412 results about "Workmanship" patented technology

The invention provides a workpiece machining path compensation method and system based on multi-vision cooperative localization, and relates to the technical field of workpiece machining.The method comprises the steps that a compensation reference coordinate system of a workpiece machining path is established; determining a theoretical machining path of the workpiece according to the CAD model and the process planning of the workpiece, and mapping the theoretical machining path to the compensation reference coordinate system; performing global coarse compensation on the theoretical processing path to generate a global compensation amount and a global compensation path; performing local compensation on the global compensation path according to the local point cloud to obtain a local compensation amount and a local compensation path; according to the cutting parameters of the workpiece, the local compensation path is subjected to flexibility compensation, and the flexibility compensation amount is obtained; under the compensation reference coordinate system, compensation quantity fusion is carried out on the global compensation quantity, the local compensation quantity and the flexibility compensation quantity, and a final compensation path is generated; and executing the final compensation path. According to the method, the execution precision and stability of the machining path and the adaptability to complex machining working conditions are remarkably improved.

The invention discloses a machining method of an eccentric mandrel, and belongs to the technical field of machining. The machining method comprises the machining steps that firstly, a certain process length is reserved for the two ends of a blanked blank; 2, roughly turning reference outer circles at two ends of the blank, and reserving process steps on the outer circle of the middle section of the blank; step 3, milling reference flat parts on the reference excircles at the two ends of the workpiece, and milling symmetrical key grooves on process steps; fourthly, an eccentric hole is drilled in the end face of the workpiece, and a small outer circle corresponding to the eccentric reference is milled; step 5, carrying out top turning on reference small outer circles at the two ends; sixthly, the process step of the workpiece is sleeved with an eccentric sleeve clamp, the eccentric sleeve clamp is supported by a center frame, an inner hole is machined in the eccentric hole, and the inner hole is coaxial with the small outer circles at the two ends and eccentric with the large outer circle; and seventhly, the reserved process length and process steps of the workpiece are removed through finish machining. When a long-shaft eccentric inner hole is machined, clamping and dismounting can be conveniently and rapidly achieved, and damage to a machine tool spindle can be reduced to a certain degree.

The embodiment of the invention discloses a numerical control machine tool adjusting method and device, electronic equipment and a computer readable medium. A specific embodiment of the method comprises the following steps: collecting initial machine tool data of a numerical control machine tool through an edge gateway; workpieces produced by the numerical control machine tool are detected, and workpiece detection data are obtained; binding the initial machine tool data with the workpiece detection data to obtain workpiece production quality data; based on the standard workpiece data information, performing production quality evaluation on the workpiece production quality data to obtain a dimensional deviation ratio and a cutting stability index; in response to the situation that the size deviation ratio and / or the cutting stability index do not reach the preset standard value, correspondingly machined appliance parameter data are searched in a preset technology knowledge base; converting the appliance parameter data into a machine tool execution instruction; and writing into a control system of the numerical control machine tool to process the workpiece. According to the implementation mode, the numerical control machine tool can adjust the parameters in real time according to the quality of the workpiece, and the machining quality and the yield of the workpiece are improved.

The invention discloses a gear machine tool expert system construction method based on a generative rule, and the method comprises the steps: firstly carrying out the multi-dimensional modeling of a gear and a machine tool through an object-oriented technology, enabling a gear model to distinguish the characteristics of an axis position, a tooth curve and the like through an interface, and enabling a machine tool model to distinguish the machining technology and the precision grade through an interface; secondly, establishing a generation type rule mapping system from geometric, precision, material and functional attributes of the gear to machine tool movement, precision, process and rigidity attributes; finally, an intelligent reasoning system including forward reasoning, reverse verification, conflict coordination and self-learning iteration is constructed, and automatic and accurate matching from gear design requirements to machine tool optimization configuration is achieved. According to the method, the problems of high subjectivity and low efficiency caused by dependence on expert experience in the prior art are solved, and knowledge-driven intelligent decision making is realized.

