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695 results about "Machine material" patented technology

Intelligent cooling system and method of centerless grinding machine for difficult-to-machine materials

The invention relates to the technical field of industrial control, in particular to an intelligent centerless grinding machine cooling system and method for difficult-to-machine materials, and the system comprises a multi-source sensing unit, an edge calculation module, a decision center module, a precise execution module and a digital immune memory bank; compared with the defects that in the prior art, monitoring depends on a single temperature sensor, thermal field sensing is incomplete, thermal damage early warning lags behind and the like, according to the scheme, grinding power frequency spectrum, acoustic emission signals, triaxial vibration and coolant mass spectrum data are collected in real time through a multi-source sensing unit, and a micron-sized temperature field is reconstructed in combination with an edge end space-time diagram convolutional network; full-dimensional monitoring of the grinding thermal-mechanical coupling effect is achieved, and thermal anomaly recognition sensitivity and early warning timeliness are remarkably improved.
Owner:WUXI JIANHE NUMERICAL CONTROL MACHINE TOOL

Electrolytic arc milling composite numerical control machine tool control method and system for casing machining

The invention relates to the technical field of machine tool control, in particular to an electrolysis arc milling composite numerical control machine tool control method and system for case machining. The method comprises the steps that firstly, an electrolyte supply system, an electric arc generation system, a high-pressure water jet system and an ultrasonic vibration system are started in sequence, operation data are obtained, and rough machining parameters are calculated; in the rough machining process, the machining gap, the discharging state and the temperature are monitored in real time and compared with standard parameters, and correction values are calculated; after rough machining is completed and the electrolytic arc milling device is detached, the feeding speed and the spindle rotating speed are adjusted according to the correction value, and finish machining parameters are obtained; by electrolyzing electric arc corrosion materials and combining the synergistic effect of high-pressure water jet and ultrasonic vibration, efficient removal and accurate control of super-difficult-to-machine materials such as titanium alloy and high-temperature-resistant alloy in the machining process are achieved, and the machining efficiency and quality are improved.
Owner:GUANGZHOU TONGFA INTELLIGENT EQUIP CO LTD

Double-screw pump spiral casing molded line forming and milling device

The invention provides a double-screw pump helical casing molded line forming and milling device, which relates to the field of helical casing processing, and comprises a base, a driving screw, a fixed bracket and a movable table, a threaded cylinder is installed on the bottom side in the moving table, the driving screw is further in engaged connection with the threaded cylinder through threads, two sets of machining material driving shafts are rotationally clamped to the moving table, and supporting structures are further arranged on the lower sides of the foremost ends of the parts, with the large diameters, of the two sets of machining material driving shafts. Lifting structures are further arranged at the front ends of the small-diameter parts of the two sets of machining material driving shafts, the fixing support is fixed to the base, a double-end driving motor is installed at the rear end of the top of the fixing support, and two sets of milling cutter driving shafts are rotationally clamped to the inner side of the upper end of the fixing support; and the rear end of the milling cutter driving shaft is in transmission connection with a motor shaft at the rear end of the double-head driving motor. Two sets of spiral raw materials can be machined at the same time, the manufacturing cost is low, and the problems that an existing machining machine tool is high in investment and low in machining efficiency are solved.
Owner:ZICHEN PUMP IND (JIANGSU) CO LTD

Laser processing system and method for array micropores

The invention relates to a laser processing system and method for array micropores. The method comprises the following steps: selecting and preparing a chemical solution according to a to-be-processed material; determining the number of laser beams, the size of a galvanometer and machining parameters of each layer; a laser focus is positioned on the upper surface of the to-be-machined material, axial feeding machining is conducted on the first layer according to the determined machining parameters, the micropore morphology is obtained during machining, and machining of the next layer is conducted when set requirements are met; a laser focal plane is positioned to a machining plane after machining of the upper layer is finished, axial feeding machining is carried out on the current layer according to the determined machining parameters, machining of the next layer is carried out during machining when the micropore morphology meets the set requirement, and execution is repeated till the focal plane passes through the lower surface of the material to form a through hole; and the target material is moved to the next machining position, the laser beam is adjusted to the initial machining state, and repeated machining of the micropores is conducted. Through a variable-parameter layer-by-layer girdling technology, a focal plane is flush with the surface of a material to be processed, and light spot dispersion and energy density reduction caused by enlargement of laser light spots are avoided.
Owner:QINGDAO UNIV OF TECH +1

