952 results about "Powder Spray" patented technology

The invention discloses a real-time monitoring and feedback control system for enamel electrostatic powder coating, and relates to the technical field of industrial enamel coating. The system comprises a data acquisition and monitoring module, a feedback control decision module, an execution mechanism control module, a spraying path planning and adjusting module, a parameter optimization and adaptive adjustment module and a multi-target cooperative adjustment strategy module. The system builds a standardized state vector and recognizes abnormity by collecting spraying enamel electrostatic powder state parameters, deposition error signals and environment interference data, and closed-loop control and dynamic adjustment of spray gun electrode voltage, powder supply amount and spray gun path parameters are achieved. Intelligent algorithms such as particle swarm optimization are introduced to optimize a controller and process parameters, the coating uniformity and the deposition efficiency are automatically balanced in combination with a multi-target collaborative strategy, and stable spraying quality is achieved under complex working conditions. The method has the advantages of self-learning, self-adaption and expandability, and the intelligent level and the production performance of the enamel electrostatic powder spraying process are remarkably improved.

The invention discloses a powder spraying pile composite roadbed deformation prediction method, and particularly relates to the field of roadbed settlement prediction, comprising the following steps: in an edge calculation node, respectively constructing an underground water level change event, a construction stage event, a soil consolidation stage event and a traffic load cycle event into independent event time chains; the event time chain is recorded by taking the occurrence moment of the event, the duration of the event and the interval duration between the events as a time step unit; and performing splitting operation on the time step units of each event time chain, and forming a time granularity matrix according to the duration difference between the time step units. A plurality of types of discrete events such as water level, construction, consolidation, traffic load and the like are uniformly disassembled into time step length units, and a time granularity matrix and a time dislocation vector are constructed, so that the rhythm difference and dislocation relationship of the events on different time scales can be quantitatively expressed; and solving the transition of the settlement stage by taking the result as the observation input of the variational Markov model.

The invention relates to the technical field related to intelligent production control, in particular to a powder spraying method and system for the surface of a slender pipe and a medium, and the method comprises the steps that the preprocessed slender pipe is placed on a workbench containing multiple assemblies, electrostatic spraying is conducted through a spray gun, powder feeding adjustment is conducted, the angle of a flow guide groove is dynamically adjusted according to parameter combination, and spraying uniformity is controlled in combination with rotating speed induction. The technical problems that dynamic parameter matching mechanisms for different pipe diameters and wall thicknesses are lacked, airflow changes in the inner space of a slender pipe are difficult to cope with, and uneven distribution of powder in the pipe is likely to be caused are solved, the coating thickness deviation is controlled by associating a spray gun mechanism with a pipe rotating assembly, and the spiral angle of a flow guide groove is dynamically adjusted along with friction torque; and the piezoelectric centrifugal switch is used for detecting the rotating speed fluctuation in real time, the spray gun displacement compensation and the powder feeding amount adjustment are automatically triggered to enable the powder to be distributed in the pipe, and the machining efficiency is improved on the basis that the powder spraying quality of the surface of the long and thin pipe is guaranteed.

The invention discloses a feeding conveying device for pipe fitting powder spraying and a using method, and belongs to the technical field of pipe fitting powder spraying. A feeding conveying device for pipe fitting powder spraying comprises a rack and further comprises a feeding plate, the feeding plate is obliquely arranged on the rack and used for stacking pipe bodies to be subjected to powder spraying, and the lower end of the feeding plate is provided with a blocking base movably abutting against the pipe bodies; the separating assembly is arranged on the feeding plate and used for separating the pipe bodies stacked on the feeding plate; the feeding assembly is arranged at the tail end of the feeding plate and used for conveying a pipe body to be sprayed with powder to the spraying gun; the transferring assembly is arranged at the tail end of the feeding plate and used for transferring the first pipe body at the tail end of the feeding plate to the feeding assembly. Through dynamic separation, gear synchronous transmission and spiral driving rotation, efficient, accurate and reliable operation of the pipe fitting powder spraying and feeding process is achieved, and an advanced automatic solution is provided for the surface treatment industry.

