397results about How to "Improve production stability" patented technology

The invention relates to a hot-rolled wire rod for a 2100MPa-grade bridge cable and a manufacturing method of the hot-rolled wire rod, after the hot-rolled wire rod is formed by rolling high Si-Mn chemical components and spinning at the spinning temperature of more than or equal to 955 DEG C, the wire rod is cooled at the cooling speed of more than or equal to 36 DEG C / s through online molten salt sorbite regulation and control treatment, enters a sorbite phase region from an austenite state, promotes sorbite phase transformation and is subjected to isothermal treatment to remove stress; and finally, roller way slow cooling is conducted, the hot-rolled wire rod with the microscopic structure comprising tempered sorbite with the volume percentage larger than or equal to 95% and the balance being a mixed structure composed of ferrite and fused sorbite is prepared, deteriorated structures such as network carbide and martensite can be effectively controlled, wire rod structure regulation and control, strength and plasticity matching and stable production are achieved, and the effects that the tensile strength is 1500-1540 MPa, the tensile strength is high, and the tensile strength is high can be achieved. The composite material is used in the application fields of manufacturing of 2100MPa-grade ultrahigh-strength bridge cables and the like, and is beneficial to reduction of the risk of wire breakage.

The invention discloses industrial-grade mixed oil produced by utilizing kitchen waste oil and a preparation method of the industrial-grade mixed oil, and belongs to the technical field of recycling of the kitchen waste oil. The invention relates to industrial-grade mixed oil produced by using kitchen waste oil and a preparation method thereof, and the preparation method comprises the following steps: firstly collecting kitchen waste containing the waste oil, and storing the kitchen waste in a container through special equipment; carrying out screen solid-liquid separation, cleaning grease on the surface of the solid waste, and then carrying out precipitation separation; then carrying out centrifugal separation, chemical cleaning, water washing, acid treatment, dehydration, degumming and metal ion removal on the separated grease and oil-containing liquid; carrying out ultrasonic-assisted multistage ester exchange after enzymolysis optimization, carrying out membrane separation on glycerol and fatty acid methyl ester, and carrying out reduced pressure distillation to obtain a high-purity fraction; carrying out adsorption refining, plasma treatment and supercritical fluid extraction; finally, nano particles are added and blended with additives, efficient recycling of the kitchen waste oil is achieved, and then high-purity industrial-grade mixed oil is prepared.

The invention belongs to the technical field of industrial control, and discloses a bottleneck prediction optimization method, device and equipment for a battery positive electrode material production line, and the method comprises the steps: collecting the spatial data and time series data of the production line in real time; synchronizing the spatial data and the time sequence data to a digital twinborn model, wherein the digital twinborn model is pre-constructed based on the production line; converting the spatial data and the time sequence data into spatio-temporal data; inputting the spatio-temporal data into a pre-trained spatio-temporal diagram convolutional network to obtain a prediction result of the bottleneck of the production line; when it is judged that a production line bottleneck exists according to the prediction result, based on the prediction result, an optimization strategy is generated according to a priority rule, the optimization strategy is operated on the digital twin model in a simulation mode, a simulation result is obtained, and if it is judged that the simulation result meets the expectation, the production line is controlled according to the optimization strategy. Efficient and stable operation of a production line can be ensured, and production efficiency and stability are improved.

The invention discloses a multi-parameter joint optimization method for an emitter mold, and relates to the field of emitter mold related technologies, and the method comprises the steps: obtaining an emitter mold production instruction; carrying out multi-node mold production control joint decision making according to an emitter mold design scheme, and establishing a mold production control strategy first space; a mold production control strategy second space is obtained; performing variation expansion on the mold production control strategy second space, and establishing a mold production control strategy third space; a mold production fitness evaluation module is introduced to carry out mold production fitness maximization optimization, and a mold production control optimization result is generated; and performing irrigation emitter mold production control according to a mold production control optimization result. The technical problems that in the prior art, parameter optimization is insufficient, the production process is unstable and loss is difficult to predict in the irrigation emitter mold production process are solved, and the technical effects that production stability is improved, loss is reduced, and production efficiency and mold quality are improved are achieved.