Bucket wheel machine material taking method, device and equipment based on image processing and medium

ActiveCN120097114AImage analysisInternal combustion piston enginesEngineering controlsMachine
The invention provides a bucket wheel machine material taking method and device based on image processing, equipment and a medium, and relates to the technical field of engineering control, and the method comprises the steps: carrying out the stereoscopic vision construction of an image in material pile image information according to a deep learning network, and obtaining a material pile three-dimensional model; a dynamic environment model is constructed based on the material pile three-dimensional model and the material pile dynamic change parameters, track planning is conducted on the initial position of the bucket wheel machine through the reinforcement learning technology, and the walking track of the bucket wheel machine is obtained; according to the walking track of the bucket wheel machine, the segmentation information in the material pile image information and the layering height in the material pile three-dimensional model, motion state prediction is conducted, and the rotation track of the bucket wheel machine around a cantilever is obtained; construction is carried out according to the walking track of the bucket wheel and the rotation track of the bucket wheel machine around the cantilever, and a material taking scheme is obtained by combining evaluation and optimization of historical material taking data, material type characteristics and stacking stability. The problems that the material taking efficiency is low, part of stacked materials are omitted or the materials cannot be effectively taken at all are solved.
Owner:阳城国际发电有限责任公司

Efficient chatter cutting method for difficult-to-machine materials

An efficient chatter cutting method for a difficult-to-machine material is provided, relating to the technical field of cutting processing. The method includes the following steps: installing a chatter tool bar on a machine tool, starting the machine tool, and inducing self-excited chatter for chatter cutting through cutting energy of a tool system; during chatter cutting, exciting the chatter tool bar to induce stable vibration, making the tool form a ratchet-shaped motion trajectory, the ratchet-shaped motion trajectory includes processes that the tool is pressed on a surface of a workpiece and the tool is separated from the surface of the workpiece, and forming a ratchet-shaped surface morphology on the surface of the workpiece; and during separation of the tool from the surface of the workpiece, enabling cutting fluid to enter a separated cutting zone for cooling and lubrication, and reducing cutting temperature.
Owner:BEIHANG UNIV

Milling-based dynamic mechanical property prediction method for tough difficult-to-machine material

The invention discloses a method for predicting dynamic mechanical properties of a tough difficult-to-machine material based on milling. The method comprises the following steps: firstly, optimizing and solving a normal shear angle of an oblique angle cutting shear plane through an iterative method: (a) setting an initial value of the normal shear angle; (b) calculating an undeformed chip thickness, a cutter instantaneous invasion angle, a cutting force component and a normal friction angle based on the normal shear angle initial value; (c) updating a normal shear angle calculation value; (d) calculating the error between the initial value and the calculated value of the normal shear angle, if the error is not within the allowable range, repeating the steps (a)-(d) until the error is within the allowable range, and outputting the final calculated value as the optimized normal shear angle; then, parameters such as the optimized normal shear angle are substituted into a related equation containing fracture toughness, yield strength and viscous toughness to solve the fracture toughness Gc of a workpiece material at a tool nose in the milling process, the yield stress sigma Y in a shear plane and the viscous toughness Ga of chip slippage at a tool-chip contact interface.
Owner:HUBEI UNIV OF TECH

Surface topography prediction method based on ball-end cutter model and variable-step iterative algorithm

The invention relates to a surface topography prediction method based on a ball-end cutter model and a variable step size iterative algorithm, which is based on the ball-end cutter model, combines and applies a dynamic variable time step size strategy, accurately divides cutting and non-cutting tracks, and remarkably improves the simulation efficiency and precision. Through multi-coordinate system dynamic modeling and a specific function, the eccentricity of the ball-end milling cutter is compensated, the abrasion is accurately modeled, dynamic physical coupling is combined, the actual machining state of the ball-end milling cutter is accurately simulated, the simulation precision and authenticity are improved, and the high-precision requirement of aerospace parts can be met. Meanwhile, through modular design, a complex curved surface tool path is accurately simulated, and through adjustment of evaluation parameter threshold values, the method can be expanded to surface topography prediction of various difficult-to-machine materials, process parameters are rapidly iterated, and the process optimization period is greatly shortened.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Particle reinforced composite material processing damage quantitative evaluation method based on local measurement and parameter correction

