19375results about "Liquid surface applicators" patented technology

The invention belongs to the technical field of glue filling control, and particularly relates to a glue filling amount control method and system. According to the method, the glue filling deviation can be controlled within an extremely small range through multi-time iteration control of a stage theoretical value and real-time feedback, the filling consistency and the bonding strength are remarkably improved, initial compensation is conducted in combination with various working condition parameters such as temperature, pressure and materials, the pressure and the diffusion dynamic state are monitored in real time, and the working efficiency is improved. The system can automatically adapt to environmental fluctuation and glue performance change, accurately control the filling amount, respond to overflow and viscosity abnormity in time, reduce glue waste, avoid product reworking caused by excess or insufficient glue, combine closed-loop feedback with maintenance strategies, automatically identify and process abnormal states, improve the automation degree and operation stability of a production line, and improve the production efficiency. Manual intervention is reduced, rapid configuration and expansion can be carried out according to different workpiece shapes, materials and production working conditions, and the device is suitable for various glue filling scenes.

To provide a method for easily and inexpensively coating a floor surface, a wall surface or the like of a building, an exterior or the like with a marble-like pattern having a good finish.SOLUTION: The method includes a step of stretching floss, a step of fixing the stretched floss to a frame body, a step of applying a coating material to the back side of the floss fixed to the frame body, a step of bringing the front side of the floss coated with the coating material into contact with a coating surface, and a step of pressing the floss brought into contact with the coating surface from the back side with a sponge to transfer the coating material.SELECTED DRAWING: Figure 2

The invention discloses a cement-based aerogel heat preservation and heat insulation coating material for concrete and a spraying construction process of the cement-based aerogel heat preservation and heat insulation coating material, and belongs to the technical field of concrete materials. The coating material is prepared from powder, composite emulsion and water, and the powder is prepared by mixing superfine sand, cement, modified silicon dioxide-carbon nanotube composite aerogel powder, hollow glass beads, nanofibers, graphene nanosheets, an ultraviolet light absorber, a water reducing agent and a defoaming agent. The composite emulsion is composed of an acrylate copolymer emulsion, a polyvinyl acetate-ethylene emulsion, a temperature-sensitive polymer emulsion and a coalescing agent. Based on the multi-stage pore network and multi-component emulsion optimization design and multi-component synergistic effect, the material has good fluidity after being mixed, and has low heat conductivity coefficient, high strength and high toughness after being hardened; the construction technology of high-pressure water flushing and layered spraying is provided, and the method has the advantages of being efficient in construction, stable in quality and the like and can be applied to heat preservation and heat insulation of a concrete structure in a severe environment.

The invention discloses an automobile production line gluing system based on visual inspection, and relates to the technical field of industrial automation and intelligent control, and the automobile production line gluing system comprises a gluing data acquisition module, a gluing feature extraction module, a compensation correction module, a gluing decision module and a closed-loop management and control module; the gluing data acquisition module preprocesses assembly line gluing track images and glue gun nozzle three-dimensional coordinate data, the gluing feature extraction module constructs a gluing feature sequence table, the compensation correction module outputs glue outlet opening degree compensation amount and nozzle track correction amount, and the gluing decision-making module outputs glue gun pressure adjusting amount and nozzle movement speed. And the closed-loop management and control module detects pressure abnormity and speed stability in real time, optimizes control parameters and generates a process quality map. Through real-time visual detection and dynamic closed-loop control, the glue line width precision is improved, the track compensation response is shortened, the glue gun speed fluctuation coefficient and glue waste are reduced, the gluing qualification rate is improved, the production cost is reduced, and the automobile manufacturing and production requirements are met.

Apparatus and methods are described including delivering a left-ventricular assist device to a subject's aorta. The device including a distal-tip element that defines a straight proximal portion, and a curved distal portion, the curved distal portion defining first and second curves with an elongated straight portion between the first and second curves. The distal-tip element is centered with respect to the aortic valve using the curved distal portion of the distal-tip element, to thereby guide the device through the subject's aortic valve atraumatically. A pump pumps blood through from the subject's left ventricle to the subject's aorta. Other applications are also described.

