2172 results about "Wire drawing" patented technology

The invention relates to a high-strength complex-phase hot-rolled wire rod for a 1960MPa-grade stranded wire and a manufacturing method of the high-strength complex-phase hot-rolled wire rod. After high-carbon components containing trace B are designed, rolled and spun into a wire rod, online molten salt rapid quenching treatment is carried out, and the wire rod is firstly subjected to front-section molten salt treatment, so that the wire rod is cooled at the cooling speed of greater than or equal to 36 DEG C / s and enters a bainite and pearlite mixed phase region from an austenite state; the method comprises the following steps: quenching a steel wire rod to form a structure mainly comprising quenched bainite and a sorbite structure, carrying out rear-section molten salt treatment on the steel wire rod, increasing the molten salt temperature, promoting isothermal tempering of the quenched bainite and the sorbite structure, and carrying out roller way slow cooling to prepare the hot-rolled steel wire rod of which the microscopic structure comprises a complex-phase structure consisting of tempered sorbite, tempered bainite and ferrite, the composition system can be simplified, the strength and plasticity matching and rapid production of the wire rod are considered, the tensile strength is 1330-1380 MPa, the percentage reduction of area is 35%-40%, and the wire breaking risk in the wire drawing and twisting process of the stranded wire steel can be reduced.

The invention discloses a wire drawing machine operation state evaluation method and system based on deep learning, and relates to the technical field of intelligent manufacturing, and the method comprises the steps: deploying a multi-source sensor at a preset part of a wire drawing machine, and forming a multi-dimensional operation data flow; the deep learning evaluation model is trained based on the standardized time series data set, model parameters are optimized through a cross entropy loss function, the model learns the characteristic difference between a normal working condition and an abnormal working condition, and the deep learning evaluation model is trained based on the standardized time series data set. And inputting a multi-dimensional operation data flow collected in real time into the trained deep learning evaluation model to generate a dynamic evaluation report. According to the wire drawing machine operation state evaluation method and system based on deep learning provided by the invention, a visual operation state score can be output, detailed fault type probability distribution is given, and intelligent support is provided for equipment maintenance decision.

The invention relates to a high-strength complex-phase hot-rolled wire rod for a 2060MPa-grade stranded wire and a manufacturing method of the high-strength complex-phase hot-rolled wire rod. After high-carbon chemical components containing trace V are designed, rolled and spun into a wire rod, the wire rod is cooled at a cooling speed of more than or equal to 33 DEG C / s through on-line molten salt semi-quenching treatment, enters a bainite and pearlite mixed phase region from an austenite state, and is subjected to hot rolling and hot rolling at a cooling speed of more than or equal to 33 DEG C / s; the method comprises the following steps: quenching bainite and a sorbite structure to form a structure mainly comprising the quenched bainite and the sorbite structure, then carrying out isothermal tempering, and finally carrying out roller way slow cooling to prepare the hot-rolled wire rod of which the microscopic structure comprises a complex-phase structure consisting of tempered sorbite and tempered bainite, so that a component system can be simplified, the material cost can be reduced, network carbides can be effectively controlled, and meanwhile, the complex-phase structure can be regulated and controlled; the high strength and plasticity of the wire rod are matched, the tensile strength is 1390-1440 MPa, the percentage reduction of area is 32%-37%, and the steel wire rod is used for manufacturing 2060 MPa grade stranded wires and other application fields and is beneficial to downstream wire drawing and twisting processing.

The invention relates to the technical field of decorative materials, in particular to a decorative material with a 3D texture structure and a preparation method and application of the decorative material. The method comprises the following steps: carrying out digital printing on a pretreated substrate to obtain a 2D pattern layer on the surface of the substrate; coating the surface of the 2D pattern layer with a photocuring coating, carrying out preliminary curing, and then carrying out ink-jet printing of a texture developing solution on the surface subjected to preliminary curing to carry out secondary curing, so as to obtain a cured coating; the cured coating comprises a hardened part and an unhardened part; and after an unhardened part in the cured coating is removed through polishing and wire drawing, a surface coating is coated, and the decorative material with the 3D texture structure is obtained. The textures with different widths and depths can be obtained in a manner of combining primary curing of the coating with ultraviolet absorption of the developing solution, and then a microcosmic coarse and visual smooth form is obtained through polishing and wire drawing treatment, so that the obtained 3D texture structure is closer to natural textures.