The invention provides a particle reinforced composite material processing damage quantitative evaluation method based on local measurement and parameter correction. The method comprises the following steps: firstly, scanning damage feature images at different positions of the surface of a machined workpiece, and calculating the area ratio of each damage size to a scanned local area through binarization processing to obtain the measured crack density, the particle breakage rate and the particle extraction rate; then, establishing a regression model of the damage characteristics, the processing material structure parameters and the processing technology parameters, and correcting the damage characteristic data by means of the regression model to enable the damage characteristic data to better conform to the actual damage conditions under different processing conditions; then, through weighted average and correction coefficients, the damage characteristics of the local area are expanded to the whole machining area, and a mathematical model among machining material structure parameters, machining process parameters and machining damage is established; and finally, comprehensively evaluating the crack density, the particle breakage rate and the particle pull-out rate to obtain a comprehensive damage evaluation value of the whole processing area. The method can effectively evaluate the quality of the machined surface.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS +1

Machining parameter determination method, machining equipment, machining system, medium and program product

The invention discloses a machining parameter determining method, machining equipment, a system and a medium, and relates to the technical field of machining equipment control, the machining parameter determining method comprises the steps that a machining breadth image corresponding to a machining equipment bearing table is acquired, and the machining breadth image comprises a to-be-machined material; identifying the processing breadth image, and determining the material type of the to-be-processed material; and obtaining a processing parameter group of the to-be-processed material based on the material type matching. The technical problem of poor processing effect caused by low matching degree between the processing parameters and the materials is solved, and the technical effect of automatically recommending the processing parameter group based on the materials is realized.
Owner:SHENZHEN MAKER WORKS TECH CO LTD

Processing equipment and processing method of quartz bracket for chip manufacturing process

The invention discloses machining equipment and a machining method of a quartz support for a chip manufacturing process, and belongs to the technical field of quartz support machining equipment.The machining equipment is characterized in that the machining equipment comprises a base and further comprises a supporting rod, a driving assembly, a bearing and a grinding assembly; the grinding assembly comprises a rotating disc, a loading disc, a clamping device, a lifting device, a supporting frame and a grinding device, the clamping device is arranged on the loading disc and used for clamping and fixing machined materials, the lifting device is arranged on a supporting rod, the supporting frame is installed on the lifting device, and a mounting plate is arranged at the position, corresponding to the loading disc, of the supporting frame. According to the quartz support machining device, the rotating disc is driven to rotate through the driving assembly, materials can be rapidly switched among the feeding station, the grinding station and the discharging station, the lifting device is matched to drive the grinding device to move up and down for grinding, machining of a quartz support can be efficiently and stably completed, and the machining automation degree and the machining efficiency are improved.
Owner:ZHEJIANG FULEDE QUARTZ TECH CO LTD

Water-guided laser-ultrasonic-mechanical composite energy field in-situ collaborative processing device and process thereof

A water-guided laser assembly and a precision machining assembly are fixed to the same side of a sliding plate of a vertical five-axis machine tool, an ultrasonic vibration platform is installed on a C-axis workbench of the vertical five-axis machine tool, and the water-guided laser assembly, the ultrasonic vibration platform and the precision machining assembly are controlled by an industrial personal computer to cooperate with each other; a positioning measuring head is adopted to realize relative compensation of the water jet and the cutter; the water jet cooling effect is utilized in water-guided laser processing to reduce the heat affected area and improve the processing quality; ultrasonic vibration auxiliary machining effectively reduces cutting force, inhibits the surface water return phenomenon, improves machining efficiency and prolongs the service life of a cutter; and precise machining (milling, grinding and drilling) is carried out, so that the machining size precision is accurately corrected, and the residual laser-induced damage layer is removed. Through multi-energy-field in-situ combined machining, collaborative optimization of technological parameters and coordinate compensation, the problems of insufficient precision, low efficiency, thermal damage and the like during machining of complex geometrical shapes and difficult-to-machine materials in a single machining technology are solved.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Automatic feeding and discharging mechanism