Apparatus and methods are described including delivering a left-ventricular assist device to a subject's left ventricle. A tube is positioned such that a proximal portion of the tube traverses an aortic valve of the subject, and a distal portion of the tube is disposed within a left ventricle of the subject. A pump pumps blood through the tube from the subject's left ventricle to the subject's aorta such as to cause the proximal portion of the tube to be maintained in an open state, and to cause at least a portion of the tube to become curved. Other applications are also described.

The invention relates to the technical field of automatic control of a dispensing process, and discloses an intelligent dispensing control method based on a self-adaptive track and dynamic fault-tolerant control. The method comprises the following steps: acquiring spatial pose data of a workpiece to be dispensed through a visual system, identifying a Mark point, and generating positioning reference information; the information is fused with height measurement data, and a dispensing track and dispensing height control parameters are obtained through calculation; driving an injection mechanism to dispense glue according to the control parameters, collecting a glue dispensing image, and comparing the image template to realize real-time judgment and alarm control of the offset and blockage state of the nozzle; after dispensing is completed, coverage rate analysis is conducted on the dispensing image, and a qualification result used for workpiece circulation judgment is generated; all control parameters, image data and judgment results are uploaded to a manufacturing execution system, the time interval between dispensing and the previous process is recorded, and process tracing and time card control are achieved. According to the invention, the dispensing precision and consistency are improved, and the automatic and fault-tolerant performance is good.

The invention relates to the technical field of electronic detection, and discloses an electronic component dispensing detection method. The method comprises the following steps: acquiring dispensing image data of the surface of the electronic component, and generating a standardized dispensing data matrix containing glue position, thickness and uniformity characteristics through standardized preprocessing; constructing a dispensing correction matrix based on an adaptive window frame, and performing spatial reference dynamic correction on the standardized data matrix to obtain a spatial correction dispensing data matrix; inputting the data into a multi-layer sensor fusion network for feature fusion, and outputting a multi-source fusion dispensing data set; constructing a multi-dimensional abnormal feature incidence matrix based on the data set, and identifying abnormal dispensing data nodes by using a dynamic threshold detection algorithm; performing parameter optimization iteration on the multi-source fusion data set by using a gradient descent optimization algorithm to generate an optimized dispensing parameter set; and finally, constructing a three-dimensional visual dispensing quality model, and establishing a dynamic mapping relationship between model parameters and glue physical characteristics. The method can more comprehensively detect the glue quality.

The invention discloses an intelligent control and detection system for precision coating uniformity, and relates to the technical field of non-contact thickness measurement, the system comprises a spectrum confocal chromatography detection module, a non-contact multi-wavelength full-breadth detection module, an optical flow field dynamic measurement module and the like, a data processing unit is combined with a model to generate an evaluation model, and the evaluation model is used for evaluating the coating uniformity. The system has the advantages that multi-layer coating structure data are obtained in a full-breadth mode through a linear array sensor of the spectrum confocal chromatography detection module, a slurry full-breadth flow velocity vector field is analyzed in combination with the optical flow field dynamic measurement module, and the flow velocity measurement accuracy is improved. And the data processing unit fuses the multi-modal data to generate an evaluation model, and the regulation and control strategy generation module outputs an instruction containing edge air pressure regulation, so that accurate control over coating uniformity is achieved, damage to a base material is avoided, material waste and manual debugging time consumption are reduced, and the production efficiency and the product yield are remarkably improved.

