501 results about "Spray method" patented technology

The invention discloses an intelligent robot spraying method based on a spraying system. Firstly, three-dimensional contour data of a workpiece are obtained through three-dimensional scanning equipment, a model is constructed, and key information is marked. And then according to the model, the workpiece material, the spraying requirement and the environment condition, a spraying path is planned through an intelligent algorithm, coating parameters are set, a robot executes spraying in sequence, and real-time monitoring is conducted through a high-precision position and a visual sensor in the process. After spraying is completed, the quality is detected through detection equipment, and when the requirements are not met, the computer system adjusts parameters according to deviation and directs the robot to conduct supplementary spraying or re-spraying. Whole-course data are recorded, and technological parameters and a path algorithm are optimized through statistical analysis. According to the method, high-precision, intelligent and efficient spraying is achieved, the method adapts to various workpiece and process requirements, the spraying quality and the production efficiency are improved, good adaptability and expandability are achieved, and intelligent development of industrial spraying is powerfully promoted.

A recording method including a softening liquid attachment step of attaching a softening liquid composition containing a softening agent and water to a recording medium, and a coating liquid attachment step of attaching a coating liquid composition containing anionic resin particles and water to the recording medium, in which a content of the softening agent is 60% by mass or more with respect to a total amount of non-volatile components in the softening liquid composition, a content of the resin particles is 80% by mass or more with respect to a total amount of non-volatile components in the coating liquid composition, the coating liquid attachment step is performed by an ink jet method, and the softening liquid attachment step is performed by an ink jet method or a spray method.

The invention discloses an environment-friendly waterproof paint spraying device and method, and relates to the technical field of environment-friendly spraying, the environment-friendly waterproof paint spraying device comprises a bottom plate and further comprises a material uniformizing device, a liquid storage barrel is fixedly mounted at the top of the bottom plate, a feeding pipe is fixedly mounted at the top of the liquid storage barrel, and a discharging pipe is fixedly mounted on the circumferential surface of the liquid storage barrel; a high-pressure pump is fixedly installed on the left side of the discharging pipe, a hose is arranged on the right side of the high-pressure pump, a high-pressure spray head is arranged at the end, away from the bottom plate, of the hose, and the material uniformizing device comprises a servo motor, a stirring rod, a hollow rod, a driving rod, a stabilizing block, an arc-shaped plate and an extrusion block; the coating in the liquid storage barrel can be effectively turned over through the reciprocating movement of the cambered surface plate, and the coating is prevented from being precipitated or layered in the storage process, so that the quality of a sprayed coating is improved, and the phenomenon of bubbles or uneven spraying is reduced.

The invention discloses a high-altitude autonomous paint spraying method based on a multi-rotor unmanned aerial vehicle, and relates to the technical field of high-altitude paint spraying, the multi-rotor unmanned aerial vehicle is provided with a binocular camera and spraying equipment, and the autonomous paint spraying method comprises the following steps: step S1, unmanned aerial vehicle self-inspection; s2, after self-inspection is qualified, preliminary spraying work is conducted according to a set paint spraying task route, obstacles are avoided in the flying process, and image information is collected; s3, the unmanned aerial vehicle flies back to the starting point where paint spraying work starts, the original route is repeated once, machine vision carrying a Yolov5 neural network is added, and paint spraying defects occurring during primary paint spraying work are checked; s4, a spraying coefficient is selected according to the defect type, and the regional paint spraying defect is improved; and S5, the unmanned aerial vehicle autonomously returns along the historical path. According to the high-altitude autonomous paint spraying method based on the multi-rotor unmanned aerial vehicle, the paint spraying effect can be evaluated and fed back in real time, the paint spraying effect is optimized, and the quality and effect of operation completion are guaranteed.

