70 results about "Oil paint" patented technology

The invention discloses an intelligent detection method and system for adhesive force of an oil coating of a skylight aluminum rail, and relates to the technical field of coating detection. The method comprises the following steps: scanning a skylight aluminum rail to be detected to generate an aluminum rail surface 3D topological graph; performing multi-mode optical detection to obtain optical original detection data; the aluminum rail defect distribution topology is obtained through the defect identification marks; gridding oil coating adhesive force level detection is executed, and multi-level adhesive force defect distribution is output; fusing and analyzing the aluminum rail defect distribution topology and the multi-stage adhesive force defect distribution to obtain M comprehensive adhesive force defect characteristics; positioning a production deviation node sequence; and carrying out processing operation and maintenance intervention in the follow-up batch production process of the skylight aluminum rail. The technical problems that in the prior art, skylight aluminum rail oil coating adhesive force detection efficiency is low, and deviation links are difficult to trace are solved, the production deviation links are positioned by recognizing adhesive force defects of different levels, and the technical effect of improving the detection efficiency is achieved.

The invention relates to the technical field of titanium dioxide, and discloses a preparation process of oil paint core-coated titanium dioxide, which comprises the following steps: a core layer is rutile type titanium dioxide particles with the particle size range of 0.1-0.5 mu m and the specific surface area of 8-15m < 2 > / g, an inorganic coating layer is composed of silicon dioxide and aluminum oxide according to the mass ratio of 1: (0.2-1.5), the coating thickness is 5-15% of the diameter of the core layer, and the inorganic coating layer is composed of silicon dioxide and aluminum oxide according to the mass ratio of 1: (0.2-1.5). Wherein the silicon dioxide is coated by a hydrolytic deposition method, the aluminum oxide is coated by a sol-gel method, the organic coating layer comprises a copolymer containing a silane coupling agent and organic silicon resin, the organic silicon resin is methyl phenyl silicon resin, the organic coating layer accounts for 1-8% of the total mass of the titanium dioxide, and the surface contact angle of the organic coating layer is greater than or equal to 110 degrees. According to the preparation process of the oil paint core-coated titanium dioxide, an inorganic-organic gradient coating system is constructed, so that the core-coated titanium dioxide has a gloss retention rate of more than 95% (ASTM D523) and a delta E color difference of less than 1.5 (ISO 7724) after 1000 hours in a QUV accelerated aging test, and the weather resistance of the core-coated titanium dioxide is improved by more than 3 times compared with that of the traditional titanium dioxide.

The invention discloses a waterborne coating for corrosion prevention of neodymium-iron-boron magnets and a preparation method and application of the waterborne coating, and the waterborne coating comprises, by weight, 40-70 parts of waterborne dimer acid modified epoxy emulsion; 2-10 parts of a coalescing agent; 0.5-4 parts of a nonionic aqueous dispersant; 2-5 parts of a phenolic aldehyde amine curing agent; 10 to 20 parts of filler; 10-20 parts of a coloring agent and the balance of water. The water-based paint disclosed by the invention can resist high-pressure water vapor erosion and normal-temperature environmental corrosion, the corrosion resistance and adhesive force of the water-based paint are equivalent to those of the existing oil paint, and the water-based paint is free of rusting and bubbling after being tested for 120 hours by PCT. The water-based dimer acid modified epoxy emulsion is used as a main material, and water is used as a diluent in the use process, so that the emission of VOC (volatile organic compounds) in the production process is greatly reduced, the environment friendliness of the production is improved, and in addition, the production cost is relatively low. Meanwhile, by adjusting curing conditions, the hardness, SST, PCT and cohesive strength of the coating can be adjusted, and the requirements of different customers are met.