The invention relates to the technical field of aluminum processing, and particularly provides a crystallizer monitoring system and method for aluminum processing, and the system comprises an image obtaining module which obtains an image of molten aluminum in a crystallizer in real time, and transmits the image information to a molten aluminum state monitoring module; the molten aluminum state monitoring module is used for analyzing the image information in real time, filtering interference through feature extraction and judging whether the state of the internal molten aluminum is abnormal or not through an abnormality judgment model; the temperature monitoring module is used for monitoring the temperature distribution conditions of the molten aluminum crystals and the cooling system in real time and judging whether the temperatures of the molten aluminum crystals and the cooling system are abnormal or not; and the automatic control module is used for remotely receiving molten aluminum state monitoring and temperature monitoring results, analyzing the probability and risk level of accidents caused by the monitoring results by using an event tree model, and remotely controlling equipment start and stop and operation parameter adjustment according to preset program logic. The technical problem that in the prior art, monitoring of a crystallizer and cooling water in the deep well casting process cannot be achieved is solved.

The utility model discloses a pressure injection molding mold, which is characterized in that a fixed mold comprises a fixed mold seat, a fixed mold plate fixed on the fixed mold seat and a fixed mold core fixedly arranged on the fixed mold plate, and a concave fixed mold cavity is formed on the fixed mold core; the movable mold comprises a movable mold base, a movable mold plate fixed on the movable mold base, and a movable mold core fixed on the movable mold plate; the movable mold core is provided with a movable mold base and a movable mold plate, the ejector plate can slide in the mold closing direction and is installed between the movable mold base and the movable mold plate, the ejector rod is fixedly installed on the ejector plate, the ejector reset spring provides elastic retaining force towards the movable mold base direction for the ejector plate, and the oil cylinder is fixedly arranged on the movable mold plate. The oil cylinder can drive the ejector plate to move towards the movable mold plate, so that the ejector rod ejects a bearing pad blank to be subjected to pressure injection of a composite wear-resistant layer in the movable mold cavity towards the fixed mold, and an ejector roller on an injection molding machine prevents the ejector plate from moving along with the movable mold base during mold opening, so that discharging is achieved. And stable development and timeliness of the project are ensured.

The invention belongs to the technical field of stamping dies, and particularly discloses a die for trimming and punching automobile chassis metal parts, which comprises an upper stamping die fixed at the moving end of a stamping machine and a lower stamping die fixed on the stamping machine, and a stamping die cavity for forming the automobile chassis metal parts is formed between the upper stamping die and the lower stamping die; the upper stamping die comprises multiple stages of stamping heads so that a material belt passing through a stamping machine can be machined into an automobile chassis metal part step by step. The upper stamping die further comprises a temperature control structure used for conveying refrigerants, and the temperature control structure is used for being matched with the multi-stage stamping head to adjust the first temperature value of the stamping die cavity to be within a preset temperature interval. A temperature control runner used for conveying a refrigerant is formed in the lower stamping die; the temperature control runner is communicated with the temperature control structure so as to adjust a second temperature value of the automobile chassis metal part to be within a preset temperature interval; the temperature control structure has the advantages that heat balance of the die is achieved, material resilience is reduced, finished product precision is improved, die service life is prolonged, and production stability is improved.

The utility model relates to the technical field of mechanical arm grabbing devices, and discloses a mechanical arm feeding grabbing device based on visual positioning, which comprises a mechanical arm main body, a pneumatic bearing clamp is arranged at the grabbing hand end of the mechanical arm main body, a first CCD (Charge Coupled Device) camera is arranged on the mechanical arm main body, and a material piece to be grabbed is arranged on the side surface of the mechanical arm main body. According to the mechanical arm, the mechanical arm body is matched with the pneumatic bearing clamp, a material piece to be grabbed can be grabbed, in the grabbing process, the first CCD camera is used for photographing, a visual software processing algorithm is used, the position of the material piece to be grabbed is judged, grabbing is accurate, and then the second CCD camera conducts secondary position positioning on the grabbed material piece to be grabbed. The material position deviation coordinate information caused in the grabbing process is calculated and corrected, the grabbing precision is high, the device achieves the secondary visual positioning capacity, the grabbing precision is relatively high, and the production stability and efficiency are improved.