The invention relates to the technical field of dynamic spraying, in particular to an electromechanical product plate dynamic spraying method and system.The method comprises the steps that on the basis of real-time feedback control data, the positioning position and speed parameters of a spray head are monitored, speed deviation is calculated through a PID control algorithm, the positioning speed parameters of the spray head are adjusted, and a spray head speed adjustment value is obtained; and on the basis of the nozzle speed adjustment value, the nozzle positioning position is adjusted in real time, and a nozzle position correction result is obtained. According to the method, the dynamic spraying technology is introduced through real-time feedback control, the position and the speed of a spray head are optimized, the uniformity and the quality of a coating are directly improved, conflict points and lags are reduced through spraying track simulation and motion strategy optimization, the coating efficiency and the coating consistency are improved, energy efficiency is improved through multi-parameter optimization, material waste is reduced, and the method is suitable for large-scale popularization and application. Information transmission is optimized, nozzle coordination is enhanced, corrosion resistance, wear resistance and overall performance of products are improved, high quality of spraying each time is ensured, the method is suitable for a rapid production line, and the market competitiveness of the products is enhanced.

The invention discloses an anti-corrosion treatment process for a transformer oil tank. The anti-corrosion treatment process comprises the following steps that S1, the surface of the oil tank is pretreated; step S2, coating a primer; s3, intermediate paint is coated; step S4, coating a finishing coat; and S5, coating post-treatment is carried out. By selecting high-performance anti-corrosion paint and a reasonable coating process, the anti-corrosion performance of the surface of the transformer oil tank is remarkably improved, erosion of various corrosion factors can be resisted for a long time, and the anti-corrosion performance is excellent; an air spraying method is adopted, so that uniform distribution of a coating on the surface of the transformer oil tank is ensured, and the problem that the anti-corrosion effect is reduced due to non-uniform coating is avoided; through surface pretreatment and selection of a high-adhesive-force coating, the binding force of the coating and a transformer oil tank base material is enhanced, and the durability and reliability of the coating are improved; the process adopts a mechanical coating method, so that the construction efficiency is improved, the labor intensity is reduced, and the construction efficiency is high.

The invention relates to a handheld teaching disordered spraying method and system based on visual guidance, the system comprises a teaching room, a production conveying line, a visual identification system, a handheld teaching device, a spraying robot and an industrial personal computer, the teaching room is used for image acquisition of new product workpieces and offline teaching of disordered spraying tracks; the production conveying line is responsible for conveying and spraying workpieces to be sprayed, the visual recognition system is used for capturing the surface features of new product workpieces, and the handheld teaching device is used for teaching disordered spraying tracks through operators. And when a workpiece to be sprayed on the production conveying line is matched with an image template corresponding to the industrial personal computer product image database, a spraying program corresponding to the product track database is obtained, and finally automatic spraying operation is carried out according to offline teaching disordered spraying track data program control of the spraying robot. The handheld teaching technology and the intelligent spraying control logic are integrated, accurate guiding and instant adjusting of handheld spraying equipment are achieved, and the intelligent spraying control system is suitable for efficient coating operation of various complex surfaces.

The invention provides an intelligent glue spraying system and an intelligent glue spraying method. The intelligent glue spraying system and the intelligent glue spraying method can effectively prevent excessive glue from being accumulated on a glue spraying object. The intelligent glue spraying system comprises an object bearing area, an image acquisition module, a glue spraying module, a track planning module and a glue distribution analysis module. The object bearing area bears an object to be subjected to glue spraying. The image acquisition module acquires an image of an object to be subjected to glue spraying and judges the position and the shape of the object to be subjected to glue spraying according to the image. The glue spraying module comprises a glue sprayer and a movement mechanism, the movement mechanism drives the glue sprayer to move, and the glue spraying amount of the glue sprayer can be adjusted. The trajectory planning module plans the movement trajectory of the movement mechanism according to the image. The glue distribution analysis module calculates the predicted accumulated glue amount of each position needing glue spraying according to the moving track and the glue spraying amount of the glue sprayer in the default unit time, and adjusts the glue spraying amount of the glue sprayer at each position needing glue spraying according to the predicted accumulated glue amount, so that the actual accumulated glue amount at each position needing glue spraying does not exceed the upper limit of the accumulated glue amount.

The invention discloses a preparation method of an ultra-infiltration nano coating, and relates to the field of ultra-infiltration nano coatings, and the preparation method comprises the following steps: S1, base material pretreatment, S2, nano material dispersion liquid preparation, S3, coating: adopting an impregnation method, a spraying method or a spin-coating method to attach the nano material dispersion liquid prepared in the step S2 to the surface of the base material pretreated in the step S1, and S4, low-temperature curing to obtain the ultra-infiltration nano coating. And S5, surface modification: carrying out hydrophobic modification or hydrophilic modification on the base material subjected to low-temperature curing in the step S4 according to the type of the base material. The effect of enhancing the adhesive force of the base material and the coating is achieved through the means of pretreating the base material, it is ensured that nano particles of the dispersion liquid are always uniformly dispersed through preparation of the nano material dispersion liquid and the coating, coating is conducted through proper methods such as dipping, spraying and spin coating, and then low-temperature curing is conducted; the effect of constructing a stable porous nano-structure coating with excellent performance is achieved, and meanwhile, different requirements are met through multiple coating modes.