The invention discloses a reinforcement learning-based spring steel wire drawing control method, which comprises the following steps of: acquiring real-time process parameters to form a process state data sequence; inputting the process state data sequence into the state space model, and constructing a virtual working condition sample; based on the virtual working condition sample, pre-training a reinforcement learning controller and outputting an initial control strategy; inputting the initial control strategy into a lower-layer strategy network, and outputting a wire drawing speed adjusting instruction; the current process state and the wire drawing speed adjusting instruction serve as synchronous input, and an implicit context vector is generated; extracting control strategy characteristics in the edge controller, performing compressed encoding and forming control strategy representation; uploading the control strategy representation to a cloud server, and outputting a unified global control strategy model; and carrying out anomaly detection on the current process state, and if a detected state reconstruction error exceeds an anomaly judgment threshold, triggering safety control logic. The spring steel wire drawing control device realizes spring steel wire drawing control.

The invention relates to the technical field of preparation of aluminum alloy conductor materials, and particularly discloses a preparation method of an Al-Mg-Si-RE-based aluminum alloy conductor for a 10-35kV middle and low voltage cable, which comprises the following steps: adding a microalloyed intermediate alloy into an aluminum melt by adopting an addition method, stirring, smelting, refining, and casting to form, thereby obtaining the Al-Mg-Si-RE-based aluminum alloy conductor for the 10-35kV middle and low voltage cable. And performing annealing, rolling, wire drawing and aging heat treatment to obtain a final product. Wherein in the smelting stage, raw materials are completely melted at 700-750 DEG C; hexachloroethane is used as a refining agent for refining; annealing at 330-350 DEG C and preserving heat for 4-8 hours; and aging at 300 DEG C for 10 hours after deformation. In the preparation of a wire of a 10-35kV medium and low voltage power cable, the aluminum alloy wire has high conductivity of 62.1-62.5% IACS (International Annealed Copper Standard) and tensile strength of 101-117MPa by simplifying the process steps and optimizing the element ratio on the premise of ensuring the controllable raw material cost, and the mechanical property and electrical property requirements of the medium and low voltage wire are balanced.

The invention relates to the technical field of shielding type cables, in particular to a shielding type data transmission cable and a preparation method thereof, and the method comprises the steps: drawing a wire core through a wire drawing machine, carrying out the extrusion molding of an insulating material in a molten state, and wrapping the outer layer of the wire core, thereby obtaining an insulated wire core; the method comprises the following steps of: gathering a plurality of insulated wire cores to form a wire harness, twisting and forming the plurality of wire harnesses to obtain a cable core, acquiring stress data of each wire harness and the cable core, calculating an order change interference degree of each stress data in a stress sequence, acquiring a sudden deviation degree of each stress data in the stress sequence, extracting stress abnormal data, and correcting each stress abnormal data. And obtaining the pointing degree of each pointing wire harness and the folding degree of the cable core, and adjusting the wrapping tape tension of a wrapping machine in the preparation process of the shielding type data transmission cable through the deviation between the pointing degree and the folding degree, thereby completing the preparation of the shielding type data transmission cable. According to the invention, the accuracy of adjusting and compensating the belting tension can be improved.

The invention discloses a production method of a novel rare earth submerged arc welding wire steel wire rod for pipeline steel. The specific technological process is as follows. Blast furnace molten iron preparation, molten iron pretreatment, converter top and bottom combined blowing smelting, LF refining, VD vacuum treatment, small square billet continuous casting, steel billet heating, high-pressure water descaling, rough rolling, flying shearing, intermediate rolling, kick shearing, finish rolling, controlled cooling water tank, spinning, stelmor cooling, coil collecting, trimming, sampling inspection, collecting and bundling and weighing -a finished wire. According to the novel production method of the rare earth submerged arc welding wire steel wire rod for the pipeline steel, by adding rare earth elements and novel alloy elements, the comprehensive performance, including but not limited to the low-temperature toughness impact performance, strength, toughness, corrosion resistance and the like, of welding wire steel is improved. Meanwhile, the rare earth element and the nickel element are added, the smelting process is optimized, composition segregation and inclusions are reduced, the porosity is reduced, and the strength and toughness of the welding wire steel are improved.