The invention discloses a plunger gas lift well group peak shifting well opening and closing scheduling optimization method. The method comprises the following steps: acquiring plunger gas lift well group field data; a plunger gas lift well group production operation scheduling collaborative optimization mixed integer linear programming model described based on discrete time, namely an MI LP model; a plunger gas lift well group production operation scheduling collaborative optimization M ILP model solving method based on a genetic algorithm; obtaining a plunger gas lift well group peak shifting scheduling feasibility scheme under different objective functions; and evaluating and optimizing the effect of the plunger gas lift well group peak shifting scheduling feasibility scheme. According to the method, an automatic optimization method is adopted, the intensity of manual decision making and possible errors are reduced, and the scheduling efficiency and accuracy are improved; the genetic algorithm is adopted for optimization solution, an approximate optimal solution can be obtained in a short time, and the method is suitable for the scheduling problem of large-scale well groups.

The invention relates to the technical field of plastic product processing, and discloses a plastic product continuous feeding method which comprises the following steps: step 1, intelligent material level monitoring: mounting a high-sensitivity material level sensor in a hopper, monitoring material level change in real time, and ensuring timely material supplement; and 2, multi-channel feeding design is conducted, specifically, a plurality of feeding channels are designed, multiple materials are allowed to be fed at the same time, and feeding interruption caused by blockage of a single channel is avoided. According to the continuous feeding method for the plastic products, through intelligent material level monitoring and multi-channel feeding design, the system can monitor the material level in real time and supplement materials in time, meanwhile, due to the multi-channel design, when a certain channel is blocked, the channel is automatically switched to a standby channel, and therefore production stagnation caused by feeding interruption is avoided, and the production efficiency is improved. By means of the continuous and stable feeding mode, the production efficiency and stability of the injection molding process are improved, and production delay and cost loss caused by the feeding problem are reduced.

The invention provides a multi-overlay alignment method for a sensing chip projection photoetching machine, which belongs to the field of photoetching and comprises a primary overlay alignment algorithm and a secondary overlay alignment algorithm. The primary overlay alignment algorithm calculates the position coordinates of the diaphragm in the image and the deviation values in the X direction and the Y direction by recognizing the outer contour of the diaphragm, and is used for determining the position of the diaphragm through primary exposure. And the secondary overlay alignment algorithm is used for accurately calculating the center coordinate of the diaphragm and the deviation values of the X direction, the Y direction and the rotation angle (R direction) by identifying the left and right positioning marks in the pattern aiming at the diaphragm with a layer of pattern. Through the deviation values, the air bearing table, the workpiece table and the mask table of the photoetching machine can be compensated in real time, so that accurate exposure of the diaphragm is ensured. According to the alignment method disclosed by the invention, the alignment precision of each layer of pattern in the manufacturing process of the sensing chip is remarkably improved, and defects caused by alignment errors are reduced.

The present invention provides a method for increasing the fermentation yield of L-lysine, and belongs to the field of L-amino acid fermentation. The method for increasing the fermentation yield of L-lysine is composed of the following steps: preparing a shake flask culture solution, preparing a seed solution, and fermenting and culturing. The method for increasing the fermentation yield of L-lysine of the present invention can effectively improve the tolerance of the bacterial body to high osmotic pressure, improve the acid production performance in the late fermentation period, and improve the single-tank yield and sugar-acid conversion rate of L-lysine; at the same time, further reduce the adverse effects of osmotic pressure regulators on the fermentation stability of L-lysine, and effectively avoid the problem of excessive addition of osmotic pressure regulators inhibiting bacterial metabolism, extending the fermentation production cycle, and reducing fermentation efficiency.

According to the full-automatic tissue culture bottle filling assembly line and the control method thereof, the assembly line covers the feeding station, the bottle feeding station, the bottle arranging station, the bottle reversing station, the degreasing station, the cleaning station, the filling station, the cap screwing station, the discharging station, the transferring station, the sterilizing station and the like, and the tissue culture bottle automatic treatment process is achieved through cooperative operation of a mechanical arm and a conveying line. The bottle overturning station accurately detects and processes overturned bottles through an image recognition algorithm, the visual detection mechanism comprises the steps of image collection, preprocessing and feature extraction and matching, camera parameters are optimized according to the conveying speed and light intensity, the image quality is improved through a composite filtering and correction algorithm, and a multi-feature-group vector input model is extracted to judge the postures of the bottles. The control method orderly directs operation of each station, guarantees efficient and accurate treatment of the tissue culture bottles, improves production efficiency and product quality stability, is significant to automatic upgrading of the tissue culture industry, reduces labor cost, and meets large-scale production requirements.