The invention relates to the technical field of paint production, in particular to a detection sampling device and method for paint production, and the detection sampling device comprises a sampling rack, a sampling mechanism and a sample separation unit. According to the invention, the oil paint in the oil paint bucket is firstly stirred by the sampler and the stirring blade, and then sampling is carried out, so that the influence of standing layering of the oil paint on the obtained sample is reduced, then the samples with required heights are respectively obtained through the plurality of sampling groups with different heights, the representativeness of the sampled samples is improved, and the sampling efficiency is improved. According to the present invention, the complexity of the repeated placing of the sampling tool is avoided, the surfaces of all the components in contact with the paint are made of the PTFE material, and when the sample soaking pipe is moved out, the sample soaking pipe is adjusted to be in the downward inclination state by the adjusting part so as to avoid the paint adhesion problem, and avoid the problems of mutual interference and environmental pollution between the samples; meanwhile, the operation process is simplified, sampling tools do not need to be cleaned repeatedly, and the convenience of the sampling process is improved.

The invention relates to an oil filtering device, in particular to an oil filtering device for removing a lubricating oil paint film, which comprises a rack, an oil filtering cylinder, a liquid inlet pipe, a top cover, a filtering mechanism and a cleaning mechanism, the top of the rack is connected with the oil filtering cylinder, the top of the oil filtering cylinder is connected with the top cover, the middle of the top cover is connected with the liquid inlet pipe, and the liquid inlet pipe is connected with the cleaning mechanism. A liquid inlet pipe is arranged on the top cover, the oil filter cylinder is provided with a slag discharge port, the top cover is provided with a liquid guide channel, one end of the liquid guide channel is communicated with the liquid inlet pipe, and the oil filter cylinder is internally provided with a filter mechanism used for filtering impurities in lubricating oil and a cleaning mechanism used for cleaning the impurities at the filtering position. When oil is filtered, filtered impurities can be located at the spiral feeding track, then the impurities can be cleaned through rotation of the spiral feeding track, the effect of automatically cleaning the impurities is achieved, the impurities are prevented from being attached to the filter frame, it is guaranteed that the filtering work is conducted, operation is more convenient, and the filtering efficiency is higher.

The utility model discloses a plate radiator paint filling and coating line with a hoist conveying function, and relates to the technical field of coating. Comprising a circulating track and environment-friendly equipment, a workpiece feeding area, a paint filling room, a paint dripping room, a paint blowing room, a curing mechanism and a workpiece discharging area are sequentially arranged on the circulating track, an electric hoist is arranged on the circulating track, the lower end of the electric hoist is connected with a workpiece trolley, and a workpiece to be filled with paint is hung at the lower end of the workpiece trolley. The bottom paint filling machine and the top paint filling machine are arranged in the device, when the device is used, the bottom paint filling machine and the top paint filling machine are matched with the upper oil collecting pipe and the lower oil collecting pipe respectively, paint is directly filled into the finned radiator, the whole inner wall can be covered by a coating, and the anti-corrosion effect is good. Hovering of the finned radiator at any station can be achieved through the conveying mechanism in an electric hoist type, and the operation convenience of workers is high; meanwhile, the conveying mechanism of the electric hoist can solve the problem of workpiece lifting.

The utility model relates to the technical field of oil paint blending, and discloses an oil paint blending device which comprises a tank body, a top cover is arranged on the tank body, a feeding hole is formed in the top cover, a first grooved wheel is rotatably mounted in a bearing, a support frame is fixedly mounted on the top cover, a plurality of groups of stirring rings are fixedly mounted on a long rod, and the stirring rings are fixedly mounted on the long rod. Great convenience is provided for material supplementing operation through the multiple sets of material supplementing pipes, the first motor is started, the long rod and the multiple sets of stirring rings are driven to rotate, supplemented materials are preliminarily stirred and mixed, and then the mixed materials enter the multiple sets of flow dividing pipes, are discharged from the multiple sets of liquid outlet pipes in a segmented mode and are further fully mixed with original oil paint in the tank; the raw materials can enter the tank body in a staged and dispersed manner, so that the mixing uniformity of each component of the oil paint is greatly improved, and the stable quality of the finally prepared oil paint is ensured.