Provided in the embodiments are a machining monitoring method, a machining monitoring apparatus, a computing device and a computer-readable storage medium. By acquiring first information of a first machining process in real time, retrieving a model in a model library on the basis of the first information, and matching a physical model having second information identical to the first information, the matched physical model characterizes a second relationship between material removal characteristics and specific cutting energy, thereby eliminating the influence of tool types and workpiece materials, and reflecting the machining characteristics of a second machining process; by comparing a first relationship with the second relationship, the differences between the first machining process and the second machining process are obtained to provide monitoring suggestions; and since the first relationship and the second relationship are acquired on the basis of the material removal characteristics and the specific cutting energy, and a monitoring threshold value is generated without using a signal strongly correlated with process conditions to perform learning, the method is well-suited for various machining scenarios.

The invention provides a method for automatically compiling an assembly process procedure based on CATIA and EXCEL secondary development, and the method comprises the steps: building a standard part library, compiling a procedure template, determining process connection information, selecting drilling and connection working conditions, and finally compiling the procedure according to the determined drilling connection point information. According to the method, by specifying the part drawing number, automatically screening the drilling connection information related to the specified part in the mathematical model and automatically counting the number of the standard parts, the time for selecting, copying, pasting and sorting by technicians is saved, the problems of missing selection, wrong selection and wrong counting of the number of the standard parts are solved, the one-time passing rate of regulation compiling is increased, and the working efficiency is improved. Wait waste in the production process is avoided, and the assembly efficiency is improved.

The invention relates to the technical field of grinding and polishing, and particularly provides a self-adaptive polishing method and a self-adaptive polishing device.The self-adaptive polishing method comprises the steps that a removal function is determined according to grinding and polishing process parameters of a target workpiece; performing iterative calculation according to the removal function and the target removal amount of the target workpiece to obtain corresponding predicted residence time and predicted residual error; wherein the target removal amount is calculated according to the current surface shape of the target workpiece and the target surface shape; under the condition that the predicted residual error does not conform to a preset error range, new grinding and polishing process parameters are set, a new removal function is determined, and the predicted residence time and the predicted residual error corresponding to the new removal function are obtained through calculation; and grinding and polishing the target workpiece according to the predicted residence time. The grinding and polishing precision and the grinding and polishing efficiency are effectively improved, and it is guaranteed that the machining quality of the target workpiece is high.

The present application relates to the technical field of numerical control processing, especially to the technical field of numerical control processing of aircraft joint parts and cylindrical parts. A kind of multi-surface numerical control processing technology of joint parts and cylindrical parts includes the following steps: step one, making part bottom plane positioning hole;Step two, fix the positioning clamping device on the machine tool rotary worktable;Step three, joint parts and cylindrical parts rough machining preparation;Step four, joint parts and cylindrical parts rough machining;Step five, machine tool rotation accuracy automatic detection and compensation;Step six, re-determine the processing datum of the part;Step seven, joint parts and cylindrical parts finishing;Step eight, finishing of the double-ear precision groove of the part;Step nine, finishing of the double-ear precision hole of the part;Step ten, fitter cuts off process boss and polishes it.The present application has the following advantages:1, ensures the part processing precision, processing efficiency and processing stability;2, simplifies the process scheme of part processing.

The application discloses a multifunctional metal product processing device, and relates to the technical field of metal product processing, which comprises a machine tool, a flexible clamping assembly is arranged in the machine tool, a multifunctional disc is arranged on the inner cavity side wall of the machine tool, a plurality of telescopic assemblies are arranged on the multifunctional disc, a stable clamping assembly is arranged at one end of the telescopic assembly, and an air pump in communication with the flexible clamping assembly and the stable clamping assembly is arranged at the top end of the machine tool; the flexible clamping assembly comprises a clamping sleeve and a clamping plug-in sleeve, and the clamping sleeve and the clamping plug-in sleeve are telescopically arranged on the side wall of the machine tool; the application solves the clamping problem of special-shaped workpieces through bidirectional flexible clamping, can quickly switch the clamping assembly, adapts to various processing technologies, integrates multiple processing procedures, realizes one-time clamping of workpieces and full-sequence completion, improves processing efficiency and precision, reduces the cost of type change, and adapts to diversified special-shaped metal product processing requirements.