The invention relates to the technical field of batteries, and discloses battery bipolar plate processing equipment which comprises a storage rack, a pressing mechanism and a positioning mechanism, and raw materials are wound on the storage rack; the pressing mechanism comprises a plurality of thinning assemblies and an embossing assembly, and the thinning assemblies and the embossing assembly are both provided with pressing gaps allowing the raw materials to penetrate through; the positioning mechanism is arranged on the side, close to the thinning assembly, of the embossing assembly. The positioning mechanism is arranged between the thinning assembly and the embossing assembly, so that the problem that plates deviate in the conveying process of existing rolling equipment is effectively solved; in the positioning mechanism, the pushing piece and the guide part can adjust and fix the position of the raw material, so that the raw material is ensured to be in an accurate position before entering the embossing assembly, and the offset phenomenon is avoided, thereby improving the processing precision and the production stability of the bipolar plate, ensuring that the runner embossing of each bipolar plate is consistent, and optimizing and improving the overall performance of the fuel cell.

The utility model relates to the technical field of chemical intermediate filtering, and discloses an anti-clogging chemical intermediate filtering device, which comprises a filter cartridge body, a filter screen fixing ring is fixedly arranged in the filter cartridge body, and attachments on the surface can be gradually contacted with an arc-shaped scraping plate through the rotation of a filter screen, so that the surface of the arc-shaped scraping plate is prevented from being clogged. When the material in the filter cartridge body is pressed, the material is uniformly drawn close to the discharge pipeline under the action of the arc-shaped scraper until the material covers the discharge pipeline, and pressure can be applied to the material in the filter cartridge body by starting the filter pressurizing device next time, so that residues covering the discharge pipeline can enter the discharge pipeline, and at the moment, the control valve is opened, and the material is discharged. And residues can be discharged into the impurity collecting box to be collected, the filter screen can be effectively cleaned through the arranged impurity scraping assembly, and blockage caused by too many attachments on the filter screen is avoided.

The invention discloses a slide block secondary core-pulling mechanism of an injection mold and a core-pulling method.The core-pulling mechanism comprises a main slide block seat, a delay bent pin, a forming insert, an inner slide block, a brace and two core-pulling inserts, a first slide way matched with the inner slide block is arranged in the main slide block seat, and a second slide way is arranged in the forming insert; one end of the brace is connected with the inner sliding block, and the other end of the brace is provided with two inclined guide grooves; the core-pulling insert is movably arranged in the second sliding way and is in sliding fit with the inclined guide groove, and an inverted buckle forming groove is formed in the end of the core-pulling insert. The main sliding block seat and the inner sliding block are singly driven by the delay dog-leg cam, the function of simultaneously releasing the inverted buckles in multiple directions can be realized, the driving force is simple and single, the core pulling mechanism runs smoothly, the overall structure is simple, the effect of releasing the inverted buckles of injection products is good, the investment and use cost of one-sided or multi-sided sliding blocks can be saved, the space occupation of the mold is reduced, and the production efficiency is improved. The production stability can be improved, and the loss maintenance cost is reduced.

The invention relates to the technical field of high polymer material processing, in particular to a supercritical thermoplastic elastomer foaming sheet and a preparation method thereof, and is characterized in that the supercritical thermoplastic elastomer foaming sheet is prepared from the following raw materials in parts by weight: 90-100 parts of thermoplastic polyurethane (TPU) and / or thermoplastic polyester elastomer (TPEE) and / or block polyether amide elastomer (PEBAX), 0.1-1 part of chain extender, 0.1-3 parts of nucleating agent and 0.1-0.5 part of antioxidant, 0.1 to 3.5 parts of an antistatic agent; by optimizing the material formula and the cooling and mold opening technology, the technical problems existing in the production process of the thermoplastic elastomer foamed sheet in the prior art are solved, and a high-performance and multifunctional novel material solution is provided for multiple fields of automobiles, sports equipment, medical equipment and the like.

