6118 results about "Rolling mill" patented technology

The invention discloses a method for manufacturing 7072 alloy high-performance air conditioner foil in a low-carbon, efficient and short-process mode, and relates to the technical field of aluminum foil machining. S2, continuous casting and rolling; s3, cold foil rolling; s4, finished product annealing; and S5, checking and packaging. Through component adjustment, iron and silicon alloy elements are controlled at the lower limit of the national standard, generation of coarse aluminum-iron-silicon phases is reduced, and low ductility caused by coarse grains after finished product annealing is avoided; in the cold foil rolling process, indexes of a working roll and rolling oil are adjusted, process parameters are optimized, the blank is directly rolled into a finished product, the direct rolling process is beneficial to improving the mechanical property of the finished product, and punching production of downstream customers is facilitated; and after triple continuous rolling is finished, subsequent cold foil rolling continuous rolling is rapidly arranged, deformation heat generated by triple continuous rolling and rolling of each pass is fully utilized, and large-machining-rate rolling of each pass is achieved.

The present invention discloses a pipe gear rolling machine and a gear rolling method, which belong to the technical field of pipe processing. The pipe gear rolling machine includes a pipe conveying mechanism, a gear rolling main machine and a through-rod conveying mechanism. The pipe conveying mechanism includes a pipe conveying frame, a pusher assembly arranged on the pipe conveying frame and a plurality of pipe roller assemblies arranged along the length direction of the pipe conveying frame. The pusher assembly includes a push rod and a push rod driving mechanism. A follower pipe head is rotatably arranged on the push rod, and a ring table is arranged on the follower pipe head. The push rod driving mechanism includes a driving wheel, a driven wheel, a synchronous belt and a push rod driving motor, and the push rod driving motor is connected to the driving wheel through a clutch. The push rod of the present invention can push the pipe to be loaded, the through-rod can support the pipe, and the pipe can maintain the insertion fit with the push rod when the pipe is discharged. The push rod is passively pushed back from the pipe, which reduces or even avoids the jumping, noise and the throwing out of the cutting fluid in the pipe during the processing and discharge of the pipe, thereby ensuring the tooth rolling quality of the pipe.

The invention provides a method for reducing the transverse same-plate difference of a silicon steel product. The method comprises the following steps that S1, the original roller convexity of a cold-rolled silicon steel rolling mill is increased; s2, upper and lower middle rollers of the cold-rolled silicon steel rolling mill are moved, and the axial movement positions of the upper and lower middle rollers are determined according to the width of the strip steel; s3, adjusting the bending roller of the cold-rolled silicon steel rolling mill according to the rolling reduction rate: increasing the forward bending extension amount of the bending roller of the cold-rolled silicon steel rolling mill; s4, the total reduction rate of the cold-rolled silicon steel rolling mill is increased; s5, the strip steel tension of the cold-rolled silicon steel rolling mill is increased; and S6, the same-plate difference of the cold-rolled strip steel is reduced, and meanwhile the plate shape is improved. According to the method, the transverse same-plate difference of the silicon steel cold-rolled strip steel can be reduced to 0.0048-0.0051, and the requirements of manufacturers of motors, transformers and the like on the transverse same-plate difference of silicon steel products are met.

The invention relates to the technical field of metal plastic processing, and provides an integrated digital twinning large-specification bar rolling dynamic deformation distribution optimization method which comprises the following steps: constructing a digital twinning model in a large-specification bar rolling process; equipment state data, material parameters and process parameters in the rolling process are collected in real time, and the digital twin model is synchronously updated; based on the digital twinborn model, predicting strain field distribution, temperature field distribution, material metallographic structure performance and potential defect risk of the rolled piece in the current pass; with the minimum total rolling energy consumption, the highest size precision and the optimal structure uniformity as multiple objectives, deformation distribution parameters of subsequent passes are dynamically distributed through a hybrid optimization algorithm; and the optimized deformation distribution parameters are issued to a rolling mill control system to be executed, and model parameters are corrected based on online detection data feedback. In this way, the problems that in traditional rolling, due to strong experience dependence and poor dynamic working condition adaptability, efficiency is low, and many defects exist are solved.

