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11671 results about "Grinding" patented technology

Grinding is an abrasive machining process that uses a grinding wheel as the cutting tool.

Intelligent steel rail grinding control method

The invention relates to the technical field of polishing, and discloses an intelligent steel rail polishing control method which comprises the following steps: acquiring surface and internal defect data of a steel rail through laser and ultrasonic fusion detection, discretizing the data into multi-dimensional nodes, and constructing a dynamic graph model comprising a microscopic-macroscopic dual-cluster neural network to predict a defect evolution trend; based on fractal dimensions and information entropy, multi-source data are dynamically fused, abnormities are eliminated, chaotic optimization and wear prediction are adopted to generate global optimal polishing parameters, and finally parameter dynamic adjustment is achieved through closed-loop feedback of pulse frequency and control errors. Steel rail defect collaborative perception is achieved through a multi-scale dynamic graph model, fractal-entropy weight dynamic fusion is combined to enhance data reliability, global optimal parameters are generated through chaos optimization and abrasion prediction, accurate grinding is achieved through pulse-error closed-loop control, and the method is simple and convenient to implement. The problems of data fusion failure, defect response lag, parameter local optimization and insufficient control precision in the prior art are solved.
Owner:HANGZHOU RAILTONG TECHNOLOGY CO LTD

Polishing equipment with surface self-adaption function for maintenance of civil aircraft

The invention discloses grinding equipment with a surface self-adaption function for civil aircraft maintenance, and relates to the technical field of grinding equipment, the grinding equipment comprises a grinding mechanism, a self-adaption mechanism and a positioning mechanism, the grinding mechanism is fixedly connected with the self-adaption mechanism, and the self-adaption mechanism is fixedly connected with the positioning mechanism. The grinding mechanism is used for driving a grinding disc to work, and flexible grinding of the surfaces of different areas can be achieved. The self-adaptive mechanism is composed of a self-adaptive assembly, an expanding and contracting assembly and a rotating assembly, the grinding disc has the flexible adjusting capacity when making contact with the surface of a workpiece, the expanding and contracting assembly achieves expanding and contracting, the rotating assembly drives an expanding and contracting block to revolve, and therefore the adaptability of the grinding disc on the complex curved surface is guaranteed. And the positioning mechanism is used for positioning parts needing to be maintained, so that the purposes of adapting to complex curved surfaces, improving the polishing precision and efficiency, avoiding the problem of difficult attachment and ensuring the maintenance quality and the operation safety are achieved.
Owner:SICHUAN AIRLINES CO LTD

Grinding parameter optimization method of full-automatic coarse and fine grinding all-in-one machine based on particle swarm optimization

The invention relates to the technical field of control parameter optimization, in particular to a particle swarm optimization-based grinding parameter optimization method for a full-automatic coarse and fine grinding all-in-one machine. The method comprises the following steps: acquiring equipment operation multi-modal data, and performing multi-thread aggregation to obtain structured grinding field sensing data; performing grinding parameter semantic abstraction on the structured grinding field sensing data to obtain a grinding parameter intention nested mapping table; performing rough solution space boundary evolution on the grinding parameter intention nesting mapping table to obtain a coarse-grained grinding parameter track group; soft clustering biased learning is carried out on the coarse-grained grinding parameter trajectory group, and a high-dimensional grinding parameter candidate map is obtained; and parameter tensor loopback optimization is conducted according to the high-dimensional grinding parameter candidate atlas, and a stable grinding parameter set is obtained. According to the invention, the precision and the production efficiency of the equipment are improved, the energy consumption is reduced, and the abrasion and the maintenance cost of the equipment are reduced, so that higher benefits and sustainable development are realized in industrial production.
Owner:深圳宏友金科技有限公司

Inner wall polishing device for deep-hole precision part

The invention discloses an inner wall grinding device for deep-hole precision parts, and particularly relates to the technical field of pipeline grinding, the inner wall grinding device comprises a grinding box, a grinding mechanism is mounted on one side of a driving assembly, a centering assembly is mounted on the other side of an inner cavity of the grinding box, and a rotating mechanism for driving a round pipe part to rotate is mounted on the rear portion of the centering assembly; and a cooling mechanism for spraying the round pipe part is installed on the right side of the bottom of the grinding box, and two supporting assemblies for supporting the round pipe part are installed on the right side of the bottom of the grinding box. According to the inner wall grinding device for the deep-hole precise part, in the process that a round pipe part is ground from right to left through the arranged grinding mechanism, the internal structure of the grinding mechanism moves under the effect of grinding the round pipe part, and chippings and cutting fluid contained in an inner cavity of the round pipe part can be synchronously scraped outwards; the problem of secondary scratching caused by scrap accumulation in deep hole machining is solved, and meanwhile the workload of the follow-up cleaning procedure is reduced.
Owner:JINHUA BOCHUAN AUTOMATION TECH CO LTD