The invention discloses a high-speed cycle production line for battery cell jet printing. The high-speed cycle production line comprises a feeding unit, a processing unit and a discharging unit, the feeding unit comprises a raw material bin, the processing unit comprises a circulating magnetic suspension conveying unit, and a cleaning unit, a jet printing unit, a pre-curing unit, a material throwing unit and a deep curing unit which are sequentially arranged from the upstream to the downstream of the circulating magnetic suspension conveying unit; according to the continuous treatment system, after feeding is completed through the feeding unit, multiple treatment procedures are automatically completed, finally, automatic discharging is achieved through the discharging unit, and the treatment units circularly convey materials in a magnetic suspension conveying mode through the circulating magnetic suspension conveying unit in the continuous treatment process; the instability of the battery cell caused by repeated carrying of the battery cell is greatly reduced, each working procedure is automatically processed, personnel participation and work are not needed, and the production efficiency and the stability are greatly improved.

The invention relates to the technical field of wax-imitated printing, in particular to a wax-imitated printing processing technology of a film-coated polyester fabric, the technology is realized by applying a processing device, the device comprises an operation table, and the top end of the operation table is fixedly connected with a fixed cover; and the conveying mechanism is arranged in the fixed cover. By means of the automatic feeding assembly, imitation wax liquid used for imitation wax printing can be automatically added, the amount of the imitation wax liquid needing to be printed can be injected before each time of pattern printing, then the imitation wax liquid can be evenly smeared to the pattern plate in the printing cover through the even smearing assembly, it is ensured that the imitation wax liquid is evenly distributed in the pattern plate, and the printing efficiency is improved. The printing quality is improved, the uniform smearing assembly can be helped to smear more uniformly, the amount of imitated wax liquid needed by printing patterns can be automatically added through the automatic feeding assembly after each time of printing is completed, continuous supply of the imitated wax liquid in the printing process is ensured, and the production efficiency and stability are improved.

The utility model provides an efficient activated carbon adsorption and desorption device, which relates to the technical field of air purification treatment and comprises a device box body, a hot air box body arranged on one side of the device box body, a partition plate a arranged in the device box body, a partition plate b arranged in the device box body, two pressure relief boxes arranged below the partition plate b, and a desorption component arranged in the device box body, the pressure relief assembly is arranged between the partition plate b and the pressure relief box and is used for relieving pressure in the device box body. According to the activated carbon adsorption and desorption device, through the arrangement of the desorption assembly, the downtime can be shortened, waste gas can be continuously treated, the overall efficiency of waste gas treatment is improved, through the arrangement of the pressure relief assembly, the stress on the equipment structure caused by too large pressure difference can be reduced, and the overall service life of the equipment is prolonged.

The invention discloses an aluminum oxide water taking station equipment operation monitoring control method which comprises the following steps: acquiring operation parameters of key positions of water taking station equipment in real time through a sensor network, performing primary processing, uploading processed data to a data analysis control module, performing deep analysis on the received data by the data analysis control module, and transmitting the analyzed data to a server; when the running state of the equipment is abnormal, alarm information is generated immediately, a user is notified through a user interaction interface, meanwhile, the data analysis control module generates a control instruction according to an analysis result and sends the control instruction to the control execution module, and the control execution module intelligently controls the water taking station equipment according to the received control instruction. And stable operation of equipment is ensured. According to the invention, comprehensive real-time monitoring, intelligent fault early warning and diagnosis and automatic optimization adjustment can be realized, the operation efficiency of equipment is improved, the service life of the equipment is prolonged, and the maintenance cost is reduced.

The invention discloses full-servo intelligent high-speed computer board cutting equipment which comprises a rack, a pressing beam lifting servo mechanism, a saw seat servo mechanism and a feeding clamp seat mechanism. The pressing beam lifting servo mechanism comprises a pressing beam lifting servo driving mechanism and a material pressing beam, the pressing beam lifting servo driving mechanism comprises a pressing beam lifting servo motor, and the pressing beam lifting servo motor drives the material pressing beam to move up and down; the saw seat servo mechanism comprises a saw seat plate, a saw seat servo motor, a main saw mechanism, an auxiliary saw mechanism and a main saw lifting servo mechanism, the saw seat servo motor drives the saw seat servo mechanism to move left and right, the main saw lifting servo mechanism comprises a main saw lifting servo motor, and the main saw lifting servo motor drives the main saw mechanism to lift; the feeding clamp seat mechanism comprises a servo clamp seat cross beam and a clamp seat servo motor, and the clamp seat servo motor drives the feeding clamp seat mechanism to move front and back; full-servo control design is achieved, and the efficiency, precision and production stability of computer board cutting equipment are improved.