The invention relates to the technical field of oil paints, in particular to an oil paint and a preparation method thereof. The oil paint is prepared from the following raw materials in parts by weight: 60-80 parts of oil, 40-50 parts of toner, 20-30 parts of filler, 20-30 parts of palm wax, 5-7 parts of stearic acid, 5-7 parts of dammar resin, 4-6 parts of polyamide resin and 2-4 parts of lubricating oil. According to the invention, after the ox horn powder is subjected to enzymolysis treatment, residual animal fat in the ox horn powder is hydrolyzed into glycerol and free fatty acid by lipase, so that the grease content of the ox horn powder is reduced, meanwhile, the compact structure of keratin can be destroyed, the porosity and specific surface area of the ox horn powder are increased, and the binding capacity of the ox horn powder with other components is improved; and toner particles can be fixed through Van der Waals' force, and dissociation and migration of the toner in a pigment coating are reduced, so that the toner is firmly anchored in a filler network and is not easy to fall off even if the toner is rubbed by external force, and the color fastness of the oil paint is effectively improved.

The invention discloses a paint dipping device for transformer processing, which comprises a paint dipping tank, a container for accommodating a transformer is arranged in the paint dipping tank, an overflowing hole is formed in the container, a transfer mechanism is also arranged in the paint dipping tank, and the transfer mechanism is adapted to at least drive the container to transversely move in the paint dipping tank. And the oil paint flows through the flowing hole to be in contact with the transformer. The container is driven by the transfer mechanism to transversely move in the paint dipping tank, so that relative flow is generated between paint and the transformer, namely, the paint coats the transformer in a flowing posture, and the paint dipping effect of the transformer is more uniform.

The invention discloses a reaction kettle for oil paint production, and relates to the technical field of oil paint production. The reaction kettle for oil paint production comprises a mounting frame, a feeding opening is fixedly connected to the top of the mounting frame, a rotating cylinder is further fixedly connected to the top of the mounting frame, the feeding opening is movably connected with the rotating cylinder, a starting machine is fixedly connected to the outer wall of the mounting frame, and the starting machine is movably connected with the outer wall of the rotating cylinder. A discharging opening is formed in the outer wall of the rotating cylinder, and the rotating cylinder is obliquely arranged. According to the reaction kettle for oil paint production, kinetic energy generated in the rotating process of a rotating cylinder during stirring is utilized, an arc rod rotates through a first bearing under the gravity of the arc rod in the rotating process of the rotating cylinder, and the arc rod stirs materials in the rotating cylinder in the swinging process; and the first stirring rod further stirs the materials along with the movement of the arc rod.

The utility model relates to the technical field of paint supply devices, in particular to concentrated paint supply equipment for a part coating line of a high-end hoisting equipment factory, which can scrape and clean the inner wall of a paint barrel, reduce the waste of paint, preserve heat and heat the interior of the paint barrel, ensure the flowability of the paint and facilitate the subsequent conveying and processing. Comprising a supporting table, a paint barrel, a feeding pipe, a stirring assembly, a cleaning part, a conveying part and a temperature control assembly, the paint barrel is installed at the top end of the supporting table, the upper portion of the front end of the paint barrel is connected with the feeding pipe, the stirring assembly is installed in the paint barrel, the cleaning part is installed in the paint barrel and connected with the stirring assembly, and the temperature control assembly is installed outside the paint barrel.

The disclosure provides a layered material identification detection method for oil painting restoration process, which comprises multi-scale imaging and local micro-area section detection of the oil painting surface to generate a pollution deposition space distribution map; based on the pollution deposition space distribution map, an interface continuity expression of the smoke deposition layer and the material layer is constructed to distinguish the penetrating diffusion structure, the interface adhesion structure and the transition mixed structure; based on the interface continuity expression, the penetration path of the pollution deposition to the varnish and pigment interface is identified to generate a pollution penetration path model; based on the pollution penetration path model, layered discrimination of the pollution pseudo-layer and the real restoration layer is performed to generate an oil painting real material layer sequence structure diagram and output a layered identification result, which can accurately distinguish the smoke deposition pseudo-layer and the real material layer, restore the real layer sequence structure of the oil painting, and improve the accuracy of layered judgment in the oil painting restoration process.