Intelligent composite glass edge grinding machine

The invention relates to the technical field of glass processing equipment, and discloses an intelligent composite glass edge grinding machine which comprises a machine base and a processing part arranged on the machine base, an edge grinding assembly is arranged on the processing part, and the edge grinding assembly comprises a mounting base arranged on the processing part, a driving motor capable of moving back and forth on the mounting base and a connecting base. A rotating shaft of the driving motor is connected with an outer grinding head and an inner grinding head which are coaxially arranged, the inner grinding head can move relative to the outer grinding head in the axial direction of the inner grinding head, and the mounting base is provided with a second adjusting device capable of driving the driving motor and the connecting base to move back and forth. The intelligent composite glass edge grinding machine is high in machining efficiency, high in stability and small in size.
Owner:FOSHAN QISHANG TECHNOLOGY CO LTD

Efficient energy-saving feed raw material grinding and crushing device

The invention relates to the technical field of feed processing, in particular to an efficient energy-saving feed raw material grinding and smashing device which comprises a smashing box body, a feeding groove is formed in the top of the smashing box body, a material passing cavity is formed in the feeding groove, and the bottom of the material passing cavity communicates with a grinding and smashing cavity and a collecting cavity. A plurality of smashing assemblies are arranged on the transmission rotary drum, a plurality of collecting assemblies are arranged in the transmission rotary drum, a feeding driving assembly is arranged in the material passing cavity, an adjusting smashing assembly is arranged in the transmission rotary drum, and a screen piece adjusting assembly is arranged in the collecting cavity. And a control system is arranged in the crushing box body, judges the hardness, density and distribution uniformity of the materials according to data acquired by the acquisition assembly, controls the feeding flow of the raw materials, and dynamically adjusts the screening thickness and the crushing efficiency of the crushing assembly. According to the invention, asymmetric rotor design, dynamic airflow regulation and control and an intelligent feedback system are integrated, so that the particle sorting problem is solved, the energy consumption of crushing and grinding is reduced, and the service life of crushing hammers is prolonged.
Owner:SHANGLUO LVFURAN ANIMAL HUSBANDRY TECH CO LTD

Sand injection type inner wall polishing device suitable for different pipe diameters

The invention discloses a sand injection type inner wall polishing device suitable for different pipe diameters, and relates to the field of pipe inner wall polishing, the sand injection type inner wall polishing device comprises a rough polishing mechanism and a fine polishing mechanism, the rough polishing mechanism comprises a supporting workbench, a tool base and a long-distance polishing assembly, and a three-jaw chuck is rotationally arranged on the tool base; the long-distance grinding assembly comprises a lifting workbench, a long driving shaft and a grinding disc, the grinding disc is coaxially fixed to the long driving shaft, the long driving shaft is installed on the lifting workbench, and the long driving shaft has the rotation freedom degree and the freedom degree of moving in the axial direction of the long driving shaft. The fine polishing mechanism comprises sanding pipes and a polishing base, the two sanding pipes are arranged on the polishing base in the axial direction of the long driving shaft at intervals, a conical hole and a round hole are sequentially formed in one end of each sanding pipe in the axial direction of the sanding pipe, the small-diameter end of each conical hole communicates with the corresponding round hole, a pushing piston is arranged in the corresponding round hole in a matched mode, and the sanding pipes are connected with sand injection pipes and sand discharging pipes. And mechanical grinding and abrasive particle polishing are conducted in sequence, the polishing precision is improved, and the device is suitable for small-pipe-diameter polishing production.
Owner:SICHUAN UNIV JINCHENG INST

