910results about "Forging press drives" patented technology

The invention relates to the technical field of forging process intelligent control, in particular to an intelligent control method, system and device for a vacuum isothermal forging press. The method comprises the steps that temperature, pressure and stress data in the forging process are collected based on a multi-mode sensor, and a preliminary original data sequence is generated; cleaning and standardizing the original data sequence to generate standardized real-time working condition data; based on the real-time working condition data and the historical data, constructing a dynamic process prediction model, and generating a key parameter prediction sequence; inputting the key parameter prediction sequence into a reinforcement learning model to generate an optimized process parameter set; and dynamically adjusting a press execution system based on the optimized process parameter set, monitoring the equipment operation state in real time, and generating a closed-loop control instruction sequence. The forging quality consistency and the production efficiency can be effectively improved, and the equipment failure risk is reduced.

The invention relates to the technical field of titanium alloy radial forging, in particular to a titanium alloy radial forging method and system based on the radial reduction rate and the feed rate, and the method comprises the steps that a titanium alloy blank is obtained, the initial temperature, the radial reduction rate and the feed rate range are set, multi-pass forging is conducted, and a morphology distribution diagram is detected; building a forging simulation model, calculating radial strain and axial stress distribution, and evaluating material flow characteristics; segmenting the morphology distribution diagram through a local gradient and a dynamic threshold value, and generating an actual deformation distribution diagram in combination with strain information; and comparing the actual deformation uniformity distribution diagram with the simulated deformation uniformity distribution diagram to adjust the model so as to realize optimization. According to the method, the deformation uniformity and the technological parameter control precision of titanium alloy radial forging can be improved, and the dependence on high-cost equipment is reduced.

The invention is suitable for the technical field of automobile fuel injection nozzle forging, and particularly relates to an automobile fuel injection nozzle forge piece forging method and equipment. The method comprises the steps that metal flow resistance, metal flow speed, forging vibration data and lateral force are obtained; determining a target flow velocity based on the metal flow resistance, the metal flow velocity and the forging vibration data; determining an axial strain coefficient and a radial strain coefficient based on the metal flow resistance, the metal flow velocity, the forging vibration data and the lateral force; based on the axial strain coefficient and the target flow velocity, generating a sliding block control instruction, and based on the radial strain coefficient, generating an ejector rod control instruction; and according to the sliding block control instruction and the ejector rod control instruction, a forging and pressing device and a hydraulic device are controlled to forge the automobile oil nozzle forge piece. According to the method, the forge piece forming precision, the production efficiency and the intelligence and automation level of the forging process can be remarkably improved.

The invention relates to the technical field of digital management, in particular to a digital management system for cold heading and heat treatment processing of fasteners, which comprises a phase deviation identification module, a load regulation and control parameter generation module, a heat treatment efficiency regulation and control module, a defect type association control module and an early warning instruction output module. According to the method, a load change node is positioned through a main shaft angle value, synchronous offset between a main shaft and a slave shaft is identified by combining multi-shaft displacement and load data, an angular displacement point in an impact rhythm, a corresponding speed and a holding time length set value are extracted, and targeted impact regulation and control parameters are formed; in the heat treatment stage, the fluctuation trend of heat conduction efficiency is recognized by combining the surface area and temperature rise data of the fastener, process response establishment of multiple types of defects is achieved by combining the crack size, the hardness value and the surface atlas label in the machining period, and shutdown and feeding interruption signals are issued to the control terminal according to the machining beat continuous triggering condition. Defect closed-loop linkage control in the fastener cold heading and heat treatment process is achieved.

