67 results about "Electrostatic coating" patented technology

An electrostatic coating system including of a novel technique of height adjustment through pressure sensing and feedback mechanism in twin-phase air-assisted and forced-liquid flow based electrostatic nozzle(s). A variable height electrostatic edible coating system provides uniform and efficient coating to ensure shelf-life extension, improved nutritional value and enhanced sensory attribute.

The utility model relates to an electrostatic coating device, which aims to solve the technical problem that the current paint liquid drops on equipment and is difficult to clean, and comprises a spraying rack, an electrostatic spraying gun is arranged on a Y-axis driving lead screw of the spraying rack, and the electrostatic coating device further comprises a drip-proof structure; the drip-proof structure is arranged at the bottom of the electrostatic spraying gun base; the drip-proof structure comprises a transverse plate and a collecting box; the inner end of the transverse plate is fixedly arranged at the bottom of the electrostatic spraying gun base; the collecting box is arranged at the outer end of the transverse plate. The paint liquid collecting device has the advantages that paint liquid dripping from a muzzle of the electrostatic spraying gun is collected, and the dripping paint liquid cannot drip disorderly.

The objective is to provide a painting method that enables the reuse of hangers used in electrostatic painting in a short time and at low cost. [Solution] A painting method comprising: an electrostatic painting step of electrostatically painting a metal object to be painted supported by a metal hanger grounded to earth; and a laser irradiation step of, after removing the object to be painted from the hanger, burning off the paint that adhered to the contact portion of the hanger that was in contact with the object to be painted in the electrostatic painting step by irradiating it with a laser.

To provide an electrostatic coating device and an electrostatic coating method capable of expanding the adjustment width of a discharge amount of liquid and more accurately controlling a discharge mode of the liquid.SOLUTION: An electrostatic coating device 1 comprises: a syringe 10 having a storage space 11 and a nozzle 12; an opposing electrode 41 that is disposed to face the syringe 10; a voltage generator 42 that applies a voltage between the syringe 10 and the opposing electrode 41; a pressure generator 22 that applies pressure to the storage space 11; a measuring device 50 that measures a property of liquid 2 in the storage space 11; and a control device 30. The control device 30 synchronously varies a voltage applied by the voltage generator 42 and a pressure applied by the pressure generator 22 to discharge the liquid 2 from the nozzle 12, and changes the voltage value and the pressure value on the basis of a measurement value obtained by the measuring device 50.SELECTED DRAWING: Figure 2

1. The name of the design product: powder electrostatic coating room. 2. The use of the design product: for electrostatic powder coating and powder collection. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

Even if the distance between the tip of the electrostatic gun and the object being coated changes, the coating process can be safely and reliably completed without stopping the coating process. [Solution] The electrostatic painting system comprises an electrostatic gun and an electrostatic controller that controls the voltage output from the electrostatic gun. The electrostatic controller monitors the output voltage and output current of the electrostatic gun and can switch between constant voltage control, which maintains the output voltage constant, and current limiting control, which limits the output current to a range that does not exceed the current value at which sparks occur. Furthermore, if the output current exceeds a preset first current threshold while constant voltage control is being performed, the controller switches to current limiting control. If the output voltage exceeds a preset voltage threshold while current limiting control is being performed, the controller applies a pulse voltage set to a voltage with an absolute value greater than the voltage threshold. If the output current at the time of pulse voltage application is less than a second current threshold set to a value less than the first current threshold, the controller switches from current limiting control to constant voltage control.

A coating method comprising: an electrostatic coating step of electrostatically coating a metal object supported by a metal hanger grounded to the ground; and a laser irradiation step of, after removing the object from the hanger, burning out, by laser irradiation, a coating material having adhered in the electrostatic coating step to a contact portion, said contact portion being the portion of the hanger that was in contact with the object in the electrostatic coating step.　

The utility model discloses an electrostatic coating machine for motor manufacturing, which comprises a working table, the top of the working table is fixedly provided with an electrostatic coating chamber, two sides of the top of the working table are both fixedly provided with vertical blocks, two conveying rollers are rotatably arranged between the two vertical blocks, the two conveying rollers are symmetrically arranged, and the vertical blocks are fixedly arranged on the working table. The top of the workbench is slidably provided with two top blocks, the two top blocks are both arranged under the conveying rollers, the tops of the two top blocks are fixedly provided with cleaning strips, and the cleaning strips are made of rubber materials; when the device is used, the rotor is fixedly installed on the rotating shaft, and the two ends of the rotating shaft are placed on the two conveying rollers, so that friction force between the rotating shaft provided with the rotor and the conveying rollers is changed, and paint on the conveying rollers is cleaned through the cleaning strips at the tops of the vertical blocks; the cleaning strip made of flexible rubber can be tightly attached to the surface of the conveying roller, and the coating just making contact with the conveying roller is cleaned in time.

