334 results about "Alloy wheel" patented technology

The invention relates to the technical field of extrusion casting, and discloses an aluminum alloy hub extrusion casting forming die which comprises a rack assembly, the rack assembly comprises a main rack, a barrel frame, a side pressing base, a lower die base and a fertilizer box, and the side face of the bottom of the main rack is fixedly connected with the side face of the barrel frame; the side face of the main machine frame is fixedly connected with the side face of the side pressing base, and the side face of the main machine frame is fixedly connected with the side face of the lower die base. According to the aluminum alloy hub extrusion casting device, a second hydraulic rod, a grabbing plate and a rotary disc assembly are arranged, after extrusion casting of an aluminum alloy hub is completed, products can be transported through the rotary disc assembly, automation of the device is achieved, and the labor cost and danger are reduced; high-temperature aluminum alloy liquid is pressed into the die through the pressure of the hydraulic rod, the high-temperature aluminum alloy liquid can be evenly distributed in the die, then redundant gas is exhausted through the gas outlet holes in the upper die, the problem that bubbles are generated in a machined product is solved, and the strength of the product can also be enhanced.

The utility model relates to the technical field of hub casting, in particular to an aluminum alloy hub casting forming die which comprises a lower die and an upper die, two limiting sleeves are connected to the tops of the two sides of the lower die respectively, and the tops of two sets of hooks are rotationally connected with the side wall of the upper die through fixing shafts respectively. The bottoms of the two sets of hooks abut against the side walls of the limiting sleeves correspondingly, connecting shafts are perpendicularly connected to the centers of the side walls of the two sets of hooks, air cylinders are installed on the two sides of the bottom of the lower die correspondingly, push blocks are installed on output shafts at one ends of the two air cylinders correspondingly, driving rods are rotationally connected to the two push blocks correspondingly, and a top plate is arranged on one sides of the two sets of hooks. The two ends of the two top plates are rotationally connected with the two connecting shafts correspondingly, and the tops of the two driving rods are rotationally connected with the centers of the bottoms of the top plates through top blocks correspondingly. The locking control can be quickly carried out on the end parts of the two sides of the upper and lower dies, the locking effect is good, meanwhile, die opening control can be carried out, and finished product blanking is facilitated.

The invention discloses an aluminum alloy hub spinning die cooling device and method, and relates to the technical field of hub machining. The device comprises a bottom plate, a double-rotor linear motor module is fixedly connected to the top of the bottom plate, supporting frames are fixedly connected to the tops of the two driving ends of the double-rotor linear motor module, and adjusters are fixedly connected to the side faces of the supporting frames. Through cooperation of the roller, the rotating notch ring, the adjusting block, the supporting J-shaped block, the supporting sliding block, the elastic roller, the pressure meter and the plug pin, when the surface of the roller cracks or peels off, the elastic roller can drive the supporting sliding block to apply pressure to the detection end of the pressure meter, and whether the surface of the roller cracks or peels off or not can be obtained by observing the numerical value of the pressure meter; therefore, the situation that the size and the shape of a hub deviate due to uneven pressure distribution on a hub blank caused by an irregular contact surface generated by cracks or peeling of the surface of the roller and the hub is avoided.

An alloy wheel is formed having a three dimensional configuration defining a face and recessed surfaces. The face of the wheel is machined providing a smooth surface at the face and defining an edge between the smooth surface of the face and the recessed surfaces. A nozzle element for projecting a plasma jet toward the wheel is provided. The plasma jet is projected toward the smooth surface of the face, the edge, and toward at least a portion of the recessed surfaces forming an alloy oxide at least on the face and the edge disposed between the face and the recessed surfaces. A first polymeric coating is applied over the face, the recessed surfaces and the edge disposed between the face and the recessed surfaces.