The invention relates to the field of screw forming, and discloses a screw cold heading forming process which is characterized by comprising the following steps: step 1, wire preparation and surface pretreatment: based on the requirement of screw forming on the surface quality of raw materials, a metal wire is treated by adopting a mechanical wiredrawing and chemical phosphating and saponifying composite process, and the surface of the metal wire is treated; surface oxide skin is removed, a lubricating film layer is formed, and the forming flowability and the service life of the die in the subsequent cold heading process are effectively improved. A raw material is subjected to spheroidizing annealing treatment in a continuous spheroidizing annealing furnace, internal pearlite is converted into spherical cementite, the ductility and deformation uniformity of the material are improved, then a continuous wire drawing machine is adopted for multi-stage drawing diameter reduction, a three-stage chemical phosphating-saponification treatment process is matched, a low-friction and high-adhesion lubricating film layer is formed, and the service life of the lubricating film layer is prolonged. And a stable material basis and a lubricating environment are provided for the subsequent cold heading process, so that the problems that the friction resistance generated in the forming process of a screw material is large, and a mold is quickly worn are solved.

The invention discloses a wire drawing processing device for a steel wire rope, and relates to the technical field of wire drawing processing, the wire drawing processing device comprises a mounting table, an unwinding reel is mounted on the mounting table, a wire die is movably arranged on the mounting table, a working table is mounted on the mounting table, a limiting groove is formed in the working table, the wire die is movably mounted in the limiting groove, and a wire groove is formed in the working table; according to the wire drawing machine, by arranging the winding wheel, the threaded rod, the arch-shaped clamping frame, the powder bin and the like, segmented wire drawing is achieved through the arrangement of the arch-shaped clamping frame on the winding wheel when wire drawing is conducted on the steel wire rope, the wire drawing efficiency is improved, and the wire drawing efficiency is improved. And the steel wire rope can be clamped in sections when being broken, so that the tightened steel wire rope is prevented from driving the wire mold to jump out of the groove, the use safety of the structure is further improved, the occupied area is small, and the use is convenient.

The invention discloses a circulation system of aluminum wire drawing liquid, and relates to the technical field of metal processing, the circulation system comprises: a wire drawing device, which is provided with an immersion liquid box and an outlet die, and after entering the immersion liquid box for drawing, an aluminum rod is sized from the outlet die for molding; a filter is arranged in the wire drawing liquid pool, the filter is communicated with the immersion liquid box through a circulating pipe I, the circulating pipe I is connected with a heat exchanger, and the immersion liquid box is communicated with the wire drawing liquid pool through a return pipe; the cooling system is connected with the heat exchanger through a circulating pipe II; the filter is provided with at least one continuous filtering mechanism, and the continuous filtering mechanism is configured to trigger the continuous filtering mechanism to rotate to switch a new filtering structure when the water level in the filter rises. After the water-based aluminum wire drawing liquid is adopted, no smell is generated in the circulation process, and the surrounding environment of a machine table is clean and tidy. Meanwhile, after the aluminum powder is filtered and is drawn by a nano-mold, the lubricating property is good, and the surface of the aluminum wire is smooth and clean.

The utility model discloses automatic wire drawing equipment. The automatic wire drawing equipment comprises a rack as well as a pay-off mechanism, a front guide wheel set, a wire lubricating system, a wire furnace, a mold furnace, a rear guide wheel set, a wire drawing mechanism, a tension speed measuring mechanism and a take-up mechanism which are sequentially arranged on the rack from left to right, the system further comprises a control system. The pay-off mechanism comprises a pay-off rack, and a pay-off wheel, a swing pulley, a buffer pulley, a pay-off speed measurement pulley and a guide pulley which are arranged on the pay-off rack; the pay-off wheel is connected with a pay-off servo motor; the front guide wheel set and the rear guide wheel set are each provided with a plurality of wire grooves. A wire drawing wheel of the wire drawing mechanism is a straight cylinder wheel; the tension speed measurement mechanism comprises a first guide pulley, a post-drawing speed measurement pulley and a second guide pulley; the take-up mechanism comprises a take-up wheel and a take-up servo motor. Thus, the wire drawing quality and the wire drawing efficiency can be improved, the wire breaking phenomenon is not prone to occurring, and the automatic wire drawing equipment is stable in operation, extremely low in fault rate in the wire drawing machining process and capable of meeting the requirement for drawing finer wires.

