41 results about "Oil paint" patented technology

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 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 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 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 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.

The utility model discloses an oily paint spraying device which comprises a bottom plate, a rotating shaft is arranged at the upper end of the bottom plate, a gear is fixedly connected to the upper end of the rotating shaft, an electric telescopic rod is arranged at the upper end of the bottom plate, a rack is fixedly connected to the output end of the electric telescopic rod, and the rack is meshed with the gear. A support is fixedly connected to the upper end of the gear, a motor is arranged at the upper end of the support, the output end of the motor penetrates through the support and is fixedly connected with a threaded rod, one end of the threaded rod is rotationally connected with the gear, a limiting block is in threaded connection with the threaded rod, and a limiting groove is formed in one side of the support. A limiting groove is formed in the upper portion of the base, one end of the limiting block is inserted into the limiting groove, a spraying head is arranged on one side of the limiting block, the spraying head is matched with the material conveying assembly, the spraying head can be transversely adjusted through the device, meanwhile, the vertical height of the spraying head can be adjusted, and therefore the spraying range can be greatly widened, and meanwhile the spraying efficiency is improved.

The utility model discloses a waste paint-containing wastewater treatment system which comprises a wastewater collection tank, AB agent feeding equipment, a wastewater pump, an agent reaction tank, a solid-liquid separation system, a waste paint slag collection box and a clear water collection tank, waste water containing waste paint in the waste water collecting tank is pumped into the agent reaction tank through the waste water pump to carry out agent reaction, an agent A is put into the water inlet pipe of the waste water pump through the agent AB putting equipment while water pumping is carried out, the agent A flows into the agent reaction tank along with water flow, and the agent A is mixed with water under the flowing action of the water flow; the AB agent feeding equipment adds an agent B into the agent reaction tank, water and waste paint are separated through the agent reaction tank, the water and the waste paint are discharged into the clear water collection tank and the waste paint slag collection tank through the solid-liquid separation system respectively, and the situation that waste water containing paint is directly discharged to block a pipeline is avoided; water recycling is achieved, water resource waste is avoided, and waste paint is prevented from harming the ecological environment.

The invention discloses an epoxy floating-coat floor paint containing paint waste residues, which is composed of an epoxy resin component and a curing agent in a weight ratio of (3-5): 1. Wherein the epoxy resin component is composed of the following components: 35%-40% of bisphenol A epoxy resin, 15%-25% of a paint waste residue reclaimed material, 0.5%-1.5% of organic bentonite, 5.0%-8.0% of a reactive diluent, 15%-20% of quartz powder, 0.2%-1.0% of a wetting dispersant, 10%-20% of barite powder and 1.0%-2.0% of a defoaming agent. The epoxy floating floor paint containing the paint waste residues can be used as epoxy intermediate floor paint for large-scale plants and underground garages, and is high in drying speed, high in toughness and rigidity and low in production cost. According to the method, recycling of the paint waste residues is achieved, environmental pollution is reduced, and resource circulation is achieved.

The invention relates to the technical field of oil painting drawing, in particular to an oil painting drawing spray gun device which comprises a spray gun body, a color changing mechanism is arranged on the rear side of the top of the spray gun body, and a spray head replacing mechanism is arranged on the front side of the spray gun body. The functions of automatic pigment replacement and synchronous nozzle switching are achieved, a multi-stage transmission system is driven by a motor, a linkage mechanism is formed by pigment tank rotation positioning and nozzle selection, the limitation that pigment and nozzles of a traditional spray gun need to be manually replaced is broken through through the design, in the pigment replacement process, the system automatically completes positioning adjustment of the corresponding nozzles, and the efficiency is improved. Precise butt joint of a pigment channel and a nozzle is ensured, a cleaning water storage tank and a washing process are specially arranged, the problem of cross contamination of pigments is effectively solved, full-process automation of drawing, cleaning and color changing and experimental data display can be achieved through program control, and the device shortens the pigment changing time.

The utility model discloses an oil painting stick raw material mixing mechanism, aims at providing an oil painting stick raw material mixing mechanism that improves mixing efficiency and then improves productivity. It includes mixing box, feed assembly, the upper end of feed assembly is connected with mixing box, and feed assembly swing joint is limited amount structure, prevents the pole, prevents the pole swing joint with feed assembly, mixes the fan blade, mixes the fan blade and mixing box rotation connection, the discharge assembly, the lower end of discharge assembly is connected with mixing box, and discharge assembly is connected with the guide plate, premix structure, premix structure is connected with drive assembly, and premix structure moves the connection through drive assembly and mixing box. The utility model has the beneficial effects that: improve mixing fullness and efficiency, can quantitative feeding, facilitate quick feeding and unloading structure, operation has the convenience and then improves productivity, improves the connection and operating stability between structures, improves structure installation, promotes the automation degree of operation, improves the flexibility of structure operation.