The utility model provides a building engineering management ground mark line drawing device, which relates to the technical field of line marking equipment and comprises a paint box, the paint box is mounted on a cart frame, the cross section of the inner bottom of the paint box is of a semicircular arc structure, a line drawing structure is mounted below the paint box, and an opening and closing structure is arranged between the paint box and the line drawing structure; a main body of the line drawing structure is a fixed seat, a material guide control groove is formed between the fixed seat and the opening and closing structure, a material guide plate is slidably connected in the material guide control groove, a baffle is arranged at one end of the lower portion of the material guide plate, and the baffle is arranged in an inverted trapezoidal groove communicated with the lower portion of the material guide control groove; by conveniently adjusting the line drawing width and flexibly controlling oil paint seepage, a constructor can more efficiently complete a ground mark line drawing task; and meanwhile, due to the simplification of the structure and the convenience in use of the device, the operation difficulty and the error rate in the construction process are also reduced, so that the construction quality is improved.

The application discloses a melamine paper PVC film skin surface acrylic solid color mixed oil paint coating process and belongs to the PVC film skin coating technical field.The process takes acrylic paint as a base material, adds 1%-3% of a coupling agent as an adhesion promoting additive, adopts low-temperature construction and medium-low-temperature constant-temperature baking curing, and only needs single-pass colored topcoat spraying in the whole process, specifically includes four steps of substrate pretreatment, paint preparation, low-temperature topcoat spraying, medium-low-temperature baking drying and curing, and accurately limits core parameters such as construction temperature 18 DEG C, relative humidity 55%-65%, baking temperature 40 DEG C and baking duration 10 hours.The application significantly improves the adhesion between the paint film and the PVC substrate, realizes one-time forming, prevents plasticizer migration, has excellent paint film forming effect, simplifies the process, reduces energy consumption and cost, is suitable for various PVC film skin surface mixed oil solid color coating of whole-house customized furniture, PVC film pressure door plates and the like, and is suitable for industrialized batch production.

The invention provides a molding agent for an oil paint and a preparation method of the oil paint, and relates to the technical field of pigments. The preparation method of the molding agent for the oil paint comprises the steps that hydrogenated rosin is dissolved in absolute ethyl alcohol, organic bentonite is added, a first mixture is obtained, and the first mixture is prepared from, by weight, 1-5 parts of hydrogenated rosin, 30-60 parts of absolute ethyl alcohol and 2-20 parts of organic bentonite; the first mixture is subjected to heating treatment for 2-3 hours in a first temperature interval, then heating treatment is conducted in a second temperature interval, a second mixture is obtained, the first temperature interval is 30-60 DEG C, and the second temperature interval is 10-35 DEG C; and filtering the liquid in the second mixture to obtain a third mixture, and drying the third mixture to obtain the molding agent. The molding agent prepared by the method provided by the invention has strong adhesive force with the filler and the toner, and can prolong the storage time of the oil paint.

The utility model relates to related technical field of spraying equipment, concretely is a kind of spray gun adjustable spraying device, including rack, the top one end of rack is fixed with cleaning tank, and workbench is provided in cleaning tank upper side, the top other end of rack is fixed with L-shaped fixing frame, rectangular frame is slidably connected to the outside of movable sleeve, and spray gun is fixed to the outside of rectangular frame, the side of movable sleeve is fixed with pneumatic cylinder.The utility model is by being provided with the spray gun of adjustable position, can be conveniently inserted into the inside of cleaning cylinder before each spraying operation, then can be rotated by the rotating mechanism to drive cleaning cylinder, so that the inside cleaning brush of cleaning cylinder is brushed to the outside of spray gun, and this continuous and stable brushing force, can effectively break oil paint hard shell, and compared with artificial scraping, not only cleaning efficiency is greatly improved, but also can be in-depth spray head outside corner and gap, stubborn hard shell is thoroughly removed, guarantee spray gun cleaning effect.

This invention provides a natural solid oil paint suitable for human skin, comprising the following components: 10.00-18.00g tea oil, 0.20-1.00g natural pigment, 0.20-0.40g emulsifier, 2.20-6.20g beeswax, 0.20-1.00g candelilla wax, and 0.20-1.00g grapefruit essential oil. This solid oil paint uses natural ingredients, avoiding the use of organic synthetic solvents or heavy metals, making it harmless to the human body and in line with environmental protection and sustainable development principles. These components help reduce skin irritation and potential allergy risks; furthermore, the oil paint can be wiped clean directly with a paper towel before it is fully cured; even when fully cured, it can be easily removed with a damp cloth.