The utility model discloses an automatic feeding and discharging mechanism which comprises a bearing frame and further comprises a mounting frame and a movement mechanism, the mounting frame is arranged at the bottom of the bearing frame, the movement mechanism is arranged between the mounting frame and the bearing frame, and the movement mechanism comprises a supporting groove, a material box, a mounting plate, a bottom plate, a motor, a rotating plate, a connecting plate, a fixing base, a rotating shaft B, a swing arm and a balance weight arm. When the mounting plate moves towards one side of the material box, the material pushes the swing arm to drive the rotating shaft B to rotate, so that the swing arm inclines to normally penetrate through the bottom of the material to move to the other side of the material, then the mounting plate moves reversely, and the swing arm can make contact with the side edge of the material in the reverse movement process and smoothly push the material out of the material box for feeding. And the swing arm assembly located at the other end of the mounting plate pushes out the machined materials, automatic feeding and discharging treatment of the materials is achieved, the automatic feeding and discharging device is suitable for being used for plate-shaped materials, the feeding and discharging efficiency is improved, and manpower consumption is reduced.
Owner:GUANGZHOU JUNTIAN AUTOMATION TECH CO LTD

Titanium alloy thin-walled workpiece end milling process force-induced deformation prediction method considering tool wear

The invention relates to a method for predicting force-induced deformation of a titanium alloy thin-wall part in an end milling machining process by considering tool wear, and belongs to the technical field of cutting machining. The method comprises the following steps: firstly, constructing an annular cutter milling thin-wall part overall milling force model considering cutter wear; on the basis, a force-induced deformation model of the material removal effect in the end milling machining process of the thin-walled workpiece is established based on a small deflection deformation theory. The model can correct element stiffness matrixes at different feeding positions after materials are removed in the milling process of the thin-wall part, and rapid extraction of force-induced deformation of the thin-wall part is achieved. Finally, an iterative calculation method is adopted, and accurate prediction of cutting force and machining deformation at different feeding positions in the end milling machining process of the thin-walled workpiece is achieved. According to the method, the influence of cutter abrasion on the milling force when titanium alloy type difficult-to-machine materials are milled is considered, and the force-induced deformation predicted value after cutter abrasion in end milling of the titanium alloy thin-wall part can be accurately obtained.
Owner:DALIAN UNIV OF TECH

Multi-beam fusion deposition system and method thereof

The invention relates to a multi-beam fusion deposition system and method, in particular to a multi-beam fusion deposition system, an additive manufacturing method, a metal welding method and a metal cutting method. According to the multi-beam fusion deposition system, in the deposition machining process of additive manufacturing, metal welding, metal cutting and the like, the blue or green laser, the infrared laser and the pulse laser are matched with one another to act on the to-be-machined material in the deposition area in a synergistic mode, so that the laser absorption rate of the to-be-machined material is increased, and the deposition efficiency is improved. Energy waste in the deposition machining process is reduced, the machining efficiency is improved, the machining cost is reduced, meanwhile, the pulse laser beams can stir the preset molten pool formed in the to-be-machined material, convection is formed in the preset molten pool, energy distribution in the preset molten pool is promoted to dynamically change, components are evenly mixed, and the machining efficiency is improved. And meanwhile, bubbles can overflow from the preset molten pool, the deposition machining quality is effectively improved, and the machining defect rate is reduced.
Owner:HU NAN YUN JIAN JI TUAN YOU XIAN GONG SI

Digital twinning-based chatter prediction method for complex blade type cutter in machining process