The invention discloses an automatic defect detection device in an aluminum alloy hub forging process, and relates to the technical field of aluminum alloy hub forging, and the automatic defect detection device comprises a conveying line body, a detection outer shell, a plurality of detection modules and a control mechanism. The conveying line body is responsible for conveying a to-be-detected hub to a detection station, a visual detection module, an ultrasonic detection module, an eddy current detection module and an X-ray detection module are sequentially arranged in the detection outer shell, and comprehensive detection is conducted on the surface and internal defects of the hub. Each detection module is correspondingly provided with a control mechanism, the hub can be automatically grabbed and controlled to rotate, and multi-angle detection is achieved. According to the invention, multiple advanced detection technologies are integrated, the automation degree is high, manual intervention is effectively reduced, the labor intensity is reduced, and the detection consistency is improved. The conveying system and the control mechanism ensure accurate positioning and rapid detection of the hub and adapt to the rhythm of a production line. And defects in the forging process can be found in time, the product quality is guaranteed, the production efficiency is improved, and remarkable economic benefits and market application prospects are achieved.

The application belongs to the technical field of magnesium alloy wheel hub forging, in particular to a magnesium alloy wheel hub forging equipment, which comprises a mechanical arm, a steering mechanism, a fixed cylinder seat, a three-way flow divider and a spray head unit. The steering mechanism is used for steering adjustment, and the fixed cylinder seat is accurately moved between the upper die and the lower die of the forming die in cooperation with the mechanical arm. The pumping mechanism on the storage tank sends the stored release agent solution into the three-way flow divider through the water inlet pipe, and then the release agent solution is sprayed onto the bonding surface of the upper die and the lower die of the forming die by the spray head unit to form a uniform release film on the inner wall of the forming cavity of the forming die. Since there is a release film between the magnesium alloy wheel hub and the forming cavity of the forming die, the adhesion between the magnesium alloy wheel hub and the forming cavity of the forming die is reduced, the scratches and scratches on the surface of the magnesium alloy wheel hub are reduced, and the processing quality and production efficiency of the magnesium alloy wheel hub are improved.

The invention discloses a traveling wave magnetic field assisted flash welding method and equipment for rare earth alloyed wheel steel, and the method adopts a traveling wave magnetic field assisted flash welding process for the rare earth alloyed wheel steel meeting the automobile lightweight requirement, and enables a traveling wave magnetic field to continuously act on a welding area in the full stages of preheating, flashing and upsetting. Wherein the rare earth elements comprise cerium (Ce) and the like, and the components of the wheel steel are optimized through microalloying treatment; the temperature is accurately controlled to be 500-650 DEG C in the preheating stage, a traveling wave magnetic field of 10-30 mT and 50-100 Hz and specific welding parameters are adopted in the flash stage, the upsetting distance is controlled to be 2-5 mm and the upsetting pressure is controlled to be 6-8 MPa in the upsetting stage, heat transfer, metal flow and rare earth distribution are improved by means of the magnetic field, grains are refined, and defects are reduced. Meanwhile, the magnetic field and welding parameters are optimized through machine learning, and the purpose of minimizing the grain size is achieved. The method can remarkably improve the metallurgical bonding strength and the structure performance of the weld joint, and is suitable for efficient and high-quality welding of the rare earth alloying wheel steel.

The invention relates to the technical field of die manufacturing, in particular to an aluminum alloy hub extrusion casting combined die which comprises a lower die assembly, an upper die assembly is matched with the top of the lower die assembly, the top of the upper die assembly is connected with the lifting end of a press machine, and the bottom of the lower die assembly is fixedly arranged. Pouring exhaust units are symmetrically arranged at the tops of the left side and the right side of the lower mold assembly correspondingly and communicate with a hub cavity in the lower mold assembly, side mold opening mechanisms are installed on the left side and the right side of the lower mold assembly correspondingly, and the two side mold opening mechanisms are used for controlling lateral opening and closing of the hub cavity. The upper die assembly is used for controlling opening and closing of the top of the hub cavity. The production efficiency of the aluminum alloy hub is remarkably improved through gradient pulse pouring, on-demand graded cooling and cooperative work of the inner cooling unit and the bottom cooling unit.

An alloy wheel is formed having a three dimensional configuration defining a face and recessed surfaces. The face of the wheel is machined providing a smooth surface at the face and defining an edge between the smooth surface of the face and the recessed surfaces. A nozzle element for projecting a plasma jet toward the wheel is provided. The plasma jet is projected toward the smooth surface of the face, the edge, and toward at least a portion of the recessed surfaces forming an alloy oxide at least on the face and the edge disposed between the face and the recessed surfaces. A first polymeric coating is applied over the face, the recessed surfaces and the edge disposed between the face and the recessed surfaces.

