26results about How to "Simplify production steps" patented technology

The invention relates to a fiber-reinforced aerogel composite material containing a carbon and titanium dioxide biphase hybrid opacifying agent as well as a preparation method and application of the fiber-reinforced aerogel composite material. The fiber reinforced aerogel composite material containing the carbon and titanium dioxide dual-phase hybrid opacifying agent comprises an inorganic aerogel matrix, wherein a reinforced fiber skeleton and the carbon / titanium dioxide dual-phase hybrid opacifying agent are dispersed in the inorganic aerogel matrix; the carbon / titanium dioxide biphase hybrid opacifying agent comprises a titanium dioxide shell layer and carbon / titanium dioxide core-shell structure particles, wherein the surface of a reinforced fiber skeleton is coated with the titanium dioxide shell layer in situ; gaps of the reinforced fiber skeleton are filled with the carbon / titanium dioxide core-shell structure particles. The problem to be solved is to construct a two-phase hybrid shading system in which carbon / titanium dioxide core-shell particles and a titanium dioxide coating layer on the fiber surface are combined through one-step in-situ synthesis, so that the heat insulation capacity of the composite material in a high-temperature environment is synergistically improved.

This utility model discloses an integrated button structure for a laptop touchpad, comprising: a glass panel, a PCB circuit board, adhesive backing, and a base plate. The base plate includes a support frame and a tray. The support frame includes a front frame and a rear frame. The rear frame is a hollow rectangular frame with one side open, and the front frame is a hollow trapezoidal frame with the bottom side open. The front and rear frames are connected together, with a tongue-shaped tray position formed in the middle. The tray is cut from the tray position with a contour similar to the contour of the tray position. The bottom edge of the rear frame is connected to the bottom of the tray by multiple connecting posts, all of which are inclined upwards. Two limiting support mechanisms are symmetrically arranged between the tray and the support frame on both sides. The rear frame has multiple locking holes on three sides, and the top of the front frame has multiple semi-locking holes symmetrically arranged about the center line. Through the above methods, this utility model can further meet the requirements of lightweighting while reducing the overall production cost.

The utility model relates to a kind of forming die of oxygen cylinder shell, including respectively front and rear arrangement and mutually cooperate's mobile module and positioning module, fixed in the feed plate of mobile module front side, fixed in the bottom plate of positioning module rear side, and fixed in the forming module of positioning module front side;Two upper and lower symmetrical distribution's pinhole forming units are further equipped between mobile module and positioning module, pinhole forming unit includes movablely connected in the front side of positioning module to have left and right translation function and located the driving slider of forming module left side, multiple transverse fixed on the core rod of driving slider towards the outer wall on one side of forming module, fixed on the outer wall on the left side of positioning module oil cylinder, and embedded in the rear side inside of mobile module and with each core rod mutually cooperate's ear block;The utility model has simplified production step to improve production efficiency;In addition, the machining precision of pinhole is also ensured.

The utility model discloses a high-strength glass fiber pipe with a paint-free and highlight surface, which is characterized in that the pipe wall of the glass fiber pipe comprises an inner PET (polyethylene terephthalate) cloth layer, a middle structure layer and an outer PET cloth layer from inside to outside, the middle structure layer comprises a resin layer formed through a compression molding process and glass fiber filaments distributed in the resin layer or a plurality of glass fiber rods penetrating through the resin layer and extending in the axial direction, and pores of the outer PET cloth layer are filled with resin permeating outwards in the compression molding process; pores of the inner PET cloth layer are filled with resin which permeates inwards in the mold pressing process. During forming, part of resin of the resin layer penetrates through and fills pores of the outer PET cloth layer and the inner PET cloth layer, so that the surface smoothness is improved; by means of the colors of the outer PET cloth layer and the inner PET cloth layer, surface processing is not needed, the bottom exposure phenomenon is avoided, the production steps are simplified, the production efficiency is improved, and the production cost is reduced; and the resin penetrates through the outer PET cloth layer and the inner PET cloth layer to form an interlocking structure, so that the interlayer peeling strength is improved, and layering is prevented.