A method for manufacturing an electrically conductive member, which includes: attaching a powder to a surface of a metal member by an electrostatic coating method, the powder containing a thermoplastic polyimide containing a structural unit represented by formula (1); and forming an insulating coating film by melting the attached powder by heating, in an IR spectrum of the insulating coating film, at least one of the following conditions is satisfied: a ratio I ‑1 / I 1487 of an absorption intensity I ‑1 at 1487 cm 1778 to an absorption intensity I 1487 at 1778 cm 1778 is 3.0 to 5.0; and a ratio I ‑1 / I 1232 of an absorption intensity I ‑1 at 1232 cm 1778 to an absorption intensity I 1232 at 1778 cm 1778 is 3.0 to 5.0.

The spray gun structure comprises a spray gun body, a fixed shell is fixedly connected to the outer wall of the front end of the spray gun body, a spray head assembly is fixedly connected to the inner wall of the fixed shell, and a dismounting mechanism is arranged on the outer wall of the front end of the spray head assembly. The dismounting mechanism comprises a fixing ring rigidly connected to the outer wall of the front end of the spray head assembly, a fixing pipe is rotationally connected to the outer wall of the fixing ring, and a nozzle is arranged on the outer wall of the front end of the fixing ring. The spray gun structure for electrostatic coating spraying is simple in structure and convenient to use, the nozzles and the like of the spray gun structure can be rapidly switched according to use requirements of different application scenes, and loss and the like caused by mistaken touch of operators can be effectively avoided.

This invention belongs to the field of electrostatic coating equipment, and particularly relates to a high-efficiency electrostatic coating equipment for rod-shaped workpieces. It includes a spray booth and a guide rail passing through the spray booth. Rod-shaped workpieces are suspended on the guide rail. At least one set of electrostatic spraying mechanisms is installed inside the spray booth. Each electrostatic spraying mechanism includes a liquid paint tank, a spray frame, a paint receiving frame, a paint recovery tank, and a fan. The spray frame is mounted on the liquid paint tank and has several nozzles installed inside, with the nozzles facing rearward. The paint recovery tank is located behind the paint receiving frame, and its upper end is connected to both the paint receiving frame and the fan via pipes. A spray baffle is installed inside the spray booth between the paint receiving frame and the paint recovery tank. With the cooperation of the nozzles and the spray baffle, the atomized paint is always maintained in the spraying area directly below the guide rail for the rod-shaped workpiece to pass through, increasing the contact time between the paint and the rod-shaped workpiece and thus improving the spraying quality.

The utility model discloses an anti-corrosion spraying device for an electrostatic coating anti-corrosion pipeline, which belongs to the technical field of spraying devices and comprises a support frame, conveying components are arranged at two ends of the top of the support frame, and a driving part for controlling the two conveying components to operate synchronously is mounted on one side of the support frame. A spraying assembly and a drying assembly are arranged in the supporting frame and located between the two conveying assemblies, auxiliary parts used for limiting lateral deviation of the pipeline are arranged at the front ends and the rear ends of the two conveying assemblies correspondingly, and each conveying assembly comprises two conveying rollers rotationally installed on the supporting frame. The pipeline anti-corrosion spraying device solves the problems that an existing pipeline anti-corrosion spraying device is simple in structure, the surface of a pipeline cannot be evenly sprayed conveniently, continuous spraying on the outer portion of the pipeline cannot be achieved conveniently, and the spraying efficiency is high. And the anti-corrosion spraying efficiency on the pipeline is low, and people cannot use the anti-corrosion spraying device conveniently.