The invention discloses a Ti55531 titanium alloy large-specification bar machining method. The method comprises the steps of cogging forging, intermediate forging and finished product forging. In the cogging forging process, the cast ingot alternately deforms at the temperature above and below the phase transformation point temperature, and beta grains are refined through static and dynamic recrystallization; and during recrystallization heating in the beta region, the temperature is controlled to be 30-50 DEG C above the phase transformation point so as to avoid excessive growth of beta grains. In the intermediate blank forging stage, controllable recrystallization annealing is added, and by controlling the forging temperature (15-25 DEG C below the phase transformation point), a part of primary alpha phase is properly reserved to limit rapid growth of beta crystal grains; through 2-3 times of'low + high 'circular forging at 40-60 DEG C and 15-25 DEG C below the beta transformation temperature, and in combination with beta-phase deformation recrystallization, the original beta grain size is remarkably refined, and the forging structure uniformity of a subsequent two-phase region is improved. The method for producing the Ti55531 titanium alloy large-specification (phi 350-600 mm) bar is advanced in process, short in preparation process, low in cost, good in product structure uniformity and high in batch stability.

The invention is applicable to the technical field of titanium alloy pipe processing, and particularly relates to a preparation method of a high-plasticity TA15 titanium alloy pipe, which comprises the following steps: step S1, selecting sponge titanium, pure metal and intermediate alloy, preparing according to standard components of TA15 titanium alloy to obtain a prepared raw material, and smelting the prepared raw material for three times by adopting a vacuum consumable smelting furnace to obtain a high-plasticity TA15 titanium alloy pipe; and the TA15 titanium alloy cast ingot with the diameter being 600 mm is obtained. According to the method, the mechanical property and plasticity of the titanium alloy pipe are remarkably improved by accurately controlling the temperature and deformation of each machining step. And three-time upsetting and three-time drawing forging is carried out within the temperature range of T beta or above, coarse grains are effectively crushed, and grain structures are refined. And then, the metallographic structure of the wool rod is gradually optimized by accurately controlling the forging temperature and the deformation amount.

The present disclosure provides a device and a method for controllable forging of a forming flow line of a complex-shaped component. The device includes a frame, a shaping unit, a cushioning unit, and a cleaning unit, and the frame is used to mount and fix the shaping unit, the cushioning unit, and the cleaning unit; the shaping unit is used to improve a shaping capacity of processed parts; the cushioning unit is used to reduce a vibration in a metal shaping process to avoid an impact on the shaping of the metal; the cleaning unit is used to clean up a surface of a mold after shaping; when the metal is put into the mold, the metal is extruded and shaped through the shaping unit, and at the same time, the cushioning unit is used to offset the vibration generated by the shaping unit during the shaping process.

The invention relates to the technical field of image processing, in particular to a blank forging temperature abnormity early warning method based on an infrared thermodynamic diagram, which comprises the following steps: continuously acquiring the infrared thermodynamic diagram of a blank at multiple angles, preprocessing the infrared thermodynamic diagram into initial images, and acquiring a plurality of continuous initial images at each angle, determining a first correction factor of the pixel point according to the gray scale difference and the first neighborhood area of the same pixel point and all pixel points in the first neighborhood in the images, and obtaining a plurality of initial images of each angle and adjacent angles; determining a second correction factor of the pixel point according to the gradient differences of the same pixel point and all pixel points in the second neighborhood in the images in combination with the observation angle of the image and the distance between the pixel point and the acquisition equipment, correcting the temperature value of the pixel point by using the first correction factor and the second correction factor, and judging whether the temperature is abnormal or not. And the consistency of temperature measurement and the accuracy of temperature anomaly identification are improved.

The invention relates to the technical field of metal plastic forming, and discloses a titanium alloy radial forging reduction rate collaborative optimization method based on material testing, which comprises the following steps of: acquiring dynamic characteristic data in a forging process in real time by acquiring multi-dimensional material performance parameters, and constructing a multi-target collaborative optimization model; and intelligent collaborative configuration of the reduction rate parameters is realized by adopting a self-adaptive weight distribution strategy. And a thermal coupling factor normalization equation and a phase field free energy functional normalization model are established, and the technical problems that in a traditional forging process, due to empirical configuration of reduction rate parameters, the structure is uneven, and residual stress exceeds the standard are solved. A lightweight model is deployed through edge computing nodes, millisecond-level dynamic correction of an optimization scheme is realized in combination with a 5G industrial private network, and the grain size qualification rate and the size precision of the titanium alloy forgings are improved. The method improves the yield of the grain size of the forge piece, ensures that the residual stress of the forge piece is reduced, stably controls the size precision, and improves the batch stability of high-end titanium alloy parts.

