38results about How to "Timely detection of quality problems" patented technology

The invention belongs to the technical field of machining, and discloses a five-axis linkage numerical control manipulator polishing control system and method. The five-axis linkage numerical controlmanipulator polishing control system comprises a parameter configuration module, a monitoring module, a data acquisition module, a storage module, an angle adjustment module, a central control module,a polishing force pneumatic loading module, a polishing parameter optimization module and a quality detection module. The parameter configuration module comprises a numerical value input unit, a modesetting unit, a mode selection unit and an instruction generation unit. The monitoring module monitors the polishing process in real time through a camera. The data acquisition module detects and acquires various data and parameters in the polishing process through a plurality of sensors with different functions. According to the five-axis linkage numerical control manipulator polishing control system and method, accurate and rapid tracking variable polishing force control can be achieved in the polishing process, the corresponding polishing force is controlled in real time, and the force control requirement of polishing machining can be effectively met; and on the premise that the polishing quality is guaranteed, the working efficiency is improved.

The invention discloses a numerical simulation method of a novel high-strength steel spoke drawing punching combined process. By means of establishment of an accurate finite element model, a forming process of a novel high strength steel plate for spoke production can be observed, distribution of wall thickness, stress, strain and damages in the spoke forming process can be obtained, possible forming defects such as excessively thinning and pull cracks of the plate in the spoke forming process can be discovered in time, forming properties of the plate can be evaluated in advance before the novel high strength steel plate is used for spoke actual production, thereby, the process design scheme can be effectively improved, mold parameters can be optimized, spoke product qualities are improved, rejection rate of products is reduced, large manpower and material inputs caused by trial and error can be avoided, the market competitiveness of the high-strength steel products is improved, application and development of novel high-strength steel wheels are facilitated, and the basis is provided for optimization of steel for high-strength wheels.

The invention relates to a block chain system for construction project quality detection and supervision. The block chain system comprises a sampling node, a detection node and a supervision node. Thesampling node acquires an initial record on the block chain system, updates the initial record according to sampling information of sampling a detection sample by a sampler to obtain a sampling record, and performs uplink evidence storage on the sampling record on the block chain system; the sampling information comprises at least one of sampling time, a sampling place and a sampling photo; the detection node acquires a sampling record on the block chain system, updates the sampling record according to a detection result of the detection unit for detecting the detection sample to obtain a detection record, and performs uplink evidence storage on the detection record on the block chain system; the supervision node obtains the detection record on the block chain system, and can supervise the whole construction project quality detection process according to the detection record, so that a supervision unit can conveniently and timely discover the quality problem, the supervision strengthis enhanced, and the construction project quality is ensured.

The invention discloses a slab manufacture quality monitoring pre-warning system package device, and relates to the technical field of quality monitoring pre-warning. The device comprises a database unit, as well as a data collection unit and a pre-warning report unit which are connected with the database unit, wherein the data collection unit is used for collecting each quality monitoring parameter in a slab producing process, and transmitting the quality monitoring parameter to the database unit; and the database unit is used for determining whether the quality monitoring parameter exceeds the threshold of a standard design parameter, and transmitting the quality monitoring parameter to the pre-warning report unit if the quality monitoring parameter exceeds the threshold of the standard design parameter. By utilizing the device, real-time dynamic monitoring of the slab manufacture process and timely quality pre-warning are realized for the first time in the slab precise manufacture industry, critical data can be reviewed, regenerated and re-derived by adopting an Internet of things technology, and powerful assurance is provided to slab construction and operation maintenance, thus the device has significant meanings in assuring high-speed rail quality, constructing digital railways and improving the railway operation intelligent level.

The invention belongs to the technical field of powder injection molding and particularly provides an online prediction system and a method for a powder injection molded injection blank. The system comprises an injection molding machine, an industrial CT (computed tomography) machine, an image processing system, a sensor network system and an artificial neural network system. The method comprises the steps as follows: uniform powder feed is conveyed into the injection molding machine and is injected according to a random group of technological parameters to form a blank body sample; at the moment that the injection process is finished, the sensor network system automatically detects temperature values T and pressure values P of all points inside an injection mould; and the temperature values T and the pressure values P are automatically conveyed to the artificial neural network system, and the neural network system automatically gives predictive values of overall grey scale H and local grey scale Li of the injection blank body sample. The online prediction system and the method have the advantages as follows: 1, the injection blank density distribution can be automatically predicted, and the efficiency is improved; 2, the sample is not damaged during the detection process, and qualified samples still can be used, so that the cost is saved; and 3, the quality of injection products can be monitored real timely, so that the quality problems of the injection blanks can be found out timely.