The invention discloses a method for detecting the spraying quality of an aluminum alloy hub, which relates to the technical field of nondestructive testing, and comprises the following steps: detecting parameters based on a metamaterial microwave resonant cavity, detecting a three-dimensional model on the surface of the aluminum alloy hub, monitoring the resonant frequency offset in real time, calculating a local dielectric constant, and determining the spraying quality of the aluminum alloy hub through spatial interpolation analysis and abnormal region identification. Generating a dielectric abnormal distribution thermodynamic diagram; performing confidence grading on the defect verification result by adopting a confidence evaluation method to obtain a defect confidence level; on the basis of the defect confidence level, the detection parameters of the quantum dot fluorescence-conductivity dual-mode probe are adjusted, the dielectric abnormal distribution thermodynamic diagram is rechecked and verified, and an aluminum alloy hub spraying quality detection report is obtained; according to the invention, through micro-area detection and confidence level grading verification of the quantum dot fluorescence-conductivity dual-mode probe, the effects of accurately judging the composite defect and optimizing the detection precision are achieved.

The invention relates to the technical field of wheel cover seam allowance intelligent detection, and discloses an aluminum alloy wheel cover seam allowance detection device, which comprises a mounting bracket, a main assembly line conveying belt, a detection assembly, a limiting assembly and a cover seam allowance detection system, and is characterized in that the detection assembly comprises a supporting plate frame, a first detection mechanism, a second detection mechanism and a plate chain type conveying belt; a workpiece supporting plate at the top end of a supporting column on the plate chain type conveying belt can rotate by 180 degrees through meshing of a sawtooth ring and a sawtooth plate. The limiting assembly comprises a sliding groove, an inverted-T-shaped sliding block, a lifting mechanism and a baffle. According to the device, through a dual mechanism of initial inspection and reinspection confirmation, and in cooperation with reinspection station replacement and workpiece rotation, misjudgment caused by metal reflection is avoided; during reinspection, the main assembly line and the initial inspection mechanism continuously operate, and the production efficiency is guaranteed; and the baffle plate can ensure that qualified workpieces are returned to the original sequence, so that sorting disorder is avoided, and the uniformity of detection accuracy, production efficiency and flow orderliness is realized.

The invention discloses a mandrel-free aluminum alloy wheel spinning machine device, which comprises a main shaft driving mechanism (100), a power chuck (200), a spinning roller seat (300), a spinning roller driving mechanism (400), an inner support spinning roller (500) and a driving mechanism, and is characterized in that the main shaft driving mechanism (100) is driven by a motor to drive the power chuck (200) and an aluminum alloy hub blank to rotate at a high speed; the power chuck (200) is used for clamping a product, and clamping jaws on the power chuck (200) achieve clamping of aluminum alloy wheels of different specifications by adjusting the installation position or replacing the installation position. The spinning roller driving mechanism (400) realizes X-direction and Z-direction servo feeding movement; the inner supporting spinning roller (500) and the driving mechanism achieve servo feeding movement in the X direction and the Z direction. According to the core-mold-free spinning equipment, the spinning production process of an aluminum alloy wheel can be achieved under the structure without a core mold, the process is simplified, and the cost is saved.

The invention discloses an efficient energy-saving aluminum alloy hub spinning machine and relates to the technical field of hub production, the efficient energy-saving aluminum alloy hub spinning machine comprises a bottom plate and further comprises a spinning assembly, an inner supporting assembly and a spraying assembly, a friction plate penetrates through the center of the bottom plate and is in damping sliding connection with the center of the bottom plate, and second guide grooves are formed in the positions, located on the two sides of the friction plate, of the long edge of the upper surface of the bottom plate; two third guide grooves which are symmetrical along the center of the friction plate are formed in the position, surrounding the periphery of the friction plate, of the upper surface of the bottom plate, a plurality of first guide grooves are formed in the surface of the friction plate, and a limiting groove is formed in each first guide groove. By arranging the spinning assembly, the blank and the spinning wheel are controlled to always rotate at a high speed in the same direction; by arranging the inner supporting assembly, the blank is automatically centered and kept in the spinning process; and by arranging the spraying assembly, the blank and the spinning wheel are automatically sprayed and cooled in the spinning process.

