32results about How to "Meet painting requirements" patented technology

The invention relates to an automatic paint spraying device, and belongs to the technical field of automatic equipment. The automatic paint spraying device is characterized in that a spray gun is installed on a horizontal moving mechanism (3), the horizontal moving mechanism (3) is installed on a linear pushing mechanism (5), the linear pushing mechanism (5) pushes the horizontal moving mechanism (3) to ascend and descend or longitudinally move in the horizontal plane, and the horizontal moving mechanism (3) drives the spray gun to transversely move in the horizontal plane; and the linear pushing mechanism (5) comprises a first swing arm (7), a second swing arm (14), a horizontal moving mechanism installing arm (16) and a power mechanism, the power mechanism is connected with the first swing arm (7) and the second swing arm (14), and the horizontal moving mechanism installing arm (16) is connected with a swinging adjusting mechanism used for enabling the axis of the horizontal moving mechanism installing arm (16) to be kept parallel in the moving process. The automatic paint spraying device is compact in structure, the second swing arm can swing within the range of 360 degrees, the operation area is increased, the automatic paint spraying device can be folded during storing, the occupied space is small, and moving is convenient.

The invention provides a production method for treating weathering steel for containers without sand blasting or shot blasting. The production method adopts the following hot rolling process flow: heating with a heating furnace, rough rolling, finish rolling, laminar cooling, coiling, air blast cooling, insulating with an insulation cover and finishing. The production method is characterized in that the initial rolling temperature of a finishing mill is controlled between 950 DEG C and 1020 DEG C, the finishing rolling temperature is controlled between 850 DEC C and 900 DEC C, the rolling speed is more than 5.5m / s and each finish rolling stand adopts lubricating rolling; the surface roughness Ra of the roller of the stand at the tail of the finishing mill is controlled between 0.8mu m and 2.4mu m; front-section rapid cooling is adopted on the laminar cooling stage, the cooling water is controlled to be alkalescent and the PH value is 7.0-10; the coiling temperature is controlled between 550 DEG C and 620 DEG C; the steel coil after coiling is put in the ventilative and convective place or a fan is adopted to improve ventilation and convection to cool the steel coil to 460-500 DEG C at a speed of 2-5 DEG C / min; then the steel coil is put into the insulation cover to be insulated, is taken out after the temperature drops to 200+ / -20 DEG C and is naturally cooled to the room temperature; and the chemical component Si of the adopted slab is controlled between 0.20% and 0.25%.

The invention relates to an automatic paint spraying device, and belongs to the technical field of automatic equipment. The automatic paint spraying device is characterized in that a spray gun is installed on a horizontal moving mechanism (3), the horizontal moving mechanism (3) is installed on a linear pushing mechanism (5), the linear pushing mechanism (5) pushes the horizontal moving mechanism (3) to ascend and descend or longitudinally move in the horizontal plane, and the horizontal moving mechanism (3) drives the spray gun to transversely move in the horizontal plane; and the linear pushing mechanism (5) comprises a first swing arm (7), a second swing arm (14), a horizontal moving mechanism installing arm (16) and a power mechanism, the power mechanism is connected with the first swing arm (7) and the second swing arm (14), and the horizontal moving mechanism installing arm (16) is connected with a swinging adjusting mechanism used for enabling the axis of the horizontal moving mechanism installing arm (16) to be kept parallel in the moving process. The automatic paint spraying device is compact in structure, the second swing arm can swing within the range of 360 degrees, the operation area is increased, the automatic paint spraying device can be folded during storing, the occupied space is small, and moving is convenient.

The invention relates to the technical field of coatings and in particular relates to a polyurethane transparent top-coat for coating an assembly line in a three-dimensional effect and a preparation method thereof. The polyurethane transparent top-coat comprises a component A and a component B, wherein the weight ratio of the component A to the component B is 4:1, the solid content of the component A is 42-48%, the component A comprises modified quick-drying castor oil alkyd resin, a nitrocellulose solution, a dispersing agent, extinction powder, handfeel wax, a defoaming agent, a flatting agent I, a flatting agent II and an anti-settling agent; and the solid content of the component B is 40-45%, and the component B comprises a TDI (toluene diisocynate) tripolymer, a TDI addition product, an HDI (hexamethylene diisocyanate) tripolymer and butyl acetate. The component A and the component B are respectively mixed, dispersed at a high speed, inspected, filtered and packaged to prepare the polyurethane transparent top-coat. The polyurethane transparent top-coat can achieve the coating effect and drying speed of an NC (nitrocellulose) coating, and has the advantages of short polishing time, environment friendliness and excellent physical and chemical properties of common polyurethane coats, and wide application range.