The application relates to the technical field of detection equipment, and particularly discloses an oil painting pigment detection device for oil painting creation, which comprises a circular ring body, an annular flow channel is arranged in the circular ring body, a detection mechanism for detecting the oil painting pigment is arranged in the annular flow channel, and a fixed-point rejection component for fixed-point rejecting the oil painting pigment is arranged on the detection mechanism. In the application, the second liquid pump can adsorb the unqualified oil painting pigment near the mounting ring through the adsorption port, the unqualified oil painting pigment can be adsorbed into the annular cavity of the mounting ring, and then enters the storage box through the bellows to be stored, the unqualified oil painting pigment in the oil painting pigment can be detected by using the device, the unqualified oil painting pigment in the oil painting pigment can be fixed-point adsorbed and rejected, and the oil painting pigment in the annular flow channel is all qualified products.

The utility model relates to the technical field of sampling detection, and discloses a sampling device for paint detection after paint production, which comprises a machine body, a fixed column is slidably connected in the machine body, a push rod I is fixedly connected in the fixed column, the output end of the push rod I is fixedly connected with a connecting column, and the outer wall of the connecting column is fixedly connected with a disc. And one end of the connecting column is fixedly connected with a movable disc, a movable column is slidably connected into the fixed column, and the outer wall of the fixed column is fixedly connected with a limiting column. According to the oil paint sampling device, the movable disc is output through the first push rod, so that the sliding column and the pipe opening of the sampling pipe are driven to move, the effect that the length of the sampling pipe can be changed according to needs is achieved, and the problem that a traditional sampling pipe is fixed in length, sampling pipes with different lengths need to be used for sampling and detecting oil paint, and the sampling pipe is single is solved; therefore, samples can be conveniently and effectively obtained, and the applicability of the sampling tube is improved.

The invention belongs to the technical field of oil paints, and discloses an anti-aging and anti-cracking water-based oil paint, which is prepared from the following components in parts by mass: 15 to 30 parts of pigment, 15 to 25 parts of modified linseed oil, 30 to 55 parts of acrylic resin emulsion, 0.5 to 1 part of PH regulator, 0.5 to 1.5 parts of thickening agent, 1 to 3 parts of nano filler, 0.2 to 0.6 part of anti-aging agent, 0.1 to 0.3 part of preservative and 10 to 20 parts of water. The modified linseed oil is formed by carrying out graft modification on linseed oil and an acrylate monomer; the acrylic resin emulsion is a specific monomer copolymer. Through the synergistic compatibility of the acrylate modified linseed oil and the acrylic resin emulsion, and in combination with the nano filler and the composite anti-aging agent system, the pigment film has good flexibility, uniform film-forming property and structural stability under a thick coating condition, meanwhile, the oxidation resistance and yellowing resistance are improved, and the generation of cracks is effectively inhibited. The oil paint has both aging resistance and cracking resistance.

The invention relates to the technical field of paint, in particular to salt mist corrosion resistant paint and a preparation method thereof.In conclusion, the salt mist corrosion resistant paint comprises the following components: a resin base material: water-based acrylic acid modified epoxy resin and water-based polyurethane; the composite filler is prepared by coating zinc phosphate and diatomite with nano silicon dioxide; functional aids: a polyether modified organic silicon defoaming agent and a polycarboxylic acid ammonium salt dispersing agent; a solvent system: deionized water and propylene glycol monomethyl ether; according to the invention, the problems of poor salt mist resistance, insufficient environmental protection property and the like of the existing paint are solved, through scientific component design and process optimization, the paint can still keep good adhesive force, impact resistance and compactness in a high salt mist environment, and the service life of a base material is greatly prolonged. Meanwhile, VOC emission is reduced by adopting a water-based system, functionality and environmental friendliness are both considered, and the water-based paint is suitable for severe environments such as ocean engineering and chemical equipment and has important practical value and popularization prospects.

