. The annular knife net comprises an annular knife net body, wherein the annular knife net body is of a hollow structure, a plurality of shaving holes are formed in the upper edge of the top of the annular knife net body, the shaving holes are evenly distributed in the annular knife net body in the circumferential direction, the section of each shaving hole is in a tunnel shape, and the annular knife net body comprises one or more circles of independent annular knife nets of a concentric circle structure. Due to the arrangement of the hollow structure of the annular cutter net body, the multiple circles of independent knife nets can be conveniently arranged layer by layer according to the same axis, overall rotation and multi-layer arrangement of the knife nets can be easily achieved, in this way, the effect that beards enter the shaver can be further improved, and the beard cutting efficiency of the shaver is improved. In addition, the knife net is convenient to disassemble and assemble, and use is more convenient.

The invention relates to a microscope (10, 100), which comprises a housing (42) and a fluorescence device (50), wherein the fluorescence device (50) is arranged in a space surrounded by the housing (42). The housing (42) has at least two openings (70, 74), by means of which the fluorescence device (50) can be accessed.

The invention discloses an oil-gas change-over switch which comprises a base, a first rotating shaft, a second rotating shaft and a steel ball. The second rotating shaft is hermetically and rotatably connected with the second mounting cavity, and the steel ball is connected with the second rotating shaft; the first rotating shaft is hermetically and rotatably connected with the open end of a first mounting cavity of the base, and connected with the steel ball; a first sealing gasket is arranged at the end, close to the first mounting cavity, of a first gas guide pipe, and a second sealing gasket is arranged at the end, close to the first mounting cavity, of a second gas guide pipe; the steel ball is arranged between the first sealing gasket and the second sealing gasket, and both the first sealing gasket and the second sealing gasket are constantly attached to the steel ball; and the steel ball is provided with a vent hole for communicating the first gas guide pipe with the second gas guide pipe. According to the oil-gas change-over switch, a rubber seal used in a traditional product is replaced through cooperation of the steel ball, the first sealing gasket and the second sealing gasket, and the service life of the oil-gas change-over switch is effectively prolonged; the steel ball, the first sealing gasket and the second sealing gasket are easy to produce, and the machining precision of the steel ball, the first sealing gasket and the second sealing gasket is lower than that of a rotating shaft seal; and the production cost is reduced.

The invention relates to a construction method for cantilevered corrugated steel web oblique box girder bridges with hanging basket method, which includes (1) assembling triangular hanging baskets, preloading the triangular hanging baskets, and anchoring the triangular hanging baskets on the pier top; (2) Bind the bottom slab reinforcement, arrange the bottom formwork and side formwork; then hoist the corrugated steel web and connect the corrugated steel web; bind the top slab reinforcement and arrange the top formwork; (3) pour the bottom slab, then pour the top slab, and pour it relative to the top of the pier Symmetrical continuous pouring; (4) Remove formwork supports and tie rods, use support jacks to jack up the triangular hanging basket, place pulley structures at each steel support position of the triangular hanging basket, and then use limit anchors to anchor the pulley structure on the top of the pier, Then install the traction device and the walking pressure roller; (5) After the triangular hanging basket is moved in place, anchor the triangular hanging basket, and carry out cyclic construction according to the above sequence. The structure of the triangular hanging basket is simpler, the time for laying the track is saved, and the construction efficiency is improved.

The invention discloses an intelligent production equipment for environmentally friendly packaging bags with high sealing performance and high proportion of recycled materials, which comprises a base and a rotating plate rotatably connected above the base; A U-shaped plate is connected to one side of the U-shaped plate, and a moving plate is connected to the U-shaped plate through a sixth hydraulic rod. A cutting knife is fixedly connected to the center of the lower surface of the moving plate, and the side wall of the cutting knife is fixedly connected to There is a heating plate, and the lower surface of the moving plate is symmetrically and fixedly connected with a heat insulation plate and a cooling press box, and the heat insulation plate is located between the cutting knife and the cooling press box; the upper surface of the base faces downwards and has an operating section , the side wall of the base is provided with a first through hole and a second through hole communicating with the operating area, and a mounting plate is detachably connected to the operating area, and the present invention facilitates the winding process after cutting the packaging bag .

