1185results about "Electrophoretic coatings" patented technology

Provided is a method for preparing a collagen membrane for guided tissue regeneration. By utilizing the electrochemical deposition technology and using collagen as the starting material, the method achieves the electrochemical deposition in a low-temperature environment using a direct-current source, and thus, in a constant-voltage output mode, prepares a collagen membrane of an asymmetric structure (with one dense surface and one loose and porous surface) in one step at a high voltage. Also, by means of asymmetric cross-linking, the membrane may be asymmetrically degraded in vivo, thus promoting the rapid repair of a wound while keeping a stable shielding effect on the wound. The method features ease to operate, efficiency, environment conservation, and good scalability. The obtained collagen membrane possesses excellent mechanical properties and uniform overall performance. The area of the collagen membrane of the asymmetric structure prepared by the preparation method is equal to that of the electrode plate, such that scale-up production can be achieved by using an electrode plate with a greater area, thereby improving productivity.

The utility model relates to the technical field of automobile part processing, in particular to automobile part surface pretreatment equipment before electrophoresis, which comprises a degreasing tank, support columns and a bearing disc, support plates are arranged at two ends of the front side of the degreasing tank, and a reciprocating screw rod and a slide rail are respectively arranged between the support plates from top to bottom. A motor is arranged on one side of the supporting plate, a T-shaped connecting plate is arranged between the reciprocating lead screw and the sliding rail, a supporting column is arranged on the top of one side of the T-shaped connecting plate, a mounting plate is arranged on the top of the supporting column, and a connecting pipeline is arranged on the top of the mounting plate. The automobile parts are driven by a waterproof air cylinder to move downwards into an oil and rust removing agent in a degreasing tank to be soaked, after grease in the surfaces is removed, a rotary damping drive mounting plate and a spraying device are rotated to move to the top of a bearing disc, a water pump sucks a water source in a water tank, and the water source is sprayed to the surfaces of the automobile parts through a connecting pipeline and the spraying device. And the residual oil and rust removing agent is cleaned.

A system (100) for optimizing fuel and energy consumption by an Electro-Deposition (ED) oven (114) of an automobile paint shop (108) is disclosed. The system (100) includes a digital twin (112) of the ED oven (114). The digital twin (112) is based on design parameters and operational data. The system (100) further includes an RL agent (202) that is configured to receive training and learn control strategies through interaction with at least environment models (112c) for generating policies. The RL agent (202) is further configured to output at least one policy including an optimal opening percentage of at least one gas damper and an optimal speed of at least one fan, which when implemented leads to savings in the fuel and energy consumption while maintaining at least effective metal temperature (EMT) of the coated automobile component (716) in a recommended range in the ED oven (114).

The invention discloses a heat allocation system based on a heat pump. The heat allocation system comprises a water tank; a water source heat pump; an air source heat pump; a cooling tower; a cooling water circulation system; a hot water circulation system; a chilled water circulation system; an exhaust heat recovery system; wherein the water tank, the water source heat pump, the air source heat pump, the cooling tower, the cooling water circulation system, the hot water circulation system, the chilled water circulation system and the exhaust heat recovery system are connected with one another to realize heat allocation, especially heat allocation of a coating pretreatment electrophoresis production line of a vehicle body or parts forming the vehicle body; according to the system, heat generated when the heat pump / refrigerating unit produces chilled water and / or heat taken away in exhaust air can be recycled and used for heating the heat using tail end. Therefore, the heat which is wasted originally can be fully utilized, the energy consumption is reduced, and the utilization efficiency of energy is improved.

The invention relates to an improved photoelectric coupler packaging electroplating technology which comprises the following steps that S10, self-repairing microcapsules are dispersed into electroplating liquid, the microcapsules comprise wall materials and core materials, and the core materials comprise vinyl siloxane and chloroplatinic acid catalysts; s20, sequentially forming a nano gradient composite coating structure on the surface of the substrate, wherein the composite coating structure comprises a substrate layer, a transition layer, a main functional layer and a packaging layer; and S30, carrying out micro-area deposition by adopting a light-induced selective electroplating process, wherein the micro-area deposition comprises laser micro-area activation, pulse electroplating deposition and in-situ ultraviolet curing. According to the electroplating process, through the nanometer gradient composite coating structure, the interface stress concentration is reduced through layer-by-layer transition of the material and the thickness, the thermal cycle resistance of the coating is improved, and meanwhile the balance among conductivity, mechanical strength and thermal stability is achieved.