1. Name of the designed product: motorcycle aluminum alloy wheel (892291, 892292). 2. Use of the designed product: the designed product is used for motorcycle wheel hub. 3. Design points of the designed product: in shape. 4. Picture or photo that best indicates the design points: design 1 perspective view 1. 5. Design 1 is designated as the basic design.

The utility model discloses a forged and stamped aluminum alloy hub, which belongs to the technical field of hubs, and has the following beneficial effects compared with the prior art: a positioning bulge and a positioning groove matched with the positioning bulge in an inserting and positioning manner are respectively arranged on one surfaces, which are close to each other, of a first connecting plate and a second connecting plate; a first rim frame and a second rim frame are positioned in the assembling process through positioning fit, it is guaranteed that a certain included angle is formed between the first rim frame and the second rim frame, follow-up installation of rolling pieces is facilitated, and the assembling efficiency is improved. The first rim frame is provided with a first connecting plate, the second rim frame is provided with a second connecting plate detachably and fixedly connected with the first connecting plate, one of the first connecting plate and the second connecting plate is provided with a positioning groove, and the other one of the first connecting plate and the second connecting plate is provided with a positioning protrusion matched with the positioning groove in an inserted and positioned mode. The positioning grooves and the positioning protrusions are matched in an inserted mode in the axial direction of the hub.

The invention relates to the technical field of forge piece demolding, in particular to a mechanical lossless demolding device and demolding method for a multidirectional die forging aluminum alloy hub forge piece. The portal frame made of high-quality low-alloy structural steel Q345B is adopted as a supporting frame of the demolding device, the overall rigidity of the device is guaranteed, and the overall strength is higher; according to the demolding device, the first balance ring and the second balance ring are driven to vertically move through the output shafts of the first jacking equipment and the second jacking equipment correspondingly, so that the upper mold core and the lower mold core are pressed to move downwards and upwards correspondingly, and it can be guaranteed that the mold core is not damaged during demolding by means of the vertical synchronous jacking technology of the first jacking equipment and the second jacking equipment; the upper mold core and the lower mold core are integrally and synchronously demolded, the demolding direction is perpendicular to the horizontal plane, and it is tightly ensured that the aluminum alloy hub forge piece and the mold cores are not damaged by external force.

The utility model belongs to the technical field of transportation equipment, and discloses an aluminum alloy hub inspection conveying belt which comprises a conveying belt body, a U-shaped support is fixedly connected to the middle of the bottom end of the conveying belt body, a driving motor is fixedly connected to the bottom of an inner cavity of the U-shaped support, and a rotating shaft is fixedly connected to the other end of an output shaft of the driving motor in a sleeved mode. The outer surface of the rotating shaft is fixedly sleeved with a rectangular plate. By arranging the driving motor, the rectangular plate, the connecting rods, the movable plates and the positioning plates, when the driving motor operates, a rotating shaft can drive the rectangular plate to rotate, then the two connecting rods rotate to drive the two movable plates to move oppositely, and therefore four connecting blocks drive the two positioning plates to move oppositely; the purpose of centering and positioning the aluminum alloy hub is achieved, friction between the aluminum alloy hub and the partition plate is avoided, and the inspection accuracy is improved.

The utility model relates to the technical field of hubs, and discloses a wiredrawing aluminum alloy hub. The front isolation cover comprises a front isolation cover body, wherein the front isolation cover body is fixedly installed on one side of the hub; and the back isolation cover is fixedly mounted on the other side of the hub. The front isolation hood and the back isolation hood fixedly mounted on the other side of the hub are arranged and wrapped on the inner side of the hub through the spokes, so that a brake pad of an automobile is located between the front isolation hood and the back isolation hood, and the brake pad is protected through the front isolation hood and the back isolation hood; the wheel hub effectively prevents broken stones from impacting parts on the inner side of the wheel hub through the hollowed-out parts between the spokes, so that damage to a brake disc or other elements is reduced, the service life of the brake disc and other parts is prolonged, meanwhile, when a vehicle runs on a muddy road, mud is prevented from splashing to the brake disc, and the service life of the brake disc is prolonged. The brake performance of the automobile is guaranteed, and potential safety hazards caused by automobile driving are reduced.