The invention discloses a ceramic dry granulation unit which comprises a granulation machine body and a first transverse plate fixedly connected with the outer wall of the middle of the granulation machine body, and the bottom end and the top end of the granulation machine body are provided with a cleaning mechanism and a conveying mechanism correspondingly. Meanwhile, a second draught fan blows air into the discharging barrel, the ceramic powder can be sprayed out of the distributor more quickly and evenly, at the moment, an external water supply device injects water into a plurality of water pipes, the water is sprayed out through an atomization spraying head, and the ceramic powder sprayed out of the distributor is wetted; one part of the wet ceramic powder can directly fall onto the rotating disc through the opening in the bottom end of the granulator body, and the other part of the wet ceramic powder can fall onto the inner wall of the bottom end of the granulator body, and at the moment, the first fan blows air into the inner cavity of the bottom end of the granulator body, so that the wet ceramic powder falling onto the inner wall of the bottom end of the granulator body is blown up; therefore, the material falls onto the rotating disc through the self weight of the material.

The invention relates to the technical field of mold detection, and discloses a special working state inner wall detection device for a neutral borosilicate molded bottle mold, which comprises a workbench, an opening and closing mechanism is arranged on the middle side of the top of the workbench, a clamping mechanism is arranged on the top of the workbench, and a six-degree-of-freedom mechanical arm is mounted on the rear side of the top of the workbench. A ceramic probe is arranged on the outer side of the six-degree-of-freedom mechanical arm, and a base fixing seat is fixedly connected to the outer side of the ceramic probe. A real-time image differential analysis module is arranged, a blowing and powder spraying mechanism is used for carrying out pneumatic excitation on a suspected defect area, and a multispectral endoscope module is controlled to respectively collect optical images before and after excitation; by calculating the normalized difference measure of the two images and comparing the normalized difference measure with the preset physical displacement threshold value, the non-solid-phase attachments displaced due to pneumatic excitation and the solid-phase defects with fixed positions can be distinguished, and the technical problem that two abnormal areas with different properties are difficult to effectively classify in the prior art is solved.

The invention relates to the technical field of atomizer equipment, and discloses a micron-sized solid ceramic powder spray granulator which comprises a base support, a drying tower body is fixedly mounted at the top end of the base support, an output pipeline is fixedly mounted at the bottom end of the drying tower body, and a mounting support is arranged at the top end of the drying tower body. And an atomizer is fixedly mounted in the mounting bracket. According to the micron-sized solid ceramic powder spray granulator, an atomizer and a structure on the atomizer are arranged, when the atomizer does not act, along with the loss of gas in an inner cavity of an inner runner pipe, under the elastic force action of a second elastic piece, a linkage sleeve piece is forced to move downwards, and pressure is applied to the side face of an elastic ring again; the inner runner pipe is driven to move upwards to extrude the third elastic piece, and meanwhile, the outer surface of the inner runner pipe and the inner wall of the outer runner pipe are attached to each other to extrude out the liquid material remaining in the inner runner pipe.

The utility model relates to a target type jet mill which comprises a cylindrical barrel, and a fine powder channel and a coarse powder channel are formed in a grading chamber; the powder grader is mounted in the grading chamber, and a powder outlet of the powder grader is connected with the fine powder channel; the powder supply device is connected with the powder feeding chamber and is suitable for feeding powder into the powder feeding chamber; the powder spraying pipe is installed on the barrel of the powder crushing chamber, an inlet of the powder spraying pipe is connected with a first Venturi powder pump, and a powder return pipe is connected between the first Venturi powder pump and the coarse powder channel. The particle size of the separated crushed powder can be controlled through the powder grader, selection control is carried out in a large particle size range, fine powder meeting the set requirement is discharged from the fine powder channel, coarse powder is collected for centralized treatment while the fine powder is discharged and collected in time, and therefore the powder quality is improved. Coarse powder enters the second Venturi pump through the coarse powder channel and is sprayed out again to be smashed, and the smashing efficiency and quality are improved.