Laser cutting platform cleaning device

The invention discloses a laser cutting platform cleaning device which comprises a supporting frame, a driving chain shaft and a driven chain shaft are arranged on the supporting frame, the driving chain shaft and the driven chain shaft are in transmission through a supporting chain wheel and a supporting chain, a supporting plate is fixed to chain links of the chain, and supporting teeth are vertically installed on the plate. A cleaning assembly is arranged on one side of the supporting frame and is in linkage with the driving chain shaft through a speed changing assembly. The cleaning assembly comprises a cleaning supporting shaft, a cleaning frame, a cleaning shaft and a polishing fluted disc, the driving motor drives the polishing fluted disc to rotate through transmission of a belt and a chain, and the telescopic cylinder drives the cleaning frame to swing to adjust the positions of the polishing fluted disc and supporting teeth. The speed change assembly is engaged with the reduction gear set or the synchronous gear through switching of the clutch gear, and the two modes of low-speed grinding of the driving chain shaft and high-speed supporting tooth switching are achieved. The device further comprises a supporting guide rail, a sliding block, a protective cover and adjustable supporting legs. The device can automatically switch a supporting tooth cleaning mode and a rapid replacement mode, is compact in structure and meets different operation requirements.
Owner:SHIJIN COACH SHIYAN CITY

Bearing inner ring polishing device

The invention belongs to the technical field of bearing machining equipment, and particularly relates to a bearing inner ring grinding device which comprises a bottom plate, the upper surface of the bottom plate is fixedly connected with a first supporting frame, the interior of the first supporting frame is fixedly connected with a discharging frame, and the upper surface of the bottom plate is rotationally connected with a first rotating disc; a second rotating disc is rotatably connected into the first rotating disc, a clamping plate is slidably connected into the second rotating disc, the clamping plate comprises a transverse end, a grinding mechanism is arranged on the upper surface of the bottom plate and comprises a shell, a rotating plate is rotatably connected into the shell, and a shifting rod is fixedly connected to the lower surface of the rotating plate. The lower surface of the shell is rotationally connected with a grinding roller. According to the device, through reverse rotation of the bearing, the grinding roller makes more sufficient contact with the inner wall of the bearing, local over-grinding or under-grinding caused by one-way rotation is avoided, and the grinding effect is improved.
Owner:XINGHUA XINQIANGLONG STAINLESS STEEL PROD CO LTD

Metal plate cutting equipment

The invention relates to the technical field of plasma cutting equipment, and discloses metal plate cutting equipment which comprises a bottom frame, a cutting mechanism, a cleaning mechanism and a collecting mechanism, the cleaning mechanism comprises a mounting plate, a polishing plate, an extrusion spring, an abutting plate and a water cooling assembly, and the mounting plate is slidably connected to the bottom frame through the collecting mechanism; a mounting groove is formed in the mounting plate, the extrusion springs are fixedly connected to the bottom and the top in the mounting groove, the abutting plate is fixedly connected to the extrusion springs, the grinding plate is detachably mounted on the abutting plate, the collecting mechanism is used for collecting slag falling during grinding, and the cutting mechanism is used for cutting a metal plate. The cleaning mechanism is arranged to be matched with the collecting mechanism, after the metal plate is cut, slag and burrs on the upper surface and the lower surface of the metal plate are polished, the burrs and the slag on the surface of the metal plate are removed and collected, and therefore the situation that the burrs and the slag remain on the surface of the metal plate, and the subsequent plate machining quality is affected is prevented.
Owner:YANGZHOU LIANGJIN STAINLESS STEEL PRODUCTS CO LTD

Gas industrial furnace shell welding device

The invention relates to the technical field of furnace shell welding, in particular to a gas industrial furnace shell welding device which integrates a radial circular seam and an axial longitudinal seam, a servo motor drives a planetary gear train through an intermittent sheave, a rotating shell drives a clamped furnace shell to rotate, and radial welding is completed; after a bottom clamping jaw instantly locks a shell, power is switched to a planet carrier, an outer mounting arm drives a driven scraping arm to grind the inner wall while axially moving, welding and grinding synchronization is achieved, a bidirectional pushing seat crank sliding block mechanism continuously rotates in a one-way mode to push and pull the furnace shell in a two-way mode, whole-circle accurate grinding is achieved during resetting, and six sets of air cylinder lead screw adjustable clamping jaws conduct internal and external synchronous supporting. The outer supporting cylinder is prevented from deformation, secondary clamping is not needed in the whole process, butt joint of multiple sections of furnace shells is completed at a time, continuous filling of a longitudinal weld bead can be completed when a circular seam is still in a high-temperature plastic stage through instantaneous switching of clamping and stopping, and the welding quality of a T-shaped connector area is improved.
Owner:SHANDONG WANFANG KILN ENG TECH CO LTD

Grinding and polishing equipment for ball valve element and machining method of grinding and polishing equipment