The invention discloses a digital twinning-based chatter prediction method for a complex blade type cutter in a machining process, and the method comprises the following steps: S1, simulating a milling process of the complex blade type cutter based on a digital twinning model, and obtaining a meshing region CWE of the cutter and a workpiece in the machining process; s2, the rotation period of the cutter and a cutting edge participating in cutting are discretized, meshing information of the cutter and a workpiece in the machining process is extracted, and a chatter stability lobe graph of the complex-edge-type cutter under the given working condition is obtained through calculation in combination with the attribute of a machined material and the dynamic characteristics of the cutter; and S3, comparing the stability lobe diagrams of the cutters with different blade types, and selecting the cutter with the optimal blade type under the given working condition. According to the chatter prediction method for the complex blade type cutter machining process based on digital twinning, on the basis of a digital twinning model, calculation and analysis are conducted by dispersing the cutter rotation period and the blade in combination with the material and cutter characteristics, and a stability lobe graph is drawn.
Owner:SHANGHAI JIAOTONG UNIV

Material baffle of three-roller grinding machine

The utility model discloses a three-roller grinding machine material baffle which comprises a three-roller grinding machine body, an adjusting mechanism assembled at the top of the three-roller grinding machine body and a material blocking mechanism assembled at the bottom of the adjusting mechanism, and the adjusting mechanism comprises two installation seats which are fixedly installed at the top of the three-roller grinding machine body and are symmetrically distributed. And two movable seats which are symmetrically distributed are hinged to the top of the mounting seat. The utility model relates to the technical field of three-roller grinding machines. According to the material baffle of the three-roller grinding machine, the material blocking mechanism is arranged, a plurality of material blocking plates are clamped above a rotating roller, the material blocking plates can move along with the rotating roller, a guide plate is in a splayed inclined state, and when materials on the rotating roller are dispersed, the materials can be guided to the material blocking plates through the guide plate, so that the materials on the rotating roller are dispersed, and the material blocking effect is improved. And dispersed materials can be conveniently corrected to a grinding area on the rotating roller, and the situation that the materials cannot be guided back after material leakage is avoided.
Owner:SHENZHEN MAXWELL TECH CO LTD

Horizontal machine material moving trolley

A material moving trolley of a horizontal machine belongs to the technical field of fertilizer carrying trolley equipment of the horizontal machine, comprises a moving bottom plate, universal rollers, a supporting block, a supporting grip, a supporting device, a material supporting plate and a fixed handle, and is characterized in that the universal rollers are connected to four corners of the lower surface of the moving bottom plate respectively; a supporting block is connected to the middle of the edge of the right side of the upper surface of the movable bottom plate, a supporting grip is inserted in the middle of the upper surface of the supporting block, supporting devices are connected to the four corners of the upper surface of the movable bottom plate correspondingly, and a plurality of layers of material supporting plates are inserted in the middle of the position between the supporting devices. Fixed handles are symmetrically connected to the middles of the left side surface and the right side surface of each material supporting plate, a worker can disassemble the partition plates in the trolley according to the sizes of materials, the worker can quickly disassemble the partition plates at any time, and the partition plates can be disassembled without other auxiliary tools.
Owner:QINGDAO FEIYING BIOLOGICAL TECH CO LTD

Pushing mechanism of boxing machine

The utility model relates to a material pushing mechanism of a boxing machine, which can realize stable material pushing. The material pushing mechanism of the boxing machine comprises a material pushing moving seat, a paper pushing assembly and a plate pushing assembly. The paper pushing assembly comprises a paper pushing seat, a paper pushing head and a paper pushing roller, the paper pushing head and the paper pushing roller are both installed on the paper pushing seat, and the paper pushing seat is arranged on the material pushing moving seat in a sliding mode; the push plate assembly comprises a push plate seat, a push plate head and a push plate roller, the push plate head and the push plate roller are both installed on the push plate seat, and the push plate seat is arranged on the push moving seat in a sliding mode. The paper pushing mechanism is characterized in that the paper pushing head is connected to the swing rod, the two connecting arms are arranged in a front-back mode, and the swing rod is hinged to one ends of the two connecting arms; the other ends of the two connecting arms are hinged to the paper pushing base, a guide wheel is connected to the swing rod, a guide plate is arranged on the material pushing moving base, and a guide groove is formed in the guide plate. According to the material pushing mechanism of the boxing machine, the paper pushing head can downwards press a specification on a bubble cap plate in the process of pushing the specification forwards, and the bubble cap plate is prevented from being brought out after the plate pushing head pushes the bubble cap plate out.
Owner:ZHEJIANG HOPING MACHINERY