The invention relates to a supporting device for plastic pipe cutting. The supporting device comprises a positioning block, supporting mechanisms and a connecting mechanism. The supporting mechanisms comprise telescopic rods, balls and positioning assemblies, and the connecting mechanism comprises a connecting assembly and a limiting assembly. According to the supporting device for plastic pipe cutting, a body is elastically supported through the supporting mechanisms, better clamping is achieved, the device can be conveniently dismounted through the connecting mechanism, a driving rod can be positioned through an abutting rod, meanwhile, the driving rod can be conveniently rotated, the operation difficulty is reduced, the driving rod is prevented from slipping in the rotating process, meanwhile, the telescopic rods are positioned through movable positioning rings, so that the axes of the telescopic rods are perpendicular to the positioning block, the balls better abut against the body, meanwhile, through movement of the positioning rings, limiting to the telescopic rods can be achieved, the occupied space is reduced, and the use practicability is improved.

The invention relates to the technical field of intelligent machining of steel wire ropes, and discloses a spray oiling device for a steel wire rope, and solves the problems of low oiling efficiency and poor oiling quality in the oiling process of the steel wire rope. The spray oiling device comprises a spraying box body; supporting columns are symmetrically arranged at the bottom end of the spraying box body; openings are symmetrically formed in the middles of the two sides of the spraying box body; a through hole located above the openings is formed in one side of the spraying box body; a supporting frame is arranged on one side of the top end of the spraying box body; a spraying pipe is arranged in the spraying box body; a connecting cover is connected to one side of the spraying pipe; a brushing unit is arranged on the connecting cover; and a spraying mechanism is arranged in the spraying pipe. By arranging the spraying pipe, the connecting cover, a fluid director, an oil conveying pipe, a containing groove, an oil storage groove, a communicating ring, a communicating opening, a spraying head, a third gear and a transmission mechanism, comprehensive oil spraying operation on the steel wire rope is achieved, the oiling comprehensiveness of the steel wire rope is improved, and the oiling efficiency of the steel wire rope is improved.

The invention relates to the technical field of steel wire rope intelligent processing, and discloses a steel wire rope spray oiling device, which solves the problems of low oiling efficiency and poor oiling quality of the steel wire rope during the oiling process, which includes a spraying box, the spraying box The bottom of the body is symmetrically provided with support columns, and the middle of both sides of the spraying box is symmetrically opened with openings, one side of the spraying box is provided with a through hole above the opening, and the top side of the spraying box is provided with a support frame. The inside of the spraying box is provided with a spraying pipe, one side of the spraying pipe is connected with a connecting cover, the connecting cover is provided with a brushing unit, and the inside of the spraying pipe is provided with a spraying mechanism; The device, oil delivery pipe, accommodation tank, oil storage tank, communication ring, communication port, nozzle, gear and transmission mechanism realize the comprehensive oil injection operation on the wire rope, thereby improving the comprehensiveness of wire rope oiling and the efficiency of wire rope oiling.

The invention relates to the field of machinery, and particularly relates to a filter element end cover welding mold with a nitrogen fire extinguishing and cooling mechanism. The filter element end cover welding mold comprises a mounting mold, wherein a mounting groove is formed in the mounting mold. The filter element end cover welding mold further comprises a frame assembly, a mold rotating assembly and a mold motor assembly, wherein the mold motor assembly is mounted on the frame assembly; the mold motor assembly comprises a driving gear; the mold rotating assembly comprises a supporting shaft, a driven gear and a mold fixing part; the supporting shaft is rotationally connected with the driven gear through a bearing; the driven gear is in transmission connection with the mold fixing part; a channel for conveying nitrogen is formed in the supporting shaft; a nitrogen outlet is formed in the channel; an annular flow guide groove is formed in the mounting mold; the gas outlet directionof the nitrogen outlet is opposite to the annular flow guide groove; nitrogen flow guide channels are further formed in the mounting mold; all the nitrogen flow guide channels are communicated with the annular flow guide channel; gas outlets of the nitrogen flow guide channels are positioned in the mounting groove; and a filter element end cover does not shield the gas outlets. According to the filter element end cover welding mold, nitrogen is introduced into the mold, so that nitrogen can be used for extinguishing fire.

The invention relates to an annular porous nano magnetic bead separator which comprises a casing and magnet groups, wherein each magnet group adopts a tile shape, and the number of the magnet groups is an even number; the magnet groups are arranged in an accommodating cavity which corresponds to the shape of the magnet groups and is arranged in the casing in an annular manner; a tube hole for accommodating a tube is arranged on the casing between every two adjacent magnet groups; and the polarities of poles of every two magnet groups are contrary. The invention further relates to a mounting method of the annular porous nano magnetic bead separator. The annular porous nano magnetic bead separator and the mounting method thereof have the advantages that the utilization rate of magnets and the tube holes are effectively improved, the separation efficiency is improved, and the annular porous nano magnetic bead separator can be assembled easily. The annular porous nano magnetic bead separator belongs to the technical field of nano magnetic bead separation devices.