The invention relates to the technical field of steelmaking automation, in particular to an intelligent control system and method for a high-purity molten steel smelting converter, and the system comprises a data collection module which is used for collecting operation parameters related to the converter during molten steel smelting, and the operation parameters comprise molten steel temperature, gas components, oxygen amount and blowing time; the curve generation module is used for determining a change curve of the corresponding operation parameters during molten steel smelting according to the obtained operation parameters, and the change curve comprises a change curve corresponding to the molten steel temperature, the gas composition, the oxygen amount and the blowing time; the component display module is used for analyzing and processing the change curve according to the identified change curve of the operating parameters, and determining the occurrence probability of the operating parameters and a target value corresponding to the occurrence probability when the purity of the molten steel meets the requirement; and the production efficiency and the stability in the molten steel smelting process are improved.

The invention belongs to the technical field of lithium batteries, and discloses a method for detecting metal foreign matters in slurry, which comprises the following specific steps: diluting positive or negative slurry by using a corresponding solvent, selecting a filter membrane with a proper pore size for first suction filtration, cleaning the filter membrane by using the solvent after the first suction filtration is finished, then performing second suction filtration on the cleaning solution, and leaving the filter membrane to be detected after the second suction filtration is finished; flatly laying a clean color developing filter membrane on a white background plate, dropwise adding an acid solution and an oxidizing solution in sequence, laying the filter membrane to be detected on the surface of the color developing filter membrane and infiltrating, dropwise adding a color developing agent after about 1 minute, indicating that the metal foreign matters exist if colored points appear on the surface of the filter membrane, and indicating that the number of the points is in positive correlation with the content of the metal foreign matters; and whether the slurry is qualified can be preliminarily judged according to the quantity. The method disclosed by the invention is simple to operate, less in time consumption and low in cost, can be used for detecting the slurry of the production line every shift, can quickly find abnormal samples and timely treat the abnormal samples, and improves the production efficiency and the production stability.

The invention relates to the technical field of angle steel welding equipment, in particular to an automatic angle steel welding device for an angle steel tower, which comprises a welding part bracket, a welding part, a welding part, a welding part, a welding part and a welding part, and is characterized in that a pneumatic pushing mechanism, a right-angle positioning guide frame and a limiting frame are sequentially arranged at the top of the welding part bracket from inside to outside; and a single-drive mechanism. Therefore, the automatic angle steel butt-joint device is exquisite in structural design and outstanding in performance, automatic feeding can be achieved, angle steel can be accurately controlled to move and be in butt joint along a preset path, machining precision and efficiency are improved, welding quality is guaranteed, errors are reduced, automatic discharging can be achieved after welding is completed, working efficiency is further improved, manpower burden is relieved, meanwhile, personal errors and potential safety hazards are avoided, and the automatic angle steel butt-joint device is suitable for popularization and application. And the product quality and the production stability are improved, and great market popularization and application values are achieved.

The invention relates to metal plate rolling equipment which comprises a left fixed roller and a right fixed roller which are symmetrically arranged, a multi-layer rolling structure is adopted, through the synergistic effect of the left fixed roller, the right fixed roller and a middle adjusting roller and in combination with an upper left roller, a lower left roller, an upper right roller and a lower right roller which are arranged up and down, precise step-by-step rolling on a metal plate is achieved, and the rolling precision of the metal plate is improved. Through the dynamic pressure and curvature adjusting system, the pressure distribution and the contact state between the upper roller and the lower roller can be adjusted in real time according to the material, the thickness and the process requirements of a to-be-machined plate through the upper adjusting roller, the lower adjusting roller, the matched upper adjusting mechanism and the matched lower adjusting mechanism, and the problem of insufficient rolling caused by overpressure fracture or underpressure is effectively solved; the left detection heating mechanism and the right detection heating mechanism integrate an electromagnetic ultrasonic nondestructive testing technology and an induction heating technology, so that nondestructive testing of internal defects of a plate can be achieved in the rolling process, and local or overall efficient heating can be conducted according to needs.