Telescopic casting machine receiving mechanism stable in operation

ActiveCN223097996UCastingMachine material
The utility model discloses a telescopic casting machine material receiving mechanism stable in operation, which comprises a stand column arranged on one side of a casting machine, a rotating component arranged on the stand column, a transferring component arranged on the rotating component, a material receiving component arranged on the transferring component and capable of moving back and forth under the driving of the transferring component. The rotating assembly can drive the transferring assembly to move up and down. The material receiving assembly can be driven to move on the rotating arm within a certain range through the arranged transferring assembly, the casting receiving device can adapt to material receiving work of castings at different positions, and the moving range of the material receiving assembly can be controlled through use of a travel switch. And in the transferring assembly, cooperation of a bull eye wheel and an arc-shaped groove is used, the stability of the material receiving assembly in the operation process is improved, meanwhile, a linear guide rail pair is added, and the stability of the material receiving assembly in the operation process is further improved.
Owner:JIANG SU TIAN DING FINE MASCH CO LTD

Method for continuously controlling material moisture content of loosening and dampening machine based on offline reinforcement learning of data enhancement

The invention discloses a method for continuously controlling the material moisture content of a loosening and dampening machine based on offline reinforcement learning of data enhancement, and relates to the technical field of tobacco shred making processes. By enhancing historical operation data, the coverage range of state action pairs is expanded, so that deviation caused by sparse samples is relieved. Weighted deviation of a future window is introduced into a reward function, and normal distribution processing is adopted with typical time delay as the center. The strategy network directly outputs the water adding amount at the next moment, and continuous fine control is achieved. On the basis of the enhanced data set, offline reinforcement learning with constraints is adopted for training, online trial and error or a simulation model is not needed, environment interaction risks and prediction model errors are avoided, distribution offset and value overestimation are restrained, and therefore a safe, stable and efficient control strategy is obtained.
Owner:KUNMING KSEC LOGISTIC INFORMATION IND

Control system of laser processing automation system

A laser processing automation system control system comprises a workshop manufacturing execution system, a warehouse management system, a warehouse control system and a numerical control laser cutting machine. The workshop manufacturing execution system is used for acquiring production task information and issuing the production task information to the warehouse management system and the numerical control laser cutting machine; the warehouse management system is used for receiving production task information and sending the production task information to the warehouse control system; the storage control system is used for conveying to-be-machined materials to a workbench of the numerical control laser cutting machine through logistics equipment according to production task information and conveying machined finished products to a sorting station; and the numerical control laser cutting machine is used for receiving the generation task information and carrying out laser processing on the to-be-processed material on the workbench based on the production task information. According to the laser machining system, automatic material preparation, automatic feeding and discharging and automatic laser machining can be carried out based on production tasks, and the problem that an existing laser machining system is low in efficiency is solved.
Owner:WUHAN FARLEY PLASMA CUTTING SYS CO LTD

Superhard cutter surface micro-nano structure preparation method based on ultrafast laser and cutter

The invention discloses a superhard cutter surface micro-nano structure preparation method based on ultrafast laser and a cutter. The method comprises the steps that a polycrystalline diamond cutter is fixed to a three-axis precision motion platform and precisely positioned and calibrated; after cleaning and online detection, parameters of the ultrafast laser are configured based on a result, and machining is executed; and evaluating the structure characterization of the generated laser-induced periodic surface. According to the method, thermal damage is avoided by means of the ultrafast laser near-cold machining characteristic, parameters are precisely regulated and controlled, a high-precision structure is efficiently prepared, the process is flexible and controllable, the limitation of a traditional technology is broken through, the tool performance is improved, a scheme is provided for cutting of aerospace materials difficult to machine, and non-damage microtexture preparation on the surface of the superhard tool is achieved.
Owner:XIAN LASER TRANSMISSION TECH CO LTD