The invention discloses grinding and polishing equipment for a ball valve element and a machining method of the grinding and polishing equipment, and belongs to the technical field of ball valve element machining. According to the technical scheme, the grinding and polishing equipment is characterized by comprising a supporting frame and further comprising a placement assembly, and the placement assembly comprises a lifting frame, a lifting device, a placement disc, a supporting shaft and rolling wheels; the grinding device comprises a first rotating shaft, a rotating frame, a universal shaft, a grinding disc, a grinding frame, a first electric telescopic rod and a second grinding piece, the universal shaft is installed on the rotating frame, the grinding disc is installed on the rotating shaft, the grinding frame is installed on the supporting frame, the first electric telescopic rod is installed on the grinding frame, and the second grinding piece is installed on the first electric telescopic rod. According to the grinding device, the outer surface of the valve element of the ball valve and the inner wall of the middle round hole can be ground at the same time, the grinding disc in the grinding device can grind the outer surface of the valve element, the second grinding piece can go deep into the round hole to conduct synchronous treatment on the inner wall, the grinding time is greatly shortened, and the working efficiency is remarkably improved.
Owner:ZHEJIANG QIUTE VALVE CO LTD

Hard alloy wear-resistant steel ball suitable for mine ore grinding and preparation method of hard alloy wear-resistant steel ball

The invention belongs to the field of metal materials, and provides a hard alloy wear-resistant steel ball suitable for mine ore grinding and a preparation method thereof.The hard alloy wear-resistant steel ball is prepared from waste steel pig iron as a basic raw material and chemical components including 2.1%-2.2% of C, 9.8%-10.0% of Cr, 0.10%-0.20% of V and 0.03%-0.06% of Ti; a core-shell precipitated phase microstructure design with MN / MCN as a hard core and chromium carbonitride as a gradient self-passivation shell layer is formed through medium-frequency induction furnace smelting, controlled nitrogen introduction establishment of a V-Ti-C-N microalloy system, bottom pouring solidification and austenitizing quenching and tempering heat treatment processes, and the performance indexes that the surface hardness is HRC60-63 and the core hardness is HRC54-58 are achieved; the average particle size of a core-shell precipitated phase is in dispersed distribution of 20-200nm, the shell thickness is 5-50nm, and the alloy steel ball has excellent wear resistance and corrosion resistance under the high-impact and high-wear working conditions of wet ore grinding, solves the problem of insufficient wear resistance and corrosion resistance of a traditional alloy steel ball, and has wide mine ore grinding application value.
Owner:LOUDI DINGYUAN INTELLIGENT EQUIP CO LTD

Steel plate surface defect detection and self-adaptive grinding system and method

The invention belongs to the field of robot polishing and metal material processing and manufacturing, and discloses a steel plate surface defect detection and self-adaptive polishing system and method, and the system comprises a surface defect detection system, a three-dimensional contour detection system, a roller bed control system, a robot polishing system and a server; the surface defect detection system is used for acquiring types and position information of defects; the three-dimensional contour detection system is used for accurately measuring depth information of the defect; the roller bed control system is used for controlling the movement of the roller bed to transfer the steel plate; the server is used for data interaction and storage among the surface defect detection system, the three-dimensional contour detection system, the roller bed control system and the robot grinding system; and the robot polishing system accurately polishes the surface defects of the steel plate according to the defect position and depth data in the server. The full-process intelligent operation of steel plate surface defect detection, defect three-dimensional contour scanning and robot self-adaptive grinding is achieved, and the automation level and the production efficiency of a production line are effectively improved.
Owner:TAIYUAN UNIVERSITY OF SCIENCE AND TECHNOLOGY

Curved surface local grinding and polishing trajectory planning method and grinding and polishing system

The invention provides a curved surface local grinding and polishing trajectory planning method and a grinding and polishing system, and relates to the technical field of grinding and polishing machining. According to the curved surface local grinding and polishing trajectory planning method, workpiece point clouds are collected, simplification and filtering are carried out, the number of effective voxels is reduced, and the operation processing efficiency is improved; the method comprises the following steps: extracting a damaged area, determining a grinding and polishing area according to the damaged area, planning the grinding and polishing area according to surface topography characteristics of a workpiece, constructing a grating path corresponding to the grinding and polishing area based on workpiece point cloud, and converting according to the grating path to obtain a workpiece grinding and polishing path so as to realize accurate and efficient grinding and polishing operation. Besides, the normal pressure of the grinding and polishing tool corresponding to the grinding and polishing path of the workpiece is calculated in combination with coupling of the surface curvature of the workpiece, the normal pressure of the grinding and polishing tool can be adjusted in real time, concave area force increasing and convex area force reducing are achieved, the over-grinding problem of the curved surface workpiece can be effectively avoided, and accurate grinding of the area boundary is achieved.
Owner:AIR FORCE UNIV PLA