A finishing system includes a frame that includes a bath station configured to communicate with an electrode. A hoist supported by the frame is movable into register with the bath station to establish electrical communication between the hoist and a current generated by a power source. The current drives deposition of a coating onto a load carried by the hoist. A drive assembly of the system is supported by the hoist and is operable to rotate a sprocket. The drive assembly includes a rotary conductor electrically coupled to the sprocket and configured to come into electrical communication with the frame. An electrically conductive lifting chain is operable through rotation of the sprocket to lower the load into the bath station. The frame communicates current from the power source to the rotary conductor, and the lifting chain communicates current from the rotary conductor to the load.

A flexible pH sensor and a measurement system, belonging to the technical field of sensors. Using a material that does not react with an electrolyte, mixed with a metal, an anode substrate is printed, and by means of an electrochemical method, one-step synthesis of a metal-doped polyaniline composite material is implemented. By means of controlling the metal content, the doping amount of metal ions in the polyaniline can be changed. Adding metal increases the conductivity of the anode substrate, which facilitates deposition of polyaniline. The one-step method for preparing a polyaniline composite material is simple, low-cost, and pollution-free; compared with pure polyaniline, the composite material has improved sensitivity. The metal-doped polyaniline composite material is used in a pH sensor for the first time, thus implementing a wide pH measurement range (2-12) and a high bending stability. The flexible pH sensor can be used in saliva pH measurement, and to measure the freshness of fresh food.

The utility model discloses metal plate electrophoresis pretreatment equipment for uniform treatment, which belongs to the technical field of metal plate pretreatment and comprises a tank body, a sliding rail, a sliding block, a fixed block and a cross rod are arranged at the upper end of the groove body All the sliding blocks on each side are connected through a shear fork support. A reciprocating swing mechanism is arranged at the lower end of the groove body and used for pushing the frame body of the hanger to swing in a reciprocating mode. By means of the mode, a user can keep the locking effect on one sliding block and push any movable sliding block to move on the sliding rail, all the sliding blocks are expanded or contracted on the sliding rail at equal intervals, and therefore the distance between the transverse rods is adjusted to adapt to hanging frames of different sizes, and the cleaning requirements for metal plates of different specifications are met; the frame body of the hanging frame is pushed through the reciprocating swing mechanism, the frame body swings on the transverse rod in a reciprocating mode through the hooks, the metal plate on the frame body can continuously disturb cleaning liquid in the tank body, impurities on the surface of the metal plate can be separated more easily, and the cleaning efficiency and the cleaning effect are effectively improved.

The invention discloses a preparation method of a coating loaded with an antibacterial coating. The preparation method comprises the following steps: pretreating a titanium sheet, preparing an electrolyte, preparing Ti (at) col-I, preparing Carat UiO-66, preparing a Ti (at) col-I (at) Carat UiO-66 coating, and preparing a Ti (at) col-I (at) Carat UiO-66 (at) LBL coating. According to the coating preparation method and the implant provided by the invention, the carvacrol-loaded UiO-66 mineralized collagen coating is prepared by utilizing an electrochemical deposition and layer-by-layer self-assembly technology, so that the surface osseointegration capability of a titanium-based material is improved, the surface of the titanium-based material is endowed with antibacterial capability, and infection around the implant is reduced; the initial stability and the clinical curative effect are improved.