The utility model discloses a workpiece rotating device, including floor, the upper end fixed mounting of floor has the interface board, the upper end fixed mounting of interface board has the foot bolt, the upper end center fixed connection of foot bolt has the rodless cylinder, and the both sides fixed connection of rodless cylinder has the slide rail, the inside fixed of slide rail has and inserts the mouth, the upper end fixed connection of slide rail has the sliding block, and the inside fixed mounting of sliding block has the lock nail seat, the inside fixed mounting of lock nail seat has the fixed nail, the upper fixed mounting of sliding block has the receiving station, to solve the hosiery setting machine that the above -mentioned background art proposes is the equipment that is used specially for this craft, but the mechanism of setting machine mobile die carrier is the long strip shape structure, and the space is big to the longitudinal occupation, and the workpiece passes through the chain structure and drives the die carrier to move, and the chain structure is relatively complex, when the chain damage needs the maintenance, and the cost is higher, lead to the problem of hosiery production and maintenance cost increase.

The application discloses a heat radiator profile cutting and rotating processing integrated process and relates to the heat radiator profile processing technical field.The process comprises the following steps: S1, feeding; S2, clamping and positioning; S3, cutting; S4, reference detection and compensation; S5, boss processing; and S6, unloading.The cutting, reference detection and compensation and boss processing are integrated in the same station, the double steel saws are arranged in series, the non-contact sensor is used for on-line detection of the cutting end face, the rotating reference and the sawing starting position are compensated in real time, the profile cutting and the high-precision processing of the end boss are completed once clamping is achieved, the transfer link in the traditional segmented processing is eliminated, the workpiece bump damage is avoided, the processing precision and the good product rate are obviously improved through the closed-loop control mechanism, and the flexible processing of various boss shapes such as the circular shape and the polygonal shape can be adapted.

This process is used for machining conical wooden workpieces with longitudinal sides that are angled to each other and curved along their length. A first planing tool is used to plane one longitudinal side along the curve of that side, while a second planing tool is used to plane the opposite longitudinal side (in the direction of travel) along this same curve, overlapping the two planes to achieve the desired taper. This is accomplished by adjusting the position of the second planing tool relative to the first, perpendicular to the workpiece's direction of travel, as the workpiece passes through the machine. The longitudinal sides of the workpiece are planed in such a way that they retain their curve after the planing process. Because the machining process follows the curvature of the workpiece, minimal wood waste is generated, resulting in optimal wood yield.

The utility model relates to the field of jigs, in particular to a jig platform leveling device. The utility model provides a jig platform leveling device which comprises an installation bottom plate, locking blocks, ball screws, adjusting blocks and a jig plate, the bottom of the installation bottom plate is connected with the locking blocks distributed front and back in a bilateral symmetry mode, the outer side faces of the locking blocks are connected with the ball screws in a threaded mode, and the adjusting blocks distributed front and back are connected in the installation bottom plate in a bilateral symmetry and sliding mode. The inner ends of the ball head screws are in contact fit with the adjusting blocks, and a jig plate is placed on the mounting bottom plate. Through the combination of the lifting devices with the four independent corners and the ball head screws, the jig platform achieves accurate fine adjustment of the height, the levelness error is controlled within an extremely small range, and it is ensured that machining and detection work meets the high-precision requirement, so that the product quality and the process stability are improved, and the production efficiency is improved. And an operator can quickly and independently adjust each corner only by rotating the ball head screw, and complicated tools or professional skills are not needed, so that the leveling process is simplified.

The invention relates to an additive manufacturing workshop operation management and control system based on a digital twinning technology, and belongs to the technical field of intelligent manufacturing, the additive manufacturing workshop operation management and control system comprises a management and control platform and a digital twinning system, and the digital twinning system comprises a task management agent, a printing station agent, a resource agent and a workshop digital twinning model. The workshop digital twin model senses data generated by the task management agent, the printing station agent and the resource agent and updates a virtual workshop state based on the sensed data, and the task management agent generates work orders for corresponding accessories in batches, so that the characteristic of additional material printing is better fit; the printing station intelligent agent prediction model identifies the formula parameters corresponding to the current to-be-executed step, outputs the predicted molten pool state and optimizes the process parameters of the abnormal molten pool state, and compared with the prior art, the problems that virtual mapping of a physical workshop is not comprehensive, and the printing state is abnormal and lacks prediction capacity are solved.