Provided is a concrete stirring robot with an automatic sampling function. The concrete stirring root comprises a sampling module, a conveying mechanism and a stirring tank. The sampling robot is usedfor sampling mixed concrete, and placing a sample in a sampling cup to be stored. The conveying mechanism is used for conveying concrete raw materials into a mixing pipe. The stirring tank is used for mixing the raw materials conveyed from the mixing pipe, and therefore concrete is obtained. According to the concrete stirring robot, the input proportion of all components of the concrete is strictly controlled, and therefore the concrete quality can be effectively controlled to meet construction and design needs. The sampling module can carry out sampling and stores the sample according to theset period and standards and randomly, and the sample is adopted as an evidence later to be sealed up or randomly inspected and detected; on one hand, the evidence can be kept, and later responsibility claiming is convenient; and on the other hand, a deterring effect can be achieved on the construction side, and therefore the construction quality is guaranteed, everyone directly has responsibility, the concrete quality problem can be found in time, reworking can be carried out in time, and bigger losses are avoided.

The invention provides thin film monitoring equipment. The equipment is characterized by comprising a machine frame, a conveying roller, a light transmittance measuring part and a thickness measuringpart. The conveying roller is rotationally connected to the machine frame and is used for conveying a thin film. The light transmittance measuring part comprises a laser emitter and a light intensitytester which are oppositely arranged on the two sides of the thin film. The thickness measuring part comprises a lower thickness measuring roller, an upper thickness measuring roller, a displacement assembly and a displacement sensor. The lower thickness measuring roller is rotationally connected to the machine frame. The upper thickness measuring roller is located above the lower thickness measuring roller. The upper thickness measuring roller can rotate on the machine frame and can also slide up and down along the machine frame. The thin film is located between the lower thickness measuringroller and the upper thickness measuring roller and is always tightly attached to the lower thickness measuring roller and the upper thickness measuring roller. The displacement assembly is arranged between the machine frame and the upper thickness measuring roller, and can slide up and down along with the upper thickness measuring roller. The displacement sensor is arranged on the machine frame and is used for measuring the sliding distance of the displacement assembly.

The invention provides a novel film monitoring device. The device comprises: a frame, a conveying roller, a light transmittance measuring component and a thickness measuring component; the conveying roller is rotatably connected to the frame for conveying a film; the light transmittance measuring component comprises a laser emitter and a light-density tester which are oppositely arranged at two sides of the film; the thickness measuring component comprises a lower thickness measuring roller, an upper thickness measuring roller, a displacement component and a displacement sensor, the lower thickness measuring roller is rotationally connected with the frame, the upper thickness measuring roller is located at the upper portion of the lower thickness measuring roller and is capable of rotationon the frame and sliding on the frame up and down, the film is located between the lower thickness measuring roller and the upper thickness measuring roller and still clings to the lower thickness measuring roller and the upper thickness measuring roller, the displacement component is arranged between the frame and the upper thickness measuring roller and can slide up and down with the upper thickness measuring roller, and the displacement sensor is arranged on the frame and is configured to measurement the sliding distance of the displacement component.

The invention relates to an immortalized quality-control cell bank for chromosome karyotype analysis in the medicine field and a construction method thereof. The invention is mainly characterized in that the construction method comprises: taking residual attached primary or sub-culture living cells which are used for chromosomal disease diagnosis as needed by clinical diagnosis and treatment and are definitely diagnosed to have difficult chromosome abnormalities, introducing, through transgenosis technology, SV40LTag-pcDNA3.1(-) recombinant plasmid constructed by pcDNA3.1(-) connected by T4DNA ligase and digested by BamHI, and SV40LTag DNA amplified by PCR and separated by agarose gel electrophoresis, allowing recon to integrate with the cell DNA, screening immortalized cells integrated with recons by G418, performing subculture amplification and living cell cryopreservation, then extracting several respectively-prepared cells with different diseases, mixing the cells according to a required ratio for quality control so as to convert each original cell with a single chromosome abnormality into a cell with a plurality of easy-to-misdiagnose chromosome abnormalities with different ratios. Therefore, the difficulty and complexity for differential diagnosis and chromosome chimera diagnosis are increased; samples are easily available; and waste residual cells are converted into effective quality-control materials.