The invention relates to a digital spray microbead decorative ceramic tile and a preparation method thereof. The preparation method comprises the following steps: (1) preparing color blank powder from 95-99.9 wt% of basic blank square slurry and 0.1-5 wt% of ceramic pigment; the raw materials are subjected to ball milling and pulping and then sent to a spray drying tower, and green body powder of different colors is prepared and stored and aged for use; (2) the color powder is input into a material distribution mechanism to complete green body texture pattern arrangement, the green body powder is arranged into green body texture patterns through the material distribution mechanism, a pattern material cake is obtained, and the pattern material cake is fed into a pressing machine mold cavity to be pressed; (3) performing infrared drying on the green brick; applying engobe to the dried green bricks and drying the green bricks; (4) carrying out digital ink-jet pattern decoration on the green body; (5) spraying a primary binder to form a bonding layer; (6) spraying ceramic microbeads according to the designed texture through digital powder spraying equipment to form a microbead decorative layer with a concave-convex height difference on the surface; and (7) spraying a secondary fixing agent, namely spraying the fixing agent on the microbead decorative layer, curing and then firing.

The utility model belongs to the technical field of electrostatic powder spraying, and particularly relates to an electrostatic powder spraying device. Comprising a cleaning box and a spraying box and further comprises a conveying rail, and the conveying rail sequentially penetrates through the cleaning box and the spraying box; the first sliding block is movably arranged on the conveying rail; the first supporting frame is fixedly arranged on the first sliding block; the air pressure telescopic columns are symmetrically arranged on the first supporting frame, and the output ends of the two air pressure telescopic columns are symmetrically arranged; the cleaning assembly is arranged in the cleaning box; and the spraying assembly is arranged in the spraying box. The pneumatic telescopic column hangs an object through the output end, the conveying rail drives the object to enter the cleaning box, the cleaning assembly cleans the surface of the object, the conveying rail drives the object to enter the spraying box after cleaning is completed, and the spraying assembly conducts electrostatic powder spraying on the object. Dust and stains on the surface of an object are cleaned, and electrostatic powder attachment is better achieved.

The utility model discloses an exhaust manifold with a novel structure, and relates to the technical field of exhaust manifolds. The exhaust manifold comprises an exhaust manifold body, a shell mechanism is arranged on the exhaust manifold body and comprises an upper connecting piece, a lower connecting piece, a left connecting piece and a right connecting piece, an upper shielding pipe is arranged between the upper connecting piece and the left connecting piece, and a lower shielding pipe is arranged between the lower connecting piece and the right connecting piece. By arranging the exhaust manifold, the shell mechanism and the components in the shell mechanism, the exhaust manifold can be directly wrapped in the shell mechanism through the exhaust manifold and the shell mechanism, so that obvious black traces can be formed on the inner wall of the shell mechanism through sprayed gas when a crack is generated; therefore, a user or a maintainer is helped to quickly and accurately position the crack, the amount of powder sprayed outwards can be reduced, and pollution to the periphery is reduced.

The invention relates to the technical field of seasoning powder drying, in particular to seasoning powder spray drying equipment and system. According to the method, during real-time operation of the spray drying equipment, the theoretical production efficiency and the theoretical efficiency error coefficient at each moment are obtained; the actual production efficiency at each moment is obtained by combining the weight data distribution of the residue filtering net, the inclined plate and the driving discharging assembly at different moments in the neighborhood range; heating power data is adjusted, and according to the temperature data and humidity data of the spray drying chamber and the anti-blocking actuating assembly at the real time after heating and power adjustment and the vibration disorder degree of the assembly, the influence coefficient of the temperature data on production at the real time is obtained; combining to obtain an influence coefficient of the temperature data on the component at the real-time moment; vibration correction data are obtained, and cooperative control is conducted on the anti-blocking actuating assembly. By accurately obtaining the vibration data of the anti-blocking actuating assembly during operation, the accuracy of cooperative control is ensured, and the drying effect is improved.

The invention relates to the technical field of coating quality monitoring, in particular to an intelligent monitoring method and system for electrophoresis powder spraying coating quality, and the method comprises the steps: firstly obtaining the global geometric information of a workpiece through three-dimensional scanning with submillimeter precision, then obtaining the optical characteristics of a coating through combining with a multispectral imaging module, achieving the multi-source data fusion through a time-space registration module, and carrying out the monitoring of the coating quality. A deep neural network model is adopted to invert and generate a three-dimensional film thickness distribution field, the coating thickness uniformity is accurately quantified, meanwhile, a three-dimensional convolutional neural network is utilized to intelligently recognize defects such as pinholes, orange peels and sagging, qualitative and quantitative comprehensive analysis is achieved, and finally spraying process parameters are adjusted in real time through a closed-loop feedback control module. According to the technical scheme, fundamental transformation from offline sampling inspection to online full inspection, from manual judgment to intelligent diagnosis and from post inspection to process intervention is achieved, and the strict requirements of modern intelligent manufacturing for coating quality full-process management and control are comprehensively met.