The invention relates to the field of cup body thickness testing, in particular to a cup body thickness compression molding process detection device and a detection method.The cup body thickness compression molding process detection device comprises sliding columns, compression columns and a cup which are arranged on a base plate, the sliding columns are arranged on the periphery of the base plate, a compression plate slides on the sliding columns jointly, and a plurality of compression shafts are arranged at the lower end of the compression plate; a pressing ring is arranged at the lower end of the pressing shaft, a pushing assembly is arranged on the base plate, an annular groove is formed in the lower end of the pressing ring, a rotating ring is rotationally arranged in the annular groove, a wiping assembly used for wiping a cup is arranged on the inner diameter of the rotating ring, and a detection unit is further arranged on the inner wall of the rotating ring; the wiping assembly automatically wipes the outer side of the cup body before detection, particle impurities are removed, the phenomenon that the impurities interfere with the detection process is avoided, and the detection unit adopts a contact detection design and is not affected by factors such as ambient light, temperature and dust.

The utility model discloses a screening device for concrete production, which comprises a sand-stone separator, a sand-stone separator, a sand-stone separator, a sand-stone separator, a sand-stone separator, a sand-stone separator, a sand-stone separator, a sand-stone separator, a sand-stone separator and a sand-stone separator, the supporting frame is arranged on the ground and located below the gravel discharging opening; the cleaning box is arranged on the supporting frame, the upper end of the cleaning box is provided with a feeding hopper communicated with the gravel discharging port, the side wall of the lower end of the cleaning box is provided with a discharging hopper, and the lower end face of the cleaning box is provided with multiple rows of water outlets; the stirring paddle is vertically and rotatably connected into the cleaning box; the switching mechanism is arranged at the lower end of the cleaning box and used for controlling opening and closing of the water outlet; and the spraying mechanism is arranged at the upper end in the cleaning box. By arranging the screening equipment integrating screening and cleaning, after gravel is discharged, floating ash on the surface of the gravel can be cleaned, the cleanliness of the gravel is guaranteed, meanwhile, clean storage of the gravel is achieved, feeding and cleaning do not need to be conducted in the later period, the production steps are simplified, and the production efficiency is improved.

The invention relates to a fixing device for an electrical apparatus, such as an electric motor drive, an electrolyser or a frequency converter. The fixture is provided for holding capacitors and PCBAs of different sizes, and / or holding capacitors and PCBAs at different positions relative to the electrical device. The fixing device comprises at least one protruding portion for holding the capacitor, said protruding portion having a support and preferably a wall. The fixture further comprises a receiving portion for receiving a nut of the spacer portion, the receiving portion having a connection feature wherein the spacer portion is provided for connecting the first PCBA, such as a PCBA comprising a large capacitor, to a power PCBA, and wherein the protruding portion and the receiving portion are provided on the main portion of the fixture. The invention also relates to an electrical application device, such as an electric motor drive, an electrolyser or a frequency converter, having a fixture for holding a capacitor and a PCBA.

This invention provides a chip flip-chip packaging method. A first solder is applied to the solder windows of a chip formed on a wafer, fixing the first end of a solder post to the solder window. A curing agent is filled between the solder posts. The solder posts are then ground so that their second ends are on the same plane, and a solderable layer is formed on the end face of the solder posts before the curing agent is removed. The second end of the solder post is fixed to a frame or substrate coated with a second solder, forming a potting gap between the second end of the solder post and the chip. Epoxy resin is then filled into the potting gap and encapsulates the chip. The melting point of the first solder is higher than that of the second solder. This invention uses solder posts on the chip solder window to create a potting gap between the chip and the frame or substrate. During a single epoxy resin filling, the epoxy resin flows directly into the potting gap and encapsulates the chip. Compared to processes requiring bottom filling with adhesive, this reduces the number of filling operations, lowers internal stress caused by varying degrees of curing of the adhesive with different filling operations, thereby simplifying production steps and improving production efficiency.