The utility model relates to the technical field of glass fiber felt production, in particular to a uniform laying device for glass fiber felt production, which comprises a base, a wire drawing machine is arranged at the top of the base, a fiber discharge port is arranged at the bottom of the wire drawing machine, and an agent spraying component is arranged at the top of the base and positioned on one side of the wire drawing machine. A shaping assembly is arranged at the position, located on one side of the agent spraying assembly, of the top of the base, an adhesive in a storage box is sucked into a connecting pipe through a water pump and reaches a flow divider through the connecting pipe, and then the adhesive is evenly sprayed to glass fibers through a plurality of spraying heads at the bottom of the flow divider; the adhesive in the storage box is stirred through the stirring mechanism, so that the adhesive is fully mixed, the adhesive is prevented from sinking to the bottom, manual spraying is not needed, the cohesiveness of fibers cannot be affected, meanwhile, the labor intensity of workers is reduced, and the working efficiency is improved.

The invention discloses a manufacturing process of an aluminum-clad steel composite automobile wire, which solves the problems of high copper consumption, high cost, imperfection of an aluminum strip copper scheme in a low-voltage loop, limited application of an aluminum-clad steel scheme in an automobile cable, low cost and the like in the prior art through the steps of material selection and optimization, cladding, wire drawing, terminal connection and welding. And problems exist in the welding process of the aluminum wire in the connector. According to the aluminum-clad steel composite automobile wire manufactured by the process, on the premise of ensuring the conductivity, the copper consumption is further reduced, the mechanical strength is improved, the corrosion resistance is enhanced, meanwhile, a reliable connection solution is provided, the production cost is reduced, the overall performance of an automobile wire harness is improved, and the service life of the automobile wire harness is prolonged.

The utility model relates to the technical field of bonding wire production, in particular to a wire breakage prevention traction device for bonding wire drawing equipment. The wire feeding device is reasonable in structural design and mainly comprises the base, the vertical plate, the guide sliding groove, the transverse push rod, the movable blocks and the guide sliding plate, the transverse push rod is used for driving the movable blocks and the guide sliding plate to linearly move in the length direction of the guide sliding groove, and the two movable blocks on the outermost side are provided with the wire feeding block and the wire discharging block respectively. In this way, the traction position of the wire feeding block can be correspondingly adjusted according to the position of a bonding thick wire on the discharging roll, and the position of the wire discharging block can be correspondingly adjusted according to the position of drawing equipment. And meanwhile, the positions of the wire guide blocks can be adjusted according to the bottom end positions of the wire block and the wire outlet block, the rotating directions of the wire guide blocks are correspondingly adjusted, the traction resistance is reduced, and the wire breaking prevention traction effect is good.

The invention relates to the technical field of copper wire drawing, in particular to metal bus production and processing equipment which comprises a positioning groove, a half die device, a copper wire, a temporary eye die and a liquid feeding device, the two half eye dies are spliced to form a main position eye die, and the copper wire penetrates through a middle hole of the main position eye die to achieve wire drawing. Lubricating cooling liquid is sprayed to a center hole of the main position hole die at a fixed point through the annular spray head, so that new lubricating cooling liquid can be accurately supplemented to a liquid consumption position, meanwhile, old lubricating cooling liquid is squeezed away, the two half hole dies are separated, and the temporary hole die plays a temporary wire drawing function; the brush roll assembly arranged for each half-hole die is used for cleaning, after cleaning is completed, the two half-hole dies are automatically spliced and combined, subsequent copper wire drawing work continues to be carried out, temporary wire drawing is maintained by the temporary hole die, therefore, the problem of chippings is relatively ignored, and the temporary hole die can be cleaned after the whole wire drawing work is completely completed.

The invention discloses fluoride-salt-free and nitrate-free low-temperature pearlescent glaze for steel plate enamel as well as a preparation method and application of the pearlescent glaze, and belongs to the technical field of enamel. The pearlescent glaze is prepared from quartz, anhydrous borax, titanium dioxide, magnesium carbonate, sodium tripolyphosphate, potassium carbonate, lithium carbonate, potassium feldspar, zinc oxide and V-26 according to a specific mass ratio. The preparation method comprises the steps of raw material mixing, high-temperature melting under a pure oxygen condition, wiredrawing detection, quenching and the like. The pearlescent glaze is completely free of fluoride salt and nitrate, the problems of fluoride emission and environmental protection equipment blockage are avoided from the source, the fluorine content of the product is not detected through detection, the product meets the requirements of European Union REACH regulations, meanwhile, the pearlescent glaze has good porcelain surface, luster and low-temperature firing adaptability, is suitable for a steel plate matrix, has the firing temperature of 760-800 DEG C and the firing time of 10-20 minutes, and is suitable for a steel plate. The method can be used for producing green and environment-friendly enamel products.