The invention relates to the technical field of spraying treatment, and discloses a coating pulse atomization system which comprises a power part used for pressurizing and conveying a coating into a pipeline and maintaining the coating in the pipeline at a set pressure; the atomizing and spraying part is used for atomizing and spraying the coating in the pipeline and intermittently spraying the coating to the workpiece; and the coating heating part is arranged between the atomizing and spraying part and the power part and is used for heating the coating and keeping the temperature of the coating reaching the atomizing and spraying part at a set temperature. The high-solid-content coating can be atomized without using air, the atomization stroke is shortened, and the equipment size is reduced; when the high-solid-content coating is atomized, a solvent does not need to be used, zero VOC emission is achieved, a sprayed workpiece does not need to wait for solvent volatilization, and the drying time is shortened; in the atomization spraying process, the atomization dispersity is low, the coating utilization rate is increased, the spraying mode reduces the over-spraying phenomenon of the coating, and the time needed for spraying the coating on the workpiece is shortened.

The invention relates to spraying equipment and a spraying method, in particular to intelligent spraying equipment and a spraying method, and the intelligent spraying equipment comprises the intelligent spraying equipment which is composed of a base, a multi-axis linkage mechanical arm, a precise spraying assembly, a visual positioning module, a rotary clamping mechanism and a central controller. Wherein the precise spraying assembly comprises a piezoelectric ceramic valve and an atomizing nozzle, and independent control over the micro flow and the atomizing angle can be achieved; the visual positioning module assists in precise positioning; the rotary clamping mechanism supports multi-degree-of-freedom adjustment; and the central controller realizes closed-loop spraying control through a track compensation algorithm. The invention further provides a spraying method, through accurate control over spraying parameters, track optimization and energy consumption management, the spraying precision, the film thickness uniformity and the coating utilization rate are remarkably improved, meanwhile, the overall energy consumption is reduced, and the high-quality spraying requirement of the complex workpiece surface is met.

The invention discloses an automatic spraying method for a tunnel roadway concrete support in the technical field of concrete support spraying, which comprises the following steps of: controlling a traveling chassis, a pumping mechanism, an arm support mechanism and an environment scanning mechanism through a traveling computer to realize automatic spraying of the concrete support of an excavation surface in a tunnel; a worker does not need to enter a tunnel to control the concrete wet spraying machine in a close range, threats of the severe environment to the health of the worker and potential safety hazards are thoroughly avoided, various parameters during concrete support spraying are adjusted according to the actual situation of an excavation face, and therefore the spraying process of concrete support is accurately controlled, and the construction efficiency is improved. The forming quality of the final concrete support is improved, reworking caused by manual errors is reduced, meanwhile, continuous operation without intermittency can be achieved, and the construction efficiency is improved.

The invention relates to the technical field of spraying control, and discloses a wind power tower wall surface spraying method and system, and the method comprises the steps: scanning a wind power tower wall surface through a sensor, obtaining the surface contour data of the wind power tower wall surface, and forming reference geometric information; curvature distribution characteristics of the reference geometric information are extracted, key path points are extracted according to the curvature distribution characteristics, robot kinematics constraints are introduced to carry out smoothing and coverage completeness integrated processing on the key path points, and therefore a spraying path is generated; establishing a mapping relation between the curvature of the spraying path and nozzle parameters, and setting initial values of atomization pressure and coating flow based on the mapping relation; in the spraying execution process, the real-time thickness monitoring data and the preset thickness are fused to generate a parameter adjusting instruction, and an actuator is driven to conduct online correction on spraying parameters; according to the method, accurate adaptation of the spraying path and the outline of the tower drum and dynamic matching of spraying parameters are achieved, it is ensured that the thickness of the coating always fits the preset standard, and the stability and controllability of the spraying process are improved.