The invention belongs to the technical field of photovoltaic materials, and provides a photovoltaic profile and a preparation method and application thereof. The preparation method comprises the following steps: carrying out surface conditioning and phosphorization on a steel substrate (carbon steel or recycled steel or low alloy steel), carrying out electrophoretic deposition by using epoxy thermosetting electrophoretic primer, and pre-drying; the outer surface of a workpiece is coated with fluorocarbon finish paint (the fluorocarbon finish paint comprises the following raw materials in specific content: polyester resin with a certain viscosity hydroxyl value, fluorocarbon resin with a certain viscosity hydroxyl value, pigment filler, an organic solvent, a wetting leveling agent, a dispersing agent, a defoaming agent, an adhesion promoter and an aliphatic isocyanate curing agent), and curing is performed. And an electrophoretic primer layer with the thickness of 15-25 microns and a fluorocarbon finish layer with the thickness of 20-30 microns are formed on the outer surface of the steel substrate through curing. According to the photovoltaic profile, the electrophoretic primer layer and the fluorocarbon finish paint layer are formed on the low-cost steel substrate through one-time curing, the process can be simplified, the cost can be reduced, the paint layer is thin, and the photovoltaic profile further has long-term excellent adhesive force, aging resistance, corrosion resistance, weather resistance, gloss retention and the like.

The utility model belongs to the technical field of impeller surface treatment, and discloses impeller blade surface electrophoresis treatment equipment which comprises an electrophoresis tank and a suspension mechanism, the suspension mechanism comprises a fixed rail and a sliding rail, the sliding rail is fixedly connected with an L-shaped sliding block, a guide rail is arranged below the fixed rail, a sliding frame is arranged on the guide rail in a sliding mode, and the sliding frame is fixedly connected with the L-shaped sliding block. An L-shaped rod is hinged to the top end of the sliding frame, and the top end of the L-shaped rod penetrates through and slides in the L-shaped sliding block. According to the utility model, when the sliding frame moves to the middle part of the electrophoresis cell along with the L-shaped sliding block through the L-shaped rod, the sliding frame descends and drives the impeller on the hanging rod to immerse into the electrophoresis cell together, so that the impeller does not need to be controlled to descend into the electrophoresis cell by using extra electrical equipment, the production cost is effectively reduced, and the production efficiency is improved. And the impeller can ascend along with the ascending position of the guide rail after completing electrophoresis in the electrophoresis pool through the hanging rod, so that the impeller is automatically separated from the electrophoresis pool, and the electrophoresis efficiency of the impeller is improved.

The invention provides high-toughness chitosan hydrogel and a preparation method thereof, and belongs to the technical field of chitosan materials. Under a specific electric field driving condition, a chitosan solution realizes molecular chain oriented migration and in-situ deposition in an acid environment, and a three-dimensional network with dense arrangement and a gradient structure is constructed. The chitosan hydrogel disclosed by the invention has excellent performance in the aspects of tensile strength, elongation at break, toughness, shear resistance and the like which exceed those of chitosan hydrogel prepared by most methods, and has good biocompatibility and application potential. The programmable regulation and control of the structure and performance of the chitosan hydrogel can be realized by regulating and controlling the pH value, the electric field intensity, the current density, the deposition time and the like of the system. The high-toughness chitosan hydrogel prepared by the method is suitable for various biomedical scenes, such as bionic soft tissues, bone repair scaffolds, flexible electronic devices and other wet application scenes with high mechanical property requirements.

The invention provides an aluminum profile electrophoresis finishing surface treatment process which comprises the steps that S1, an aluminum profile is sequentially pretreated, and pretreatment comprises degreasing, acid pickling, alkali etching, neutralizing and water washing treatment; s2, the pretreated aluminum profile is immersed in electrophoresis tank liquid, and direct-current voltage is applied; wherein the electrophoresis tank liquid is composed of acrylic resin, epoxy resin, deionized water and a curing agent, the solid content is 10%-15%, the pH value is 5.5-6.5, the direct-current voltage is 80-120 V, the electrophoresis time is 2-4 minutes, the temperature of the electrophoresis tank liquid is controlled to be 25-30 DEG C, and the thickness of an electrophoresis film is 15-25 microns; and S3, the aluminum profile subjected to electrophoresis is sequentially subjected to liquid draining, water washing, baking and curing treatment. Electrophoretic coating is carried out after pretreatment, the adhesive force of a coating reaches 4B or above by using a composite resin system in the electrophoretic coating, the thickness uniformity of an electrophoretic film is improved during electrophoresis, and the cracking resistance and the hardness of the coating are improved through subsequent baking treatment.

