491results about "Liquid spraying plants" patented technology

The invention provides an intelligent coating method and system for a paint-free suite door. The method comprises the following steps: continuously scanning the surface of a door body through a multi-band optical detection device to obtain reflection intensity data of visible light and near-infrared bands, and synchronously collecting environment temperature and coating temperature data of a coating area; activating the composite electromagnetic shielding structure to absorb external interference, and transmitting the purified multi-source data through a star topology network; carrying out denoising processing on the reflection intensity based on a dynamic modeling algorithm, and carrying out dynamic calibration on the coating thickness model in combination with the real-time temperature parameters to generate a three-dimensional thickness distribution thermodynamic diagram; and the high-degree-of-freedom mechanical arm is driven to execute space trajectory compensation motion, and finally stress balance control in the coating curing process is achieved. According to the technical scheme provided by the invention, accurate control over the coating thickness uniformity and active inhibition of thermal stress in the coating process of the paint-free suite door are achieved, and the coating quality and the process stability are remarkably improved.

The invention discloses an intelligent industrial control system and method for electrostatic spraying of an aluminum veneer, and relates to the technical field of spraying control, and the control method comprises the following steps: generating a corresponding spraying record for each spraying process of the aluminum veneer; performing multi-dimensional quality evaluation to obtain a quality evaluation value of any spraying record; performing category division on the dimension data of each dimension to respectively obtain feature sets under different category dimensions; analyzing the difference condition of quality evaluation of each feature in the same category in different spraying records to obtain the correlation degree between the features in the same category; analyzing deviation conditions of different types of features in different spraying records to obtain influence degrees among different types of features; when the aluminum veneer is sprayed, data acquisition is synchronously carried out, a real-time evaluation value at the current moment is obtained, and abnormity identification is carried out; and for an existing abnormal condition, making a corresponding adjustment strategy to adjust each abnormal feature.

The invention relates to the technical field of aluminum decorative strip coating, and discloses an aluminum decorative strip color coating optimization system based on automatic control, which comprises a material pretreatment layer, a coating control layer and a quality detection layer. The material pretreatment layer is used for treating the surface of the aluminum decorative strip through surface cleaning, base material activation, roughness detection and adhesive force test; the coating control layer realizes coating control by utilizing a color blending unit, a spraying robot cluster, a dynamic temperature control module and a distributed controller in combination with a real-time color matching algorithm and a self-adaptive path planning mechanism; and the quality detection layer adopts an image analysis technology and a deep learning algorithm to construct a coating quality feature model, and color difference detection, defect positioning and process parameter compensation decision are realized. According to the system, automation, precision and intellectualization of the aluminum decoration strip coating process are achieved, the coating quality and the production efficiency are improved, and the system is suitable for the field of aluminum decoration strip color coating.

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 hanging tool, hanging tool cleaning equipment and a working method of the hanging tool cleaning equipment, and relates to the technical field of metal surface coating processes and coating waste paint removal. According to the hanger, the conductive metal tube is coated with the fluorine-containing composite material (such as PFA and FEP), so that a low-friction, high-temperature-resistant and corrosion-resistant composite structure is formed, and the powder adsorption rate is remarkably reduced. Due to the design of the cross section and the selection of materials, the binding force of powder and the hanging tool is reduced due to a special cavity between the paint layer and the hanging tool, so that the difficulty of paint layer separation is reduced. A hollow gas guide channel and a T-shaped gas guide groove are formed in the self-cleaning device, and the self-cleaning function is achieved through gas purging. The matched powder separation equipment utilizes a gas generator and a powder-gas separation device, negative pressure convection is formed in a sealed cavity, residual powder on the surface of the hanger is efficiently removed, and energy consumption and pollution of a traditional paint removal process are avoided. The powder adsorption amount is reduced, the hanger turnover and maintenance cost is reduced, the production efficiency is improved, and environmental protection and economical efficiency are both considered.