Arc-edge bimetal band saw blade

The utility model discloses a double-metal band saw blade with an arc edge, which comprises a double-metal saw blade main body, and cutting teeth are continuously arranged on the side edge of the double-metal saw blade main body. Linear structures are arranged at the tops of the cutting teeth, arc structures are arranged at the positions, located on the side faces of the linear structures, of the tops of the cutting teeth, and the close positions of the linear structures and the arc structures are connected. The double-metal band saw blade with the arc-shaped edge has the advantages that the edge length of the arc-shaped edge is larger than that of a traditional sharp-corner edge, under the condition that the cutting amount per unit edge length is equal, the edge length of the arc-shaped edge is large, the removal amount of machining materials is large, and therefore the service life of the double-metal band saw blade is prolonged; compared with a sharp corner structure, the arc structure greatly reduces the stress concentration phenomenon of the blade part, reduces the brittleness of the blade part and improves the endurance of the blade part, and the saw blade is in slight running-in or even does not need to be in running-in during initial use, so that the stability of the saw blade can be improved, and the production efficiency is improved.
Owner:LIAONING PINMI IND CO LTD

Automatic positioning workbench and machining system

The invention relates to the technical field of machine tool workbenches, in particular to an automatic positioning workbench and a machining system.The automatic positioning workbench comprises a machining platform, a diagonal adjusting assembly and a plurality of limiting push blocks, and the diagonal adjusting assembly and the limiting push blocks are both arranged on the machining platform; the diagonal adjusting assembly comprises an adjusting clamping block and a driving part, the adjusting clamping block can clamp a preset edge of the to-be-machined material, and the driving part is in transmission connection with the adjusting clamping block to drive the to-be-machined material, so that one of the multiple limiting push blocks is attached to the first side wall of the to-be-machined material, and the other limiting push block is attached to the second side wall of the to-be-machined material; and the other one of the multiple limiting push blocks is attached to the second side wall of the to-be-machined material, and an edge formed by intersection of the first side wall and the second side wall is opposite to a preset edge. According to the automatic positioning workbench and the machining system, three-dimensional positioning of the materials is achieved, the positioning precision is improved, the operation efficiency is improved, and the automatic positioning workbench and the machining system have good adaptability to the to-be-machined materials of different sizes.
Owner:CHINA INNOVATION ACADEMY OF INTELLIGENT EQUIP CO LTD

High-quality machining method for small hole with large depth-diameter ratio and nearly zero taper

The invention provides a high-quality machining method for a small hole with a large depth-diameter ratio and nearly zero taper. Comprising the following steps: firstly, processing a conical bottom hole by using a femtosecond laser rotary cutting processing method, calculating the conicity of the bottom hole, selecting a proper light knife, calculating laser flux distribution on a flux line in a hole radius direction, determining a forming process of an ablation curve when an inclined laser beam irradiates an inclined hole wall of the bottom hole, and establishing an ablation curve prediction model; according to the hole diameter and the hole depth, proper machining parameters are selected, and the small hole with the large depth-diameter ratio and nearly zero taper is machined. In order to solve the problem that the taper is difficult to eliminate in the machining process of the large-depth-diameter-ratio small hole of the difficult-to-machine material, based on the femtosecond laser rotary cutting machining technology, the taper area material of the taper hole is eliminated by regulating and controlling the inclined light beam, the nearly-zero-taper formed hole is machined, the hole wall quality after femtosecond laser cold machining is high, and the machining precision is high. Theoretical and technical supports are provided for high-quality machining of large-depth-diameter-ratio nearly-zero-taper small holes of materials difficult to machine.
Owner:DALIAN UNIV OF TECH

Automatic integrated thread returning machine

ActiveCN223198208UElectric machineryMachine
The utility model discloses an automatic integrated tooth returning machine which comprises a supporting frame. A U-shaped frame is installed on the top side of the supporting frame, a lifting control structure is installed on the top side of the U-shaped frame, a thread returning motor is installed on the lifting control structure, and a thread returning structure is installed on the thread returning motor; when in use, a material is conveyed to the two positioning push blocks by utilizing a conveying line and is clamped and fixed by utilizing the two clamping jaws, and the material is positioned, at the moment, the thread returning motor and the pressing cylinder can be started at the same time, so that the threading die rotates while descending, the threading die is slowly sleeved on the material in the process, and thread returning processing is performed on the material; after machining is completed, the threading die ascends to be separated from the materials, meanwhile, the clamping jaw loosens the materials and starts the material pushing air cylinder, the machined materials can be pushed back to the conveying line again under the action of the material pushing air cylinder, and therefore positioning, automatic threading and stripping of the materials are achieved, and compared with manual operation, the production efficiency can be improved, and the manual operation time can be shortened.
Owner:WUHAN HENGTONGCHENG AUTO PARTS CO LTD