The invention discloses a diamond particle inlaid metal matrix diamond coating composite material and a preparation method and application thereof.The preparation method comprises the steps that diamond particles are pressed and embedded in a metal substrate, the metal substrate inlaid with the diamond particles is obtained and subjected to heat treatment, then the metal substrate subjected to heat treatment is placed in nano-diamond seed crystal turbid liquid, seed crystals are planted, and the diamond particle inlaid metal matrix diamond coating composite material is obtained. The preparation method comprises the following steps: planting a seed crystal on a metal substrate to obtain a metal substrate for planting the seed crystal, and carrying out chemical vapor deposition on the metal substrate to grow a diamond film or a diamond-doped film, so as to obtain the diamond particle inlaid metal-based diamond coating composite material. The diamond film has the most obvious diamond phase and (111) crystal face preferred growth trend, the bonding strength of the diamond film and the substrate is high, and the diamond film has excellent conductivity and catalytic activity.

To provide an alloy member having both corrosion resistance and excellent appearance.SOLUTION: An alloy member 100 comprises a substrate 101 comprising magnesium as a main component and containing lithium, and a corrosion preventive film 102 containing magnesium, phosphorus, and fluorine, the corrosion preventive film 102 being disposed on the substrate 101. The average film thickness T of the corrosion preventive film 102 is 20 μm or more, and the difference between the maximum value and the minimum value of the film thickness of the corrosion preventive film 102 is less than 20 μm.SELECTED DRAWING: Figure 1

The invention discloses an enhanced tensile wear-resistant multi-twisted steel wire rope, which relates to the technical field of steel wire ropes, and structurally comprises a multi-twisted steel wire rope formed by twisting three sub-ropes in a left-to-right interactive manner, and each sub-rope is formed by twisting six stranded ropes in a right-to-right interactive manner; the aluminum-based carbon fiber composite core serves as the center of the stranded rope, and the gradient functional layer comprises six center steel wires on the inner layer, twelve micro-arc oxidation concave steel wires on the middle layer, eighteen graphene / zinc-aluminum coating convex steel wires on the outer layer and twelve phase change lubricating fiber bundles on the surface layer. The outer surface of the steel wire rope is sequentially coated with a self-repairing sealing layer containing repairing microcapsules, a boehmite / silane interface bonding layer and an Al2O3 / PEEK abrasion-resistant coating. The tensile strength and the structural stability are improved through a three-stage twisting process; the aluminum-based carbon fiber composite core and the gradient functional layer synergistically enhance core bearing, wear resistance and corrosion resistance; the phase change lubricating fiber bundles release lubricating components during friction, and damage repair is achieved through the self-repairing sealing layer; and the interface bonding layer and the wear-resistant coating strengthen the surface adhesive force and the wear resistance.

A method for fabricating an electron field emission cathode, the field emission cathode including a substrate having a field emission layer engaged therewith, where the field emission layer incorporates modified carbon nanotubes and a matrix material to improve field emission characteristics of the cathode and field emission cathode devices implementing such cathodes.

The invention relates to the technical field of electrophoresis equipment, and particularly discloses electrophoresis equipment for automobile part production, the electrophoresis equipment comprises a support, an electrophoresis tank, a moving assembly arranged on the support and a bearing frame arranged at the output end of the moving assembly, the side wall of the electrophoresis tank is provided with a liquid overflow port and a liquid inlet, a one-way valve is arranged in the liquid inlet, and the electrophoresis tank is further provided with a liquid supplementing module; each liquid supplementing module comprises a circulating unit and a liquid supplementing unit; the circulating unit comprises an auxiliary box body arranged in the electrophoresis tank, and a partition plate is arranged in the auxiliary box body, so that an upper chamber and a lower chamber are formed in the auxiliary box body. The device has the beneficial effects that the automobile parts enter the electrophoresis buffer solution, so that the electrophoresis buffer solution overflows from the overflow port, whether the electrophoresis buffer solution in the electrophoresis tank is reduced or not is judged according to the amount of the overflowed electrophoresis buffer solution, and when the electrophoresis buffer solution in the electrophoresis tank is reduced, a new electrophoresis buffer solution can be automatically added through the liquid storage tank; enough electrophoresis buffer solution is always kept in the electrophoresis tank.