Omnibearing grinding machine suitable for slender pipe

The invention discloses an all-dimensional grinding machine suitable for a long and thin pipe. The all-dimensional grinding machine comprises a rack, a contour grinding unit, an end face grinding unit and an inner hole grinding unit. On one hand, on the basis of position switching of the lower pressing wheel, the two contour grinding heads are used for grinding the slender pipe in sequence, grinding dead angles are effectively eliminated, contour grinding forming of the slender pipe can be achieved through one-time clamping, operation is easy, and the grinding efficiency is high; on the other hand, based on cooperation of the two contour grinding heads, positioning limitation can be synchronously formed in the axial direction of the slender pipe during grinding, axial deviation generated by contour grinding of the slender pipe is effectively reduced, comprehensive covering type grinding is achieved, the position precision of the slender pipe after contour grinding is ensured, the end face and an inner hole of the slender pipe can be conveniently and accurately ground in the follow-up process, and the grinding efficiency is improved. Therefore, the all-dimensional burr removal rate of the slender pipe is improved.
Owner:适新科技(苏州)有限公司

Grinding equipment for sintered neodymium-iron-boron magnet

The invention discloses sintered neodymium-iron-boron magnet grinding machining equipment, and relates to the technical field of neodymium-iron-boron magnet machining, the sintered neodymium-iron-boron magnet grinding machining equipment comprises a machining table, the machining table is provided with a grinding assembly, a clamping assembly, a steering adjusting assembly and a cooling assembly, and the clamping assembly is used for clamping a magnet body; the grinding assembly is used for achieving grinding machining of a magnet body, the steering adjusting assembly is used for achieving rotation of the magnet body and achieving multi-directional machining of the magnet body in a matched mode, and the cooling assembly is used for cooling treatment when the magnet body is machined, so that machining is more stable. A plurality of through grooves are formed in the machining table, and a waste collecting assembly is arranged in the machining table and used for collecting machined waste. The problems that in the prior art, a grinding mechanism is directly driven by a feeding mechanism to conduct grinding, the microstructure of a magnet is easily damaged, and the magnetic performance is reduced are solved.
Owner:ANHUI ONE MAGNET ELECTRONIC CO LTD

Clamp for accurate grinding of right-angle measuring tool workpiece

The utility model relates to a clamp for accurate grinding of a right-angle measuring tool workpiece. The clamp comprises a base, a pressing plate and a top plate. The base is L-shaped, a plurality of vacuum chucks are embedded in the bottom surface of the positioning groove at intervals, and the bottom of each vacuum chuck is connected to a vacuum generator; two limiting tables are arranged on the base, supporting blocks are fixed to the tops of the two limiting tables respectively, the two ends of the top plate are fixed to the two supporting blocks respectively, guide rods arranged in the vertical direction are fixed between the two supporting blocks and the top plate respectively, the pressing plate is located between the base and the top plate, and the two ends of the pressing plate are slidably connected to the two guide rods in a sleeving mode respectively; and the top plate is connected with a pressing driver. The base is matched with the pressing plate, the right-angle measuring tool to be machined is pressed and positioned under the combined action of the L-shaped upper clamping face and the L-shaped lower clamping face, and clamping is reliable; a vertical pressure is provided through a vacuum negative pressure adsorption force mode, so that the horizontal plane static friction force of the right-angle measuring tool to be machined is improved, and a workpiece is stably clamped on the clamp.
Owner:FUJIAN UNIV OF TECH

Uniformly-dispersed mixing equipment for graphite negative electrode production

The invention belongs to the technical field of graphite production equipment, and particularly discloses uniformly dispersed mixing equipment for graphite cathode production, which comprises a kettle body, the bottom of the kettle body is communicated with a discharge pipe, and the surface of the kettle body is communicated with a feed pipe; by means of a transmission system composed of the driving ring, the outer gear ring, the gear and the inner gear ring, differential motion is generated between the first grinding block directly driven by the rotating shaft and the second grinding block driven by the rotating ring with the speed changed through the gear, and the differential motion forms strong shearing force in the staggered area of the first grinding block and the second grinding block; the first grinding block and the second grinding block can effectively cut soft aggregate formed by graphite and a coating agent, and meanwhile, the gap between the first grinding block and the second grinding block is gradually reduced along with the distance away from the rotating shaft, so that when materials move outwards under the centrifugal effect, the materials can be subjected to the stage treatment process from coarse crushing to fine grinding, the dispersion uniformity is remarkably improved, uneven coating is avoided, and the service life of the materials is prolonged. And abrasion to equipment caused by one-time excessive grinding is effectively reduced.
Owner:ZHONGCHUANG GUOKAI (SHANDONG) NEW MATERIALS CO LTD