The invention belongs to the technical field of intelligent production lines, and particularly relates to an intelligent log sawing production line, a production process and a sawing method. The production line comprises a transverse log conveying line, a longitudinal log conveying line, a first sawing production line, a turnover mechanism, a second sawing production line, a cutting production line and a screening device which are correspondingly arranged in sequence. Middle square stocks and side plate skin materials are separated through the first sawing production line, the turnover mechanism and the second sawing production line, then the middle square stocks and the side plate skin materials are cut through respective specific processing methods according to respective characteristics, the log sawing processing procedures are reduced, the posture of logs is modeled through the multiple 3D scanning modeling devices, and the log sawing efficiency is improved. Automatic production of logs is achieved through cooperation of the first sawing production line and the second sawing production line, the problem that in the prior art, log radial angle adjustment and sawing depend on manual experience is solved, the investment of labor cost is reduced to a large extent, and the log sawing efficiency is improved.

The utility model relates to the technical field of aluminum electrolysis, in particular to an aluminum electrolysis cell. The aluminum electrolysis cell comprises a cell bottom plate, a vermiculite heat preservation layer and an impermeable layer. An opening is formed in the top of the tank bottom plate, and the tank bottom plate is used for surrounding a hearth containing electrolyte; the vermiculite heat preservation layer and the impermeable layer are laid at the bottom in the trough bottom plate, and the impermeable layer is laid on the vermiculite heat preservation layer. The aluminum electrolysis cell comprises the cell bottom plate, the vermiculite heat preservation layer and the impermeable layer, the cell bottom plate serves as a bottom plate of the aluminum electrolysis cell to form a hearth, the impermeable layer can prevent electrolyte in the aluminum electrolysis cell from leaking, and the vermiculite heat preservation layer is used for heat preservation. The heat-insulating layer of the aluminum electrolysis cell adopts the vermiculite heat-insulating layer, so that the aluminum leakage phenomenon of the aluminum electrolysis cell can be effectively reduced, the temperature of the shell of the aluminum electrolysis cell is reduced, the heat balance in the cell is better maintained, the heat-insulating property and the heat-insulating stability of the aluminum electrolysis cell in the service life are basically unchanged, the production stability is improved, and energy conservation and consumption reduction are realized.

The application belongs to the technical field of spraying, and particularly relates to a spraying tool and a spraying device for cylindrical workpieces. The spraying tool comprises a frame body, a transmission chain, a plurality of chain wheels, a driving system and a plurality of columnar positioning structures. The plurality of chain wheels are rotationally arranged on the top of the frame body, the transmission chain is engaged with the plurality of chain wheels to form a closed conveying route, the driving system is drivingly connected with at least one chain wheel, and the plurality of columnar positioning structures are distributed along the upper side of the transmission chain. The columnar positioning structure is used for inserting and fixing the cylindrical workpiece in an upward positioning posture. The spraying tool realizes vertical insertion and continuous conveying of the cylindrical workpiece, effectively avoids the shaking problem caused by single-point suspension of the traditional suspension tool, and significantly reduces the risk of collision between the workpieces and the collision of the spray gun. Meanwhile, the workpiece is sprayed in a vertical posture, which is beneficial to uniform distribution of the paint and improves the consistency of the coating thickness.

The present invention relates to the field of die-casting optimization technology, and discloses a die-casting process parameter optimization method and system based on digital twin. The method includes: arranging sensors to collect die-casting equipment operation parameters and die-casting part quality data in real time to form multi-source die-casting production data. According to the multi-source die-casting production data, establish a multi-physics field simulation model and construct a digital twin model. Compare the virtual prediction results with the measured quality data, and construct a virtual-real difference compensation network to correct the parameters of the digital twin model. Based on the compensated digital twin model, perform a multi-objective reinforcement learning method to generate the optimal die-casting process parameters. Apply the optimal die-casting process parameters to the die-casting equipment for verification, and update the virtual-real difference compensation network according to the verification results. This application realizes the intelligent optimization and continuous self-evolution of die-casting process parameters, and improves the casting forming accuracy, energy efficiency utilization rate and production stability.