The invention discloses an edge spraying compensation control method based on intelligent visual feedback. The method comprises the following steps: performing space scanning on a to-be-sprayed workpiece to obtain spraying image data, and establishing a space corresponding relation between a spray gun motion coordinate and a workpiece surface coordinate; registering the real-time spraying image by using the corresponding relation, identifying a geometric boundary line, brightness gradient change and a coating adhesion area of the edge of the workpiece, and generating edge feature data; according to the difference between the edge feature data and the target spraying image, the spraying coverage deviation and the boundary overlapping error are calculated, the coating thickness change trend, the optical density change rate and the boundary direction offset are extracted, and the spraying gun posture adjustment amount, the spraying distance correction amount, the spraying pressure correction amount and the path speed correction amount are generated; the angle, the spraying distance, the pressure and the movement speed of the spray gun are dynamically adjusted according to the parameters; according to the method, real-time visual feedback and self-adaptive compensation control in the spraying process are achieved, and the uniformity and consistency of the coating on the edge of the workpiece are effectively improved.

A screen making machine includes a table, welder assembly, and actuation assembly. The welder assembly includes: a hot air nozzle, a pump, and a roller. The actuation system moves the welder assembly along the frame. Hot air from the nozzle elevates the temperature of the mesh and adjacent frame to an elevated temperature above a melt temperature of the surfaces of the mesh and frame. The roller presses the melted mesh surface against the melted frame surface, to melt fuse them together.

The invention relates to the technical field of concrete pool heavy anti-corrosion coating construction, and discloses a concrete pool heavy anti-corrosion coating multi-layer spraying intelligent planning construction method which comprises the steps that spraying time sequence parameters, material combination and a basic spraying parameter set of all coatings are determined on the basis of pool structure parameters and anti-corrosion grades; generating a spraying path planning set in combination with equipment attributes and environment data, and defining an execution priority; a spraying parameter correction list and a quality verification scheme list are generated according to the construction period, the drying rate and the like; and associating real-time data to form an intelligent construction overall scheme. The method also covers regional process boundary determination, construction mode switching, path optimization, quality verification, construction data management and the like. According to the method, accurate control and quality optimization of multi-layer spraying are achieved through multi-factor fusion and an intelligent algorithm, the construction efficiency and the anti-corrosion performance are improved, and the method is suitable for heavy-duty anti-corrosion construction of the concrete pool.

The invention relates to the technical field of automatic spraying, and particularly discloses a spraying system based on multi-modal vision and artificial intelligence self-correction, comprising a multi-modal vision acquisition module for acquiring color image information, depth information and infrared feature information; the control module is used for generating a spraying sensing model according to the information of the multi-modal visual acquisition module; the control module carries out spraying area identification, track planning and spraying parameter decision making based on the spraying sensing model; the spraying execution module is used for spraying; and the feedback self-correction module iterates the spraying parameter decision in the control module based on a reinforcement learning algorithm according to the difference between the actual coating state information and the expected state. The control method based on multi-modal vision and artificial intelligence self-correction is applied to a spraying system based on multi-modal vision and artificial intelligence self-correction. The scheme is used for solving the problems that the spraying quality of complex workpieces is not high due to the single sensing dimension of an existing spraying system, and the production flexibility is poor due to the rigid control mode.

The invention discloses composite powder, a metal anti-corrosion coating composition, a preparation method of the metal anti-corrosion coating composition and a metal anti-corrosion method. Zn < 2 + > and imidazole ligands are self-assembled on the surface of GO in situ in DMF to prepare composite powder with stable pore channels and barrier and self-repairing functions, and the composite powder is dispersed in an epoxy matrix to prepare the coating. When the coating is damaged, the MOF releases Zn < 2 + > to form a passive film with the ligand, and the GO network delays medium diffusion and enhances mechanical properties. And the coating has remarkable salt mist resistance and self-repairing performance, and is suitable for corrosion prevention of metals such as steel, aluminum-magnesium alloy and the like.

The present application relates to the technical field of mirror turning attachment, and particularly relates to a mirror turning AA attachment assembly and an attachment method. The mirror turning AA attachment assembly comprises a lens attachment device, a frame fixing device and a transfer device. The lens attachment device comprises a lens fixing device, a lens feeding device and a lens cleaning device. The frame fixing device comprises a frame fixing device, a frame feeding device, a frame feeding device, a frame cleaning device, a dispensing device and a frame detection device. The mirror turning AA attachment assembly has the advantages that the pollutants on the attachment surfaces of the lens and the frame are removed, and the quality is improved. The deviation caused by the process of the mechanical hand handing over the lens to the lens AA attachment mechanism and the deviation caused by the process of the mechanical hand handing over the frame to the main shaft are corrected, the deviation accumulation is reduced, and the position is accurate when the final lens and the frame are attached together.