The utility model discloses a device for improving color ring quality and production efficiency of a steel pipe, which relates to the technical field of steel pipe production and comprises a nozzle and a drying mechanism. The first air inlet is used for being communicated with an air source so that negative pressure can be generated in the nozzle when air is sprayed out of the spraying opening, the paint inlet hole is used for being communicated with a paint bucket so that paint in the paint bucket can be sucked after negative pressure is formed in the nozzle, and the second air inlet is used for being communicated with the air source so that the paint entering the nozzle can be atomized. The drying mechanism is arranged on the output side of the nozzle, a color ring station is formed between the nozzle and the drying device, the drying mechanism is used for drying the color ring of the steel pipe on the color ring station, and the device is simple in structure, stable, reliable, low in cost and high in efficiency.

The utility model relates to the technical field of canvas clamping, in particular to a canvas tension-adjustable fixing and clamping device which comprises a picture frame, a canvas body is wrapped outside the picture frame, an adjusting block is arranged at the rear end of the picture frame, two clamping assemblies are arranged on the adjusting block, a sliding rail is fixedly arranged on the outer wall of the adjusting block, and the two clamping assemblies are arranged on the sliding rail. Two hanging assemblies are connected to the sliding rail in a sliding mode. The clamping assembly comprises first clamping blocks and second clamping blocks, the outer walls of the two first clamping blocks abut against the inner side wall of the painting frame, the outer wall of one second clamping block abuts against the outer wall of the canvas body, and a tension adjusting assembly is fixedly arranged on the other second clamping block. The tension uniformity of the canvas body is improved, the tension is conveniently adjusted in real time, the canvas body tension adjusting device adapts to canvas bodies of different materials and thicknesses, the circular shafts transmit the tension through friction force, non-linear conflicts between spring elasticity and canvas deformation are avoided, stress concentration is reduced, and the problems of edge stress concentration and center relaxation are solved.

The utility model discloses an oil painting stick fusion machine. Comprising a shell, a heat conduction mold, an electric heater, a temperature controller and a cap, a mounting opening is formed in the top of the shell, the heat conduction mold is vertically arranged and inserted into the mounting opening, the electric heater is arranged in the shell and is in heat conduction connection with the heat conduction mold, a feeding opening is formed in the top of the heat conduction mold, and the temperature controller is arranged in the feeding opening. The electric heater is further electrically connected with the temperature controller, a stirring rod is arranged on the cover cap, the cover cap is detachably arranged on the top of the shell, and the stirring rod is inserted into the heat conduction mold. The nib of the oil painting stick is put into the oil painting stick fusion machine to be heated and melted to form a new oil painting stick, so that the waste oil painting stick nib is fully utilized, the utilization rate is increased, and waste is reduced.

The utility model relates to the technical field of drawing toys, and provides an abstract oil painting creative chart device which aims at solving the problem that an existing creative device special for abstract oil painting drawing experience is scarce and comprises a picture frame, a drawing board, a canvas and a plurality of geometric color blocks with various shapes and various color combinations. The surface of the drawing board in sliding connection with the picture frame is used for placing canvas and geometric color blocks; each geometric color block comprises a shell and a printing block, the bottom of each shell is detachably connected with the top of the corresponding printing block, and an ink outlet assembly is contained in an inner cavity of each shell. The canvas can be placed on the surface of the drawing board by pulling the drawing board; then a creator can splice an abstract oil painting work on the drawing board by using a plurality of geometric color blocks; the printing ink is conveyed to the printing blocks through the ink outlet assemblies in the geometric color blocks, then the spliced abstract oil painting works are printed on the canvas through the printing blocks to form the painting, operation is easy and flexible, abstract oil painting artistic creation and analysis and design composition can be visually experienced, and interestingness is high.

The utility model discloses a sampling detection tube and a sampler for paint contrast detection, and belongs to the field of sampling tubes. The sampling detection tube comprises a sampling tube, and further comprises a piston plate which slides in the sampling tube in a sealing manner; the sealing sliding rod is fixed on the piston plate; the inner tube body slides in the sampling tube; the outer pipe body is fixed on the inner pipe body; the first gap is arranged between the inner tube body and the outer tube body, and the first gap is matched with a sampling tube; the oil paint sampling device effectively prevents oil paint from polluting the sampling pipe and the piston plate, and the inner pipe body and the outer pipe body which are taken down are convenient to clean.