A preparation process of a magnesium alloy chemical conversion coating, the process comprises the following steps: a, using a sodium hydroxide solution or a mixed solution of one or more of sodium phosphate, sodium carbonate and sodium silicate solution containing sodium hydroxide on the Magnesium or magnesium alloy is degreased; b. The degreased magnesium or magnesium alloy is pickled with a mixed solution of phosphoric acid and sodium phosphate; c. The pickled magnesium is treated with a mixed solution of hydrofluoric acid and sodium phosphate. or magnesium alloy for activation treatment; d, use a mixed solution of calcium nitrate hexahydrate, sodium nitrite, sodium iodide, hydrogen peroxide to carry out chemical conversion treatment on activated magnesium or magnesium alloy; e, use deionized water to chemical conversion treatment Magnesium or magnesium alloy for sealing. Because the present invention does not contain chromium compounds in the treatment liquid, it eliminates possible harm to the environment caused by toxic substances. The invention also has the characteristics of simple process and operation method, low cost, suitable for batch production and the like.

The invention discloses waterborne antirust paint and a preparation method thereof. The waterborne antirust paint is prepared from, by mass, 10-25 parts of waterborne acrylic acid modified epoxy ester, 0.6-1.2 parts of neutralizer, 20-30 parts of deionized water, 0.5-1.5 parts of dispersing agents, 0.2-0.5 part of defoaming agent, 14-18 parts of iron oxide red, 2-4 parts of mica powder, 6-10 parts of modified zinc phosphate, 10-14 parts of precipitated barium sulphate, 1-2 parts of propylene glycol, 10-15 parts of styrene-acrylic emulsion, 0.5-1.0 part of coalescing agent, 0.5-1.0 part of waterborne flush rust prevention agent, 0.5-1.5 parts of thickening agents and 0.2-0.5 part of mildew prevention agent. The waterborne antirust paint is high in film hardness, good in adhesive force and excellent in corrosion-resistant performance and mechanical performance, dryness and initial water resistance of paint films are remarkably improved due to the addition of styrene-acrylic emulsion, and the flush rust restraining performance of paint films is improved due to the addition of the waterborne flush rust prevention agent. Water serves as the diluent for the waterborne antirust paint, VOC emission in production and construction projects is greatly reduced, and the waterborne antirust paint is safe, environmentally friendly and capable of being widely used for paint coating on the aspects of steel structures, pipelines, automobile parts and the like.

The invention discloses an ultraviolet-resistant color repairing agent, which is composed of the following raw materials in parts by weight: 15-20 parts by weight of water-based polyurethane resin, 1-10 parts by weight of ultraviolet-resistant resin particles, 0.1-0.5 parts by weight of PH regulator, water-based moisturizer 0.1-0.3 parts by weight of wet agent, 0.1-0.3 parts by weight of water-based defoamer, 0.1-0.3 parts by weight of water-based thickening rheological agent, 3.0-5.0 parts by weight of co-solvent, 0.1-0.2 parts by weight of silane coupling agent, hydrophilic 70-80 parts by weight of solvent, 1-10 parts by weight of water, base material, pigment and ultraviolet absorber are wrapped in the UV-resistant resin particles, and the resin particles are selected from polypropylene resin, polycarbonate resin, nylon resin, One or more of polyetheretherketone resin and polyethersulfone resin, the base material is nano-inorganic particles, and the particle size of the nano-inorganic particles is 1-100nm. The invention does not need to add or change the original production equipment, has fast drying, good adhesion, meets the requirements of assembly line coating, and the ultraviolet absorber can be evenly mixed with the pigment, avoiding the problem of easy separation after standing for a long time, and is suitable for industrialized large-scale production.