This invention relates to a rotary electrostatic plastic-coated tube array baking and curing device. A rotating assembly is installed within a housing. The rotating assembly includes a central rotating shaft driven by a motor, with wheel disks at both ends. Multiple plastic-coated tube arrays are arranged between the two wheel disks. An electric heater is installed at the bottom of the housing, and two cross-flow fans are installed above the electric heater, spaced apart on both sides of the lower part of the rotating assembly. Air duct baffles are installed on both sides of the rotating assembly above the cross-flow fans. The electric heater and cross-flow fans on both sides of the bottom, separated by air duct baffles, allow for heating and baking of the plastic-coated tube arrays on the rotating assembly. This invention ensures uniform heating of the plastic-coated tube arrays, resulting in the plastic powder melting and adhering evenly to the tube wall. This avoids uneven plasticizing caused by uneven flow and temperature, guaranteeing the quality of the plastic coating and curing. It is suitable for large-scale production of plastic coating and curing on the surfaces of bare tubes or finned tubes, improving production efficiency.

To prevent dryness of a nozzle to prevent clogging of the nozzle, caused by solidification of the liquid in the nozzle, preferably.SOLUTION: An electrostatic coating applicator 1 includes: a syringe 11 serving as a liquid discharge part having a nozzle 12 for discharging an ink 2 at a tip; and an electrostatic force generating circuit 25 which generates electrostatic force for retaining a humectant 3 for preventing dryness near the nozzle 12. The electrostatic force generating circuit 25 controls a position where the humectant 3 is present by controlling whether or not the electrostatic force is generated and a magnitude of the electrostatic force.SELECTED DRAWING: Figure 1

The utility model relates to the technical field of coating machines, and discloses an electrostatic coating machine which comprises an equipment frame, a spraying box is arranged at the top of one side of the equipment frame, and an equipment motor, an equipment lead screw, a movable plate, a hydraulic rod and a movable hydraulic machine are connected to one side of the equipment frame in an inserted mode. The spraying device is reasonable in structure, the movable plate drives the spraying plate to slide on the equipment frame, the spraying plate stretches out and draws back on the movable plate, the spraying plate quickly moves on the equipment frame to adjust the position and the height, subsequent fixing of workpieces is facilitated, the hydraulic rod is used for supporting, shaking is avoided when the position and the height of the spraying plate are adjusted, and the spraying device is convenient to use. The spraying base moves in the spraying cover at a constant speed, the electrostatic generator enables generated high voltage and corona to discharge, then charges are generated near the spraying gun for spraying, paint is sucked to a workpiece, the uniformity and quality of a sprayed coating are guaranteed, the top heating plate and the curing heating plate heat the interior of the curing box, and the spraying effect is improved. And the molten powder is tightly attached to the surface of the sprayed workpiece.

The invention discloses a film coating device for filter film production based on an electrostatic film coating method, relates to the technical field of filter films, and provides the following scheme aiming at the problems that a base material provided by the background technology is easy to form secondary pollution, the base material cannot be subjected to real-time dust removal treatment, slurry cannot be stably attached to the base material, and the film coating effect is poor. Comprising a base and a base material, the mounting mechanism comprises two mounting seats which are respectively connected to the outer wall of the top of the base through bolts, and two ultrasonic dust removers which are respectively connected to the outer walls of the opposite sides of the two mounting seats through bolts; the two atomization depositor and the two terahertz pulse irradiator are respectively connected to the outer walls of the opposite sides of the two mounting seats through bolts. According to the device, dust attached to a base material can be cleaned in real time, secondary pollution of the base material in the conveying process is prevented, the situation that slurry cannot be stably attached to the base material is avoided, and the film coating effect is improved.

To provide an electrostatic coating gun that can achieve improvement in coating efficiency while suppressing occurrence of electrostatic repulsion.SOLUTION: An electrostatic coating gun comprises: a body part; a paint passage provided in the body part; a rectification part which generates revolution flow in powered paint flowing in the paint passage; a discharge electrode to which a high voltage is applied; and a nozzle having a plurality of ejection ports which are provided around the discharge electrode and eject the powered paint flowing the paint passage. The ejection port is formed into a shape that is twisted with respect to a flow direction of the powered paint in the paint passage.SELECTED DRAWING: Figure 5

Provided is an electrostatic coating device in which the discharge modes of two fluids can be controlled independently of each other.　The electrostatic coating device 100 comprises: a nozzle 1 having a discharge hole 10, a conductive first pipe body 11, which has a first flow passage 16 as a flow passage for a first fluid F1 and reaches the discharge hole 10, and a conductive second pipe body 12, which has a second flow passage 17 as a flow passage for a second fluid F2 and reaches the discharge hole 10; a counter electrode 2 positioned facing the discharge hole 10; and a voltage control unit 51 capable of applying a first drive voltage between the first pipe body 11 and the counter electrode 2 and a second drive voltage, different from the first drive voltage, between the second pipe body 12 and the counter electrode 2.