Automatic welding device for pipe piles

The present application relates to an automatic pipe pile welding device, which relates to the technical field of pipe pile welding. The device comprises a first fixed ring, a second fixed ring, a mounting frame, a welding gun, and a cleaning grinding head. The first fixed ring is mounted on the pipe pile via a first fixed oil cylinder, the second fixed ring is mounted on the pipe pile via a second fixed oil cylinder, the movable end of the second fixed oil cylinder is connected to a roller, two mounting frames are provided, the mounting frames comprise a support rod and a mounting slide, the support rod can slide relative to the first fixed ring and is connected to the second fixed ring, the mounting slide is slidably connected to the support rod, the welding gun and the cleaning grinding head are respectively connected to the two mounting slides, the mounting slide can fix itself to the support rod via a fixing assembly, the welding gun and the cleaning grinding head can adjust themselves to the welding working position via an adjusting assembly, and the mounting frame and the second fixed ring can drive themselves to rotate around the pipe pile via a driving assembly. The present application has the effect of improving the degree of automation of on-site pipe pile welding.
Owner:NENGJIAN GREEN HYDROGEN AMMONIA NEW ENERGY (SONGYUAN) CO LTD +1

Raw material crushing device for cereal meal replacement powder and crushing energy-saving control method

The invention relates to the technical field of grain grinding, in particular to a raw material crushing device for grain meal replacement powder and a crushing energy-saving control method. The method comprises the steps of firstly obtaining pressure data and vibration data of a raw material crushing device; further obtaining a change coefficient of each piece of pressure data according to the change characteristics of the pressure data with adjacent time sequences in combination with the offset characteristics of the pressure data and the minimum pressure data; further correcting the pressure data according to the variation trend of the vibration data at the same moment and the difference characteristic of the variation coefficient of the pressure data to obtain corrected pressure data; finally, the feeding depth is adjusted according to the fluctuation characteristics of the corrected pressure data, the problems of uneven pressure and mechanical jamming caused by one-time decompression are avoided, the raw materials are evenly treated in the scattering process, the mechanical load is reduced, energy is saved, and the scattering efficiency is improved.
Owner:山东阳平食品有限公司

Grinding-flotation collaborative process optimization method based on metal dissociation degree regulation and control

The invention relates to the technical field of mineral processing automation, and discloses a metal dissociation degree regulation-based grinding-flotation collaborative process optimization method which comprises the following steps: acquiring multi-dimensional sensor data in a grinding-flotation production process in real time; establishing a reference prediction model offline based on historical process data; in the online operation stage, the working condition drift state of the current process system is quantified and judged online; when it is judged that significant working condition drifting occurs, a residual compensation model is constructed online; and fusing the prediction result of the reference prediction model and the prediction result of the residual compensation model to generate a final process index prediction value. And based on the final process index predicted value, solving through an optimization algorithm, and generating a cooperative control set value. According to the method, the calculation cost and the data requirement of model maintenance are greatly reduced, and the response speed and the adaptive capacity of the system to the working condition change are remarkably improved, so that the long-term stability and reliability of the collaborative optimization effect are ensured.
Owner:LONGYAN UNIV

Inner hole grinding equipment for wind turbine generator gearbox planetary gear manufacturing

The invention relates to the field of gear machining equipment, and discloses inner hole grinding equipment for wind turbine generator gearbox planetary gear manufacturing, which comprises a shell and a grinding rod mounted in the shell, a mounting assembly is arranged at the upper end of the interior of the shell, and a clamping assembly is arranged at the upper end of the mounting assembly. The inner hole grinding equipment comprises a shell, a clamping assembly is arranged on one side of the shell, a detection assembly is arranged on one side of the clamping assembly, and the mounting assembly can be used for mounting the clamping assembly and the detection assembly and also can be used for adjusting the position of the clamping assembly and the detection assembly in the shell. According to the gear grinding device, the flatness of the end face of each gear can be detected, whether a pit, a protrusion and deformation exist in a grinding rod and whether a rotating shaft is horizontal or not are detected before each time of machining, therefore, the perpendicularity of the end face and an inner hole can be guaranteed, the situation of excessive grinding or not in place grinding is prevented, the use amount of cooling liquid can be reduced, and the installation space can be saved.
Owner:江阴市凯华机械制造有限公司