The present application relates to the technical field of metal plastic forming, and discloses a titanium alloy radial forging reduction rate collaborative optimization method based on material testing, which acquires dynamic characteristic data of a forging process in real time through multi-dimensional material performance parameter collection, constructs a multi-objective collaborative optimization model, and realizes intelligent collaborative configuration of the reduction rate parameter by using an adaptive weight distribution strategy. A thermal coupling factor normalization equation and a phase field free energy functional normalization model are established to solve the technical problems of uneven structure and excessive residual stress caused by the empirical configuration of the reduction rate parameter in the traditional forging process. A lightweight model is deployed through an edge computing node, and millisecond-level dynamic correction of the optimization scheme is realized in combination with a 5G industrial private network, thereby improving the grain size qualification rate and size accuracy of titanium alloy forgings. The present application improves the grain size qualification rate of forgings, ensures stable control of the size accuracy while reducing the residual stress of forgings, and improves the batch stability of high-end titanium alloy components.

The invention discloses a hot die forging press with a lubricating oil detecting and supplying function, and relates to the technical field of hot die forging presses, the hot die forging press comprises a mounting frame, a forging and pressing unit, a detecting unit and a controller, the mounting frame is used for mounting and fixing the forging and pressing unit, the detecting unit and the controller, and the forging and pressing unit is used for forging and pressing forgings; the detection unit is used for liquid level detection and automatic supply of lubricating oil, the controller is used for controlling opening and closing of the forging unit and the detection unit, and when forging is needed, the controller controls the forging unit to start to hammer the forging and controls the detection unit to spray the lubricating oil to the surface of the forging to form an oil film to protect the forging. And when the detection unit detects that the lubricating oil is insufficient, the lubricating oil is automatically supplied, and the situation that the forging cannot be lubricated due to the insufficient lubricating oil, and the forging quality is affected is avoided.

Aiming at the defects of streamline cutting, vortex turbulence, tail end exposure and the like in the existing forging process, the invention provides the streamline defect regulation and control method for the complex die forging of the aluminum alloy aviation hub, which comprises the following steps of: upsetting a blank, pre-forging the blank and finally performing finish forging and forming, and reasonably designing a heat transfer coefficient and a friction coefficient in the forging process. And the temperature is matched with the forging speed, so that streamline defects such as folding and exposure generated in the forging process are effectively improved, shape follow-up distribution of metal streamlines of the hub forge piece is achieved, the performance of the hub is improved, and the service life of the hub is prolonged.

The invention relates to the technical field of high-temperature alloy, in particular to high-temperature alloy forging equipment which comprises a base, stamping equipment is fixedly connected to the top of the base, a forging table is fixedly connected to the side, away from the stamping equipment, of the top of the base, and a control column is fixedly connected to the side, away from the forging table, of the top of the base. By arranging the control column and the die replacement disc, die replacement in the high-temperature alloy forging process becomes flexible and efficient, a die replacement disc body is tightly combined with a control column shell and a sliding groove disc through a rotating shaft, a top gear is precisely meshed with a second gear, the die replacement disc body is tightly combined with the control column shell and the sliding groove disc, and die replacement is more convenient. By means of the design, smooth rotation and positioning of the die replacement disc on the control column are achieved, the operation process of die replacement is simplified, the accuracy and efficiency of replacement are greatly improved, and great convenience is provided for forging of high-temperature alloys of different specifications and shapes.