Ton bag shaping machine

The utility model discloses a ton bag shaping machine, which belongs to the technical field of shaping machines and is characterized in that a supporting plate is fixed in a top frame, two connecting plates are arranged at the bottom end, supporting rods are fixed at four corners of the bottom end, a straight plate is fixed at the bottom end of the supporting plate, a disc is arranged between the two connecting plates, and two ends of the disc are fixed on the side surfaces of the supporting rods; the disc is fixedly connected with the two connecting plates through supporting rods, sliding rods are connected to the bottom ends of the two straight plates, bearing plates are fixed to one ends of the two sliding rods, straight rods are fixed to the other ends of the two sliding rods, grooves are formed in the inner sides of the two bearing plates, and moving rods are fixed to the bottom sides of the two straight rods through two round rods. A fixing plate is fixed to the bottom end of the disc through two fixing rods, two first screws are connected to the bottom end of the fixing plate through a double-head motor, the two first screws are connected with the two moving rods correspondingly, and a beating plate and a beating driving mechanism are arranged in the groove; by using the tonnage bag shaping machine, tonnage bags can be flapped, insufficient loading of partial positions of the tonnage bags is avoided, and it is guaranteed that discharging work of the tonnage bags is smoothly carried out.
Owner:JIANGSU GAOYI AUTOMATION TECH CO LTD

Dimple speed regulation device and method based on two-stage speed regulation valve

The invention discloses a dimple speed regulation device and method based on a two-stage speed regulation valve. The dimple speed regulation device comprises an integrated set sensing switch, a wireless pilot controller, the two-stage speed regulation valve and an assembly of the two-stage speed regulation valve. According to actual working conditions on site, dimple speed adjustment of a semi-automatic drilling and dimple integrated tool or a manual dimple tool is achieved, and meanwhile dimple surface quality and hole making efficiency are guaranteed. During dimpling operation, the integrated set sensing switch of the device needs to be installed on a semi-automatic drilling and dimpling integrated tool or a manual dimpling tool, a high-speed mode is started during drilling, the device is switched to a low-speed mode according to the vibration condition of the tool during dimpling, and the dimpling rotating speed of the tool is limited; when a manual dimple tool is used for machining a composite material, the device starts the tool in a low-speed mode when a dimple drill does not make contact with a machining material, the device is switched to a high-speed mode according to the vibration condition of the tool after making contact with the material, the device is switched to the low-speed mode when a tool retracts to be separated from the material, and low-speed advancing and retreating and high-speed dimple are achieved.
Owner:AVIC XIAN AIRCRAFT IND GRP CO LTD

Automatic cleaning device for distributing round roller of sintering machine

The utility model belongs to the technical field of sintering machine material distribution round rollers, and particularly relates to an automatic cleaning device of a sintering machine material distribution round roller, which comprises a sintering stock bin, a cleaning component, a material distribution round roller, a material distribution round roller cleaning component, a material distribution round roller cleaning component, a material distribution round roller cleaning component and a material distribution round roller cleaning component, and is characterized in that the material distribution round roller cleaning component is arranged right below the sintering stock bin; the sweeping assembly comprises a scraping assembly with the scraping length capable of being adjusted. And the adjusting assembly is used for adjusting the position of the scraping assembly and is arranged on the sintering stock bin. The automatic cleaning device has the advantages that when materials remain on the material distribution round roller of the sintering machine, the material distribution round rollers of various sizes of the sintering machine can be automatically cleaned, and the use flexibility is improved.
Owner:JIANGSU HANGRUI INTELLIGENT EQUIPMENT CO LTD