1. The name of the design product: the cover of the spray paint pot (1) for the oil paint. 2. The use of the design product: the cover of the spray paint pot for the spray paint pot. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: front view.

1. Name of the product in this design: Skis (Painted). 2. Purpose of this design: for use on skis. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model discloses a rolling device for canvas processing, which comprises a rolling table, a mounting groove is arranged on one side of the outer surface of the rolling table, a cart for unloading is inserted in the mounting groove, a drum-type placing table is fixedly mounted on the upper end face of the cart for unloading, a canvas rolling roller is placed on the upper end face of the drum-type placing table, and the cloth rolling roller is arranged on the lower end face of the drum-type placing table. The outer sides of the front end face and the rear end face of the cloth collecting roller are each provided with an annular groove, and a first arc-shaped head gear ring is fixedly arranged in each annular groove. A concave support is arranged above the cloth collecting roller, and the two sides of the inner wall of the upper end of the concave support are each provided with a sliding block in a sliding mode. According to the canvas rolling device, canvas is directly rolled on the outer surface of the canvas rolling roller placed on the drum-type placing table, so that the canvas rolling roller does not need to be installed in the air for rolling operation, the convenience of equipment is improved, and meanwhile, the canvas rolling device can prevent the canvas from being damaged in the process of disassembling the canvas rolling roller. And the situation that the cloth collecting roller falls down and hits an operator is avoided, so that the safety of the equipment is improved.

1. The name of the design product: spray gun (wireless VR2.0). 2. The use of the design product: it is used for spraying liquid such as paint, oil paint, water-based paint, coating, etc. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The utility model discloses floor forming equipment, and relates to the technical field of floor processing equipment. The paint spraying device comprises a workbench, one side of the top of the workbench is fixedly connected with a paint spraying assembly, one side of the paint spraying assembly is provided with a cleaning assembly, the other side of the top of the workbench is fixedly connected with a drying mechanism, and the paint spraying assembly comprises a shell. The first motor drives the threaded rod to rotate, the threaded sleeve moves along the threaded rod, then the spray head is driven to reciprocate above the floor, uniform paint spraying is achieved, compared with traditional manual or simple mechanical paint spraying, the paint spraying range and thickness can be controlled, the paint spraying uniformity and quality are greatly improved, and the paint spraying efficiency is improved. The paint box is designed in a detachable mode, the spray head can be matched with various types of paint, and a good spraying effect can be achieved on water paint, oil paint and special functional paint.

The utility model relates to the technical field of storage devices, in particular to a storage tank for oil paint production, which comprises a tank body, a cover plate and a partition plate, discharge pipes are welded on two sides of the outer wall of the lower end of the tank body, the cover plate is arranged on the outer wall of the upper end of the tank body, a driving rod is movably mounted in the cover plate, and the partition plate is arranged on the lower end of the tank body. An extension plate is in threaded connection with the outer wall of the lower end of the driving rod, a supporting frame is in threaded connection with the outer wall of the upper end of the cover plate, a screw rod is rotatably mounted in the supporting frame, a partition plate is welded to one side of the inner wall of the tank body, a storage groove is formed in the partition plate, and an assembly groove is formed in the upper end of the inner wall of the storage groove; and a scraper is placed in the assembly groove, so that different varieties or batches of oil paint raw materials can be stored at the same time, and the space utilization rate and adaptability of the tank body are improved.

The invention discloses a sparse heterogeneous hybrid network-based impressive oil painting classification method, which comprises the following steps: step 1, constructing a sparse heterogeneous hybrid network which comprises a branch expert model and a dynamic sparse gating mechanism, the expert model is used for actual feature extraction and classification mapping work, and the dynamic sparse gating mechanism is used for dynamic sparse gating; the dynamic sparse gating mechanism is responsible for selecting a proper expert model according to different inputs, and single-branch reasoning or multi-branch weighted fusion can be selected, so that sparse gating of the expert model is realized; step 2, constructing an impressive oil painting data set; 3, training the sparse heterogeneous hybrid network constructed in the step 1 by using the data set constructed in the step 2; and step 4, inputting the to-be-classified impressive oil paintings into the sparse heterogeneous hybrid network trained in the step 3, and completing classification of the oil paintings. According to the method, the problems of insufficient precision and high calculation complexity caused by highly similar styles in the fine-grained classification of the impressive oil paintings in the existing deep learning method are solved.