The invention discloses a weaving machine metal part with a low-friction coating and a manufacturing method of the weaving machine metal part, and belongs to the technical field of textile machinery. A body is subjected to heat treatment, magnetic flow grinding, alkaline degreasing, acid activation, ultrasonic cleaning and plasma activation, then a chromium electroplating transition layer or a chemical plating Ni-P transition layer is applied, suspension liquid spraying or powder spraying or dipping is used, sintering curing is cooperated, a PTFE self-lubricating layer is applied, and the self-lubricating composite material is obtained. And finally, the compact Ni / Cr-PTFE-based composite coating is formed on the metal part of the weaving machine. The PTFE self-lubricating layer provides an extremely low friction coefficient, and yarn abrasion and part temperature rise are remarkably reduced; and the Ni / Cr transition layer greatly enhances the bonding strength of the PTFE layer and the steel substrate, and effectively prevents stripping and micro-cracking of the coating in high-speed weaving, so that effective protection of high-performance fibers is synchronously realized, and the service life of parts is remarkably prolonged.

The invention relates to a sealing device of an unpacking machine for preparing an energy storage battery, a control method and the energy storage battery. An annular sealing air bag of the sealing device of the unpacking machine of the energy storage battery is arranged around a feeding port of the unpacking machine, the annular sealing air bag comprises at least two air chambers arranged in the circumferential direction of the feeding port, and at least two pressure sensing modules are arranged on first sealing faces of the corresponding air chambers so as to detect the contact pressure of the corresponding air chambers and a packaging bag. The shape change of the bag opening of the packaging bag can be sensed in real time, the contact pressure, detected by the pressure sensing module, of the air chamber is controlled, the internal air pressure of the corresponding air chamber is adjusted through the control valve, and the sealing pressure of the annular sealing air bag is adjusted in real time, so that reliable sealing of the whole period from starting to ending of discharging is achieved, and the powder spraying problem is improved and even solved.

The utility model discloses a coal anti-freezing powder spraying device which comprises a horizontally-arranged powder spraying cylinder, the powder spraying cylinder is connected with a hose, a powder conveying pump is installed on the hose, a plurality of powder spraying holes are evenly formed in the powder spraying cylinder in the length direction, an outer cylinder is arranged outside the powder spraying cylinder in a sliding and sleeving mode, and a powder spraying nozzle is arranged on the outer cylinder. The two ends of the outer cylinder are fixedly connected with the rack, a powder spraying channel is formed in the outer cylinder, and a plurality of elastic dredging ball assemblies matched with the powder spraying holes in position are further installed on the outer cylinder. The anti-freezing powder spraying device has the beneficial effects that the powder spraying cylinder and the outer cylinder which rotate relatively are designed, and the elastic dredging ball assembly is designed on the outer cylinder, so that the elastic dredging ball assembly dredges the powder spraying holes once every time the powder spraying cylinder rotates to spray powder for one circle, and anti-freezing powder is prevented from being hardened to block the powder spraying holes; therefore, the powder spraying device is worthy of popularization and application.

The utility model discloses an epoxy powder spraying equipment of adjustable shower nozzle, including base, the upper surface of base end portion is provided with the propulsion subassembly, the end of propulsion subassembly is provided with adjustable spraying subassembly, the upper surface of base middle part is fixed sequentially installed with fixed side plate, powder supply mechanism, and propulsion subassembly includes fixed plate, connecting rod, the side of fixed plate is fixedly installed with motor no.