The invention relates to a counter-ion adsorption high-voltage electrostatic spraying device and application thereof to preparation of a food sugar coating, and belongs to the technical field of equipment machinery and food processing. The device comprises a material conveying system, a high-voltage electrostatic spraying system, a sugar liquid supply system, a gas supply system, a sugar liquid recovery system, a microwave vacuum drying system and a control cabinet, the sugar liquid supply system and the gas supply system are both connected with the high-voltage electrostatic spraying system, the material conveying system is arranged below the high-voltage electrostatic spraying system, the material conveying system is connected with the microwave vacuum drying system, and the sugar liquid recovery system is further arranged below the material conveying system; the above systems are all controlled by a control cabinet. Through pulse switching of a high-voltage electrostatic field and a sugar liquid material, counter-ion charge accumulation of sprayed sugar liquid is realized, namely, positive charge sugar liquid (chitosan and the like) and negative charge sugar liquid (Arabic gum, carrageenan and the like) are alternately sprayed under the high-voltage electrostatic field, so that electrostatic adsorption and directional deposition of the sugar liquid on the surface of food are realized.

The purpose of the present invention is to provide a hopper for washing a coating machine, the hopper being capable of reliably separating air from other components in waste paint and discharging only the air without leakage of waste liquid to the outside. A hopper 21 for washing a coating machine according to the present invention includes a cylindrical body 46 that has an opening 46c at an upper end thereof and an upper lid 24 that covers the opening 46c. The upper lid 24 has an insertion hole 22 through which a rotary atomizing head 30 that is rotatably provided in a coating machine 4 can be inserted into the cylindrical body 46. The hopper 21 further includes a tank-like member 23 outside the cylindrical body 46. The tank-like member 23 has: a cylindrical outer wall portion 41 in which an exhaust hole 43 is formed at an upper section thereof; and a bottom portion 42 an inner surface of which is curved inward. A baffle plate 44 for restricting crawling up of waste paint ejected from the rotary atomizing head 30 is made to protrude from a lower inner surface of the outer wall portion 41 all around the inner surface. Selected drawing: FIG. 2

The invention discloses a low-residue electrostatic powder automatic spraying system for a medical equipment structural part, and relates to the technical field of electrostatic spraying equipment. The system comprises a machining platform and a spraying chamber, a U-shaped communicating opening and a glass window are arranged in the middle section of the spraying chamber, and a hoisting conveying assembly, a spraying pretreatment assembly, an electrostatic spraying assembly, a spraying aftertreatment assembly and a hot air drying assembly are integrated in the spraying chamber; the hoisting conveying assembly achieves automatic transfer and posture adjustment of the structural parts through a driving rotating roller and a steering driving motor. The electrostatic spraying assembly adopts three symmetrical swinging spraying arms, and is matched with rotation of a rotating spraying box and movement of a lifting spraying seat to realize all-directional dead-corner-free spraying; a spraying and rolling brush composite cleaning process is adopted in pretreatment, and infrared curing and hot air drying are combined in aftertreatment. The system is high in integration degree, the spraying quality and the operation efficiency can be remarkably improved, the field occupancy rate is reduced, and the system is suitable for large-scale spraying operation of medical equipment structural parts.

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 invention discloses an all-dimensional spraying device for automobile special-shaped parts, and relates to the field of spraying equipment.The all-dimensional spraying device comprises a spraying workbench, a multi-angle adjusting mechanism, a plate mold and a spraying mechanism, the multi-angle adjusting mechanism, the plate mold and the spraying mechanism are installed on the spraying workbench, and the multi-angle adjusting mechanism comprises a transverse deflection plate, a longitudinal deflection plate and a negative pressure tool assembly; the transverse deflection plate is rotationally installed on the spraying workbench, the longitudinal deflection plate is rotationally installed on the transverse deflection plate, the deflection axis of the transverse deflection plate is perpendicular to the deflection axis of the longitudinal deflection plate, the negative pressure tool assembly comprises a plurality of negative pressure columns, and the negative pressure columns are sleeved with the plate molds. The overall dimension of the plate mold is matched with the overall dimension of a to-be-sprayed plate, the to-be-sprayed plate is attached to the plate mold, a plurality of heating cavities are independently formed in the negative pressure column tool and the plate mold, the spraying position of the plate always tends to be in a horizontal state, and the spraying position of the to-be-sprayed plate is in a synchronous curing mode. And the problem of self-flowing of the coating due to self gravity is avoided.