The invention discloses an anchor rod body continuous forming process and equipment. The anchor rod body continuous forming process comprises the steps that a base material is heated and subjected to perforation treatment, and a hollow pipe blank is obtained; primary annealing treatment is conducted on the hollow pipe blank, and primary straightening is conducted on the annealed hollow pipe blank; the hollow pipe blank subjected to primary straightening is subjected to acid pickling so as to remove oxide skin on the surface of the hollow pipe blank; a finishing mill is adopted for conducting multi-pass finish rolling forming on the hollow pipe blank obtained after acid pickling, and the rolled anchor rod is obtained; the rolled anchor rod is subjected to secondary annealing treatment, the annealed rolled anchor rod is subjected to secondary straightening, and the temperature of secondary annealing is lower than that of primary annealing; the rolled anchor rod subjected to secondary straightening is subjected to fixed-length cutting; and performing cold rib rolling and thread rolling processing on the rolled anchor rod subjected to fixed-length cutting. According to the embodiment, on the premise that energy consumption is controlled, cold-state precision forming is achieved, and good comprehensive mechanical performance is obtained.

The invention relates to the technical field of aluminum foil processing, in particular to a method for producing high-stability 3102 alloy air-conditioning foil in a short process, which comprises the following steps of: smelting, continuously casting and continuously rolling an aluminum alloy raw material to obtain a strip, directly trimming the strip, rolling the strip on a cold rolling unit, preparing a cold-rolled coil with the thickness of 0.15-0.2 mm after three-pass rolling, rolling the cold-rolled coil by an aluminum foil rolling mill, and rolling the cold-rolled coil by an aluminum foil rolling mill to obtain the high-stability 3102 alloy air-conditioning foil. The tensile strength of the aluminum foil finished product is 135-139 Mpa, the ductility is larger than or equal to 19%, and the cupping is larger than or equal to 5.9 mm. The aluminum foil finished product is suitable in tensile strength, small in fluctuation range, higher in ductility and cupping value, capable of better meeting the use requirements of air conditioner foil, capable of guaranteeing the product quality and meanwhile capable of improving the product quality. According to the method, the production process is greatly shortened, the production cost is reduced, and the production efficiency is improved.

The invention belongs to the technical field of aluminum alloy materials, and particularly discloses a preparation method of a cast-rolled 8021 alloy aluminum foil, an 8021 alloy blank with the thickness of 6-8 mm is produced through cast rolling, the blank is subjected to direct homogenizing annealing under the condition of not cooling, is rolled through a cold rolling production process, and then is subjected to edge cutting, secondary intermediate annealing and foil rolling to be subjected to multi-pass rolling to obtain the finished product with the thickness. Compared with a traditional direct-cooling cast ingot hot rolling process, multiple links such as hot-rolled plate ingot casting, ingot blank sawing and face milling, uniform annealing and large-machining-amount hot roughing mill cogging rolling are omitted, energy is saved, consumption is reduced, carbon dioxide emission is reduced, the performance of a finished product is equal to or even superior to that of a hot-rolled product, and the use requirements of customers are met.

The invention relates to the technical field of grinding equipment, in particular to an aluminum foil mill roller grinding device which comprises a rack, a centering clamping assembly and a grinding assembly, the centering clamping assembly is arranged on the rack and used for clamping a roller and enabling the roller to rotate around the axis of the roller, and the grinding assembly comprises a shell, a grinding disc, a supporting column and a damping ring. The shell is slidably arranged on the rack, the grinding disc is rotatably arranged on the inner side of the shell, the axis of the grinding disc is horizontal, and the grinding disc can rotate around the axis of the grinding disc. The grinding device is provided with the supporting column and the grinding block, the grinding block is hinged to the periphery of the supporting column, and the grinding block is configured to be capable of rotating so that the grinding face of the grinding block can always keep linear contact with the peripheral face of the roller; therefore, the grinding block is not in linear contact with the roller due to different abrasion losses of the two ends of the grinding block at the grinding contact position of the grinding block and the roller, the grinding quality is guaranteed, and meanwhile the grinding efficiency is improved.

The invention provides a production method of an invar alloy 4J36 hot-rolled coil, belongs to the technical field of invar alloy 4J36 hot rolling, and solves the problem that the invar alloy 4J36 hot-rolled coil needs to be efficiently produced. The plate blank is preheated and then heated after being ground, and the heated plate blank is subjected to high-pressure water descaling; and the descaled plate blank is rolled into an intermediate blank through seven-pass rough rolling, the intermediate blank is rolled into a black coil through five-pass steckel mill finish rolling, and the black coil is rolled into an invar alloy 4J36 hot-rolled black coil finished product. The method comprises the steps of slab component control, slab preheating and heating, rough rolling to obtain an intermediate slab, steekle mill rolling, coiling and the like, and surface oxidation generated in the heating process is reduced by adjusting the heating process; and through rolling of the steekle mill, dynamic recrystallization is fully carried out, the surface quality of the produced invar alloy 4J36 hot-rolled coil meets the product requirement, and the yield and the production efficiency are both remarkably improved.