The invention relates to a light combination module assembling and dispensing all-in-one machine applied to the field of dispensing machines, a dispensing pipe is arranged to replace a traditional electric control valve glue outlet structure, a glue and air section separation structure is arranged in the dispensing pipe, a plurality of dispensing units are formed in the dispensing pipe through vertical movement during glue pumping and air section control, and the dispensing efficiency is improved. The glue discharging pump pushes the glue and the air section in the dispensing pipe to be alternately released in the glue discharging stage, the intermittent glue discharging function is achieved, the glue discharging process does not depend on opening and closing control of a traditional valve, physical pushing is conducted based on a glue and air section partition structure formed in the dispensing pipe in advance, the glue breaking position is determined by the air section, and the glue discharging efficiency is improved. The problems of wire drawing, trailing, glue overflowing and the like are avoided, additional valve control is not needed, and the structure is simpler, so that the glue dispensing control process is structurally simplified, glue discharging errors caused by inconsistent valve actions are avoided, the complexity of a system is also reduced, and maintenance is more convenient.

The invention belongs to the technical field of aluminum alloy cables, and discloses a high-strength heat-resistant light-weight green aluminum alloy cable which sequentially comprises a silver-aluminum alloy conductive core, a conductor shielding layer, an insulating layer, an insulating shielding layer, a PP filling rope, a non-woven fabric wrapping tape, a steel belt and a heat-resistant flame-retardant waterproof outer sheath layer from inside to outside. The silver-aluminum alloy conductive core comprises the following components in percentage by weight: 0.01 to 0.3 percent of Cu, 0.3 to 0.8 percent of Fe, 0.03 to 0.1 percent of Si, 0.01 to 0.05 percent of Zn, 0.02 to 0.05 percent of Mg, 0.001 to 0.04 percent of B, 0.01 to 0.08 percent of Ag and the balance of Al; the silver and copper microalloying effect is cooperated with the molded line film drawing process, so that the strength and the conductivity of the conductor are improved; and the outer sheath layer takes a polydimethylmethylhydrosiloxane grafted waterproof agent and a 4-vinyl aniline polymer as functional modifiers, and PVC is compounded, so that the cable is endowed with excellent heat-resistant, flame-retardant and waterproof characteristics.

The invention is suitable for the technical field of alloy wire drawing, and provides alloy wire drawing equipment and a drawing process thereof.The alloy wire drawing equipment comprises a main body assembly, a wire guiding assembly installed on one side of the main body assembly and a winding assembly arranged on the other side of the main body assembly, and the main body assembly comprises a frame and a box body installed on the top of the frame; a cover body is hinged to the top of the box body, a die holder assembly and two cone pulley assemblies are arranged in the box body, and the device solves the problem that for a non-equal-ratio stepped special cone pulley, a horizontal die holder swinging and inclining mode cannot enable a wire drawing die to be matched with a cone pulley groove in position. The device achieves the effects that the splicing dislocation height can be adjusted according to the shape of the cone pulley through the cooperation of a plurality of connecting blocks capable of being adjusted independently and the jacking column, the device can adapt to the non-equal-ratio stepped special cone pulley, the use requirements of the cone pulleys with different lengths can be met by freely increasing and decreasing the number of the connecting blocks, and meanwhile the functionality of the device is improved.

The invention discloses a wire drawing machine auxiliary fault judgment method and system based on digital twinning, and relates to the technical field of wire drawing machine equipment maintaining.The method comprises the steps that firstly, actual mechanical, electrical and process related data of all wire drawing machines are collected, preprocessed and then input into a digital twinning model, and simulation data are obtained; based on actual and simulation data, mechanical, electrical and process related data are analyzed, whether the corresponding operation state of each wire drawing machine is normal or not is judged, and if the mechanical, electrical or process operation of a certain wire drawing machine is abnormal, the safety coefficient in the abnormal state is compared with a database preset value, and a fault source is positioned. The digital twinning technology is combined with safety coefficient analysis, efficient and accurate judgment and positioning of faults of the wire drawing machine are achieved, and the operation reliability and production efficiency of the wire drawing machine are improved.