The invention relates to the technical field of fertilizer manufacturing, and discloses a high-efficiency fertilizer coating machine which comprises a base and further comprises a fixed cylinder connected to the left side of the top of the base, a fixed plate connected to the right side of the top of the base, two ends of a roller are rotationally connected with the fixed cylinder and the fixed plate respectively, and a coating mechanism is arranged on the roller. The impurity removing mechanism is arranged on the left side of the roller and used for removing impurities of the fertilizer entering the roller, and the screening mechanism is arranged on the right side of the roller. Through the synergistic effect of the electrostatic assembly and the atomizing spray pipe, coating agent fog drops are negatively charged, fertilizer particles are positively charged after being rubbed by a friction block, and dust particles are adsorbed by utilizing Coulomb force, so that dust dissipation is reduced, and the health of operators is guaranteed; coulomb force is utilized to break through the limitation of mechanical turning, so that coated liquid drops are directionally adsorbed to the surfaces of particles, and the coating effect of the fertilizer is improved.

The invention relates to the technical field of sheet metal part machining, and discloses a sheet metal part spraying device which comprises a spraying chamber. The conveying mechanism is used for installing the sheet metal part and driving the sheet metal part to pass through the spraying chamber; the position adjusting mechanism is located outside the spraying chamber and comprises a base, a support and a sliding seat; the support is adjusted and moved on the base in the direction perpendicular to the conveying direction of the conveying mechanism, and the sliding base is adjusted and moved on the support in the vertical direction. The spraying mechanism comprises a connecting frame and a spraying head; the connecting frame is connected to the sliding seat, the spray head is installed on the connecting frame, and meanwhile the spray head penetrates through the side wall of the spraying chamber to enter the spraying chamber; a moving groove allowing the connecting frame to penetrate through and move up and down is formed in the side wall of the spraying chamber in the vertical direction. The spraying device can improve the spraying quality of the sheet metal part.

The invention is suitable for the technical field of roller oiling, and provides a roller online electrostatic oiling device and an oiling method thereof.The roller online electrostatic oiling device comprises an adjusting surrounding assembly and an intermittent shielding assembly; the adjusting and surrounding assembly comprises an adjusting frame, a lifting motor, a lifting shaft, a lifting block, a lifting plate, a surrounding piece, a supporting rod, a movable block and an atomizing spray gun. The intermittent shielding assembly comprises a vertical plate, an annular sliding rail, an electric ring block, a triangular plate, a driving motor, a driving gear, a movable plate, gear teeth and a shielding plate. When a movable plate rotates to a triangular area of a triangular plate, one movable pin continues to slide along the interior of a triangular groove and extrudes a corresponding long strip to extrude the long strip back into a corresponding cutting groove, so that a corresponding short block is extruded out of the corresponding cutting groove, the other movable pin is pushed into an annular groove, the movable plate is turned over, and the short block is extruded out of the annular groove. And the process is repeated, so that the purpose of coating the two surfaces of the baffle plate with the lubricating oil mist is achieved, and part of the lubricating oil mist is coated on the surface of the baffle plate.

The invention relates to a periodic voltage controlled composite yarn space dyeing device and a space dyeing method, the composite space-dyed yarn is realized based on an array spinning dyeing technology, and intermittent generation of a color nano array is controlled through periodically changing high-voltage static electricity to form fiber strips, rough yarns and yarns with segmented colors. According to the yarn space dyeing device, dye bath and large-scale dyeing equipment do not need to be used, and energy consumption and water consumption are lower; according to the space dyeing method, the process batch is convenient to replace, various samples can be prepared by designing a drawing process, and the products are suitable for proofing and customizing personalized fabrics.

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.