The invention relates to the technical field of 3D vision, and discloses a manipulator dispensing path optimization method and device based on 3D vision, and the method comprises the steps: carrying out the multi-angle three-dimensional vision scanning of a dispensing workpiece, and obtaining the point cloud data of the dispensing workpiece; performing semantic segmentation on the point cloud data, and decomposing the dispensing workpiece into a plurality of functional parts; according to the semantic identifier and the surface feature of the functional component, identifying a target area to be dispensed and a dispensing path constraint condition; generating an initial dispensing path based on the target area to be dispensed and the dispensing path constraint condition; and performing iterative linear secondary adjustment control on the initial dispensing path to generate a motion control instruction. According to the invention, the self-adaptive optimization adjustment of the dispensing path is realized, the problem that the traditional dispensing system cannot cope with the actual state change of the workpiece is solved, and the adaptability and stability of the dispensing system are greatly improved.

A vehicle wash assembly at a vehicle wash location includes a chemical delivery device with a pneumatic drive mechanism operable to cause chemical to be received in a chemical chamber and pressurized chemical to be dispensed therefrom via a chemical outlet, and a control system communicatively coupled to the pneumatic drive mechanism and configured to cause the pneumatic drive mechanism to operate to cause the pressurized chemical to be dispensed from the chemical chamber via the chemical outlet. The control system receives instructions for operation of the chemical delivery device, and in response to receipt of the instructions, the control system analyzes the instructions, generates separate instructions for operating the chemical delivery device based on the analysis, and transmits the separate instructions to cause the chemical delivery device to undergo a dispensing operation according to the separate instructions.

The invention discloses a full-closed-loop automatic spraying method, system and device based on geometrical characteristic driving and multi-physical quantity feedback and a storage medium. The method comprises the following steps: performing three-dimensional scanning on a workpiece and extracting geometric features; generating a spraying track and a spraying posture for keeping a topological structure based on the geometrical characteristics; motion, process and coating quality parameters are collected in real time through a sensor, and are processed and fused to form a state vector; inputting the state vector into an intelligent control module, performing optimization by combining model predictive control, fuzzy logic and a neural network, and outputting trajectory and process parameters; a control strategy is updated according to the quality deviation of online detection, and closed-loop correction is carried out; spraying is automatically executed in the closed spraying cabin, and unmanned operation of the whole process is achieved. According to the method, complex curved surface spraying can be completed without manual programming, and the method has the advantages of high flexibility, multi-parameter closed loop, self-adaptive optimization and the like.

Systems for controlling chemical dispensing from a chemical delivery device include means for dispensing a chemical, wherein during dispensing an amount of the chemical from the chemical delivery device, the means for dispensing the chemical draws an equal amount of the chemical into the chemical delivery device as the amount of the chemical dispensed. Methods involve causing the means for dispensing a chemical to dispense the chemical. Means for dispensing a fluid and means for mixing the dispensed chemical and fluid are also used in connection with the means for dispensing a chemical. Means for controlling dispensing such as by means for linearly controlling dispensing, along with means for controlling a dilution ratio, means for coordinating dispensing, and means for individually controlling are also used in connection with these means for dispensing a chemical, means for dispensing a fluid and means for mixing.