The invention relates to the technical field of electrical variable measurement, in particular to a rolling mill speed reducer monitoring and diagnosing system based on multi-source information fusion, which comprises an electrical parameter signal acquisition module for acquiring continuous readings of three-phase voltage and three-phase current of a rolling mill driving motor and synchronizing the readings. According to the method, the three-phase voltage and current data of the rolling mill driving motor are synchronously acquired, and the amplitude and phase are calibrated, so that a more accurate calibration electrical measurement set is obtained, and error propagation in a signal acquisition stage is effectively avoided; using the calibrated electrical data to directly calculate instantaneous input electric power, deducting motor loss to obtain an accurate motor shaft power sequence, and then using a Fourier transform method to extract key harmonic characteristics in a shaft power spectrum; and meanwhile, band-pass filtering and Hilbert transform analysis are carried out on the motor stator current, so that a clearer and more recognizable spectrum kurtosis value is obtained, and the judgment capability of current impact and periodic characteristics is enhanced.

The invention discloses a method for preparing a copper-aluminum layered composite board by introducing laser into an intermediate layer, which comprises the following steps: introducing laser into the intermediate layer (Al-Cu-Mg-Si-Zr-Sc series alloy), so that on one hand, copper and aluminum to be compounded are in a heating state to be subjected to rolling compounding by utilizing the heat conduction effect of the heated intermediate layer; the rolling reduction rate and the rolling mill capacity requirement are obviously reduced; and on the other hand, the added middle layer has excellent obdurability, so that the cooperative deformation capacity between the to-be-compounded dissimilar materials can be improved, and the interface bonding performance of the composite material is improved. And a mode of'introducing laser into the middle layer and carrying out short-time online annealing treatment 'is adopted to replace'large down pressure and long-time diffusion annealing' adopted by a traditional copper-aluminum composite material, so that the processing and forming efficiency of the copper / aluminum composite material is remarkably improved, and the method has the characteristic of short process.

The invention provides a hot-rolled strip steel tracking control method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining a strip steel tail initial position, a strip steel operation speed, a strip steel entering moment and a prediction compensation parameter, and obtaining a current passing moment to determine tail tracking information when a tail passing signal is received; determining the current passing moment and the tail tracking information as current tail tracking information, determining the steel throwing moment and the actual strip steel tail position in response to a steel throwing completion signal, and determining the predicted strip steel tail position according to the current tail tracking information, the steel throwing moment, the prediction compensation parameter and the strip steel running speed; determining a position difference based on the actual strip steel tail position and the predicted strip steel tail position, and updating the predicted compensation parameter according to the position difference; according to the method, dependence on a detector is reduced through multi-parameter comprehensive calculation, it is ensured that the correction effect is more accurate before the strip steel reaches the rolling mill by circularly updating the prediction compensation parameters, and prediction accuracy and control stability are gradually improved.

The invention discloses an efficient aluminum plate cold-rolling mill oil injection mechanism, and relates to the technical field of aluminum plate cold-rolling mill oil injection, the efficient aluminum plate cold-rolling mill oil injection mechanism comprises a machining table, a transmission roller is fixedly mounted on the inner wall of the machining table, a motor is fixedly mounted on the outer wall of the machining table, and a pressing roller is fixedly mounted at the output end of the motor; the anti-deviation device is arranged on the inner wall of the machining table and comprises a lubricating box, a spraying opening, a supporting frame, a linear motor, a sliding plate, a sensor, a servo motor, a conveying wheel, a push plate, a guide plate, a fixing frame, a trapezoidal block and a deburring rod. The servo motor moves in the direction close to the middle of the conveying roller to drive the conveying wheel to move in the direction close to the middle of the conveying roller, the conveying wheel moves in the direction close to the middle of the conveying roller to be matched with the conveying belt to correct the aluminum plate, and the situation that the aluminum plate deviates during oil injection, consequently, lubricating oil cannot effectively cover the aluminum plate, and follow-up pressing roller rolling is affected is prevented.