The invention belongs to the technical field of metal forge piece forging and pressing, and particularly discloses a metal forge piece forging and pressing forming device which comprises a box body, a supporting table is connected to one side of the upper end of the box body, supporting columns are connected to the upper end of the supporting table, a top plate is connected to the upper ends of the supporting columns, and a hydraulic cylinder is connected to the middle of the upper end of the top plate. The output end of the hydraulic cylinder penetrates and extends to the lower end of the top plate and is connected with a lower pressing plate, the lower pressing plate slides on the outer walls of the multiple supporting columns, and openings are formed in the positions, corresponding to the multiple supporting columns, of the lower pressing plate. Through separated lubrication of the cleaning mechanism, the spraying mechanism and the lower die, the effects of replacing manual operation and guaranteeing cleaning and lubrication of the core rod and the lower die are achieved, and the forming quality and the production efficiency of the aluminum alloy deep-hole forge piece are improved.

The invention relates to the technical field of shaft part machining, in particular to automobile lightweight motor shaft forging forming equipment which comprises a rack and a rotary clamp, a platform is further arranged on the rack, a rotary forging and pressing mechanism is arranged on the platform and provided with a forging and pressing opening, and an annular abutting face is arranged in the rotary forging and pressing mechanism. A forging and pressing head is arranged in the forging and pressing opening and provided with a forging and pressing end and an abutting end, protruding pieces are arranged on the annular abutting face, and the protruding pieces are arranged in the rotary forging and pressing mechanism, so that the protruding pieces can move in the radial direction of the forging and pressing opening while the forging and pressing head rotates in the circumferential direction of the forging and pressing opening, and when the forging and pressing head makes contact with the protruding pieces at different radial positions, the protruding pieces can move in the radial direction. The forging and pressing amplitude is adjusted according to the outline change of the convex part, multi-amplitude forging of the shaft blank is achieved, the rotating clamp can stably clamp the shaft blank and drive the shaft blank to rotate synchronously, it is ensured that all parts of the shaft blank can evenly bear forging pressure, and the problem that stress is uneven due to the fact that the forging and pressing amplitude is fixed in traditional equipment is solved.

The invention relates to the technical field of intelligent forging and pressing equipment, in particular to a cold header pressure control system which comprises a pressure sensing module used for collecting dynamic pressure signals when a cold header works in real time; the system further comprises a control unit, the control unit is electrically connected with the pressure sensing module, a fuzzy PID control algorithm is adopted to conduct real-time analysis on the dynamic pressure signals based on the pressure change rate and historical abnormal working condition data, and a pressure regulation and control instruction is generated in combination with a preset pressure threshold value range. The pressure during cold heading can be intelligently adjusted and optimized according to different materials, the product quality and the machining efficiency are improved, the use safety of equipment is improved, the service life of a mold is prolonged, and the production cost is reduced.

The invention belongs to the technical field of hardware forging, particularly relates to an automatic forging forming machine for hardware blank machining and a using method thereof, and provides the following scheme aiming at the problems of low efficiency, high labor intensity and accumulation of an oxide layer on a forging table during manual adjustment of a hardware blank stress surface in the prior art: the automatic forging forming machine comprises the forging table; a base is fixed to the bottom of the forging table, a portal frame is fixed to the top of the forging table, a hydraulic cylinder fixedly penetrates through the portal frame, a forging hammer is fixed to the bottom end of the hydraulic cylinder, and the hydraulic cylinder and the forging hammer are matched to be used for forging blanks. Two forging plates are rotationally arranged in the through hole; according to the blank turning device, multiple faces of a blank can be turned automatically, the labor intensity of workers is reduced, the safety of the workers is guaranteed, the forging plate is driven to rotate in the turning process, an oxide layer generated in the forging process is automatically cleaned and discharged, and later blank placement and forging are facilitated.

The invention relates to the technical field of forging part production, in particular to an intelligent monitoring method and system for a forging part production line, and the method comprises the steps that the stamping precision of multiple stamping strokes of any position point in the forging process of a forging part is monitored, and the average value of the stamping precision serves as the forging quality of the position point; a stamping area of each position point is constructed; the forging quality of the target stamping area of any position point is subjected to weighted summation, the weighted forging quality of all the position points is obtained, and the target stamping area is the stamping area containing the position points; and giving an early warning in response to the condition that the weighted forging quality at any position point is less than a preset quality value. According to the technical scheme, the defects of the forging parts can be accurately recognized, and the accuracy of the production quality monitoring result of the forging part production line is improved.