The invention provides an automatic spraying method and device, and relates to the technical field of coating. The method specifically comprises the steps that a target obtaining mode in multiple preset obtaining modes is adopted, and the workpiece type of a to-be-sprayed workpiece on conveying equipment is obtained; acquiring a reference workpiece model and a first spraying track of the to-be-sprayed workpiece according to the type of the workpiece; performing simulation preprocessing operation on the reference workpiece model to obtain a simulation preprocessing result, and performing trajectory optimization on the first spraying trajectory according to the simulation preprocessing result to obtain a second spraying trajectory; conveying equipment is controlled to convey the to-be-sprayed workpiece to a paint spraying room, and pretreatment equipment is controlled to conduct pretreatment operation on the to-be-sprayed workpiece; and the spraying equipment is controlled to conduct spraying operation on the to-be-sprayed workpiece obtained after pretreatment operation through the second spraying track. The problem that in the prior art, an automatic spraying method is low in flexibility is solved, and the flexibility of the automatic spraying method is improved.

The present application provides a curve trajectory painting method and system based on machine vision. The method includes: obtaining workpiece data of the workpiece to be sprayed, including multi-view images from an industrial camera and workpiece depth data from a depth camera; constructing a three-dimensional model of the workpiece to be sprayed based on the multi-view images and workpiece depth data; constructing a multi-agent game model based on the three-dimensional model of the workpiece, and determining the spraying trajectory of the workpiece to be sprayed based on the multi-agent game model; constructing a recursive Gaussian process state space model based on the spraying trajectory, and optimizing the spraying trajectory based on the model to obtain a control instruction sequence; finally, tracking and controlling the spraying operation. The method provided in the present application can achieve precise spraying of complex surfaces and improve spraying quality and efficiency.

The invention provides a spraying method and device, a computer readable storage medium and spraying equipment, the spraying equipment comprises a paint spraying device and a liquid collecting device, the paint spraying device is used for spraying paint to a to-be-sprayed object, and the liquid collecting device is used for bearing the paint dripping from the to-be-sprayed object; the method comprises the following steps: under the condition that spraying equipment performs spraying operation, acquiring a video of paint dripping in a current time period to obtain a dripping video; the dripping video is analyzed, at least one key feature parameter is obtained, and the key feature parameters are parameters representing the spraying effect; under the condition that one key characteristic parameter is not in the corresponding preset range, the coating spraying device is controlled to adjust the coating flow or spraying speed, so that all the key characteristic parameters in the next time period are in the corresponding preset range; the problem that in the prior art, spraying parameters cannot be automatically controlled to guarantee the spraying effect is solved.

The invention relates to the technical field of PCB (Printed Circuit Board) production, and particularly discloses PCB solder mask spraying equipment and a spraying method. The equipment comprises a first spraying device, a turnover device, a second spraying device and a pre-baking device which are sequentially arranged, the spraying device comprises a conveying module, a first spraying gun, a second spraying gun and a third spraying gun, the conveying module is used for conveying the PCB, the first spraying gun is used for spraying first ink on the top face of the PCB and forming a first layer through standing, and the second spraying gun is used for spraying second ink on the first layer and forming a second layer through standing. The third spray gun is used for spraying third ink on the second layer and standing to form a third layer, and the viscosity of the first ink is greater than that of the second and third ink; the turnover device can turn over the PCB on the first spraying device and convey the PCB to the second spraying device; the pre-baking device can pre-bake the PCB on the second spraying device and move the PCB out. The equipment can simultaneously meet the oil thickness requirements of the circuit and the board surface, and solves the problems of ink entering and hole blocking.

The invention relates to the technical field of material surface corrosion prevention, in particular to a spraying method for a heavy anti-corrosion coating of a port steel structure. The method comprises the following steps that (1) sand blasting derusting treatment is conducted on a steel structure base body, so that the cleanliness of the steel structure base body reaches the Sa2.5 level, and the roughness is controlled to range from 40 micrometers to 75 micrometers; 2) coating the treated substrate with epoxy zinc-rich primer, and doping graphene modified zinc powder accounting for 1-3% of the total mass of the primer to form a primer layer with a dry film thickness of 60-80 [mu] m; (3) after the primer layer is cured, the primer layer is coated with epoxy micaceous iron oxide intermediate paint, aluminum tripolyphosphate accounting for 2-5% of the total mass of the intermediate paint is further added into the epoxy micaceous iron oxide intermediate paint, and an intermediate paint layer with the dry film thickness being 150-200 microns is formed; 4, the middle paint layer is coated with weather-resistant finish paint, and a finish paint layer with the dry film thickness being 60-80 microns is obtained.According to the method, the adhesive force, chloride ion permeation resistance, salt fog resistance (larger than or equal to 3000 hours) and weather resistance of the coating are remarkably improved, the method is suitable for the harsh marine environment, and the service life of the steel structure can be prolonged to 20 years or above.