The invention belongs to the technical field of wire drawing machines, and particularly relates to a distributed wire drawing machine operation management method and system.The environment parameters of all nodes and current physical state data of materials are collected in real time, the environment parameter deviation value is calculated based on the environment parameter deviation value, and then a material performance fluctuation prediction value is generated; the temperature and humidity adjusting amount of the node is dynamically adjusted according to the prediction result so as to optimize the material yield and physical characteristics, the method can accurately capture the influence of the change of the environmental parameters on the material performance, the dynamic correction coefficient of the environmental parameters can be continuously updated through trend analysis, and the compensation precision and stability are further improved; therefore, the technical problem of unstable material yield caused by fluctuation of environmental parameters in a traditional method is solved, and the production stability and efficiency are remarkably improved.

The invention is applicable to the technical field of wiredrawing, and provides an alloy wire lubricating and cooling device for wiredrawing production, which comprises a main body assembly, the main body assembly comprises a wiredrawing box, two cone pulleys are rotatably arranged in the wiredrawing box, and a lubricating and cooling assembly, a mold frame assembly and a limiting assembly are mounted in the wiredrawing box. The device solves the problems that the wire drawing oil is driven to splash under the impact force of wire drawing of a steel wire, impurities such as metal chips and mold powder retained in accumulated oil are splashed back along with the splashed oil, so that the impurities in a mold hole are accumulated, the surface of the steel wire is scratched, an oil film attachment foundation is damaged, the impurities are embedded into the oil film to form abrasive particles, oil film breakage is accelerated, and the lubricating effect of the wire drawing oil is finally influenced. According to the device, the wire-drawing die is staggered by arranging the wedge block top limiting plate, the oblique flow groove of the convex block and the partition plate, the effects of guiding oil impurities to be smoothly discharged and reducing accumulation and splashing of the oil impurities at the die position are achieved, and the conditions that the impurities scratch the surface of a steel wire and damage an oil film are avoided.

The utility model provides a steel wire surface cleaning device, which belongs to the technical field of steel wire production and comprises a driving wheel, a cleaning brush, a support and a base, the support is fixed on the base, the driving wheel is rotatably connected with the support, the cleaning brush is slidably connected with the support, and the cleaning brush is positioned on one side of the driving wheel; a cam is fixedly connected to one side of the driving wheel, and the bottom end of the cleaning brush makes contact with the outer surface of the cam. The steel wire cleaning device can be used for dry-type wire drawing, directly cleans the surface of a steel wire, is simple in structure, does not occupy extra space, and improves the production efficiency of the steel wire.

The invention belongs to the technical field of bonding aluminum wire production, and particularly relates to a drawing rigidity detection device and method for bonding aluminum wire production, and the device comprises a frame, an expansion wire drawing simulation cylinder part, a wire feeding guide assembly, a wire discharging guide assembly, a fixed clamping assembly, a movable clamping assembly and a rigidity detection assembly. A wire feeding guide assembly and a fixed clamping assembly are installed on a left side plate of the frame, a movable clamping assembly is installed on a lower side plate of the frame, and a wire discharging guide assembly and a rigidity detection assembly are installed on an upper side plate of the frame. According to the invention, the drawing process of an actual expansion wire drawing cylinder can be simulated, and rigidity detection is carried out on bonded aluminum wires at different positions of expansion wire drawing cylinders of different specifications; chippings on the surface of the bonding aluminum wire can be sucked and removed in the drawing process; the rigidity detection assembly can accurately adjust the release height position of the dynamic load component, so that the impact load corresponding to rigidity detection is rapidly adjusted, and segmented detection is carried out on the bonding aluminum wires wound on different reducing sections.

The utility model relates to a wire drawing system with pay-off power, which comprises a pay-off machine, a wire drawing machine and a take-up machine, the pay-off machine comprises a rack adjustably arranged on one side wall of the wire drawing machine, and a pay-off device, a guide device and a tension device which are arranged on the rack; the pay-off device comprises a pay-off motor and a clamping mechanism, and a pay-off wheel wound with a wire is detachably arranged on the clamping mechanism; the guide device comprises a guide piece I with a guide wheel and a guide piece II with two guide wheels; the tension device comprises a tension wheel arranged on the rack in an up-down swinging mode and a sensor used for monitoring the swinging angle of the tension wheel. And a wire on the pay-off wheel is led out to sequentially wind the guide wheel on the first guide piece, one guide wheel on the second guide piece, the tension wheel, the other guide wheel on the second guide piece and the other guide wheel, and then is led into the wire drawing machine. According to the utility model, active pay-off can be realized, and the pay-off machine, the wire drawing machine and the take-up machine are linked and matched, so that stable drawing of superfine wires can be realized.