Described are an apparatus for generating and collecting nanospray reactive droplets and a method for analyzing a protein digestion. The apparatus includes a capillary, counter electrode, collection vessel, electrostatic lenses, and voltage control module. The capillary receives a mixture that includes a protein and an enzyme and has an outlet disposed in the aperture to dispense the mixture. The collection vessel has a concave surface to receive a nanospray plume emitted from the capillary outlet. The counter electrode and electrostatic lenses are disposed along a nanospray path defined between the capillary outlet and the collection vessel. Each electrostatic lens is formed of an electrically conductive plate having an aperture therein to pass a nanospray reactive plume. The voltage control module is in electrical communication with and is configured to independently control the voltage of the capillary, the counter electrode, the collection vessel and each of the electrostatic lenses.

The invention provides an infrared temperature control electrostatic spraying system and method. The system comprises a mechanical execution module, an infrared temperature control module, an electrostatic spraying module, a feeding module and a control module. The electrostatic spraying module comprises a high-voltage electrostatic generator, an electrostatic spray gun and an atomization adjusting unit; the infrared temperature control module comprises an infrared temperature measurement sensor and a temperature data processing unit. The infrared temperature measuring sensor and the electrostatic spray gun move synchronously, the surface temperature of a workpiece is collected in real time, and the control module dynamically adjusts the output voltage of the high-voltage electrostatic generator, parameters of the atomization adjusting unit and the moving speed of the mechanical arm after receiving temperature data. According to the scheme, the problem of parameter adaptation imbalance caused by temperature difference in traditional spraying is effectively solved, the coating uniformity is greatly improved, stable spraying quality is guaranteed, and the production qualification rate is increased.

The invention relates to an apparatus (100) for electrostatically applying a liquid, atomised coating agent (1) to a substrate (110), in particular a metal strip or sheet metal strip to be wound as a coil, which substrate can be moved in a feed direction F, said apparatus comprising: a delivery device (2) or pump for the coating agent (1) that is provided in a tank or otherwise; a control unit (3) for the application process; a carrier (5) for holding an outlet device (2) in the form of a nozzle bar (50), wherein the outlet device (2) is arranged at least above, preferably above and below, the substrate (110) at a distance therefrom and is provided with at least one chamber (51, 52) and a plurality of outlets, slots or nozzle openings (54) directed towards the substrate (110), wherein the nozzle bar (50) has at least two chambers (51, 52) which are hydraulically separated from one another and each have separate feed lines (41, 42) for selectively different or the same types of coating agent (1) in the chambers (51, 52), and dedicated and integrated switching valves (60) for opening / closing the chambers (51, 52) and connections to the nozzle openings (54) or a group of nozzle openings (54) are provided in the nozzle bar (50) for each of the chambers (51, 52).

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 application relates to a water-based fluorocarbon color paste electrostatic spraying system and relates to the technical field of paint spraying equipment, which comprises a machine body, a spray gun for spraying workpieces is arranged on the machine body, a feed loop for conveying color paste to the spray gun is arranged on the machine body, an electrostatic generator is connected to the feed loop, and an adjusting mechanism for adjusting the opening and closing of the spray gun is arranged on the machine body. The electrostatic generator supplies power to the feed loop, and electrostatics are mixed into the color paste, so that the color paste is negatively charged; the adjusting mechanism opens the spray gun, and then the color paste mixed with the negative charge is sprayed on the workpiece with positive charge, and a uniform coating is deposited, so that the operation is convenient, and the possibility that the color paste is difficult to be adsorbed on the workpiece and causes uneven distribution of the color paste on the surface of the workpiece is reduced.

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

The invention discloses an electrostatic spraying system for lead product surface treatment, relates to the technical field of lead product surface treatment, and aims to solve the problem that a traditional single spraying mode is difficult to meet modern production requirements. The electrostatic spraying system comprises a spraying device, a spray gun rotating device, a control subsystem and a curing device; the spraying device comprises at least four independently-controlled electrostatic spray guns, and each electrostatic spray gun is provided with an independent adjusting mechanism to adjust the spraying position and angle. The workpiece rotating device is used for driving a lead product to rotate and comprises a base, a rotating shaft and a fixing clamp. The spray gun rotating device is used for driving an electrostatic spray gun to rotate around a workpiece and comprises an annular rail frame and a driving mechanism. And the control subsystem is used for generating a spraying path and controlling the spraying device, the spray gun rotating device and the curing device to operate. The method has the advantage that the coating efficiency and the coating quality of the lead product are improved.