The invention relates to an electrophoresis codeposition-in-situ thermal conversion short-process preparation method of a multi-element doped Co-Mn spinel protective coating. According to the method, spinel precursor powder does not need to be prefabricated, commercial Co3O4, Mn3O4, a rare earth oxide R2O3 (R is Y, Ce or La) and a doped oxide XxOy (X is Cu, Ni or Fe) are directly dispersed in an organic mixed solvent in proportion to form a stable suspension, and after electrophoresis codeposition, the stable (Co, Mn, R, X) 3O4 spinel coating is formed in situ through three-stage heat treatment of impurity removal, conversion and structure homogenization. Compared with a traditional sol-gel method for synthesizing a precursor and then performing electrophoresis, the method has the advantages that the process is remarkably simplified, the period is shortened, the cost is reduced, thermal mismatch caused by Cr volatilization and Fe phase precipitation is effectively inhibited, and the compactness and high-temperature stability of the coating are improved. The method has the advantages of being short in process, low in equipment requirement, high in doping flexibility and the like, and is suitable for interface anti-oxidation protection of an SOFC metal connector and surface protection of other high-temperature electrochemical system metal parts.

Disclosed herein is an aqueous cathodically depositable electrodeposition coating material composition including at least one binder dispersion (I) including at least one cathodically depositable polymer (a) and at least one pigment paste (II) including at least one pigment and / or filler, where manufacture of the electrodeposition coating material composition includes mixing the binder dispersion (I) and the pigment paste (II), and where the composition also includes at least one alkoxylated polyethyleneimine (b) and where at least one alkoxylated polyethyleneimine (b) is part of the at least one binder dispersion (I) and / or part of the at least one pigment paste (II).

The utility model discloses an electrophoretic coating line combined telescopic lifting platform which comprises a supporting plate, connecting blocks are installed at the two ends of the bottom of the supporting plate through bolts, an adjusting mechanism is installed between the two connecting blocks, and lifting mechanisms are installed at the two ends of the bottom of the adjusting mechanism. The adjusting mechanism is used for adjusting the distance between the two lifting mechanisms, a lifting platform is installed at the bottoms of the lifting mechanisms, and the lifting mechanisms are used for adjusting the height of the lifting platform. Compared with the prior art, the adjusting mechanism is arranged, and the distance between the two lifting mechanisms is adjusted through the two sliding blocks which can be spaced, so that lifting platforms of different specifications can be conveniently installed according to needs, then the device can conveniently use the lifting platforms of different specifications to complete operation on different occasions, and the device is simple in structure, convenient to operate and high in practicability. The use is very convenient.

The invention discloses a TC4 titanium alloy and carbon fiber reinforced composite material laser welding method, and relates to the field of dissimilar material laser welding. The preparation method comprises the following steps: firstly, carrying out surface modification on carbon fibers by using hydrogen peroxide, deepening the surface oxidation depth by microwave radiation, stripping graphene oxide on the outermost surface by ultrasonic treatment, and then carrying out plasma beam treatment impact to increase and enlarge grooves and pores on the surfaces of the carbon fibers, so that active groups and concave-convex structures on the surfaces of the modified carbon fibers after resin is filled and cured; and secondly, a layer of nano nickel is chemically deposited on the surface of the titanium alloy microstructure, permeation and corrosion of the modified carbon nanotubes to the titanium alloy are reduced, then the carbon nanotubes subjected to acid treatment are deposited on the surface layer of the nano nickel through the electrophoretic deposition technology, the interface wetting and spreading capacity is improved, and the residual stress after welding is reduced. The TC4 titanium alloy, the nano nickel deposition layer, the modified carbon nanotube deposition layer and the modified carbon fiber composite material layer are combined and connected through laser welding, so that the high-strength connection effect is achieved.