The invention belongs to the technical field of insulator dip-coating equipment, and discloses a suspension insulator dip-coating device which is characterized in that a workpiece loading and unloading assembly and a trough moving assembly electrically slide on a ground rail, and at least two dip-coating machine head assemblies which are sequentially arranged in the length direction of the ground rail are arranged between a workpiece height measuring assembly and the trough moving assembly; the workpiece loading and unloading assembly is provided with at least two workpiece chucks arranged in the width direction of the ground rail. The dip-coating machine head assembly is provided with at least two electric clamping mechanisms arranged in the width direction of the ground rail. The lower end of each workpiece chuck is connected with a chuck jacking mechanism; a first ranging laser sensor is arranged on one side of each workpiece chuck; the workpiece height measuring assembly is provided with at least two second distance measuring laser sensors arranged in the width direction of the ground rail. According to the insulator dip-coating machine, alternate hanging of a plurality of insulators on different dip-coating machine head assemblies and alternate coating of the different dip-coating machine head assemblies in the trough moving assembly are conveniently achieved, and the production efficiency is improved.

The invention relates to the technical field of optical element processing, in particular to optical cement auxiliary equipment for rotating and overturning a glass part and a using method of the optical cement auxiliary equipment. The optical cement auxiliary equipment comprises a glass fixing plate, a rotating assembly, a mounting plate, an overturning assembly and a supporting frame; one end of the rotating assembly is connected with the middle of the plate surface of the glass fixing plate, the other end of the rotating assembly is connected with the mounting plate, the plate surface of the glass fixing plate is always parallel to the plate surface of the mounting plate, and the direction of the first shaft is perpendicular to the plate surface of the glass fixing plate; the overturning assembly is fixedly connected with the back plate side of the mounting plate and rotationally connected with the supporting frame, and the back plate side of the mounting plate is the panel side, back to the glass fixing plate, of the mounting plate. The overturning assembly drives the mounting plate to rotate around the second shaft, and the direction of the second shaft is perpendicular to the direction of the first shaft all the time. By adopting the scheme provided by the invention, the optical cement efficiency of the glass piece needing multi-surface optical cement and the safety of the glass piece in the optical cement surface switching process can be improved.

Structures for retaining one or more accessory tools to a caulking gun are disclosed. The accessory tools include spatulas, utility knives, hangers, handles, and flashlights. In one embodiment, the retention structure is a mounting rail affixed to an elongate strap forming a portion of a carriage assembly of the caulking gun. The mounting rail includes a plurality of alternating projections and grooves extending along its length for removably mounting the accessory tool. The mounting rail includes a retention portion to securely attach the mounting rail to the dispensing device. The retention portion includes a pair of opposed legs extending from a central body, each leg including an inwardly facing pocket to engage and contain therein lateral edges of the elongate strap.

The invention provides a water-based adhesive coating control method and system based on artificial intelligence optimization, and the method comprises the steps: obtaining a historical data set composed of process parameters of a coating process and coating quality parameters, carrying out the clustering, and obtaining a global induction point set according to a clustering result; determining a stage induction point subset according to the target parameter value of the current coating stage and the boundary of the target parameter, and updating the sparse Gaussian process regression model by using the global induction point set and the stage induction point subset; calculating a quality fluctuation index, determining the length of a prediction time domain based on the quality fluctuation index, constructing an optimization problem in the prediction time domain by adopting a multi-level opportunity constraint mode, and when the deviation value between the actual value of any key process parameter and the prediction trajectory based on the sparse Gaussian process regression model exceeds a deviation threshold value, determining that the prediction trajectory does not exceed the deviation threshold value. And solving the optimization problem to obtain an optimal control action sequence in the prediction time domain, and determining a final control action from the optimal control action sequence and sending the final control action to an execution mechanism.

The invention relates to the technical field of optical module coupling, and discloses optical module product double-Lens coupling equipment and a coupling method thereof.The coupling equipment comprises a jig module, a stock bin streamline module, a carrying module and two coupling modules arranged on the left side and the right side of the jig module, and the two coupling modules can be coupled with two Lens on an optical module product at the same time; an optical module clamping jaw of the carrying module can rotate around a Z axis, so that the direction of an optical module product reversely placed in a Tray can be corrected, and the coupling efficiency and quality of the optical module product are improved; in the coupling method, the stock bin streamline module can automatically provide and collect the Tray carrying the optical module product, and the carrying module can carry the optical module product between the stock bin streamline module and the jig module in a reciprocating manner, so that the coupling module can realize the coupling of the Lens and the optical module product, that is, the coupling method can coordinate the cooperation among the modules of the coupling equipment, and the coupling efficiency is improved. Therefore, the coupling logic is rigorous and orderly, and stable operation of the equipment is ensured.