The invention relates to the technical field of image processing, in particular to a carton indentation quality detection method and system based on computer vision, and the method comprises the steps: obtaining a surface image of to-be-detected corrugated paper, and detecting an indentation center line of an indentation in the surface image, a Gaussian mixture model of gray distribution of each pixel point on the indentation center line in the vertical direction on the surface image is obtained, model parameters of the Gaussian mixture model are structural feature vectors of the corresponding pixel points, and uniformity is obtained according to the similarity between the structural feature vectors; and obtaining the anisotropy of each pixel point in the surface image according to the characteristic value of each pixel point, obtaining the carton damage degree of each pixel point, and obtaining the quality risk of the to-be-detected corrugated paper. According to the method, the carton damage degree and the tearing expansion risk of the indentation structure of the corrugated paper are sequentially detected through the image, so that the quality problem possibly occurring when the carton is folded along the indentation is accurately evaluated.

The invention provides an intelligent agriculture tracing method. The objects of intelligent agriculture tracing are honey peaches. The tracing method comprises a peach tree tracing process, a peach garden tracking process and a producing area tracing process, wherein the peach tree tracing process comprises the following steps of: 1.1, hanging a card on each camera, giving a fixed ID to each camera, including peach trees within a visual range of each camera in a monitoring range, hanging a card on each peach tree, namely giving a fixed and unique ID to each peach tree, then using a hand-held machine to scan ID cards and taking photos, and placing the ID of the cameras and the peach trees into a database; 1.2, picking; 1.3, packaging; 1.4, marketing; and 1.5, logistics. Through the peach tree tracking process, the information of the producing area of the honey peaches, the peach garden and the peach tree of the honey peaches can be precisely traced. According to the invention, the intelligent agriculture tracing method with a tracing function and capable of discovering quality problems is provided.

The invention discloses a detection device of distance between crankshaft locating surface and axis, and usage method thereof. The detection device comprises a joint lever, and a locating device and ameasuring device both arranged on the joint lever; the locating device comprises a connecting rod locating frame, a connecting rod locating block, and two main shaft locating blocks in the form of areversed Y; the measuring device comprises a dial indicator and a L-shaped dial indicator frame; the main shaft locating blocks, the connecting rod locating frame and the dial indicator frame are connected on the joint lever serially through connection holes. The detection device provided by the invention is light in weight and convenient to take and operate quickly, and reduces fatigue strength of carrying a crankshaft in the conventional platform detection method. Detection can be completed quickly within 10 seconds, time for adjusting the crankshaft to a horizontal plane in the conventionalplatform detection method is reduced, and product detection efficiency is improved. The detection device can perform online real-time detection, can discover quality problems in production, and reduces risks of failure in quickly discovering the quality problems in production of the conventional platform detection method. The detection device and the usage method thereof provided by the inventionare suitable for being generalized and used in mass industrial production.

The invention discloses an FDS bottom plate thickness judgment method and device, electronic equipment and a storage medium. The judgment method comprises the following steps: a setting step: settinga bottom plate thickness standard value corresponding to each point location; an acquisition step: acquiring screw tip length data H and acquiring data information in the working process of the FDS equipment in real time, wherein the data information comprises position data L1 when the screw tip touches the bottom layer plate, position data L2 when the screw tip has the maximum pressure in the puncture stage, and a point position number; a processing step: according to the H, the L1, the L2 and the point location number, processing to obtain a real-time test calculation value and a standard value of the thickness of the bottom layer plate of the point location corresponding to the point location number; and a judgment step: comparing the real-time test calculation value with a standard value, if a judgment condition is met, judging that the thickness of the bottom plate of the point location is normal, and otherwise, judging that the thickness of the bottom plate of the point locationis reduced and giving an early warning. Whether the thickness of the bottom layer plate in the FDS process is reduced or not can be monitored in real time, and the quality problem in the production process can be found in time.

The invention discloses a plate detection method, device and system for a blanking line, and aims to solve the problems of low speed, low efficiency and low accuracy of manual testing. The plate detection method for the blanking line comprises the following steps: acquiring an image of a plate on the blanking line on line; processing the acquired plate image to obtain a to-be-detected plate pattern; and performing pattern comparison and measurement on the pattern of the to-be-measured plate. The problems that time and labor are wasted, efficiency is low and complete detection cannot be achieved in manual detection are solved, errors existing in manual observation and judgment are avoided, the precision of plate detection of the laser blanking production line is improved, and the qualified rate of machining is increased.