The invention provides a high-density electroencephalogram electrode array and a preparation method and application thereof. The high-density electroencephalogram electrode array comprises a dielectric flexible substrate; the flexible electrode array is distributed on the surface of one side of the dielectric substrate layer, the flexible electrode array comprises a vertical carbon nanotube array and a carbon layer which are arranged in a stacked mode in the direction away from the dielectric substrate layer, and metal nanowires are distributed in array unit gaps of the vertical carbon nanotube array; and the hydrogel layer is positioned on the outer surface of the flexible electrode array. According to the high-density electroencephalogram electrode array, through multi-aspect collaborative design, on the premise that low interface impedance and high signal fidelity are maintained, the problems that traditional electroencephalogram equipment is insufficient in spatial resolution and poor in wearing comfort are solved, the electrode density and the quality of collected high-density electroencephalogram signals are improved, and the high-density electroencephalogram electrode array is suitable for popularization and application. The method provides a hardware basis for neural activity analysis, and has subversive potential in the field of high-performance brain-computer interfaces.

A boronic acid-functionalized carbon material includes a carbon material and boronic acid groups linked to a surface of the carbon material. The carbon material may include carbon black, graphite, or graphene. The boronic acid groups comprise trivalent boronic acid groups and / or tetravalent boronic acid groups. The boronic acid-functionalized carbon material may be used as a catalyst support, a catalyst binder, and / or an ionomer for cation transport.

The invention provides a CMAS corrosion resistant thermal barrier coating and a preparation method thereof.The CMAS corrosion resistant thermal barrier coating comprises a metal bonding layer, an yttria-stabilized zirconia layer and a multi-component rare earth zirconate layer, and the yttria-stabilized zirconia layer and the multi-component rare earth zirconate layer are sequentially arranged on the metal bonding layer. The multi-component rare earth cerate layer and / or the CMAS barrier layer are / is sequentially arranged on the multi-component rare earth zirconate layer; the multi-component rare earth zirconate layer comprises multi-component rare earth zirconate, the chemical formula of the multi-component rare earth zirconate is (nRE1 / n) 2Zr2O7, RE is any n of Sc, Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu, and n is not smaller than 10; the CMAS barrier layer includes an anti-corrosion oxide having an optical basicity of 0.55 to 0.68. The CMAS corrosion resistant thermal barrier coating disclosed by the invention realizes high thermal insulation, sintering resistance and CMAS corrosion resistance, reduces the surface temperature of a matrix alloy, and improves the sintering resistance and CMAS corrosion resistance of ceramics.

The invention discloses a preparation method of a bright corrosion-resistant aluminum profile, and relates to the technical field of aluminum profile processing, and the preparation method comprises the following steps: mixing and smelting raw materials, pouring, and homogenizing to form a cast ingot; extruding and performing heat treatment to form an aluminum profile; and carrying out surface treatment to obtain the bright corrosion-resistant aluminum profile. The surface treatment comprises electrolytic oxidation, electrophoretic painting and hole sealing. The rare earth elements play roles in purifying a matrix, refining and modifying and microalloying in the aluminum alloy, the aluminum alloy structure is refined, better compactness and integrity can be shown after oxidation, the protection performance of the aluminum profile is improved, and the corrosion resistance and brightness of the aluminum profile are improved. The aluminum profile is pretreated through anode plasma electrolytic oxidation, and the surface of the aluminum profile is oxidized; and cathode plasma electrolytic deposition is utilized, so that direct contact between the cathode aluminum profile and electrolyte is avoided, pores of the barrier layer are sealed, a more compact oxide layer is obtained, and the brightness and the corrosion resistance are improved.