An applicator for electrostatic deposition of dry powder on a grounded continuous moving electrically conductive web is provided that includes a powder feeding system, at least one powder dispenser, an electrostatic deposition chamber, and at least one wire electrode in the electrostatic deposition chamber. An opening of a powder dispenser outlet is arranged along the latitude of the electrically conductive web, and the ratio of the width of the outlet opening and the coating width of the web is in the range of 0.25-1.0. The powder dispenser has a defined angle relative to the web and a vertical distance between the powder dispenser outlet and the web. The first wire electrode generates a corona discharge zone with a radius and have a vertical distance between the web.

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 discloses an aluminum profile electrostatic powder spraying hanger, and relates to the field of spraying hangers, the aluminum profile electrostatic powder spraying hanger comprises a hanging bracket, one end of the outer part of the hanging bracket is provided with a sliding groove, the inner wall of the sliding groove is slidably connected with a sliding rod, and one end of the hanging bracket far away from the sliding rod is fixedly connected with a fixed rod; the ends, away from the hanging bracket, of the sliding rods and the fixed rods are fixedly connected with connecting frames, elastic inner clamping mechanisms are fixedly installed on the inner sides of the two connecting frames, an elastic reset mechanism for driving the sliding rods to slide is installed at the back end of the hanging bracket, and the two elastic inner clamping mechanisms conduct inner clamping on an inner cavity of the end of the aluminum profile. By arranging the elastic reset mechanism and the elastic inner clamping mechanism, aluminum profiles of different sizes can be hung, and the application range is wider.

Provided is a pattern forming apparatus which may form a pattern on a substrate with high precision by using a material including an organic material, the pattern forming apparatus including: a capillary facing a grounded substrate and capable of storing a solution including a sample; a power source applying a voltage to the capillary; a stencil mask disposed between the capillary and the substrate, and including an opening through which the sample passes; and a cross-direction actuator moving the stencil mask in a cross direction crossing a direction in which the sample passes.

A painting target surface (W1) of a resin bumper (W) is painted by discharging a paint mist from a spray gun (61) toward the painting target surface (W1) with a charged conductor (2) arranged in contact with an opposite side to the painting target surface (W1). The paint mist is uncharged or is charged with electric charges having an opposite polarity to that of the conductor (2) and at a potential having a lower absolute value than that of the conductor (2).

The utility model discloses a swing arm electrostatic paint spraying hanger, which relates to the field of paint spraying, and has the technical scheme that the swing arm electrostatic paint spraying hanger comprises a main frame body and a plurality of auxiliary hanging frames, the main frame body is of a quadrilateral frame structure and comprises two long rods and two short rods, one long rod is provided with a plurality of conductive joints, and the other long rod is provided with a plurality of brackets; the conductive connectors and the brackets are in one-to-one correspondence and are the same in height, one end of each auxiliary hanging frame is detachably connected with the corresponding conductive connector, the other end of each auxiliary hanging frame is supported by the corresponding bracket, and a plurality of hanging piece hooks are arranged on the auxiliary hanging frames. Through the matching design of the clamping sleeve joint and the threads, the auxiliary hanging racks can be quickly replaced, the specifications of the auxiliary hanging racks can be flexibly adjusted according to the size of the swing arm in actual use, the auxiliary hanging racks with different specifications are provided with different numbers of hanging piece hooks, and the number of the auxiliary hanging racks can be adjusted, so that the distance between every two adjacent auxiliary hanging racks is adjusted; therefore, the applicability of the paint spraying hanger is improved.

To provide an electrospray device that enables imaging of a liquid spraying state with reduced installation space.SOLUTION: An electrospray device includes a nozzle that sprays a liquid by an electrospray method, a mirror that reflects the liquid sprayed from the nozzle, and an imaging unit that is provided on a base end side relative to a tip end of the nozzle and captures an image of the liquid reflected in the mirror.SELECTED DRAWING: Figure 1