The invention relates to the field of magnesium alloy surface treatment, in particular to an integrated electrophoretic coating method suitable for a magnesium alloy-special material connecting piece. The method comprises the steps of (1) magnesium matrix coating pretreatment (phosphating / micro-arc oxidation / phosphating-micro-arc oxidation composite treatment), (2) primary electrophoretic coating, (3) magnesium alloy coating sample and special material assembly (screwing / riveting) and surface conditioning treatment, and (4) secondary electrophoretic coating. Firstly, a magnesium base body is subjected to primary electrophoretic coating treatment, after the magnesium base body to be coated is assembled with a special material, the surface activity of the contact boundary of the special material is optimized through surface conditioning treatment, the paint film deposition quality of secondary electrophoresis around the assembly of the special material is improved, the paint film binding force rating of an electrophoretic composite coating obtained on the surface of the whole connecting piece through a cross-cut method is 0 level, and the overall connecting piece has the good mechanical property. The neutral salt mist resistance is more than 150 hours.

The invention discloses a scratch-resistant automotive rubber-coated PC / ABS soft skin composite material and a preparation method thereof. The scratch-resistant automotive rubber-coated PC / ABS soft skin composite material comprises the following raw materials in parts by weight: 10-30 parts of hydrogenated styrene elastomer; 10 to 30 parts of a semi-hydrogenated styrene elastomer; 20 to 50 parts of a polyurethane elastomer; 20-50 parts of a plasticizer; 2 to 20 parts of a maleic anhydride graft; 1-5 parts of a scratch resistant agent; and 0.5-5 parts of an anti-oxidation and anti-ultraviolet auxiliary agent. The scratch-resistant rubber-coated PC / ABS soft skin composite material for the vehicle is prepared by a twin-screw composite modification process, has excellent scratch resistance, small cross scratch color difference and unobvious fingernail scratch marks, and is superior to common elastomer materials in the market; according to the scratch-resistant rubber-coated PC / ABS soft skin composite material for the vehicle, the production process is double-color injection molding integral forming, compared with a traditional coating process, the production steps are greatly simplified, and the forming period is shortened to 40-80 s from original 5-20 min.

The application provides a method for preparing sulfuric acid from pyrite concentrate powder and belongs to the technical field of resource utilization. The method comprises the following steps: (1) crushing and screening pyrite concentrate powder raw materials to obtain fine pyrite concentrate powder; (2) introducing air into a fluidized roasting furnace, suspending and roasting the fine pyrite concentrate powder in the furnace, cooling the outlet furnace gas by heat absorption, further water-moistening the residue after roasting of the fluidized roasting furnace and slag dust generated in the production process after water cooling, and then transporting the residue and the slag dust to obtain roasted sand; (3) performing dust removal, mist removal, further cooling and drying treatment on the outlet furnace gas in the step (2) to obtain SO2-containing furnace gas, spraying sulfuric acid on the SO2-containing furnace gas after air supplement, cooling, and then storing liquid into a finished product storage tank and performing drying treatment on gas; and (4) performing catalytic oxidation and heat exchange treatment on the dried gas, absorbing SO3 in the furnace gas by using concentrated sulfuric acid, performing hydrogen peroxide treatment on tail gas, and then performing mist removal and standard discharge. The method has the advantages of simple production process, environmental protection in the production process and improved resource utilization rate.

This invention discloses a high-alloy high-performance rotary guide component and its manufacturing method, belonging to the field of stainless steel technology. It solves the problems of poor microstructure uniformity and inability to simultaneously achieve mechanical properties and stress corrosion resistance in existing rotary guide components. The manufacturing method includes: smelting molten steel; preparing ingots; forging the ingots into steel billets using a high-speed forging machine after they are tapped from the furnace; heating and holding the steel billets; forging the steel billets into intermediate billets using a radial forging machine; water cooling the intermediate billets; forging the water-cooled intermediate billets a second time using a radial forging machine, followed by air cooling to obtain finished steel billets; straightening, machining, and shot peening of the finished steel billets to obtain rotary guide components; the composition of the rotary guide components, by mass percentage, includes: 18.00% ≤ Cr < 28.00%, 3.00% ≤ Mo ≤ 6.00%, 14.00% ≤ Ni ≤ 20.00%, 3.00% ≤ Mn ≤ 8.00%, Si ≤ 0.4%, Nb ≤ 0.25%, P ≤ 0.025%, S ≤ 0.02%, C ≤ 0.03%, N ≥ 0.3%, with the balance being Fe and other unavoidable impurities. The rotary guide components of this invention have fine and uniform grains and excellent mechanical and corrosion resistance.