The invention provides a station-level production task generation method for a ship manufacturing workshop. The method is applied to the field of general control systems, and comprises the following steps: extracting process characteristic parameters in structured model data; obtaining real-time data of a workshop, and calculating a processing load value corresponding to each process characteristic parameter according to the real-time data of the workshop; setting a capacity adaptive threshold value, and matching a corresponding station type and a working group based on a comparison result of the processing load value and the capacity adaptive threshold value; according to the process adaptation range of the station type and the operation capability of the working group, dividing production batches and distributing station resources, and generating an initial station-level production task; and acquiring execution data of the initial station-level production task in real time, calculating a task execution deviation rate based on the execution data, dynamically adjusting a productivity adaptive threshold value or resource allocation of production batches according to the task execution deviation rate, and outputting the optimized station-level production task. Therefore, the production task generation efficiency is improved.

The invention provides a machining performance prediction method, a program product, equipment and a medium, and the method comprises the steps: obtaining a real-time machining physical quantity and a real-time machining condition in a machining process, the real-time machining physical quantity comprises a real-time main shaft rotating speed, and the real-time machining condition comprises a real-time workbench position; determining a process database based on the real-time processing condition and the real-time processing physical quantity; determining a machine tool model based on the real-time workbench position, wherein the machine tool model comprises an inherent frequency set when a machine tool is located at the real-time workbench position; determining the machining force in the machining process according to the process database; and the machining force and the real-time main shaft rotating speed act on the machine tool model, and the machining performance of the machining process is predicted.

The stereoscopic assembly wiring tool described in the application belongs to the field of logistics sorting and automation equipment. A special tool and assembly means with lower cost, light weight and higher adaptability are proposed to achieve the purposes of simplifying the wiring process, reducing the operation workload and difficulty, and improving the wiring assembly efficiency and precision. A group of bottom frames are provided, two groups of side frames are supported and connected above the bottom frames, a group of side wall cross braces are horizontally connected between the two groups of side frames, the bottom frames, the side frames and the side wall cross braces are connected to each other to form a support frame; a group of top plates are horizontally connected between the top ends of the two groups of side frames, support plate assemblies are connected between the adjacent two groups of side wall cross braces and the two groups of side frames at the same height, a bottom plate is arranged on the bottom frame, and a plurality of side plate assemblies are arranged on the side frames.

The application belongs to the technical field of general devices for metal heat treatment, and particularly relates to an automatic heat treatment equipment and method based on a belt pulley, aiming at low comprehensive utilization rate of the equipment and reliance on manual alignment for clamping, which not only increases labor intensity of workers, but also affects overall processing efficiency, and the following scheme is proposed, including a bearing tool cabinet. The automatic heat treatment equipment and method based on the belt pulley has the heat treatment module adopting a multi-station design, realizes spatial parallelism and time overlap of processes such as feeding, heating and quenching, makes the core process unit continuously work, eliminates idling, significantly improves equipment utilization rate, automatically runs in the whole process, only needs manual batch feeding and monitoring, greatly reduces manual intervention and labor intensity, adjusts the clamping range through a program, can adapt to belt pulleys of different sizes without replacing clamps, quickly responds to multi-variety and small-batch orders, and further improves productivity with extremely short changeover time.

The present application relates to resource scheduling technical field, specifically to a kind of intelligent manufacturing platform production resource scheduling method and system, method includes the following steps, in five-axis machining center idle waiting period analysis equipment operation record, obtain spindle cumulative running time, calibration interval, coolant ratio and tool cutting mileage form equipment state characteristics, receive after extracting process requirement and risk weight form sensitivity parameter set after waiting to transfer task, calculate task equipment quality risk index, filter idle equipment below threshold and issue scheduling instruction.In the present application, by the joint quantification of equipment state and task sensitivity, the spindle thermal deformation, coolant ratio deviation and tool wear are included in the task transfer risk judgment, which changes the replacement equipment selection from static capability matching to quality risk matching, avoids the state mismatch causing processing precision drift and surface quality decline, reduces the rework scrap rate, reduces the plan disturbance, improves the scheduling decision accuracy and production continuity.