The invention discloses a strip composite device and a strip composite rolling system, relates to the technical field of strip rolling, and aims to solve the problems of complex flow and low production efficiency when a low-roller-number rolling mill is used for pre-compounding. The strip compounding device comprises a box body, a current compounding roller system, a power supply assembly and a pressing assembly, the current composite roller system is arranged on the box body and comprises an upper roller group and a lower roller group which are oppositely arranged; the upper roller group comprises a plurality of upper conductive rollers and upper insulating rollers which are arranged in parallel and alternately; the lower roller group comprises a plurality of parallel and alternately arranged lower conductive rollers and lower insulating rollers, and the upper conductive rollers and the lower conductive rollers are arranged in a staggered manner in the advancing direction of the to-be-compounded strip; the power supply assembly is arranged in the box body, the power supply assembly is electrically connected with the upper conductive roller and the lower conductive roller, and the power supply assembly, the upper conductive roller, the lower conductive roller and the strip pressed between the upper roller set and the lower roller set form a conductive loop; the pressing-down assembly is arranged on the box body. The strip composite rolling system comprises an uncoiler, a strip composite device and a twenty-high roll mill.

The invention provides a cold rolling mill roller micro displacement real-time monitoring and dynamic compensation control early warning method, which relates to the technical field of monitoring control, and comprises the following steps: monitoring roller temperature field distribution through infrared thermal imaging, establishing a mapping relation between displacement and temperature gradient, calculating thermal deformation and compensating displacement drift; constructing a rolling mill equipment domain knowledge graph and a diagnosis rule base, and performing fault diagnosis by utilizing graph embedding learning; and generating a compensation optimization strategy and establishing fuzzy correlation mapping to calculate an optimal parameter. According to the method, accurate monitoring and compensation of the micro displacement of the roller are achieved, and the equipment fault early warning capacity and the rolling precision are improved.

The invention belongs to the technical field of aluminum processing, and particularly discloses a method for producing a 1235 alloy cable aluminum foil by using a continuous casting and rolling blank, which comprises the following steps of: rolling the blank by a three-stand continuous rolling mill without cooling and surface milling, performing cold rolling, trimming and intermediate annealing, and performing multi-pass rolling by an aluminum foil rolling mill until the thickness of a finished product is reached, thereby obtaining the 1235 alloy cable aluminum foil. The processing flow is shortened, the metal manufacturing time is shortened, the energy consumption is reduced, after the aluminum foil finished product produced by the continuous casting and rolling blank is annealed, the mechanical property can be stably controlled within the tensile strength of 70-90 MPa, the performance of the finished product is more stable than that of a material produced by a cast rolling method, and the grain structure of the finished product is finer and more uniform than that of the material produced by the cast rolling method.

The invention relates to the technical field of rolling technology and equipment detection, in particular to a method, a system and equipment for detecting deviation of a roll gap of a rolling mill, and the method comprises the steps: constructing a vibration detection center line parallel to a roll axis of a working roll according to a to-be-processed copper material, and according to the vibration detection center line, roller vibration characteristics are acquired by taking each working roller as a unit, a vibration characteristic matrix is generated according to the machining time of the corresponding working roller, and vibration deviation comparison is performed on the vibration characteristic matrix corresponding to each working roller by establishing a reference vibration deviation model, so that a roller gap deviation detection result is obtained. The problem that weak vibration changes under high-speed and high-load working conditions are difficult to capture in roll gap deviation is effectively solved, a reference vibration deviation model is established through dynamic monitoring and analysis based on vibration signals, efficient and accurate roll gap deviation detection is achieved, and the stability of the production process is guaranteed.

The invention relates to the technical field of composite material processing, in particular to a ply rolling high-temperature plastic flow control method and processing equipment for a nickel steel composite plate, and the processing equipment comprises a ply rolling chamber, a hot rolling mill assembly, an adjusting assembly and a pressure maintaining assembly. An adjusting assembly capable of adjusting the contact area of a plate and the hot rolling mill is arranged on the front portion of the hot rolling mill, line contact between the plate and the hot rolling mill is adjusted into face contact, heating efficiency is improved, and composite production efficiency is guaranteed. Therefore, opposite metal is extruded into a fresh surface formed by interface rubbing through plastic flow, staggered interfaces are further formed, the interface bonding strength is improved, meanwhile, internal stress around extrusion points can be counteracted mutually, the nickel plate and the steel plate cannot generate excessive relative movement, and the service life of the nickel plate and the steel plate is prolonged. And the interface bonding quality of the composite board is ensured.