The invention discloses photovoltaic glass spraying equipment and a spraying method thereof. The photovoltaic glass spraying equipment comprises a conveying mechanism, a limiting mechanism, a spraying mechanism and a protection mechanism. The transportation mechanism comprises a conveyor and is used for transporting the photovoltaic glass; the limiting mechanism is arranged on the conveyor, the limiting mechanism comprises a plurality of limiting assemblies arranged corresponding to the photovoltaic glass, and the multiple limiting assemblies are arranged in the length direction of the conveyor; the spraying mechanism is arranged above the conveyor, comprises a supporting assembly and a spraying assembly and is used for spraying photovoltaic glass located on the conveyor. The protection mechanism is arranged on the outer side of the spraying assembly in the circumferential direction in a sleeving mode and used for conducting spraying protection on the photovoltaic glass. According to the photovoltaic glass spraying equipment and the spraying method thereof, the spraying efficiency is high, the risk of leakage of atomized spraying paint is reduced through the arranged protective cover, the external environment is protected, and meanwhile the influence on the body health of workers is reduced.

The invention discloses a constant-height adaptive spraying method based on a convolutional neural network and meta-learning, and aims to solve the problems of seemingly constant height and actual non-uniformity caused by the fact that spraying effectiveness and constant-height control are not closed-loop and only the height of a nozzle is controlled but deposition distribution uniformity cannot be guaranteed. The method comprises the following steps: obtaining a canopy image, a pose track, a distance from a nozzle to a canopy and a spraying parameter, carrying out time alignment, and carrying out geometric correction and spraying width coordinate system alignment on the canopy image based on the pose and the track; using the calibration sample to carry out meta-learning rapid adaptation on the deposition distribution estimation convolutional neural network, and outputting deposition distribution, canopy features and uniformity indexes; constructing a micro-deposition agent model composed of a nozzle deposition kernel function, trajectory convolution and attenuation modulation; spraying parameter reference values are optimized according to a deposition uniformity target in the outer ring micro-MPC, constant-height control is achieved in the inner ring micro-MPC with the minimum distance deviation and constraint of the change rate and the safety distance, and the technical effects of deposition distribution closed-loop optimization and constant-height safety tracking are achieved.

The invention discloses an automatic spraying device and a spraying method thereof, and belongs to the technical field of part spraying, the automatic spraying device comprises a spraying box and a supporting seat, the supporting seat is fixedly connected to the inner bottom wall of the spraying box, an air suction groove communicated with the interior of the spraying box is formed in the supporting seat, and a coating pipe and an air outlet pipe are connected to the inner bottom wall of the spraying box in a penetrating mode; according to the paint spraying device, the connecting pump, the air outlet frame, the air suction groove and the filter box are adopted, paint sprayed by the spraying head is effectively prevented from being mixed with dust and sundries in air at other positions in the spraying box, so that the purity of the paint is improved, in addition, an air wall flowing downwards plays a role in guiding and isolating airflow carried by the paint sprayed by the spraying head, and the paint spraying device is more convenient to use. According to the spraying device, the occurrence probability of vortex and airflow turbulence is remarkably reduced, the adverse effect of airflow on flowing of mist coating is avoided through the design, it is ensured that the coating can smoothly and accurately act on the surface of a part, and therefore the spraying quality and consistency are greatly improved.