The invention relates to the technical field of metal spraying, and discloses a tobacco frame surface electrophoretic spraying composite process which comprises the following steps: S1, surface pretreatment: performing degreasing, pickling, surface conditioning and phosphating treatment on a to-be-treated metal tobacco frame; s2, carrying out immersion type electrophoresis: washing the metal cigarette frame, and carrying out electrophoresis treatment; s3, cleaning and curing are conducted, specifically, the metal smoke frame is washed and then dried, and an electrophoretic coating layer is formed; s4, electrostatic powder spraying; and S5, secondary drying and curing. In the surface pretreatment process, a layer of phosphating film is formed on the surface of the metal cigarette frame through phosphating treatment, then a traveling immersion type electrophoresis process and an electrostatic powder spraying process are combined, and a high-quality electrophoretic coating layer and a high-quality electrostatic coating layer are formed on the outer side of the phosphating film through secondary drying and curing; the aim of being not easy to oxidize and rust after collision is fulfilled; and the coating has the characteristics of difficult discoloration, strong corrosion resistance, difficult weathering and pulverization phenomena, strong adhesive force and good durability, and automatic flow line production is realized.

The electrostatic coating plant includes an abnormality detection unit that detects abnormalities of a bumper. The detection of the abnormalities can be based on the difference between the level of the high voltage outputted from a high voltage generator, and the voltage level obtained when the electrostatic coating machine, which is not spraying coating material, is placed at a measurement position opposite to and separated by a predetermined separation distance from multiple measurement points on the bumper, arranged at the coating position, and lines of electric force are formed to the bumper with a constant current level.

The invention relates to the technical field of spraying equipment, in particular to an electrostatic coating production line for a composite material photovoltaic frame. The technical problems that due to the fact that an existing photovoltaic frame spraying device cannot effectively cover a groove area of a photovoltaic frame, spraying is insufficient, the surface of the photovoltaic frame is uneven, spraying is uneven, and the spraying quality of the photovoltaic frame is low are solved. An electrostatic coating production line for a composite material photovoltaic frame comprises a processing production line, a sliding rail and a coating workshop are arranged on the processing production line, an electric sliding block is connected to the sliding rail in a sliding mode, and two large rotary disc nozzles and a set of small rotary disc nozzles are arranged in the coating workshop. By rotating the photovoltaic frame, the side wall of the groove of the photovoltaic frame can be sprayed more sufficiently, meanwhile, the periphery of the photovoltaic frame can be sprayed more uniformly, and the spraying quality of the photovoltaic frame is improved.

The present disclosure generally relates to a system for storing and continuously supplying a powder or granular material for use in an electrostatic coating system or process, and in particular to one or more apparatuses for precisely supplying a continuous fluidized stream of granules. What is also contemplated is embodiments wherein one or more apparatuses include a powder feed hopper for receiving a fine granular material and delivering a precise and continuous fine granular material flow to a downstream powder coating system or process. In embodiments, the one or more apparatuses include a tilt table for precisely managing the bulk fine granular material stored in containers, such as a Gaylord container, by ensuring a continuous, precise, and controlled supply of fine granular material to a downstream powder coating system or process.

The present application relates to the technical field of spraying equipment, and particularly relates to an electrostatic coating production line for a composite photovoltaic frame. The technical problem is that the existing photovoltaic frame spraying device cannot effectively cover the groove area of the photovoltaic frame, resulting in insufficient spraying, and the surface of the photovoltaic frame is uneven, which leads to uneven spraying, thereby resulting in low photovoltaic frame spraying quality. An electrostatic coating production line for a composite photovoltaic frame comprises a processing production line, the processing production line is provided with a sliding rail and a coating workshop, the sliding rail is slidably connected with an electric sliding block, and the coating workshop is provided with two large rotary disc spray heads and a group of small rotary disc spray heads. By rotating the photovoltaic frame, the groove sidewall of the photovoltaic frame can be sprayed more fully, and the photovoltaic frame can be sprayed more uniformly around, thereby improving the photovoltaic frame spraying quality.

The durability of resin components can be improved by preventing ozone from staying in gaps where there is no air flow. A cylindrical gap is provided around the outer peripheral side of the head portion between the head portion and the resin cover portion covering the outer peripheral side of the head portion. Moreover, the head portion is provided with a pilot air introduction path guiding the pilot air exhausted from the switching valves to the cylindrical gap. In addition, the arm portion is provided with a pilot air exhaust path exhausting the pilot air from the cylindrical gap to the outside.