The present application discloses a hot press forming device for bolt processing, which relates to the field of metal forging technology. The device comprises a processing table, an inner cavity of the processing table is provided with a forming assembly, a hydraulic cylinder is fixedly installed on the top bottom wall of the processing table, and a second piston rod is slidably connected to the inner cavity of the hydraulic cylinder. The present invention can produce bolts of different lengths according to demand through the forming assembly, and the workpiece can be ejected by a demoulding mechanism with flexible force after hot forging, so as to prevent the demoulding mechanism with too strong rigidity from ejecting or manually pulling out and damaging the workpiece or the mold. Water can be automatically sprayed for cooling during demoulding, which is also helpful for demoulding, improving production efficiency and preventing workers from being scalded when taking out the workpiece. The positioning assembly can detect whether the pressing mold has position deviation, and when the pressing mold has position deviation, an alarm can be issued in time to remind the workers to perform maintenance. The device can also detect whether the pressing mold is tilted, so as to ensure uniform force during hot pressing and avoid mass production of unqualified bolts.

The invention discloses an electric hydraulic integrated driving system of a large forging manipulator and a control method, and belongs to the technical field of driving and transmission of forging manipulators, the electric hydraulic integrated driving system comprises an electric driving unit, a hydraulic power unit, a front offset unit, a rear offset unit, an inclination unit, a lifting unit and a walking unit; the electric driving unit is connected with an external power grid on one hand, and is connected with motors of the hydraulic power unit, the front offset unit, the rear offset unit, the inclination unit, the lifting unit and the walking unit on the other hand; the hydraulic power unit is connected with control valve sets of the front deviation unit, the rear deviation unit, the inclining unit, the lifting unit and the walking unit. Movement is controlled through the motor, power is provided through hydraulic pressure, high power density, high energy efficiency and high performance of a driving and transmission system are achieved, and the requirement for multi-dimensional simultaneous control is met.

The invention belongs to the technical field of forging dies, and particularly relates to a sleeve fork type semi-closed forging die which comprises a workbench, a lower die is fixedly connected to one side of the upper end face of the workbench, first sliding rods are fixedly connected to the four corners of the upper end face of the lower die correspondingly, the first sliding rods are slidably connected with an upper die, and a top plate is fixedly connected to the upper ends of the first sliding rods; a mold cavity is formed in the middle of the lower mold, and a demolding mechanism used for ejecting a formed forge piece out of the mold cavity is arranged on the lower mold. By means of the demolding mechanism and the fork entry adaptive sleeving mechanism, after forgings are formed, the forgings can be ejected out of the mold cavity, and the multiple forgings are sequentially hung in the multiple containing grooves in the containing and receiving barrel from left to right, so that automatic collection of the ejected forgings is achieved, the process of manually and frequently collecting workpieces by workers is omitted, convenience and labor saving are achieved, and the production efficiency is improved. A worker can inspect the appearance quality of each forge piece in sequence, and the situation that the inspection efficiency is affected due to concentrated accumulation and mutual covering of the forge pieces is avoided.

The invention relates to the technical field of metal casting and powder metallurgy, in particular to a pressure self-adaption adjusting method and system for multi-material forging and pressing, and the method comprises the steps that 1, forging and pressing equipment and a parameter collecting system are initialized; 2, multi-parameter data in the forging and pressing process are collected in real time; 3, calculating the dynamic deformation resistance of the material based on the real-time parameters; step 4, generating a self-adaptive pressure regulation value according to the dynamic deformation resistance; 5, controlling a pressure executing mechanism to output a target pressure value; and 6, the forging and pressing process is continuously monitored and terminated, the step 2 to the step 5 are repeated until the displacement of the die reaches a preset forging and pressing completion position, the central processing unit sends out a termination signal, the pressure execution mechanism gradually unloads pressure to complete the forging and pressing process, and all parameters and adjustment records are stored for quality analysis. Through accurate pressure control and a closed-loop feedback mechanism, defects caused by too high or too low pressure are avoided, the rejection rate is remarkably reduced, and the qualified rate of products is increased.