The utility model discloses an aluminum alloy wheel polishing clamp, which relates to the technical field of clamps, and comprises a rack, the upper end of the rack is fixedly connected with a clamping table, the upper end of the clamping table is fixedly connected with a three-jaw chuck, and the edge of the upper end of the clamping table is fixedly connected with a baffle plate; a baffle is fixedly connected to the upper end of the clamping table, an air blowing plate is fixedly connected between the inner wall of the front side of the baffle and the inner wall of the rear side of the baffle, the lower end of the air blowing plate is fixedly connected with the upper end of the clamping table, and the right end of the air blowing plate is fixedly connected with an air conveying cover. And meanwhile, the material guiding assembly and the collecting box are used in cooperation, automatic blowing and collecting of aluminum scraps in the polishing process can be achieved, manual intervention is avoided, the influence of shutdown cleaning on the machining efficiency is reduced, and meanwhile the stability of the clamp in long-term machining can be guaranteed.

The utility model provides a low-pressure casting mold for an aluminum alloy hub, and belongs to the technical field of hub casting. Comprising a mounting base, a support and a lower die are arranged on the mounting base, a mounting frame is vertically and slidably arranged on the support above the lower die, an upper die is arranged on the mounting frame, a plurality of side dies are arranged in the circumferential direction of the upper die, the upper die, the lower die and the side dies jointly define a cavity, and the side dies are slidably arranged on the mounting frame in the radial direction of the cavity. A liquid inlet is formed in the middle of the lower die in a penetrating mode, a pouring device used for injecting liquid aluminum alloy into the liquid inlet is arranged at the bottom of the mounting base, cooling mechanisms are arranged in the upper die, the lower die and the side dies, a first driving piece used for driving the mounting frame to move is arranged on the support, and a plurality of second driving pieces used for driving the side dies to move are arranged on the mounting frame. The method has the effects of shortening the solidification time of the aluminum alloy hub and improving the production efficiency.

The utility model discloses an aluminum skimming recovery device in machining of an aluminum alloy hub, relates to the technical field of recovery devices, and aims to solve the problems that in the prior art, the aluminum skimming collection efficiency is low, scattered aluminum skimming is generally collected manually, and operation is inconvenient. And fixing blocks distributed at equal intervals are fixed to the annular inner wall of the recycling shell, a containing assembly is arranged in the recycling shell, and the containing assembly comprises a round block, a fixing rod fixed to the top of the round block and connecting rods fixed to the annular outer wall of the round block at equal intervals. According to the aluminum scrap recycling device, the exhaust fan sucks air in the connecting pipe and the connecting cylinder, so that the air in the recycling shell flows towards the exhaust fan, the air flowing downwards drives generated aluminum scraps to move downwards, the air is discharged outwards through the collecting assembly and the exhaust fan, the aluminum scraps are collected in the filter cylinder, and the aluminum scraps can be recycled by pulling the handle. And the semicircular plate is pulled away from the connecting cylinder, and the aluminum skimmings in the filter cylinder are poured out.

1. The name of the design product: aluminum alloy wheel hub. 2. The use of the design product: used for the wheels of cars, sports cars, SUVs, business cars and the like. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: front view.

The application discloses a magnesium alloy wheel hub forging device, characterized by comprising a supporting column, a supporting plate connected to the upper portion of the supporting column, a base provided below the supporting plate, an adjusting mechanism provided on the base, a lower module one and a lower module two installed on the adjusting mechanism, a gap provided in the middle position of the supporting plate and used for allowing the lower module one or the lower module two to pass through, and a hydraulic cylinder two provided in the middle position of the upper portion of the base, wherein a supporting block is connected to the piston rod of the hydraulic cylinder two and arranged through the gap. In the application, the module can be conveniently and quickly replaced, and the speed of wheel hub forging forming is accelerated.

1. The name of the design product: lightweight aluminum alloy wheel hub (01). 2. The use of the design product: wheel hub for automobile. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 3.

1. Name of the product in this design: Aluminum Alloy Wheel (CG947). 2. Purpose of this design: As a component of a passenger car, it supports the tires and also serves a decorative function for the car. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key features: the front view.