The invention relates to the technical field of aviation process equipment, in particular to an aviation part sample plate manufacturing method based on reverse scanning and 3D printing. According to the technical scheme, the aviation part sample plate manufacturing method based on reverse scanning and 3D printing comprises the following steps that S1, three-dimensional data collection and preprocessing are carried out, specifically, three-dimensional reverse scanning is carried out on the object surface of a target aviation part, and three-dimensional point cloud data of the object surface are obtained; before scanning, carrying out powder spraying treatment on a highly reflective or transparent area on the surface of the real object so as to ensure the integrity of scanning data; s2, real surveying and mapping model reconstruction and optimization: processing the three-dimensional point cloud data, reconstructing a real surveying and mapping three-dimensional model of the aviation component, and performing hole repair and fairing optimization on the model. The technical means of obtaining the real appearance by reversely scanning the real object and reconstructing the theoretical model according to the drawing and carrying out fitting correction are realized, the generated composite three-dimensional model ensures the accuracy.

The utility model belongs to the technical field of powder spraying equipment, and particularly relates to a powder spraying machine which comprises a shell and a fan arranged in the shell, the fan comprises a machine shell, an impeller arranged in the machine shell and a driving motor driving the impeller to rotate, a first cavity and a second cavity which are not communicated are arranged in the shell, the machine shell is arranged in the first cavity, and the fan is arranged in the second cavity. The driving motor is arranged in the second cavity. Powder can be effectively prevented from being accumulated in the driving motor, the ventilation and heat dissipation effects of the driving motor are good, the temperature of the driving motor is not prone to rising, the working efficiency of the driving motor is high, the driving motor is effectively prevented from being burnt out, and the service life of the driving motor is long.

The present application relates to the field of ceramic filler production, especially to a forming device for corrugated ceramic filler production. The existing forming device is inconvenient to uniformly sprinkle porcelain powder on the upper and lower surfaces of the mud piece, the mud piece is prone to reduce the available area after forming due to uncorrected posture, and the excess mud on both sides of the mud piece is prone to pull and deform the formed mud piece after extrusion. A forming device for corrugated ceramic filler production, comprising a feeding rack and the like; a square opening is formed in the feeding rack, two support frames are fixedly connected to one side of the feeding rack, a corrugated roller one and a corrugated roller two are rotatably connected between the two support frames, and a transmission gear is fixedly connected to the corrugated roller one and the corrugated roller two. When the mud piece is conveyed through the powder spraying frame and the brush roller, the rotation of the brush roller will carry the porcelain powder in the bottom frame and brush it on the bottom surface of the mud piece, and the porcelain powder shaken off by the powder spraying frame will be sprinkled on the upper surface of the mud piece, so that the porcelain powder sprinkled on the surface of the mud piece is more uniform and comprehensive.

The utility model relates to the technical field of aluminum profile spraying equipment, in particular to an aluminum profile horizontal spraying system which comprises a powder spraying part and a feeding part penetrating through the powder spraying part, the feeding part comprises a conveying track fixedly installed in a workshop, and a driving chain moving along the conveying track is connected into the conveying track. The driving chain is connected with a plurality of suspension brackets, the suspension brackets are connected with hard supporting beam assemblies, the supporting beam assemblies are provided with a plurality of connecting holes, and the suspension brackets used for supporting aluminum profiles are connected with the supporting beam assemblies through the connecting holes. The hard supporting beam assembly is connected firstly, then the aluminum profile is supported below the supporting beam assembly through the multiple suspension frames, and due to the fact that the supporting beam assembly cannot be bent when moving along with the driving chain, the soft aluminum profile below cannot be bent; therefore, the risk that the aluminum profile is bent to be separated from the suspension bracket or fall off from the suspension bracket when powder is sprayed on the soft aluminum profile is reduced.

The utility model relates to steel pipe coating processing technical field, concretely relates to a kind of powder shower coating powder spraying device for steel pipe plastic coating, including protective box, two mutually parallel placement plates are installed in protective box interior, arc-shaped opening for placing steel pipe is opened in the upper end of placement plate, heating box and water tank are installed in protective box top, material box is located at the inside surface of heating box and is arranged in protective box top, feed pipe is fixedly installed in material box top, first valve is installed on feed pipe, liquid inlet pipe is installed in water tank top, second valve is installed on liquid inlet pipe, two heating pipes are installed in the inner bottom wall of water tank, water pump is fixedly connected with water pump input end and water tank between through mounting base and is connected in protective box top, suction tube is fixedly connected, cavity for containing hot water is provided in heating box interior;The preheating and stirring of the material box internal material can be realized in the application, effectively prevent the caking phenomenon of material, facilitate subsequent material extraction, facilitate actual use.