The utility model belongs to tool processing equipment technical field, concretely relates to a five -axis automatic numerical control whetstone equipment, including frame and setting longitudinal transmission sliding table mechanism and polishing mechanism on the frame, polishing mechanism corresponds with angle adjusting mechanism, angle adjusting mechanism sets up on horizontal transmission sliding table mechanism, horizontal transmission sliding table mechanism perpendicularly sets up on longitudinal transmission sliding table mechanism. The utility model discloses through the cooperation and cooperation of longitudinal transmission sliding table mechanism, horizontal transmission sliding table mechanism, polishing mechanism and angle adjusting mechanism, need only to clamp once to the workpiece to be polished, can complete the precision polishing processing of various complex blade type. This integrated design not only improves the machining quality and consistency of tool blade type significantly, but also improves the production efficiency greatly. Through multi -axis linkage control, this equipment can adapt to the tool blade type polishing demand of different shapes and angles, has extensive process adaptability and excellent machining effect.

The invention discloses a microstructure cutter cutting modeling method and system based on a preorder preparation process, and the method comprises the steps: building microstructure features in a manner of carrying out ultrasonic ploughing machining on a first workpiece geometric model for solving the problems of a current microstructure cutter cutting simulation modeling method; the microstructure features are integrated into the complete cutter model to obtain the precise complete microstructure cutter model, so that the problem of low simulation precision caused by model simplification or inaccurate surface topography acquisition in the cutting simulation of the microstructure cutter is effectively solved. Meanwhile, factors such as the real roughness of the surface of the microstructure tool and the complexity of the geometrical shape are considered, the interaction between the microstructure surface and the workpiece is accurately simulated, the design and machining parameters of the microstructure tool can be optimized, the machining error is reduced, and the machining quality and efficiency are improved.

The invention relates to the technical field of machining, in particular to a machining method of a support bearing, which comprises the following steps: after finish turning of the support bearing, sequentially carrying out rough grinding of an inner hole, accurate grinding of an outer circle and an end surface, accurate grinding of a large end surface by adopting a surface grinding machine, final accurate grinding of the inner hole and milling of an oil wedge surface. According to the method, the traditional process route of'reference in advance 'is changed, clamping scratches before final accurate grinding of the inner hole are effectively avoided, and the stability of the roughness of the large end face is guaranteed through surface contact machining of a surface grinding machine; and meanwhile, temporary coloring treatment is conducted on the large end face obtained after accurate grinding, a visual contrast layer easy to identify is formed, the problems of inner hole scratches, end face roughness fluctuation and machining reflection interference are effectively solved, and the machining quality, consistency and production efficiency of the supporting bearing are improved.

The invention discloses a cross-workshop scheduling and process planning integration method based on flexible production, which belongs to the field of intelligent manufacturing and comprises a factory module, a forging and pressing workshop module, a cross-workshop transportation module and a machining workshop scheduling and process planning module. The factory module firstly generates an initialized scheduling population according to forging, vehicle transportation and machining information of all orders, and forging workshop coding information is input into the forging workshop module. The forging and pressing workshop module carries out scheduling and production scheduling solving in a forging and pressing workshop according to forging and pressing workshop coding information and order forging and pressing information, and the cross-workshop transportation module carries out integration and batching according to the completion sequence and the time sequence of all orders in the forging and pressing stage to obtain the transportation completion time of each batch. And transmitting the workpiece information of each batch and the transportation completion time to a machining workshop scheduling and process planning module to obtain the processing completion time and production energy consumption of all orders, and finally determining an optimal workshop allocation scheme and a cross-workshop transportation scheme.

The utility model discloses a cutting plate side edge polishing device in the related technical field of plate processing equipment, which comprises a rack and a polishing head, a working table is fixedly connected on the rack, a reinforcing rib is arranged between the working table and the rack, a guide strip is embedded in the working table, a guide frame is sleeved on the guide strip, and the polishing head is arranged on the guide frame. A process groove is formed in the workbench, the polishing head is embedded in the process groove, a driving frame is arranged below the polishing head, and a transmission lead screw is embedded in one end of the driving frame. Through the design of the polishing motor and the polishing head, the labor intensity of workers is greatly reduced, the production efficiency is improved, practicability and economical efficiency are good, through the design of the guide frame, the driving motor and the laser sensor, the board polishing device is suitable for boards of different sizes, meanwhile, the two sides can be polished at the same time, the automation degree is high, and the production efficiency is improved. The production efficiency is high, and the practicability and economical efficiency of the device are further improved.