The present invention generally relates to an electrostatic coating system for spraying a stream of particles onto a medium, and in particular to a system comprising one or more apparatuses equipped with a powder coating suspension device. What is also contemplated is the use of a powder management system configured to supply predetermined powdered and air mixtures to the apparatus and a controller configured to adjust parameters of operation of both the apparatus and the powder management system. The present disclosure relates to an in-line industrial device able to coat paint, starch, thermoplastic materials, or any other powder material onto a medium by successively controlling a plurality of parameters.

To provide an electrostatic coating device that can control discharge modes of two fluids independently from each other.SOLUTION: An electrostatic coating device 100 comprises: a nozzle 1 having a discharge port 10, a conductive first shell 11 having a first flow channel 16 that is a flow channel for a first fluid F1 and extends to the discharge hole 10, and a conductive second shell 12 having a second flow channel 17 that is a flow channel for a second fluid F2 and extends to the discharge hole 10; a counter electrode 2 which is so positioned as to face the discharge port 10; and a voltage control part 51 which can apply a first drive voltage between the first shell 11 and the counter electrode 2, and can apply a second drive voltage different from the first drive voltage between the second shell 12 and the counter electrode 2.SELECTED DRAWING: Figure 1

The invention relates to the technical field of polysiloxane spraying, in particular to an electrostatic uniform spraying device which comprises a main body plate, a moving mechanism is arranged at the upper end of the main body plate and comprises two guide grooves symmetrically formed in the upper end of the main body plate, and the main body plate is slidably connected with two symmetrically-arranged guide bodies in the guide grooves; third containing grooves are formed in the upper ends of the guiding bodies correspondingly, the two guiding bodies are fixedly connected with second electric telescopic rods in the third containing grooves correspondingly, and the telescopic ends of the two second electric telescopic rods are fixedly connected with third motors. And the transmission shaft ends of the two third motors are fixedly connected with an electrostatic coating mechanism and a cleaning mechanism correspondingly. Materials such as polysiloxane coating in the storage tank enter the third conveying pipe under the driving of air pressure, and then a plurality of materials enter the first conveying pipe together through the second conveying pipe, so that a plurality of components can enter the first conveying pipe at the same time according to the flow speed of the control valve.

This invention discloses a motor stator coating apparatus, comprising a frame, a coating conveyor line, a return conveyor line, and several tooling fixtures conveyed on the coating and return conveyor lines; transfer components are provided between the output end of the return conveyor line and the input end of the coating conveyor line, and between the output end of the coating conveyor line and the input end of the return conveyor line; an electrostatic coating device is provided on the coating conveyor line, and a loading / unloading device is provided on the return conveyor line; the loading / unloading device includes: a liftable lifting component located below the return conveyor line for lifting the tooling fixtures; a liftable stator clamping component located below the return conveyor line and corresponding to the position of the lifting component for lifting and clamping the motor stator; and disassembly / assembly components located on both sides of the stator clamping component for clamping both ends of the tooling fixtures to remove or insert them. This invention has the advantage of high efficiency.

Inner cylinder surface of shaping air ring may be formed to a uniform inner diameter dimension. After first shaping air discharge unit has been formed as an annular gap, the gap dimension may be set to 0.1 to 1.0 mm. Front end of shaping air ring is positioned 0.1 to 10.0 mm from discharge edge of rotary atomizing head. The radial width dimension of front end is set to 2 mm or less. Front outer cylinder surface of shaping air ring has a taper angle β of 25° or less in relation to the axis line O-O, expanding toward the rear side.

Silver color coating films formed using a silver color coating material composition that includes an aluminum flake pigment have weak coating film strength and need better abrasion resistance.　The present invention provides an abrasion-resistant silver color coating material composition that contains a hydroxyl group–containing acrylic resin, a curing agent, a phosphoric acid group–containing acrylic resin, and an aluminum flake pigment, the silver color coating material composition being characterized in that an aluminum flake pigment that has undergone a molybdenum surface treatment is at least 30 mass% of the entire aluminum flake pigment. The present invention also provides a silver color coating film formation method that involves using an electrostatic coating machine to sequentially apply a silver color coating material composition and a clear coating material to a substrate by wet-on-wet and then simultaneously curing both of the resulting coating films, the silver color coating film formation method being characterized in that the silver color coating material composition is the silver color coating material composition previously described.