The utility model discloses a powder spraying machine with a powder recovery function, which comprises a spraying working chamber, a powder collecting component is arranged in the spraying working chamber, the powder collecting component comprises a straight groove rod, a transverse shaft and a powder collecting screen plate, the straight groove rod is fixed on the upper side of the rear part in the spraying working chamber, and the transverse shaft is connected with the powder collecting screen plate. The two sides of the straight groove rod are fixedly connected with the symmetrical transverse shafts, each transverse shaft penetrates through a limiting ring fixed to the powder collecting net plate, the powder collecting net plate is connected with an air blowing assembly, the powder collecting assembly is connected with a driving assembly through a linkage assembly, and the driving assembly fixes the spraying working chamber. The utility model relates to the technical field of powder recovery equipment for powder spraying, in particular to a powder spraying machine with a powder recovery function, which is convenient for powder recovery during working of the powder spraying machine.

The utility model discloses a cabinet electrostatic powder spray booth convenient to clean in the technical field of powder spray booth cleaning, which comprises a scraping and sweeping mechanism, the scraping and sweeping mechanism comprises a powder spray booth main body, a machine body is arranged in the powder spray booth main body, and two first electric push rods are symmetrically arranged on the outer wall of the machine body; scraping and sweeping plates are fixedly arranged at the extending ends of the two first electric push rods correspondingly, and the upper ends of the two scraping and sweeping plates are connected by arranging a telescopic scraping plate. The adsorption mechanism comprises a telescopic adsorption plate, the telescopic adsorption plate is arranged at the bottom of the machine body, and a dust storage cavity is formed in the machine body; during use, along with movement of the machine body, the inner wall of the powder spraying chamber body is scraped and swept through cooperation of the scraping and sweeping plate and the telescopic scraping plate, meanwhile, accumulated powder on the inner bottom wall of the powder spraying chamber body is scraped and swept through the telescopic adsorption plate, and the accumulated powder is continuously sucked into the dust storage cavity through the telescopic adsorption plate through operation of the fan unit; therefore, the powder spraying chamber main body is more convenient to clean.

The utility model relates to the technical field of washing powder production, in particular to a powder spraying tower structure for washing powder production, which comprises a tower kettle, a three-way connecting pipeline, a fan, an air booster pump, a compressed air spraying pipe, a flow guide part and a guide part, the three-way connecting pipeline is located at the bottom of the tower kettle, the fan is arranged on one side of the three-way connecting pipeline, the air booster pumps are arranged on the two sides of the exterior of the tower kettle, the air booster pump close to one side of the fan is higher than the air booster pump on the other side, and the compressed air spray pipes are arranged on output pipes of the air booster pumps. The output end of the compressed air spray pipe is arranged in the tower kettle, and the flow guide pieces are arranged on the two sides in the tower kettle and are close to the height of the flow guide piece on the other side of the bottom of the flow guide piece on one side of the fan. The washing powder drying device has the advantages of being simple in structure, reasonable in design, complete in functionality, capable of slowing down the descending speed of washing powder and capable of drying the washing powder more comprehensively and effectively.

The utility model relates to the technical field of drawer sliding rail processing, and discloses a drawer sliding rail powder spraying and coating production line which comprises a protective side plate and an arranged material conveying roller, and a top cover plate is installed at the top of the protective side plate. The side connecting seats are arranged at the top and the center of the inner cavity of the protective side plate, powder spraying heads are installed on the surfaces of the side connecting seats and the protective side plate, and the feeding ends of the powder spraying heads are connected with material guiding pipes in a communicating mode; and the receiving box is arranged in the center of the bottom of the protective side plate. According to the drawer sliding rail powder spraying and coating production line, the material conveying roller drives the drawer sliding rail to move on the protection side plate, powder materials can be conveyed into the powder spraying heads through the external draught fan and the material guiding pipe, the powder materials are sprayed to the outer surface of the drawer sliding rail, and the powder spraying heads are arranged on the periphery of an inner cavity of the protection side plate; according to the drawer sliding rail spraying device, comprehensive spraying operation can be conducted on the drawer sliding rail, a turning-over mechanism is not needed, the production cost is reduced, and the collision phenomenon generated when the drawer sliding rail turns over is avoided.