The invention relates to the technical field of rolling mills, in particular to alloy plate rolling forming equipment which comprises a rack, two sets of rolling structures which are symmetrically arranged up and down are rotatably installed on the rack, each rolling structure comprises two adjusting discs arranged in the rack, and connecting shafts are rotatably arranged on the sides, away from each other, of the two adjusting discs in a penetrating mode; the end, away from the adjusting disc, of the connecting shaft is rotationally connected with the rack, the middle section of the connecting shaft is fixedly sleeved with a center gear, and when the roller contour measuring instrument detects that the roller used for rolling the alloy plate is excessively abraded, a user can pull out the pin shaft used for fixing the adjusting disc and then rotate the adjusting disc by 180 degrees, so that the roller contour measuring instrument can be used for rolling the alloy plate. By means of the structure, the position of the excessively-abraded roller and the position of another standby roller on the adjusting disc are changed, then the adjusting disc is fixed through the pin shaft again, the alloy plate can be rolled immediately, the rollers do not need to be replaced immediately, a large amount of time is saved, and therefore the rolling efficiency of the alloy plate is greatly improved.

The invention relates to the technical field of copper plate strip machining, and provides an advanced copper plate strip continuous rolling technology which comprises the steps that S1, a copper ingot with the copper content of 99.9% or above is selected, and raw materials are obtained through saw cutting and surface polishing; s2, the treated copper ingot is heated in a heating furnace, and the internal temperature uniformity of the copper ingot is guaranteed; s3, a roughing mill is used for rolling the heated copper ingot, and rough rolling is conducted for 2-3 passes; s4, the copper strip subjected to rough rolling enters an intermediate rolling mill, and intermediate rolling passes are 3-5 times; s5, the copper plate strip subjected to intermediate rolling enters a finishing mill, and the finishing pass is 3-4 times; and S6, on-line cooling is conducted, specifically, the copper plate strip obtained after finish rolling enters an on-line cooling system immediately. Through early-stage accurate saw cutting and polishing treatment, the initial quality of the copper plate strip is guaranteed, smooth proceeding of subsequent rolling procedures is guaranteed, the multi-pass continuous rolling process of rough rolling, intermediate rolling and finish rolling is combined with online cooling, and through strict parameter control, the production efficiency is improved, the energy consumption is effectively reduced, and the production cost is reduced.

The invention belongs to the technical field of aluminum alloy production, and particularly discloses a low-carbon environment-friendly method for producing a high-strength 8006 alloy container foil, aluminum alloy component proportion and melt treatment and cold rolling production processes are optimized, a large amount of regenerated aluminum waste can be digested, energy consumption is lower than that of a primary aluminum ingot by 50% or above, a blank with the thickness of 1.5 mm is produced through triple continuous rolling, and the production cost is low. The container foil finished product is rolled through 4-5 passes of cold foil rolling, compared with a conventional scheme, the rolling passes are reduced by 2-3, the machining cost is saved by 500 yuan / ton, the blank thickness can be reduced through the production scheme, the cold foil rolling production passes are reduced, high-temperature intermediate annealing is not needed in the cold rolling production process, about 280 kw.h annealing power consumption is saved for each ton, low-carbon short-process production is achieved, and the production cost is reduced. The tensile strength of the finished product is larger than or equal to 150 MPa, the ductility is larger than or equal to 18%, the tensile strength is about 20 MPa higher than that of container foil produced through a conventional scheme, deformation is not likely to happen after punching forming, and the terminal use effect is better.

The invention belongs to the technical field of fabric dyeing and finishing, and particularly relates to padding equipment for dyeing and finishing polyester fabric, which comprises a workbench, side edge plates are symmetrically arranged on the workbench, the two side edge plates are jointly connected with a rotating shaft, one end of the rotating shaft is provided with a rotating square groove, and the rotating square groove is connected with the output end of a rotating motor. The rotating motor is provided with an inserting-stopping assembling and disassembling assembly. A rotating cam is mounted at the other end of the rotating shaft, and a multi-cycle position correcting mechanism is connected to the rotating cam; the rotating shaft is further provided with a position adjusting and distance locking device. The position adjusting distance locking device comprises a distance adjusting square groove formed in the side edge plate in a penetrating mode. According to the device, fabric adhering to the driving roller is scraped through the movable scraping unit, the situation that the fabric is too dry due to the fact that the fabric is squeezed by two rollers all the time is avoided, and therefore the situation that workers need to manually remove the adhered fabric is avoided, the risk when the workers operate equipment is reduced, the phenomenon that the workers are injured by the rolling mill is avoided, and the working efficiency is improved. And therefore, the safety of the equipment during use is improved.