The utility model relates to the technical field of aluminum alloy hub casting dies, and discloses a die-casting machine top platen and die connecting structure which comprises a connecting column, a bottom foot used for being connected with a hub casting die top die is arranged at the bottom end of the connecting column, and the top end of the connecting column is elastically connected with a die-casting machine top platen through an elastic assembly. And the connecting columns are elastically connected with the top platen, so that an elastic connection mode between the top mold of the casting mold and the top platen is formed. According to the utility model, the rigid connection mode between the traditional top template and the top die of the casting die is avoided, the matching clearance between the connecting column and the top bedplate is effectively reduced, the abrasion of the connecting part of the top template and the top die of the casting die is reduced, and the problems that the top die is easy to be assembled incorrectly during long-time use and the production cost is reduced are solved. The matching precision of the top die, the top die and the side die is influenced, and the casting precision of the hub blank is ensured; and meanwhile, the elastic connection mode effectively buffers impact in the action process of the die-casting machine, and the operation stability of equipment is improved.

The application relates to the field of hub machining, in particular to a drilling and tapping integrated machine for aluminum alloy hub machining, which comprises a machine tool base, a clamping unit arranged on the machine tool base, and a machining unit arranged on the clamping unit. Different types of hubs are clamped and centered by the centering block I and the centering block II, and the thin wall of the hub is axially supported or clamped by cooperating with the pressure head, so that the stability of the clamped part is enhanced, the thin wall deformation is inhibited by the reverse top support, the bulging height of the drilling part of the drill bit is reduced, the drill bit and the tap are driven to move up and down linearly through the movable plate, the drilling and tapping operation on the machining position of the hub is realized through one complete activity stroke of 'down-up-down', the single piece beat is shortened, the tap loss is reduced, and the tap life is prolonged.

The invention relates to the technical field of spinning machines, in particular to an aluminum alloy hub spinning machine which comprises a machine body, an air box, a linkage assembly and an air pumping assembly. A fixed air cylinder is fixedly installed at the top end of the inner wall of the machine body, machining air cylinders are symmetrically and fixedly installed on the two sides of the inner wall of the machine body, and door bodies are symmetrically arranged on the front side and the rear side of the machine body; through the linkage structure of the machining air cylinder and the door body, automatic and synchronous closing of the door body during machining starting is achieved, manual intervention is not needed, operation steps are reduced, and the risk of manual misoperation is avoided. In the door body closing process, synchronous movement of the door bodies on the two sides is guaranteed through meshing transmission of the second gear and the second rack, a reliable closed machining space is formed in cooperation with sealing rubber strips on the edges of the door bodies, and chippings and oil dirt are effectively prevented from overflowing. After the door body is closed in place, the first gear enters the tooth missing area of the first rack to achieve locking, it is guaranteed that the position of the door body is stable in the machining process, and potential safety hazards caused by loosening of the door body are thoroughly eliminated.

The utility model discloses a roller for spin forming of a forged aluminum alloy hub, which comprises a roller body, and an annular initial arc part which is concave inwards, an inclined surface part which is inclined downwards from inside to outside, a roller round corner part which is convex outwards and a belly round corner part which is convex outwards are sequentially arranged on the outer wall of the roller body from top to bottom. The belly round corner part is arranged on the inner side of the roller round corner part; the round corner radius of the roller can be increased conveniently, the overall thickness of the roller can be increased conveniently, and therefore the service life of roller parts is prolonged, and the spinning machining efficiency is improved. The forming fillet radius is optimized, metal flows smoothly in the blank spinning process through the belly fillet part, spinning forming is facilitated, and the machining efficiency is better improved.

The present application belongs to the field of precision forming process and technology of aluminum alloy metal products, and proposes a double-point positioning positive and reverse bidirectional spinning device and preparation method for aluminum alloy hub. The double-point positioning positive and reverse bidirectional spinning device of the present application can realize the preforming of the rim area in the first pass of aluminum alloy hub spinning forming, so as to ensure that the rim area size basically meets the technical requirements of aluminum alloy hub structure design; in the second pass of aluminum alloy hub spinning forming, the precise forming of the rim wall thickness size can be realized, and the coarse silicon phase in the aluminum alloy organization can be broken, so as to realize the size refinement and homogenization of the fine silicon phase in the aluminum alloy organization; in the double-point positioning positive and reverse bidirectional spinning forming of the aluminum alloy hub spinning forming, the final forming of the rim area size can be realized; the double-point positioning positive and reverse bidirectional spinning device and preparation method have the characteristics of high production efficiency, low manufacturing cost and strong process applicability.