The invention relates to the technical field of data processing, in particular to an automobile steel wire quality prediction, regulation and control method based on digital twinning, which comprises the following steps: acquiring multi-source sensing data and drawing speed in the drawing process of an automobile steel wire in real time; determining a preliminary time attention factor of each historical moment in the time period to which the current moment belongs; determining a space-time mapping deviation of each historical moment in the time period to which the current moment belongs; determining an optimized forgetting gate bias item of the Att-BiLSTM at the current moment; and predicting the residual stress of the steel wire at the current moment through the self-adaptive Att-BiLSTM, and realizing real-time regulation and control of the quality of the automobile steel wire according to a prediction result. According to the method, Att-BiLSTM is optimized through the multi-source data and the space-time mapping deviation, parameters are adjusted in a self-adaptive mode, and therefore the digital twinning prediction precision and the steel wire quality control stability under variable-speed drawing are improved.

The invention relates to the technical field of advanced manufacturing and artificial intelligence, and discloses a reinforcement learning-based superfine tungsten filament drawing process intelligent optimization method, which comprises the following steps of: constructing a digital twinborn model in a tungsten filament drawing process; based on the model, a hierarchical reinforcement learning framework is adopted for strategy training, and the framework comprises a high-level strategy network responsible for inter-pass macro target planning and a low-level strategy network responsible for real-time fine regulation and control in the pass to achieve the macro target. Before the low-layer strategy network outputs the control action, the disconnection risk of the action is predicted, and the high-risk action is corrected or denied, so that safe exploration and optimization are realized. Through combination of digital twinning, hierarchical decision and safety constraint, intelligent control over the whole flow of the superfine tungsten wire drawing process is achieved, and the yield, production efficiency and quality consistency of superfine tungsten wires of 30 microns and below can be remarkably improved.

The invention discloses a wiredrawing polishing machine with a tension adjusting function, and relates to the technical field of polishing and wiredrawing machines, the wiredrawing polishing machine comprises a rack, the top of the rack is fixedly connected with a fixing frame, and the top of the fixing frame is fixedly connected with a conveying assembly. Through the arrangement of the wire drawing unit, a first hydraulic cylinder is started to drive a sliding rod and a rotating roller to move, the rotating roller moves to drive a polishing wire drawing belt to extend, then the contact area of the polishing wire drawing belt and a workpiece can be increased, the sliding rod moves to drive an L-shaped rod to move, and the L-shaped rod moves to drive two rotating wheels to move; the two rotating wheels move to drive a strip-shaped block and one extrusion wheel to move, under the cooperation effect of a telescopic rod and a telescopic spring, the multiple extrusion wheels can be unfolded at equal intervals, and then the multiple extrusion wheels can evenly extrude the contact face of the polishing wire drawing belt along with extension of the polishing wire drawing belt; and therefore, the uniform supporting and pressing effect on the polishing wire drawing belt is improved, and the polishing wire drawing effect on the workpiece is improved.

The invention relates to the technical field of bionic manipulators, in particular to an electromagnetic pull-in wire drawing system for a bionic manipulator, which comprises a bottom plate, a brushless direct current motor fixed at the top of the bottom plate; the linkage rod is connected to the end part of an output shaft of the brushless direct current motor, and the output shaft of the brushless direct current motor is connected with the linkage rod in a taper fit manner; the motor connecting rod fixing device is fixed at the top of the bottom plate and is used for mounting the linkage rod; five bionic manipulator fixing devices, wherein all the bionic manipulator fixing devices are fixedly provided with bionic mechanical fingers; the five action driving assemblies are used for driving the bionic mechanical fingers to act; the central processing unit is used for controlling the starting of the action driving assembly to carry out action control; when the device is driven by the brushless direct current motor, single-motor-driven multi-degree-of-freedom control is realized, the problem of redundancy of a power unit is solved, and the volume and the weight of the system are favorably reduced.