The invention relates to the technical field of forging equipment, and provides a conical roller split mechanism, a ring rolling mill and a ring rolling mill assembly method.The conical roller split mechanism comprises a rack, a rotating shaft, connecting rods, conical rollers, hydraulic nuts and fasteners, and the rotating shaft is rotationally connected with the rack; the connecting rod penetrates through the rotating shaft; the conical roller and the hydraulic nut are oppositely arranged at the two ends of the connecting rod and are connected in a threaded screwing mode. The fastener is arranged on the hydraulic nut and used for limiting the stroke of the hydraulic nut. The conical roller and the hydraulic nut are arranged at the two ends of the connecting rod, so that the conical roller can be tensioned through the connecting rod by pressurizing the hydraulic nut, and the conical roller and the rotating shaft are fixed; meanwhile, the connecting rod is connected with the conical roller in a screwed mode through threads, the hydraulic nut serves as a pressurizing piece, the conical roller can be loosened after pressure relief, and therefore the conical roller can be disassembled conveniently, and the structure is simple; and the hydraulic nut of the structure is located on the outer side, overhauling and maintenance can be continued conveniently, and application convenience can be improved.

The embodiment of the invention provides a method for reducing residual oil and residual iron on the surface of acid-rolled efficient non-oriented silicon steel, and relates to the field of silicon steel production. The method for reducing residual oil and residual iron on the surface of the acid-rolled efficient non-oriented silicon steel comprises the following steps: carrying out hot rolling on silicon steel; carrying out normalizing pickling on the silicon steel; pickling and continuous rolling are conducted on the silicon steel; the unit tension between the first cold-rolling mill and the second cold-rolling mill is 140N / mm < 2 >-160N / mm < 2 >, the unit tension between the second cold-rolling mill and the third cold-rolling mill is 150N / mm < 2 >-170N / mm < 2 >, the unit tension between the third cold-rolling mill and the fourth cold-rolling mill is 170N / mm < 2 >-190N / mm < 2 >, the unit tension between the fourth cold-rolling mill and the fifth cold-rolling mill is 180N / mm < 2 >-200N / mm < 2 >, and the coiling tension is 40N / mm < 2 >-50N / mm < 2 >. And the generation amount of the iron powder is inhibited.

The invention discloses a high-ductility cold-rolled ribbed bar rolling device, and relates to the technical field of ribbed bar production, the high-ductility cold-rolled ribbed bar rolling device comprises a three-roller cold-rolling mill, a conveyor and a cleaning assembly, the cleaning assembly comprises a dust collection module, a driving module and a self-adaptive cleaning module, the self-adaptive cleaning module comprises a first base, the first base is connected with a rotating cylinder through a bearing, and the rotating cylinder is connected with the conveyor through a bearing; three self-adaptive plates which are evenly distributed on the circumference are arranged in the rotating cylinder, the self-adaptive plates are rotationally connected with four connecting rods through pin shafts, every two connecting rods are opposite, and the other ends of the four connecting rods are rotationally connected with the inner side wall of the rotating cylinder through pin shafts. Through the cleaning assembly, the brush roller does not need to be manually and frequently cleaned and replaced, shutdown operation is not needed either, the production efficiency is improved, the brush roller is kept in a clean state all the time to clean the surface of the reinforcing steel bar, and the cleaning effect of the brush roller on the reinforcing steel bar is improved.

The invention discloses a pinch roll pneumatic control system and process in a high-speed wire rod rolling process. A high-speed wire rod sequentially enters a reducing mill unit, a water tank, a pinch roll and a silking machine along a rolling center line; a pinch roll cylinder is arranged on the pinch roll and is used for adjusting the clamping force and the size of a roll gap; and a connecting pipeline of the pinch roll cylinder is provided with a first stop valve, an air source triple piece, a second stop valve, a pneumatic proportioning valve, an electromagnetic valve and a throttle valve which are controlled by the PLC. The pinch roll can be suitable for most high-speed wire rod production lines, the clamping force of the pinch roll can be flexibly applied, the product requirements of different precisions are met, the roll gap in the pinch roll is easy and convenient to adjust, and the process combination application is flexible. The size cleaning performance of a final product is improved, the yield is improved, the accident post-treatment time in the area is shortened, the fault treatment time in the production process is shortened, the operation rate of a rolling mill is improved, and the income is increased.