The utility model relates to cutter production equipment, in particular to a combined blanking die. The utility model aims to provide a combined blanking die which has the characteristics of good universality and high production efficiency. According to the technical scheme, the combined blanking die comprises an upper die base and a lower die base. The die is characterized in that the upper die holder and the lower die holder are provided with a combined die; the combined die is fixed to the upper die base and the lower die base through a pressing structure. The combined die comprises a round hole die, a first notch die, a cutting die and a second notch die which are sequentially arranged in the moving direction of the strip.

The application relates to an injection mold of a car charging port cover assembly, which comprises a movable mold module and a fixed mold module which are matched and arranged in front and back respectively, a flow divider fixed on the front side of the movable mold module, a feeding plate fixed on the front side of the flow divider, a base plate arranged on the rear side of the fixed mold module, and an ejection mechanism arranged between the base plate and the fixed mold module; a rubber ring forming unit and a main body forming unit are arranged between the movable mold module and the fixed mold module and are distributed in an upper and lower mode, the rubber ring forming unit comprises a first positioning block and a second positioning block which are fixed on the front and rear sides of the movable mold module and are matched, a third positioning block embedded in the second positioning block, and a fourth positioning block embedded on the front side of the fixed mold module; the main body forming unit comprises a movable mold core and a fixed mold core which are embedded on the rear side of the movable mold module and the front side of the fixed mold module and are matched, and an inner forming module arranged between the fixed mold core and the fixed mold module; the application simplifies the production steps, improves the work efficiency, reduces the labor cost, and saves the mold manufacturing cost.

The invention relates to the field of display, and discloses a crystal film screen based on a composite transparent electrode and a preparation method thereof, the crystal film screen comprises a transparent substrate, a composite transparent electrode layer and a lamp bead array; the composite transparent electrode layer is attached to the surface of the transparent substrate, and the lamp bead array is bonded to the side, away from the transparent substrate, of the composite transparent electrode layer. The transparent conductive oxide layer is filled in the crack gap through a magnetron sputtering process and compactly covers the surface, so that a continuous conductive path is formed, excellent balance between high light transmittance and low resistivity is realized, the non-periodic structure characteristic of disordered arrangement of a metal cracking network is utilized, and the light transmittance is improved. The moire phenomenon generated by regular wiring and a pixel array in a traditional photoetching process is effectively avoided from the physical principle, and the definition and the visual effect of a display picture are remarkably improved. In addition, the oxide layer on the surface can effectively block water and oxygen and protect an internal metal network from oxidation corrosion, so that the chemical stability of the electrode is improved.

The invention discloses an integrated touch control cover plate and a preparation method thereof, the touch control cover plate comprises a surface layer, a middle structure and an inner layer which are arranged in sequence, the surface layer and the inner layer respectively comprise resin and a reinforcing material arranged in the resin, the middle structure comprises a touch control sensing film and an ink layer, and the ink layer is located between the surface layer and the touch control sensing film. According to the integrated touch control cover plate, the prepreg of the surface layer and the prepreg of the inner layer and the middle structure are subjected to hot-pressing compounding and integrated forming, so that the integrated touch control cover plate is light and thin, touch control function integration and high mechanical performance are achieved, the product consistency and reliability are high, the function expansibility is high, and the integrated touch control cover plate can be applied to various electronic devices.

The present application relates to the technical field of rice homogenization particle size preparation, and particularly relates to a rice homogenization particle size preparation process and equipment, which pours vegetable juice into a steaming mechanism, discharges raw material powder into the steaming mechanism multiple times, and makes the vegetable juice soak the raw material as soon as possible by pressurizing the inside of the steaming mechanism, then steams the raw material by the steaming mechanism, mixes the raw material repeatedly by a mixing mechanism after the raw material is cooked, and discharges the raw material into an extrusion mechanism to homogenize and granulate, so as to improve the practicability of the equipment; the equipment comprises an extrusion mechanism; further comprises a steaming mechanism, a feeding mechanism and a mixing mechanism, the extrusion mechanism is installed on the right side of the steaming mechanism, the feeding mechanism is installed on the steaming mechanism, and the mixing mechanism is installed in the steaming mechanism; the feeding mechanism feeds the steaming mechanism, the steaming mechanism steams the raw material, the mixing mechanism mixes the cooked raw material, and the extrusion mechanism homogenizes and granulates the raw material.