The utility model belongs to the technical field of electrophoresis clamps, and discloses a clamp for electrophoretic coating of automobile parts, which comprises a fixing frame, the lower end of the fixing frame is rotatably connected with a clamp body, the clamp body further comprises an upper clamping assembly and a lower clamping assembly, the upper clamping assembly and the lower clamping assembly are in mirror image with each other, and the upper clamping assembly and the lower clamping assembly are welded on the left side and the right side of the lower clamping assembly. According to the clamp for electrophoretic coating of the automobile parts, the automobile parts needing electrophoresis are placed into the upper clamping assembly and the lower clamping assembly, the lower walls of the automobile parts make contact with the lower portions of the clamping rods at the positions of the lower clamping assembly, and therefore the automobile parts are fixed into the clamp body. After electrophoresis is carried out for a period of time, the clamp body is turned over by 180 degrees, and the outer wall of the automobile part is rotated by the clamped part under the influence of gravity at the moment, so that the outer wall of the automobile part is supported, the clamping position is changed, and all parts of the automobile part can make contact with electrophoresis liquid.

The invention relates to a part and an electrophoretic coating process and application thereof, and belongs to the technical field of electrophoretic coating. The zirconium treatment liquid provided by the invention comprises hexafluorozirconic acid, aluminum nitrate, nitric acid, hydrogen fluoride and sodium nitrite; wherein aluminum nitrate can reduce the concentration of free fluorine in the treating fluid and promote hydrolysis of hexafluorozirconic acid, so that the generation speed of a zirconium film is increased; and the sodium nitrite can prevent the part base material from rusting, so that the anti-rust treatment after zirconium treatment is omitted. A part only needs to be subjected to zirconium treatment in the zirconium treatment liquid for 120 s, a zirconium film with the film weight being 48 mg / m < 2 > can be obtained, anti-dry spraying or anti-rust agent spraying does not need to be carried out after zirconium treatment to prevent the part from being rusted, and compared with the prior art, the efficiency of the electrophoretic coating process is improved; the parts subjected to electrophoretic coating are still free of corrosion after being subjected to a salt spray test for 1000 hours, and compared with the prior art, the performance is greatly improved.

The utility model discloses an impurity removal device of electrophoretic coating equipment. The impurity removal device comprises an impurity removal box, a transmission frame is fixedly connected to one side of the impurity removal box, a sliding plate is slidably connected to the interior of the transmission frame, a connecting block is fixedly connected to one side of the sliding plate, and a containing frame is fixedly connected to the side, away from the sliding plate, of the connecting block. The utility model relates to the technical field of impurity removal devices, the impurity removal device of the electrophoretic coating equipment realizes the function of filtering and removing impurities of electrophoretic paint by arranging a rotating shaft, an eccentric wheel, a reset spring, a sliding plate, a connecting block, a placing frame and a filtering frame, and the filtering frame can be driven to reciprocate in the filtering process, so that the filtering effect is better; by arranging a connecting shaft, a second bevel gear, a first bevel gear, a bidirectional screw rod, an adjusting plate, an inserting block, a placing block and an inserting groove, the function of quickly disassembling and assembling the filtering frame is realized, the filtering frame is conveniently disassembled and cleaned, and the operation is convenient and fast.

The invention discloses a submicro-scale self-supporting metal grid flexible transparent electrode and a manufacturing method thereof, and belongs to the technical field of flexible electrode manufacturing. The manufacturing method provided by the invention comprises the following steps: preparing a printing solution, wherein the printing solution contains a polymer, silver nitrate and a solvent; printing a submicro-scale polymer-based seed layer grid structure on the hydrophobic substrate by using an electric field driven spray deposition micro-nano 3D printing technology; performing steam reduction on the surface of the polymer-based seed layer grid structure, and then depositing metal through chemical plating to form a metal grid structure; and stripping from the surface of the hydrophobic substrate. According to the invention, simple, efficient and low-cost manufacturing of the submicro-scale, ultrathin, soft, breathable and substrate-support-free self-supporting metal grid flexible transparent electrode with high photoelectric performance is realized, and the electrode has general applicability in the application fields of electronic skin, flexible sensors, transparent wearable and portable electronic equipment and the like.