Coal mill feeding device

PCT designated stageWO2025208822A1Grain treatmentsCoal briquetteThermodynamics
A coal mill feeding device comprises: a screening assembly comprising a box, a feeding port formed at the top of the box, a discharge port formed at the bottom of the box, a screen plate and a receiving plate both arranged inside the box, and a plurality of screen holes provided in the screen plate; a drive assembly; and a feeding assembly. To ensure the uniformity of pulverized coal, the screening assembly is provided to perform coarse and fine screening on mixed coal briquettes, which enables batch feeding of the coal briquettes into the coal mill for grinding, thereby facilitating subsequent control of the grinding roller pressure and grinding duration based on the specific conditions of the coal briquettes. When an electric motor is activated, the screen plate performs screening while a barrier plate is lifted to effectively prevent the coal briquettes from splashing. After the screening is completed, a first air cylinder can be activated to drive a first push shovel to push the coarse coal for grinding, and at this point, the barrier plate is lowered to facilitate a material guide plate conveying the coal briquettes. After the grinding of the coarse coal is completed, a second air cylinder is activated to drive a second push shovel to push the fine coal for grinding.
Owner:HUANENG JIUQUAN POWER GENERATION CO LTD

Intelligent welding and grinding integrated manufacturing system and machining method thereof

The invention discloses an intelligent welding and grinding integrated manufacturing system and a machining method, and belongs to the technical field of intelligent manufacturing. The system comprises a conveying belt, a portal frame stretching across the conveying belt, and a welding unit and a polishing unit which are arranged on the portal frame. The welding unit comprises a welding cross-shaped moving assembly, a welding-cooling assembly installed on the welding cross-shaped moving assembly and a welding seam tracking system. The grinding unit comprises a grinding cross-shaped moving assembly and a grinding assembly installed on the grinding cross-shaped moving assembly. The core of the system is that a central control system in communication connection with all the components is arranged, and the central control system is configured to receive weld joint track data recognized by the weld joint tracking system, sequentially control the welding device to weld along the track, control the cooling device to forcibly cool the weld joint and control the grinding device to grind along the same track based on the same data flow. Through path unification and procedure integration, continuous automatic operation of welding and grinding is achieved, and the machining precision, the production efficiency and the product quality are effectively improved.
Owner:HUNAN UNIV OF SCI & TECH

Processing and cutting device for bone ash storage rack

The invention relates to the field of bone ash storage rack machining, in particular to a cutting device for bone ash storage rack machining. The invention provides a bone ash storage rack processing and cutting device which comprises a workbench, the workbench is fixedly connected with a supporting frame, the supporting frame is provided with a first electric push rod, the telescopic end of the first electric push rod is fixedly connected with a pressing block, the pressing block vertically slides on the supporting frame, the workbench is rotationally connected with a lead screw, and the lead screw is fixedly connected with the supporting frame. A servo motor is installed on the workbench, an output shaft of the servo motor is fixedly connected with a lead screw through a coupler, a guide frame is fixedly connected to the workbench, and the guide frame and the lead screw are arranged on the workbench side by side. By means of automatic tool changing, online grinding, precise limiting and rotary linkage, the problems that saw blades are fast in abrasion, complex to replace and poor in precision are solved; shutdown is reduced through automatic tool changing, and accurate butt joint is guaranteed through balance weight; the service life of the saw blade is prolonged through online grinding, grinding precision is guaranteed through a limiting and rotating mechanism, production efficiency and notch quality are improved, and the high requirement for bone ash storage rack machining is met.
Owner:JIANGXI TIANJING JINGZANG TECH CO LTD