The invention discloses a water-based color repairing agent used in furniture and woodware production industries. The water-based color repairing agent is composed of the following raw materials in parts by weight: 15-20 parts by weight of water-based polyurethane resin, 0.1-0.5 parts by weight of pH regulator, 0.1-0.3 parts by weight of water-based wetting agent, 0.1-0.3 parts by weight of water-based defoamer, 0.1-0.3 parts by weight of water-based thickening rheological agent, 3.0-5.0 parts by weight of co-solvent, 0.1-0.2 parts by weight of silane coupling agent, 70-80 parts by weight of hydrophilic solvent, 1-10 parts by weight of water. The invention has simple formula composition, simple production process, low economic cost, no need to add or change the original production equipment, and the invented product has quick drying, good adhesion, good color matching, can be "wet on wet" construction, and has a wide range of applications, etc. Features, meet the assembly line coating requirements, suitable for industrialized mass production.

The invention discloses high-hardness acrylate-modified polysiloxane resin and a coating employing the high-hardness acrylate-modified polysiloxane resin as a base material. The resin is mainly prepared by compounding 41-65wt% of active polysiloxane intermediate, 15-36wt% of cyclohexyl-containing acrylic ester, 5-15wt% of polyfunctional acrylate monomer and 10-20wt% of amino-hydrocarbon alkoxy silane. The harness of a pencil solidified by a two-component coating prepared from the acrylate-modified polysiloxane resin as the base material is greater than or equal to 5H, and meanwhile, the acrylate-modified polysiloxane resin can meet high solid content, low viscosity, room-temperature fast curing performance, overlong weather resistance and anticorrosion performance, and can be widely applied to surface coating of rail vehicles of subways and high-speed rails.

A spray guy used for spraying paint on a slit belongs to the technology field of blast atomizer, which is used for overcoming the difficulty in paint-spraying on the slit. The spray guy consists of a paint cylinder and a handle. The upper part of the paint cylinder is provided with a painting nozzle and an air nozzle. Particularly, the spray guy is provided with an additional compressed air connecting pipe and an additional paint outlet pipe. The compressed air connecting pipe is communicated with the nozzle. The paint outlet pipe is communicated with the painting nozzle. The compressed air connecting pipe and the paint outlet pipe are extensional flexible pipes, the end positions of which correspond to each other. The compressed air nozzle and the compressed painting nozzle are respectively provided with an additional pipe that has some rigidity and produces plastic deformation easily. When the invention is used, the terminal parts of two pipes can be placed into the slit to spray the paint on the slit of an object. So the slit can be painted evenly. The invention has simple structure and is easy to be implemented. Trial results show that the invention has a good spray-paint effect and overcoming the difficulty in spraying the paint on the slit.

A paint spraying device comprises a paint spraying frame. A first slide and push groove with a through opening facing downwards is formed in the paint spraying frame. A first slide and push frame is installed in the first slide and push groove in the manner that the first slide and push frame can move up and down. Second slide and push grooves with through openings facing downwards are formed in the first slide and push frame in a left-right corresponding manner, wherein the second slide and push grooves extend in the front-back direction. Guiding and conveying grooves extending in the front-back direction are formed in the upper ends of the two side walls of each second slide and push groove. Second slide and push frames are installed in the second slide and push grooves in the manner that the second slide and push frames can move forwards and backwards. Atomization spray nozzles are fixedly installed at the lower ends of the second slide and push frames. Guiding and conveying blocks movably installed in the corresponding guiding and conveying grooves are correspondingly arranged on the left side and the right side of each second slide and push frame. Containing cavities extending in the front-back direction are formed in the second slide and push frames. Upper toothed chains are fixedly arranged in the upper end walls of the containing cavities. Lower toothed chains are fixedly arranged in the lower end walls of the containing cavities. An arrangement groove is further formed in the first slide and push frame. A second toothed chain wheel is movably installed in the arrangement groove through a second rotating rod. A first toothed chain wheel matched with the second toothed chain wheel is further movably installed in the arrangement groove through a first rotating rod.