The application belongs to the technical field of bio-chemical industry, and particularly relates to a P450 fusion protein, and a structure of the fusion protein is VdhM3-Linker1-AciC-Linker2-AciB, wherein VdhM3 is Vdh-M3 (I114R / N173M / Q310R); the GenBank accession numbers of the encoding genes of AciC and AciB are both AB221118.1; the amino acid sequence of Linker2 is GSGSGH; and Linker1 is a flexible linker, a rigid linker or a flexible-rigid combined linker. Through systematic screening, it is determined that the AciC / AciB oxidation-reduction partner system derived from Acinetobacter has the best adaptability with the VdhM3 P450 enzyme, the catalytic activity is high, and the selectivity of the target product calcifediol is as high as 95%, the generation of by-products is reduced, and the purification efficiency and yield of the product are improved.

The application discloses a forming die and forming method of a composite material component with a gradually-changing cross-section feature, and belongs to the technical field of composite material component manufacturing. The forming die mainly comprises an upper die, a bottom die, a core block and a middle frame edge strip, wherein the core block comprises a central core block and a plurality of occupying core blocks, and the middle frame edge strip comprises four independent edge strips. When the pre-impregnated material is laid in the forming die, the occupying core blocks are used for occupying, the middle frame edge strip is used for fastening, and pre-compaction operation is performed in combination with a pre-compaction tool and an occupying tool, so that the composite material component with the gradually-changing cross-section feature can be formed. The application can reduce the product extrusion caused by the cooling shrinkage of the mold steel material caused by the thermal expansion factor, the resin enrichment caused by the mold extrusion fluctuation of the thin-thick feature structure area, improve the heat transfer efficiency, control the resin viscosity, and effectively improve the product forming quality.

The utility model relates to a lock for door, including lock seat and lock head, lock seat includes the seat body that sets up to U type, the front end two ear plate section of seat body is provided with the vertical front limiting rod between, the rear end two ear plate section of seat body is provided with the vertical rear limiting rod between, the middle part rotation sleeve joint of rear limiting rod is provided with limiting hook, rear limiting rod still sleeve joint has torsional spring, lock head is located the ear plate section between seat body setting, the front end of lock head is provided with the hook body connected with front limiting rod, the rear end of lock head is provided with the hook groove for clamping limiting hook, because the cooperation setting of front limiting rod and hook body at the front end of lock seat and the cooperation setting of limiting hook and hook groove at the rear end of lock seat, will lock seat fixed mounting on the door frame of vehicle, lock head fixed mounting on the back door, when the door is closed, lock head buckles into lock seat, can complete the locking of the back door of car and the door frame of vehicle, the device is applicable to the industrial production, has very strong practicality.

The invention discloses a triphenylamine gallium porphyrin complex and application of the triphenylamine gallium porphyrin complex as a hole transport layer material. The structure of the complex is shown in the following formula, wherein R represents methoxy, methylthio or hydrogen. The complex has an energy level better matched with a perovskite layer and better intrinsic hole transport characteristics, and under the condition that no chemical doping is needed, a formal (n-i-p) perovskite solar cell prepared from the complex obtains 16.25% of photoelectric conversion efficiency and is comparable with an early-stage doped Spiro-OMeTAD system. The lithium salt and the organic dopant which are easy to absorb moisture and migrate are completely abandoned, so that the problem of device degradation caused by the lithium salt and the organic dopant is radically eliminated, and the long-term stability of the device under hot, wet and running conditions is synchronously and greatly improved; the preparation process is greatly simplified, the process window is obviously widened, the production repeatability and the yield are improved, and by omitting expensive dopants and simplifying production steps and quality control links, the material and process cost is directly reduced, and the industrial application potential is improved.