The invention provides a screw heading device and a machining process thereof. The screw heading device comprises a workbench, a gearbox, a rotating part, a feeding assembly, a stamping assembly, a shearing assembly, a driving shaft and a first driving part. According to the invention, the rotating part is matched with the four stations, so that the pre-stamping process and the feeding process are carried out at the same time, and the phenomenon that a blank is transferred to a stamping station by a clamping mechanism to carry out pre-stamping operation in the prior art is eliminated; in order to solve the problem that the upper limit of efficiency is easily caused due to the fact that a clamping mechanism can reset only in the pre-punching process, the pre-punching process and the feeding process can be independently and simultaneously carried out, the punching process and the feeding process do not influence each other, and the upper limit of machining efficiency is improved to a great extent; and a single-driving-source linkage design is adopted to replace an existing multi-independent-driving-source scheme, so that the problem that the existing multi-driving-source cooperation precision is insufficient is structurally solved, unsmooth procedure connection caused by action time sequence deviation of all driving pieces is avoided, and the operation stability and the production continuity of equipment are remarkably improved.

To provide a work allocation device for performing work allocation in which a work load is reduced and work time of each worker is leveled when a person and a robot coexist as workers.SOLUTION: The work assignment device 100 includes an information acquisition unit 11 that acquires work information, layout information, and worker information, a placement position candidate generation unit 12 that uses the work information, the layout information, and the worker information to generate a placement position candidate in which positions of a plurality of work elements set according to a process layout and workers performing work at the positions of the work elements are placed, and calculates an inter-element distance that is a distance between a placement position of each worker in the generated placement position candidate and a position of a work element performed by each worker, an objective function generation unit 13 that generates an objective function including a value related to a work time, a value related to a work load, and a value related to the inter-element distance as parameters, and a control unit 10 that includes a work assignment unit 14 that assigns each work to a worker so as to minimize or maximize the objective function.SELECTED DRAWING: Figure 1

The invention relates to a closing-in process. The end closing device is used for closing the end of a workpiece, the workpiece comprises a first component and a second component, a mounting groove is formed in the end of the first component, and the second component is arranged in the mounting groove; the closing-in process comprises the steps that an assembly gap between the outer wall of the second component and the inner wall of the mounting groove is eliminated; rolling and closing up are conducted on a preset area of the outer wall of the first component with the constant feeding amount and the constant pressure; performing pressure maintaining on the preset area subjected to rolling and closing-up at a constant feeding amount and a constant pressure; and cutting the end face of the workpiece. By means of the closing-in technology, local stress concentration of the workpiece is avoided, wrinkles and cracks are not prone to occurring on the inner wall of the preset area of the first component, and potential safety hazards of the workpiece in the working process are eliminated.

The invention relates to a tool for a turning and milling composite process of a numerical control milling machine and a machining method. The technical problems that in the prior art, the precision accumulated error is large, the auxiliary time is long, or the cost is high, and the expansibility is insufficient are solved. The tool comprises an expansion base. The expansion base is provided with a working cavity and a working area arranged around the working cavity. The working area comprises a reference plane, a base fixing surface, a cutter clamped at the top of the working area, and a base through hole close to the bottom of the working area; a base expansion interface is arranged on the reference plane and is used for additionally installing other processing modules; a cutter handle of the cutter is arranged on the expansion base, and a cutter head faces the working cavity; the base through hole is communicated with the working cavity and is used for guiding oil and removing chips in the working process and expanding the overall weight reduction of the base; the expansion base is used for being fixed to a workbench of a numerical control milling machine, and cylindrical rod parts fixed to a milling cutter chuck are turned through a cutter.

The present application belongs to the field of shaft gear heat machining, and particularly relates to a long shaft gear heat front automatic production process and a line body thereof. The process comprises: a truss mechanical hand grabbing a workpiece after lathe machining; the truss mechanical hand conveying the workpiece to a marking station and completing marking; a six-axis robot grabbing the workpiece to a cleaning mechanism for cleaning; the six-axis robot placing the cleaned workpiece on a detection station for detecting an inner hole; after detection, the six-axis robot feeding the workpiece to a broaching machine for machining; the six-axis robot grabbing the machined workpiece and placing it into a discharging bin; the production process and the line body realize machining of long shaft semi-shaft gears from precision forgings to finished products before heat, and realize automation in the whole process, reduce site occupation, turnover times, work-in-process inventory, etc., and realize an efficient, stable, multi-species modern automatic production line.