The invention relates to the technical field of spraying optimization, and discloses a surface spraying method based on digital twin automatic spraying direction optimization, which comprises the following steps: performing simulated spraying on to-be-sprayed articles in different shapes through a spraying analysis strategy so as to determine the spraying path and spraying density of primary spraying, and adjusting the spraying direction of the to-be-sprayed articles through a spraying adjustment strategy so as to determine the spraying direction of the to-be-sprayed articles. According to the surface spraying method for automatically optimizing the spraying direction based on the digital twinning, the spraying path is automatically planned according to the shape of the to-be-sprayed article, primary spraying is carried out, and meanwhile according to the initial spraying density, the spraying path of secondary spraying and the spraying density of a spraying gun are automatically adjusted, so that spraying materials on the surface of the to-be-sprayed article are evenly distributed. And the spraying density of the spray gun for secondary spraying is determined, and meanwhile, the surface which cannot be sprayed by the spray gun at the vertical angle is subjected to supplementary spraying, so that the action of spraying objects in various forms is realized, spraying dead angles are avoided, and spraying materials on the surface of the object to be sprayed are uniformly distributed.

The invention provides a pipe surface spraying method and device based on visual recognition. The method comprises the steps that a corresponding visual recognition camera is controlled to collect multiple sets of surface images based on initial position information of a pipe in a spraying work area; recognizing a deformation area based on the actual contour extracted from the plurality of groups of surface images and the contour of the standard pipe; re-planning a spraying path of the spraying device by taking the axis of the pipe as a reference on the basis of the actual outline and the actual size parameters of the deformation area; based on the actual size parameters and in combination with the preset standard spraying thickness, the coating dosage needed by the deformation area is determined, initial spraying parameters of a spraying device are adjusted based on the coating dosage and the spraying path, and adjusted spraying parameters are obtained; and based on the spraying path and the adjusted spraying parameters, the mechanical arm is controlled to carry the spraying device to conduct dynamic spraying operation on the surface of the pipe till the deformation area is not recognized. The coating waste is reduced, the quality of the pipe is improved, and the service life of the pipe is prolonged.

The invention provides a two-component varnish composition, a spraying method and a color register finishing coat, and belongs to the technical field of vehicle body spraying, the two-component varnish composition comprises a first main agent and a first curing agent, the weight ratio of the first main agent to the first curing agent is 3.5: 1-4: 1; wherein the first main agent is prepared from the following components in parts by weight: 30 to 39 parts of acrylic resin, 12 to 19 parts of amino resin, 15 to 22 parts of anti-sagging resin, 0.6 to 1.1 parts of an auxiliary agent and 14 to 37 parts of a first solvent; the first curing agent comprises a polyisocyanate curing agent. According to the present invention, by optimizing the ratio of the components in the two-component varnish composition, the adhesion between the paint layers is improved when the two-component varnish composition is used for spraying the vehicle body, such that the polishing on the vehicle body is reduced after the paint spraying is completed, or even the polishing is not performed, the process flow beat is reduced, and the batch production requirement of the vehicle is met.

This invention belongs to the field of silver nanowire spraying technology, and proposes a silver nanowire spraying device and method. A nozzle is installed at the top of the housing via a three-axis moving shaft, employing a multi-degree-of-freedom moving spraying method. Furthermore, a separate housing and air compressor are installed at the bottom of the housing. A raw material storage tank is installed on the housing, and a stirrer is installed on the raw material storage tank. The stirrer agitates the silver nanowire suspension in the raw material storage tank, resulting in a more uniform and stable output silver nanowire suspension. The separate installation of the housing and air compressor avoids the impact of air compressor and stirrer vibrations on the three-axis moving shaft and the heating substrate. Simultaneously, the heating substrate and the nearby heating fan ensure uniform heating of the substrate surface, improving the uniformity and stability of the silver nanowire suspension spraying on the substrate surface.

The invention discloses a spraying test piece tool, a coating spraying method of a spraying test piece and a lossless stripping method of a target coating, belongs to the technical field of thermal barrier coating spraying, and aims to solve the technical problem that in the prior art, when a thermal barrier coating is sprayed with a test piece, the target coating is difficult to strip in a lossless mode or difficult to strip in a lossless mode. The spraying device comprises a fixing plate, a protective cover plate arranged on the upper end face of the fixing plate and a plurality of spraying units. A plurality of limiting grooves are formed in the protective cover plate, and the multiple spraying units are movably arranged in the limiting grooves; a plurality of fixing rods are arranged in the fixing plate in a penetrating mode and used for fixing the spraying units. Through reasonable arrangement of the coating structure, nondestructive stripping of the target coating can be realized, the process is simple, and the cost is controllable.