This invention relates to an online method for preparing an anti-oxidation coating on the inner wall of a seamless steel pipe, comprising the following steps: placing a steel billet heated to 1000°C to 1300°C on a piercing platform; performing a first piercing by moving the mandrel relative to the steel billet; performing a second piercing on the steel billet after the first piercing; during the first piercing, when the mandrel is submerged in the steel billet, spraying anti-oxidation powder onto the inner wall of the steel pipe using a powder spraying device. Using this online method for preparing an anti-oxidation coating on the inner wall of a seamless steel pipe, anti-oxidation substances can be sprayed onto the inner wall of the steel pipe simultaneously with piercing, solving the technical problem of severe oxidation of the inner wall of the steel pipe during the piercing process through online preparation. This avoids the oxide scale generated damaging the quality of the inner wall of the seamless steel pipe in subsequent piercing processes, avoids the need for additional grinding processes, and even avoids the scrapping of the steel pipe.

The utility model relates to the technical field of powder spraying equipment, in particular to a multi-angle aviation accessory automatic powder spraying device which comprises a bearing shell, a plurality of electrostatic powder spraying equipment bodies, two position adjusting mechanisms and a hanging mechanism. A shielding plate is slidably connected into the limiting shell, and the multiple electrostatic powder spraying equipment bodies are arranged at the two ends of the interior of the bearing shell correspondingly. According to the aviation accessory electrostatic powder spraying device, the position adjusting mechanisms are arranged at the two ends of the interior of the bearing shell, the multiple electrostatic powder spraying device bodies and the spraying heads are used in cooperation, electrostatic powder spraying can be conveniently conducted on aviation accessories, and a first motor is started, so that a rectangular plate and a connecting plate move; and then a second motor is started to enable a connecting block to move, so that the multiple nozzles are deflected, and then powder spraying treatment can be conveniently conducted on the accessories from multiple angles.

The utility model is suitable for the technical field of powder spraying devices, and discloses a metal plate powder spraying device which comprises a powder spraying operation room, a metal plate conveying track, a reciprocating driving assembly, a powder spraying assembly, a first powder collecting pipe, a cyclone separator, a dust suction fan and a collecting box. In the powder spraying process, the dust suction fan is kept in an on state, so that powder drifting in the powder spraying operation room can be sucked into the cyclone separator through the first powder collecting pipe, and through gas-solid separation treatment of the cyclone separator, the powder can be separated from airflow and falls into the collecting box through the discharging opening in the bottom of the cyclone separator to be collected; therefore, powder can be effectively collected. Moreover, the powder drifting in the powder spraying operation room can be pumped to the cyclone separator through the first powder collecting pipe, so that the powder is not easy to scatter to the outside of the powder spraying operation room through the feed port and the discharge port of the powder spraying operation room, the waste of the powder can be reduced, and the problem of environmental pollution can be avoided.

The application discloses a medical hemostatic powder spraying device and relates to the technical field of medical hemostatic powder, which is characterized in that the device comprises a quantitative powder discharging assembly arranged in the interior of a shell and used for quantitatively discharging powder, a quantitative gas feeding assembly arranged in the interior of the shell and used for quantitatively feeding gas, and a linkage assembly arranged between the quantitative powder discharging assembly and the quantitative gas feeding assembly and used for controlling the quantitative powder discharging assembly and the quantitative gas feeding assembly to work cooperatively. The quantitative powder discharging assembly can quantitatively discharge the hemostatic powder, so that the powder discharging amount can be accurately controlled. The quantitative gas feeding assembly can quantitatively feed gas, so that the gas discharging amount is controlled, and the airflow for spraying the powder is more uniform. The quantitative powder discharging assembly and the quantitative gas feeding assembly work cooperatively, so that the accurate powder discharging amount is uniformly blown out, and the spreading of the hemostatic powder is more uniform and efficient.