The invention relates to the field of die forging press anomaly detection, in particular to a large die forging press anomaly detection method, which comprises the steps of collecting multi-dimensional time sequence training data of a die forging press, aligning timestamps and processing missing values; dividing the training data into a plurality of segments through a sliding window, and dividing the operation stages of the die forging press into five classes; performing tagging processing on the data fragments, calculating a Pearson's correlation coefficient matrix, and generating a corresponding correlation threshold matrix; training a neural network classification model based on the training data; collecting detection data of the die forging press in real time, and judging the current operation stage; selecting, calculating and comparing a correlation threshold matrix and a real-time correlation coefficient matrix according to the current operation stage; and if the real-time correlation coefficient is lower than the correlation threshold matrix coefficient, abnormal early warning is triggered. According to the method, anomaly detection is carried out on the sensor correlation in different stages, so that the accuracy of anomaly detection of a correlation algorithm is improved, and the false alarm rate and the missing report rate are reduced.

The invention discloses nut cold heading forming equipment, and relates to the technical field of nut machining, and the nut cold heading forming equipment comprises a cold heading device. According to the nut cold heading forming equipment, through the design of the cold heading device, nuts are evenly conveyed through the guiding mechanism, the stability in the conveying process is kept, the nuts are clamped and fixed through the positioning mechanism, so that follow-up material taking is facilitated, the six-axis mechanical arm controls the clamp mechanism to clamp the positioned nuts, and the nut cold heading forming efficiency is improved. The six-axis mechanical arm adopts multi-angle rotation, materials are placed on the top of the processing device, nuts are clamped and fixed through the processing device, so that the stability of the materials is kept, the subsequent operation requirements are met, the composite device is matched with the processing device, the nuts are extruded through the composite device, and the processing efficiency is improved. And when a small amount of burrs exist after cold heading punching, the burrs are rubbed through the composite device, so that the follow-up machining difficulty is reduced, and rough machining of the nut is achieved.

The invention discloses a cold header servo motor feeding control method and system, and relates to the field of control systems.The method comprises the steps that a man-machine interface routes a feeding control request to a PLC; the PLC is in communication connection with a driver of a servo motor of the cold header; the PLC analyzes the feeding control request to obtain to-be-executed feeding control logic, and generates a control instruction based on the feeding control logic; the PLC compares the actual parameter with a preset template parameter, and optimizes the actual parameter under the condition that there is a difference, thereby obtaining an equipment optimization parameter; the PLC sends the control instruction and the equipment optimization parameters to a driver of a servo motor of the cold header; the PLC monitors the operation state of the servo motor of the cold header in real time and displays the operation state on the human-computer interface; and the PLC optimizes the control performance of the servo motor of the cold header based on the operation state. The control precision of the cold header control system can be effectively improved.

The invention belongs to the technical field of forging and stamping, and particularly relates to a large-tonnage press machine servo master-slave synchronization system and a control method.The large-tonnage press machine servo master-slave synchronization system comprises a master transmission system, a slave transmission system and a control system, and each of the master transmission system and the slave transmission system comprises a power assembly and a transmission gear set; the power assembly is used for driving a press sliding block to do vertical reciprocating motion through the transmission gear set, the control system comprises a control unit and a man-machine interaction platform, the control unit receives signals of the man-machine interaction platform, and the master transmission system and the slave transmission system are driven through a master servo driver and a slave servo driver respectively. And the control unit can compensate the operation error of the master and slave transmission systems in real time, so that the consistency of the operation of the master and slave transmission systems is realized. The characteristics of the servo motor and a driving control system of the servo motor can be fully utilized, control over the large-tonnage press sliding block becomes more flexible, the control precision and action sensitivity of the large-tonnage press sliding block are improved, action cooperation of the large-tonnage press sliding block and an automatic feeding system is better, and then the production takt and the lifting efficiency of a large stamping production line are improved.