The invention relates to the technical field of functional coatings and composite materials thereof, in particular to a nano CeO2-PDMS composite anti-corrosion wave-absorbing coating and a preparation method thereof. According to the invention, PDMS is used as a hydrophobic agent, the density of PDMS is smaller than that of epoxy resin, and a small amount of added PDMS can be gathered above the whole coating in a fusion gradual change manner in a curing process, so that first-level anti-corrosion protection is formed; pDMS can also provide better flexibility and elasticity, and the durability and stability of the coating are enhanced. And the green and environment-friendly corrosion inhibitor CeO2 is supplemented, so that not only is the corrosion inhibited, but also the compactness of the coating is improved, the cost is low, and second-level anti-corrosion protection is formed. Through combination of the two, the corrosion current density of the coating is reduced by two orders of magnitude, and good performance can be kept for a long time under severe environmental conditions. The raw materials used in the invention have low requirements on reaction equipment and conditions, and have high adaptability to the wave-absorbing agent; the coating can be prepared by adopting a spraying method, is low in cost and simple and convenient to operate, is not influenced by a base material, and is suitable for large-scale production.

The invention discloses a high-rise building outer wall coating spraying device which comprises an unmanned aerial vehicle and a coating supply assembly. The coating supply assembly comprises a stirrer pot and a high-pressure plunger pump; the high-pressure plunger pump is located in the stirrer pot, the unmanned aerial vehicle is connected with an electrostatic spraying gun, and an output port of the high-pressure plunger pump is connected with the electrostatic spraying gun through a coating output hose. The coating feeding assembly further comprises a stirring frame, the stirring frame is arranged in the stirrer pot, the upper end face of the stirrer pot is connected with a stirring driving motor, and the output end of the stirring driving motor penetrates through the stirrer pot to be connected with the stirring frame. According to the high-rise building outer wall coating spraying device and method, the existing defects are overcome, and the outer wall coating spraying efficiency is improved.

The invention discloses a spraying device and method for a waterproof and anti-corrosion coating of an aircraft skin. The spraying device comprises two spraying mechanical arms, a moving mechanism, a spraying head and a scanning mechanism. A negative-pressure steady-flow guide-out mechanism is arranged outside the spray head; the negative-pressure steady-flow leading-out mechanism comprises a negative-pressure outer cover, a negative-pressure inner cover and a plurality of negative-pressure pipelines; the rear side of the negative-pressure outer cover is connected with the plurality of negative-pressure pipelines; a nozzle pipe hermetically penetrates through the bottoms of the negative-pressure outer cover and the negative-pressure inner cover, and a nozzle is fixed in the nozzle pipe. The method further comprises a plurality of spraying method steps. The negative-pressure steady-flow guiding-out mechanism is arranged outside the spray head, a negative-pressure vacuum pump is matched with a negative-pressure pipeline, negative pressure can be formed in an annular negative-pressure channel, flowing airflow and atomized spraying materials on the outer side of the optimal spraying coverage range can be guided out through the front side of the annular negative-pressure channel, and the spraying efficiency is improved while atomized paint in air is reduced. And gas flow in a spraying environment is reduced from the source, so that the wing skin spraying effect during continuous spraying operation is better guaranteed.

The invention relates to the technical field of container paint spraying, in particular to a container paint spraying method and system, an intelligent terminal and a storage medium, and the method comprises the steps that box body reference coordinate data of a container final assembly are obtained through a three-dimensional laser scanner, and corner fitting geometric feature data are synchronously obtained; on the basis of the box reference coordinate data, the boundary of the to-be-sprayed area is recognized; generating a spraying area topological graph based on the boundary of the to-be-sprayed area and the geometric feature data of the corner fitting; based on the spraying area topological graph, a spraying track is generated through an intelligent path planning algorithm; based on the spraying track, a multi-axis spraying system is driven to execute high-pressure airless spraying; and through the industrial Internet of Things platform, the operation time sequence of the main spraying unit and the auxiliary spraying unit is coordinated, and the operation time sequence interval is controlled to be at least equal to a preset interval threshold value. The container paint spraying device has the effects that the situation that spraying leakage or cross contamination is likely to occur during mechanical paint spraying is improved, and the completeness of container paint spraying is improved.