This invention discloses a double-layer polyurethane-acrylic superhydrophobic coating and its preparation method, relating to the field of hydrophobic materials technology. The method includes: preparing a polyurethane-acrylic-2 mixed solution; screen-printing the polyurethane-acrylic-2 mixed solution onto a substrate, followed by xenon lamp curing to obtain a polyurethane-acrylic-2 bonding layer; modifying P25 nano-titanium dioxide particles to obtain modified P25 nano-titanium dioxide particles; preparing a polyurethane-acrylic-6 superhydrophobic coating reagent; and screen-printing the polyurethane-acrylic-6 superhydrophobic coating reagent onto the polyurethane-acrylic-2 bonding layer, followed by xenon lamp curing to obtain a double-layer polyurethane-acrylic superhydrophobic coating. The superhydrophobic coating prepared by this invention exhibits strong adhesion, durability, and corrosion resistance, making it suitable for large-scale production and application in the coatings industry.

The utility model relates to a forming die for an automobile oil filler pipe. The forming die comprises a feeding plate, a seat plate, a movable die block, a fixed die block, a forming device and an ejection mechanism, wherein the feeding plate and the seat plate are respectively arranged front and back; the movable die block and the fixed die block are respectively fixed on the rear side of the feeding plate and the front side of the seat plate and are matched with each other; the forming device comprises a two-stage forming unit and a single-stage forming unit which are respectively arranged up and down; the two-stage forming unit comprises a first-stage movable mold core embedded in the rear side of the movable mold block, a second-stage movable mold core fixed on the end surface of the first-stage movable mold core, and a first fixed mold core embedded in the front side of the fixed mold block and matched with the second-stage movable mold core; according to the utility model, the production steps are greatly simplified, so that the production efficiency is effectively improved; and meanwhile, the manufacturing cost of the mold is greatly reduced, so that the production cost is remarkably reduced.

The application discloses a preparation method of a dry-process electrode nanometer binder and application thereof and belongs to the technical field of battery materials. The branched nanometer composite with excellent dispersibility and adhesion is formed by blending a polymer binder and a nanometer conductive agent in a solution and through subsequent treatment, and the polymer is coated on the surface of the conductive agent; the dry-process electrode can be directly prepared by mixing the dry powder form with an active material, is more environmentally friendly; through the processes of electrostatic spraying and hot-pressing forming, the nanometer composite binder can form a firm physical / chemical combination between the active material, the conductive agent and the current collector, improve the mechanical strength of the electrode pole piece and the adhesion to the current collector, and reduce the falling; the uniform conductive network and the stable structure are favorable for reducing the internal resistance of the electrode, promoting the rapid transmission of ions and electrons, thereby improving the rate performance, the cycle stability and the energy density of the battery, and are favorable for precisely controlling the thickness, the porosity and the density of the electrode and improving the controllability of the microstructure of the electrode.

The invention relates to the technical field of high polymer materials, in particular to a gradient functional layered counter-reconnaissance material for military camouflage and a preparation method thereof.The gradient functional layered counter-reconnaissance material for military camouflage is composed of a base layer, an interface transition layer and a functional surface layer which are compounded from bottom to top, and the total thickness and the thickness ratio of all the layers are achieved; the base layer is of a fiber interwoven reinforced porous structure and contains ultra-high molecular weight polyethylene resin, silicon carbide nanoparticles and the like; the interface transition layer is a gradient composite bonding layer and contains epoxy resin-polyurethane blended resin, boron nitride micro powder and the like; and the functional surface layer is a multi-band synergistic response layer and contains fluorocarbon resin, nano indium tin oxide particles and the like. The problems that multi-band stealth of an existing material is difficult to consider, interlayer stripping is prone to occurring and the like are solved, multi-band collaborative stealth is achieved, interlayer combination is firm, environment adaptability is high, preparation is easy and convenient, and the military camouflage requirement can be met.

The invention discloses a medical glucan skin repair dressing, which comprises Ectoine, beta-glucan, sodium hyaluronate, trehalose, sodium carboxymethyl cellulose and the like, and is a sterile liquid dressing without glycerol and traditional chemical preservatives. The dressing has appropriate viscosity, excellent film-forming property and flexibility, can quickly form a transparent, breathable and flexible protective film after being applied to a wound surface, can be used for nursing skin barrier injury, low sensitization and healing promotion of superficial wound surfaces, energy equipment postoperative wound surfaces and the like, and is convenient to use.