The invention relates to the technical field of steel ball cold heading, in particular to a steel ball high-speed automatic cold heading machine which comprises a pressure loading mechanism, an edge clamping stability augmentation mechanism arranged in the pressure loading mechanism, an edge-inclining-preventing stamping mechanism arranged in the pressure loading mechanism and an auxiliary pressure pushing mechanism arranged on the edge-inclining-preventing stamping mechanism. And the pressure loading mechanism is used for providing pressure-resistant support for the inclined edge preventing stamping mechanism and the auxiliary pressure propelling mechanism. Existing double dies are arranged to be four-area dies, the two sets of upsetting material calibration assemblies which are symmetrically distributed are arranged between the two cold upsetting ends, and after the two sets of upsetting material calibration assemblies descend and open a certain gap, cylindrical steel transferred by a mechanical arm or a clamp can be subjected to calibration constraint of the two sets of upsetting material calibration assemblies; and finally, the steel pressed by the two cold heading end heads is not inclined or inclined due to instantaneous pressure, so that the rough blank of the steel ball is prevented from being inclined.

The invention relates to the technical field of wind power equipment output shaft forging, and discloses a wind power equipment output shaft anti-fatigue performance optimization forging process which comprises the following steps that a blank is heated to a preset temperature to improve the forgeability of the blank, and a base is provided for subsequent forging; hot forging is conducted, specifically, a staged forging technology is adopted, grains are refined step by step, and forging defects are removed; cold forging is conducted, specifically, the blank is cooled to the room temperature to be subjected to cold forging treatment for optimizing the surface hardness and toughness of the forge piece, and the anti-fatigue performance is further enhanced; after finish forging and cold forging, residual compressive stress on the surface of the forge piece is treated; the temperature field is heated and detected, in the heating process, the temperature of the blank is detected in real time through temperature detection equipment, the temperature field is calculated, and it is ensured that the temperature is evenly distributed. The blank is subjected to hot forging in stages, grains can be gradually refined, forging defects are eliminated, then cold forging treatment is conducted, the surface hardness and toughness of the forge piece can be further optimized, the anti-fatigue performance is enhanced, and the quality and reliability of the forge piece are improved.

According to the welding machining device and method for the inner net and the outer net of the filter, the welding machining device comprises the machining machine table, the lifting mechanism, the moving mechanism, the roller electrode, the shaft electrode and the hooping mechanism, and complex spatial spiral movement is simplified into single axial movement of the roller electrode in a joint channel; an expensive and complex high-precision multi-axis linkage numerical control system is not needed, only one common motor is needed to drive a roller electrode to linearly walk along a joint channel, inclined joint welding of the filter metal net is completed, a workpiece can be driven to rotate in a pure mechanical mode, the cost is low, the welding efficiency is high, and through a micro forging and pressing mode in advance, the welding efficiency is high. According to the method, a solid metal strip with the width of about 1-2 mm and without through holes is formed, and the solid strip provides a continuous and uniform contact surface for a subsequent roller electrode, so that a constant resistance and ideal current path is provided, controllable and predictable generation of welding heat is realized, and the problems of pseudo soldering and overburning caused by meshes are greatly reduced.

A cold heading head safety monitoring device comprises an upper connector, an elastic body, a support plate and a lower connector; a wire harness channel is arranged inside the upper connector, one end of the channel is located at the center of the lower side of the upper connector, and the other end is located on the circumferential side; the elastic body comprises four deformation bodies, which are arranged between the upper connector and the support plate, each deformation body comprises columns arranged in a 3×3 matrix, and each deformation body is provided with a sealing plate on the upper and lower sides, and two deformation bodies corresponding to any one of the outer sides of the elastic body, and the corresponding side of the middle column of the three columns on the corresponding side is provided with a resistance strain gauge, and the wire harness of the resistance strain gauge enters the wire harness channel from the lower side of the upper connector and is led out from the circumferential side of the upper connector; the upper side of the lower connector is connected to the support plate through a circumferentially inward-contracted connection column. It can monitor the stress condition of the cold heading head in real time to prevent damage caused by abnormal stress on the cold heading head.