The invention relates to the technical field of metal rolling automation, and discloses a computer intelligent control system of a rolling mill, which comprises a rolling mill production line, and the rolling mill production line further comprises a tensiometer, a pressure sensor and a displacement sensor; and the computer intelligent control system is electrically connected with an executing mechanism and a sensor of the rolling mill production line and comprises a tension control module, an automatic thickness control module and an online model self-adaptive module. The method comprises the following steps: controlling strip steel tension through a tension control module; the strip steel outlet thickness is adjusted through the thickness automatic control module; and model parameters such as rolling mill rigidity and friction compensation are identified in real time in the rolling process through an online model self-adaption module, and continuous optimization of the control model is achieved. By introducing the online model adaptive module, real-time online correction of the core physical model of the control system is realized, and the problem of model mismatch caused by equipment wear and working condition change is solved.

The invention discloses a cold-rolled strip steel rolling control method and related equipment, and relates to the technical field of strip steel rolling, and the method comprises the steps that a first deviation rectification value and a second deviation rectification value in the strip steel running process are obtained in real time; based on the first deviation correction value, the rolling speed of the rolling mill is adjusted to a preset speed; after the rolling speed is adjusted, the tension parameter and the roller inclination parameter of the target rack are dynamically adjusted based on the second deviation correction value; and the tension parameter and the roller inclination parameter are recovered to initial set values so as to maintain the continuous stability of the rolling process. According to the method, the deviation correction values in front of the pickling section outlet and the rolling mill inlet are obtained in real time, the rolling speed and the shearing speed are dynamically adjusted before the strip steel enters the rolling mill, the tension parameters of the rack and the inclination direction of the rollers are accurately adjusted in combination with feedback of the second deviation correction value, and the deviation trend caused by camber defects is effectively restrained; and the rolling continuity and stability are improved.

The invention discloses a hot continuous rolling unit thickness detection and optimization method based on double closed-loop feedback control. In order to improve the problems of thickness control precision, response speed, a multi-rolling-mill cooperative operation mechanism and the like of an existing hot continuous rolling process, the comprehensive regulation and control method combining driving motor double-closed-loop speed regulation control, hydraulic cylinder pressing closed-loop control and thickness delay correction is provided. A multi-rolling-mill interconnection control system is constructed by coupling the rolling mills, the loops, the driving motors and the hydraulic cylinders, and high-precision dynamic adjustment of the tapping thickness is achieved. A double-closed-loop feedback control method is adopted, the rotating speed of a driving motor is adjusted by combining a rotating speed loop and a current loop, rolling force is dynamically adjusted through a hydraulic cylinder, and a thickness delay correction system is introduced to compensate thickness transmission errors between racks. According to the method, the thickness response time and overshoot of the hot rolling mill can be reduced, the thickness control precision and the system stability are improved, and the method has important guiding significance and engineering application value for high-precision hot continuous rolling production.

The invention discloses a high-precision same-turning roller adjusting mechanism and a pre-stressed rolling mill. The two racks are symmetrically arranged; bearing seat adjusting devices are installed on the portions, corresponding to the two sides of the upper bearing seat, of each rack, and two second-stage worm and gear reduction gearboxes are arranged on the portions, corresponding to the upper bearing seat adjusting devices, of the top of each rack. A first-stage worm and gear reduction gearbox is arranged between the two second-stage worm and gear reduction gearboxes of each rack; worms of the two primary worm and gear reduction gearboxes are connected together through a connecting assembly and used for being connected with a driving device. The two axial sides of a worm wheel of each first-stage worm and gear reduction gearbox extend out to be coaxial with a worm of the corresponding second-stage worm and gear reduction gearbox. And a worm gear of each secondary worm and gear reduction gearbox is in transmission connection with the bearing seat adjusting device. Compared with a straight gear pair, a helical gear pair and the like, the two stages of worm and gear pair transmission mechanisms are arranged, so that the speed ratio is greatly increased, and the adjusting precision of the roller is improved.