The application relates to the technical field of optical detection, in particular to an oil painting detection lamp box for art restoration and a control method thereof. The oil painting detection lamp box comprises a bottom plate, a supporting frame, a fixed clamping plate, a sliding clamping plate and an illumination assembly. The fixed clamping plate comprises a fixed plate, a limiting block, a limiting elastic piece, a control rod and a first elastic piece. The fixed plate is slidably arranged on the supporting frame. The limiting block is slidably arranged on the supporting frame. The limiting elastic piece is arranged between the fixed plate and the supporting frame. The control rod is fixed on one side of the limiting block. The first elastic piece is arranged between the fixed plate and the supporting frame. The sliding clamping plate comprises a sliding block, a locker, a pressing plate and a second elastic piece. The sliding block is slidably arranged on the supporting frame. The locker is arranged on the sliding block and used for locking the position of the sliding block. The pressing plate is slidably arranged on the sliding block. The second elastic piece is arranged between the pressing plate and the sliding block. The illumination assembly is arranged below the bottom plate. Various oil paintings with different sizes can be conveniently clamped and detected by using light.

The utility model discloses a painting box convenient to store oil paintings, which belongs to the technical field of oil painting accessories and comprises a painting box, a plurality of oil painting bins, a plurality of temporary pen inserting grooves, an antioxidant bin and a paintbrush storage bin are arranged on the upper surface of the painting box, detachable paint boxes are arranged in the oil painting bins, and the detachable paint boxes are arranged in the temporary pen inserting grooves. The size of the oil paint bin is matched with the size of the detachable paint box. A soft sealing cover is arranged on the painting box, a plurality of concave holes are formed in the soft sealing cover, and the soft sealing cover seals the painting box through the concave holes. A painting tool storage drawer is arranged at the bottom of the painting box and connected with the painting box sliding rail. By means of the structure, the problems that an existing device is not convenient to carry, color mixing of pigments is prone to being caused, and the pigments become dry and are wasted are solved, the pigments of different colors are separated and kept moist for a long time, meanwhile, paintbrushes are stored, the paintbrushes are prevented from being polluted, and carrying is convenient.

The utility model relates to filter technical field discloses an air filter of filterable oil paint, including: outer frame, activated carbon composite filter material, fixed in the inside of outer frame, the both sides of activated carbon composite filter material are paved with non -woven cloth layer, annular permanent -magnet, fixed on the outside wall of outer frame, fixed structure, set up in the both sides of outer frame, sealing structure, set up in the inside of mounting frame: in the utility model, through the insertion of the sliding block into the sliding slot, the installation position of the outer frame is positioned, and then the buckle is clamped into the inside of the fixed groove under the elastic force of the compression spring, and the outer frame is installed and fixed, thereby realizing the installation positioning function of the device, and the preliminary positioning can be completed only by simple insertion without complex tools and cumbersome steps, and then automatic firm fixing is realized, the installation process is simplified, the subsequent maintenance difficulty is reduced, and the installation deviation can be avoided to influence the filtering effect.

The invention discloses an oil painting paper production parameter control method, system and device, a medium and a product, and relates to the technical field of automatic control, and the oil painting paper production parameter control method comprises the following steps: in the oil painting paper production process, obtaining measured values of a plurality of sensing parameters in real time; the plurality of sensing parameters comprise pulp concentration, paper moisture content and sizing amount; the production parameters corresponding to the sensing parameters with the actual measurement values not meeting the corresponding preset threshold values are determined as to-be-adjusted parameters; the production parameters comprise the rotating speed of a motor speed regulator, the power of a temperature controller and the opening degree of a flow regulating valve; and the PID control model corresponding to the to-be-adjusted parameter is adopted to determine the adjusting quantity of the to-be-adjusted parameter, so that the to-be-adjusted parameter is adjusted and controlled. According to the invention, real-time, accurate and automatic control of the production parameters of the oil painting paper is realized.