The invention relates to dosing system (1) for a dosing substance, which dosing system (1) comprises a housing (11) having a nozzle (60) and a feed channel (64) for dosing substance, a discharge element (51) arranged in the housing (11) for discharging dosing substance from the nozzle (60), at least one first actuator (20), preferably a piezo actuator (20), coupled to the discharge element (51) and / or the nozzle (60), and at least one second actuator (30), preferably an expansion material element (30), coupled to the first actuator (20). The second actuator (30) is designed to set a position of the at least one first actuator (20) relative to the housing (11), particularly with respect to the discharge element (51) and / or the nozzle (60). The invention further relates to a method for controlling such a dosing system (1).

The invention belongs to the technical field of unmanned aerial vehicles, and particularly relates to an intelligent aerial 3D printing and spraying system and method based on an unmanned aerial vehicle cluster, and the system comprises a spatial three-dimensional laser ranging scanning modeling module for generating a real-size scene model, a three-dimensional positioning network module, and a three-dimensional positioning network composed of a plurality of laser radar arrays. Wherein the laser radar or the wireless positioning beacon array is arranged on a working plane to construct a three-dimensional space coordinate reference system; the printing module is integrated on the unmanned aerial vehicle, compared with traditional high-altitude operation, the construction efficiency is improved, the constraint of tedious procedures such as scaffold building and manual high-altitude operation is thoroughly eliminated, the unmanned aerial vehicle cluster can be rapidly deployed in a short time, and operation tasks such as large-area single-color or full-color spraying, repairing, modeling and printing are efficiently completed with high precision; the project construction period is greatly shortened, the comprehensive construction cost is reduced, the safety construction level is improved, the engineering income is improved, and the construction accident risk is reduced.

The invention relates to the technical field of surface spraying, in particular to an intelligent surface spraying method and device based on coating quality and a spraying robot. The intelligent surface spraying method based on the coating quality comprises the steps that the coating actually-measured thicknesses of a plurality of detection points in a spraying width area are monitored in real time, and an actually-measured thickness distribution field is obtained; according to the actually measured thickness distribution field and the target thickness of the coating, a thickness deviation mean value is calculated, and whether the thickness deviation mean value is out of an allowable range or not is judged; if yes, calculating a thickness standard deviation according to the actually measured thickness distribution field; calculating a speed correction amount according to the thickness deviation mean value and the speed correction coefficient; and according to the thickness deviation mean value, the thickness standard deviation and the spraying width correction coefficient, the spraying width correction amount is calculated. According to the intelligent surface spraying method and device based on the coating quality and the spraying robot, the product surface coating spraying effect standard reaching rate is high, the secondary machining number can be greatly reduced, and the productivity is high.

The invention belongs to the technical field of 3PE corrosion prevention, and particularly relates to a high-temperature-resistant and cathodic disbonding-resistant 3PE corrosion-resistant pipeline and a preparation method thereof. A pipeline epoxy bottom layer, a middle adhesive layer and a polyethylene surface layer are subjected to systematic chemical synergistic modification, specifically, the epoxy bottom layer is modified with phenolic resin and amino silane, and a heat-resistant compact barrier is formed; the middle layer reacts with maleic anhydride grafted polyethylene through amino silane to construct a chemical bridge for simultaneously connecting the upper layer and the lower layer; the surface layer is grafted with high-density polyethylene through fluoroprimary amine modified glycidyl methacrylate, and a hydrophobic and oleophobic chain and a reactive functional group are introduced; according to the structure, through the synergistic effect of the high-temperature stability of the bottom layer, the two-way chemical bridging capacity of the middle layer and the inert hydrophobic characteristic of the surface layer, the long-term use temperature upper limit, the stripping resistance and the medium infiltration resistance of the pipeline are improved, and a solution is provided for long-term protection of the pipeline in the severe environment.