Precise manufacturing method of special-shaped lens

The invention provides a precision manufacturing method of a special-shaped lens, a convex spherical surface and a concave aspheric surface are formed on the front and back surfaces of the special-shaped lens respectively, a chord plane is formed on each of the two sides of the special-shaped lens, and the method comprises the following steps: S1, performing rough grinding forming on set fitting spherical surfaces of the convex spherical surface and the concave aspheric surface of the special-shaped lens; s2, turning a concave aspheric surface; s3, after turning is completed, whether the concave aspheric surface is qualified or not is detected, if yes, the step S4 is executed, and if not, the step S2 is repeated; s4, discharging from the disc, cleaning the special-shaped lens, and protecting the concave aspheric surface by using a protective layer; s5, starting the numerical control machining center, and machining two chord planes by taking the convex spherical surface and the concave surface platform as positioning references; s6, a machine tool is started, the protected concave aspheric surface and the special-shaped matching tool are placed into a vacuum adsorption tool together, a polishing disc is installed, and a polishing program is started; and S7, detecting the surface shape precision and the surface smoothness of the convex spherical surface. According to the method, the edge breaking phenomenon during machining is effectively avoided, and the machining difficulty is reduced.
Owner:TIANJIN JINHANG INST OF TECH PHYSICS

Energy-saving electric grinding device for plugging agent production

The invention discloses an energy-saving type electric grinding device for plugging agent production, and relates to the technical field of grinding devices, the energy-saving type electric grinding device comprises a grinding box and a feeding bin, and further comprises a driving assembly; the driving assembly comprises a supporting frame, a driving motor, a small bevel gear and a large bevel gear. A heat dissipation opening is formed in the end of the driving motor, a heat absorption cover is arranged above the heat dissipation opening, and a heat conduction pipe is fixed to the end, away from the driving motor, of the heat absorption cover. A ventilation pipe made of metal is fixed to one side of the feeding bin, the air inlet end of the ventilation pipe is connected with the air outlet end of the heat conduction pipe, an electric heating wire is wound around the outer wall of the ventilation pipe, and the electric heating wire is wrapped with ceramic fiber cotton. A movable shaft is rotationally connected into the feeding bin; a plurality of uniformly distributed scattering plates are fixed on the side surface of the movable shaft; a rotating shaft is movably connected into the grinding box, and a grinding ball is fixed to the unoccupied end of the rotating shaft; and synchronous operation of material grinding and crushing can be achieved, heat dissipation is accelerated, meanwhile, material particles are dried, and the material grinding efficiency is improved.
Owner:XUZHOU QINGGONG NEW MATERIALS CO LTD

Cosmetic glass bottle surface polishing method and system

The invention discloses a cosmetic glass bottle surface polishing method and system, and the method comprises the steps: carrying out gradient mesh abrasive composite modification on a sand leather base material, and carrying out three-dimensional cutting according to the surface curve contour of a glass bottle through a laser cutting technology to form a composite sand leather polishing piece; the composite sand leather grinding piece is assembled at the executing end of a six-axis linkage mechanical arm, partition differentiated grinding is carried out according to the surface pollutant distribution density image recognition result, and a glass bottle rough blank obtained after preliminary grinding is obtained; performing synchronous purging on the surface of the glass bottle rough blank by adopting inert gas flow with a micro-bubble generation device, and controlling the composite sand leather polishing piece to perform micro-vibration at the same time, so as to obtain a glass bottle semi-finished blank; and the glass bottle semi-finished blank is placed in a sealed cavity to be sprayed, final polishing is carried out in cooperation with pulse type ultrasonic vibration, and a cosmetic glass bottle finished product is obtained. According to the embodiment of the invention, high-precision grinding of the curved surface of the glass bottle can be realized, and the surface cleanliness and the gloss uniformity are improved.
Owner:ZHEJIANG MEIYI PACKAGING TECH CO LTD

Steel formwork residual concrete polishing treatment device and method

The invention provides a steel formwork residual concrete polishing treatment device and method. The device comprises a bearing plate, a core treatment unit and an auxiliary treatment unit. A core supporting seat and two slidable auxiliary supporting seats are arranged on the bearing plate. The core processing unit comprises a core bearing assembly and a core grinding motor, the core bearing assembly is arranged on the core supporting base in a liftable mode, a core posture adjusting rotating shaft is arranged on the core bearing assembly, and the core grinding motor is arranged on the core posture adjusting rotating shaft. The auxiliary processing unit comprises an auxiliary bearing assembly and an auxiliary grinding motor, the auxiliary bearing assembly is arranged on the auxiliary supporting base in a liftable mode, an auxiliary posture adjusting rotating shaft is arranged on the auxiliary bearing assembly, and the auxiliary grinding motor is arranged on the auxiliary posture adjusting rotating shaft. According to the steel formwork residual concrete grinding treatment device and method, the steel formwork residual concrete grinding treatment efficiency and grinding treatment quality can be improved.
Owner:CCCC FIRST HARBOR ENGINEERING CO LTD +3